src/tex2lyx/text.cpp

   1 /**
   2  * \file tex2lyx/text.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  * \author Jean-Marc Lasgouttes
   8  * \author Uwe Stöhr
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 // {[(
  14
  15 #include <config.h>
  16
  17 #include "tex2lyx.h"
  18
  19 #include "Context.h"
  20 #include "Encoding.h"
  21 #include "FloatList.h"
  22 #include "LaTeXPackages.h"
  23 #include "Layout.h"
  24 #include "Length.h"
  25 #include "Preamble.h"
  26
  27 #include "insets/ExternalTemplate.h"
  28
  29 #include "support/lassert.h"
  30 #include "support/convert.h"
  31 #include "support/FileName.h"
  32 #include "support/filetools.h"
  33 #include "support/lstrings.h"
  34 #include "support/lyxtime.h"
  35
  36 #include <algorithm>
  37 #include <iostream>
  38 #include <map>
  39 #include <sstream>
  40 #include <vector>
  41
  42 using namespace std;
  43 using namespace lyx::support;
  44
  45 namespace lyx {
  46
  47
  48 namespace {
  49
  50 void output_arguments(ostream &, Parser &, bool, bool, string, Context &,
  51                       Layout::LaTeXArgMap const &);
  52
  53 }
  54
  55
  56 void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
  57                 Context const & context, InsetLayout const * layout,
  58                 string const rdelim)
  59 {
  60         bool const forcePlainLayout =
  61                 layout ? layout->forcePlainLayout() : false;
  62         Context newcontext(true, context.textclass);
  63         if (forcePlainLayout)
  64                 newcontext.layout = &context.textclass.plainLayout();
  65         else
  66                 newcontext.font = context.font;
  67         if (layout)
  68                 output_arguments(os, p, outer, false, string(), newcontext,
  69                                  layout->latexargs());
  70         // If we have a latex param, we eat it here.
  71         if (!context.latexparam.empty()) {
  72                 ostringstream oss;
  73                 Context dummy(true, context.textclass);
  74                 parse_text(p, oss, FLAG_RDELIM, outer, dummy,
  75                            string(1, context.latexparam.back()));
  76         }
  77         parse_text(p, os, flags, outer, newcontext, rdelim);
  78         if (layout)
  79                 output_arguments(os, p, outer, false, "post", newcontext,
  80                                  layout->postcommandargs());
  81         newcontext.check_end_layout(os);
  82 }
  83
  84
  85 namespace {
  86
  87 void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
  88                 Context const & context, string const & name,
  89                 string const rdelim = string())
  90 {
  91         InsetLayout const * layout = 0;
  92         DocumentClass::InsetLayouts::const_iterator it =
  93                 context.textclass.insetLayouts().find(from_ascii(name));
  94         if (it != context.textclass.insetLayouts().end())
  95                 layout = &(it->second);
  96         parse_text_in_inset(p, os, flags, outer, context, layout, rdelim);
  97 }
  98
  99 /// parses a paragraph snippet, useful for example for \\emph{...}
 100 void parse_text_snippet(Parser & p, ostream & os, unsigned flags, bool outer,
 101                 Context & context)
 102 {
 103         Context newcontext(context);
 104         // Don't inherit the paragraph-level extra stuff
 105         newcontext.par_extra_stuff.clear();
 106         parse_text(p, os, flags, outer, newcontext);
 107         // Make sure that we don't create invalid .lyx files
 108         context.need_layout = newcontext.need_layout;
 109         context.need_end_layout = newcontext.need_end_layout;
 110 }
 111
 112
 113 /*!
 114  * Thin wrapper around parse_text_snippet() using a string.
 115  *
 116  * We completely ignore \c context.need_layout and \c context.need_end_layout,
 117  * because our return value is not used directly (otherwise the stream version
 118  * of parse_text_snippet() could be used). That means that the caller needs
 119  * to do layout management manually.
 120  * This is intended to parse text that does not create any layout changes.
 121  */
 122 string parse_text_snippet(Parser & p, unsigned flags, const bool outer,
 123                   Context & context)
 124 {
 125         Context newcontext(context);
 126         newcontext.need_layout = false;
 127         newcontext.need_end_layout = false;
 128         newcontext.new_layout_allowed = false;
 129         // Avoid warning by Context::~Context()
 130         newcontext.par_extra_stuff.clear();
 131         ostringstream os;
 132         parse_text_snippet(p, os, flags, outer, newcontext);
 133         return os.str();
 134 }
 135
 136 string fboxrule = "";
 137 string fboxsep = "";
 138 string shadow_size = "";
 139
 140 char const * const known_ref_commands[] = { "ref", "pageref", "vref",
 141  "vpageref", "prettyref", "nameref", "eqref", 0 };
 142
 143 char const * const known_coded_ref_commands[] = { "ref", "pageref", "vref",
 144  "vpageref", "formatted", "nameref", "eqref", 0 };
 145
 146 char const * const known_refstyle_commands[] = { "algref", "chapref", "corref",
 147  "eqref", "enuref", "figref", "fnref", "lemref", "parref", "partref", "propref",
 148  "secref", "subsecref", "tabref", "thmref", 0 };
 149
 150 char const * const known_refstyle_prefixes[] = { "alg", "chap", "cor",
 151  "eq", "enu", "fig", "fn", "lem", "par", "part", "prop",
 152  "sec", "subsec", "tab", "thm", 0 };
 153
 154
 155 /**
 156  * supported CJK encodings
 157  * JIS does not work with LyX's encoding conversion
 158  */
 159 const char * const supported_CJK_encodings[] = {
 160 "EUC-JP", "KS", "GB", "UTF8",
 161 "Bg5", /*"JIS",*/ "SJIS", 0};
 162
 163 /**
 164  * the same as supported_CJK_encodings with their corresponding LyX language name
 165  * FIXME: The mapping "UTF8" => "chinese-traditional" is only correct for files
 166  *        created by LyX.
 167  * NOTE: "Bg5", "JIS" and "SJIS" are not supported by LyX, on re-export the
 168  *       encodings "UTF8", "EUC-JP" and "EUC-JP" will be used.
 169  * please keep this in sync with supported_CJK_encodings line by line!
 170  */
 171 const char * const supported_CJK_languages[] = {
 172 "japanese-cjk", "korean", "chinese-simplified", "chinese-traditional",
 173 "chinese-traditional", /*"japanese-cjk",*/ "japanese-cjk", 0};
 174
 175 /*!
 176  * natbib commands.
 177  * The starred forms are also known except for "citefullauthor",
 178  * "citeyear" and "citeyearpar".
 179  */
 180 char const * const known_natbib_commands[] = { "cite", "citet", "citep",
 181 "citealt", "citealp", "citeauthor", "citeyear", "citeyearpar",
 182 "citefullauthor", "Citet", "Citep", "Citealt", "Citealp", "Citeauthor", 0 };
 183
 184 /*!
 185  * jurabib commands.
 186  * No starred form other than "cite*" known.
 187  */
 188 char const * const known_jurabib_commands[] = { "cite", "citet", "citep",
 189 "citealt", "citealp", "citeauthor", "citeyear", "citeyearpar",
 190 // jurabib commands not (yet) supported by LyX:
 191 // "fullcite",
 192 // "footcite", "footcitet", "footcitep", "footcitealt", "footcitealp",
 193 // "footciteauthor", "footciteyear", "footciteyearpar",
 194 "citefield", "citetitle", 0 };
 195
 196 /*!
 197  * biblatex commands.
 198  * Known starred forms: \cite*, \citeauthor*, \Citeauthor*, \parencite*, \citetitle*.
 199  */
 200 char const * const known_biblatex_commands[] = { "cite", "Cite", "textcite", "Textcite",
 201 "parencite", "Parencite", "citeauthor", "Citeauthor", "citeyear", "smartcite", "Smartcite",
 202  "footcite", "Footcite", "autocite", "Autocite", "citetitle", "fullcite", "footfullcite",
 203 "supercite", "cites", "Cites", "textcites", "Textcites", "parencites", "Parencites",
 204 "smartcites", "Smartcites", "autocites", "Autocites", 0 };
 205
 206 // Whether we need to insert a bibtex inset in a comment
 207 bool need_commentbib = false;
 208
 209 /// LaTeX names for quotes
 210 char const * const known_quotes[] = { "dq", "guillemotleft", "flqq", "og",
 211 "guillemotright", "frqq", "fg", "glq", "glqq", "textquoteleft", "grq", "grqq",
 212 "quotedblbase", "textquotedblleft", "quotesinglbase", "textquoteright", "flq",
 213 "guilsinglleft", "frq", "guilsinglright", "textquotedblright", "textquotesingle",
 214 "textquotedbl", 0};
 215
 216 /// the same as known_quotes with .lyx names
 217 char const * const known_coded_quotes[] = { "qrd", "ard", "ard", "ard",
 218 "ald", "ald", "ald", "gls", "gld", "els", "els", "eld",
 219 "gld", "eld", "gls", "ers", "ars",
 220 "ars", "als", "als", "erd", "qrs", "qrd", 0};
 221
 222 /// LaTeX names for font sizes
 223 char const * const known_sizes[] = { "tiny", "scriptsize", "footnotesize",
 224 "small", "normalsize", "large", "Large", "LARGE", "huge", "Huge", 0};
 225
 226 /// the same as known_sizes with .lyx names
 227 char const * const known_coded_sizes[] = { "tiny", "scriptsize", "footnotesize",
 228 "small", "normal", "large", "larger", "largest", "huge", "giant", 0};
 229
 230 /// LaTeX 2.09 names for font families
 231 char const * const known_old_font_families[] = { "rm", "sf", "tt", 0};
 232
 233 /// LaTeX names for font families
 234 char const * const known_font_families[] = { "rmfamily", "sffamily",
 235 "ttfamily", 0};
 236
 237 /// LaTeX names for font family changing commands
 238 char const * const known_text_font_families[] = { "textrm", "textsf",
 239 "texttt", 0};
 240
 241 /// The same as known_old_font_families, known_font_families and
 242 /// known_text_font_families with .lyx names
 243 char const * const known_coded_font_families[] = { "roman", "sans",
 244 "typewriter", 0};
 245
 246 /// LaTeX 2.09 names for font series
 247 char const * const known_old_font_series[] = { "bf", 0};
 248
 249 /// LaTeX names for font series
 250 char const * const known_font_series[] = { "bfseries", "mdseries", 0};
 251
 252 /// LaTeX names for font series changing commands
 253 char const * const known_text_font_series[] = { "textbf", "textmd", 0};
 254
 255 /// The same as known_old_font_series, known_font_series and
 256 /// known_text_font_series with .lyx names
 257 char const * const known_coded_font_series[] = { "bold", "medium", 0};
 258
 259 /// LaTeX 2.09 names for font shapes
 260 char const * const known_old_font_shapes[] = { "it", "sl", "sc", 0};
 261
 262 /// LaTeX names for font shapes
 263 char const * const known_font_shapes[] = { "itshape", "slshape", "scshape",
 264 "upshape", 0};
 265
 266 /// LaTeX names for font shape changing commands
 267 char const * const known_text_font_shapes[] = { "textit", "textsl", "textsc",
 268 "textup", 0};
 269
 270 /// The same as known_old_font_shapes, known_font_shapes and
 271 /// known_text_font_shapes with .lyx names
 272 char const * const known_coded_font_shapes[] = { "italic", "slanted",
 273 "smallcaps", "up", 0};
 274
 275 /// Known special characters which need skip_spaces_braces() afterwards
 276 char const * const known_special_chars[] = {"ldots",
 277 "lyxarrow", "textcompwordmark",
 278 "slash", "textasciitilde", "textasciicircum", "textbackslash",
 279 "LyX", "TeX", "LaTeXe",
 280 "LaTeX", 0};
 281
 282 /// special characters from known_special_chars which may have a \\protect before
 283 char const * const known_special_protect_chars[] = {"LyX", "TeX",
 284 "LaTeXe", "LaTeX", 0};
 285
 286 /// the same as known_special_chars with .lyx names
 287 char const * const known_coded_special_chars[] = {"\\SpecialChar ldots\n",
 288 "\\SpecialChar menuseparator\n", "\\SpecialChar ligaturebreak\n",
 289 "\\SpecialChar breakableslash\n", "~", "^", "\n\\backslash\n",
 290 "\\SpecialChar LyX\n", "\\SpecialChar TeX\n", "\\SpecialChar LaTeX2e\n",
 291 "\\SpecialChar LaTeX\n", 0};
 292
 293 /*!
 294  * Graphics file extensions known by the dvips driver of the graphics package.
 295  * These extensions are used to complete the filename of an included
 296  * graphics file if it does not contain an extension.
 297  * The order must be the same that latex uses to find a file, because we
 298  * will use the first extension that matches.
 299  * This is only an approximation for the common cases. If we would want to
 300  * do it right in all cases, we would need to know which graphics driver is
 301  * used and know the extensions of every driver of the graphics package.
 302  */
 303 char const * const known_dvips_graphics_formats[] = {"eps", "ps", "eps.gz",
 304 "ps.gz", "eps.Z", "ps.Z", 0};
 305
 306 /*!
 307  * Graphics file extensions known by the pdftex driver of the graphics package.
 308  * \sa known_dvips_graphics_formats
 309  */
 310 char const * const known_pdftex_graphics_formats[] = {"png", "pdf", "jpg",
 311 "mps", "tif", 0};
 312
 313 /*!
 314  * Known file extensions for TeX files as used by \\include.
 315  */
 316 char const * const known_tex_extensions[] = {"tex", 0};
 317
 318 /// spaces known by InsetSpace
 319 char const * const known_spaces[] = { " ", "space", ",",
 320 "thinspace", "quad", "qquad", "enspace", "enskip",
 321 "negthinspace", "negmedspace", "negthickspace", "textvisiblespace",
 322 "hfill", "dotfill", "hrulefill", "leftarrowfill", "rightarrowfill",
 323 "upbracefill", "downbracefill", 0};
 324
 325 /// the same as known_spaces with .lyx names
 326 char const * const known_coded_spaces[] = { "space{}", "space{}",
 327 "thinspace{}", "thinspace{}", "quad{}", "qquad{}", "enspace{}", "enskip{}",
 328 "negthinspace{}", "negmedspace{}", "negthickspace{}", "textvisiblespace{}",
 329 "hfill{}", "dotfill{}", "hrulefill{}", "leftarrowfill{}", "rightarrowfill{}",
 330 "upbracefill{}", "downbracefill{}", 0};
 331
 332 /// known TIPA combining diacritical marks
 333 char const * const known_tipa_marks[] = {"textsubwedge", "textsubumlaut",
 334 "textsubtilde", "textseagull", "textsubbridge", "textinvsubbridge",
 335 "textsubsquare", "textsubrhalfring", "textsublhalfring", "textsubplus",
 336 "textovercross", "textsubarch", "textsuperimposetilde", "textraising",
 337 "textlowering", "textadvancing", "textretracting", "textdoublegrave",
 338 "texthighrise", "textlowrise", "textrisefall", "textsyllabic",
 339 "textsubring", "textsubbar", 0};
 340
 341 /// TIPA tones that need special handling
 342 char const * const known_tones[] = {"15", "51", "45", "12", "454", 0};
 343
 344 // string to store the float type to be able to determine the type of subfloats
 345 string float_type = "";
 346
 347 // string to store the float status of minted listings
 348 string minted_float = "";
 349
 350 // whether a caption has been parsed for a floating minted listing
 351 bool minted_float_has_caption = false;
 352
 353 // The caption for non-floating minted listings
 354 string minted_nonfloat_caption = "";
 355
 356 // Characters that have to be escaped by \\ in LaTeX
 357 char const * const known_escaped_chars[] = {
 358                 "&", "_", "$", "%", "#", "^", "{", "}", 0};
 359
 360
 361 /// splits "x=z, y=b" into a map and an ordered keyword vector
 362 void split_map(string const & s, map<string, string> & res, vector<string> & keys)
 363 {
 364         vector<string> v;
 365         split(s, v);
 366         res.clear();
 367         keys.resize(v.size());
 368         for (size_t i = 0; i < v.size(); ++i) {
 369                 size_t const pos   = v[i].find('=');
 370                 string const index = trimSpaceAndEol(v[i].substr(0, pos));
 371                 string const value = trimSpaceAndEol(v[i].substr(pos + 1, string::npos));
 372                 res[index] = value;
 373                 keys[i] = index;
 374         }
 375 }
 376
 377
 378 /*!
 379  * Split a LaTeX length into value and unit.
 380  * The latter can be a real unit like "pt", or a latex length variable
 381  * like "\textwidth". The unit may contain additional stuff like glue
 382  * lengths, but we don't care, because such lengths are ERT anyway.
 383  * \returns true if \p value and \p unit are valid.
 384  */
 385 bool splitLatexLength(string const & len, string & value, string & unit)
 386 {
 387         if (len.empty())
 388                 return false;
 389         const string::size_type i = len.find_first_not_of(" -+0123456789.,");
 390         //'4,5' is a valid LaTeX length number. Change it to '4.5'
 391         string const length = subst(len, ',', '.');
 392         if (i == string::npos)
 393                 return false;
 394         if (i == 0) {
 395                 if (len[0] == '\\') {
 396                         // We had something like \textwidth without a factor
 397                         value = "1.0";
 398                 } else {
 399                         return false;
 400                 }
 401         } else {
 402                 value = trimSpaceAndEol(string(length, 0, i));
 403         }
 404         if (value == "-")
 405                 value = "-1.0";
 406         // 'cM' is a valid LaTeX length unit. Change it to 'cm'
 407         if (contains(len, '\\'))
 408                 unit = trimSpaceAndEol(string(len, i));
 409         else
 410                 unit = ascii_lowercase(trimSpaceAndEol(string(len, i)));
 411         return true;
 412 }
 413
 414
 415 /// A simple function to translate a latex length to something LyX can
 416 /// understand. Not perfect, but rather best-effort.
 417 bool translate_len(string const & length, string & valstring, string & unit)
 418 {
 419         if (!splitLatexLength(length, valstring, unit))
 420                 return false;
 421         // LyX uses percent values
 422         double value;
 423         istringstream iss(valstring);
 424         iss >> value;
 425         value *= 100;
 426         ostringstream oss;
 427         oss << value;
 428         string const percentval = oss.str();
 429         // a normal length
 430         if (unit.empty() || unit[0] != '\\')
 431                 return true;
 432         string::size_type const i = unit.find(' ');
 433         string const endlen = (i == string::npos) ? string() : string(unit, i);
 434         if (unit == "\\textwidth") {
 435                 valstring = percentval;
 436                 unit = "text%" + endlen;
 437         } else if (unit == "\\columnwidth") {
 438                 valstring = percentval;
 439                 unit = "col%" + endlen;
 440         } else if (unit == "\\paperwidth") {
 441                 valstring = percentval;
 442                 unit = "page%" + endlen;
 443         } else if (unit == "\\linewidth") {
 444                 valstring = percentval;
 445                 unit = "line%" + endlen;
 446         } else if (unit == "\\paperheight") {
 447                 valstring = percentval;
 448                 unit = "pheight%" + endlen;
 449         } else if (unit == "\\textheight") {
 450                 valstring = percentval;
 451                 unit = "theight%" + endlen;
 452         } else if (unit == "\\baselineskip") {
 453                 valstring = percentval;
 454                 unit = "baselineskip%" + endlen;
 455         }
 456         return true;
 457 }
 458
 459
 460 /// If we have ambiguous quotation marks, make a smart guess
 461 /// based on main quote style
 462 string guessQuoteStyle(string in, bool const opening)
 463 {
 464         string res = in;
 465         if (prefixIs(in, "qr")) {// straight quote
 466                 if (!opening)
 467                         res = subst(res, "r", "l");
 468         } else if (in == "eld") {// ``
 469                 if (preamble.quotesStyle() == "german")
 470                         res = "grd";
 471                 else if (preamble.quotesStyle() == "british")
 472                         res = "bls";
 473                 else if (preamble.quotesStyle() == "french")
 474                         res = "fls";
 475                 else if (preamble.quotesStyle() == "russian")
 476                         res = "rrs";
 477         } else if (in == "erd") {// ''
 478                 if (preamble.quotesStyle() == "polish")
 479                         res = "prd";
 480                 else if (preamble.quotesStyle() == "british")
 481                         res = "brs";
 482                 else if (preamble.quotesStyle() == "french")
 483                         res = "frs";
 484                 else if (preamble.quotesStyle() == "swedish")
 485                         res = opening ? "sld" : "srd";
 486         } else if (in == "els") {// `
 487                 if (preamble.quotesStyle() == "german")
 488                         res = "grs";
 489                 else if (preamble.quotesStyle() == "british")
 490                         res = "bld";
 491         } else if (in == "ers") {// '
 492                 if (preamble.quotesStyle() == "polish")
 493                         res = "prs";
 494                 else if (preamble.quotesStyle() == "british")
 495                         res = "brd";
 496                 else if (preamble.quotesStyle() == "swedish")
 497                         res = opening ? "sls" : "srs";
 498         } else if (in == "ard") {// >>
 499                 if (preamble.quotesStyle() == "swiss")
 500                         res = "cld";
 501                 else if (preamble.quotesStyle() == "french")
 502                         res = "fld";
 503                 else if (preamble.quotesStyle() == "russian")
 504                         res = "rld";
 505         } else if (in == "ald") {// <<
 506                 if (preamble.quotesStyle() == "swiss")
 507                         res = "crd";
 508                 else if (preamble.quotesStyle() == "french")
 509                         res = "frd";
 510                 else if (preamble.quotesStyle() == "russian")
 511                         res = "rrd";
 512         } else if (in == "ars") {// >
 513                 if (preamble.quotesStyle() == "swiss")
 514                         res = "cls";
 515         } else if (in == "als") {// <
 516                 if (preamble.quotesStyle() == "swiss")
 517                         res = "crs";
 518         } else if (in == "gld") {// ,,
 519                 if (preamble.quotesStyle() == "polish")
 520                         res = "pld";
 521                 else if (preamble.quotesStyle() == "russian")
 522                         res = "rls";
 523         } else if (in == "gls") {// ,
 524                 if (preamble.quotesStyle() == "polish")
 525                         res = "pls";
 526         }
 527         return res;
 528 }
 529
 530
 531 string const fromPolyglossiaEnvironment(string const s)
 532 {
 533         // Since \arabic is taken by the LaTeX kernel,
 534         // the Arabic polyglossia environment is upcased
 535         if (s == "Arabic")
 536                 return "arabic";
 537         else
 538                 return s;
 539 }
 540
 541
 542 string uncapitalize(string const s)
 543 {
 544         docstring in = from_ascii(s);
 545         char_type t = lowercase(s[0]);
 546         in[0] = t;
 547         return to_ascii(in);
 548 }
 549
 550
 551 bool isCapitalized(string const s)
 552 {
 553         docstring in = from_ascii(s);
 554         char_type t = uppercase(s[0]);
 555         in[0] = t;
 556         return to_ascii(in) == s;
 557 }
 558
 559
 560 } // namespace
 561
 562
 563 string translate_len(string const & length)
 564 {
 565         string unit;
 566         string value;
 567         if (translate_len(length, value, unit))
 568                 return value + unit;
 569         // If the input is invalid, return what we have.
 570         return length;
 571 }
 572
 573
 574 namespace {
 575
 576 /*!
 577  * Translates a LaTeX length into \p value, \p unit and
 578  * \p special parts suitable for a box inset.
 579  * The difference from translate_len() is that a box inset knows about
 580  * some special "units" that are stored in \p special.
 581  */
 582 void translate_box_len(string const & length, string & value, string & unit, string & special)
 583 {
 584         if (translate_len(length, value, unit)) {
 585                 if (unit == "\\height" || unit == "\\depth" ||
 586                     unit == "\\totalheight" || unit == "\\width") {
 587                         special = unit.substr(1);
 588                         // The unit is not used, but LyX requires a dummy setting
 589                         unit = "in";
 590                 } else
 591                         special = "none";
 592         } else {
 593                 value.clear();
 594                 unit = length;
 595                 special = "none";
 596         }
 597 }
 598
 599
 600 void begin_inset(ostream & os, string const & name)
 601 {
 602         os << "\n\\begin_inset " << name;
 603 }
 604
 605
 606 void begin_command_inset(ostream & os, string const & name,
 607                          string const & latexname)
 608 {
 609         begin_inset(os, "CommandInset ");
 610         os << name << "\nLatexCommand " << latexname << '\n';
 611 }
 612
 613
 614 void end_inset(ostream & os)
 615 {
 616         os << "\n\\end_inset\n\n";
 617 }
 618
 619
 620 bool skip_braces(Parser & p)
 621 {
 622         if (p.next_token().cat() != catBegin)
 623                 return false;
 624         p.get_token();
 625         if (p.next_token().cat() == catEnd) {
 626                 p.get_token();
 627                 return true;
 628         }
 629         p.putback();
 630         return false;
 631 }
 632
 633
 634 /// replace LaTeX commands in \p s from the unicodesymbols file with their
 635 /// unicode points
 636 pair<bool, docstring> convert_unicodesymbols(docstring s)
 637 {
 638         bool res = true;
 639         odocstringstream os;
 640         for (size_t i = 0; i < s.size();) {
 641                 if (s[i] != '\\') {
 642                         os.put(s[i++]);
 643                         continue;
 644                 }
 645                 s = s.substr(i);
 646                 bool termination;
 647                 docstring rem;
 648                 set<string> req;
 649                 docstring parsed = normalize_c(encodings.fromLaTeXCommand(s,
 650                                 Encodings::TEXT_CMD, termination, rem, &req));
 651                 set<string>::const_iterator it = req.begin();
 652                 set<string>::const_iterator en = req.end();
 653                 for (; it != en; ++it)
 654                         preamble.registerAutomaticallyLoadedPackage(*it);
 655                 os << parsed;
 656                 s = rem;
 657                 if (s.empty() || s[0] != '\\')
 658                         i = 0;
 659                 else {
 660                         res = false;
 661                         for (auto const & c : known_escaped_chars)
 662                                 if (c != 0 && prefixIs(s, from_ascii("\\") + c))
 663                                         res = true;
 664                         i = 1;
 665                 }
 666         }
 667         return make_pair(res, os.str());
 668 }
 669
 670
 671 /// try to convert \p s to a valid InsetCommand argument
 672 /// return whether this succeeded. If not, these command insets
 673 /// get the "literate" flag.
 674 pair<bool, string> convert_latexed_command_inset_arg(string s)
 675 {
 676         bool success = false;
 677         if (isAscii(s)) {
 678                 // since we don't know the input encoding we can't use from_utf8
 679                 pair<bool, docstring> res = convert_unicodesymbols(from_ascii(s));
 680                 success = res.first;
 681                 s = to_utf8(res.second);
 682         }
 683         // LyX cannot handle newlines in a latex command
 684         return make_pair(success, subst(s, "\n", " "));
 685 }
 686
 687 /// try to convert \p s to a valid InsetCommand argument
 688 /// without trying to recode macros.
 689 string convert_literate_command_inset_arg(string s)
 690 {
 691         // LyX cannot handle newlines in a latex command
 692         return subst(s, "\n", " ");
 693 }
 694
 695 void output_ert(ostream & os, string const & s, Context & context)
 696 {
 697         context.check_layout(os);
 698         for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
 699                 if (*it == '\\')
 700                         os << "\n\\backslash\n";
 701                 else if (*it == '\n') {
 702                         context.new_paragraph(os);
 703                         context.check_layout(os);
 704                 } else
 705                         os << *it;
 706         }
 707         context.check_end_layout(os);
 708 }
 709
 710
 711 void output_ert_inset(ostream & os, string const & s, Context & context)
 712 {
 713         // We must have a valid layout before outputting the ERT inset.
 714         context.check_layout(os);
 715         Context newcontext(true, context.textclass);
 716         InsetLayout const & layout = context.textclass.insetLayout(from_ascii("ERT"));
 717         if (layout.forcePlainLayout())
 718                 newcontext.layout = &context.textclass.plainLayout();
 719         begin_inset(os, "ERT");
 720         os << "\nstatus collapsed\n";
 721         output_ert(os, s, newcontext);
 722         end_inset(os);
 723 }
 724
 725
 726 void output_comment(Parser & p, ostream & os, string const & s,
 727                     Context & context)
 728 {
 729         if (p.next_token().cat() == catNewline)
 730                 output_ert_inset(os, '%' + s, context);
 731         else
 732                 output_ert_inset(os, '%' + s + '\n', context);
 733 }
 734
 735
 736 Layout const * findLayout(TextClass const & textclass, string const & name, bool command,
 737                           string const & latexparam = string())
 738 {
 739         Layout const * layout = findLayoutWithoutModule(textclass, name, command, latexparam);
 740         if (layout)
 741                 return layout;
 742         if (checkModule(name, command))
 743                 return findLayoutWithoutModule(textclass, name, command, latexparam);
 744         return layout;
 745 }
 746
 747
 748 InsetLayout const * findInsetLayout(TextClass const & textclass, string const & name, bool command,
 749                                     string const & latexparam = string())
 750 {
 751         InsetLayout const * insetlayout =
 752                 findInsetLayoutWithoutModule(textclass, name, command, latexparam);
 753         if (insetlayout)
 754                 return insetlayout;
 755         if (checkModule(name, command))
 756                 return findInsetLayoutWithoutModule(textclass, name, command, latexparam);
 757         return insetlayout;
 758 }
 759
 760
 761 void eat_whitespace(Parser &, ostream &, Context &, bool);
 762
 763
 764 /*!
 765  * Skips whitespace and braces.
 766  * This should be called after a command has been parsed that is not put into
 767  * ERT, and where LyX adds "{}" if needed.
 768  */
 769 void skip_spaces_braces(Parser & p, bool keepws = false)
 770 {
 771         /* The following four examples produce the same typeset output and
 772            should be handled by this function:
 773            - abc \j{} xyz
 774            - abc \j {} xyz
 775            - abc \j
 776              {} xyz
 777            - abc \j %comment
 778              {} xyz
 779          */
 780         // Unfortunately we need to skip comments, too.
 781         // We can't use eat_whitespace since writing them after the {}
 782         // results in different output in some cases.
 783         bool const skipped_spaces = p.skip_spaces(true);
 784         bool const skipped_braces = skip_braces(p);
 785         if (keepws && skipped_spaces && !skipped_braces)
 786                 // put back the space (it is better handled by check_space)
 787                 p.unskip_spaces(true);
 788 }
 789
 790
 791 void output_arguments(ostream & os, Parser & p, bool outer, bool need_layout, string const prefix,
 792                       Context & context, Layout::LaTeXArgMap const & latexargs)
 793 {
 794         if (context.layout->latextype != LATEX_ITEM_ENVIRONMENT || !prefix.empty()) {
 795                 if (need_layout) {
 796                         context.check_layout(os);
 797                         need_layout = false;
 798                 } else
 799                         need_layout = true;
 800         }
 801         int i = 0;
 802         Layout::LaTeXArgMap::const_iterator lait = latexargs.begin();
 803         Layout::LaTeXArgMap::const_iterator const laend = latexargs.end();
 804         for (; lait != laend; ++lait) {
 805                 ++i;
 806                 eat_whitespace(p, os, context, false);
 807                 if (lait->second.mandatory) {
 808                         if (p.next_token().cat() != catBegin)
 809                                 break;
 810                         string ldelim = to_utf8(lait->second.ldelim);
 811                         string rdelim = to_utf8(lait->second.rdelim);
 812                         if (ldelim.empty())
 813                                 ldelim = "{";
 814                         if (rdelim.empty())
 815                                 rdelim = "}";
 816                         p.get_token(); // eat ldelim
 817                         if (ldelim.size() > 1)
 818                                 p.get_token(); // eat ldelim
 819                         if (need_layout) {
 820                                 context.check_layout(os);
 821                                 need_layout = false;
 822                         }
 823                         begin_inset(os, "Argument ");
 824                         if (!prefix.empty())
 825                                 os << prefix << ':';
 826                         os << i << "\nstatus collapsed\n\n";
 827                         parse_text_in_inset(p, os, FLAG_RDELIM, outer, context, 0, rdelim);
 828                         end_inset(os);
 829                 } else {
 830                         string ldelim = to_utf8(lait->second.ldelim);
 831                         string rdelim = to_utf8(lait->second.rdelim);
 832                         if (ldelim.empty())
 833                                 ldelim = "[";
 834                         if (rdelim.empty())
 835                                 rdelim = "]";
 836                         string tok = p.next_token().asInput();
 837                         // we only support delimiters with max 2 chars for now.
 838                         if (ldelim.size() > 1)
 839                                 tok += p.next_next_token().asInput();
 840                         if (p.next_token().cat() == catEscape || tok != ldelim)
 841                                 continue;
 842                         p.get_token(); // eat ldelim
 843                         if (ldelim.size() > 1)
 844                                 p.get_token(); // eat ldelim
 845                         if (need_layout) {
 846                                 context.check_layout(os);
 847                                 need_layout = false;
 848                         }
 849                         begin_inset(os, "Argument ");
 850                         if (!prefix.empty())
 851                                 os << prefix << ':';
 852                         os << i << "\nstatus collapsed\n\n";
 853                         parse_text_in_inset(p, os, FLAG_RDELIM, outer, context, 0, rdelim);
 854                         end_inset(os);
 855                 }
 856                 eat_whitespace(p, os, context, false);
 857         }
 858 }
 859
 860
 861 void output_command_layout(ostream & os, Parser & p, bool outer,
 862                            Context & parent_context,
 863                            Layout const * newlayout)
 864 {
 865         TeXFont const oldFont = parent_context.font;
 866         // save the current font size
 867         string const size = oldFont.size;
 868         // reset the font size to default, because the font size switches
 869         // don't affect section headings and the like
 870         parent_context.font.size = Context::normalfont.size;
 871         // we only need to write the font change if we have an open layout
 872         if (!parent_context.atParagraphStart())
 873                 output_font_change(os, oldFont, parent_context.font);
 874         parent_context.check_end_layout(os);
 875         Context context(true, parent_context.textclass, newlayout,
 876                         parent_context.layout, parent_context.font);
 877         if (parent_context.deeper_paragraph) {
 878                 // We are beginning a nested environment after a
 879                 // deeper paragraph inside the outer list environment.
 880                 // Therefore we don't need to output a "begin deeper".
 881                 context.need_end_deeper = true;
 882         }
 883         context.check_deeper(os);
 884         output_arguments(os, p, outer, true, string(), context,
 885                          context.layout->latexargs());
 886         // If we have a latex param, we eat it here.
 887         if (!parent_context.latexparam.empty()) {
 888                 ostringstream oss;
 889                 Context dummy(true, parent_context.textclass);
 890                 parse_text(p, oss, FLAG_RDELIM, outer, dummy,
 891                            string(1, parent_context.latexparam.back()));
 892         }
 893         parse_text(p, os, FLAG_ITEM, outer, context);
 894         output_arguments(os, p, outer, false, "post", context,
 895                          context.layout->postcommandargs());
 896         context.check_end_layout(os);
 897         if (parent_context.deeper_paragraph) {
 898                 // We must suppress the "end deeper" because we
 899                 // suppressed the "begin deeper" above.
 900                 context.need_end_deeper = false;
 901         }
 902         context.check_end_deeper(os);
 903         // We don't need really a new paragraph, but
 904         // we must make sure that the next item gets a \begin_layout.
 905         parent_context.new_paragraph(os);
 906         // Set the font size to the original value. No need to output it here
 907         // (Context::begin_layout() will do that if needed)
 908         parent_context.font.size = size;
 909 }
 910
 911
 912 /*!
 913  * Output a space if necessary.
 914  * This function gets called for every whitespace token.
 915  *
 916  * We have three cases here:
 917  * 1. A space must be suppressed. Example: The lyxcode case below
 918  * 2. A space may be suppressed. Example: Spaces before "\par"
 919  * 3. A space must not be suppressed. Example: A space between two words
 920  *
 921  * We currently handle only 1. and 3 and from 2. only the case of
 922  * spaces before newlines as a side effect.
 923  *
 924  * 2. could be used to suppress as many spaces as possible. This has two effects:
 925  * - Reimporting LyX generated LaTeX files changes almost no whitespace
 926  * - Superflous whitespace from non LyX generated LaTeX files is removed.
 927  * The drawback is that the logic inside the function becomes
 928  * complicated, and that is the reason why it is not implemented.
 929  */
 930 void check_space(Parser & p, ostream & os, Context & context)
 931 {
 932         Token const next = p.next_token();
 933         Token const curr = p.curr_token();
 934         // A space before a single newline and vice versa must be ignored
 935         // LyX emits a newline before \end{lyxcode}.
 936         // This newline must be ignored,
 937         // otherwise LyX will add an additional protected space.
 938         if (next.cat() == catSpace ||
 939             next.cat() == catNewline ||
 940             (next.cs() == "end" && context.layout->free_spacing && curr.cat() == catNewline)) {
 941                 return;
 942         }
 943         context.check_layout(os);
 944         os << ' ';
 945 }
 946
 947
 948 /*!
 949  * Parse all arguments of \p command
 950  */
 951 void parse_arguments(string const & command,
 952                      vector<ArgumentType> const & template_arguments,
 953                      Parser & p, ostream & os, bool outer, Context & context)
 954 {
 955         string ert = command;
 956         size_t no_arguments = template_arguments.size();
 957         for (size_t i = 0; i < no_arguments; ++i) {
 958                 switch (template_arguments[i]) {
 959                 case required:
 960                 case req_group:
 961                         // This argument contains regular LaTeX
 962                         output_ert_inset(os, ert + '{', context);
 963                         eat_whitespace(p, os, context, false);
 964                         if (template_arguments[i] == required)
 965                                 parse_text(p, os, FLAG_ITEM, outer, context);
 966                         else
 967                                 parse_text_snippet(p, os, FLAG_ITEM, outer, context);
 968                         ert = "}";
 969                         break;
 970                 case item:
 971                         // This argument consists only of a single item.
 972                         // The presence of '{' or not must be preserved.
 973                         p.skip_spaces();
 974                         if (p.next_token().cat() == catBegin)
 975                                 ert += '{' + p.verbatim_item() + '}';
 976                         else
 977                                 ert += p.verbatim_item();
 978                         break;
 979                 case displaymath:
 980                 case verbatim:
 981                         // This argument may contain special characters
 982                         ert += '{' + p.verbatim_item() + '}';
 983                         break;
 984                 case optional:
 985                 case opt_group:
 986                         // true because we must not eat whitespace
 987                         // if an optional arg follows we must not strip the
 988                         // brackets from this one
 989                         if (i < no_arguments - 1 &&
 990                             template_arguments[i+1] == optional)
 991                                 ert += p.getFullOpt(true);
 992                         else
 993                                 ert += p.getOpt(true);
 994                         break;
 995                 }
 996         }
 997         output_ert_inset(os, ert, context);
 998 }
 999
1000
1001 /*!
1002  * Check whether \p command is a known command. If yes,
1003  * handle the command with all arguments.
1004  * \return true if the command was parsed, false otherwise.
1005  */
1006 bool parse_command(string const & command, Parser & p, ostream & os,
1007                    bool outer, Context & context)
1008 {
1009         if (known_commands.find(command) != known_commands.end()) {
1010                 parse_arguments(command, known_commands[command], p, os,
1011                                 outer, context);
1012                 return true;
1013         }
1014         return false;
1015 }
1016
1017
1018 /// Parses a minipage or parbox
1019 void parse_box(Parser & p, ostream & os, unsigned outer_flags,
1020                unsigned inner_flags, bool outer, Context & parent_context,
1021                string const & outer_type, string const & special,
1022                string inner_type, string const & frame_color,
1023                string const & background_color)
1024 {
1025         string position;
1026         string inner_pos;
1027         string hor_pos = "l";
1028         // We need to set the height to the LaTeX default of 1\\totalheight
1029         // for the case when no height argument is given
1030         string height_value = "1";
1031         string height_unit = "in";
1032         string height_special = "totalheight";
1033         string latex_height;
1034         string width_value;
1035         string width_unit;
1036         string latex_width;
1037         string width_special = "none";
1038         string thickness = "0.4pt";
1039         if (!fboxrule.empty())
1040                 thickness = fboxrule;
1041         else
1042                 thickness = "0.4pt";
1043         string separation;
1044         if (!fboxsep.empty())
1045                 separation = fboxsep;
1046         else
1047                 separation = "3pt";
1048         string shadowsize;
1049         if (!shadow_size.empty())
1050                 shadowsize = shadow_size;
1051         else
1052                 shadowsize = "4pt";
1053         string framecolor = "black";
1054         string backgroundcolor = "none";
1055         if (!frame_color.empty())
1056                 framecolor = frame_color;
1057         if (!background_color.empty())
1058                 backgroundcolor = background_color;
1059         // if there is a color box around the \begin statements have not yet been parsed
1060         // so do this now
1061         if (!frame_color.empty() || !background_color.empty()) {
1062                 eat_whitespace(p, os, parent_context, false);
1063                 p.get_token().asInput(); // the '{'
1064                 // parse minipage
1065                 if (p.next_token().asInput() == "\\begin") {
1066                         p.get_token().asInput();
1067                         p.getArg('{', '}');
1068                         inner_type = "minipage";
1069                         inner_flags = FLAG_END;
1070                         active_environments.push_back("minipage");
1071                 }
1072                 // parse parbox
1073                 else if (p.next_token().asInput() == "\\parbox") {
1074                         p.get_token().asInput();
1075                         inner_type = "parbox";
1076                         inner_flags = FLAG_ITEM;
1077                 }
1078                 // parse makebox
1079                 else if (p.next_token().asInput() == "\\makebox") {
1080                         p.get_token().asInput();
1081                         inner_type = "makebox";
1082                         inner_flags = FLAG_ITEM;
1083                 }
1084                 // in case there is just \colorbox{color}{text}
1085                 else {
1086                         latex_width = "";
1087                         inner_type = "makebox";
1088                         inner_flags = FLAG_BRACE_LAST;
1089                         position = "t";
1090                         inner_pos = "t";
1091                 }
1092         }
1093         if (!p.hasOpt() && (inner_type == "makebox" || outer_type == "mbox"))
1094                 hor_pos = "c";
1095         if (!inner_type.empty() && p.hasOpt()) {
1096                 if (inner_type != "makebox")
1097                         position = p.getArg('[', ']');
1098                 else {
1099                         latex_width = p.getArg('[', ']');
1100                         translate_box_len(latex_width, width_value, width_unit, width_special);
1101                         position = "t";
1102                 }
1103                 if (position != "t" && position != "c" && position != "b") {
1104                         cerr << "invalid position " << position << " for "
1105                              << inner_type << endl;
1106                         position = "c";
1107                 }
1108                 if (p.hasOpt()) {
1109                         if (inner_type != "makebox") {
1110                                 latex_height = p.getArg('[', ']');
1111                                 translate_box_len(latex_height, height_value, height_unit, height_special);
1112                         } else {
1113                                 string const opt = p.getArg('[', ']');
1114                                 if (!opt.empty()) {
1115                                         hor_pos = opt;
1116                                         if (hor_pos != "l" && hor_pos != "c" &&
1117                                             hor_pos != "r" && hor_pos != "s") {
1118                                                 cerr << "invalid hor_pos " << hor_pos
1119                                                      << " for " << inner_type << endl;
1120                                                 hor_pos = "c";
1121                                         }
1122                                 }
1123                         }
1124
1125                         if (p.hasOpt()) {
1126                                 inner_pos = p.getArg('[', ']');
1127                                 if (inner_pos != "c" && inner_pos != "t" &&
1128                                     inner_pos != "b" && inner_pos != "s") {
1129                                         cerr << "invalid inner_pos "
1130                                              << inner_pos << " for "
1131                                              << inner_type << endl;
1132                                         inner_pos = position;
1133                                 }
1134                         }
1135                 } else {
1136                         if (inner_type == "makebox")
1137                                 hor_pos = "c";
1138                 }
1139         }
1140         if (inner_type.empty()) {
1141                 if (special.empty() && outer_type != "framebox")
1142                         latex_width = "1\\columnwidth";
1143                 else {
1144                         Parser p2(special);
1145                         latex_width = p2.getArg('[', ']');
1146                         string const opt = p2.getArg('[', ']');
1147                         if (!opt.empty()) {
1148                                 hor_pos = opt;
1149                                 if (hor_pos != "l" && hor_pos != "c" &&
1150                                     hor_pos != "r" && hor_pos != "s") {
1151                                         cerr << "invalid hor_pos " << hor_pos
1152                                              << " for " << outer_type << endl;
1153                                         hor_pos = "c";
1154                                 }
1155                         } else {
1156                                 if (outer_type == "framebox")
1157                                         hor_pos = "c";
1158                         }
1159                 }
1160         } else if (inner_type != "makebox")
1161                 latex_width = p.verbatim_item();
1162         // if e.g. only \ovalbox{content} was used, set the width to 1\columnwidth
1163         // as this is LyX's standard for such cases (except for makebox)
1164         // \framebox is more special and handled below
1165         if (latex_width.empty() && inner_type != "makebox"
1166                 && outer_type != "framebox")
1167                 latex_width = "1\\columnwidth";
1168
1169         translate_len(latex_width, width_value, width_unit);
1170
1171         bool shadedparbox = false;
1172         if (inner_type == "shaded") {
1173                 eat_whitespace(p, os, parent_context, false);
1174                 if (outer_type == "parbox") {
1175                         // Eat '{'
1176                         if (p.next_token().cat() == catBegin)
1177                                 p.get_token();
1178                         eat_whitespace(p, os, parent_context, false);
1179                         shadedparbox = true;
1180                 }
1181                 p.get_token();
1182                 p.getArg('{', '}');
1183         }
1184         // If we already read the inner box we have to push the inner env
1185         if (!outer_type.empty() && !inner_type.empty() &&
1186             (inner_flags & FLAG_END))
1187                 active_environments.push_back(inner_type);
1188         bool use_ert = false;
1189         if (!outer_type.empty() && !inner_type.empty()) {
1190                 // Look whether there is some content after the end of the
1191                 // inner box, but before the end of the outer box.
1192                 // If yes, we need to output ERT.
1193                 p.pushPosition();
1194                 if (inner_flags & FLAG_END)
1195                         p.ertEnvironment(inner_type);
1196                 else
1197                         p.verbatim_item();
1198                 p.skip_spaces(true);
1199                 bool const outer_env(outer_type == "framed" || outer_type == "minipage");
1200                 if ((outer_env && p.next_token().asInput() != "\\end") ||
1201                     (!outer_env && p.next_token().cat() != catEnd)) {
1202                         // something is between the end of the inner box and
1203                         // the end of the outer box, so we need to use ERT.
1204                         use_ert = true;
1205                 }
1206                 p.popPosition();
1207         }
1208
1209         if (use_ert) {
1210                 ostringstream ss;
1211                 if (!outer_type.empty()) {
1212                         if (outer_flags & FLAG_END)
1213                                 ss << "\\begin{" << outer_type << '}';
1214                         else {
1215                                 ss << '\\' << outer_type << '{';
1216                                 if (!special.empty())
1217                                         ss << special;
1218                         }
1219                 }
1220                 if (!inner_type.empty()) {
1221                         if (inner_type != "shaded") {
1222                                 if (inner_flags & FLAG_END)
1223                                         ss << "\\begin{" << inner_type << '}';
1224                                 else
1225                                         ss << '\\' << inner_type;
1226                         }
1227                         if (!position.empty())
1228                                 ss << '[' << position << ']';
1229                         if (!latex_height.empty())
1230                                 ss << '[' << latex_height << ']';
1231                         if (!inner_pos.empty())
1232                                 ss << '[' << inner_pos << ']';
1233                         ss << '{' << latex_width << '}';
1234                         if (!(inner_flags & FLAG_END))
1235                                 ss << '{';
1236                 }
1237                 if (inner_type == "shaded")
1238                         ss << "\\begin{shaded}";
1239                 output_ert_inset(os, ss.str(), parent_context);
1240                 if (!inner_type.empty()) {
1241                         parse_text(p, os, inner_flags, outer, parent_context);
1242                         if (inner_flags & FLAG_END)
1243                                 output_ert_inset(os, "\\end{" + inner_type + '}',
1244                                            parent_context);
1245                         else
1246                                 output_ert_inset(os, "}", parent_context);
1247                 }
1248                 if (!outer_type.empty()) {
1249                         // If we already read the inner box we have to pop
1250                         // the inner env
1251                         if (!inner_type.empty() && (inner_flags & FLAG_END))
1252                                 active_environments.pop_back();
1253
1254                         // Ensure that the end of the outer box is parsed correctly:
1255                         // The opening brace has been eaten by parse_outer_box()
1256                         if (!outer_type.empty() && (outer_flags & FLAG_ITEM)) {
1257                                 outer_flags &= ~FLAG_ITEM;
1258                                 outer_flags |= FLAG_BRACE_LAST;
1259                         }
1260                         parse_text(p, os, outer_flags, outer, parent_context);
1261                         if (outer_flags & FLAG_END)
1262                                 output_ert_inset(os, "\\end{" + outer_type + '}',
1263                                            parent_context);
1264                         else
1265                                 output_ert_inset(os, "}", parent_context);
1266                 }
1267         } else {
1268                 // LyX does not like empty positions, so we have
1269                 // to set them to the LaTeX default values here.
1270                 if (position.empty())
1271                         position = "c";
1272                 if (inner_pos.empty())
1273                         inner_pos = position;
1274                 parent_context.check_layout(os);
1275                 begin_inset(os, "Box ");
1276                 if (outer_type == "framed")
1277                         os << "Framed\n";
1278                 else if (outer_type == "framebox" || outer_type == "fbox" || !frame_color.empty())
1279                         os << "Boxed\n";
1280                 else if (outer_type == "shadowbox")
1281                         os << "Shadowbox\n";
1282                 else if ((outer_type == "shaded" && inner_type.empty()) ||
1283                              (outer_type == "minipage" && inner_type == "shaded") ||
1284                              (outer_type == "parbox" && inner_type == "shaded")) {
1285                         os << "Shaded\n";
1286                         preamble.registerAutomaticallyLoadedPackage("color");
1287                 } else if (outer_type == "doublebox")
1288                         os << "Doublebox\n";
1289                 else if (outer_type.empty() || outer_type == "mbox")
1290                         os << "Frameless\n";
1291                 else
1292                         os << outer_type << '\n';
1293                 os << "position \"" << position << "\"\n";
1294                 os << "hor_pos \"" << hor_pos << "\"\n";
1295                 if (outer_type == "mbox")
1296                         os << "has_inner_box 1\n";
1297                 else if (!frame_color.empty() && inner_type == "makebox")
1298                         os << "has_inner_box 0\n";
1299                 else
1300                         os << "has_inner_box " << !inner_type.empty() << "\n";
1301                 os << "inner_pos \"" << inner_pos << "\"\n";
1302                 os << "use_parbox " << (inner_type == "parbox" || shadedparbox)
1303                    << '\n';
1304                 if (outer_type == "mbox")
1305                         os << "use_makebox 1\n";
1306                 else if (!frame_color.empty())
1307                         os << "use_makebox 0\n";
1308                 else
1309                         os << "use_makebox " << (inner_type == "makebox") << '\n';
1310                 if (outer_type == "mbox" || (outer_type == "fbox" && inner_type.empty()))
1311                         os << "width \"\"\n";
1312                 // for values like "1.5\width" LyX uses "1.5in" as width ad sets "width" as sepecial
1313                 else if (contains(width_unit, '\\'))
1314                         os << "width \"" << width_value << "in" << "\"\n";
1315                 else
1316                         os << "width \"" << width_value << width_unit << "\"\n";
1317                 if (contains(width_unit, '\\')) {
1318                         width_unit.erase (0,1); // remove the leading '\'
1319                         os << "special \"" << width_unit << "\"\n";
1320                 } else
1321                         os << "special \"" << width_special << "\"\n";
1322                 if (contains(height_unit, '\\'))
1323                         os << "height \"" << height_value << "in" << "\"\n";
1324                 else
1325                         os << "height \"" << height_value << height_unit << "\"\n";
1326                 os << "height_special \"" << height_special << "\"\n";
1327                 os << "thickness \"" << thickness << "\"\n";
1328                 os << "separation \"" << separation << "\"\n";
1329                 os << "shadowsize \"" << shadowsize << "\"\n";
1330                 os << "framecolor \"" << framecolor << "\"\n";
1331                 os << "backgroundcolor \"" << backgroundcolor << "\"\n";
1332                 os << "status open\n\n";
1333
1334                 // Unfortunately we can't use parse_text_in_inset:
1335                 // InsetBox::forcePlainLayout() is hard coded and does not
1336                 // use the inset layout. Apart from that do we call parse_text
1337                 // up to two times, but need only one check_end_layout.
1338                 bool const forcePlainLayout =
1339                         (!inner_type.empty() || inner_type == "makebox") &&
1340                         outer_type != "shaded" && outer_type != "framed";
1341                 Context context(true, parent_context.textclass);
1342                 if (forcePlainLayout)
1343                         context.layout = &context.textclass.plainLayout();
1344                 else
1345                         context.font = parent_context.font;
1346
1347                 // If we have no inner box the contents will be read with the outer box
1348                 if (!inner_type.empty())
1349                         parse_text(p, os, inner_flags, outer, context);
1350
1351                 // Ensure that the end of the outer box is parsed correctly:
1352                 // The opening brace has been eaten by parse_outer_box()
1353                 if (!outer_type.empty() && (outer_flags & FLAG_ITEM)) {
1354                         outer_flags &= ~FLAG_ITEM;
1355                         outer_flags |= FLAG_BRACE_LAST;
1356                 }
1357
1358                 // Find end of outer box, output contents if inner_type is
1359                 // empty and output possible comments
1360                 if (!outer_type.empty()) {
1361                         // If we already read the inner box we have to pop
1362                         // the inner env
1363                         if (!inner_type.empty() && (inner_flags & FLAG_END))
1364                                 active_environments.pop_back();
1365                         // This does not output anything but comments if
1366                         // inner_type is not empty (see use_ert)
1367                         parse_text(p, os, outer_flags, outer, context);
1368                 }
1369
1370                 context.check_end_layout(os);
1371                 end_inset(os);
1372 #ifdef PRESERVE_LAYOUT
1373                 // LyX puts a % after the end of the minipage
1374                 if (p.next_token().cat() == catNewline && p.next_token().cs().size() > 1) {
1375                         // new paragraph
1376                         //output_comment(p, os, "dummy", parent_context);
1377                         p.get_token();
1378                         p.skip_spaces();
1379                         parent_context.new_paragraph(os);
1380                 }
1381                 else if (p.next_token().cat() == catSpace || p.next_token().cat() == catNewline) {
1382                         //output_comment(p, os, "dummy", parent_context);
1383                         p.get_token();
1384                         p.skip_spaces();
1385                         // We add a protected space if something real follows
1386                         if (p.good() && p.next_token().cat() != catComment) {
1387                                 begin_inset(os, "space ~\n");
1388                                 end_inset(os);
1389                         }
1390                 }
1391 #endif
1392         }
1393         if (inner_type == "minipage" && (!frame_color.empty() || !background_color.empty()))
1394                 active_environments.pop_back();
1395         if (inner_flags != FLAG_BRACE_LAST && (!frame_color.empty() || !background_color.empty())) {
1396                 // in this case we have to eat the the closing brace of the color box
1397                 p.get_token().asInput(); // the '}'
1398         }
1399         if (p.next_token().asInput() == "}") {
1400                 // in this case we assume that the closing brace is from the box settings
1401                 // therefore reset these values for the next box
1402                 fboxrule = "";
1403                 fboxsep = "";
1404                 shadow_size = "";
1405         }
1406
1407         // all boxes except of Frameless and Shaded require calc
1408         if (!(outer_type.empty() || outer_type == "mbox") &&
1409                 !((outer_type == "shaded" && inner_type.empty()) ||
1410                              (outer_type == "minipage" && inner_type == "shaded") ||
1411                              (outer_type == "parbox" && inner_type == "shaded")))
1412                 preamble.registerAutomaticallyLoadedPackage("calc");
1413 }
1414
1415
1416 void parse_outer_box(Parser & p, ostream & os, unsigned flags, bool outer,
1417                      Context & parent_context, string const & outer_type,
1418                      string const & special)
1419 {
1420         eat_whitespace(p, os, parent_context, false);
1421         if (flags & FLAG_ITEM) {
1422                 // Eat '{'
1423                 if (p.next_token().cat() == catBegin)
1424                         p.get_token();
1425                 else
1426                         cerr << "Warning: Ignoring missing '{' after \\"
1427                              << outer_type << '.' << endl;
1428                 eat_whitespace(p, os, parent_context, false);
1429         }
1430         string inner;
1431         unsigned int inner_flags = 0;
1432         p.pushPosition();
1433         if (outer_type == "minipage" || outer_type == "parbox") {
1434                 p.skip_spaces(true);
1435                 while (p.hasOpt()) {
1436                         p.getArg('[', ']');
1437                         p.skip_spaces(true);
1438                 }
1439                 p.getArg('{', '}');
1440                 p.skip_spaces(true);
1441                 if (outer_type == "parbox") {
1442                         // Eat '{'
1443                         if (p.next_token().cat() == catBegin)
1444                                 p.get_token();
1445                         p.skip_spaces(true);
1446                 }
1447         }
1448         if (outer_type == "shaded" || outer_type == "mbox") {
1449                 // These boxes never have an inner box
1450                 ;
1451         } else if (p.next_token().asInput() == "\\parbox") {
1452                 inner = p.get_token().cs();
1453                 inner_flags = FLAG_ITEM;
1454         } else if (p.next_token().asInput() == "\\begin") {
1455                 // Is this a minipage or shaded box?
1456                 p.pushPosition();
1457                 p.get_token();
1458                 inner = p.getArg('{', '}');
1459                 p.popPosition();
1460                 if (inner == "minipage" || inner == "shaded")
1461                         inner_flags = FLAG_END;
1462                 else
1463                         inner = "";
1464         }
1465         p.popPosition();
1466         if (inner_flags == FLAG_END) {
1467                 if (inner != "shaded")
1468                 {
1469                         p.get_token();
1470                         p.getArg('{', '}');
1471                         eat_whitespace(p, os, parent_context, false);
1472                 }
1473                 parse_box(p, os, flags, FLAG_END, outer, parent_context,
1474                           outer_type, special, inner, "", "");
1475         } else {
1476                 if (inner_flags == FLAG_ITEM) {
1477                         p.get_token();
1478                         eat_whitespace(p, os, parent_context, false);
1479                 }
1480                 parse_box(p, os, flags, inner_flags, outer, parent_context,
1481                           outer_type, special, inner, "", "");
1482         }
1483 }
1484
1485
1486 void parse_listings(Parser & p, ostream & os, Context & parent_context,
1487                     bool in_line, bool use_minted)
1488 {
1489         parent_context.check_layout(os);
1490         begin_inset(os, "listings\n");
1491         string arg = p.hasOpt() ? subst(p.verbatimOption(), "\n", "") : string();
1492         size_t i;
1493         while ((i = arg.find(", ")) != string::npos
1494                         || (i = arg.find(",\t")) != string::npos)
1495                 arg.erase(i + 1, 1);
1496
1497         if (use_minted) {
1498                 string const language = p.getArg('{', '}');
1499                 p.skip_spaces(true);
1500                 arg += string(arg.empty() ? "" : ",") + "language=" + language;
1501                 if (!minted_float.empty()) {
1502                         arg += string(arg.empty() ? "" : ",") + minted_float;
1503                         minted_nonfloat_caption.clear();
1504                 }
1505         }
1506         if (!arg.empty()) {
1507                 os << "lstparams " << '"' << arg << '"' << '\n';
1508                 if (arg.find("\\color") != string::npos)
1509                         preamble.registerAutomaticallyLoadedPackage("color");
1510         }
1511         if (in_line)
1512                 os << "inline true\n";
1513         else
1514                 os << "inline false\n";
1515         os << "status open\n";
1516         Context context(true, parent_context.textclass);
1517         context.layout = &parent_context.textclass.plainLayout();
1518         if (use_minted && prefixIs(minted_nonfloat_caption, "[t]")) {
1519                 minted_nonfloat_caption.erase(0,3);
1520                 os << "\n\\begin_layout Plain Layout\n";
1521                 begin_inset(os, "Caption Standard\n");
1522                 Context newcontext(true, context.textclass,
1523                                    context.layout, 0, context.font);
1524                 newcontext.check_layout(os);
1525                 os << minted_nonfloat_caption << "\n";
1526                 newcontext.check_end_layout(os);
1527                 end_inset(os);
1528                 os << "\n\\end_layout\n";
1529                 minted_nonfloat_caption.clear();
1530         }
1531         string s;
1532         if (in_line) {
1533                 // set catcodes to verbatim early, just in case.
1534                 p.setCatcodes(VERBATIM_CATCODES);
1535                 string delim = p.get_token().asInput();
1536                 //FIXME: handler error condition
1537                 s = p.verbatimStuff(delim).second;
1538 //              context.new_paragraph(os);
1539         } else if (use_minted) {
1540                 s = p.verbatimEnvironment("minted");
1541         } else {
1542                 s = p.verbatimEnvironment("lstlisting");
1543         }
1544         output_ert(os, s, context);
1545         if (use_minted && prefixIs(minted_nonfloat_caption, "[b]")) {
1546                 minted_nonfloat_caption.erase(0,3);
1547                 os << "\n\\begin_layout Plain Layout\n";
1548                 begin_inset(os, "Caption Standard\n");
1549                 Context newcontext(true, context.textclass,
1550                                    context.layout, 0, context.font);
1551                 newcontext.check_layout(os);
1552                 os << minted_nonfloat_caption << "\n";
1553                 newcontext.check_end_layout(os);
1554                 end_inset(os);
1555                 os << "\n\\end_layout\n";
1556                 minted_nonfloat_caption.clear();
1557         }
1558         // Don't close the inset here for floating minted listings.
1559         // It will be closed at the end of the listing environment.
1560         if (!use_minted || minted_float.empty())
1561                 end_inset(os);
1562         else {
1563                 eat_whitespace(p, os, parent_context, true);
1564                 Token t = p.get_token();
1565                 if (t.asInput() != "\\end") {
1566                         // If anything follows, collect it into a caption.
1567                         minted_float_has_caption = true;
1568                         os << "\n\\begin_layout Plain Layout\n"; // outer layout
1569                         begin_inset(os, "Caption Standard\n");
1570                         os << "\n\\begin_layout Plain Layout\n"; // inner layout
1571                 }
1572                 p.putback();
1573         }
1574 }
1575
1576
1577 /// parse an unknown environment
1578 void parse_unknown_environment(Parser & p, string const & name, ostream & os,
1579                                unsigned flags, bool outer,
1580                                Context & parent_context)
1581 {
1582         if (name == "tabbing")
1583                 // We need to remember that we have to handle '\=' specially
1584                 flags |= FLAG_TABBING;
1585
1586         // We need to translate font changes and paragraphs inside the
1587         // environment to ERT if we have a non standard font.
1588         // Otherwise things like
1589         // \large\begin{foo}\huge bar\end{foo}
1590         // will not work.
1591         bool const specialfont =
1592                 (parent_context.font != parent_context.normalfont);
1593         bool const new_layout_allowed = parent_context.new_layout_allowed;
1594         if (specialfont)
1595                 parent_context.new_layout_allowed = false;
1596         output_ert_inset(os, "\\begin{" + name + "}", parent_context);
1597         // Try to handle options: Look if we have an optional arguments,
1598         // and if so, put the brackets in ERT.
1599         while (p.hasOpt()) {
1600                 p.get_token(); // eat '['
1601                 output_ert_inset(os, "[", parent_context);
1602                 os << parse_text_snippet(p, FLAG_BRACK_LAST, outer, parent_context);
1603                 output_ert_inset(os, "]", parent_context);
1604         }
1605         parse_text_snippet(p, os, flags, outer, parent_context);
1606         output_ert_inset(os, "\\end{" + name + "}", parent_context);
1607         if (specialfont)
1608                 parent_context.new_layout_allowed = new_layout_allowed;
1609 }
1610
1611
1612 void parse_environment(Parser & p, ostream & os, bool outer,
1613                        string & last_env, Context & parent_context)
1614 {
1615         Layout const * newlayout;
1616         InsetLayout const * newinsetlayout = 0;
1617         string const name = p.getArg('{', '}');
1618         const bool is_starred = suffixIs(name, '*');
1619         string const unstarred_name = rtrim(name, "*");
1620         active_environments.push_back(name);
1621
1622         if (is_math_env(name)) {
1623                 parent_context.check_layout(os);
1624                 begin_inset(os, "Formula ");
1625                 os << "\\begin{" << name << "}";
1626                 parse_math(p, os, FLAG_END, MATH_MODE);
1627                 os << "\\end{" << name << "}";
1628                 end_inset(os);
1629                 if (is_display_math_env(name)) {
1630                         // Prevent the conversion of a line break to a space
1631                         // (bug 7668). This does not change the output, but
1632                         // looks ugly in LyX.
1633                         eat_whitespace(p, os, parent_context, false);
1634                 }
1635         }
1636
1637         // We need to use fromPolyglossiaEnvironment die to Arabic > arabic
1638         else if (is_known(fromPolyglossiaEnvironment(name), preamble.polyglossia_languages)) {
1639                 // We must begin a new paragraph if not already done
1640                 if (! parent_context.atParagraphStart()) {
1641                         parent_context.check_end_layout(os);
1642                         parent_context.new_paragraph(os);
1643                 }
1644                 // save the language in the context so that it is
1645                 // handled by parse_text
1646                 parent_context.font.language =
1647                         preamble.polyglossia2lyx(fromPolyglossiaEnvironment(name));
1648                 parse_text(p, os, FLAG_END, outer, parent_context);
1649                 // Just in case the environment is empty
1650                 parent_context.extra_stuff.erase();
1651                 // We must begin a new paragraph to reset the language
1652                 parent_context.new_paragraph(os);
1653                 p.skip_spaces();
1654         }
1655
1656         else if (unstarred_name == "tabular" || name == "longtable") {
1657                 eat_whitespace(p, os, parent_context, false);
1658                 string width = "0pt";
1659                 string halign;
1660                 if (name == "longtable" && p.hasOpt()) {
1661                         string const opt = p.getArg('[', ']');
1662                         if (opt == "c")
1663                                 halign = "center";
1664                         else if (opt == "l")
1665                                 halign = "left";
1666                         else if (opt == "r")
1667                                 halign = "right";
1668                 }
1669                 if (name == "tabular*") {
1670                         width = lyx::translate_len(p.getArg('{', '}'));
1671                         eat_whitespace(p, os, parent_context, false);
1672                 }
1673                 parent_context.check_layout(os);
1674                 begin_inset(os, "Tabular ");
1675                 handle_tabular(p, os, name, width, halign, parent_context);
1676                 end_inset(os);
1677                 p.skip_spaces();
1678         }
1679
1680         else if (parent_context.textclass.floats().typeExist(unstarred_name)) {
1681                 eat_whitespace(p, os, parent_context, false);
1682                 string const opt = p.hasOpt() ? p.getArg('[', ']') : string();
1683                 eat_whitespace(p, os, parent_context, false);
1684                 parent_context.check_layout(os);
1685                 begin_inset(os, "Float " + unstarred_name + "\n");
1686                 // store the float type for subfloats
1687                 // subfloats only work with figures and tables
1688                 if (unstarred_name == "figure")
1689                         float_type = unstarred_name;
1690                 else if (unstarred_name == "table")
1691                         float_type = unstarred_name;
1692                 else
1693                         float_type = "";
1694                 if (!opt.empty())
1695                         os << "placement " << opt << '\n';
1696                 if (contains(opt, "H"))
1697                         preamble.registerAutomaticallyLoadedPackage("float");
1698                 else {
1699                         Floating const & fl = parent_context.textclass.floats()
1700                                               .getType(unstarred_name);
1701                         if (!fl.floattype().empty() && fl.usesFloatPkg())
1702                                 preamble.registerAutomaticallyLoadedPackage("float");
1703                 }
1704
1705                 os << "wide " << convert<string>(is_starred)
1706                    << "\nsideways false"
1707                    << "\nstatus open\n\n";
1708                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1709                 end_inset(os);
1710                 // We don't need really a new paragraph, but
1711                 // we must make sure that the next item gets a \begin_layout.
1712                 parent_context.new_paragraph(os);
1713                 p.skip_spaces();
1714                 // the float is parsed thus delete the type
1715                 float_type = "";
1716         }
1717
1718         else if (unstarred_name == "sidewaysfigure"
1719                 || unstarred_name == "sidewaystable"
1720                 || unstarred_name == "sidewaysalgorithm") {
1721                 string const opt = p.hasOpt() ? p.getArg('[', ']') : string();
1722                 eat_whitespace(p, os, parent_context, false);
1723                 parent_context.check_layout(os);
1724                 if (unstarred_name == "sidewaysfigure")
1725                         begin_inset(os, "Float figure\n");
1726                 else if (unstarred_name == "sidewaystable")
1727                         begin_inset(os, "Float table\n");
1728                 else if (unstarred_name == "sidewaysalgorithm")
1729                         begin_inset(os, "Float algorithm\n");
1730                 if (!opt.empty())
1731                         os << "placement " << opt << '\n';
1732                 if (contains(opt, "H"))
1733                         preamble.registerAutomaticallyLoadedPackage("float");
1734                 os << "wide " << convert<string>(is_starred)
1735                    << "\nsideways true"
1736                    << "\nstatus open\n\n";
1737                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1738                 end_inset(os);
1739                 // We don't need really a new paragraph, but
1740                 // we must make sure that the next item gets a \begin_layout.
1741                 parent_context.new_paragraph(os);
1742                 p.skip_spaces();
1743                 preamble.registerAutomaticallyLoadedPackage("rotfloat");
1744         }
1745
1746         else if (name == "wrapfigure" || name == "wraptable") {
1747                 // syntax is \begin{wrapfigure}[lines]{placement}[overhang]{width}
1748                 eat_whitespace(p, os, parent_context, false);
1749                 parent_context.check_layout(os);
1750                 // default values
1751                 string lines = "0";
1752                 string overhang = "0col%";
1753                 // parse
1754                 if (p.hasOpt())
1755                         lines = p.getArg('[', ']');
1756                 string const placement = p.getArg('{', '}');
1757                 if (p.hasOpt())
1758                         overhang = p.getArg('[', ']');
1759                 string const width = p.getArg('{', '}');
1760                 // write
1761                 if (name == "wrapfigure")
1762                         begin_inset(os, "Wrap figure\n");
1763                 else
1764                         begin_inset(os, "Wrap table\n");
1765                 os << "lines " << lines
1766                    << "\nplacement " << placement
1767                    << "\noverhang " << lyx::translate_len(overhang)
1768                    << "\nwidth " << lyx::translate_len(width)
1769                    << "\nstatus open\n\n";
1770                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1771                 end_inset(os);
1772                 // We don't need really a new paragraph, but
1773                 // we must make sure that the next item gets a \begin_layout.
1774                 parent_context.new_paragraph(os);
1775                 p.skip_spaces();
1776                 preamble.registerAutomaticallyLoadedPackage("wrapfig");
1777         }
1778
1779         else if (name == "minipage") {
1780                 eat_whitespace(p, os, parent_context, false);
1781                 // Test whether this is an outer box of a shaded box
1782                 p.pushPosition();
1783                 // swallow arguments
1784                 while (p.hasOpt()) {
1785                         p.getArg('[', ']');
1786                         p.skip_spaces(true);
1787                 }
1788                 p.getArg('{', '}');
1789                 p.skip_spaces(true);
1790                 Token t = p.get_token();
1791                 bool shaded = false;
1792                 if (t.asInput() == "\\begin") {
1793                         p.skip_spaces(true);
1794                         if (p.getArg('{', '}') == "shaded")
1795                                 shaded = true;
1796                 }
1797                 p.popPosition();
1798                 if (shaded)
1799                         parse_outer_box(p, os, FLAG_END, outer,
1800                                         parent_context, name, "shaded");
1801                 else
1802                         parse_box(p, os, 0, FLAG_END, outer, parent_context,
1803                                   "", "", name, "", "");
1804                 p.skip_spaces();
1805         }
1806
1807         else if (name == "comment") {
1808                 eat_whitespace(p, os, parent_context, false);
1809                 parent_context.check_layout(os);
1810                 begin_inset(os, "Note Comment\n");
1811                 os << "status open\n";
1812                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1813                 end_inset(os);
1814                 p.skip_spaces();
1815                 skip_braces(p); // eat {} that might by set by LyX behind comments
1816                 preamble.registerAutomaticallyLoadedPackage("verbatim");
1817         }
1818
1819         else if (unstarred_name == "verbatim") {
1820                 // FIXME: this should go in the generic code that
1821                 // handles environments defined in layout file that
1822                 // have "PassThru 1". However, the code over there is
1823                 // already too complicated for my taste.
1824                 string const ascii_name =
1825                         (name == "verbatim*") ? "Verbatim*" : "Verbatim";
1826                 parent_context.new_paragraph(os);
1827                 Context context(true, parent_context.textclass,
1828                                 &parent_context.textclass[from_ascii(ascii_name)]);
1829                 string s = p.verbatimEnvironment(name);
1830                 output_ert(os, s, context);
1831                 p.skip_spaces();
1832         }
1833
1834         else if (name == "IPA") {
1835                 eat_whitespace(p, os, parent_context, false);
1836                 parent_context.check_layout(os);
1837                 begin_inset(os, "IPA\n");
1838                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1839                 end_inset(os);
1840                 p.skip_spaces();
1841                 preamble.registerAutomaticallyLoadedPackage("tipa");
1842                 preamble.registerAutomaticallyLoadedPackage("tipx");
1843         }
1844
1845         else if (name == parent_context.textclass.titlename()
1846                  && parent_context.textclass.titletype() == TITLE_ENVIRONMENT) {
1847                         parse_text(p, os, FLAG_END, outer, parent_context);
1848                         // Just in case the environment is empty
1849                         parent_context.extra_stuff.erase();
1850                         // We must begin a new paragraph
1851                         parent_context.new_paragraph(os);
1852                         p.skip_spaces();
1853         }
1854
1855         else if (name == "CJK") {
1856                 // the scheme is \begin{CJK}{encoding}{mapping}text\end{CJK}
1857                 // It is impossible to decide if a CJK environment was in its own paragraph or within
1858                 // a line. We therefore always assume a paragraph since the latter is a rare case.
1859                 eat_whitespace(p, os, parent_context, false);
1860                 parent_context.check_end_layout(os);
1861                 // store the encoding to be able to reset it
1862                 string const encoding_old = p.getEncoding();
1863                 string const encoding = p.getArg('{', '}');
1864                 // FIXME: For some reason JIS does not work. Although the text
1865                 // in tests/CJK.tex is identical with the SJIS version if you
1866                 // convert both snippets using the recode command line utility,
1867                 // the resulting .lyx file contains some extra characters if
1868                 // you set buggy_encoding to false for JIS.
1869                 bool const buggy_encoding = encoding == "JIS";
1870                 if (!buggy_encoding)
1871                         p.setEncoding(encoding, Encoding::CJK);
1872                 else {
1873                         // FIXME: This will read garbage, since the data is not encoded in utf8.
1874                         p.setEncoding("UTF-8");
1875                 }
1876                 // LyX only supports the same mapping for all CJK
1877                 // environments, so we might need to output everything as ERT
1878                 string const mapping = trim(p.getArg('{', '}'));
1879                 char const * const * const where =
1880                         is_known(encoding, supported_CJK_encodings);
1881                 if (!buggy_encoding && !preamble.fontCJKSet())
1882                         preamble.fontCJK(mapping);
1883                 bool knownMapping = mapping == preamble.fontCJK();
1884                 if (buggy_encoding || !knownMapping || !where) {
1885                         parent_context.check_layout(os);
1886                         output_ert_inset(os, "\\begin{" + name + "}{" + encoding + "}{" + mapping + "}",
1887                                        parent_context);
1888                         // we must parse the content as verbatim because e.g. JIS can contain
1889                         // normally invalid characters
1890                         // FIXME: This works only for the most simple cases.
1891                         //        Since TeX control characters are not parsed,
1892                         //        things like comments are completely wrong.
1893                         string const s = p.plainEnvironment("CJK");
1894                         for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
1895                                 string snip;
1896                                 snip += *it;
1897                                 if (snip == "\\" || is_known(snip, known_escaped_chars))
1898                                         output_ert_inset(os, snip, parent_context);
1899                                 else if (*it == '\n' && it + 1 != et && s.begin() + 1 != it)
1900                                         os << "\n ";
1901                                 else
1902                                         os << *it;
1903                         }
1904                         output_ert_inset(os, "\\end{" + name + "}",
1905                                        parent_context);
1906                 } else {
1907                         string const lang =
1908                                 supported_CJK_languages[where - supported_CJK_encodings];
1909                         // store the language because we must reset it at the end
1910                         string const lang_old = parent_context.font.language;
1911                         parent_context.font.language = lang;
1912                         parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1913                         parent_context.font.language = lang_old;
1914                         parent_context.new_paragraph(os);
1915                 }
1916                 p.setEncoding(encoding_old);
1917                 p.skip_spaces();
1918         }
1919
1920         else if (name == "lyxgreyedout") {
1921                 eat_whitespace(p, os, parent_context, false);
1922                 parent_context.check_layout(os);
1923                 begin_inset(os, "Note Greyedout\n");
1924                 os << "status open\n";
1925                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1926                 end_inset(os);
1927                 p.skip_spaces();
1928                 if (!preamble.notefontcolor().empty())
1929                         preamble.registerAutomaticallyLoadedPackage("color");
1930         }
1931
1932         else if (name == "btSect") {
1933                 eat_whitespace(p, os, parent_context, false);
1934                 parent_context.check_layout(os);
1935                 begin_command_inset(os, "bibtex", "bibtex");
1936                 string bibstyle = "plain";
1937                 if (p.hasOpt()) {
1938                         bibstyle = p.getArg('[', ']');
1939                         p.skip_spaces(true);
1940                 }
1941                 string const bibfile = p.getArg('{', '}');
1942                 eat_whitespace(p, os, parent_context, false);
1943                 Token t = p.get_token();
1944                 if (t.asInput() == "\\btPrintCited") {
1945                         p.skip_spaces(true);
1946                         os << "btprint " << '"' << "btPrintCited" << '"' << "\n";
1947                 }
1948                 if (t.asInput() == "\\btPrintNotCited") {
1949                         p.skip_spaces(true);
1950                         os << "btprint " << '"' << "btPrintNotCited" << '"' << "\n";
1951                 }
1952                 if (t.asInput() == "\\btPrintAll") {
1953                         p.skip_spaces(true);
1954                         os << "btprint " << '"' << "btPrintAll" << '"' << "\n";
1955                 }
1956                 os << "bibfiles " << '"' << bibfile << "\"\n"
1957                    << "options " << '"' << bibstyle << "\"\n";
1958                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
1959                 end_inset(os);
1960                 p.skip_spaces();
1961         }
1962
1963         else if (name == "btUnit") {
1964                 string const nt = p.next_next_token().cs();
1965                 // Do not attempt to overwrite a former diverging multibib.
1966                 // Those are output as ERT instead.
1967                 if ((nt == "part" || nt == "chapter"
1968                      || nt == "section" || nt == "subsection")
1969                    && (preamble.multibib().empty() || preamble.multibib() == nt)) {
1970                         parse_text(p, os, FLAG_END, outer, parent_context);
1971                         preamble.multibib(nt);
1972                 } else
1973                         parse_unknown_environment(p, name, os, FLAG_END, outer,
1974                                                   parent_context);
1975         }
1976
1977         else if (name == "framed" || name == "shaded") {
1978                 eat_whitespace(p, os, parent_context, false);
1979                 parse_outer_box(p, os, FLAG_END, outer, parent_context, name, "");
1980                 p.skip_spaces();
1981                 preamble.registerAutomaticallyLoadedPackage("framed");
1982         }
1983
1984         else if (name == "listing") {
1985                 minted_float = "float";
1986                 eat_whitespace(p, os, parent_context, false);
1987                 string const opt = p.hasOpt() ? p.getArg('[', ']') : string();
1988                 if (!opt.empty())
1989                         minted_float += "=" + opt;
1990                 // If something precedes \begin{minted}, we output it at the end
1991                 // as a caption, in order to keep it inside the listings inset.
1992                 eat_whitespace(p, os, parent_context, true);
1993                 p.pushPosition();
1994                 Token const & t = p.get_token();
1995                 p.skip_spaces(true);
1996                 string const envname = p.next_token().cat() == catBegin
1997                                                 ? p.getArg('{', '}') : string();
1998                 bool prologue = t.asInput() != "\\begin" || envname != "minted";
1999                 p.popPosition();
2000                 minted_float_has_caption = false;
2001                 string content = parse_text_snippet(p, FLAG_END, outer,
2002                                                     parent_context);
2003                 size_t i = content.find("\\begin_inset listings");
2004                 bool minted_env = i != string::npos;
2005                 string caption;
2006                 if (prologue) {
2007                         caption = content.substr(0, i);
2008                         content.erase(0, i);
2009                 }
2010                 parent_context.check_layout(os);
2011                 if (minted_env && minted_float_has_caption) {
2012                         eat_whitespace(p, os, parent_context, true);
2013                         os << content << "\n";
2014                         if (!caption.empty())
2015                                 os << caption << "\n";
2016                         os << "\n\\end_layout\n"; // close inner layout
2017                         end_inset(os);            // close caption inset
2018                         os << "\n\\end_layout\n"; // close outer layout
2019                 } else if (!caption.empty()) {
2020                         if (!minted_env) {
2021                                 begin_inset(os, "listings\n");
2022                                 os << "lstparams " << '"' << minted_float << '"' << '\n';
2023                                 os << "inline false\n";
2024                                 os << "status collapsed\n";
2025                         }
2026                         os << "\n\\begin_layout Plain Layout\n";
2027                         begin_inset(os, "Caption Standard\n");
2028                         Context newcontext(true, parent_context.textclass,
2029                                            0, 0, parent_context.font);
2030                         newcontext.check_layout(os);
2031                         os << caption << "\n";
2032                         newcontext.check_end_layout(os);
2033                         end_inset(os);
2034                         os << "\n\\end_layout\n";
2035                 } else if (content.empty()) {
2036                         begin_inset(os, "listings\n");
2037                         os << "lstparams " << '"' << minted_float << '"' << '\n';
2038                         os << "inline false\n";
2039                         os << "status collapsed\n";
2040                 } else {
2041                         os << content << "\n";
2042                 }
2043                 end_inset(os); // close listings inset
2044                 parent_context.check_end_layout(os);
2045                 parent_context.new_paragraph(os);
2046                 p.skip_spaces();
2047                 minted_float.clear();
2048                 minted_float_has_caption = false;
2049         }
2050
2051         else if (name == "lstlisting" || name == "minted") {
2052                 bool use_minted = name == "minted";
2053                 eat_whitespace(p, os, parent_context, false);
2054                 if (use_minted && minted_float.empty()) {
2055                         // look ahead for a bottom caption
2056                         p.pushPosition();
2057                         bool found_end_minted = false;
2058                         while (!found_end_minted && p.good()) {
2059                                 Token const & t = p.get_token();
2060                                 p.skip_spaces();
2061                                 string const envname =
2062                                         p.next_token().cat() == catBegin
2063                                                 ? p.getArg('{', '}') : string();
2064                                 found_end_minted = t.asInput() == "\\end"
2065                                                         && envname == "minted";
2066                         }
2067                         eat_whitespace(p, os, parent_context, true);
2068                         Token const & t = p.get_token();
2069                         p.skip_spaces(true);
2070                         if (t.asInput() == "\\lyxmintcaption") {
2071                                 string const pos = p.getArg('[', ']');
2072                                 if (pos == "b") {
2073                                         string const caption =
2074                                                 parse_text_snippet(p, FLAG_ITEM,
2075                                                         false, parent_context);
2076                                         minted_nonfloat_caption = "[b]" + caption;
2077                                         eat_whitespace(p, os, parent_context, true);
2078                                 }
2079                         }
2080                         p.popPosition();
2081                 }
2082                 parse_listings(p, os, parent_context, false, use_minted);
2083                 p.skip_spaces();
2084         }
2085
2086         else if (!parent_context.new_layout_allowed)
2087                 parse_unknown_environment(p, name, os, FLAG_END, outer,
2088                                           parent_context);
2089
2090         // Alignment and spacing settings
2091         // FIXME (bug xxxx): These settings can span multiple paragraphs and
2092         //                                       therefore are totally broken!
2093         // Note that \centering, \raggedright, and \raggedleft cannot be handled, as
2094         // they are commands not environments. They are furthermore switches that
2095         // can be ended by another switches, but also by commands like \footnote or
2096         // \parbox. So the only safe way is to leave them untouched.
2097         // However, we support the pseudo-environments
2098         // \begin{centering} ... \end{centering}
2099         // \begin{raggedright} ... \end{raggedright}
2100         // \begin{raggedleft} ... \end{raggedleft}
2101         // since they are used by LyX in floats (for spacing reasons)
2102         else if (name == "center" || name == "centering" ||
2103                  name == "flushleft" || name == "raggedright" ||
2104                  name == "flushright" || name == "raggedleft" ||
2105                  name == "singlespace" || name == "onehalfspace" ||
2106                  name == "doublespace" || name == "spacing") {
2107                 eat_whitespace(p, os, parent_context, false);
2108                 // We must begin a new paragraph if not already done
2109                 if (! parent_context.atParagraphStart()) {
2110                         parent_context.check_end_layout(os);
2111                         parent_context.new_paragraph(os);
2112                 }
2113                 if (name == "flushleft" || name == "raggedright")
2114                         parent_context.add_extra_stuff("\\align left\n");
2115                 else if (name == "flushright" || name == "raggedleft")
2116                         parent_context.add_extra_stuff("\\align right\n");
2117                 else if (name == "center" || name == "centering")
2118                         parent_context.add_extra_stuff("\\align center\n");
2119                 else if (name == "singlespace")
2120                         parent_context.add_extra_stuff("\\paragraph_spacing single\n");
2121                 else if (name == "onehalfspace") {
2122                         parent_context.add_extra_stuff("\\paragraph_spacing onehalf\n");
2123                         preamble.registerAutomaticallyLoadedPackage("setspace");
2124                 } else if (name == "doublespace") {
2125                         parent_context.add_extra_stuff("\\paragraph_spacing double\n");
2126                         preamble.registerAutomaticallyLoadedPackage("setspace");
2127                 } else if (name == "spacing") {
2128                         parent_context.add_extra_stuff("\\paragraph_spacing other " + p.verbatim_item() + "\n");
2129                         preamble.registerAutomaticallyLoadedPackage("setspace");
2130                 }
2131                 parse_text(p, os, FLAG_END, outer, parent_context);
2132                 // Just in case the environment is empty
2133                 parent_context.extra_stuff.erase();
2134                 // We must begin a new paragraph to reset the alignment
2135                 parent_context.new_paragraph(os);
2136                 p.skip_spaces();
2137         }
2138
2139         // The single '=' is meant here.
2140         else if ((newlayout = findLayout(parent_context.textclass, name, false))) {
2141                 eat_whitespace(p, os, parent_context, false);
2142                 Context context(true, parent_context.textclass, newlayout,
2143                                 parent_context.layout, parent_context.font);
2144                 if (parent_context.deeper_paragraph) {
2145                         // We are beginning a nested environment after a
2146                         // deeper paragraph inside the outer list environment.
2147                         // Therefore we don't need to output a "begin deeper".
2148                         context.need_end_deeper = true;
2149                 }
2150                 parent_context.check_end_layout(os);
2151                 if (last_env == name) {
2152                         // we need to output a separator since LyX would export
2153                         // the two environments as one otherwise (bug 5716)
2154                         TeX2LyXDocClass const & textclass(parent_context.textclass);
2155                         Context newcontext(true, textclass,
2156                                         &(textclass.defaultLayout()));
2157                         newcontext.check_layout(os);
2158                         begin_inset(os, "Separator plain\n");
2159                         end_inset(os);
2160                         newcontext.check_end_layout(os);
2161                 }
2162                 switch (context.layout->latextype) {
2163                 case  LATEX_LIST_ENVIRONMENT:
2164                         context.add_par_extra_stuff("\\labelwidthstring "
2165                                                     + p.verbatim_item() + '\n');
2166                         p.skip_spaces();
2167                         break;
2168                 case  LATEX_BIB_ENVIRONMENT:
2169                         p.verbatim_item(); // swallow next arg
2170                         p.skip_spaces();
2171                         break;
2172                 default:
2173                         break;
2174                 }
2175                 context.check_deeper(os);
2176                 if (newlayout->keepempty) {
2177                         // We need to start a new paragraph
2178                         // even if it is empty.
2179                         context.new_paragraph(os);
2180                         context.check_layout(os);
2181                 }
2182                 // handle known optional and required arguments
2183                 if (context.layout->latextype == LATEX_ENVIRONMENT)
2184                         output_arguments(os, p, outer, false, string(), context,
2185                                          context.layout->latexargs());
2186                 else if (context.layout->latextype == LATEX_ITEM_ENVIRONMENT) {
2187                         ostringstream oss;
2188                         output_arguments(oss, p, outer, false, string(), context,
2189                                          context.layout->latexargs());
2190                         context.list_extra_stuff = oss.str();
2191                 }
2192                 parse_text(p, os, FLAG_END, outer, context);
2193                 if (context.layout->latextype == LATEX_ENVIRONMENT)
2194                         output_arguments(os, p, outer, false, "post", context,
2195                                          context.layout->postcommandargs());
2196                 context.check_end_layout(os);
2197                 if (parent_context.deeper_paragraph) {
2198                         // We must suppress the "end deeper" because we
2199                         // suppressed the "begin deeper" above.
2200                         context.need_end_deeper = false;
2201                 }
2202                 context.check_end_deeper(os);
2203                 parent_context.new_paragraph(os);
2204                 p.skip_spaces();
2205                 if (!preamble.titleLayoutFound())
2206                         preamble.titleLayoutFound(newlayout->intitle);
2207                 set<string> const & req = newlayout->requires();
2208                 set<string>::const_iterator it = req.begin();
2209                 set<string>::const_iterator en = req.end();
2210                 for (; it != en; ++it)
2211                         preamble.registerAutomaticallyLoadedPackage(*it);
2212         }
2213
2214         // The single '=' is meant here.
2215         else if ((newinsetlayout = findInsetLayout(parent_context.textclass, name, false))) {
2216                 eat_whitespace(p, os, parent_context, false);
2217                 parent_context.check_layout(os);
2218                 begin_inset(os, "Flex ");
2219                 os << to_utf8(newinsetlayout->name()) << '\n'
2220                    << "status collapsed\n";
2221                 if (newinsetlayout->isPassThru()) {
2222                         string const arg = p.verbatimEnvironment(name);
2223                         Context context(true, parent_context.textclass,
2224                                         &parent_context.textclass.plainLayout(),
2225                                         parent_context.layout);
2226                         output_ert(os, arg, parent_context);
2227                 } else
2228                         parse_text_in_inset(p, os, FLAG_END, false, parent_context, newinsetlayout);
2229                 end_inset(os);
2230         }
2231
2232         else if (name == "appendix") {
2233                 // This is no good latex style, but it works and is used in some documents...
2234                 eat_whitespace(p, os, parent_context, false);
2235                 parent_context.check_end_layout(os);
2236                 Context context(true, parent_context.textclass, parent_context.layout,
2237                                 parent_context.layout, parent_context.font);
2238                 context.check_layout(os);
2239                 os << "\\start_of_appendix\n";
2240                 parse_text(p, os, FLAG_END, outer, context);
2241                 context.check_end_layout(os);
2242                 p.skip_spaces();
2243         }
2244
2245         else if (known_environments.find(name) != known_environments.end()) {
2246                 vector<ArgumentType> arguments = known_environments[name];
2247                 // The last "argument" denotes wether we may translate the
2248                 // environment contents to LyX
2249                 // The default required if no argument is given makes us
2250                 // compatible with the reLyXre environment.
2251                 ArgumentType contents = arguments.empty() ?
2252                         required :
2253                         arguments.back();
2254                 if (!arguments.empty())
2255                         arguments.pop_back();
2256                 // See comment in parse_unknown_environment()
2257                 bool const specialfont =
2258                         (parent_context.font != parent_context.normalfont);
2259                 bool const new_layout_allowed =
2260                         parent_context.new_layout_allowed;
2261                 if (specialfont)
2262                         parent_context.new_layout_allowed = false;
2263                 parse_arguments("\\begin{" + name + "}", arguments, p, os,
2264                                 outer, parent_context);
2265                 if (contents == verbatim)
2266                         output_ert_inset(os, p.ertEnvironment(name),
2267                                    parent_context);
2268                 else
2269                         parse_text_snippet(p, os, FLAG_END, outer,
2270                                            parent_context);
2271                 output_ert_inset(os, "\\end{" + name + "}", parent_context);
2272                 if (specialfont)
2273                         parent_context.new_layout_allowed = new_layout_allowed;
2274         }
2275
2276         else
2277                 parse_unknown_environment(p, name, os, FLAG_END, outer,
2278                                           parent_context);
2279
2280         last_env = name;
2281         active_environments.pop_back();
2282 }
2283
2284
2285 /// parses a comment and outputs it to \p os.
2286 void parse_comment(Parser & p, ostream & os, Token const & t, Context & context)
2287 {
2288         LASSERT(t.cat() == catComment, return);
2289         if (!t.cs().empty()) {
2290                 context.check_layout(os);
2291                 output_comment(p, os, t.cs(), context);
2292                 if (p.next_token().cat() == catNewline) {
2293                         // A newline after a comment line starts a new
2294                         // paragraph
2295                         if (context.new_layout_allowed) {
2296                                 if(!context.atParagraphStart())
2297                                         // Only start a new paragraph if not already
2298                                         // done (we might get called recursively)
2299                                         context.new_paragraph(os);
2300                         } else
2301                                 output_ert_inset(os, "\n", context);
2302                         eat_whitespace(p, os, context, true);
2303                 }
2304         } else {
2305                 // "%\n" combination
2306                 p.skip_spaces();
2307         }
2308 }
2309
2310
2311 /*!
2312  * Reads spaces and comments until the first non-space, non-comment token.
2313  * New paragraphs (double newlines or \\par) are handled like simple spaces
2314  * if \p eatParagraph is true.
2315  * Spaces are skipped, but comments are written to \p os.
2316  */
2317 void eat_whitespace(Parser & p, ostream & os, Context & context,
2318                     bool eatParagraph)
2319 {
2320         while (p.good()) {
2321                 Token const & t = p.get_token();
2322                 if (t.cat() == catComment)
2323                         parse_comment(p, os, t, context);
2324                 else if ((! eatParagraph && p.isParagraph()) ||
2325                          (t.cat() != catSpace && t.cat() != catNewline)) {
2326                         p.putback();
2327                         return;
2328                 }
2329         }
2330 }
2331
2332
2333 /*!
2334  * Set a font attribute, parse text and reset the font attribute.
2335  * \param attribute Attribute name (e.g. \\family, \\shape etc.)
2336  * \param currentvalue Current value of the attribute. Is set to the new
2337  * value during parsing.
2338  * \param newvalue New value of the attribute
2339  */
2340 void parse_text_attributes(Parser & p, ostream & os, unsigned flags, bool outer,
2341                            Context & context, string const & attribute,
2342                            string & currentvalue, string const & newvalue)
2343 {
2344         context.check_layout(os);
2345         string const oldvalue = currentvalue;
2346         currentvalue = newvalue;
2347         os << '\n' << attribute << ' ' << newvalue << "\n";
2348         parse_text_snippet(p, os, flags, outer, context);
2349         context.check_layout(os);
2350         os << '\n' << attribute << ' ' << oldvalue << "\n";
2351         currentvalue = oldvalue;
2352 }
2353
2354
2355 /// get the arguments of a natbib or jurabib citation command
2356 void get_cite_arguments(Parser & p, bool natbibOrder,
2357         string & before, string & after, bool const qualified = false)
2358 {
2359         // We need to distinguish "" and "[]", so we can't use p.getOpt().
2360
2361         // text before the citation
2362         before.clear();
2363         // text after the citation
2364         after = qualified ? p.getFullOpt(false, '(', ')') : p.getFullOpt();
2365
2366         if (!after.empty()) {
2367                 before = qualified ? p.getFullOpt(false, '(', ')') : p.getFullOpt();
2368                 if (natbibOrder && !before.empty())
2369                         swap(before, after);
2370         }
2371 }
2372
2373
2374 void copy_file(FileName const & src, string dstname)
2375 {
2376         if (!copyFiles())
2377                 return;
2378         string const absParent = getParentFilePath(false);
2379         FileName dst;
2380         if (FileName::isAbsolute(dstname))
2381                 dst = FileName(dstname);
2382         else
2383                 dst = makeAbsPath(dstname, absParent);
2384         FileName const srcpath = src.onlyPath();
2385         FileName const dstpath = dst.onlyPath();
2386         if (equivalent(srcpath, dstpath))
2387                 return;
2388         if (!dstpath.isDirectory()) {
2389                 if (!dstpath.createPath()) {
2390                         cerr << "Warning: Could not create directory for file `"
2391                              << dst.absFileName() << "´." << endl;
2392                         return;
2393                 }
2394         }
2395         if (dst.isReadableFile()) {
2396                 if (overwriteFiles())
2397                         cerr << "Warning: Overwriting existing file `"
2398                              << dst.absFileName() << "´." << endl;
2399                 else {
2400                         cerr << "Warning: Not overwriting existing file `"
2401                              << dst.absFileName() << "´." << endl;
2402                         return;
2403                 }
2404         }
2405         if (!src.copyTo(dst))
2406                 cerr << "Warning: Could not copy file `" << src.absFileName()
2407                      << "´ to `" << dst.absFileName() << "´." << endl;
2408 }
2409
2410
2411 /// Parse a literate Chunk section. The initial "<<" is already parsed.
2412 bool parse_chunk(Parser & p, ostream & os, Context & context)
2413 {
2414         // check whether a chunk is possible here.
2415         if (!context.textclass.hasInsetLayout(from_ascii("Flex:Chunk"))) {
2416                 return false;
2417         }
2418
2419         p.pushPosition();
2420
2421         // read the parameters
2422         Parser::Arg const params = p.verbatimStuff(">>=\n", false);
2423         if (!params.first) {
2424                 p.popPosition();
2425                 return false;
2426         }
2427
2428         Parser::Arg const code = p.verbatimStuff("\n@");
2429         if (!code.first) {
2430                 p.popPosition();
2431                 return false;
2432         }
2433         string const post_chunk = p.verbatimStuff("\n").second + '\n';
2434         if (post_chunk[0] != ' ' && post_chunk[0] != '\n') {
2435                 p.popPosition();
2436                 return false;
2437         }
2438         // The last newline read is important for paragraph handling
2439         p.putback();
2440         p.deparse();
2441
2442         //cerr << "params=[" << params.second << "], code=[" << code.second << "]" <<endl;
2443         // We must have a valid layout before outputting the Chunk inset.
2444         context.check_layout(os);
2445         Context chunkcontext(true, context.textclass);
2446         chunkcontext.layout = &context.textclass.plainLayout();
2447         begin_inset(os, "Flex Chunk");
2448         os << "\nstatus open\n";
2449         if (!params.second.empty()) {
2450                 chunkcontext.check_layout(os);
2451                 Context paramscontext(true, context.textclass);
2452                 paramscontext.layout = &context.textclass.plainLayout();
2453                 begin_inset(os, "Argument 1");
2454                 os << "\nstatus open\n";
2455                 output_ert(os, params.second, paramscontext);
2456                 end_inset(os);
2457         }
2458         output_ert(os, code.second, chunkcontext);
2459         end_inset(os);
2460
2461         p.dropPosition();
2462         return true;
2463 }
2464
2465
2466 /// detects \\def, \\long\\def and \\global\\long\\def with ws and comments
2467 bool is_macro(Parser & p)
2468 {
2469         Token first = p.curr_token();
2470         if (first.cat() != catEscape || !p.good())
2471                 return false;
2472         if (first.cs() == "def")
2473                 return true;
2474         if (first.cs() != "global" && first.cs() != "long")
2475                 return false;
2476         Token second = p.get_token();
2477         int pos = 1;
2478         while (p.good() && !p.isParagraph() && (second.cat() == catSpace ||
2479                second.cat() == catNewline || second.cat() == catComment)) {
2480                 second = p.get_token();
2481                 pos++;
2482         }
2483         bool secondvalid = second.cat() == catEscape;
2484         Token third;
2485         bool thirdvalid = false;
2486         if (p.good() && first.cs() == "global" && secondvalid &&
2487             second.cs() == "long") {
2488                 third = p.get_token();
2489                 pos++;
2490                 while (p.good() && !p.isParagraph() &&
2491                        (third.cat() == catSpace ||
2492                         third.cat() == catNewline ||
2493                         third.cat() == catComment)) {
2494                         third = p.get_token();
2495                         pos++;
2496                 }
2497                 thirdvalid = third.cat() == catEscape;
2498         }
2499         for (int i = 0; i < pos; ++i)
2500                 p.putback();
2501         if (!secondvalid)
2502                 return false;
2503         if (!thirdvalid)
2504                 return (first.cs() == "global" || first.cs() == "long") &&
2505                        second.cs() == "def";
2506         return first.cs() == "global" && second.cs() == "long" &&
2507                third.cs() == "def";
2508 }
2509
2510
2511 /// Parse a macro definition (assumes that is_macro() returned true)
2512 void parse_macro(Parser & p, ostream & os, Context & context)
2513 {
2514         context.check_layout(os);
2515         Token first = p.curr_token();
2516         Token second;
2517         Token third;
2518         string command = first.asInput();
2519         if (first.cs() != "def") {
2520                 p.get_token();
2521                 eat_whitespace(p, os, context, false);
2522                 second = p.curr_token();
2523                 command += second.asInput();
2524                 if (second.cs() != "def") {
2525                         p.get_token();
2526                         eat_whitespace(p, os, context, false);
2527                         third = p.curr_token();
2528                         command += third.asInput();
2529                 }
2530         }
2531         eat_whitespace(p, os, context, false);
2532         string const name = p.get_token().cs();
2533         eat_whitespace(p, os, context, false);
2534
2535         // parameter text
2536         bool simple = true;
2537         string paramtext;
2538         int arity = 0;
2539         while (p.next_token().cat() != catBegin) {
2540                 if (p.next_token().cat() == catParameter) {
2541                         // # found
2542                         p.get_token();
2543                         paramtext += "#";
2544
2545                         // followed by number?
2546                         if (p.next_token().cat() == catOther) {
2547                                 string s = p.get_token().asInput();
2548                                 paramtext += s;
2549                                 // number = current arity + 1?
2550                                 if (s.size() == 1 && s[0] == arity + '0' + 1)
2551                                         ++arity;
2552                                 else
2553                                         simple = false;
2554                         } else
2555                                 paramtext += p.get_token().cs();
2556                 } else {
2557                         paramtext += p.get_token().cs();
2558                         simple = false;
2559                 }
2560         }
2561
2562         // only output simple (i.e. compatible) macro as FormulaMacros
2563         string ert = '\\' + name + ' ' + paramtext + '{' + p.verbatim_item() + '}';
2564         if (simple) {
2565                 context.check_layout(os);
2566                 begin_inset(os, "FormulaMacro");
2567                 os << "\n\\def" << ert;
2568                 end_inset(os);
2569         } else
2570                 output_ert_inset(os, command + ert, context);
2571 }
2572
2573
2574 void registerExternalTemplatePackages(string const & name)
2575 {
2576         external::TemplateManager const & etm = external::TemplateManager::get();
2577         external::Template const * const et = etm.getTemplateByName(name);
2578         if (!et)
2579                 return;
2580         external::Template::Formats::const_iterator cit = et->formats.end();
2581         if (pdflatex)
2582                 cit = et->formats.find("PDFLaTeX");
2583         if (cit == et->formats.end())
2584                 // If the template has not specified a PDFLaTeX output,
2585                 // we try the LaTeX format.
2586                 cit = et->formats.find("LaTeX");
2587         if (cit == et->formats.end())
2588                 return;
2589         vector<string>::const_iterator qit = cit->second.requirements.begin();
2590         vector<string>::const_iterator qend = cit->second.requirements.end();
2591         for (; qit != qend; ++qit)
2592                 preamble.registerAutomaticallyLoadedPackage(*qit);
2593 }
2594
2595 } // anonymous namespace
2596
2597
2598 /*!
2599  * Find a file with basename \p name in path \p path and an extension
2600  * in \p extensions.
2601  */
2602 string find_file(string const & name, string const & path,
2603                  char const * const * extensions)
2604 {
2605         for (char const * const * what = extensions; *what; ++what) {
2606                 string const trial = addExtension(name, *what);
2607                 if (makeAbsPath(trial, path).exists())
2608                         return trial;
2609         }
2610         return string();
2611 }
2612
2613
2614 /// Convert filenames with TeX macros and/or quotes to something LyX
2615 /// can understand
2616 string const normalize_filename(string const & name)
2617 {
2618         Parser p(name);
2619         ostringstream os;
2620         while (p.good()) {
2621                 Token const & t = p.get_token();
2622                 if (t.cat() != catEscape)
2623                         os << t.asInput();
2624                 else if (t.cs() == "lyxdot") {
2625                         // This is used by LyX for simple dots in relative
2626                         // names
2627                         os << '.';
2628                         p.skip_spaces();
2629                 } else if (t.cs() == "space") {
2630                         os << ' ';
2631                         p.skip_spaces();
2632                 } else if (t.cs() == "string") {
2633                         // Convert \string" to " and \string~ to ~
2634                         Token const & n = p.next_token();
2635                         if (n.asInput() != "\"" && n.asInput() != "~")
2636                                 os << t.asInput();
2637                 } else
2638                         os << t.asInput();
2639         }
2640         // Strip quotes. This is a bit complicated (see latex_path()).
2641         string full = os.str();
2642         if (!full.empty() && full[0] == '"') {
2643                 string base = removeExtension(full);
2644                 string ext = getExtension(full);
2645                 if (!base.empty() && base[base.length()-1] == '"')
2646                         // "a b"
2647                         // "a b".tex
2648                         return addExtension(trim(base, "\""), ext);
2649                 if (full[full.length()-1] == '"')
2650                         // "a b.c"
2651                         // "a b.c".tex
2652                         return trim(full, "\"");
2653         }
2654         return full;
2655 }
2656
2657
2658 /// Convert \p name from TeX convention (relative to master file) to LyX
2659 /// convention (relative to .lyx file) if it is relative
2660 void fix_child_filename(string & name)
2661 {
2662         string const absMasterTeX = getMasterFilePath(true);
2663         bool const isabs = FileName::isAbsolute(name);
2664         // convert from "relative to .tex master" to absolute original path
2665         if (!isabs)
2666                 name = makeAbsPath(name, absMasterTeX).absFileName();
2667         bool copyfile = copyFiles();
2668         string const absParentLyX = getParentFilePath(false);
2669         string abs = name;
2670         if (copyfile) {
2671                 // convert from absolute original path to "relative to master file"
2672                 string const rel = to_utf8(makeRelPath(from_utf8(name),
2673                                                        from_utf8(absMasterTeX)));
2674                 // re-interpret "relative to .tex file" as "relative to .lyx file"
2675                 // (is different if the master .lyx file resides in a
2676                 // different path than the master .tex file)
2677                 string const absMasterLyX = getMasterFilePath(false);
2678                 abs = makeAbsPath(rel, absMasterLyX).absFileName();
2679                 // Do not copy if the new path is impossible to create. Example:
2680                 // absMasterTeX = "/foo/bar/"
2681                 // absMasterLyX = "/bar/"
2682                 // name = "/baz.eps" => new absolute name would be "/../baz.eps"
2683                 if (contains(name, "/../"))
2684                         copyfile = false;
2685         }
2686         if (copyfile) {
2687                 if (isabs)
2688                         name = abs;
2689                 else {
2690                         // convert from absolute original path to
2691                         // "relative to .lyx file"
2692                         name = to_utf8(makeRelPath(from_utf8(abs),
2693                                                    from_utf8(absParentLyX)));
2694                 }
2695         }
2696         else if (!isabs) {
2697                 // convert from absolute original path to "relative to .lyx file"
2698                 name = to_utf8(makeRelPath(from_utf8(name),
2699                                            from_utf8(absParentLyX)));
2700         }
2701 }
2702
2703
2704 void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
2705                 Context & context, string const rdelim)
2706 {
2707         Layout const * newlayout = 0;
2708         InsetLayout const * newinsetlayout = 0;
2709         char const * const * where = 0;
2710         // Store the latest bibliographystyle, addcontentslineContent and
2711         // nocite{*} option (needed for bibtex inset)
2712         string btprint;
2713         string contentslineContent;
2714         // Some classes provide a \bibliographystyle, so do not output
2715         // any if none is explicitly set.
2716         string bibliographystyle;
2717         bool const use_natbib = isProvided("natbib");
2718         bool const use_jurabib = isProvided("jurabib");
2719         bool const use_biblatex = isProvided("biblatex")
2720                         && preamble.citeEngine() != "biblatex-natbib";
2721         bool const use_biblatex_natbib = isProvided("biblatex-natbib")
2722                         || (isProvided("biblatex") && preamble.citeEngine() == "biblatex-natbib");
2723         need_commentbib = use_biblatex || use_biblatex_natbib;
2724         string last_env;
2725
2726         // it is impossible to determine the correct encoding for non-CJK Japanese.
2727         // Therefore write a note at the beginning of the document
2728         if (is_nonCJKJapanese) {
2729                 context.check_layout(os);
2730                 begin_inset(os, "Note Note\n");
2731                 os << "status open\n\\begin_layout Plain Layout\n"
2732                    << "\\series bold\n"
2733                    << "Important information:\n"
2734                    << "\\end_layout\n\n"
2735                    << "\\begin_layout Plain Layout\n"
2736                    << "The original LaTeX source for this document is in Japanese (pLaTeX).\n"
2737                    << " It was therefore impossible for tex2lyx to determine the correct encoding.\n"
2738                    << " The iconv encoding " << p.getEncoding() << " was used.\n"
2739                    << " If this is incorrect, you must run the tex2lyx program on the command line\n"
2740                    << " and specify the encoding using the -e command-line switch.\n"
2741                    << " In addition, you might want to double check that the desired output encoding\n"
2742                    << " is correctly selected in Document > Settings > Language.\n"
2743                    << "\\end_layout\n";
2744                 end_inset(os);
2745                 is_nonCJKJapanese = false;
2746         }
2747
2748         bool have_cycled = false;
2749         while (p.good()) {
2750                 // Leave here only after at least one cycle
2751                 if (have_cycled && flags & FLAG_LEAVE) {
2752                         flags &= ~FLAG_LEAVE;
2753                         break;
2754                 }
2755
2756                 Token const & t = p.get_token();
2757 #ifdef FILEDEBUG
2758                 debugToken(cerr, t, flags);
2759 #endif
2760
2761                 if (flags & FLAG_ITEM) {
2762                         if (t.cat() == catSpace)
2763                                 continue;
2764
2765                         flags &= ~FLAG_ITEM;
2766                         if (t.cat() == catBegin) {
2767                                 // skip the brace and collect everything to the next matching
2768                                 // closing brace
2769                                 flags |= FLAG_BRACE_LAST;
2770                                 continue;
2771                         }
2772
2773                         // handle only this single token, leave the loop if done
2774                         flags |= FLAG_LEAVE;
2775                 }
2776
2777                 if (t.cat() != catEscape && t.character() == ']' &&
2778                     (flags & FLAG_BRACK_LAST))
2779                         return;
2780                 if (t.cat() == catEnd && (flags & FLAG_BRACE_LAST))
2781                         return;
2782                 string tok = t.asInput();
2783                 // we only support delimiters with max 2 chars for now.
2784                 if (rdelim.size() > 1)
2785                         tok += p.next_token().asInput();
2786                 if (t.cat() != catEscape && !rdelim.empty()
2787                     && tok == rdelim && (flags & FLAG_RDELIM)) {
2788                         if (rdelim.size() > 1)
2789                                 p.get_token(); // eat rdelim
2790                         return;
2791                 }
2792
2793                 // If there is anything between \end{env} and \begin{env} we
2794                 // don't need to output a separator.
2795                 if (t.cat() != catSpace && t.cat() != catNewline &&
2796                     t.asInput() != "\\begin")
2797                         last_env = "";
2798
2799                 //
2800                 // cat codes
2801                 //
2802                 have_cycled = true;
2803                 bool const starred = p.next_token().asInput() == "*";
2804                 string const starredname(starred ? (t.cs() + '*') : t.cs());
2805                 if (t.cat() == catMath) {
2806                         // we are inside some text mode thingy, so opening new math is allowed
2807                         context.check_layout(os);
2808                         begin_inset(os, "Formula ");
2809                         Token const & n = p.get_token();
2810                         bool const display(n.cat() == catMath && outer);
2811                         if (display) {
2812                                 // TeX's $$...$$ syntax for displayed math
2813                                 os << "\\[";
2814                                 parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
2815                                 os << "\\]";
2816                                 p.get_token(); // skip the second '$' token
2817                         } else {
2818                                 // simple $...$  stuff
2819                                 p.putback();
2820                                 os << '$';
2821                                 parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
2822                                 os << '$';
2823                         }
2824                         end_inset(os);
2825                         if (display) {
2826                                 // Prevent the conversion of a line break to a
2827                                 // space (bug 7668). This does not change the
2828                                 // output, but looks ugly in LyX.
2829                                 eat_whitespace(p, os, context, false);
2830                         }
2831                         continue;
2832                 }
2833
2834                 if (t.cat() == catSuper || t.cat() == catSub) {
2835                         cerr << "catcode " << t << " illegal in text mode\n";
2836                         continue;
2837                 }
2838
2839                 // Basic support for quotes. We try to disambiguate
2840                 // quotes from the context (e.g., a left english quote is
2841                 // the same as a right german quote...).
2842                 // Try to make a smart guess about the side
2843                 Token const prev = p.prev_token();
2844                 bool const opening = (prev.cat() != catSpace && prev.character() != 0
2845                                 && prev.character() != '\n' && prev.character() != '~');
2846                 if (t.asInput() == "`" && p.next_token().asInput() == "`") {
2847                         context.check_layout(os);
2848                         begin_inset(os, "Quotes ");
2849                         os << guessQuoteStyle("eld", opening);
2850                         end_inset(os);
2851                         p.get_token();
2852                         skip_braces(p);
2853                         continue;
2854                 }
2855                 if (t.asInput() == "'" && p.next_token().asInput() == "'") {
2856                         context.check_layout(os);
2857                         begin_inset(os, "Quotes ");
2858                         os << guessQuoteStyle("erd", opening);
2859                         end_inset(os);
2860                         p.get_token();
2861                         skip_braces(p);
2862                         continue;
2863                 }
2864
2865                 if (t.asInput() == ">" && p.next_token().asInput() == ">") {
2866                         context.check_layout(os);
2867                         begin_inset(os, "Quotes ");
2868                         os << guessQuoteStyle("ald", opening);
2869                         end_inset(os);
2870                         p.get_token();
2871                         skip_braces(p);
2872                         continue;
2873                 }
2874
2875                 if (t.asInput() == "<"
2876                          && p.next_token().asInput() == "<") {
2877                         bool has_chunk = false;
2878                         if (noweb_mode) {
2879                                 p.pushPosition();
2880                                 p.get_token();
2881                                 has_chunk = parse_chunk(p, os, context);
2882                                 if (!has_chunk)
2883                                         p.popPosition();
2884                         }
2885
2886                         if (!has_chunk) {
2887                                 context.check_layout(os);
2888                                 begin_inset(os, "Quotes ");
2889                                 os << guessQuoteStyle("ard", opening);
2890                                 end_inset(os);
2891                                 p.get_token();
2892                                 skip_braces(p);
2893                         }
2894                         continue;
2895                 }
2896
2897                 if (t.cat() == catSpace || (t.cat() == catNewline && ! p.isParagraph())) {
2898                         check_space(p, os, context);
2899                         continue;
2900                 }
2901
2902                 // babel shorthands (also used by polyglossia)
2903                 // Since these can have different meanings for different languages
2904                 // we import them as ERT (but they must be put in ERT to get output
2905                 // verbatim).
2906                 if (t.asInput() == "\"") {
2907                         string s = "\"";
2908                         // These are known pairs. We put them together in
2909                         // one ERT inset. In other cases (such as "a), only
2910                         // the quotation mark is ERTed.
2911                         if (p.next_token().asInput() == "\""
2912                             || p.next_token().asInput() == "|"
2913                             || p.next_token().asInput() == "-"
2914                             || p.next_token().asInput() == "~"
2915                             || p.next_token().asInput() == "="
2916                             || p.next_token().asInput() == "/"
2917                             || p.next_token().asInput() == "~"
2918                             || p.next_token().asInput() == "'"
2919                             || p.next_token().asInput() == "`"
2920                             || p.next_token().asInput() == "<"
2921                             || p.next_token().asInput() == ">") {
2922                                 s += p.next_token().asInput();
2923                                 p.get_token();
2924                         }
2925                         output_ert_inset(os, s, context);
2926                         continue;
2927                 }
2928
2929                 if (t.character() == '[' && noweb_mode &&
2930                          p.next_token().character() == '[') {
2931                         // These can contain underscores
2932                         p.putback();
2933                         string const s = p.getFullOpt() + ']';
2934                         if (p.next_token().character() == ']')
2935                                 p.get_token();
2936                         else
2937                                 cerr << "Warning: Inserting missing ']' in '"
2938                                      << s << "'." << endl;
2939                         output_ert_inset(os, s, context);
2940                         continue;
2941                 }
2942
2943                 if (t.cat() == catLetter) {
2944                         context.check_layout(os);
2945                         os << t.cs();
2946                         continue;
2947                 }
2948
2949                 if (t.cat() == catOther ||
2950                                t.cat() == catAlign ||
2951                                t.cat() == catParameter) {
2952                         context.check_layout(os);
2953                         if (t.asInput() == "-" && p.next_token().asInput() == "-" &&
2954                             context.merging_hyphens_allowed &&
2955                             context.font.family != "ttfamily" &&
2956                             !context.layout->pass_thru) {
2957                                 if (p.next_next_token().asInput() == "-") {
2958                                         // --- is emdash
2959                                         os << to_utf8(docstring(1, 0x2014));
2960                                         p.get_token();
2961                                 } else
2962                                         // -- is endash
2963                                         os << to_utf8(docstring(1, 0x2013));
2964                                 p.get_token();
2965                         } else
2966                                 // This translates "&" to "\\&" which may be wrong...
2967                                 os << t.cs();
2968                         continue;
2969                 }
2970
2971                 if (p.isParagraph()) {
2972                         // In minted floating listings we will collect
2973                         // everything into the caption, where multiple
2974                         // paragraphs are forbidden.
2975                         if (minted_float.empty()) {
2976                                 if (context.new_layout_allowed)
2977                                         context.new_paragraph(os);
2978                                 else
2979                                         output_ert_inset(os, "\\par ", context);
2980                         } else
2981                                 os << ' ';
2982                         eat_whitespace(p, os, context, true);
2983                         continue;
2984                 }
2985
2986                 if (t.cat() == catActive) {
2987                         context.check_layout(os);
2988                         if (t.character() == '~') {
2989                                 if (context.layout->free_spacing)
2990                                         os << ' ';
2991                                 else {
2992                                         begin_inset(os, "space ~\n");
2993                                         end_inset(os);
2994                                 }
2995                         } else
2996                                 os << t.cs();
2997                         continue;
2998                 }
2999
3000                 if (t.cat() == catBegin) {
3001                         Token const next = p.next_token();
3002                         Token const end = p.next_next_token();
3003                         if (next.cat() == catEnd) {
3004                                 // {}
3005                                 Token const prev = p.prev_token();
3006                                 p.get_token();
3007                                 if (p.next_token().character() == '`')
3008                                         ; // ignore it in {}``
3009                                 else
3010                                         output_ert_inset(os, "{}", context);
3011                         } else if (next.cat() == catEscape &&
3012                                    is_known(next.cs(), known_quotes) &&
3013                                    end.cat() == catEnd) {
3014                                 // Something like {\textquoteright} (e.g.
3015                                 // from writer2latex). We may skip the
3016                                 // braces here for better readability.
3017                                 parse_text_snippet(p, os, FLAG_BRACE_LAST,
3018                                                    outer, context);
3019                         } else if (p.next_token().asInput() == "\\ascii") {
3020                                 // handle the \ascii characters
3021                                 // (the case without braces is handled later)
3022                                 // the code is "{\ascii\xxx}"
3023                                 p.get_token(); // eat \ascii
3024                                 string name2 = p.get_token().asInput();
3025                                 p.get_token(); // eat the final '}'
3026                                 string const name = "{\\ascii" + name2 + "}";
3027                                 bool termination;
3028                                 docstring rem;
3029                                 set<string> req;
3030                                 // get the character from unicodesymbols
3031                                 docstring s = encodings.fromLaTeXCommand(from_utf8(name),
3032                                         Encodings::TEXT_CMD, termination, rem, &req);
3033                                 if (!s.empty()) {
3034                                         context.check_layout(os);
3035                                         os << to_utf8(s);
3036                                         if (!rem.empty())
3037                                                 output_ert_inset(os,
3038                                                         to_utf8(rem), context);
3039                                         for (set<string>::const_iterator it = req.begin();
3040                                              it != req.end(); ++it)
3041                                                 preamble.registerAutomaticallyLoadedPackage(*it);
3042                                 } else
3043                                         // we did not find a non-ert version
3044                                         output_ert_inset(os, name, context);
3045                         } else {
3046                         context.check_layout(os);
3047                         // special handling of font attribute changes
3048                         Token const prev = p.prev_token();
3049                         TeXFont const oldFont = context.font;
3050                         if (next.character() == '[' ||
3051                             next.character() == ']' ||
3052                             next.character() == '*') {
3053                                 p.get_token();
3054                                 if (p.next_token().cat() == catEnd) {
3055                                         os << next.cs();
3056                                         p.get_token();
3057                                 } else {
3058                                         p.putback();
3059                                         output_ert_inset(os, "{", context);
3060                                         parse_text_snippet(p, os,
3061                                                         FLAG_BRACE_LAST,
3062                                                         outer, context);
3063                                         output_ert_inset(os, "}", context);
3064                                 }
3065                         } else if (! context.new_layout_allowed) {
3066                                 output_ert_inset(os, "{", context);
3067                                 parse_text_snippet(p, os, FLAG_BRACE_LAST,
3068                                                    outer, context);
3069                                 output_ert_inset(os, "}", context);
3070                         } else if (is_known(next.cs(), known_sizes)) {
3071                                 // next will change the size, so we must
3072                                 // reset it here
3073                                 parse_text_snippet(p, os, FLAG_BRACE_LAST,
3074                                                    outer, context);
3075                                 if (!context.atParagraphStart())
3076                                         os << "\n\\size "
3077                                            << context.font.size << "\n";
3078                         } else if (is_known(next.cs(), known_font_families)) {
3079                                 // next will change the font family, so we
3080                                 // must reset it here
3081                                 parse_text_snippet(p, os, FLAG_BRACE_LAST,
3082                                                    outer, context);
3083                                 if (!context.atParagraphStart())
3084                                         os << "\n\\family "
3085                                            << context.font.family << "\n";
3086                         } else if (is_known(next.cs(), known_font_series)) {
3087                                 // next will change the font series, so we
3088                                 // must reset it here
3089                                 parse_text_snippet(p, os, FLAG_BRACE_LAST,
3090                                                    outer, context);
3091                                 if (!context.atParagraphStart())
3092                                         os << "\n\\series "
3093                                            << context.font.series << "\n";
3094                         } else if (is_known(next.cs(), known_font_shapes)) {
3095                                 // next will change the font shape, so we
3096                                 // must reset it here
3097                                 parse_text_snippet(p, os, FLAG_BRACE_LAST,
3098                                                    outer, context);
3099                                 if (!context.atParagraphStart())
3100                                         os << "\n\\shape "
3101                                            << context.font.shape << "\n";
3102                         } else if (is_known(next.cs(), known_old_font_families) ||
3103                                    is_known(next.cs(), known_old_font_series) ||
3104                                    is_known(next.cs(), known_old_font_shapes)) {
3105                                 // next will change the font family, series
3106                                 // and shape, so we must reset it here
3107                                 parse_text_snippet(p, os, FLAG_BRACE_LAST,
3108                                                    outer, context);
3109                                 if (!context.atParagraphStart())
3110                                         os <<  "\n\\family "
3111                                            << context.font.family
3112                                            << "\n\\series "
3113                                            << context.font.series
3114                                            << "\n\\shape "
3115                                            << context.font.shape << "\n";
3116                         } else {
3117                                 output_ert_inset(os, "{", context);
3118                                 parse_text_snippet(p, os, FLAG_BRACE_LAST,
3119                                                    outer, context);
3120                                 output_ert_inset(os, "}", context);
3121                                 }
3122                         }
3123                         continue;
3124                 }
3125
3126                 if (t.cat() == catEnd) {
3127                         if (flags & FLAG_BRACE_LAST) {
3128                                 return;
3129                         }
3130                         cerr << "stray '}' in text\n";
3131                         output_ert_inset(os, "}", context);
3132                         continue;
3133                 }
3134
3135                 if (t.cat() == catComment) {
3136                         parse_comment(p, os, t, context);
3137                         continue;
3138                 }
3139
3140                 //
3141                 // control sequences
3142                 //
3143
3144                 if (t.cs() == "(" || t.cs() == "[") {
3145                         bool const simple = t.cs() == "(";
3146                         context.check_layout(os);
3147                         begin_inset(os, "Formula");
3148                         os << " \\" << t.cs();
3149                         parse_math(p, os, simple ? FLAG_SIMPLE2 : FLAG_EQUATION, MATH_MODE);
3150                         os << '\\' << (simple ? ')' : ']');
3151                         end_inset(os);
3152                         if (!simple) {
3153                                 // Prevent the conversion of a line break to a
3154                                 // space (bug 7668). This does not change the
3155                                 // output, but looks ugly in LyX.
3156                                 eat_whitespace(p, os, context, false);
3157                         }
3158                         continue;
3159                 }
3160
3161                 if (t.cs() == "begin") {
3162                         parse_environment(p, os, outer, last_env,
3163                                           context);
3164                         continue;
3165                 }
3166
3167                 if (t.cs() == "end") {
3168                         if (flags & FLAG_END) {
3169                                 // eat environment name
3170                                 string const name = p.getArg('{', '}');
3171                                 if (name != active_environment())
3172                                         cerr << "\\end{" + name + "} does not match \\begin{"
3173                                                 + active_environment() + "}\n";
3174                                 return;
3175                         }
3176                         p.error("found 'end' unexpectedly");
3177                         continue;
3178                 }
3179
3180                 // "item" by default, but could be something else
3181                 if (t.cs() == context.layout->itemcommand()) {
3182                         string s;
3183                         if (context.layout->labeltype == LABEL_MANUAL) {
3184                                 // FIXME: This swallows comments, but we cannot use
3185                                 //        eat_whitespace() since we must not output
3186                                 //        anything before the item.
3187                                 p.skip_spaces(true);
3188                                 s = p.verbatimOption();
3189                         } else
3190                                 p.skip_spaces(false);
3191                         context.set_item();
3192                         context.check_layout(os);
3193                         if (context.has_item) {
3194                                 // An item in an unknown list-like environment
3195                                 // FIXME: Do this in check_layout()!
3196                                 context.has_item = false;
3197                                 string item = "\\" + context.layout->itemcommand();
3198                                 if (!p.hasOpt())
3199                                         item += " ";
3200                                 output_ert_inset(os, item, context);
3201                         }
3202                         if (context.layout->labeltype != LABEL_MANUAL)
3203                                 output_arguments(os, p, outer, false, "item", context,
3204                                                  context.layout->itemargs());
3205                         if (!context.list_extra_stuff.empty()) {
3206                                 os << context.list_extra_stuff;
3207                                 context.list_extra_stuff.clear();
3208                         }
3209                         else if (!s.empty()) {
3210                                         // LyX adds braces around the argument,
3211                                         // so we need to remove them here.
3212                                         if (s.size() > 2 && s[0] == '{' &&
3213                                             s[s.size()-1] == '}')
3214                                                 s = s.substr(1, s.size()-2);
3215                                         // If the argument contains a space we
3216                                         // must put it into ERT: Otherwise LyX
3217                                         // would misinterpret the space as
3218                                         // item delimiter (bug 7663)
3219                                         if (contains(s, ' ')) {
3220                                                 output_ert_inset(os, s, context);
3221                                         } else {
3222                                                 Parser p2(s + ']');
3223                                                 os << parse_text_snippet(p2,
3224                                                         FLAG_BRACK_LAST, outer, context);
3225                                         }
3226                                         // The space is needed to separate the
3227                                         // item from the rest of the sentence.
3228                                         os << ' ';
3229                                         eat_whitespace(p, os, context, false);
3230                                 }
3231                         continue;
3232                 }
3233
3234                 if (t.cs() == "bibitem") {
3235                         context.set_item();
3236                         context.check_layout(os);
3237                         eat_whitespace(p, os, context, false);
3238                         string label = p.verbatimOption();
3239                         pair<bool, string> lbl = convert_latexed_command_inset_arg(label);
3240                         bool const literal = !lbl.first;
3241                         label = literal ? subst(label, "\n", " ") : lbl.second;
3242                         string lit = literal ? "\"true\"" : "\"false\"";
3243                         string key = convert_literate_command_inset_arg(p.verbatim_item());
3244                         begin_command_inset(os, "bibitem", "bibitem");
3245                         os << "label \"" << label << "\"\n"
3246                            << "key \"" << key << "\"\n"
3247                            << "literal " << lit << "\n";
3248                         end_inset(os);
3249                         continue;
3250                 }
3251
3252                 if (is_macro(p)) {
3253                         // catch the case of \def\inputGnumericTable
3254                         bool macro = true;
3255                         if (t.cs() == "def") {
3256                                 Token second = p.next_token();
3257                                 if (second.cs() == "inputGnumericTable") {
3258                                         p.pushPosition();
3259                                         p.get_token();
3260                                         skip_braces(p);
3261                                         Token third = p.get_token();
3262                                         p.popPosition();
3263                                         if (third.cs() == "input") {
3264                                                 p.get_token();
3265                                                 skip_braces(p);
3266                                                 p.get_token();
3267                                                 string name = normalize_filename(p.verbatim_item());
3268                                                 string const path = getMasterFilePath(true);
3269                                                 // We want to preserve relative / absolute filenames,
3270                                                 // therefore path is only used for testing
3271                                                 // The file extension is in every case ".tex".
3272                                                 // So we need to remove this extension and check for
3273                                                 // the original one.
3274                                                 name = removeExtension(name);
3275                                                 if (!makeAbsPath(name, path).exists()) {
3276                                                         char const * const Gnumeric_formats[] = {"gnumeric",
3277                                                                 "ods", "xls", 0};
3278                                                         string const Gnumeric_name =
3279                                                                 find_file(name, path, Gnumeric_formats);
3280                                                         if (!Gnumeric_name.empty())
3281                                                                 name = Gnumeric_name;
3282                                                 }
3283                                                 FileName const absname = makeAbsPath(name, path);
3284                                                 if (absname.exists()) {
3285                                                         fix_child_filename(name);
3286                                                         copy_file(absname, name);
3287                                                 } else
3288                                                         cerr << "Warning: Could not find file '"
3289                                                              << name << "'." << endl;
3290                                                 context.check_layout(os);
3291                                                 begin_inset(os, "External\n\ttemplate ");
3292                                                 os << "GnumericSpreadsheet\n\tfilename "
3293                                                    << name << "\n";
3294                                                 end_inset(os);
3295                                                 context.check_layout(os);
3296                                                 macro = false;
3297                                                 // register the packages that are automatically loaded
3298                                                 // by the Gnumeric template
3299                                                 registerExternalTemplatePackages("GnumericSpreadsheet");
3300                                         }
3301                                 }
3302                         }
3303                         if (macro)
3304                                 parse_macro(p, os, context);
3305                         continue;
3306                 }
3307
3308                 if (t.cs() == "noindent") {
3309                         p.skip_spaces();
3310                         context.add_par_extra_stuff("\\noindent\n");
3311                         continue;
3312                 }
3313
3314                 if (t.cs() == "appendix") {
3315                         context.add_par_extra_stuff("\\start_of_appendix\n");
3316                         // We need to start a new paragraph. Otherwise the
3317                         // appendix in 'bla\appendix\chapter{' would start
3318                         // too late.
3319                         context.new_paragraph(os);
3320                         // We need to make sure that the paragraph is
3321                         // generated even if it is empty. Otherwise the
3322                         // appendix in '\par\appendix\par\chapter{' would
3323                         // start too late.
3324                         context.check_layout(os);
3325                         // FIXME: This is a hack to prevent paragraph
3326                         // deletion if it is empty. Handle this better!
3327                         output_comment(p, os,
3328                                 "dummy comment inserted by tex2lyx to "
3329                                 "ensure that this paragraph is not empty",
3330                                 context);
3331                         // Both measures above may generate an additional
3332                         // empty paragraph, but that does not hurt, because
3333                         // whitespace does not matter here.
3334                         eat_whitespace(p, os, context, true);
3335                         continue;
3336                 }
3337
3338                 // Must catch empty dates before findLayout is called below
3339                 if (t.cs() == "date") {
3340                         eat_whitespace(p, os, context, false);
3341                         p.pushPosition();
3342                         string const date = p.verbatim_item();
3343                         p.popPosition();
3344                         if (date.empty()) {
3345                                 preamble.suppressDate(true);
3346                                 p.verbatim_item();
3347                         } else {
3348                                 preamble.suppressDate(false);
3349                                 if (context.new_layout_allowed &&
3350                                     (newlayout = findLayout(context.textclass,
3351                                                             t.cs(), true))) {
3352                                         // write the layout
3353                                         output_command_layout(os, p, outer,
3354                                                         context, newlayout);
3355                                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3356                                         if (!preamble.titleLayoutFound())
3357                                                 preamble.titleLayoutFound(newlayout->intitle);
3358                                         set<string> const & req = newlayout->requires();
3359                                         set<string>::const_iterator it = req.begin();
3360                                         set<string>::const_iterator en = req.end();
3361                                         for (; it != en; ++it)
3362                                                 preamble.registerAutomaticallyLoadedPackage(*it);
3363                                 } else
3364                                         output_ert_inset(os,
3365                                                 "\\date{" + p.verbatim_item() + '}',
3366                                                 context);
3367                         }
3368                         continue;
3369                 }
3370
3371                 // Before we look for the layout name with star and alone below, we check the layouts including
3372                 // the LateXParam, which might be one or several options or a star.
3373                 // The single '=' is meant here.
3374                 if (context.new_layout_allowed &&
3375                    (newlayout = findLayout(context.textclass, t.cs(), true, p.getCommandLatexParam()))) {
3376                         // store the latexparam here. This is eaten in output_command_layout
3377                         context.latexparam = newlayout->latexparam();
3378                         // write the layout
3379                         output_command_layout(os, p, outer, context, newlayout);
3380                         context.latexparam.clear();
3381                         p.skip_spaces();
3382                         if (!preamble.titleLayoutFound())
3383                                 preamble.titleLayoutFound(newlayout->intitle);
3384                         set<string> const & req = newlayout->requires();
3385                         for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
3386                                 preamble.registerAutomaticallyLoadedPackage(*it);
3387                         continue;
3388                 }
3389
3390                 // Starred section headings
3391                 // Must attempt to parse "Section*" before "Section".
3392                 if ((p.next_token().asInput() == "*") &&
3393                          context.new_layout_allowed &&
3394                          (newlayout = findLayout(context.textclass, t.cs() + '*', true))) {
3395                         // write the layout
3396                         p.get_token();
3397                         output_command_layout(os, p, outer, context, newlayout);
3398                         p.skip_spaces();
3399                         if (!preamble.titleLayoutFound())
3400                                 preamble.titleLayoutFound(newlayout->intitle);
3401                         set<string> const & req = newlayout->requires();
3402                         for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
3403                                 preamble.registerAutomaticallyLoadedPackage(*it);
3404                         continue;
3405                 }
3406
3407                 // Section headings and the like
3408                 if (context.new_layout_allowed &&
3409                          (newlayout = findLayout(context.textclass, t.cs(), true))) {
3410                         // write the layout
3411                         output_command_layout(os, p, outer, context, newlayout);
3412                         p.skip_spaces();
3413                         if (!preamble.titleLayoutFound())
3414                                 preamble.titleLayoutFound(newlayout->intitle);
3415                         set<string> const & req = newlayout->requires();
3416                         for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
3417                                 preamble.registerAutomaticallyLoadedPackage(*it);
3418                         continue;
3419                 }
3420
3421                 if (t.cs() == "subfloat") {
3422                         // the syntax is \subfloat[list entry][sub caption]{content}
3423                         // if it is a table of figure depends on the surrounding float
3424                         p.skip_spaces();
3425                         // do nothing if there is no outer float
3426                         if (!float_type.empty()) {
3427                                 context.check_layout(os);
3428                                 p.skip_spaces();
3429                                 begin_inset(os, "Float " + float_type + "\n");
3430                                 os << "wide false"
3431                                    << "\nsideways false"
3432                                    << "\nstatus collapsed\n\n";
3433                                 // test for caption
3434                                 string caption;
3435                                 bool has_caption = false;
3436                                 if (p.next_token().cat() != catEscape &&
3437                                                 p.next_token().character() == '[') {
3438                                                         p.get_token(); // eat '['
3439                                                         caption = parse_text_snippet(p, FLAG_BRACK_LAST, outer, context);
3440                                                         has_caption = true;
3441                                 }
3442                                 // In case we have two optional args, the second is the caption.
3443                                 if (p.next_token().cat() != catEscape &&
3444                                                 p.next_token().character() == '[') {
3445                                                         p.get_token(); // eat '['
3446                                                         caption = parse_text_snippet(p, FLAG_BRACK_LAST, outer, context);
3447                                 }
3448                                 // the content
3449                                 parse_text_in_inset(p, os, FLAG_ITEM, outer, context);
3450                                 // the caption comes always as the last
3451                                 if (has_caption) {
3452                                         // we must make sure that the caption gets a \begin_layout
3453                                         os << "\n\\begin_layout Plain Layout";
3454                                         p.skip_spaces();
3455                                         begin_inset(os, "Caption Standard\n");
3456                                         Context newcontext(true, context.textclass,
3457                                                            0, 0, context.font);
3458                                         newcontext.check_layout(os);
3459                                         os << caption << "\n";
3460                                         newcontext.check_end_layout(os);
3461                                         end_inset(os);
3462                                         p.skip_spaces();
3463                                         // close the layout we opened
3464                                         os << "\n\\end_layout";
3465                                 }
3466                                 end_inset(os);
3467                                 p.skip_spaces();
3468                         } else {
3469                                 // if the float type is not supported or there is no surrounding float
3470                                 // output it as ERT
3471                                 string opt_arg1;
3472                                 string opt_arg2;
3473                                 if (p.hasOpt()) {
3474                                         opt_arg1 = convert_literate_command_inset_arg(p.getFullOpt());
3475                                         if (p.hasOpt())
3476                                                 opt_arg2 = convert_literate_command_inset_arg(p.getFullOpt());
3477                                 }
3478                                 output_ert_inset(os, t.asInput() + opt_arg1 + opt_arg2
3479                                                  + "{" + p.verbatim_item() + '}', context);
3480                         }
3481                         continue;
3482                 }
3483
3484                 if (t.cs() == "xymatrix") {
3485                         // we must open a new math because LyX's xy support is in math
3486                         context.check_layout(os);
3487                         begin_inset(os, "Formula ");
3488                         os << '$';
3489                         os << "\\" << t.cs() << '{';
3490                         parse_math(p, os, FLAG_ITEM, MATH_MODE);
3491                         os << '}' << '$';
3492                         end_inset(os);
3493                         preamble.registerAutomaticallyLoadedPackage("xy");
3494                         continue;
3495                 }
3496
3497                 if (t.cs() == "includegraphics") {
3498                         bool const clip = p.next_token().asInput() == "*";
3499                         if (clip)
3500                                 p.get_token();
3501                         string const arg = p.getArg('[', ']');
3502                         map<string, string> opts;
3503                         vector<string> keys;
3504                         split_map(arg, opts, keys);
3505                         if (clip)
3506                                 opts["clip"] = string();
3507                         string name = normalize_filename(p.verbatim_item());
3508
3509                         string const path = getMasterFilePath(true);
3510                         // We want to preserve relative / absolute filenames,
3511                         // therefore path is only used for testing
3512                         if (!makeAbsPath(name, path).exists()) {
3513                                 // The file extension is probably missing.
3514                                 // Now try to find it out.
3515                                 string const dvips_name =
3516                                         find_file(name, path,
3517                                                   known_dvips_graphics_formats);
3518                                 string const pdftex_name =
3519                                         find_file(name, path,
3520                                                   known_pdftex_graphics_formats);
3521                                 if (!dvips_name.empty()) {
3522                                         if (!pdftex_name.empty()) {
3523                                                 cerr << "This file contains the "
3524                                                         "latex snippet\n"
3525                                                         "\"\\includegraphics{"
3526                                                      << name << "}\".\n"
3527                                                         "However, files\n\""
3528                                                      << dvips_name << "\" and\n\""
3529                                                      << pdftex_name << "\"\n"
3530                                                         "both exist, so I had to make a "
3531                                                         "choice and took the first one.\n"
3532                                                         "Please move the unwanted one "
3533                                                         "someplace else and try again\n"
3534                                                         "if my choice was wrong."
3535                                                      << endl;
3536                                         }
3537                                         name = dvips_name;
3538                                 } else if (!pdftex_name.empty()) {
3539                                         name = pdftex_name;
3540                                         pdflatex = true;
3541                                 }
3542                         }
3543
3544                         FileName const absname = makeAbsPath(name, path);
3545                         if (absname.exists()) {
3546                                 fix_child_filename(name);
3547                                 copy_file(absname, name);
3548                         } else
3549                                 cerr << "Warning: Could not find graphics file '"
3550                                      << name << "'." << endl;
3551
3552                         context.check_layout(os);
3553                         begin_inset(os, "Graphics ");
3554                         os << "\n\tfilename " << name << '\n';
3555                         if (opts.find("width") != opts.end())
3556                                 os << "\twidth "
3557                                    << translate_len(opts["width"]) << '\n';
3558                         if (opts.find("height") != opts.end())
3559                                 os << "\theight "
3560                                    << translate_len(opts["height"]) << '\n';
3561                         if (opts.find("scale") != opts.end()) {
3562                                 istringstream iss(opts["scale"]);
3563                                 double val;
3564                                 iss >> val;
3565                                 val = val*100;
3566                                 os << "\tscale " << val << '\n';
3567                         }
3568                         if (opts.find("angle") != opts.end()) {
3569                                 os << "\trotateAngle "
3570                                    << opts["angle"] << '\n';
3571                                 vector<string>::const_iterator a =
3572                                         find(keys.begin(), keys.end(), "angle");
3573                                 vector<string>::const_iterator s =
3574                                         find(keys.begin(), keys.end(), "width");
3575                                 if (s == keys.end())
3576                                         s = find(keys.begin(), keys.end(), "height");
3577                                 if (s == keys.end())
3578                                         s = find(keys.begin(), keys.end(), "scale");
3579                                 if (s != keys.end() && distance(s, a) > 0)
3580                                         os << "\tscaleBeforeRotation\n";
3581                         }
3582                         if (opts.find("origin") != opts.end()) {
3583                                 ostringstream ss;
3584                                 string const opt = opts["origin"];
3585                                 if (opt.find('l') != string::npos) ss << "left";
3586                                 if (opt.find('r') != string::npos) ss << "right";
3587                                 if (opt.find('c') != string::npos) ss << "center";
3588                                 if (opt.find('t') != string::npos) ss << "Top";
3589                                 if (opt.find('b') != string::npos) ss << "Bottom";
3590                                 if (opt.find('B') != string::npos) ss << "Baseline";
3591                                 if (!ss.str().empty())
3592                                         os << "\trotateOrigin " << ss.str() << '\n';
3593                                 else
3594                                         cerr << "Warning: Ignoring unknown includegraphics origin argument '" << opt << "'\n";
3595                         }
3596                         if (opts.find("keepaspectratio") != opts.end())
3597                                 os << "\tkeepAspectRatio\n";
3598                         if (opts.find("clip") != opts.end())
3599                                 os << "\tclip\n";
3600                         if (opts.find("draft") != opts.end())
3601                                 os << "\tdraft\n";
3602                         if (opts.find("bb") != opts.end())
3603                                 os << "\tBoundingBox "
3604                                    << opts["bb"] << '\n';
3605                         int numberOfbbOptions = 0;
3606                         if (opts.find("bbllx") != opts.end())
3607                                 numberOfbbOptions++;
3608                         if (opts.find("bblly") != opts.end())
3609                                 numberOfbbOptions++;
3610                         if (opts.find("bburx") != opts.end())
3611                                 numberOfbbOptions++;
3612                         if (opts.find("bbury") != opts.end())
3613                                 numberOfbbOptions++;
3614                         if (numberOfbbOptions == 4)
3615                                 os << "\tBoundingBox "
3616                                    << opts["bbllx"] << " " << opts["bblly"] << " "
3617                                    << opts["bburx"] << " " << opts["bbury"] << '\n';
3618                         else if (numberOfbbOptions > 0)
3619                                 cerr << "Warning: Ignoring incomplete includegraphics boundingbox arguments.\n";
3620                         numberOfbbOptions = 0;
3621                         if (opts.find("natwidth") != opts.end())
3622                                 numberOfbbOptions++;
3623                         if (opts.find("natheight") != opts.end())
3624                                 numberOfbbOptions++;
3625                         if (numberOfbbOptions == 2)
3626                                 os << "\tBoundingBox 0bp 0bp "
3627                                    << opts["natwidth"] << " " << opts["natheight"] << '\n';
3628                         else if (numberOfbbOptions > 0)
3629                                 cerr << "Warning: Ignoring incomplete includegraphics boundingbox arguments.\n";
3630                         ostringstream special;
3631                         if (opts.find("hiresbb") != opts.end())
3632                                 special << "hiresbb,";
3633                         if (opts.find("trim") != opts.end())
3634                                 special << "trim,";
3635                         if (opts.find("viewport") != opts.end())
3636                                 special << "viewport=" << opts["viewport"] << ',';
3637                         if (opts.find("totalheight") != opts.end())
3638                                 special << "totalheight=" << opts["totalheight"] << ',';
3639                         if (opts.find("type") != opts.end())
3640                                 special << "type=" << opts["type"] << ',';
3641                         if (opts.find("ext") != opts.end())
3642                                 special << "ext=" << opts["ext"] << ',';
3643                         if (opts.find("read") != opts.end())
3644                                 special << "read=" << opts["read"] << ',';
3645                         if (opts.find("command") != opts.end())
3646                                 special << "command=" << opts["command"] << ',';
3647                         string s_special = special.str();
3648                         if (!s_special.empty()) {
3649                                 // We had special arguments. Remove the trailing ','.
3650                                 os << "\tspecial " << s_special.substr(0, s_special.size() - 1) << '\n';
3651                         }
3652                         // TODO: Handle the unknown settings better.
3653                         // Warn about invalid options.
3654                         // Check whether some option was given twice.
3655                         end_inset(os);
3656                         preamble.registerAutomaticallyLoadedPackage("graphicx");
3657                         continue;
3658                 }
3659
3660                 if (t.cs() == "footnote" ||
3661                          (t.cs() == "thanks" && context.layout->intitle)) {
3662                         p.skip_spaces();
3663                         context.check_layout(os);
3664                         begin_inset(os, "Foot\n");
3665                         os << "status collapsed\n\n";
3666                         parse_text_in_inset(p, os, FLAG_ITEM, false, context);
3667                         end_inset(os);
3668                         continue;
3669                 }
3670
3671                 if (t.cs() == "marginpar") {
3672                         p.skip_spaces();
3673                         context.check_layout(os);
3674                         begin_inset(os, "Marginal\n");
3675                         os << "status collapsed\n\n";
3676                         parse_text_in_inset(p, os, FLAG_ITEM, false, context);
3677                         end_inset(os);
3678                         continue;
3679                 }
3680
3681                 if (t.cs() == "lstinline" || t.cs() == "mintinline") {
3682                         bool const use_minted = t.cs() == "mintinline";
3683                         p.skip_spaces();
3684                         parse_listings(p, os, context, true, use_minted);
3685                         continue;
3686                 }
3687
3688                 if (t.cs() == "ensuremath") {
3689                         p.skip_spaces();
3690                         context.check_layout(os);
3691                         string const s = p.verbatim_item();
3692                         //FIXME: this never triggers in UTF8
3693                         if (s == "\xb1" || s == "\xb3" || s == "\xb2" || s == "\xb5")
3694                                 os << s;
3695                         else
3696                                 output_ert_inset(os, "\\ensuremath{" + s + "}",
3697                                            context);
3698                         continue;
3699                 }
3700
3701                 else if (t.cs() == "makeindex"
3702                          || (t.cs() == context.textclass.titlename()
3703                              && context.textclass.titletype() == TITLE_COMMAND_AFTER)) {
3704                         if (preamble.titleLayoutFound()) {
3705                                 // swallow this
3706                                 skip_spaces_braces(p);
3707                         } else
3708                                 output_ert_inset(os, t.asInput(), context);
3709                         continue;
3710                 }
3711
3712                 if (t.cs() == "tableofcontents"
3713                                 || t.cs() == "lstlistoflistings"
3714                                 || t.cs() == "listoflistings") {
3715                         string name = t.cs();
3716                         if (preamble.minted() && name == "listoflistings")
3717                                 name.insert(0, "lst");
3718                         context.check_layout(os);
3719                         begin_command_inset(os, "toc", name);
3720                         end_inset(os);
3721                         skip_spaces_braces(p);
3722                         if (name == "lstlistoflistings") {
3723                                 if (preamble.minted())
3724                                         preamble.registerAutomaticallyLoadedPackage("minted");
3725                                 else
3726                                         preamble.registerAutomaticallyLoadedPackage("listings");
3727                         }
3728                         continue;
3729                 }
3730
3731                 if (t.cs() == "listoffigures" || t.cs() == "listoftables") {
3732                         context.check_layout(os);
3733                         if (t.cs() == "listoffigures")
3734                                 begin_inset(os, "FloatList figure\n");
3735                         else
3736                                 begin_inset(os, "FloatList table\n");
3737                         end_inset(os);
3738                         skip_spaces_braces(p);
3739                         continue;
3740                 }
3741
3742                 if (t.cs() == "listof") {
3743                         p.skip_spaces(true);
3744                         string const name = p.verbatim_item();
3745                         if (context.textclass.floats().typeExist(name)) {
3746                                 context.check_layout(os);
3747                                 begin_inset(os, "FloatList ");
3748                                 os << name << "\n";
3749                                 end_inset(os);
3750                                 p.verbatim_item(); // swallow second arg
3751                         } else
3752                                 output_ert_inset(os, "\\listof{" + name + "}", context);
3753                         continue;
3754                 }
3755
3756                 if ((where = is_known(t.cs(), known_text_font_families))) {
3757                         parse_text_attributes(p, os, FLAG_ITEM, outer,
3758                                 context, "\\family", context.font.family,
3759                                 known_coded_font_families[where - known_text_font_families]);
3760                         continue;
3761                 }
3762
3763                 // beamer has a \textbf<overlay>{} inset
3764                 if (!p.hasOpt("<") && (where = is_known(t.cs(), known_text_font_series))) {
3765                         parse_text_attributes(p, os, FLAG_ITEM, outer,
3766                                 context, "\\series", context.font.series,
3767                                 known_coded_font_series[where - known_text_font_series]);
3768                         continue;
3769                 }
3770
3771                 // beamer has a \textit<overlay>{} inset
3772                 if (!p.hasOpt("<") && (where = is_known(t.cs(), known_text_font_shapes))) {
3773                         parse_text_attributes(p, os, FLAG_ITEM, outer,
3774                                 context, "\\shape", context.font.shape,
3775                                 known_coded_font_shapes[where - known_text_font_shapes]);
3776                         continue;
3777                 }
3778
3779                 if (t.cs() == "textnormal" || t.cs() == "normalfont") {
3780                         context.check_layout(os);
3781                         TeXFont oldFont = context.font;
3782                         context.font.init();
3783                         context.font.size = oldFont.size;
3784                         os << "\n\\family " << context.font.family << "\n";
3785                         os << "\n\\series " << context.font.series << "\n";
3786                         os << "\n\\shape " << context.font.shape << "\n";
3787                         if (t.cs() == "textnormal") {
3788                                 parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3789                                 output_font_change(os, context.font, oldFont);
3790                                 context.font = oldFont;
3791                         } else
3792                                 eat_whitespace(p, os, context, false);
3793                         continue;
3794                 }
3795
3796                 if (t.cs() == "textcolor") {
3797                         // scheme is \textcolor{color name}{text}
3798                         string const color = p.verbatim_item();
3799                         // we support the predefined colors of the color  and the xcolor package
3800                         if (color == "black" || color == "blue" || color == "cyan"
3801                                 || color == "green" || color == "magenta" || color == "red"
3802                                 || color == "white" || color == "yellow") {
3803                                         context.check_layout(os);
3804                                         os << "\n\\color " << color << "\n";
3805                                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3806                                         context.check_layout(os);
3807                                         os << "\n\\color inherit\n";
3808                                         preamble.registerAutomaticallyLoadedPackage("color");
3809                         } else if (color == "brown" || color == "darkgray" || color == "gray"
3810                                 || color == "lightgray" || color == "lime" || color == "olive"
3811                                 || color == "orange" || color == "pink" || color == "purple"
3812                                 || color == "teal" || color == "violet") {
3813                                         context.check_layout(os);
3814                                         os << "\n\\color " << color << "\n";
3815                                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3816                                         context.check_layout(os);
3817                                         os << "\n\\color inherit\n";
3818                                         preamble.registerAutomaticallyLoadedPackage("xcolor");
3819                         } else
3820                                 // for custom defined colors
3821                                 output_ert_inset(os, t.asInput() + "{" + color + "}", context);
3822                         continue;
3823                 }
3824
3825                 if (t.cs() == "underbar" || t.cs() == "uline") {
3826                         // \underbar is not 100% correct (LyX outputs \uline
3827                         // of ulem.sty). The difference is that \ulem allows
3828                         // line breaks, and \underbar does not.
3829                         // Do NOT handle \underline.
3830                         // \underbar cuts through y, g, q, p etc.,
3831                         // \underline does not.
3832                         context.check_layout(os);
3833                         os << "\n\\bar under\n";
3834                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3835                         context.check_layout(os);
3836                         os << "\n\\bar default\n";
3837                         preamble.registerAutomaticallyLoadedPackage("ulem");
3838                         continue;
3839                 }
3840
3841                 if (t.cs() == "sout") {
3842                         context.check_layout(os);
3843                         os << "\n\\strikeout on\n";
3844                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3845                         context.check_layout(os);
3846                         os << "\n\\strikeout default\n";
3847                         preamble.registerAutomaticallyLoadedPackage("ulem");
3848                         continue;
3849                 }
3850
3851                 // beamer has an \emph<overlay>{} inset
3852                 if ((t.cs() == "uuline" || t.cs() == "uwave"
3853                         || t.cs() == "emph" || t.cs() == "noun"
3854                         || t.cs() == "xout") && !p.hasOpt("<")) {
3855                         context.check_layout(os);
3856                         os << "\n\\" << t.cs() << " on\n";
3857                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3858                         context.check_layout(os);
3859                         os << "\n\\" << t.cs() << " default\n";
3860                         if (t.cs() == "uuline" || t.cs() == "uwave" || t.cs() == "xout")
3861                                 preamble.registerAutomaticallyLoadedPackage("ulem");
3862                         continue;
3863                 }
3864
3865                 if (t.cs() == "lyxadded" || t.cs() == "lyxdeleted") {
3866                         context.check_layout(os);
3867                         string name = p.getArg('{', '}');
3868                         string localtime = p.getArg('{', '}');
3869                         preamble.registerAuthor(name);
3870                         Author const & author = preamble.getAuthor(name);
3871                         // from_asctime_utc() will fail if LyX decides to output the
3872                         // time in the text language.
3873                         time_t ptime = from_asctime_utc(localtime);
3874                         if (ptime == static_cast<time_t>(-1)) {
3875                                 cerr << "Warning: Could not parse time `" << localtime
3876                                      << "´ for change tracking, using current time instead.\n";
3877                                 ptime = current_time();
3878                         }
3879                         if (t.cs() == "lyxadded")
3880                                 os << "\n\\change_inserted ";
3881                         else
3882                                 os << "\n\\change_deleted ";
3883                         os << author.bufferId() << ' ' << ptime << '\n';
3884                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
3885                         bool dvipost    = LaTeXPackages::isAvailable("dvipost");
3886                         bool xcolorulem = LaTeXPackages::isAvailable("ulem") &&
3887                                           LaTeXPackages::isAvailable("xcolor");
3888                         // No need to test for luatex, since luatex comes in
3889                         // two flavours (dvi and pdf), like latex, and those
3890                         // are detected by pdflatex.
3891                         if (pdflatex || xetex) {
3892                                 if (xcolorulem) {
3893                                         preamble.registerAutomaticallyLoadedPackage("ulem");
3894                                         preamble.registerAutomaticallyLoadedPackage("xcolor");
3895                                         preamble.registerAutomaticallyLoadedPackage("pdfcolmk");
3896                                 }
3897                         } else {
3898                                 if (dvipost) {
3899                                         preamble.registerAutomaticallyLoadedPackage("dvipost");
3900                                 } else if (xcolorulem) {
3901                                         preamble.registerAutomaticallyLoadedPackage("ulem");
3902                                         preamble.registerAutomaticallyLoadedPackage("xcolor");
3903                                 }
3904                         }
3905                         continue;
3906                 }
3907
3908                 if (t.cs() == "textipa") {
3909                         context.check_layout(os);
3910                         begin_inset(os, "IPA\n");
3911                         bool merging_hyphens_allowed = context.merging_hyphens_allowed;
3912                         context.merging_hyphens_allowed = false;
3913                         parse_text_in_inset(p, os, FLAG_ITEM, outer, context);
3914                         context.merging_hyphens_allowed = merging_hyphens_allowed;
3915                         end_inset(os);
3916                         preamble.registerAutomaticallyLoadedPackage("tipa");
3917                         preamble.registerAutomaticallyLoadedPackage("tipx");
3918                         continue;
3919                 }
3920
3921                 if ((preamble.isPackageUsed("tipa") && t.cs() == "t" && p.next_token().asInput() == "*")
3922                     || t.cs() == "texttoptiebar" || t.cs() == "textbottomtiebar") {
3923                         context.check_layout(os);
3924                         if (t.cs() == "t")
3925                                 // swallow star
3926                                 p.get_token();
3927                         string const type = (t.cs() == "t") ? "bottomtiebar" : t.cs().substr(4);
3928                         begin_inset(os, "IPADeco " + type + "\n");
3929                         os << "status open\n";
3930                         parse_text_in_inset(p, os, FLAG_ITEM, outer, context);
3931                         end_inset(os);
3932                         p.skip_spaces();
3933                         continue;
3934                 }
3935
3936                 if (t.cs() == "textvertline") {
3937                         // FIXME: This is not correct, \textvertline is higher than |
3938                         os << "|";
3939                         skip_braces(p);
3940                         continue;
3941                 }
3942
3943                 if (t.cs() == "tone" ) {
3944                         context.check_layout(os);
3945                         // register the tone package
3946                         preamble.registerAutomaticallyLoadedPackage("tone");
3947                         string content = trimSpaceAndEol(p.verbatim_item());
3948                         string command = t.asInput() + "{" + content + "}";
3949                         // some tones can be detected by unicodesymbols, some need special code
3950                         if (is_known(content, known_tones)) {
3951                                 os << "\\IPAChar " << command << "\n";
3952                                 continue;
3953                         }
3954                         // try to see whether the string is in unicodesymbols
3955                         bool termination;
3956                         docstring rem;
3957                         set<string> req;
3958                         docstring s = encodings.fromLaTeXCommand(from_utf8(command),
3959                                 Encodings::TEXT_CMD | Encodings::MATH_CMD,
3960                                 termination, rem, &req);
3961                         if (!s.empty()) {
3962                                 os << to_utf8(s);
3963                                 if (!rem.empty())
3964                                         output_ert_inset(os, to_utf8(rem), context);
3965                                 for (set<string>::const_iterator it = req.begin();
3966                                      it != req.end(); ++it)
3967                                         preamble.registerAutomaticallyLoadedPackage(*it);
3968                         } else
3969                                 // we did not find a non-ert version
3970                                 output_ert_inset(os, command, context);
3971                         continue;
3972                 }
3973
3974                 if (t.cs() == "phantom" || t.cs() == "hphantom" ||
3975                              t.cs() == "vphantom") {
3976                         context.check_layout(os);
3977                         if (t.cs() == "phantom")
3978                                 begin_inset(os, "Phantom Phantom\n");
3979                         if (t.cs() == "hphantom")
3980                                 begin_inset(os, "Phantom HPhantom\n");
3981                         if (t.cs() == "vphantom")
3982                                 begin_inset(os, "Phantom VPhantom\n");
3983                         os << "status open\n";
3984                         parse_text_in_inset(p, os, FLAG_ITEM, outer, context,
3985                                             "Phantom");
3986                         end_inset(os);
3987                         continue;
3988                 }
3989
3990                 if (t.cs() == "href") {
3991                         context.check_layout(os);
3992                         string target = convert_literate_command_inset_arg(p.verbatim_item());
3993                         string name = p.verbatim_item();
3994                         pair<bool, string> nm = convert_latexed_command_inset_arg(name);
3995                         bool const literal = !nm.first;
3996                         name = literal ? subst(name, "\n", " ") : nm.second;
3997                         string lit = literal ? "\"true\"" : "\"false\"";
3998                         string type;
3999                         size_t i = target.find(':');
4000                         if (i != string::npos) {
4001                                 type = target.substr(0, i + 1);
4002                                 if (type == "mailto:" || type == "file:")
4003                                         target = target.substr(i + 1);
4004                                 // handle the case that name is equal to target, except of "http(s)://"
4005                                 else if (target.substr(i + 3) == name && (type == "http:" || type == "https:"))
4006                                         target = name;
4007                         }
4008                         begin_command_inset(os, "href", "href");
4009                         if (name != target)
4010                                 os << "name \"" << name << "\"\n";
4011                         os << "target \"" << target << "\"\n";
4012                         if (type == "mailto:" || type == "file:")
4013                                 os << "type \"" << type << "\"\n";
4014                         os << "literal " << lit << "\n";
4015                         end_inset(os);
4016                         skip_spaces_braces(p);
4017                         continue;
4018                 }
4019
4020                 if (t.cs() == "lyxline") {
4021                         // swallow size argument (it is not used anyway)
4022                         p.getArg('{', '}');
4023                         if (!context.atParagraphStart()) {
4024                                 // so our line is in the middle of a paragraph
4025                                 // we need to add a new line, lest this line
4026                                 // follow the other content on that line and
4027                                 // run off the side of the page
4028                                 // FIXME: This may create an empty paragraph,
4029                                 //        but without that it would not be
4030                                 //        possible to set noindent below.
4031                                 //        Fortunately LaTeX does not care
4032                                 //        about the empty paragraph.
4033                                 context.new_paragraph(os);
4034                         }
4035                         if (preamble.indentParagraphs()) {
4036                                 // we need to unindent, lest the line be too long
4037                                 context.add_par_extra_stuff("\\noindent\n");
4038                         }
4039                         context.check_layout(os);
4040                         begin_command_inset(os, "line", "rule");
4041                         os << "offset \"0.5ex\"\n"
4042                               "width \"100line%\"\n"
4043                               "height \"1pt\"\n";
4044                         end_inset(os);
4045                         continue;
4046                 }
4047
4048                 if (t.cs() == "rule") {
4049                         string const offset = (p.hasOpt() ? p.getArg('[', ']') : string());
4050                         string const width = p.getArg('{', '}');
4051                         string const thickness = p.getArg('{', '}');
4052                         context.check_layout(os);
4053                         begin_command_inset(os, "line", "rule");
4054                         if (!offset.empty())
4055                                 os << "offset \"" << translate_len(offset) << "\"\n";
4056                         os << "width \"" << translate_len(width) << "\"\n"
4057                                   "height \"" << translate_len(thickness) << "\"\n";
4058                         end_inset(os);
4059                         continue;
4060                 }
4061
4062                 // Handle refstyle first in order to to catch \eqref, because this
4063                 // can also occur without refstyle. Only recognize these commands if
4064                 // refstyle.sty was found in the preamble (otherwise \eqref
4065                 // and user defined ref commands could be misdetected).
4066                 // We uncapitalize the input in order to catch capitalized commands
4067                 // such as \Eqref.
4068                 if ((where = is_known(uncapitalize(t.cs()), known_refstyle_commands))
4069                      && preamble.refstyle()) {
4070                         string const cap = isCapitalized(t.cs()) ? "true" : "false";
4071                         string plural = "false";
4072                         // Catch the plural option [s]
4073                         if (p.hasOpt()) {
4074                                 string const opt = p.getOpt();
4075                                 if (opt == "[s]")
4076                                         plural = "true";
4077                                 else {
4078                                         // LyX does not yet support other optional arguments of ref commands
4079                                         output_ert_inset(os, t.asInput() + opt + "{" +
4080                                                p.verbatim_item() + '}', context);
4081                                         continue;
4082                                 }
4083                         }
4084                         context.check_layout(os);
4085                         begin_command_inset(os, "ref", "formatted");
4086                         os << "reference \"";
4087                         os << known_refstyle_prefixes[where - known_refstyle_commands]
4088                            << ":";
4089                         os << convert_literate_command_inset_arg(p.getArg('{', '}'))
4090                            << "\"\n";
4091                         os << "plural \"" << plural << "\"\n";
4092                         os << "caps \"" << cap << "\"\n";
4093                         os << "noprefix \"false\"\n";
4094                         end_inset(os);
4095                         preamble.registerAutomaticallyLoadedPackage("refstyle");
4096                         continue;
4097                 }
4098
4099                 // if refstyle is used, we must not convert \prettyref to a
4100                 // formatted reference, since that would result in a refstyle command.
4101                 if ((where = is_known(t.cs(), known_ref_commands)) &&
4102                          (t.cs() != "prettyref" || !preamble.refstyle())) {
4103                         string const opt = p.getOpt();
4104                         if (opt.empty()) {
4105                                 context.check_layout(os);
4106                                 begin_command_inset(os, "ref",
4107                                         known_coded_ref_commands[where - known_ref_commands]);
4108                                 os << "reference \""
4109                                    << convert_literate_command_inset_arg(p.verbatim_item())
4110                                    << "\"\n";
4111                                 os << "plural \"false\"\n";
4112                                 os << "caps \"false\"\n";
4113                                 os << "noprefix \"false\"\n";
4114                                 end_inset(os);
4115                                 if (t.cs() == "vref" || t.cs() == "vpageref")
4116                                         preamble.registerAutomaticallyLoadedPackage("varioref");
4117                                 else if (t.cs() == "prettyref")
4118                                         preamble.registerAutomaticallyLoadedPackage("prettyref");
4119                         } else {
4120                                 // LyX does not yet support optional arguments of ref commands
4121                                 output_ert_inset(os, t.asInput() + opt + "{" +
4122                                                  p.verbatim_item() + '}', context);
4123                         }
4124                         continue;
4125                 }
4126
4127                 if (use_natbib &&
4128                          is_known(t.cs(), known_natbib_commands) &&
4129                          ((t.cs() != "citefullauthor" &&
4130                            t.cs() != "citeyear" &&
4131                            t.cs() != "citeyearpar") ||
4132                           p.next_token().asInput() != "*")) {
4133                         context.check_layout(os);
4134                         string command = t.cs();
4135                         if (p.next_token().asInput() == "*") {
4136                                 command += '*';
4137                                 p.get_token();
4138                         }
4139                         if (command == "citefullauthor")
4140                                 // alternative name for "\\citeauthor*"
4141                                 command = "citeauthor*";
4142
4143                         // text before the citation
4144                         string before;
4145                         // text after the citation
4146                         string after;
4147                         get_cite_arguments(p, true, before, after);
4148
4149                         if (command == "cite") {
4150                                 // \cite without optional argument means
4151                                 // \citet, \cite with at least one optional
4152                                 // argument means \citep.
4153                                 if (before.empty() && after.empty())
4154                                         command = "citet";
4155                                 else
4156                                         command = "citep";
4157                         }
4158                         if (before.empty() && after == "[]")
4159                                 // avoid \citet[]{a}
4160                                 after.erase();
4161                         else if (before == "[]" && after == "[]") {
4162                                 // avoid \citet[][]{a}
4163                                 before.erase();
4164                                 after.erase();
4165                         }
4166                         bool literal = false;
4167                         pair<bool, string> aft;
4168                         pair<bool, string> bef;
4169                         // remove the brackets around after and before
4170                         if (!after.empty()) {
4171                                 after.erase(0, 1);
4172                                 after.erase(after.length() - 1, 1);
4173                                 aft = convert_latexed_command_inset_arg(after);
4174                                 literal = !aft.first;
4175                                 after = literal ? subst(after, "\n", " ") : aft.second;
4176                         }
4177                         if (!before.empty()) {
4178                                 before.erase(0, 1);
4179                                 before.erase(before.length() - 1, 1);
4180                                 bef = convert_latexed_command_inset_arg(before);
4181                                 literal |= !bef.first;
4182                                 before = literal ? subst(before, "\n", " ") : bef.second;
4183                                 if (literal && !after.empty())
4184                                         after = subst(after, "\n", " ");
4185                         }
4186                         string lit = literal ? "\"true\"" : "\"false\"";
4187                         begin_command_inset(os, "citation", command);
4188                         os << "after " << '"' << after << '"' << "\n";
4189                         os << "before " << '"' << before << '"' << "\n";
4190                         os << "key \""
4191                            << convert_literate_command_inset_arg(p.verbatim_item())
4192                            << "\"\n"
4193                            << "literal " << lit << "\n";
4194                         end_inset(os);
4195                         // Need to set the cite engine if natbib is loaded by
4196                         // the document class directly
4197                         if (preamble.citeEngine() == "basic")
4198                                 preamble.citeEngine("natbib");
4199                         continue;
4200                 }
4201
4202                 if ((use_biblatex
4203                          && is_known(t.cs(), known_biblatex_commands)
4204                          && ((t.cs() == "cite"
4205                              || t.cs() == "citeauthor"
4206                              || t.cs() == "Citeauthor"
4207                              || t.cs() == "parencite"
4208                              || t.cs() == "citetitle")
4209                          || p.next_token().asInput() != "*"))
4210                         || (use_biblatex_natbib
4211                             && (is_known(t.cs(), known_biblatex_commands)
4212                               || is_known(t.cs(), known_natbib_commands))
4213                             && ((t.cs() == "cite" || t.cs() == "citet" || t.cs() == "Citet"
4214                                || t.cs() == "citep" || t.cs() == "Citep" || t.cs() == "citealt"
4215                                || t.cs() == "Citealt" || t.cs() == "citealp" || t.cs() == "Citealp"
4216                                || t.cs() == "citeauthor" || t.cs() == "Citeauthor"
4217                                || t.cs() == "parencite" || t.cs() == "citetitle")
4218                                || p.next_token().asInput() != "*"))){
4219                         context.check_layout(os);
4220                         string command = t.cs();
4221                         if (p.next_token().asInput() == "*") {
4222                                 command += '*';
4223                                 p.get_token();
4224                         }
4225
4226                         bool const qualified = suffixIs(command, "s");
4227                         if (qualified)
4228                                 command = rtrim(command, "s");
4229
4230                         // text before the citation
4231                         string before;
4232                         // text after the citation
4233                         string after;
4234                         get_cite_arguments(p, true, before, after, qualified);
4235
4236                         // These use natbib cmd names in LyX
4237                         // for inter-citeengine compativility
4238                         if (command == "citeyear")
4239                                 command = "citebyear";
4240                         else if (command == "cite*")
4241                                 command = "citeyear";
4242                         else if (command == "textcite")
4243                                 command = "citet";
4244                         else if (command == "Textcite")
4245                                 command = "Citet";
4246                         else if (command == "parencite")
4247                                 command = "citep";
4248                         else if (command == "Parencite")
4249                                 command = "Citep";
4250                         else if (command == "parencite*")
4251                                 command = "citeyearpar";
4252                         else if (command == "smartcite")
4253                                 command = "footcite";
4254                         else if (command == "Smartcite")
4255                                 command = "Footcite";
4256
4257                         string const emptyarg = qualified ? "()" : "[]";
4258                         if (before.empty() && after == emptyarg)
4259                                 // avoid \cite[]{a}
4260                                 after.erase();
4261                         else if (before == emptyarg && after == emptyarg) {
4262                                 // avoid \cite[][]{a}
4263                                 before.erase();
4264                                 after.erase();
4265                         }
4266                         bool literal = false;
4267                         pair<bool, string> aft;
4268                         pair<bool, string> bef;
4269                         // remove the brackets around after and before
4270                         if (!after.empty()) {
4271                                 after.erase(0, 1);
4272                                 after.erase(after.length() - 1, 1);
4273                                 aft = convert_latexed_command_inset_arg(after);
4274                                 literal = !aft.first;
4275                                 after = literal ? subst(after, "\n", " ") : aft.second;
4276                         }
4277                         if (!before.empty()) {
4278                                 before.erase(0, 1);
4279                                 before.erase(before.length() - 1, 1);
4280                                 bef = convert_latexed_command_inset_arg(before);
4281                                 literal |= !bef.first;
4282                                 before = literal ? subst(before, "\n", " ") : bef.second;
4283                         }
4284                         string keys, pretextlist, posttextlist;
4285                         if (qualified) {
4286                                 map<string, string> pres, posts, preslit, postslit;
4287                                 vector<string> lkeys;
4288                                 // text before the citation
4289                                 string lbefore, lbeforelit;
4290                                 // text after the citation
4291                                 string lafter, lafterlit;
4292                                 string lkey;
4293                                 pair<bool, string> laft, lbef;
4294                                 while (true) {
4295                                         get_cite_arguments(p, true, lbefore, lafter);
4296                                         // remove the brackets around after and before
4297                                         if (!lafter.empty()) {
4298                                                 lafter.erase(0, 1);
4299                                                 lafter.erase(lafter.length() - 1, 1);
4300                                                 laft = convert_latexed_command_inset_arg(lafter);
4301                                                 literal |= !laft.first;
4302                                                 lafter = laft.second;
4303                                                 lafterlit = subst(lbefore, "\n", " ");
4304                                         }
4305                                         if (!lbefore.empty()) {
4306                                                 lbefore.erase(0, 1);
4307                                                 lbefore.erase(lbefore.length() - 1, 1);
4308                                                 lbef = convert_latexed_command_inset_arg(lbefore);
4309                                                 literal |= !lbef.first;
4310                                                 lbefore = lbef.second;
4311                                                 lbeforelit = subst(lbefore, "\n", " ");
4312                                         }
4313                                         if (lbefore.empty() && lafter == "[]") {
4314                                                 // avoid \cite[]{a}
4315                                                 lafter.erase();
4316                                                 lafterlit.erase();
4317                                         }
4318                                         else if (lbefore == "[]" && lafter == "[]") {
4319                                                 // avoid \cite[][]{a}
4320                                                 lbefore.erase();
4321                                                 lafter.erase();
4322                                                 lbeforelit.erase();
4323                                                 lafterlit.erase();
4324                                         }
4325                                         lkey = p.getArg('{', '}');
4326                                         if (lkey.empty())
4327                                                 break;
4328                                         if (!lbefore.empty()) {
4329                                                 pres.insert(make_pair(lkey, lbefore));
4330                                                 preslit.insert(make_pair(lkey, lbeforelit));
4331                                         }
4332                                         if (!lafter.empty()) {
4333                                                 posts.insert(make_pair(lkey, lafter));
4334                                                 postslit.insert(make_pair(lkey, lafterlit));
4335                                         }
4336                                         lkeys.push_back(lkey);
4337                                 }
4338                                 keys = convert_literate_command_inset_arg(getStringFromVector(lkeys));
4339                                 if (literal) {
4340                                         pres = preslit;
4341                                         posts = postslit;
4342                                 }
4343                                 for (auto const & ptl : pres) {
4344                                         if (!pretextlist.empty())
4345                                                 pretextlist += '\t';
4346                                         pretextlist += ptl.first + " " + ptl.second;
4347                                 }
4348                                 for (auto const & potl : posts) {
4349                                         if (!posttextlist.empty())
4350                                                 posttextlist += '\t';
4351                                         posttextlist += potl.first + " " + potl.second;
4352                                 }
4353                         } else
4354                                 keys = convert_literate_command_inset_arg(p.verbatim_item());
4355                         if (literal) {
4356                                 if (!after.empty())
4357                                         after = subst(after, "\n", " ");
4358                                 if (!before.empty())
4359                                         before = subst(after, "\n", " ");
4360                         }
4361                         string lit = literal ? "\"true\"" : "\"false\"";
4362                         begin_command_inset(os, "citation", command);
4363                         os << "after " << '"' << after << '"' << "\n";
4364                         os << "before " << '"' << before << '"' << "\n";
4365                         os << "key \""
4366                            << keys
4367                            << "\"\n";
4368                         if (!pretextlist.empty())
4369                                 os << "pretextlist " << '"'  << pretextlist << '"' << "\n";
4370                         if (!posttextlist.empty())
4371                                 os << "posttextlist " << '"'  << posttextlist << '"' << "\n";
4372                         os << "literal " << lit << "\n";
4373                         end_inset(os);
4374                         // Need to set the cite engine if biblatex is loaded by
4375                         // the document class directly
4376                         if (preamble.citeEngine() == "basic")
4377                                 use_biblatex_natbib ?
4378                                           preamble.citeEngine("biblatex-natbib")
4379                                         : preamble.citeEngine("biblatex");
4380                         continue;
4381                 }
4382
4383                 if (use_jurabib &&
4384                          is_known(t.cs(), known_jurabib_commands) &&
4385                          (t.cs() == "cite" || p.next_token().asInput() != "*")) {
4386                         context.check_layout(os);
4387                         string command = t.cs();
4388                         if (p.next_token().asInput() == "*") {
4389                                 command += '*';
4390                                 p.get_token();
4391                         }
4392                         char argumentOrder = '\0';
4393                         vector<string> const options =
4394                                 preamble.getPackageOptions("jurabib");
4395                         if (find(options.begin(), options.end(),
4396                                       "natbiborder") != options.end())
4397                                 argumentOrder = 'n';
4398                         else if (find(options.begin(), options.end(),
4399                                            "jurabiborder") != options.end())
4400                                 argumentOrder = 'j';
4401
4402                         // text before the citation
4403                         string before;
4404                         // text after the citation
4405                         string after;
4406                         get_cite_arguments(p, argumentOrder != 'j', before, after);
4407
4408                         string const citation = p.verbatim_item();
4409                         if (!before.empty() && argumentOrder == '\0') {
4410                                 cerr << "Warning: Assuming argument order "
4411                                         "of jurabib version 0.6 for\n'"
4412                                      << command << before << after << '{'
4413                                      << citation << "}'.\n"
4414                                         "Add 'jurabiborder' to the jurabib "
4415                                         "package options if you used an\n"
4416                                         "earlier jurabib version." << endl;
4417                         }
4418                         bool literal = false;
4419                         pair<bool, string> aft;
4420                         pair<bool, string> bef;
4421                         // remove the brackets around after and before
4422                         if (!after.empty()) {
4423                                 after.erase(0, 1);
4424                                 after.erase(after.length() - 1, 1);
4425                                 aft = convert_latexed_command_inset_arg(after);
4426                                 literal = !aft.first;
4427                                 after = literal ? subst(after, "\n", " ") : aft.second;
4428                         }
4429                         if (!before.empty()) {
4430                                 before.erase(0, 1);
4431                                 before.erase(before.length() - 1, 1);
4432                                 bef = convert_latexed_command_inset_arg(before);
4433                                 literal |= !bef.first;
4434                                 before = literal ? subst(before, "\n", " ") : bef.second;
4435                                 if (literal && !after.empty())
4436                                         after = subst(after, "\n", " ");
4437                         }
4438                         string lit = literal ? "\"true\"" : "\"false\"";
4439                         begin_command_inset(os, "citation", command);
4440                         os << "after " << '"' << after << "\"\n"
4441                            << "before " << '"' << before << "\"\n"
4442                            << "key " << '"' << citation << "\"\n"
4443                            << "literal " << lit << "\n";
4444                         end_inset(os);
4445                         // Need to set the cite engine if jurabib is loaded by
4446                         // the document class directly
4447                         if (preamble.citeEngine() == "basic")
4448                                 preamble.citeEngine("jurabib");
4449                         continue;
4450                 }
4451
4452                 if (t.cs() == "cite"
4453                         || t.cs() == "nocite") {
4454                         context.check_layout(os);
4455                         string after = p.getArg('[', ']');
4456                         pair<bool, string> aft = convert_latexed_command_inset_arg(after);
4457                         bool const literal = !aft.first;
4458                         after = literal ? subst(after, "\n", " ") : aft.second;
4459                         string lit = literal ? "\"true\"" : "\"false\"";
4460                         string key = convert_literate_command_inset_arg(p.verbatim_item());
4461                         // store the case that it is "\nocite{*}" to use it later for
4462                         // the BibTeX inset
4463                         if (key != "*") {
4464                                 begin_command_inset(os, "citation", t.cs());
4465                                 os << "after " << '"' << after << "\"\n"
4466                                    << "key " << '"' << key << "\"\n"
4467                                    << "literal " << lit << "\n";
4468                                 end_inset(os);
4469                         } else if (t.cs() == "nocite")
4470                                 btprint = key;
4471                         continue;
4472                 }
4473
4474                 if (t.cs() == "index" ||
4475                     (t.cs() == "sindex" && preamble.use_indices() == "true")) {
4476                         context.check_layout(os);
4477                         string const arg = (t.cs() == "sindex" && p.hasOpt()) ?
4478                                 p.getArg('[', ']') : "";
4479                         string const kind = arg.empty() ? "idx" : arg;
4480                         begin_inset(os, "Index ");
4481                         os << kind << "\nstatus collapsed\n";
4482                         parse_text_in_inset(p, os, FLAG_ITEM, false, context, "Index");
4483                         end_inset(os);
4484                         if (kind != "idx")
4485                                 preamble.registerAutomaticallyLoadedPackage("splitidx");
4486                         continue;
4487                 }
4488
4489                 if (t.cs() == "nomenclature") {
4490                         context.check_layout(os);
4491                         begin_command_inset(os, "nomenclature", "nomenclature");
4492                         string prefix = convert_literate_command_inset_arg(p.getArg('[', ']'));
4493                         if (!prefix.empty())
4494                                 os << "prefix " << '"' << prefix << '"' << "\n";
4495                         string symbol = p.verbatim_item();
4496                         pair<bool, string> sym = convert_latexed_command_inset_arg(symbol);
4497                         bool literal = !sym.first;
4498                         string description = p.verbatim_item();
4499                         pair<bool, string> desc = convert_latexed_command_inset_arg(description);
4500                         literal |= !desc.first;
4501                         if (literal) {
4502                                 symbol = subst(symbol, "\n", " ");
4503                                 description = subst(description, "\n", " ");
4504                         } else {
4505                                 symbol = sym.second;
4506                                 description = desc.second;
4507                         }
4508                         string lit = literal ? "\"true\"" : "\"false\"";
4509                         os << "symbol " << '"' << symbol;
4510                         os << "\"\ndescription \""
4511                            << description << "\"\n"
4512                            << "literal " << lit << "\n";
4513                         end_inset(os);
4514                         preamble.registerAutomaticallyLoadedPackage("nomencl");
4515                         continue;
4516                 }
4517
4518                 if (t.cs() == "label") {
4519                         context.check_layout(os);
4520                         begin_command_inset(os, "label", "label");
4521                         os << "name \""
4522                            << convert_literate_command_inset_arg(p.verbatim_item())
4523                            << "\"\n";
4524                         end_inset(os);
4525                         continue;
4526                 }
4527
4528                 if (t.cs() == "lyxmintcaption") {
4529                         string const pos = p.getArg('[', ']');
4530                         if (pos == "t") {
4531                                 string const caption =
4532                                         parse_text_snippet(p, FLAG_ITEM, false,
4533                                                            context);
4534                                 minted_nonfloat_caption = "[t]" + caption;
4535                         } else {
4536                                 // We already got the caption at the bottom,
4537                                 // so simply skip it.
4538                                 parse_text_snippet(p, FLAG_ITEM, false, context);
4539                         }
4540                         eat_whitespace(p, os, context, true);
4541                         continue;
4542                 }
4543
4544                 if (t.cs() == "printindex" || t.cs() == "printsubindex") {
4545                         context.check_layout(os);
4546                         string commandname = t.cs();
4547                         bool star = false;
4548                         if (p.next_token().asInput() == "*") {
4549                                 commandname += "*";
4550                                 star = true;
4551                                 p.get_token();
4552                         }
4553                         begin_command_inset(os, "index_print", commandname);
4554                         string const indexname = p.getArg('[', ']');
4555                         if (!star) {
4556                                 if (indexname.empty())
4557                                         os << "type \"idx\"\n";
4558                                 else
4559                                         os << "type \"" << indexname << "\"\n";
4560                                 os << "literal \"true\"\n";
4561                         }
4562                         end_inset(os);
4563                         skip_spaces_braces(p);
4564                         preamble.registerAutomaticallyLoadedPackage("makeidx");
4565                         if (preamble.use_indices() == "true")
4566                                 preamble.registerAutomaticallyLoadedPackage("splitidx");
4567                         continue;
4568                 }
4569
4570                 if (t.cs() == "printnomenclature") {
4571                         string width = "";
4572                         string width_type = "";
4573                         context.check_layout(os);
4574                         begin_command_inset(os, "nomencl_print", "printnomenclature");
4575                         // case of a custom width
4576                         if (p.hasOpt()) {
4577                                 width = p.getArg('[', ']');
4578                                 width = translate_len(width);
4579                                 width_type = "custom";
4580                         }
4581                         // case of no custom width
4582                         // the case of no custom width but the width set
4583                         // via \settowidth{\nomlabelwidth}{***} cannot be supported
4584                         // because the user could have set anything, not only the width
4585                         // of the longest label (which would be width_type = "auto")
4586                         string label = convert_literate_command_inset_arg(p.getArg('{', '}'));
4587                         if (label.empty() && width_type.empty())
4588                                 width_type = "none";
4589                         os << "set_width \"" << width_type << "\"\n";
4590                         if (width_type == "custom")
4591                                 os << "width \"" << width << '\"';
4592                         end_inset(os);
4593                         skip_spaces_braces(p);
4594                         preamble.registerAutomaticallyLoadedPackage("nomencl");
4595                         continue;
4596                 }
4597
4598                 if ((t.cs() == "textsuperscript" || t.cs() == "textsubscript")) {
4599                         context.check_layout(os);
4600                         begin_inset(os, "script ");
4601                         os << t.cs().substr(4) << '\n';
4602                         newinsetlayout = findInsetLayout(context.textclass, t.cs(), true);
4603                         parse_text_in_inset(p, os, FLAG_ITEM, false, context, newinsetlayout);
4604                         end_inset(os);
4605                         if (t.cs() == "textsubscript")
4606                                 preamble.registerAutomaticallyLoadedPackage("subscript");
4607                         continue;
4608                 }
4609
4610                 if ((where = is_known(t.cs(), known_quotes))) {
4611                         context.check_layout(os);
4612                         begin_inset(os, "Quotes ");
4613                         string quotetype = known_coded_quotes[where - known_quotes];
4614                         // try to make a smart guess about the side
4615                         Token const prev = p.prev_token();
4616                         bool const opening = (prev.cat() != catSpace && prev.character() != 0
4617                                         && prev.character() != '\n' && prev.character() != '~');
4618                         quotetype = guessQuoteStyle(quotetype, opening);
4619                         os << quotetype;
4620                         end_inset(os);
4621                         // LyX adds {} after the quote, so we have to eat
4622                         // spaces here if there are any before a possible
4623                         // {} pair.
4624                         eat_whitespace(p, os, context, false);
4625                         skip_braces(p);
4626                         continue;
4627                 }
4628
4629                 if ((where = is_known(t.cs(), known_sizes)) &&
4630                         context.new_layout_allowed) {
4631                         context.check_layout(os);
4632                         TeXFont const oldFont = context.font;
4633                         context.font.size = known_coded_sizes[where - known_sizes];
4634                         output_font_change(os, oldFont, context.font);
4635                         eat_whitespace(p, os, context, false);
4636                         continue;
4637                 }
4638
4639                 if ((where = is_known(t.cs(), known_font_families)) &&
4640                          context.new_layout_allowed) {
4641                         context.check_layout(os);
4642                         TeXFont const oldFont = context.font;
4643                         context.font.family =
4644                                 known_coded_font_families[where - known_font_families];
4645                         output_font_change(os, oldFont, context.font);
4646                         eat_whitespace(p, os, context, false);
4647                         continue;
4648                 }
4649
4650                 if ((where = is_known(t.cs(), known_font_series)) &&
4651                          context.new_layout_allowed) {
4652                         context.check_layout(os);
4653                         TeXFont const oldFont = context.font;
4654                         context.font.series =
4655                                 known_coded_font_series[where - known_font_series];
4656                         output_font_change(os, oldFont, context.font);
4657                         eat_whitespace(p, os, context, false);
4658                         continue;
4659                 }
4660
4661                 if ((where = is_known(t.cs(), known_font_shapes)) &&
4662                          context.new_layout_allowed) {
4663                         context.check_layout(os);
4664                         TeXFont const oldFont = context.font;
4665                         context.font.shape =
4666                                 known_coded_font_shapes[where - known_font_shapes];
4667                         output_font_change(os, oldFont, context.font);
4668                         eat_whitespace(p, os, context, false);
4669                         continue;
4670                 }
4671                 if ((where = is_known(t.cs(), known_old_font_families)) &&
4672                          context.new_layout_allowed) {
4673                         context.check_layout(os);
4674                         TeXFont const oldFont = context.font;
4675                         context.font.init();
4676                         context.font.size = oldFont.size;
4677                         context.font.family =
4678                                 known_coded_font_families[where - known_old_font_families];
4679                         output_font_change(os, oldFont, context.font);
4680                         eat_whitespace(p, os, context, false);
4681                         continue;
4682                 }
4683
4684                 if ((where = is_known(t.cs(), known_old_font_series)) &&
4685                          context.new_layout_allowed) {
4686                         context.check_layout(os);
4687                         TeXFont const oldFont = context.font;
4688                         context.font.init();
4689                         context.font.size = oldFont.size;
4690                         context.font.series =
4691                                 known_coded_font_series[where - known_old_font_series];
4692                         output_font_change(os, oldFont, context.font);
4693                         eat_whitespace(p, os, context, false);
4694                         continue;
4695                 }
4696
4697                 if ((where = is_known(t.cs(), known_old_font_shapes)) &&
4698                          context.new_layout_allowed) {
4699                         context.check_layout(os);
4700                         TeXFont const oldFont = context.font;
4701                         context.font.init();
4702                         context.font.size = oldFont.size;
4703                         context.font.shape =
4704                                 known_coded_font_shapes[where - known_old_font_shapes];
4705                         output_font_change(os, oldFont, context.font);
4706                         eat_whitespace(p, os, context, false);
4707                         continue;
4708                 }
4709
4710                 if (t.cs() == "selectlanguage") {
4711                         context.check_layout(os);
4712                         // save the language for the case that a
4713                         // \foreignlanguage is used
4714                         context.font.language = babel2lyx(p.verbatim_item());
4715                         os << "\n\\lang " << context.font.language << "\n";
4716                         continue;
4717                 }
4718
4719                 if (t.cs() == "foreignlanguage") {
4720                         string const lang = babel2lyx(p.verbatim_item());
4721                         parse_text_attributes(p, os, FLAG_ITEM, outer,
4722                                               context, "\\lang",
4723                                               context.font.language, lang);
4724                         continue;
4725                 }
4726
4727                 if (prefixIs(t.cs(), "text") && preamble.usePolyglossia()
4728                          && is_known(t.cs().substr(4), preamble.polyglossia_languages)) {
4729                         // scheme is \textLANGUAGE{text} where LANGUAGE is in polyglossia_languages[]
4730                         string lang;
4731                         // We have to output the whole command if it has an option
4732                         // because LyX doesn't support this yet, see bug #8214,
4733                         // only if there is a single option specifying a variant, we can handle it.
4734                         if (p.hasOpt()) {
4735                                 string langopts = p.getOpt();
4736                                 // check if the option contains a variant, if yes, extract it
4737                                 string::size_type pos_var = langopts.find("variant");
4738                                 string::size_type i = langopts.find(',');
4739                                 string::size_type k = langopts.find('=', pos_var);
4740                                 if (pos_var != string::npos && i == string::npos) {
4741                                         string variant;
4742                                         variant = langopts.substr(k + 1, langopts.length() - k - 2);
4743                                         lang = preamble.polyglossia2lyx(variant);
4744                                         parse_text_attributes(p, os, FLAG_ITEM, outer,
4745                                                                   context, "\\lang",
4746                                                                   context.font.language, lang);
4747                                 } else
4748                                         output_ert_inset(os, t.asInput() + langopts, context);
4749                         } else {
4750                                 lang = preamble.polyglossia2lyx(t.cs().substr(4, string::npos));
4751                                 parse_text_attributes(p, os, FLAG_ITEM, outer,
4752                                                           context, "\\lang",
4753                                                           context.font.language, lang);
4754                         }
4755                         continue;
4756                 }
4757
4758                 if (t.cs() == "inputencoding") {
4759                         // nothing to write here
4760                         string const enc = subst(p.verbatim_item(), "\n", " ");
4761                         p.setEncoding(enc, Encoding::inputenc);
4762                         continue;
4763                 }
4764
4765                 if (is_known(t.cs(), known_special_chars) ||
4766                     (t.cs() == "protect" &&
4767                      p.next_token().cat() == catEscape &&
4768                      is_known(p.next_token().cs(), known_special_protect_chars))) {
4769                         // LyX sometimes puts a \protect in front, so we have to ignore it
4770                         where = is_known(
4771                                 t.cs() == "protect" ? p.get_token().cs() : t.cs(),
4772                                 known_special_chars);
4773                         context.check_layout(os);
4774                         os << known_coded_special_chars[where - known_special_chars];
4775                         skip_spaces_braces(p);
4776                         continue;
4777                 }
4778
4779                 if ((t.cs() == "nobreakdash" && p.next_token().asInput() == "-") ||
4780                          (t.cs() == "protect" && p.next_token().asInput() == "\\nobreakdash" &&
4781                           p.next_next_token().asInput() == "-") ||
4782                          (t.cs() == "@" && p.next_token().asInput() == ".")) {
4783                         // LyX sometimes puts a \protect in front, so we have to ignore it
4784                         if (t.cs() == "protect")
4785                                 p.get_token();
4786                         context.check_layout(os);
4787                         if (t.cs() == "nobreakdash")
4788                                 os << "\\SpecialChar nobreakdash\n";
4789                         else
4790                                 os << "\\SpecialChar endofsentence\n";
4791                         p.get_token();
4792                         continue;
4793                 }
4794
4795                 if (t.cs() == "_" || t.cs() == "&" || t.cs() == "#"
4796                             || t.cs() == "$" || t.cs() == "{" || t.cs() == "}"
4797                             || t.cs() == "%" || t.cs() == "-") {
4798                         context.check_layout(os);
4799                         if (t.cs() == "-")
4800                                 os << "\\SpecialChar softhyphen\n";
4801                         else
4802                                 os << t.cs();
4803                         continue;
4804                 }
4805
4806                 if (t.cs() == "char") {
4807                         context.check_layout(os);
4808                         if (p.next_token().character() == '`') {
4809                                 p.get_token();
4810                                 if (p.next_token().cs() == "\"") {
4811                                         p.get_token();
4812                                         os << '"';
4813                                         skip_braces(p);
4814                                 } else {
4815                                         output_ert_inset(os, "\\char`", context);
4816                                 }
4817                         } else {
4818                                 output_ert_inset(os, "\\char", context);
4819                         }
4820                         continue;
4821                 }
4822
4823                 if (t.cs() == "verb") {
4824                         context.check_layout(os);
4825                         // set catcodes to verbatim early, just in case.
4826                         p.setCatcodes(VERBATIM_CATCODES);
4827                         string delim = p.get_token().asInput();
4828                         Parser::Arg arg = p.verbatimStuff(delim);
4829                         if (arg.first)
4830                                 output_ert_inset(os, "\\verb" + delim
4831                                                  + arg.second + delim, context);
4832                         else
4833                                 cerr << "invalid \\verb command. Skipping" << endl;
4834                         continue;
4835                 }
4836
4837                 // Problem: \= creates a tabstop inside the tabbing environment
4838                 // and else an accent. In the latter case we really would want
4839                 // \={o} instead of \= o.
4840                 if (t.cs() == "=" && (flags & FLAG_TABBING)) {
4841                         output_ert_inset(os, t.asInput(), context);
4842                         continue;
4843                 }
4844
4845                 if (t.cs() == "\\") {
4846                         context.check_layout(os);
4847                         if (p.hasOpt())
4848                                 output_ert_inset(os, "\\\\" + p.getOpt(), context);
4849                         else if (p.next_token().asInput() == "*") {
4850                                 p.get_token();
4851                                 // getOpt() eats the following space if there
4852                                 // is no optional argument, but that is OK
4853                                 // here since it has no effect in the output.
4854                                 output_ert_inset(os, "\\\\*" + p.getOpt(), context);
4855                         }
4856                         else {
4857                                 begin_inset(os, "Newline newline");
4858                                 end_inset(os);
4859                         }
4860                         continue;
4861                 }
4862
4863                 if (t.cs() == "newline" ||
4864                     (t.cs() == "linebreak" && !p.hasOpt())) {
4865                         context.check_layout(os);
4866                         begin_inset(os, "Newline ");
4867                         os << t.cs();
4868                         end_inset(os);
4869                         skip_spaces_braces(p);
4870                         continue;
4871                 }
4872
4873                 if (t.cs() == "input" || t.cs() == "include"
4874                     || t.cs() == "verbatiminput"
4875                     || t.cs() == "lstinputlisting"
4876                     || t.cs() == "inputminted") {
4877                         string name = t.cs();
4878                         if (name == "verbatiminput"
4879                             && p.next_token().asInput() == "*")
4880                                 name += p.get_token().asInput();
4881                         context.check_layout(os);
4882                         string lstparams;
4883                         if (name == "lstinputlisting" && p.hasOpt()) {
4884                                 lstparams = p.getArg('[', ']');
4885                                 lstparams = subst(lstparams, "\n", " ");
4886                         } else if (name == "inputminted") {
4887                                 name = "lstinputlisting";
4888                                 string const lang = p.getArg('{', '}');
4889                                 if (lang != "tex") {
4890                                         string cmd = "\\inputminted{" + lang + "}{";
4891                                         cmd += p.getArg('{', '}') + "}";
4892                                         output_ert_inset(os, cmd, context);
4893                                         continue;
4894                                 }
4895                                 if (prefixIs(minted_nonfloat_caption, "[t]")) {
4896                                         minted_nonfloat_caption.erase(0,3);
4897                                         // extract label and caption from the already produced LyX code
4898                                         vector<string> nfc = getVectorFromString(minted_nonfloat_caption, "\n");
4899                                         string const caption = nfc.front();
4900                                         string label;
4901                                         vector<string>::iterator it =
4902                                                 find(nfc.begin(), nfc.end(), "LatexCommand label");
4903                                         if (it != nfc.end()) {
4904                                                 ++it;
4905                                                 if (it != nfc.end())
4906                                                         label = *it;
4907                                                 label = support::split(label, '"');
4908                                                 label.pop_back();
4909                                         }
4910                                         minted_nonfloat_caption.clear();
4911                                         lstparams = "caption=" + caption;
4912                                         if (!label.empty())
4913                                                 lstparams += ",label=" + label;
4914                                         lstparams = subst(lstparams, "\n", " ");
4915                                 }
4916                         }
4917                         string filename(normalize_filename(p.getArg('{', '}')));
4918                         string const path = getMasterFilePath(true);
4919                         // We want to preserve relative / absolute filenames,
4920                         // therefore path is only used for testing
4921                         if ((t.cs() == "include" || t.cs() == "input") &&
4922                             !makeAbsPath(filename, path).exists()) {
4923                                 // The file extension is probably missing.
4924                                 // Now try to find it out.
4925                                 string const tex_name =
4926                                         find_file(filename, path,
4927                                                   known_tex_extensions);
4928                                 if (!tex_name.empty())
4929                                         filename = tex_name;
4930                         }
4931                         bool external = false;
4932                         string outname;
4933                         if (makeAbsPath(filename, path).exists()) {
4934                                 string const abstexname =
4935                                         makeAbsPath(filename, path).absFileName();
4936                                 string const absfigname =
4937                                         changeExtension(abstexname, ".fig");
4938                                 fix_child_filename(filename);
4939                                 string const lyxname = changeExtension(filename,
4940                                         roundtripMode() ? ".lyx.lyx" : ".lyx");
4941                                 string const abslyxname = makeAbsPath(
4942                                         lyxname, getParentFilePath(false)).absFileName();
4943                                 bool xfig = false;
4944                                 if (!skipChildren())
4945                                         external = FileName(absfigname).exists();
4946                                 if (t.cs() == "input" && !skipChildren()) {
4947                                         string const ext = getExtension(abstexname);
4948
4949                                         // Combined PS/LaTeX:
4950                                         // x.eps, x.pstex_t (old xfig)
4951                                         // x.pstex, x.pstex_t (new xfig, e.g. 3.2.5)
4952                                         FileName const absepsname(
4953                                                 changeExtension(abstexname, ".eps"));
4954                                         FileName const abspstexname(
4955                                                 changeExtension(abstexname, ".pstex"));
4956                                         bool const xfigeps =
4957                                                 (absepsname.exists() ||
4958                                                  abspstexname.exists()) &&
4959                                                 ext == "pstex_t";
4960
4961                                         // Combined PDF/LaTeX:
4962                                         // x.pdf, x.pdftex_t (old xfig)
4963                                         // x.pdf, x.pdf_t (new xfig, e.g. 3.2.5)
4964                                         FileName const abspdfname(
4965                                                 changeExtension(abstexname, ".pdf"));
4966                                         bool const xfigpdf =
4967                                                 abspdfname.exists() &&
4968                                                 (ext == "pdftex_t" || ext == "pdf_t");
4969                                         if (xfigpdf)
4970                                                 pdflatex = true;
4971
4972                                         // Combined PS/PDF/LaTeX:
4973                                         // x_pspdftex.eps, x_pspdftex.pdf, x.pspdftex
4974                                         string const absbase2(
4975                                                 removeExtension(abstexname) + "_pspdftex");
4976                                         FileName const abseps2name(
4977                                                 addExtension(absbase2, ".eps"));
4978                                         FileName const abspdf2name(
4979                                                 addExtension(absbase2, ".pdf"));
4980                                         bool const xfigboth =
4981                                                 abspdf2name.exists() &&
4982                                                 abseps2name.exists() && ext == "pspdftex";
4983
4984                                         xfig = xfigpdf || xfigeps || xfigboth;
4985                                         external = external && xfig;
4986                                 }
4987                                 if (external) {
4988                                         outname = changeExtension(filename, ".fig");
4989                                         FileName abssrc(changeExtension(abstexname, ".fig"));
4990                                         copy_file(abssrc, outname);
4991                                 } else if (xfig) {
4992                                         // Don't try to convert, the result
4993                                         // would be full of ERT.
4994                                         outname = filename;
4995                                         FileName abssrc(abstexname);
4996                                         copy_file(abssrc, outname);
4997                                 } else if (t.cs() != "verbatiminput" &&
4998                                            !skipChildren() &&
4999                                     tex2lyx(abstexname, FileName(abslyxname),
5000                                             p.getEncoding())) {
5001                                         outname = lyxname;
5002                                         // no need to call copy_file
5003                                         // tex2lyx creates the file
5004                                 } else {
5005                                         outname = filename;
5006                                         FileName abssrc(abstexname);
5007                                         copy_file(abssrc, outname);
5008                                 }
5009                         } else {
5010                                 cerr << "Warning: Could not find included file '"
5011                                      << filename << "'." << endl;
5012                                 outname = filename;
5013                         }
5014                         if (external) {
5015                                 begin_inset(os, "External\n");
5016                                 os << "\ttemplate XFig\n"
5017                                    << "\tfilename " << outname << '\n';
5018                                 registerExternalTemplatePackages("XFig");
5019                         } else {
5020                                 begin_command_inset(os, "include", name);
5021                                 outname = subst(outname, "\"", "\\\"");
5022                                 os << "preview false\n"
5023                                       "filename \"" << outname << "\"\n";
5024                                 if (!lstparams.empty())
5025                                         os << "lstparams \"" << lstparams << "\"\n";
5026                                 if (t.cs() == "verbatiminput")
5027                                         preamble.registerAutomaticallyLoadedPackage("verbatim");
5028                         }
5029                         end_inset(os);
5030                         continue;
5031                 }
5032
5033                 if (t.cs() == "bibliographystyle") {
5034                         // store new bibliographystyle
5035                         bibliographystyle = p.verbatim_item();
5036                         // If any other command than \bibliography, \addcontentsline
5037                         // and \nocite{*} follows, we need to output the style
5038                         // (because it might be used by that command).
5039                         // Otherwise, it will automatically be output by LyX.
5040                         p.pushPosition();
5041                         bool output = true;
5042                         for (Token t2 = p.get_token(); p.good(); t2 = p.get_token()) {
5043                                 if (t2.cat() == catBegin)
5044                                         break;
5045                                 if (t2.cat() != catEscape)
5046                                         continue;
5047                                 if (t2.cs() == "nocite") {
5048                                         if (p.getArg('{', '}') == "*")
5049                                                 continue;
5050                                 } else if (t2.cs() == "bibliography")
5051                                         output = false;
5052                                 else if (t2.cs() == "phantomsection") {
5053                                         output = false;
5054                                         continue;
5055                                 }
5056                                 else if (t2.cs() == "addcontentsline") {
5057                                         // get the 3 arguments of \addcontentsline
5058                                         p.getArg('{', '}');
5059                                         p.getArg('{', '}');
5060                                         contentslineContent = p.getArg('{', '}');
5061                                         // if the last argument is not \refname we must output
5062                                         if (contentslineContent == "\\refname")
5063                                                 output = false;
5064                                 }
5065                                 break;
5066                         }
5067                         p.popPosition();
5068                         if (output) {
5069                                 output_ert_inset(os,
5070                                         "\\bibliographystyle{" + bibliographystyle + '}',
5071                                         context);
5072                         }
5073                         continue;
5074                 }
5075
5076                 if (t.cs() == "phantomsection") {
5077                         // we only support this if it occurs between
5078                         // \bibliographystyle and \bibliography
5079                         if (bibliographystyle.empty())
5080                                 output_ert_inset(os, "\\phantomsection", context);
5081                         continue;
5082                 }
5083
5084                 if (t.cs() == "addcontentsline") {
5085                         context.check_layout(os);
5086                         // get the 3 arguments of \addcontentsline
5087                         string const one = p.getArg('{', '}');
5088                         string const two = p.getArg('{', '}');
5089                         string const three = p.getArg('{', '}');
5090                         // only if it is a \refname, we support if for the bibtex inset
5091                         if (contentslineContent != "\\refname") {
5092                                 output_ert_inset(os,
5093                                         "\\addcontentsline{" + one + "}{" + two + "}{"+ three + '}',
5094                                         context);
5095                         }
5096                         continue;
5097                 }
5098
5099                 else if (t.cs() == "bibliography") {
5100                         context.check_layout(os);
5101                         string BibOpts;
5102                         begin_command_inset(os, "bibtex", "bibtex");
5103                         if (!btprint.empty()) {
5104                                 os << "btprint " << '"' << "btPrintAll" << '"' << "\n";
5105                                 // clear the string because the next BibTeX inset can be without the
5106                                 // \nocite{*} option
5107                                 btprint.clear();
5108                         }
5109                         os << "bibfiles " << '"' << normalize_filename(p.verbatim_item()) << '"' << "\n";
5110                         // Do we have addcontentsline?
5111                         if (contentslineContent == "\\refname") {
5112                                 BibOpts = "bibtotoc";
5113                                 // clear string because next BibTeX inset can be without addcontentsline
5114                                 contentslineContent.clear();
5115                         }
5116                         // Do we have a bibliographystyle set?
5117                         if (!bibliographystyle.empty()) {
5118                                 if (BibOpts.empty())
5119                                         BibOpts = normalize_filename(bibliographystyle);
5120                                 else
5121                                         BibOpts = BibOpts + ',' + normalize_filename(bibliographystyle);
5122                                 // clear it because each bibtex entry has its style
5123                                 // and we need an empty string to handle \phantomsection
5124                                 bibliographystyle.clear();
5125                         }
5126                         os << "options " << '"' << BibOpts << '"' << "\n";
5127                         end_inset(os);
5128                         continue;
5129                 }
5130
5131                 if (t.cs() == "printbibliography") {
5132                         context.check_layout(os);
5133                         string BibOpts;
5134                         string bbloptions = p.hasOpt() ? p.getArg('[', ']') : string();
5135                         vector<string> opts = getVectorFromString(bbloptions);
5136                         vector<string>::iterator it =
5137                                 find(opts.begin(), opts.end(), "heading=bibintoc");
5138                         if (it != opts.end()) {
5139                                 opts.erase(it);
5140                                 BibOpts = "bibtotoc";
5141                         }
5142                         bbloptions = getStringFromVector(opts);
5143                         begin_command_inset(os, "bibtex", "bibtex");
5144                         if (!btprint.empty()) {
5145                                 os << "btprint " << '"' << "btPrintAll" << '"' << "\n";
5146                                 // clear the string because the next BibTeX inset can be without the
5147                                 // \nocite{*} option
5148                                 btprint.clear();
5149                         }
5150                         string bibfiles;
5151                         for (auto const & bf : preamble.biblatex_bibliographies) {
5152                                 if (!bibfiles.empty())
5153                                         bibfiles += ",";
5154                                 bibfiles += normalize_filename(bf);
5155                         }
5156                         if (!bibfiles.empty())
5157                                 os << "bibfiles " << '"' << bibfiles << '"' << "\n";
5158                         // Do we have addcontentsline?
5159                         if (contentslineContent == "\\refname") {
5160                                 BibOpts = "bibtotoc";
5161                                 // clear string because next BibTeX inset can be without addcontentsline
5162                                 contentslineContent.clear();
5163                         }
5164                         os << "options " << '"' << BibOpts << '"' << "\n";
5165                         if (!bbloptions.empty())
5166                                 os << "biblatexopts " << '"' << bbloptions << '"' << "\n";
5167                         end_inset(os);
5168                         need_commentbib = false;
5169                         continue;
5170                 }
5171
5172                 if (t.cs() == "bibbysection") {
5173                         context.check_layout(os);
5174                         string BibOpts;
5175                         string bbloptions = p.hasOpt() ? p.getArg('[', ']') : string();
5176                         vector<string> opts = getVectorFromString(bbloptions);
5177                         vector<string>::iterator it =
5178                                 find(opts.begin(), opts.end(), "heading=bibintoc");
5179                         if (it != opts.end()) {
5180                                 opts.erase(it);
5181                                 BibOpts = "bibtotoc";
5182                         }
5183                         bbloptions = getStringFromVector(opts);
5184                         begin_command_inset(os, "bibtex", "bibtex");
5185                         os << "btprint " << '"' << "bibbysection" << '"' << "\n";
5186                         string bibfiles;
5187                         for (auto const & bf : preamble.biblatex_bibliographies) {
5188                                 if (!bibfiles.empty())
5189                                         bibfiles += ",";
5190                                 bibfiles += normalize_filename(bf);
5191                         }
5192                         if (!bibfiles.empty())
5193                                 os << "bibfiles " << '"' << bibfiles << '"' << "\n";
5194                         os << "options " << '"' << BibOpts << '"' << "\n";
5195                         if (!bbloptions.empty())
5196                                 os << "biblatexopts " << '"' << bbloptions << '"' << "\n";
5197                         end_inset(os);
5198                         need_commentbib = false;
5199                         continue;
5200                 }
5201
5202                 if (t.cs() == "parbox") {
5203                         // Test whether this is an outer box of a shaded box
5204                         p.pushPosition();
5205                         // swallow arguments
5206                         while (p.hasOpt()) {
5207                                 p.getArg('[', ']');
5208                                 p.skip_spaces(true);
5209                         }
5210                         p.getArg('{', '}');
5211                         p.skip_spaces(true);
5212                         // eat the '{'
5213                         if (p.next_token().cat() == catBegin)
5214                                 p.get_token();
5215                         p.skip_spaces(true);
5216                         Token to = p.get_token();
5217                         bool shaded = false;
5218                         if (to.asInput() == "\\begin") {
5219                                 p.skip_spaces(true);
5220                                 if (p.getArg('{', '}') == "shaded")
5221                                         shaded = true;
5222                         }
5223                         p.popPosition();
5224                         if (shaded) {
5225                                 parse_outer_box(p, os, FLAG_ITEM, outer,
5226                                                 context, "parbox", "shaded");
5227                         } else
5228                                 parse_box(p, os, 0, FLAG_ITEM, outer, context,
5229                                           "", "", t.cs(), "", "");
5230                         continue;
5231                 }
5232
5233                 if (t.cs() == "fbox" || t.cs() == "mbox" ||
5234                     t.cs() == "ovalbox" || t.cs() == "Ovalbox" ||
5235                     t.cs() == "shadowbox" || t.cs() == "doublebox") {
5236                         parse_outer_box(p, os, FLAG_ITEM, outer, context, t.cs(), "");
5237                         continue;
5238                 }
5239
5240                 if (t.cs() == "fcolorbox" || t.cs() == "colorbox") {
5241                         string backgroundcolor;
5242                         preamble.registerAutomaticallyLoadedPackage("xcolor");
5243                         if (t.cs() == "fcolorbox") {
5244                                 string const framecolor = p.getArg('{', '}');
5245                                 backgroundcolor = p.getArg('{', '}');
5246                                 parse_box(p, os, 0, 0, outer, context, "", "", "", framecolor, backgroundcolor);
5247                         } else {
5248                                 backgroundcolor = p.getArg('{', '}');
5249                                 parse_box(p, os, 0, 0, outer, context, "", "", "", "", backgroundcolor);
5250                         }
5251                         continue;
5252                 }
5253
5254                 // FIXME: due to the compiler limit of "if" nestings
5255                 // the code for the alignment was put here
5256                 // put them in their own if if this is fixed
5257                 if (t.cs() == "fboxrule" || t.cs() == "fboxsep"
5258                     || t.cs() == "shadowsize"
5259                     || t.cs() == "raggedleft" || t.cs() == "centering"
5260                     || t.cs() == "raggedright") {
5261                         if (t.cs() == "fboxrule")
5262                                 fboxrule = "";
5263                         if (t.cs() == "fboxsep")
5264                                 fboxsep = "";
5265                         if (t.cs() == "shadowsize")
5266                                 shadow_size = "";
5267                         if (t.cs() != "raggedleft" && t.cs() != "centering"
5268                          && t.cs() != "raggedright") {
5269                                 p.skip_spaces(true);
5270                                 while (p.good() && p.next_token().cat() != catSpace
5271                                        && p.next_token().cat() != catNewline
5272                                        && p.next_token().cat() != catEscape) {
5273                                         if (t.cs() == "fboxrule")
5274                                                 fboxrule = fboxrule + p.get_token().asInput();
5275                                         if (t.cs() == "fboxsep")
5276                                                 fboxsep = fboxsep + p.get_token().asInput();
5277                                         if (t.cs() == "shadowsize")
5278                                                 shadow_size = shadow_size + p.get_token().asInput();
5279                                 }
5280                         } else {
5281                                 output_ert_inset(os, t.asInput(), context);
5282                         }
5283                         continue;
5284                 }
5285
5286                 //\framebox() is part of the picture environment and different from \framebox{}
5287                 //\framebox{} will be parsed by parse_outer_box
5288                 if (t.cs() == "framebox") {
5289                         if (p.next_token().character() == '(') {
5290                                 //the syntax is: \framebox(x,y)[position]{content}
5291                                 string arg = t.asInput();
5292                                 arg += p.getFullParentheseArg();
5293                                 arg += p.getFullOpt();
5294                                 eat_whitespace(p, os, context, false);
5295                                 output_ert_inset(os, arg + '{', context);
5296                                 parse_text(p, os, FLAG_ITEM, outer, context);
5297                                 output_ert_inset(os, "}", context);
5298                         } else {
5299                                 //the syntax is: \framebox[width][position]{content}
5300                                 string special = p.getFullOpt();
5301                                 special += p.getOpt();
5302                                 parse_outer_box(p, os, FLAG_ITEM, outer,
5303                                                     context, t.cs(), special);
5304                         }
5305                         continue;
5306                 }
5307
5308                 //\makebox() is part of the picture environment and different from \makebox{}
5309                 //\makebox{} will be parsed by parse_box
5310                 if (t.cs() == "makebox") {
5311                         if (p.next_token().character() == '(') {
5312                                 //the syntax is: \makebox(x,y)[position]{content}
5313                                 string arg = t.asInput();
5314                                 arg += p.getFullParentheseArg();
5315                                 arg += p.getFullOpt();
5316                                 eat_whitespace(p, os, context, false);
5317                                 output_ert_inset(os, arg + '{', context);
5318                                 parse_text(p, os, FLAG_ITEM, outer, context);
5319                                 output_ert_inset(os, "}", context);
5320                         } else
5321                                 //the syntax is: \makebox[width][position]{content}
5322                                 parse_box(p, os, 0, FLAG_ITEM, outer, context,
5323                                           "", "", t.cs(), "", "");
5324                         continue;
5325                 }
5326
5327                 if (t.cs() == "smallskip" ||
5328                     t.cs() == "medskip" ||
5329                     t.cs() == "bigskip" ||
5330                     t.cs() == "vfill") {
5331                         context.check_layout(os);
5332                         begin_inset(os, "VSpace ");
5333                         os << t.cs();
5334                         end_inset(os);
5335                         skip_spaces_braces(p);
5336                         continue;
5337                 }
5338
5339                 if ((where = is_known(t.cs(), known_spaces))) {
5340                         context.check_layout(os);
5341                         begin_inset(os, "space ");
5342                         os << '\\' << known_coded_spaces[where - known_spaces]
5343                            << '\n';
5344                         end_inset(os);
5345                         // LaTeX swallows whitespace after all spaces except
5346                         // "\\,". We have to do that here, too, because LyX
5347                         // adds "{}" which would make the spaces significant.
5348                         if (t.cs() !=  ",")
5349                                 eat_whitespace(p, os, context, false);
5350                         // LyX adds "{}" after all spaces except "\\ " and
5351                         // "\\,", so we have to remove "{}".
5352                         // "\\,{}" is equivalent to "\\," in LaTeX, so we
5353                         // remove the braces after "\\,", too.
5354                         if (t.cs() != " ")
5355                                 skip_braces(p);
5356                         continue;
5357                 }
5358
5359                 if (t.cs() == "newpage" ||
5360                     (t.cs() == "pagebreak" && !p.hasOpt()) ||
5361                     t.cs() == "clearpage" ||
5362                     t.cs() == "cleardoublepage") {
5363                         context.check_layout(os);
5364                         begin_inset(os, "Newpage ");
5365                         os << t.cs();
5366                         end_inset(os);
5367                         skip_spaces_braces(p);
5368                         continue;
5369                 }
5370
5371                 if (t.cs() == "DeclareRobustCommand" ||
5372                          t.cs() == "DeclareRobustCommandx" ||
5373                          t.cs() == "newcommand" ||
5374                          t.cs() == "newcommandx" ||
5375                          t.cs() == "providecommand" ||
5376                          t.cs() == "providecommandx" ||
5377                          t.cs() == "renewcommand" ||
5378                          t.cs() == "renewcommandx") {
5379                         // DeclareRobustCommand, DeclareRobustCommandx,
5380                         // providecommand and providecommandx could be handled
5381                         // by parse_command(), but we need to call
5382                         // add_known_command() here.
5383                         string name = t.asInput();
5384                         if (p.next_token().asInput() == "*") {
5385                                 // Starred form. Eat '*'
5386                                 p.get_token();
5387                                 name += '*';
5388                         }
5389                         string const command = p.verbatim_item();
5390                         string const opt1 = p.getFullOpt();
5391                         string const opt2 = p.getFullOpt();
5392                         add_known_command(command, opt1, !opt2.empty());
5393                         string const ert = name + '{' + command + '}' +
5394                                            opt1 + opt2 +
5395                                            '{' + p.verbatim_item() + '}';
5396
5397                         if (t.cs() == "DeclareRobustCommand" ||
5398                             t.cs() == "DeclareRobustCommandx" ||
5399                             t.cs() == "providecommand" ||
5400                             t.cs() == "providecommandx" ||
5401                             name[name.length()-1] == '*')
5402                                 output_ert_inset(os, ert, context);
5403                         else {
5404                                 context.check_layout(os);
5405                                 begin_inset(os, "FormulaMacro");
5406                                 os << "\n" << ert;
5407                                 end_inset(os);
5408                         }
5409                         continue;
5410                 }
5411
5412                 if (t.cs() == "let" && p.next_token().asInput() != "*") {
5413                         // let could be handled by parse_command(),
5414                         // but we need to call add_known_command() here.
5415                         string ert = t.asInput();
5416                         string name;
5417                         p.skip_spaces();
5418                         if (p.next_token().cat() == catBegin) {
5419                                 name = p.verbatim_item();
5420                                 ert += '{' + name + '}';
5421                         } else {
5422                                 name = p.verbatim_item();
5423                                 ert += name;
5424                         }
5425                         string command;
5426                         p.skip_spaces();
5427                         if (p.next_token().cat() == catBegin) {
5428                                 command = p.verbatim_item();
5429                                 ert += '{' + command + '}';
5430                         } else {
5431                                 command = p.verbatim_item();
5432                                 ert += command;
5433                         }
5434                         // If command is known, make name known too, to parse
5435                         // its arguments correctly. For this reason we also
5436                         // have commands in syntax.default that are hardcoded.
5437                         CommandMap::iterator it = known_commands.find(command);
5438                         if (it != known_commands.end())
5439                                 known_commands[t.asInput()] = it->second;
5440                         output_ert_inset(os, ert, context);
5441                         continue;
5442                 }
5443
5444                 if (t.cs() == "hspace" || t.cs() == "vspace") {
5445                         if (starred)
5446                                 p.get_token();
5447                         string name = t.asInput();
5448                         string const length = p.verbatim_item();
5449                         string unit;
5450                         string valstring;
5451                         bool valid = splitLatexLength(length, valstring, unit);
5452                         bool known_hspace = false;
5453                         bool known_vspace = false;
5454                         bool known_unit = false;
5455                         double value;
5456                         if (valid) {
5457                                 istringstream iss(valstring);
5458                                 iss >> value;
5459                                 if (value == 1.0) {
5460                                         if (t.cs()[0] == 'h') {
5461                                                 if (unit == "\\fill") {
5462                                                         if (!starred) {
5463                                                                 unit = "";
5464                                                                 name = "\\hfill";
5465                                                         }
5466                                                         known_hspace = true;
5467                                                 }
5468                                         } else {
5469                                                 if (unit == "\\smallskipamount") {
5470                                                         unit = "smallskip";
5471                                                         known_vspace = true;
5472                                                 } else if (unit == "\\medskipamount") {
5473                                                         unit = "medskip";
5474                                                         known_vspace = true;
5475                                                 } else if (unit == "\\bigskipamount") {
5476                                                         unit = "bigskip";
5477                                                         known_vspace = true;
5478                                                 } else if (unit == "\\fill") {
5479                                                         unit = "vfill";
5480                                                         known_vspace = true;
5481                                                 }
5482                                         }
5483                                 }
5484                                 if (!known_hspace && !known_vspace) {
5485                                         switch (unitFromString(unit)) {
5486                                         case Length::SP:
5487                                         case Length::PT:
5488                                         case Length::BP:
5489                                         case Length::DD:
5490                                         case Length::MM:
5491                                         case Length::PC:
5492                                         case Length::CC:
5493                                         case Length::CM:
5494                                         case Length::IN:
5495                                         case Length::EX:
5496                                         case Length::EM:
5497                                         case Length::MU:
5498                                                 known_unit = true;
5499                                                 break;
5500                                         default: {
5501                                                 //unitFromString(unit) fails for relative units like Length::PCW
5502                                                 // therefore handle them separately
5503                                                 if (unit == "\\paperwidth" || unit == "\\columnwidth"
5504                                                         || unit == "\\textwidth" || unit == "\\linewidth"
5505                                                         || unit == "\\textheight" || unit == "\\paperheight"
5506                                                         || unit == "\\baselineskip")
5507                                                         known_unit = true;
5508                                                 break;
5509                                                          }
5510                                         }
5511                                 }
5512                         }
5513
5514                         // check for glue lengths
5515                         bool is_gluelength = false;
5516                         string gluelength = length;
5517                         string::size_type i = length.find(" minus");
5518                         if (i == string::npos) {
5519                                 i = length.find(" plus");
5520                                 if (i != string::npos)
5521                                         is_gluelength = true;
5522                         } else
5523                                 is_gluelength = true;
5524                         // if yes transform "9xx minus 8yy plus 7zz"
5525                         // to "9xx-8yy+7zz"
5526                         if (is_gluelength) {
5527                                 i = gluelength.find(" minus");
5528                                 if (i != string::npos)
5529                                         gluelength.replace(i, 7, "-");
5530                                 i = gluelength.find(" plus");
5531                                 if (i != string::npos)
5532                                         gluelength.replace(i, 6, "+");
5533                         }
5534
5535                         if (t.cs()[0] == 'h' && (known_unit || known_hspace || is_gluelength)) {
5536                                 // Literal horizontal length or known variable
5537                                 context.check_layout(os);
5538                                 begin_inset(os, "space ");
5539                                 os << name;
5540                                 if (starred)
5541                                         os << '*';
5542                                 os << '{';
5543                                 if (known_hspace)
5544                                         os << unit;
5545                                 os << "}";
5546                                 if (known_unit && !known_hspace)
5547                                         os << "\n\\length " << translate_len(length);
5548                                 if (is_gluelength)
5549                                         os << "\n\\length " << gluelength;
5550                                 end_inset(os);
5551                         } else if (known_unit || known_vspace || is_gluelength) {
5552                                 // Literal vertical length or known variable
5553                                 context.check_layout(os);
5554                                 begin_inset(os, "VSpace ");
5555                                 if (known_vspace)
5556                                         os << unit;
5557                                 if (known_unit && !known_vspace)
5558                                         os << translate_len(length);
5559                                 if (is_gluelength)
5560                                         os << gluelength;
5561                                 if (starred)
5562                                         os << '*';
5563                                 end_inset(os);
5564                         } else {
5565                                 // LyX can't handle other length variables in Inset VSpace/space
5566                                 if (starred)
5567                                         name += '*';
5568                                 if (valid) {
5569                                         if (value == 1.0)
5570                                                 output_ert_inset(os, name + '{' + unit + '}', context);
5571                                         else if (value == -1.0)
5572                                                 output_ert_inset(os, name + "{-" + unit + '}', context);
5573                                         else
5574                                                 output_ert_inset(os, name + '{' + valstring + unit + '}', context);
5575                                 } else
5576                                         output_ert_inset(os, name + '{' + length + '}', context);
5577                         }
5578                         continue;
5579                 }
5580
5581                 // Before we look for the layout name alone below, we check the layouts including the LateXParam, which
5582                 // might be one or several options or a star.
5583                 // The single '=' is meant here.
5584                 if ((newinsetlayout = findInsetLayout(context.textclass, starredname, true, p.getCommandLatexParam()))) {
5585                         if (starred)
5586                                 p.get_token();
5587                         p.skip_spaces();
5588                         context.check_layout(os);
5589                         // store the latexparam here. This is eaten in parse_text_in_inset
5590                         context.latexparam = newinsetlayout->latexparam();
5591                         docstring name = newinsetlayout->name();
5592                         bool const caption = name.find(from_ascii("Caption:")) == 0;
5593                         if (caption) {
5594                                 // Already done for floating minted listings.
5595                                 if (minted_float.empty()) {
5596                                         begin_inset(os, "Caption ");
5597                                         os << to_utf8(name.substr(8)) << '\n';
5598                                 }
5599                         } else {
5600                                 // FIXME: what do we do if the prefix is not Flex: ?
5601                                 if (prefixIs(name, from_ascii("Flex:")))
5602                                         name.erase(0, 5);
5603                                 begin_inset(os, "Flex ");
5604                                 os << to_utf8(name) << '\n'
5605                                    << "status collapsed\n";
5606                         }
5607                         if (!minted_float.empty()) {
5608                                 parse_text_snippet(p, os, FLAG_ITEM, false, context);
5609                         } else if (newinsetlayout->isPassThru()) {
5610                                 // set catcodes to verbatim early, just in case.
5611                                 p.setCatcodes(VERBATIM_CATCODES);
5612                                 string delim = p.get_token().asInput();
5613                                 if (delim != "{")
5614                                         cerr << "Warning: bad delimiter for command " << t.asInput() << endl;
5615                                 //FIXME: handle error condition
5616                                 string const arg = p.verbatimStuff("}").second;
5617                                 Context newcontext(true, context.textclass);
5618                                 if (newinsetlayout->forcePlainLayout())
5619                                         newcontext.layout = &context.textclass.plainLayout();
5620                                 output_ert(os, arg, newcontext);
5621                         } else
5622                                 parse_text_in_inset(p, os, FLAG_ITEM, false, context, newinsetlayout);
5623                         context.latexparam.clear();
5624                         if (caption)
5625                                 p.skip_spaces();
5626                         // Minted caption insets are not closed here because
5627                         // we collect everything into the caption.
5628                         if (minted_float.empty())
5629                                 end_inset(os);
5630                         continue;
5631                 }
5632
5633                 // The single '=' is meant here.
5634                 if ((newinsetlayout = findInsetLayout(context.textclass, starredname, true))) {
5635                         if (starred)
5636                                 p.get_token();
5637                         p.skip_spaces();
5638                         context.check_layout(os);
5639                         docstring const name = newinsetlayout->name();
5640                         bool const caption = name.find(from_ascii("Caption:")) == 0;
5641                         if (caption) {
5642                                 // Already done for floating minted listings.
5643                                 if (minted_float.empty()) {
5644                                         begin_inset(os, "Caption ");
5645                                         os << to_utf8(name.substr(8)) << '\n';
5646                                 }
5647                         } else {
5648                                 begin_inset(os, "Flex ");
5649                                 os << to_utf8(name) << '\n'
5650                                    << "status collapsed\n";
5651                         }
5652                         if (!minted_float.empty()) {
5653                                 parse_text_snippet(p, os, FLAG_ITEM, false, context);
5654                         } else if (newinsetlayout->isPassThru()) {
5655                                 // set catcodes to verbatim early, just in case.
5656                                 p.setCatcodes(VERBATIM_CATCODES);
5657                                 string delim = p.get_token().asInput();
5658                                 if (delim != "{")
5659                                         cerr << "Warning: bad delimiter for command " << t.asInput() << endl;
5660                                 //FIXME: handle error condition
5661                                 string const arg = p.verbatimStuff("}").second;
5662                                 Context newcontext(true, context.textclass);
5663                                 if (newinsetlayout->forcePlainLayout())
5664                                         newcontext.layout = &context.textclass.plainLayout();
5665                                 output_ert(os, arg, newcontext);
5666                         } else
5667                                 parse_text_in_inset(p, os, FLAG_ITEM, false, context, newinsetlayout);
5668                         if (caption)
5669                                 p.skip_spaces();
5670                         // Minted caption insets are not closed here because
5671                         // we collect everything into the caption.
5672                         if (minted_float.empty())
5673                                 end_inset(os);
5674                         continue;
5675                 }
5676
5677                 if (t.cs() == "includepdf") {
5678                         p.skip_spaces();
5679                         string const arg = p.getArg('[', ']');
5680                         map<string, string> opts;
5681                         vector<string> keys;
5682                         split_map(arg, opts, keys);
5683                         string name = normalize_filename(p.verbatim_item());
5684                         string const path = getMasterFilePath(true);
5685                         // We want to preserve relative / absolute filenames,
5686                         // therefore path is only used for testing
5687                         if (!makeAbsPath(name, path).exists()) {
5688                                 // The file extension is probably missing.
5689                                 // Now try to find it out.
5690                                 char const * const pdfpages_format[] = {"pdf", 0};
5691                                 string const pdftex_name =
5692                                         find_file(name, path, pdfpages_format);
5693                                 if (!pdftex_name.empty()) {
5694                                         name = pdftex_name;
5695                                         pdflatex = true;
5696                                 }
5697                         }
5698                         FileName const absname = makeAbsPath(name, path);
5699                         if (absname.exists())
5700                         {
5701                                 fix_child_filename(name);
5702                                 copy_file(absname, name);
5703                         } else
5704                                 cerr << "Warning: Could not find file '"
5705                                      << name << "'." << endl;
5706                         // write output
5707                         context.check_layout(os);
5708                         begin_inset(os, "External\n\ttemplate ");
5709                         os << "PDFPages\n\tfilename "
5710                            << name << "\n";
5711                         // parse the options
5712                         if (opts.find("pages") != opts.end())
5713                                 os << "\textra LaTeX \"pages="
5714                                    << opts["pages"] << "\"\n";
5715                         if (opts.find("angle") != opts.end())
5716                                 os << "\trotateAngle "
5717                                    << opts["angle"] << '\n';
5718                         if (opts.find("origin") != opts.end()) {
5719                                 ostringstream ss;
5720                                 string const opt = opts["origin"];
5721                                 if (opt == "tl") ss << "topleft";
5722                                 if (opt == "bl") ss << "bottomleft";
5723                                 if (opt == "Bl") ss << "baselineleft";
5724                                 if (opt == "c") ss << "center";
5725                                 if (opt == "tc") ss << "topcenter";
5726                                 if (opt == "bc") ss << "bottomcenter";
5727                                 if (opt == "Bc") ss << "baselinecenter";
5728                                 if (opt == "tr") ss << "topright";
5729                                 if (opt == "br") ss << "bottomright";
5730                                 if (opt == "Br") ss << "baselineright";
5731                                 if (!ss.str().empty())
5732                                         os << "\trotateOrigin " << ss.str() << '\n';
5733                                 else
5734                                         cerr << "Warning: Ignoring unknown includegraphics origin argument '" << opt << "'\n";
5735                         }
5736                         if (opts.find("width") != opts.end())
5737                                 os << "\twidth "
5738                                    << translate_len(opts["width"]) << '\n';
5739                         if (opts.find("height") != opts.end())
5740                                 os << "\theight "
5741                                    << translate_len(opts["height"]) << '\n';
5742                         if (opts.find("keepaspectratio") != opts.end())
5743                                 os << "\tkeepAspectRatio\n";
5744                         end_inset(os);
5745                         context.check_layout(os);
5746                         registerExternalTemplatePackages("PDFPages");
5747                         continue;
5748                 }
5749
5750                 if (t.cs() == "loadgame") {
5751                         p.skip_spaces();
5752                         string name = normalize_filename(p.verbatim_item());
5753                         string const path = getMasterFilePath(true);
5754                         // We want to preserve relative / absolute filenames,
5755                         // therefore path is only used for testing
5756                         if (!makeAbsPath(name, path).exists()) {
5757                                 // The file extension is probably missing.
5758                                 // Now try to find it out.
5759                                 char const * const lyxskak_format[] = {"fen", 0};
5760                                 string const lyxskak_name =
5761                                         find_file(name, path, lyxskak_format);
5762                                 if (!lyxskak_name.empty())
5763                                         name = lyxskak_name;
5764                         }
5765                         FileName const absname = makeAbsPath(name, path);
5766                         if (absname.exists())
5767                         {
5768                                 fix_child_filename(name);
5769                                 copy_file(absname, name);
5770                         } else
5771                                 cerr << "Warning: Could not find file '"
5772                                      << name << "'." << endl;
5773                         context.check_layout(os);
5774                         begin_inset(os, "External\n\ttemplate ");
5775                         os << "ChessDiagram\n\tfilename "
5776                            << name << "\n";
5777                         end_inset(os);
5778                         context.check_layout(os);
5779                         // after a \loadgame follows a \showboard
5780                         if (p.get_token().asInput() == "showboard")
5781                                 p.get_token();
5782                         registerExternalTemplatePackages("ChessDiagram");
5783                         continue;
5784                 }
5785
5786                 // try to see whether the string is in unicodesymbols
5787                 // Only use text mode commands, since we are in text mode here,
5788                 // and math commands may be invalid (bug 6797)
5789                 string name = t.asInput();
5790                 // handle the dingbats, cyrillic and greek
5791                 if (name == "\\ding" || name == "\\textcyr" ||
5792                     (name == "\\textgreek" && !preamble.usePolyglossia()))
5793                         name = name + '{' + p.getArg('{', '}') + '}';
5794                 // handle the ifsym characters
5795                 else if (name == "\\textifsymbol") {
5796                         string const optif = p.getFullOpt();
5797                         string const argif = p.getArg('{', '}');
5798                         name = name + optif + '{' + argif + '}';
5799                 }
5800                 // handle the \ascii characters
5801                 // the case of \ascii within braces, as LyX outputs it, is already
5802                 // handled for t.cat() == catBegin
5803                 else if (name == "\\ascii") {
5804                         // the code is "\asci\xxx"
5805                         name = "{" + name + p.get_token().asInput() + "}";
5806                         skip_braces(p);
5807                 }
5808                 // handle some TIPA special characters
5809                 else if (preamble.isPackageUsed("tipa")) {
5810                         if (name == "\\s") {
5811                                 // fromLaTeXCommand() does not yet
5812                                 // recognize tipa short cuts
5813                                 name = "\\textsyllabic";
5814                         } else if (name == "\\=" &&
5815                                    p.next_token().asInput() == "*") {
5816                                 // fromLaTeXCommand() does not yet
5817                                 // recognize tipa short cuts
5818                                 p.get_token();
5819                                 name = "\\textsubbar";
5820                         } else if (name == "\\textdoublevertline") {
5821                                 // FIXME: This is not correct,
5822                                 // \textvertline is higher than \textbardbl
5823                                 name = "\\textbardbl";
5824                                 skip_braces(p);
5825                         } else if (name == "\\!" ) {
5826                                 if (p.next_token().asInput() == "b") {
5827                                         p.get_token();  // eat 'b'
5828                                         name = "\\texthtb";
5829                                         skip_braces(p);
5830                                 } else if (p.next_token().asInput() == "d") {
5831                                         p.get_token();
5832                                         name = "\\texthtd";
5833                                         skip_braces(p);
5834                                 } else if (p.next_token().asInput() == "g") {
5835                                         p.get_token();
5836                                         name = "\\texthtg";
5837                                         skip_braces(p);
5838                                 } else if (p.next_token().asInput() == "G") {
5839                                         p.get_token();
5840                                         name = "\\texthtscg";
5841                                         skip_braces(p);
5842                                 } else if (p.next_token().asInput() == "j") {
5843                                         p.get_token();
5844                                         name = "\\texthtbardotlessj";
5845                                         skip_braces(p);
5846                                 } else if (p.next_token().asInput() == "o") {
5847                                         p.get_token();
5848                                         name = "\\textbullseye";
5849                                         skip_braces(p);
5850                                 }
5851                         } else if (name == "\\*" ) {
5852                                 if (p.next_token().asInput() == "k") {
5853                                         p.get_token();
5854                                         name = "\\textturnk";
5855                                         skip_braces(p);
5856                                 } else if (p.next_token().asInput() == "r") {
5857                                         p.get_token();  // eat 'b'
5858                                         name = "\\textturnr";
5859                                         skip_braces(p);
5860                                 } else if (p.next_token().asInput() == "t") {
5861                                         p.get_token();
5862                                         name = "\\textturnt";
5863                                         skip_braces(p);
5864                                 } else if (p.next_token().asInput() == "w") {
5865                                         p.get_token();
5866                                         name = "\\textturnw";
5867                                         skip_braces(p);
5868                                 }
5869                         }
5870                 }
5871                 if ((name.size() == 2 &&
5872                      contains("\"'.=^`bcdHkrtuv~", name[1]) &&
5873                      p.next_token().asInput() != "*") ||
5874                     is_known(name.substr(1), known_tipa_marks)) {
5875                         // name is a command that corresponds to a
5876                         // combining character in unicodesymbols.
5877                         // Append the argument, fromLaTeXCommand()
5878                         // will either convert it to a single
5879                         // character or a combining sequence.
5880                         name += '{' + p.verbatim_item() + '}';
5881                 }
5882                 // now get the character from unicodesymbols
5883                 bool termination;
5884                 docstring rem;
5885                 set<string> req;
5886                 docstring s = normalize_c(encodings.fromLaTeXCommand(from_utf8(name),
5887                                 Encodings::TEXT_CMD, termination, rem, &req));
5888                 if (!s.empty()) {
5889                         context.check_layout(os);
5890                         os << to_utf8(s);
5891                         if (!rem.empty())
5892                                 output_ert_inset(os, to_utf8(rem), context);
5893                         if (termination)
5894                                 skip_spaces_braces(p);
5895                         for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
5896                                 preamble.registerAutomaticallyLoadedPackage(*it);
5897                 }
5898                 //cerr << "#: " << t << " mode: " << mode << endl;
5899                 // heuristic: read up to next non-nested space
5900                 /*
5901                 string s = t.asInput();
5902                 string z = p.verbatim_item();
5903                 while (p.good() && z != " " && !z.empty()) {
5904                         //cerr << "read: " << z << endl;
5905                         s += z;
5906                         z = p.verbatim_item();
5907                 }
5908                 cerr << "found ERT: " << s << endl;
5909                 output_ert_inset(os, s + ' ', context);
5910                 */
5911                 else {
5912                         if (t.asInput() == name &&
5913                             p.next_token().asInput() == "*") {
5914                                 // Starred commands like \vspace*{}
5915                                 p.get_token();  // Eat '*'
5916                                 name += '*';
5917                         }
5918                         if (!parse_command(name, p, os, outer, context)) {
5919                                 output_ert_inset(os, name, context);
5920                                 // Try to handle options of unknown commands:
5921                                 // Look if we have an optional arguments,
5922                                 // and if so, put the brackets in ERT.
5923                                 while (p.hasOpt()) {
5924                                         p.get_token(); // eat '['
5925                                         output_ert_inset(os, "[", context);
5926                                         os << parse_text_snippet(p, FLAG_BRACK_LAST, outer, context);
5927                                         output_ert_inset(os, "]", context);
5928                                 }
5929                         }
5930                 }
5931         }
5932 }
5933
5934
5935 string guessLanguage(Parser & p, string const & lang)
5936 {
5937         typedef std::map<std::string, size_t> LangMap;
5938         // map from language names to number of characters
5939         LangMap used;
5940         used[lang] = 0;
5941         for (char const * const * i = supported_CJK_languages; *i; i++)
5942                 used[string(*i)] = 0;
5943
5944         while (p.good()) {
5945                 Token const t = p.get_token();
5946                 // comments are not counted for any language
5947                 if (t.cat() == catComment)
5948                         continue;
5949                 // commands are not counted as well, but we need to detect
5950                 // \begin{CJK} and switch encoding if needed
5951                 if (t.cat() == catEscape) {
5952                         if (t.cs() == "inputencoding") {
5953                                 string const enc = subst(p.verbatim_item(), "\n", " ");
5954                                 p.setEncoding(enc, Encoding::inputenc);
5955                                 continue;
5956                         }
5957                         if (t.cs() != "begin")
5958                                 continue;
5959                 } else {
5960                         // Non-CJK content is counted for lang.
5961                         // We do not care about the real language here:
5962                         // If we have more non-CJK contents than CJK contents,
5963                         // we simply use the language that was specified as
5964                         // babel main language.
5965                         used[lang] += t.asInput().length();
5966                         continue;
5967                 }
5968                 // Now we are starting an environment
5969                 p.pushPosition();
5970                 string const name = p.getArg('{', '}');
5971                 if (name != "CJK") {
5972                         p.popPosition();
5973                         continue;
5974                 }
5975                 // It is a CJK environment
5976                 p.popPosition();
5977                 /* name = */ p.getArg('{', '}');
5978                 string const encoding = p.getArg('{', '}');
5979                 /* mapping = */ p.getArg('{', '}');
5980                 string const encoding_old = p.getEncoding();
5981                 char const * const * const where =
5982                         is_known(encoding, supported_CJK_encodings);
5983                 if (where)
5984                         p.setEncoding(encoding, Encoding::CJK);
5985                 else
5986                         p.setEncoding("UTF-8");
5987                 string const text = p.ertEnvironment("CJK");
5988                 p.setEncoding(encoding_old);
5989                 p.skip_spaces();
5990                 if (!where) {
5991                         // ignore contents in unknown CJK encoding
5992                         continue;
5993                 }
5994                 // the language of the text
5995                 string const cjk =
5996                         supported_CJK_languages[where - supported_CJK_encodings];
5997                 used[cjk] += text.length();
5998         }
5999         LangMap::const_iterator use = used.begin();
6000         for (LangMap::const_iterator it = used.begin(); it != used.end(); ++it) {
6001                 if (it->second > use->second)
6002                         use = it;
6003         }
6004         return use->first;
6005 }
6006
6007
6008 void check_comment_bib(ostream & os, Context & context)
6009 {
6010         if (!need_commentbib)
6011                 return;
6012         // We have a bibliography database, but no bibliography with biblatex
6013         // which is completely valid. Insert a bibtex inset in a note.
6014         context.check_layout(os);
6015         begin_inset(os, "Note Note\n");
6016         os << "status open\n";
6017         os << "\\begin_layout Plain Layout\n";
6018         begin_command_inset(os, "bibtex", "bibtex");
6019         string bibfiles;
6020         for (auto const & bf : preamble.biblatex_bibliographies) {
6021                 if (!bibfiles.empty())
6022                         bibfiles += ",";
6023                 bibfiles += normalize_filename(bf);
6024         }
6025         if (!bibfiles.empty())
6026                 os << "bibfiles " << '"' << bibfiles << '"' << "\n";
6027         end_inset(os);// Bibtex
6028         os << "\\end_layout\n";
6029         end_inset(os);// Note
6030 }
6031
6032 // }])
6033
6034
6035 } // namespace lyx