src/tex2lyx/Preamble.cpp

   1 /**
   2  * \file Preamble.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 Uwe Stöhr
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 // {[(
  13
  14 #include <config.h>
  15
  16 #include "Preamble.h"
  17 #include "tex2lyx.h"
  18
  19 #include "Encoding.h"
  20 #include "LayoutFile.h"
  21 #include "Layout.h"
  22 #include "Lexer.h"
  23 #include "TextClass.h"
  24
  25 #include "support/convert.h"
  26 #include "support/FileName.h"
  27 #include "support/filetools.h"
  28 #include "support/lstrings.h"
  29
  30 #include "support/regex.h"
  31
  32 #include <algorithm>
  33 #include <iostream>
  34
  35 using namespace std;
  36 using namespace lyx::support;
  37
  38
  39 namespace lyx {
  40
  41 // special columntypes
  42 extern map<char, int> special_columns;
  43
  44 Preamble preamble;
  45
  46 namespace {
  47
  48 // CJK languages are handled in text.cpp, polyglossia languages are listed
  49 // further down.
  50 /**
  51  * known babel language names (including synonyms)
  52  * not in standard babel: arabic, arabtex, armenian, belarusian, serbian-latin, thai
  53  * please keep this in sync with known_coded_languages line by line!
  54  */
  55 const char * const known_languages[] = {"acadian", "afrikaans", "albanian",
  56 "american", "arabic", "arabtex", "australian", "austrian", "bahasa", "bahasai",
  57 "bahasam", "basque", "belarusian", "brazil", "brazilian", "breton", "british",
  58 "bulgarian", "canadian", "canadien", "catalan", "croatian", "czech", "danish",
  59 "dutch", "english", "esperanto", "estonian", "farsi", "finnish", "francais",
  60 "french", "frenchb", "frenchle", "frenchpro", "galician", "german", "germanb",
  61 "greek", "hebrew", "hungarian", "icelandic", "indon", "indonesian", "interlingua",
  62 "irish", "italian", "japanese", "kazakh", "kurmanji", "latin", "latvian", "lithuanian",
  63 "lowersorbian", "lsorbian", "magyar", "malay", "meyalu", "mongolian", "naustrian",
  64 "newzealand", "ngerman", "ngermanb", "norsk", "nynorsk", "polutonikogreek", "polish",
  65 "portuges", "portuguese", "romanian", "russian", "russianb", "samin",
  66 "scottish", "serbian", "serbian-latin", "slovak", "slovene", "spanish",
  67 "swedish", "thai", "turkish", "turkmen", "ukraineb", "ukrainian",
  68 "uppersorbian", "UKenglish", "USenglish", "usorbian", "vietnam", "welsh",
  69 0};
  70
  71 /**
  72  * the same as known_languages with .lyx names
  73  * please keep this in sync with known_languages line by line!
  74  */
  75 const char * const known_coded_languages[] = {"french", "afrikaans", "albanian",
  76 "american", "arabic_arabi", "arabic_arabtex", "australian", "austrian", "bahasa", "bahasa",
  77 "bahasam", "basque", "belarusian", "brazilian", "brazilian", "breton", "british",
  78 "bulgarian", "canadian", "canadien", "catalan", "croatian", "czech", "danish",
  79 "dutch", "english", "esperanto", "estonian", "farsi", "finnish", "french",
  80 "french", "french", "french", "french", "galician", "german", "german",
  81 "greek", "hebrew", "magyar", "icelandic", "bahasa", "bahasa", "interlingua",
  82 "irish", "italian", "japanese", "kazakh", "kurmanji", "latin", "latvian", "lithuanian",
  83 "lowersorbian", "lowersorbian", "magyar", "bahasam", "bahasam", "mongolian", "naustrian",
  84 "newzealand", "ngerman", "ngerman", "norsk", "nynorsk", "polutonikogreek", "polish",
  85 "portuguese", "portuguese", "romanian", "russian", "russian", "samin",
  86 "scottish", "serbian", "serbian-latin", "slovak", "slovene", "spanish",
  87 "swedish", "thai", "turkish", "turkmen", "ukrainian", "ukrainian",
  88 "uppersorbian", "uppersorbian", "english", "english", "vietnamese", "welsh",
  89 0};
  90
  91 /// languages with danish quotes (.lyx names)
  92 const char * const known_danish_quotes_languages[] = {"danish", 0};
  93
  94 /// languages with english quotes (.lyx names)
  95 const char * const known_english_quotes_languages[] = {"american", "australian",
  96 "bahasa", "bahasam", "brazilian", "canadian", "chinese-simplified", "english",
  97 "esperanto", "hebrew", "irish", "korean", "newzealand", "portuguese", "scottish",
  98 "thai", 0};
  99
 100 /// languages with french quotes (.lyx names)
 101 const char * const known_french_quotes_languages[] = {"albanian",
 102 "arabic_arabi", "arabic_arabtex", "basque", "canadien", "catalan", "french",
 103 "galician", "greek", "italian", "norsk", "nynorsk", "polutonikogreek",
 104 "russian", "spanish", "spanish-mexico", "turkish", "turkmen", "ukrainian",
 105 "vietnamese", 0};
 106
 107 /// languages with german quotes (.lyx names)
 108 const char * const known_german_quotes_languages[] = {"austrian", "bulgarian",
 109 "czech", "german", "icelandic", "lithuanian", "lowersorbian", "naustrian",
 110 "ngerman", "serbian", "serbian-latin", "slovak", "slovene", "uppersorbian", 0};
 111
 112 /// languages with polish quotes (.lyx names)
 113 const char * const known_polish_quotes_languages[] = {"afrikaans", "croatian",
 114 "dutch", "estonian", "magyar", "polish", "romanian", 0};
 115
 116 /// languages with swedish quotes (.lyx names)
 117 const char * const known_swedish_quotes_languages[] = {"finnish",
 118 "swedish", 0};
 119
 120 /// known language packages from the times before babel
 121 const char * const known_old_language_packages[] = {"french", "frenchle",
 122 "frenchpro", "german", "ngerman", "pmfrench", 0};
 123
 124 char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
 125
 126 const char * const known_roman_fonts[] = { "ae", "beraserif", "bookman",
 127 "ccfonts", "chancery", "charter", "cmr", "fourier", "garamondx", "libertine",
 128 "libertine-type1", "lmodern", "mathdesign", "mathpazo", "mathptmx", "newcent",
 129 "tgbonum", "tgchorus", "tgpagella", "tgschola", "tgtermes", "utopia", 0};
 130
 131 const char * const known_sans_fonts[] = { "avant", "berasans", "biolinum-type1",
 132 "cmbr", "cmss", "helvet", "kurier", "kurierl", "lmss", "tgadventor", "tgheros", 0};
 133
 134 const char * const known_kurier_fonts[] = { "kurier", "kurierl",
 135 "kurier-condensed", "kurier-light-condensed", 0};
 136
 137 const char * const known_typewriter_fonts[] = { "beramono", "cmtl", "cmtt",
 138 "courier", "lmtt", "luximono", "fourier", "lmodern", "mathpazo", "mathptmx",
 139 "newcent", "tgcursor", "txtt", 0};
 140
 141 const char * const known_math_fonts[] = { "eulervm", "newtxmath", 0};
 142
 143 const char * const known_paper_sizes[] = { "a0paper", "b0paper", "c0paper",
 144 "a1paper", "b1paper", "c1paper", "a2paper", "b2paper", "c2paper", "a3paper",
 145 "b3paper", "c3paper", "a4paper", "b4paper", "c4paper", "a5paper", "b5paper",
 146 "c5paper", "a6paper", "b6paper", "c6paper", "executivepaper", "legalpaper",
 147 "letterpaper", "b0j", "b1j", "b2j", "b3j", "b4j", "b5j", "b6j", 0};
 148
 149 const char * const known_class_paper_sizes[] = { "a4paper", "a5paper",
 150 "executivepaper", "legalpaper", "letterpaper", 0};
 151
 152 const char * const known_paper_margins[] = { "lmargin", "tmargin", "rmargin",
 153 "bmargin", "headheight", "headsep", "footskip", "columnsep", 0};
 154
 155 const char * const known_coded_paper_margins[] = { "leftmargin", "topmargin",
 156 "rightmargin", "bottommargin", "headheight", "headsep", "footskip",
 157 "columnsep", 0};
 158
 159 /// commands that can start an \if...\else...\endif sequence
 160 const char * const known_if_commands[] = {"if", "ifarydshln", "ifbraket",
 161 "ifcancel", "ifcolortbl", "ifeurosym", "ifmarginnote", "ifmmode", "ifpdf",
 162 "ifsidecap", "ifupgreek", 0};
 163
 164 const char * const known_basic_colors[] = {"blue", "black", "cyan", "green",
 165 "magenta", "red", "white", "yellow", 0};
 166
 167 const char * const known_basic_color_codes[] = {"#0000ff", "#000000", "#00ffff",
 168 "#00ff00", "#ff00ff", "#ff0000", "#ffffff", "#ffff00", 0};
 169
 170 /// conditional commands with three arguments like \@ifundefined{}{}{}
 171 const char * const known_if_3arg_commands[] = {"@ifundefined", "IfFileExists",
 172 0};
 173
 174 /// packages that work only in xetex
 175 /// polyglossia is handled separately
 176 const char * const known_xetex_packages[] = {"arabxetex", "fixlatvian",
 177 "fontbook", "fontwrap", "mathspec", "philokalia", "unisugar",
 178 "xeCJK", "xecolor", "xecyr", "xeindex", "xepersian", "xunicode", 0};
 179
 180 /// packages that are automatically skipped if loaded by LyX
 181 const char * const known_lyx_packages[] = {"amsbsy", "amsmath", "amssymb",
 182 "amstext", "amsthm", "array", "babel", "booktabs", "calc", "CJK", "color",
 183 "float", "fontspec", "graphicx", "hhline", "ifthen", "longtable", "makeidx",
 184 "multirow", "nomencl", "pdfpages", "refstyle", "rotating", "rotfloat", "splitidx",
 185 "setspace", "subscript", "textcomp", "tipa", "tipx", "ulem", "url", "varioref",
 186 "verbatim", "wrapfig", "xunicode", 0};
 187
 188 // codes used to remove packages that are loaded automatically by LyX.
 189 // Syntax: package_beg_sep<name>package_mid_sep<package loading code>package_end_sep
 190 const char package_beg_sep = '\001';
 191 const char package_mid_sep = '\002';
 192 const char package_end_sep = '\003';
 193
 194
 195 // returns true if at least one of the options in what has been found
 196 bool handle_opt(vector<string> & opts, char const * const * what, string & target)
 197 {
 198         if (opts.empty())
 199                 return false;
 200
 201         bool found = false;
 202         // the last language option is the document language (for babel and LyX)
 203         // the last size option is the document font size
 204         vector<string>::iterator it;
 205         vector<string>::iterator position = opts.begin();
 206         for (; *what; ++what) {
 207                 it = find(opts.begin(), opts.end(), *what);
 208                 if (it != opts.end()) {
 209                         if (it >= position) {
 210                                 found = true;
 211                                 target = *what;
 212                                 position = it;
 213                         }
 214                 }
 215         }
 216         return found;
 217 }
 218
 219
 220 void delete_opt(vector<string> & opts, char const * const * what)
 221 {
 222         if (opts.empty())
 223                 return;
 224
 225         // remove found options from the list
 226         // do this after handle_opt to avoid potential memory leaks
 227         vector<string>::iterator it;
 228         for (; *what; ++what) {
 229                 it = find(opts.begin(), opts.end(), *what);
 230                 if (it != opts.end())
 231                         opts.erase(it);
 232         }
 233 }
 234
 235
 236 /*!
 237  * Split a package options string (keyval format) into a vector.
 238  * Example input:
 239  *   authorformat=smallcaps,
 240  *   commabeforerest,
 241  *   titleformat=colonsep,
 242  *   bibformat={tabular,ibidem,numbered}
 243  */
 244 vector<string> split_options(string const & input)
 245 {
 246         vector<string> options;
 247         string option;
 248         Parser p(input);
 249         while (p.good()) {
 250                 Token const & t = p.get_token();
 251                 if (t.asInput() == ",") {
 252                         options.push_back(trimSpaceAndEol(option));
 253                         option.erase();
 254                 } else if (t.asInput() == "=") {
 255                         option += '=';
 256                         p.skip_spaces(true);
 257                         if (p.next_token().asInput() == "{")
 258                                 option += '{' + p.getArg('{', '}') + '}';
 259                 } else if (t.cat() != catSpace)
 260                         option += t.asInput();
 261         }
 262
 263         if (!option.empty())
 264                 options.push_back(trimSpaceAndEol(option));
 265
 266         return options;
 267 }
 268
 269
 270 /*!
 271  * Retrieve a keyval option "name={value with=sign}" named \p name from
 272  * \p options and return the value.
 273  * The found option is also removed from \p options.
 274  */
 275 string process_keyval_opt(vector<string> & options, string name)
 276 {
 277         for (size_t i = 0; i < options.size(); ++i) {
 278                 vector<string> option;
 279                 split(options[i], option, '=');
 280                 if (option.size() < 2)
 281                         continue;
 282                 if (option[0] == name) {
 283                         options.erase(options.begin() + i);
 284                         option.erase(option.begin());
 285                         return join(option, "=");
 286                 }
 287         }
 288         return "";
 289 }
 290
 291 } // anonymous namespace
 292
 293
 294 /**
 295  * known polyglossia language names (including variants)
 296  */
 297 const char * const Preamble::polyglossia_languages[] = {
 298 "albanian", "croatian", "hebrew", "norsk", "swedish", "amharic", "czech", "hindi",
 299 "nynorsk", "syriac", "arabic", "danish", "icelandic", "occitan", "tamil",
 300 "armenian", "divehi", "interlingua", "polish", "telugu", "asturian", "dutch",
 301 "irish", "portuges", "thai", "bahasai", "english", "italian", "romanian", "turkish",
 302 "bahasam", "esperanto", "lao", "russian", "turkmen", "basque", "estonian", "latin",
 303 "samin", "ukrainian", "bengali", "farsi", "latvian", "sanskrit", "urdu", "brazil",
 304 "brazilian", "finnish", "lithuanian", "scottish", "usorbian", "breton", "french",
 305 "lsorbian", "serbian", "vietnamese", "bulgarian", "galician", "magyar", "slovak",
 306 "welsh", "catalan", "german", "malayalam", "slovenian", "coptic", "greek",
 307 "marathi", "spanish",
 308 "american", "ancient", "australian", "british", "monotonic", "newzealand",
 309 "polytonic", 0};
 310
 311 /**
 312  * the same as polyglossia_languages with .lyx names
 313  * please keep this in sync with polyglossia_languages line by line!
 314  */
 315 const char * const Preamble::coded_polyglossia_languages[] = {
 316 "albanian", "croatian", "hebrew", "norsk", "swedish", "amharic", "czech", "hindi",
 317 "nynorsk", "syriac", "arabic_arabi", "danish", "icelandic", "occitan", "tamil",
 318 "armenian", "divehi", "interlingua", "polish", "telugu", "asturian", "dutch",
 319 "irish", "portuges", "thai", "bahasa", "english", "italian", "romanian", "turkish",
 320 "bahasam", "esperanto", "lao", "russian", "turkmen", "basque", "estonian", "latin",
 321 "samin", "ukrainian", "bengali", "farsi", "latvian", "sanskrit", "urdu", "brazilian",
 322 "brazilian", "finnish", "lithuanian", "scottish", "uppersorbian", "breton", "french",
 323 "lowersorbian", "serbian", "vietnamese", "bulgarian", "galician", "magyar", "slovak",
 324 "welsh", "catalan", "ngerman", "malayalam", "slovene", "coptic", "greek",
 325 "marathi", "spanish",
 326 "american", "ancientgreek", "australian", "british", "greek", "newzealand",
 327 "polutonikogreek", 0};
 328
 329
 330 bool Preamble::indentParagraphs() const
 331 {
 332         return h_paragraph_separation == "indent";
 333 }
 334
 335
 336 bool Preamble::isPackageUsed(string const & package) const
 337 {
 338         return used_packages.find(package) != used_packages.end();
 339 }
 340
 341
 342 vector<string> Preamble::getPackageOptions(string const & package) const
 343 {
 344         map<string, vector<string> >::const_iterator it = used_packages.find(package);
 345         if (it != used_packages.end())
 346                 return it->second;
 347         return vector<string>();
 348 }
 349
 350
 351 void Preamble::registerAutomaticallyLoadedPackage(std::string const & package)
 352 {
 353         auto_packages.insert(package);
 354 }
 355
 356
 357 void Preamble::addModule(string const & module)
 358 {
 359         used_modules.push_back(module);
 360 }
 361
 362
 363 void Preamble::suppressDate(bool suppress)
 364 {
 365         if (suppress)
 366                 h_suppress_date = "true";
 367         else
 368                 h_suppress_date = "false";
 369 }
 370
 371
 372 void Preamble::registerAuthor(std::string const & name)
 373 {
 374         Author author(from_utf8(name), empty_docstring());
 375         author.setUsed(true);
 376         authors_.record(author);
 377         h_tracking_changes = "true";
 378         h_output_changes = "true";
 379 }
 380
 381
 382 Author const & Preamble::getAuthor(std::string const & name) const
 383 {
 384         Author author(from_utf8(name), empty_docstring());
 385         for (AuthorList::Authors::const_iterator it = authors_.begin();
 386              it != authors_.end(); ++it)
 387                 if (*it == author)
 388                         return *it;
 389         static Author const dummy;
 390         return dummy;
 391 }
 392
 393
 394 void Preamble::add_package(string const & name, vector<string> & options)
 395 {
 396         // every package inherits the global options
 397         if (used_packages.find(name) == used_packages.end())
 398                 used_packages[name] = split_options(h_options);
 399
 400         vector<string> & v = used_packages[name];
 401         v.insert(v.end(), options.begin(), options.end());
 402         if (name == "jurabib") {
 403                 // Don't output the order argument (see the cite command
 404                 // handling code in text.cpp).
 405                 vector<string>::iterator end =
 406                         remove(options.begin(), options.end(), "natbiborder");
 407                 end = remove(options.begin(), end, "jurabiborder");
 408                 options.erase(end, options.end());
 409         }
 410 }
 411
 412
 413 namespace {
 414
 415 // Given is a string like "scaled=0.9" or "Scale=0.9", return 0.9 * 100
 416 bool scale_as_percentage(string const & scale, string & percentage)
 417 {
 418         string::size_type pos = scale.find('=');
 419         if (pos != string::npos) {
 420                 string value = scale.substr(pos + 1);
 421                 if (isStrDbl(value)) {
 422                         percentage = convert<string>(100 * convert<double>(value));
 423                         return true;
 424                 }
 425         }
 426         return false;
 427 }
 428
 429
 430 string remove_braces(string const & value)
 431 {
 432         if (value.empty())
 433                 return value;
 434         if (value[0] == '{' && value[value.length()-1] == '}')
 435                 return value.substr(1, value.length()-2);
 436         return value;
 437 }
 438
 439 } // anonymous namespace
 440
 441
 442 Preamble::Preamble() : one_language(true), title_layout_found(false),
 443         h_font_cjk_set(false)
 444 {
 445         //h_backgroundcolor;
 446         //h_boxbgcolor;
 447         h_biblio_style            = "plain";
 448         h_bibtex_command          = "default";
 449         h_cite_engine             = "basic";
 450         h_cite_engine_type        = "numerical";
 451         h_color                   = "#008000";
 452         h_defskip                 = "medskip";
 453         //h_float_placement;
 454         //h_fontcolor;
 455         h_fontencoding            = "default";
 456         h_font_roman              = "default";
 457         h_font_sans               = "default";
 458         h_font_typewriter         = "default";
 459         h_font_math               = "auto";
 460         h_font_default_family     = "default";
 461         h_use_non_tex_fonts       = "false";
 462         h_font_sc                 = "false";
 463         h_font_osf                = "false";
 464         h_font_sf_scale           = "100";
 465         h_font_tt_scale           = "100";
 466         //h_font_cjk
 467         h_graphics                = "default";
 468         h_default_output_format   = "default";
 469         h_html_be_strict          = "false";
 470         h_html_css_as_file        = "0";
 471         h_html_math_output        = "0";
 472         h_index                   = "Index";
 473         h_index_command           = "default";
 474         h_inputencoding           = "auto";
 475         h_justification           = "true";
 476         h_language                = "english";
 477         h_language_package        = "none";
 478         //h_listings_params;
 479         h_maintain_unincluded_children = "false";
 480         //h_margins;
 481         //h_notefontcolor;
 482         //h_options;
 483         h_output_changes          = "false";
 484         h_output_sync             = "0";
 485         //h_output_sync_macro
 486         h_papercolumns            = "1";
 487         h_paperfontsize           = "default";
 488         h_paperorientation        = "portrait";
 489         h_paperpagestyle          = "default";
 490         //h_papersides;
 491         h_papersize               = "default";
 492         h_paragraph_indentation   = "default";
 493         h_paragraph_separation    = "indent";
 494         //h_pdf_title;
 495         //h_pdf_author;
 496         //h_pdf_subject;
 497         //h_pdf_keywords;
 498         h_pdf_bookmarks           = "1";
 499         h_pdf_bookmarksnumbered   = "0";
 500         h_pdf_bookmarksopen       = "0";
 501         h_pdf_bookmarksopenlevel  = "1";
 502         h_pdf_breaklinks          = "0";
 503         h_pdf_pdfborder           = "0";
 504         h_pdf_colorlinks          = "0";
 505         h_pdf_backref             = "section";
 506         h_pdf_pdfusetitle         = "1";
 507         //h_pdf_pagemode;
 508         //h_pdf_quoted_options;
 509         h_quotes_language         = "english";
 510         h_secnumdepth             = "3";
 511         h_shortcut                = "idx";
 512         h_spacing                 = "single";
 513         h_suppress_date           = "false";
 514         h_textclass               = "article";
 515         h_tocdepth                = "3";
 516         h_tracking_changes        = "false";
 517         h_use_bibtopic            = "false";
 518         h_use_indices             = "false";
 519         h_use_geometry            = "false";
 520         h_use_default_options     = "false";
 521         h_use_hyperref            = "false";
 522         h_use_refstyle            = "0";
 523         h_use_packages["amsmath"]    = "1";
 524         h_use_packages["amssymb"]    = "0";
 525         h_use_packages["esint"]      = "1";
 526         h_use_packages["mhchem"]     = "0";
 527         h_use_packages["mathdots"]   = "0";
 528         h_use_packages["mathtools"]  = "0";
 529         h_use_packages["stackrel"]   = "0";
 530         h_use_packages["stmaryrd"]   = "0";
 531         h_use_packages["undertilde"] = "0";
 532 }
 533
 534
 535 void Preamble::handle_hyperref(vector<string> & options)
 536 {
 537         // FIXME swallow inputencoding changes that might surround the
 538         //       hyperref setup if it was written by LyX
 539         h_use_hyperref = "true";
 540         // swallow "unicode=true", since LyX does always write that
 541         vector<string>::iterator it =
 542                 find(options.begin(), options.end(), "unicode=true");
 543         if (it != options.end())
 544                 options.erase(it);
 545         it = find(options.begin(), options.end(), "pdfusetitle");
 546         if (it != options.end()) {
 547                 h_pdf_pdfusetitle = "1";
 548                 options.erase(it);
 549         }
 550         string bookmarks = process_keyval_opt(options, "bookmarks");
 551         if (bookmarks == "true")
 552                 h_pdf_bookmarks = "1";
 553         else if (bookmarks == "false")
 554                 h_pdf_bookmarks = "0";
 555         if (h_pdf_bookmarks == "1") {
 556                 string bookmarksnumbered =
 557                         process_keyval_opt(options, "bookmarksnumbered");
 558                 if (bookmarksnumbered == "true")
 559                         h_pdf_bookmarksnumbered = "1";
 560                 else if (bookmarksnumbered == "false")
 561                         h_pdf_bookmarksnumbered = "0";
 562                 string bookmarksopen =
 563                         process_keyval_opt(options, "bookmarksopen");
 564                 if (bookmarksopen == "true")
 565                         h_pdf_bookmarksopen = "1";
 566                 else if (bookmarksopen == "false")
 567                         h_pdf_bookmarksopen = "0";
 568                 if (h_pdf_bookmarksopen == "1") {
 569                         string bookmarksopenlevel =
 570                                 process_keyval_opt(options, "bookmarksopenlevel");
 571                         if (!bookmarksopenlevel.empty())
 572                                 h_pdf_bookmarksopenlevel = bookmarksopenlevel;
 573                 }
 574         }
 575         string breaklinks = process_keyval_opt(options, "breaklinks");
 576         if (breaklinks == "true")
 577                 h_pdf_breaklinks = "1";
 578         else if (breaklinks == "false")
 579                 h_pdf_breaklinks = "0";
 580         string pdfborder = process_keyval_opt(options, "pdfborder");
 581         if (pdfborder == "{0 0 0}")
 582                 h_pdf_pdfborder = "1";
 583         else if (pdfborder == "{0 0 1}")
 584                 h_pdf_pdfborder = "0";
 585         string backref = process_keyval_opt(options, "backref");
 586         if (!backref.empty())
 587                 h_pdf_backref = backref;
 588         string colorlinks = process_keyval_opt(options, "colorlinks");
 589         if (colorlinks == "true")
 590                 h_pdf_colorlinks = "1";
 591         else if (colorlinks == "false")
 592                 h_pdf_colorlinks = "0";
 593         string pdfpagemode = process_keyval_opt(options, "pdfpagemode");
 594         if (!pdfpagemode.empty())
 595                 h_pdf_pagemode = pdfpagemode;
 596         string pdftitle = process_keyval_opt(options, "pdftitle");
 597         if (!pdftitle.empty()) {
 598                 h_pdf_title = remove_braces(pdftitle);
 599         }
 600         string pdfauthor = process_keyval_opt(options, "pdfauthor");
 601         if (!pdfauthor.empty()) {
 602                 h_pdf_author = remove_braces(pdfauthor);
 603         }
 604         string pdfsubject = process_keyval_opt(options, "pdfsubject");
 605         if (!pdfsubject.empty())
 606                 h_pdf_subject = remove_braces(pdfsubject);
 607         string pdfkeywords = process_keyval_opt(options, "pdfkeywords");
 608         if (!pdfkeywords.empty())
 609                 h_pdf_keywords = remove_braces(pdfkeywords);
 610         if (!options.empty()) {
 611                 if (!h_pdf_quoted_options.empty())
 612                         h_pdf_quoted_options += ',';
 613                 h_pdf_quoted_options += join(options, ",");
 614                 options.clear();
 615         }
 616 }
 617
 618
 619 void Preamble::handle_geometry(vector<string> & options)
 620 {
 621         h_use_geometry = "true";
 622         vector<string>::iterator it;
 623         // paper orientation
 624         if ((it = find(options.begin(), options.end(), "landscape")) != options.end()) {
 625                 h_paperorientation = "landscape";
 626                 options.erase(it);
 627         }
 628         // paper size
 629         // keyval version: "paper=letter"
 630         string paper = process_keyval_opt(options, "paper");
 631         if (!paper.empty())
 632                 h_papersize = paper + "paper";
 633         // alternative version: "letterpaper"
 634         handle_opt(options, known_paper_sizes, h_papersize);
 635         delete_opt(options, known_paper_sizes);
 636         // page margins
 637         char const * const * margin = known_paper_margins;
 638         for (; *margin; ++margin) {
 639                 string value = process_keyval_opt(options, *margin);
 640                 if (!value.empty()) {
 641                         int k = margin - known_paper_margins;
 642                         string name = known_coded_paper_margins[k];
 643                         h_margins += '\\' + name + ' ' + value + '\n';
 644                 }
 645         }
 646 }
 647
 648
 649 void Preamble::handle_package(Parser &p, string const & name,
 650                               string const & opts, bool in_lyx_preamble)
 651 {
 652         vector<string> options = split_options(opts);
 653         add_package(name, options);
 654         char const * const * where = 0;
 655
 656         if (is_known(name, known_xetex_packages)) {
 657                 xetex = true;
 658                 h_use_non_tex_fonts = "true";
 659                 registerAutomaticallyLoadedPackage("fontspec");
 660                 if (h_inputencoding == "auto")
 661                         p.setEncoding("UTF-8");
 662         }
 663
 664         // roman fonts
 665         if (is_known(name, known_roman_fonts))
 666                 h_font_roman = name;
 667
 668         if (name == "fourier") {
 669                 h_font_roman = "utopia";
 670                 // when font uses real small capitals
 671                 if (opts == "expert")
 672                         h_font_sc = "true";
 673         }
 674
 675         if (name == "garamondx") {
 676                 h_font_roman = "garamondx";
 677                 if (opts == "osfI")
 678                         h_font_osf = "true";
 679         }
 680
 681         if (name == "libertine") {
 682                 h_font_roman = "libertine";
 683                 // this automatically invokes biolinum
 684                 h_font_sans = "biolinum";
 685                 if (opts == "osf")
 686                         h_font_osf = "true";
 687                 else if (opts == "lining")
 688                         h_font_osf = "false";
 689         }
 690
 691         if (name == "libertine-type1") {
 692                 h_font_roman = "libertine";
 693                 // NOTE: contrary to libertine.sty, libertine-type1
 694                 // does not automatically invoke biolinum
 695                 if (opts == "lining")
 696                         h_font_osf = "false";
 697                 else if (opts == "osf")
 698                         h_font_osf = "true";
 699         }
 700
 701         if (name == "mathdesign") {
 702                 if (opts.find("charter") != string::npos)
 703                         h_font_roman = "md-charter";
 704                 if (opts.find("garamond") != string::npos)
 705                         h_font_roman = "md-garamond";
 706                 if (opts.find("utopia") != string::npos)
 707                         h_font_roman = "md-utopia";
 708                 if (opts.find("expert") != string::npos) {
 709                         h_font_sc = "true";
 710                         h_font_osf = "true";
 711                 }
 712         }
 713
 714         else if (name == "mathpazo")
 715                 h_font_roman = "palatino";
 716
 717         else if (name == "mathptmx")
 718                 h_font_roman = "times";
 719
 720         // sansserif fonts
 721         if (is_known(name, known_sans_fonts)) {
 722                 h_font_sans = name;
 723                 if (options.size() == 1) {
 724                         if (scale_as_percentage(opts, h_font_sf_scale))
 725                                 options.clear();
 726                 }
 727         }
 728
 729         if (name == "biolinum-type1")
 730                 h_font_sans = "biolinum";
 731
 732         // typewriter fonts
 733         if (is_known(name, known_typewriter_fonts)) {
 734                 // fourier can be set as roman font _only_
 735                 // fourier as typewriter is handled in handling of \ttdefault
 736                 if (name != "fourier") {
 737                         h_font_typewriter = name;
 738                         if (options.size() == 1) {
 739                                 if (scale_as_percentage(opts, h_font_tt_scale))
 740                                         options.clear();
 741                         }
 742                 }
 743         }
 744
 745         // font uses old-style figure
 746         if (name == "eco")
 747                 h_font_osf = "true";
 748
 749         // math fonts
 750         if (is_known(name, known_math_fonts))
 751                 h_font_math = name;
 752
 753         if (name == "newtxmath") {
 754                 if (opts.empty())
 755                         h_font_math = "newtxmath";
 756                 else if (opts == "garamondx")
 757                         h_font_math = "garamondx-ntxm";
 758                 else if (opts == "libertine")
 759                         h_font_math = "libertine-ntxm";
 760                 else if (opts == "minion")
 761                         h_font_math = "minion-ntxm";
 762         }
 763
 764         if (name == "refstyle")
 765                 h_use_refstyle = "1";
 766
 767         // after the detection and handling of special cases, we can remove the
 768         // fonts, otherwise they would appear in the preamble, see bug #7856
 769         if (is_known(name, known_roman_fonts) || is_known(name, known_sans_fonts)
 770                 ||      is_known(name, known_typewriter_fonts) || is_known(name, known_math_fonts))
 771                 ;
 772
 773         else if (name == "amsmath" || name == "amssymb" ||
 774                  name == "esint" || name == "mhchem" || name == "mathdots" ||
 775                  name == "mathtools" || name == "stackrel" ||
 776                  name == "stmaryrd" || name == "undertilde")
 777                 h_use_packages[name] = "2";
 778
 779         else if (name == "babel") {
 780                 h_language_package = "default";
 781                 // One might think we would have to do nothing if babel is loaded
 782                 // without any options to prevent pollution of the preamble with this
 783                 // babel call in every roundtrip.
 784                 // But the user could have defined babel-specific things afterwards. So
 785                 // we need to keep it in the preamble to prevent cases like bug #7861.
 786                 if (!opts.empty()) {
 787                         // check if more than one option was used - used later for inputenc
 788                         if (options.begin() != options.end() - 1)
 789                                 one_language = false;
 790                         // babel takes the last language of the option of its \usepackage
 791                         // call as document language. If there is no such language option, the
 792                         // last language in the documentclass options is used.
 793                         handle_opt(options, known_languages, h_language);
 794                         // translate the babel name to a LyX name
 795                         h_language = babel2lyx(h_language);
 796                         if (h_language == "japanese") {
 797                                 // For Japanese, the encoding isn't indicated in the source
 798                                 // file, and there's really not much we can do. We could
 799                                 // 1) offer a list of possible encodings to choose from, or
 800                                 // 2) determine the encoding of the file by inspecting it.
 801                                 // For the time being, we leave the encoding alone so that
 802                                 // we don't get iconv errors when making a wrong guess, and
 803                                 // we will output a note at the top of the document
 804                                 // explaining what to do.
 805                                 Encoding const * const enc = encodings.fromIconvName(
 806                                         p.getEncoding(), Encoding::japanese, false);
 807                                 if (enc)
 808                                         h_inputencoding = enc->name();
 809                                 is_nonCJKJapanese = true;
 810                                 // in this case babel can be removed from the preamble
 811                                 registerAutomaticallyLoadedPackage("babel");
 812                         } else {
 813                                 // If babel is called with options, LyX puts them by default into the
 814                                 // document class options. This works for most languages, except
 815                                 // for Latvian, Lithuanian, Mongolian, Turkmen and Vietnamese and
 816                                 // perhaps in future others.
 817                                 // Therefore keep the babel call as it is as the user might have
 818                                 // reasons for it.
 819                                 h_preamble << "\\usepackage[" << opts << "]{babel}\n";
 820                         }
 821                         delete_opt(options, known_languages);
 822                 }
 823                 else
 824                         h_preamble << "\\usepackage{babel}\n";
 825         }
 826
 827         else if (name == "polyglossia") {
 828                 h_language_package = "default";
 829                 h_default_output_format = "pdf4";
 830                 h_use_non_tex_fonts = "true";
 831                 xetex = true;
 832                 registerAutomaticallyLoadedPackage("xunicode");
 833                 if (h_inputencoding == "auto")
 834                         p.setEncoding("UTF-8");
 835         }
 836
 837         else if (name == "CJK") {
 838                 // set the encoding to "auto" because it might be set to "default" by the babel handling
 839                 // and this would not be correct for CJK
 840                 if (h_inputencoding == "default")
 841                         h_inputencoding = "auto";
 842                 registerAutomaticallyLoadedPackage("CJK");
 843         }
 844
 845         else if (name == "CJKutf8") {
 846                 h_inputencoding = "UTF8";
 847                 p.setEncoding("UTF-8");
 848                 registerAutomaticallyLoadedPackage("CJKutf8");
 849         }
 850
 851         else if (name == "fontenc") {
 852                 h_fontencoding = getStringFromVector(options, ",");
 853                 /* We could do the following for better round trip support,
 854                  * but this makes the document less portable, so I skip it:
 855                 if (h_fontencoding == lyxrc.fontenc)
 856                         h_fontencoding = "global";
 857                  */
 858                 options.clear();
 859         }
 860
 861         else if (name == "inputenc" || name == "luainputenc") {
 862                 // h_inputencoding is only set when there is not more than one
 863                 // inputenc option because otherwise h_inputencoding must be
 864                 // set to "auto" (the default encoding of the document language)
 865                 // Therefore check for the "," character.
 866                 // It is also only set when there is not more than one babel
 867                 // language option.
 868                 if (opts.find(",") == string::npos && one_language == true)
 869                         h_inputencoding = opts;
 870                 if (!options.empty())
 871                         p.setEncoding(options.back(), Encoding::inputenc);
 872                 options.clear();
 873         }
 874
 875         else if (name == "srcltx") {
 876                 h_output_sync = "1";
 877                 if (!opts.empty()) {
 878                         h_output_sync_macro = "\\usepackage[" + opts + "]{srcltx}";
 879                         options.clear();
 880                 } else
 881                         h_output_sync_macro = "\\usepackage{srcltx}";
 882         }
 883
 884         else if (is_known(name, known_old_language_packages)) {
 885                 // known language packages from the times before babel
 886                 // if they are found and not also babel, they will be used as
 887                 // custom language package
 888                 h_language_package = "\\usepackage{" + name + "}";
 889         }
 890
 891         else if (name == "prettyref")
 892                 ; // ignore this FIXME: Use the package separator mechanism instead
 893
 894         else if (name == "lyxskak") {
 895                 // ignore this and its options
 896                 const char * const o[] = {"ps", "mover", 0};
 897                 delete_opt(options, o);
 898         }
 899
 900         else if (is_known(name, known_lyx_packages) && options.empty()) {
 901                 if (name == "splitidx")
 902                         h_use_indices = "true";
 903                 if (!in_lyx_preamble) {
 904                         h_preamble << package_beg_sep << name
 905                                    << package_mid_sep << "\\usepackage{"
 906                                    << name << '}';
 907                         if (p.next_token().cat() == catNewline ||
 908                             (p.next_token().cat() == catSpace &&
 909                              p.next_next_token().cat() == catNewline))
 910                                 h_preamble << '\n';
 911                         h_preamble << package_end_sep;
 912                 }
 913         }
 914
 915         else if (name == "geometry")
 916                 handle_geometry(options);
 917
 918         else if (name == "subfig")
 919                 ; // ignore this FIXME: Use the package separator mechanism instead
 920
 921         else if ((where = is_known(name, known_languages)))
 922                 h_language = known_coded_languages[where - known_languages];
 923
 924         else if (name == "natbib") {
 925                 h_biblio_style = "plainnat";
 926                 h_cite_engine = "natbib";
 927                 h_cite_engine_type = "authoryear";
 928                 vector<string>::iterator it =
 929                         find(options.begin(), options.end(), "authoryear");
 930                 if (it != options.end())
 931                         options.erase(it);
 932                 else {
 933                         it = find(options.begin(), options.end(), "numbers");
 934                         if (it != options.end()) {
 935                                 h_cite_engine_type = "numerical";
 936                                 options.erase(it);
 937                         }
 938                 }
 939         }
 940
 941         else if (name == "jurabib") {
 942                 h_biblio_style = "jurabib";
 943                 h_cite_engine = "jurabib";
 944                 h_cite_engine_type = "authoryear";
 945         }
 946
 947         else if (name == "hyperref")
 948                 handle_hyperref(options);
 949
 950         else if (!in_lyx_preamble) {
 951                 if (options.empty())
 952                         h_preamble << "\\usepackage{" << name << '}';
 953                 else {
 954                         h_preamble << "\\usepackage[" << opts << "]{"
 955                                    << name << '}';
 956                         options.clear();
 957                 }
 958                 if (p.next_token().cat() == catNewline ||
 959                     (p.next_token().cat() == catSpace &&
 960                      p.next_next_token().cat() == catNewline))
 961                         h_preamble << '\n';
 962         }
 963
 964         // We need to do something with the options...
 965         if (!options.empty())
 966                 cerr << "Ignoring options '" << join(options, ",")
 967                      << "' of package " << name << '.' << endl;
 968
 969         // remove the whitespace
 970         p.skip_spaces();
 971 }
 972
 973
 974 void Preamble::handle_if(Parser & p, bool in_lyx_preamble)
 975 {
 976         while (p.good()) {
 977                 Token t = p.get_token();
 978                 if (t.cat() == catEscape &&
 979                     is_known(t.cs(), known_if_commands))
 980                         handle_if(p, in_lyx_preamble);
 981                 else {
 982                         if (!in_lyx_preamble)
 983                                 h_preamble << t.asInput();
 984                         if (t.cat() == catEscape && t.cs() == "fi")
 985                                 return;
 986                 }
 987         }
 988 }
 989
 990
 991 bool Preamble::writeLyXHeader(ostream & os, bool subdoc)
 992 {
 993         // set the quote language
 994         // LyX only knows the following quotes languages:
 995         // english, swedish, german, polish, french and danish
 996         // (quotes for "japanese" and "chinese-traditional" are missing because
 997         //  they wouldn't be useful: http://www.lyx.org/trac/ticket/6383)
 998         // conversion list taken from
 999         // http://en.wikipedia.org/wiki/Quotation_mark,_non-English_usage
1000         // (quotes for kazakh and interlingua are unknown)
1001         // danish
1002         if (is_known(h_language, known_danish_quotes_languages))
1003                 h_quotes_language = "danish";
1004         // french
1005         else if (is_known(h_language, known_french_quotes_languages))
1006                 h_quotes_language = "french";
1007         // german
1008         else if (is_known(h_language, known_german_quotes_languages))
1009                 h_quotes_language = "german";
1010         // polish
1011         else if (is_known(h_language, known_polish_quotes_languages))
1012                 h_quotes_language = "polish";
1013         // swedish
1014         else if (is_known(h_language, known_swedish_quotes_languages))
1015                 h_quotes_language = "swedish";
1016         //english
1017         else if (is_known(h_language, known_english_quotes_languages))
1018                 h_quotes_language = "english";
1019
1020         if (contains(h_float_placement, "H"))
1021                 registerAutomaticallyLoadedPackage("float");
1022         if (h_spacing != "single" && h_spacing != "default")
1023                 registerAutomaticallyLoadedPackage("setspace");
1024         if (h_use_packages["amsmath"] == "2") {
1025                 // amsbsy and amstext are already provided by amsmath
1026                 registerAutomaticallyLoadedPackage("amsbsy");
1027                 registerAutomaticallyLoadedPackage("amstext");
1028         }
1029
1030         // output the LyX file settings
1031         os << "#LyX file created by tex2lyx " << PACKAGE_VERSION << "\n"
1032            << "\\lyxformat " << LYX_FORMAT << '\n'
1033            << "\\begin_document\n"
1034            << "\\begin_header\n"
1035            << "\\textclass " << h_textclass << "\n";
1036         string const raw = subdoc ? empty_string() : h_preamble.str();
1037         if (!raw.empty()) {
1038                 os << "\\begin_preamble\n";
1039                 for (string::size_type i = 0; i < raw.size(); ++i) {
1040                         if (raw[i] == package_beg_sep) {
1041                                 // Here follows some package loading code that
1042                                 // must be skipped if the package is loaded
1043                                 // automatically.
1044                                 string::size_type j = raw.find(package_mid_sep, i);
1045                                 if (j == string::npos)
1046                                         return false;
1047                                 string::size_type k = raw.find(package_end_sep, j);
1048                                 if (k == string::npos)
1049                                         return false;
1050                                 string const package = raw.substr(i + 1, j - i - 1);
1051                                 string const replacement = raw.substr(j + 1, k - j - 1);
1052                                 if (auto_packages.find(package) == auto_packages.end())
1053                                         os << replacement;
1054                                 i = k;
1055                         } else
1056                                 os.put(raw[i]);
1057                 }
1058                 os << "\n\\end_preamble\n";
1059         }
1060         if (!h_options.empty())
1061                 os << "\\options " << h_options << "\n";
1062         os << "\\use_default_options " << h_use_default_options << "\n";
1063         if (!used_modules.empty()) {
1064                 os << "\\begin_modules\n";
1065                 vector<string>::const_iterator const end = used_modules.end();
1066                 vector<string>::const_iterator it = used_modules.begin();
1067                 for (; it != end; ++it)
1068                         os << *it << '\n';
1069                 os << "\\end_modules\n";
1070         }
1071         os << "\\maintain_unincluded_children " << h_maintain_unincluded_children << "\n"
1072            << "\\language " << h_language << "\n"
1073            << "\\language_package " << h_language_package << "\n"
1074            << "\\inputencoding " << h_inputencoding << "\n"
1075            << "\\fontencoding " << h_fontencoding << "\n"
1076            << "\\font_roman " << h_font_roman << "\n"
1077            << "\\font_sans " << h_font_sans << "\n"
1078            << "\\font_typewriter " << h_font_typewriter << "\n"
1079            << "\\font_math " << h_font_math << "\n"
1080            << "\\font_default_family " << h_font_default_family << "\n"
1081            << "\\use_non_tex_fonts " << h_use_non_tex_fonts << "\n"
1082            << "\\font_sc " << h_font_sc << "\n"
1083            << "\\font_osf " << h_font_osf << "\n"
1084            << "\\font_sf_scale " << h_font_sf_scale << "\n"
1085            << "\\font_tt_scale " << h_font_tt_scale << '\n';
1086         if (!h_font_cjk.empty())
1087                 os << "\\font_cjk " << h_font_cjk << '\n';
1088         os << "\\graphics " << h_graphics << '\n'
1089            << "\\default_output_format " << h_default_output_format << "\n"
1090            << "\\output_sync " << h_output_sync << "\n";
1091         if (h_output_sync == "1")
1092                 os << "\\output_sync_macro \"" << h_output_sync_macro << "\"\n";
1093         os << "\\bibtex_command " << h_bibtex_command << "\n"
1094            << "\\index_command " << h_index_command << "\n";
1095         if (!h_float_placement.empty())
1096                 os << "\\float_placement " << h_float_placement << "\n";
1097         os << "\\paperfontsize " << h_paperfontsize << "\n"
1098            << "\\spacing " << h_spacing << "\n"
1099            << "\\use_hyperref " << h_use_hyperref << '\n';
1100         if (h_use_hyperref == "true") {
1101                 if (!h_pdf_title.empty())
1102                         os << "\\pdf_title \"" << h_pdf_title << "\"\n";
1103                 if (!h_pdf_author.empty())
1104                         os << "\\pdf_author \"" << h_pdf_author << "\"\n";
1105                 if (!h_pdf_subject.empty())
1106                         os << "\\pdf_subject \"" << h_pdf_subject << "\"\n";
1107                 if (!h_pdf_keywords.empty())
1108                         os << "\\pdf_keywords \"" << h_pdf_keywords << "\"\n";
1109                 os << "\\pdf_bookmarks " << h_pdf_bookmarks << "\n"
1110                       "\\pdf_bookmarksnumbered " << h_pdf_bookmarksnumbered << "\n"
1111                       "\\pdf_bookmarksopen " << h_pdf_bookmarksopen << "\n"
1112                       "\\pdf_bookmarksopenlevel " << h_pdf_bookmarksopenlevel << "\n"
1113                       "\\pdf_breaklinks " << h_pdf_breaklinks << "\n"
1114                       "\\pdf_pdfborder " << h_pdf_pdfborder << "\n"
1115                       "\\pdf_colorlinks " << h_pdf_colorlinks << "\n"
1116                       "\\pdf_backref " << h_pdf_backref << "\n"
1117                       "\\pdf_pdfusetitle " << h_pdf_pdfusetitle << '\n';
1118                 if (!h_pdf_pagemode.empty())
1119                         os << "\\pdf_pagemode " << h_pdf_pagemode << '\n';
1120                 if (!h_pdf_quoted_options.empty())
1121                         os << "\\pdf_quoted_options \"" << h_pdf_quoted_options << "\"\n";
1122         }
1123         os << "\\papersize " << h_papersize << "\n"
1124            << "\\use_geometry " << h_use_geometry << '\n';
1125         for (map<string, string>::const_iterator it = h_use_packages.begin();
1126              it != h_use_packages.end(); ++it)
1127                 os << "\\use_package " << it->first << ' ' << it->second << '\n';
1128         os << "\\cite_engine " << h_cite_engine << '\n'
1129            << "\\cite_engine_type " << h_cite_engine_type << '\n'
1130            << "\\biblio_style " << h_biblio_style << "\n"
1131            << "\\use_bibtopic " << h_use_bibtopic << "\n"
1132            << "\\use_indices " << h_use_indices << "\n"
1133            << "\\paperorientation " << h_paperorientation << '\n'
1134            << "\\suppress_date " << h_suppress_date << '\n'
1135            << "\\justification " << h_justification << '\n'
1136            << "\\use_refstyle " << h_use_refstyle << '\n';
1137         if (!h_fontcolor.empty())
1138                 os << "\\fontcolor " << h_fontcolor << '\n';
1139         if (!h_notefontcolor.empty())
1140                 os << "\\notefontcolor " << h_notefontcolor << '\n';
1141         if (!h_backgroundcolor.empty())
1142                 os << "\\backgroundcolor " << h_backgroundcolor << '\n';
1143         if (!h_boxbgcolor.empty())
1144                 os << "\\boxbgcolor " << h_boxbgcolor << '\n';
1145         os << "\\index " << h_index << '\n'
1146            << "\\shortcut " << h_shortcut << '\n'
1147            << "\\color " << h_color << '\n'
1148            << "\\end_index\n";
1149         os << h_margins
1150            << "\\secnumdepth " << h_secnumdepth << "\n"
1151            << "\\tocdepth " << h_tocdepth << "\n"
1152            << "\\paragraph_separation " << h_paragraph_separation << "\n";
1153         if (h_paragraph_separation == "skip")
1154                 os << "\\defskip " << h_defskip << "\n";
1155         else
1156                 os << "\\paragraph_indentation " << h_paragraph_indentation << "\n";
1157         os << "\\quotes_language " << h_quotes_language << "\n"
1158            << "\\papercolumns " << h_papercolumns << "\n"
1159            << "\\papersides " << h_papersides << "\n"
1160            << "\\paperpagestyle " << h_paperpagestyle << "\n";
1161         if (!h_listings_params.empty())
1162                 os << "\\listings_params " << h_listings_params << "\n";
1163         os << "\\tracking_changes " << h_tracking_changes << "\n"
1164            << "\\output_changes " << h_output_changes << "\n"
1165            << "\\html_math_output " << h_html_math_output << "\n"
1166            << "\\html_css_as_file " << h_html_css_as_file << "\n"
1167            << "\\html_be_strict " << h_html_be_strict << "\n"
1168            << authors_
1169            << "\\end_header\n\n"
1170            << "\\begin_body\n";
1171         return true;
1172 }
1173
1174
1175 void Preamble::parse(Parser & p, string const & forceclass,
1176                      TeX2LyXDocClass & tc)
1177 {
1178         // initialize fixed types
1179         special_columns['D'] = 3;
1180         bool is_full_document = false;
1181         bool is_lyx_file = false;
1182         bool in_lyx_preamble = false;
1183
1184         // determine whether this is a full document or a fragment for inclusion
1185         while (p.good()) {
1186                 Token const & t = p.get_token();
1187
1188                 if (t.cat() == catEscape && t.cs() == "documentclass") {
1189                         is_full_document = true;
1190                         break;
1191                 }
1192         }
1193         p.reset();
1194
1195         while (is_full_document && p.good()) {
1196                 Token const & t = p.get_token();
1197
1198 #ifdef FILEDEBUG
1199                 cerr << "t: " << t << "\n";
1200 #endif
1201
1202                 //
1203                 // cat codes
1204                 //
1205                 if (!in_lyx_preamble &&
1206                     (t.cat() == catLetter ||
1207                      t.cat() == catSuper ||
1208                      t.cat() == catSub ||
1209                      t.cat() == catOther ||
1210                      t.cat() == catMath ||
1211                      t.cat() == catActive ||
1212                      t.cat() == catBegin ||
1213                      t.cat() == catEnd ||
1214                      t.cat() == catAlign ||
1215                      t.cat() == catParameter))
1216                         h_preamble << t.cs();
1217
1218                 else if (!in_lyx_preamble &&
1219                          (t.cat() == catSpace || t.cat() == catNewline))
1220                         h_preamble << t.asInput();
1221
1222                 else if (t.cat() == catComment) {
1223                         static regex const islyxfile("%% LyX .* created this file");
1224                         static regex const usercommands("User specified LaTeX commands");
1225
1226                         string const comment = t.asInput();
1227
1228                         // magically switch encoding default if it looks like XeLaTeX
1229                         static string const magicXeLaTeX =
1230                                 "% This document must be compiled with XeLaTeX ";
1231                         if (comment.size() > magicXeLaTeX.size()
1232                                   && comment.substr(0, magicXeLaTeX.size()) == magicXeLaTeX
1233                                   && h_inputencoding == "auto") {
1234                                 cerr << "XeLaTeX comment found, switching to UTF8\n";
1235                                 h_inputencoding = "utf8";
1236                         }
1237                         smatch sub;
1238                         if (regex_search(comment, sub, islyxfile)) {
1239                                 is_lyx_file = true;
1240                                 in_lyx_preamble = true;
1241                         } else if (is_lyx_file
1242                                    && regex_search(comment, sub, usercommands))
1243                                 in_lyx_preamble = false;
1244                         else if (!in_lyx_preamble)
1245                                 h_preamble << t.asInput();
1246                 }
1247
1248                 else if (t.cs() == "pagestyle")
1249                         h_paperpagestyle = p.verbatim_item();
1250
1251                 else if (t.cs() == "setdefaultlanguage") {
1252                         xetex = true;
1253                         // We don't yet care about non-language variant options
1254                         // because LyX doesn't support this yet, see bug #8214
1255                         if (p.hasOpt()) {
1256                                 string langopts = p.getOpt();
1257                                 // check if the option contains a variant, if yes, extract it
1258                                 string::size_type pos_var = langopts.find("variant");
1259                                 string::size_type i = langopts.find(',', pos_var);
1260                                 string::size_type k = langopts.find('=', pos_var);
1261                                 if (pos_var != string::npos){
1262                                         string variant;
1263                                         if (i == string::npos)
1264                                                 variant = langopts.substr(k + 1, langopts.length() - k - 2);
1265                                         else
1266                                                 variant = langopts.substr(k + 1, i - k - 1);
1267                                         h_language = variant;
1268                                 }
1269                                 p.verbatim_item();
1270                         } else
1271                                 h_language = p.verbatim_item();
1272                         //finally translate the poyglossia name to a LyX name
1273                         h_language = polyglossia2lyx(h_language);
1274                 }
1275
1276                 else if (t.cs() == "setotherlanguage") {
1277                         // We don't yet care about the option because LyX doesn't
1278                         // support this yet, see bug #8214
1279                         p.hasOpt() ? p.getOpt() : string();
1280                         p.verbatim_item();
1281                 }
1282
1283                 else if (t.cs() == "setmainfont") {
1284                         // we don't care about the option
1285                         p.hasOpt() ? p.getOpt() : string();
1286                         h_font_roman = p.getArg('{', '}');
1287                 }
1288
1289                 else if (t.cs() == "setsansfont" || t.cs() == "setmonofont") {
1290                         // LyX currently only supports the scale option
1291                         string scale;
1292                         if (p.hasOpt()) {
1293                                 string fontopts = p.getArg('[', ']');
1294                                 // check if the option contains a scaling, if yes, extract it
1295                                 string::size_type pos = fontopts.find("Scale");
1296                                 if (pos != string::npos) {
1297                                         string::size_type i = fontopts.find(',', pos);
1298                                         if (i == string::npos)
1299                                                 scale_as_percentage(fontopts.substr(pos + 1), scale);
1300                                         else
1301                                                 scale_as_percentage(fontopts.substr(pos, i - pos), scale);
1302                                 }
1303                         }
1304                         if (t.cs() == "setsansfont") {
1305                                 if (!scale.empty())
1306                                         h_font_sf_scale = scale;
1307                                 h_font_sans = p.getArg('{', '}');
1308                         } else {
1309                                 if (!scale.empty())
1310                                         h_font_tt_scale = scale;
1311                                 h_font_typewriter = p.getArg('{', '}');
1312                         }
1313                 }
1314
1315                 else if (t.cs() == "date") {
1316                         string argument = p.getArg('{', '}');
1317                         if (argument.empty())
1318                                 h_suppress_date = "true";
1319                         else
1320                                 h_preamble << t.asInput() << '{' << argument << '}';
1321                 }
1322
1323                 else if (t.cs() == "color") {
1324                         string const space =
1325                                 (p.hasOpt() ? p.getOpt() : string());
1326                         string argument = p.getArg('{', '}');
1327                         // check the case that a standard color is used
1328                         if (space.empty() && is_known(argument, known_basic_colors)) {
1329                                 h_fontcolor = rgbcolor2code(argument);
1330                                 preamble.registerAutomaticallyLoadedPackage("color");
1331                         } else if (space.empty() && argument == "document_fontcolor")
1332                                 preamble.registerAutomaticallyLoadedPackage("color");
1333                         // check the case that LyX's document_fontcolor is defined
1334                         // but not used for \color
1335                         else {
1336                                 h_preamble << t.asInput();
1337                                 if (!space.empty())
1338                                         h_preamble << space;
1339                                 h_preamble << '{' << argument << '}';
1340                                 // the color might already be set because \definecolor
1341                                 // is parsed before this
1342                                 h_fontcolor = "";
1343                         }
1344                 }
1345
1346                 else if (t.cs() == "pagecolor") {
1347                         string argument = p.getArg('{', '}');
1348                         // check the case that a standard color is used
1349                         if (is_known(argument, known_basic_colors)) {
1350                                 h_backgroundcolor = rgbcolor2code(argument);
1351                         } else if (argument == "page_backgroundcolor")
1352                                 preamble.registerAutomaticallyLoadedPackage("color");
1353                         // check the case that LyX's page_backgroundcolor is defined
1354                         // but not used for \pagecolor
1355                         else {
1356                                 h_preamble << t.asInput() << '{' << argument << '}';
1357                                 // the color might already be set because \definecolor
1358                                 // is parsed before this
1359                                 h_backgroundcolor = "";
1360                         }
1361                 }
1362
1363                 else if (t.cs() == "makeatletter") {
1364                         // LyX takes care of this
1365                         p.setCatcode('@', catLetter);
1366                 }
1367
1368                 else if (t.cs() == "makeatother") {
1369                         // LyX takes care of this
1370                         p.setCatcode('@', catOther);
1371                 }
1372
1373                 else if (t.cs() == "newcommand" || t.cs() == "newcommandx"
1374                       || t.cs() == "renewcommand" || t.cs() == "renewcommandx"
1375                       || t.cs() == "providecommand" || t.cs() == "providecommandx"
1376                                 || t.cs() == "DeclareRobustCommand"
1377                       || t.cs() == "DeclareRobustCommandx"
1378                                 || t.cs() == "ProvideTextCommandDefault"
1379                                 || t.cs() == "DeclareMathAccent") {
1380                         bool star = false;
1381                         if (p.next_token().character() == '*') {
1382                                 p.get_token();
1383                                 star = true;
1384                         }
1385                         string const name = p.verbatim_item();
1386                         string const opt1 = p.getFullOpt();
1387                         string const opt2 = p.getFullOpt();
1388                         string const body = p.verbatim_item();
1389                         // store the in_lyx_preamble setting
1390                         bool const was_in_lyx_preamble = in_lyx_preamble;
1391                         // font settings
1392                         if (name == "\\rmdefault")
1393                                 if (is_known(body, known_roman_fonts)) {
1394                                         h_font_roman = body;
1395                                         p.skip_spaces();
1396                                         in_lyx_preamble = true;
1397                                 }
1398                         if (name == "\\sfdefault")
1399                                 if (is_known(body, known_sans_fonts)) {
1400                                         h_font_sans = body;
1401                                         p.skip_spaces();
1402                                         in_lyx_preamble = true;
1403                                 }
1404                         if (name == "\\ttdefault")
1405                                 if (is_known(body, known_typewriter_fonts)) {
1406                                         h_font_typewriter = body;
1407                                         p.skip_spaces();
1408                                         in_lyx_preamble = true;
1409                                 }
1410                         if (name == "\\familydefault") {
1411                                 string family = body;
1412                                 // remove leading "\"
1413                                 h_font_default_family = family.erase(0,1);
1414                                 p.skip_spaces();
1415                                 in_lyx_preamble = true;
1416                         }
1417
1418                         if (name == "\\bfdefault")
1419                                 // LyX re-adds this if a kurier font is used
1420                                 if (is_known(h_font_sans, known_kurier_fonts) && body == "b") {
1421                                         p.skip_spaces();
1422                                         in_lyx_preamble = true;
1423                                 }
1424
1425                         // remove the lyxdot definition that is re-added by LyX
1426                         // if necessary
1427                         if (name == "\\lyxdot") {
1428                                 p.skip_spaces();
1429                                 in_lyx_preamble = true;
1430                         }
1431
1432                         // Add the command to the known commands
1433                         add_known_command(name, opt1, !opt2.empty(), from_utf8(body));
1434
1435                         // only non-lyxspecific stuff
1436                         if (!in_lyx_preamble) {
1437                                 ostringstream ss;
1438                                 ss << '\\' << t.cs();
1439                                 if (star)
1440                                         ss << '*';
1441                                 ss << '{' << name << '}' << opt1 << opt2
1442                                    << '{' << body << "}";
1443                                 h_preamble << ss.str();
1444 /*
1445                                 ostream & out = in_preamble ? h_preamble : os;
1446                                 out << "\\" << t.cs() << "{" << name << "}"
1447                                     << opts << "{" << body << "}";
1448 */
1449                         }
1450                         // restore the in_lyx_preamble setting
1451                         in_lyx_preamble = was_in_lyx_preamble;
1452                 }
1453
1454                 else if (t.cs() == "edef"){
1455                         // we only support this for kurier fonts
1456                         string const command = p.next_token().asInput();
1457                         p.get_token();
1458                         if (command == "\\sfdefault") {
1459                                 p.getArg('{', '}');
1460                                 if (h_font_sans == "kurier")
1461                                         h_font_sans = "kurier-condensed";
1462                                 if (h_font_sans == "kurierl")
1463                                         h_font_sans = "kurier-light-condensed";
1464                                 p.skip_spaces();
1465                         }
1466                         else
1467                                 h_preamble << "\\edef" << command << "{" << p.getArg('{', '}') << "}\n";
1468                 }
1469
1470                 else if (t.cs() == "documentclass") {
1471                         vector<string>::iterator it;
1472                         vector<string> opts = split_options(p.getArg('[', ']'));
1473                         handle_opt(opts, known_fontsizes, h_paperfontsize);
1474                         delete_opt(opts, known_fontsizes);
1475                         // delete "pt" at the end
1476                         string::size_type i = h_paperfontsize.find("pt");
1477                         if (i != string::npos)
1478                                 h_paperfontsize.erase(i);
1479                         // The documentclass options are always parsed before the options
1480                         // of the babel call so that a language cannot overwrite the babel
1481                         // options.
1482                         handle_opt(opts, known_languages, h_language);
1483                         delete_opt(opts, known_languages);
1484
1485                         // paper orientation
1486                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
1487                                 h_paperorientation = "landscape";
1488                                 opts.erase(it);
1489                         }
1490                         // paper sides
1491                         if ((it = find(opts.begin(), opts.end(), "oneside"))
1492                                  != opts.end()) {
1493                                 h_papersides = "1";
1494                                 opts.erase(it);
1495                         }
1496                         if ((it = find(opts.begin(), opts.end(), "twoside"))
1497                                  != opts.end()) {
1498                                 h_papersides = "2";
1499                                 opts.erase(it);
1500                         }
1501                         // paper columns
1502                         if ((it = find(opts.begin(), opts.end(), "onecolumn"))
1503                                  != opts.end()) {
1504                                 h_papercolumns = "1";
1505                                 opts.erase(it);
1506                         }
1507                         if ((it = find(opts.begin(), opts.end(), "twocolumn"))
1508                                  != opts.end()) {
1509                                 h_papercolumns = "2";
1510                                 opts.erase(it);
1511                         }
1512                         // paper sizes
1513                         // some size options are known to any document classes, other sizes
1514                         // are handled by the \geometry command of the geometry package
1515                         handle_opt(opts, known_class_paper_sizes, h_papersize);
1516                         delete_opt(opts, known_class_paper_sizes);
1517                         // the remaining options
1518                         h_options = join(opts, ",");
1519                         // FIXME This does not work for classes that have a
1520                         //       different name in LyX than in LaTeX
1521                         h_textclass = p.getArg('{', '}');
1522                         p.skip_spaces();
1523                 }
1524
1525                 else if (t.cs() == "usepackage") {
1526                         string const options = p.getArg('[', ']');
1527                         string const name = p.getArg('{', '}');
1528                         vector<string> vecnames;
1529                         split(name, vecnames, ',');
1530                         vector<string>::const_iterator it  = vecnames.begin();
1531                         vector<string>::const_iterator end = vecnames.end();
1532                         for (; it != end; ++it)
1533                                 handle_package(p, trimSpaceAndEol(*it), options,
1534                                                in_lyx_preamble);
1535                 }
1536
1537                 else if (t.cs() == "inputencoding") {
1538                         string const encoding = p.getArg('{','}');
1539                         h_inputencoding = encoding;
1540                         p.setEncoding(encoding, Encoding::inputenc);
1541                 }
1542
1543                 else if (t.cs() == "newenvironment") {
1544                         string const name = p.getArg('{', '}');
1545                         string const opt1 = p.getFullOpt();
1546                         string const opt2 = p.getFullOpt();
1547                         string const beg = p.verbatim_item();
1548                         string const end = p.verbatim_item();
1549                         if (!in_lyx_preamble) {
1550                                 h_preamble << "\\newenvironment{" << name
1551                                            << '}' << opt1 << opt2 << '{'
1552                                            << beg << "}{" << end << '}';
1553                         }
1554                         add_known_environment(name, opt1, !opt2.empty(),
1555                                               from_utf8(beg), from_utf8(end));
1556
1557                 }
1558
1559                 else if (t.cs() == "newtheorem") {
1560                         string const name = p.getArg('{', '}');
1561                         string const opt1 = p.getFullOpt();
1562                         string const opt2 = p.getFullOpt();
1563                         string const body = p.verbatim_item();
1564                         string const opt3 = p.getFullOpt();
1565
1566                         add_known_theorem(name, opt1, !opt2.empty(),
1567                                 from_utf8("\\newtheorem{" + name + '}' +
1568                                           opt1 + opt2 + '{' + body + '}' + opt3));
1569
1570                         if (!in_lyx_preamble)
1571                                 h_preamble << "\\newtheorem{" << name << '}'
1572                                            << opt1 << opt2 << '{' << '}' << opt3;
1573                 }
1574
1575                 else if (t.cs() == "def") {
1576                         string name = p.get_token().cs();
1577                         // In fact, name may be more than the name:
1578                         // In the test case of bug 8116
1579                         // name == "csname SF@gobble@opt \endcsname".
1580                         // Therefore, we need to use asInput() instead of cs().
1581                         while (p.next_token().cat() != catBegin)
1582                                 name += p.get_token().asInput();
1583                         if (!in_lyx_preamble)
1584                                 h_preamble << "\\def\\" << name << '{'
1585                                            << p.verbatim_item() << "}";
1586                 }
1587
1588                 else if (t.cs() == "newcolumntype") {
1589                         string const name = p.getArg('{', '}');
1590                         trimSpaceAndEol(name);
1591                         int nargs = 0;
1592                         string opts = p.getOpt();
1593                         if (!opts.empty()) {
1594                                 istringstream is(string(opts, 1));
1595                                 is >> nargs;
1596                         }
1597                         special_columns[name[0]] = nargs;
1598                         h_preamble << "\\newcolumntype{" << name << "}";
1599                         if (nargs)
1600                                 h_preamble << "[" << nargs << "]";
1601                         h_preamble << "{" << p.verbatim_item() << "}";
1602                 }
1603
1604                 else if (t.cs() == "setcounter") {
1605                         string const name = p.getArg('{', '}');
1606                         string const content = p.getArg('{', '}');
1607                         if (name == "secnumdepth")
1608                                 h_secnumdepth = content;
1609                         else if (name == "tocdepth")
1610                                 h_tocdepth = content;
1611                         else
1612                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}";
1613                 }
1614
1615                 else if (t.cs() == "setlength") {
1616                         string const name = p.verbatim_item();
1617                         string const content = p.verbatim_item();
1618                         // the paragraphs are only not indented when \parindent is set to zero
1619                         if (name == "\\parindent" && content != "") {
1620                                 if (content[0] == '0')
1621                                         h_paragraph_separation = "skip";
1622                                 else
1623                                         h_paragraph_indentation = translate_len(content);
1624                         } else if (name == "\\parskip") {
1625                                 if (content == "\\smallskipamount")
1626                                         h_defskip = "smallskip";
1627                                 else if (content == "\\medskipamount")
1628                                         h_defskip = "medskip";
1629                                 else if (content == "\\bigskipamount")
1630                                         h_defskip = "bigskip";
1631                                 else
1632                                         h_defskip = content;
1633                         } else
1634                                 h_preamble << "\\setlength{" << name << "}{" << content << "}";
1635                 }
1636
1637                 else if (t.cs() == "onehalfspacing")
1638                         h_spacing = "onehalf";
1639
1640                 else if (t.cs() == "doublespacing")
1641                         h_spacing = "double";
1642
1643                 else if (t.cs() == "setstretch")
1644                         h_spacing = "other " + p.verbatim_item();
1645
1646                 else if (t.cs() == "synctex") {
1647                         // the scheme is \synctex=value
1648                         // where value can only be "1" or "-1"
1649                         h_output_sync = "1";
1650                         // there can be any character behind the value (e.g. a linebreak or a '\'
1651                         // therefore we extract it char by char
1652                         p.get_token();
1653                         string value = p.get_token().asInput();
1654                         if (value == "-")
1655                                 value += p.get_token().asInput();
1656                         h_output_sync_macro = "\\synctex=" + value;
1657                 }
1658
1659                 else if (t.cs() == "begin") {
1660                         string const name = p.getArg('{', '}');
1661                         if (name == "document")
1662                                 break;
1663                         h_preamble << "\\begin{" << name << "}";
1664                 }
1665
1666                 else if (t.cs() == "geometry") {
1667                         vector<string> opts = split_options(p.getArg('{', '}'));
1668                         handle_geometry(opts);
1669                 }
1670
1671                 else if (t.cs() == "definecolor") {
1672                         string const color = p.getArg('{', '}');
1673                         string const space = p.getArg('{', '}');
1674                         string const value = p.getArg('{', '}');
1675                         if (color == "document_fontcolor" && space == "rgb") {
1676                                 RGBColor c(RGBColorFromLaTeX(value));
1677                                 h_fontcolor = X11hexname(c);
1678                         } else if (color == "note_fontcolor" && space == "rgb") {
1679                                 RGBColor c(RGBColorFromLaTeX(value));
1680                                 h_notefontcolor = X11hexname(c);
1681                         } else if (color == "page_backgroundcolor" && space == "rgb") {
1682                                 RGBColor c(RGBColorFromLaTeX(value));
1683                                 h_backgroundcolor = X11hexname(c);
1684                         } else if (color == "shadecolor" && space == "rgb") {
1685                                 RGBColor c(RGBColorFromLaTeX(value));
1686                                 h_boxbgcolor = X11hexname(c);
1687                         } else {
1688                                 h_preamble << "\\definecolor{" << color
1689                                            << "}{" << space << "}{" << value
1690                                            << '}';
1691                         }
1692                 }
1693
1694                 else if (t.cs() == "bibliographystyle")
1695                         h_biblio_style = p.verbatim_item();
1696
1697                 else if (t.cs() == "jurabibsetup") {
1698                         // FIXME p.getArg('{', '}') is most probably wrong (it
1699                         //       does not handle nested braces).
1700                         //       Use p.verbatim_item() instead.
1701                         vector<string> jurabibsetup =
1702                                 split_options(p.getArg('{', '}'));
1703                         // add jurabibsetup to the jurabib package options
1704                         add_package("jurabib", jurabibsetup);
1705                         if (!jurabibsetup.empty()) {
1706                                 h_preamble << "\\jurabibsetup{"
1707                                            << join(jurabibsetup, ",") << '}';
1708                         }
1709                 }
1710
1711                 else if (t.cs() == "hypersetup") {
1712                         vector<string> hypersetup =
1713                                 split_options(p.verbatim_item());
1714                         // add hypersetup to the hyperref package options
1715                         handle_hyperref(hypersetup);
1716                         if (!hypersetup.empty()) {
1717                                 h_preamble << "\\hypersetup{"
1718                                            << join(hypersetup, ",") << '}';
1719                         }
1720                 }
1721
1722                 else if (is_known(t.cs(), known_if_3arg_commands)) {
1723                         // prevent misparsing of \usepackage if it is used
1724                         // as an argument (see e.g. our own output of
1725                         // \@ifundefined above)
1726                         string const arg1 = p.verbatim_item();
1727                         string const arg2 = p.verbatim_item();
1728                         string const arg3 = p.verbatim_item();
1729                         // test case \@ifundefined{date}{}{\date{}}
1730                         if (t.cs() == "@ifundefined" && arg1 == "date" &&
1731                             arg2.empty() && arg3 == "\\date{}") {
1732                                 h_suppress_date = "true";
1733                         // older tex2lyx versions did output
1734                         // \@ifundefined{definecolor}{\usepackage{color}}{}
1735                         } else if (t.cs() == "@ifundefined" &&
1736                                    arg1 == "definecolor" &&
1737                                    arg2 == "\\usepackage{color}" &&
1738                                    arg3.empty()) {
1739                                 if (!in_lyx_preamble)
1740                                         h_preamble << package_beg_sep
1741                                                    << "color"
1742                                                    << package_mid_sep
1743                                                    << "\\@ifundefined{definecolor}{color}{}"
1744                                                    << package_end_sep;
1745                         // test for case
1746                         //\@ifundefined{showcaptionsetup}{}{%
1747                         // \PassOptionsToPackage{caption=false}{subfig}}
1748                         // that LyX uses for subfloats
1749                         } else if (t.cs() == "@ifundefined" &&
1750                                    arg1 == "showcaptionsetup" && arg2.empty()
1751                                 && arg3 == "%\n \\PassOptionsToPackage{caption=false}{subfig}") {
1752                                 ; // do nothing
1753                         } else if (!in_lyx_preamble) {
1754                                 h_preamble << t.asInput()
1755                                            << '{' << arg1 << '}'
1756                                            << '{' << arg2 << '}'
1757                                            << '{' << arg3 << '}';
1758                         }
1759                 }
1760
1761                 else if (is_known(t.cs(), known_if_commands)) {
1762                         // must not parse anything in conditional code, since
1763                         // LyX would output the parsed contents unconditionally
1764                         if (!in_lyx_preamble)
1765                                 h_preamble << t.asInput();
1766                         handle_if(p, in_lyx_preamble);
1767                 }
1768
1769                 else if (!t.cs().empty() && !in_lyx_preamble)
1770                         h_preamble << '\\' << t.cs();
1771         }
1772
1773         // remove the whitespace
1774         p.skip_spaces();
1775
1776         // Force textclass if the user wanted it
1777         if (!forceclass.empty())
1778                 h_textclass = forceclass;
1779         tc.setName(h_textclass);
1780         if (!tc.load()) {
1781                 cerr << "Error: Could not read layout file for textclass \"" << h_textclass << "\"." << endl;
1782                 exit(EXIT_FAILURE);
1783         }
1784         if (h_papersides.empty()) {
1785                 ostringstream ss;
1786                 ss << tc.sides();
1787                 h_papersides = ss.str();
1788         }
1789
1790         // If the CJK package is used we cannot set the document language from
1791         // the babel options. Instead, we guess which language is used most
1792         // and set this one.
1793         default_language = h_language;
1794         if (is_full_document &&
1795             (auto_packages.find("CJK") != auto_packages.end() ||
1796              auto_packages.find("CJKutf8") != auto_packages.end())) {
1797                 p.pushPosition();
1798                 h_language = guessLanguage(p, default_language);
1799                 p.popPosition();
1800         }
1801 }
1802
1803
1804 string babel2lyx(string const & language)
1805 {
1806         char const * const * where = is_known(language, known_languages);
1807         if (where)
1808                 return known_coded_languages[where - known_languages];
1809         return language;
1810 }
1811
1812
1813 string Preamble::polyglossia2lyx(string const & language)
1814 {
1815         char const * const * where = is_known(language, polyglossia_languages);
1816         if (where)
1817                 return coded_polyglossia_languages[where - polyglossia_languages];
1818         return language;
1819 }
1820
1821
1822 string rgbcolor2code(string const & name)
1823 {
1824         char const * const * where = is_known(name, known_basic_colors);
1825         if (where) {
1826                 // "red", "green" etc
1827                 return known_basic_color_codes[where - known_basic_colors];
1828         }
1829         // "255,0,0", "0,255,0" etc
1830         RGBColor c(RGBColorFromLaTeX(name));
1831         return X11hexname(c);
1832 }
1833
1834 // }])
1835
1836
1837 } // namespace lyx