src/tex2lyx/text.C

   1 /**
   2  * \file tex2lyx/text.C
   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  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 // {[(
  13
  14 #include <config.h>
  15
  16 #include "tex2lyx.h"
  17 #include "context.h"
  18 #include "FloatList.h"
  19 #include "lengthcommon.h"
  20 #include "support/lstrings.h"
  21 #include "support/tostr.h"
  22 #include "support/filetools.h"
  23
  24 #include <iostream>
  25 #include <map>
  26 #include <sstream>
  27 #include <vector>
  28
  29 using std::cerr;
  30 using std::endl;
  31
  32 using std::map;
  33 using std::ostream;
  34 using std::ostringstream;
  35 using std::istringstream;
  36 using std::string;
  37 using std::vector;
  38
  39 using lyx::support::rtrim;
  40 using lyx::support::suffixIs;
  41 using lyx::support::contains;
  42
  43
  44 // thin wrapper around parse_text using a string
  45 string parse_text(Parser & p, unsigned flags, const bool outer,
  46                   Context & context)
  47 {
  48         ostringstream os;
  49         parse_text(p, os, flags, outer, context);
  50         return os.str();
  51 }
  52
  53 // parses a subdocument, usually useful in insets (whence the name)
  54 void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
  55                 Context & context)
  56 {
  57         Context newcontext(true, context.textclass);
  58         parse_text(p, os, flags, outer, newcontext);
  59         newcontext.check_end_layout(os);
  60 }
  61
  62
  63 // parses a paragraph snippet, useful for example for \emph{...}
  64 void parse_text_snippet(Parser & p, ostream & os, unsigned flags, bool outer,
  65                 Context & context)
  66 {
  67         Context newcontext(false, context.textclass);
  68         parse_text(p, os, flags, outer, newcontext);
  69         // should not be needed
  70         newcontext.check_end_layout(os);
  71 }
  72
  73
  74 namespace {
  75
  76 char const * known_latex_commands[] = { "ref", "cite", "label", "index",
  77 "printindex", "pageref", "url", "vref", "vpageref", "prettyref", "eqref", 0 };
  78
  79 // LaTeX names for quotes
  80 char const * known_quotes[] = { "glqq", "grqq", "quotedblbase",
  81 "textquotedblleft", "quotesinglbase", "guilsinglleft", "guilsinglright", 0};
  82
  83 // the same as known_quotes with .lyx names
  84 char const * known_coded_quotes[] = { "gld", "grd", "gld",
  85 "grd", "gls", "fls", "frd", 0};
  86
  87 char const * known_sizes[] = { "tiny", "scriptsize", "footnotesize",
  88 "small", "normalsize", "large", "Large", "LARGE", "huge", "Huge", 0};
  89
  90 char const * known_coded_sizes[] = { "tiny", "scriptsize", "footnotesize",
  91 "small", "normal", "large", "larger", "largest",  "huge", "giant", 0};
  92
  93 // splits "x=z, y=b" into a map
  94 map<string, string> split_map(string const & s)
  95 {
  96         map<string, string> res;
  97         vector<string> v;
  98         split(s, v);
  99         for (size_t i = 0; i < v.size(); ++i) {
 100                 size_t const pos   = v[i].find('=');
 101                 string const index = v[i].substr(0, pos);
 102                 string const value = v[i].substr(pos + 1, string::npos);
 103                 res[trim(index)] = trim(value);
 104         }
 105         return res;
 106 }
 107
 108
 109 /*!
 110  * Split a LaTeX length into value and unit.
 111  * The latter can be a real unit like "pt", or a latex length variable
 112  * like "\textwidth". The unit may contain additional stuff like glue
 113  * lengths, but we don't care, because such lengths are ERT anyway.
 114  * \return true if \param value and \param unit are valid.
 115  */
 116 bool splitLatexLength(string const & len, string & value, string & unit)
 117 {
 118         if (len.empty())
 119                 return false;
 120         const string::size_type i = len.find_first_not_of(" -+0123456789.,");
 121         //'4,5' is a valid LaTeX length number. Change it to '4.5'
 122         string const length = lyx::support::subst(len, ',', '.');
 123         if (i == string::npos)
 124                 return false;
 125         if (i == 0) {
 126                 if (len[0] == '\\') {
 127                         // We had something like \textwidth without a factor
 128                         value = "1.0";
 129                 } else {
 130                         return false;
 131                 }
 132         } else {
 133                 value = trim(string(length, 0, i));
 134         }
 135         if (value == "-")
 136                 value = "-1.0";
 137         // 'cM' is a valid LaTeX length unit. Change it to 'cm'
 138         if (contains(len, '\\'))
 139                 unit = trim(string(len, i));
 140         else
 141                 unit = lyx::support::lowercase(trim(string(len, i)));
 142         return true;
 143 }
 144
 145
 146 // A simple function to translate a latex length to something lyx can
 147 // understand. Not perfect, but rather best-effort.
 148 bool translate_len(string const & length, string & valstring, string & unit)
 149 {
 150         if (!splitLatexLength(length, valstring, unit))
 151                 return false;
 152         // LyX uses percent values
 153         double value;
 154         istringstream iss(valstring);
 155         iss >> value;
 156         value *= 100;
 157         ostringstream oss;
 158         oss << value;
 159         string const percentval = oss.str();
 160         // a normal length
 161         if (unit.empty() || unit[0] != '\\')
 162                 return true;
 163         const string::size_type i = unit.find(" ", i);
 164         string const endlen = (i == string::npos) ? string() : string(unit, i);
 165         if (unit == "\\textwidth") {
 166                 valstring = percentval;
 167                 unit = "text%" + endlen;
 168         } else if (unit == "\\columnwidth") {
 169                 valstring = percentval;
 170                 unit = "col%" + endlen;
 171         } else if (unit == "\\paperwidth") {
 172                 valstring = percentval;
 173                 unit = "page%" + endlen;
 174         } else if (unit == "\\linewidth") {
 175                 valstring = percentval;
 176                 unit = "line%" + endlen;
 177         } else if (unit == "\\paperheight") {
 178                 valstring = percentval;
 179                 unit = "pheight%" + endlen;
 180         } else if (unit == "\\textheight") {
 181                 valstring = percentval;
 182                 unit = "theight%" + endlen;
 183         }
 184         return true;
 185 }
 186
 187
 188 string translate_len(string const & length)
 189 {
 190         string unit;
 191         string value;
 192         if (translate_len(length, value, unit))
 193                 return value + unit;
 194         // If the input is invalid, return what we have.
 195         return length;
 196 }
 197
 198
 199 /*!
 200  * Translates a LaTeX length into \param value, \param unit and
 201  * \param special parts suitable for a box inset.
 202  * The difference from translate_len() is that a box inset knows about
 203  * some special "units" that are stored in \param special.
 204  */
 205 void translate_box_len(string const & length, string & value, string & unit, string & special)
 206 {
 207         if (translate_len(length, value, unit)) {
 208                 if (unit == "\\height" || unit == "\\depth" ||
 209                     unit == "\\totalheight" || unit == "\\width") {
 210                         special = unit.substr(1);
 211                         // The unit is not used, but LyX requires a dummy setting
 212                         unit = "in";
 213                 } else
 214                         special = "none";
 215         } else {
 216                 value.clear();
 217                 unit = length;
 218                 special = "none";
 219         }
 220 }
 221
 222
 223 void begin_inset(ostream & os, string const & name)
 224 {
 225         os << "\n\\begin_inset " << name;
 226 }
 227
 228
 229 void end_inset(ostream & os)
 230 {
 231         os << "\n\\end_inset \n\n";
 232 }
 233
 234
 235 void skip_braces(Parser & p)
 236 {
 237         if (p.next_token().cat() != catBegin)
 238                 return;
 239         p.get_token();
 240         if (p.next_token().cat() == catEnd) {
 241                 p.get_token();
 242                 return;
 243         }
 244         p.putback();
 245 }
 246
 247
 248 void handle_ert(ostream & os, string const & s, Context & context, bool check_layout = true)
 249 {
 250         if (check_layout) {
 251                 // We must have a valid layout before outputting the ERT inset.
 252                 context.check_layout(os);
 253         }
 254         Context newcontext(true, context.textclass);
 255         begin_inset(os, "ERT");
 256         os << "\nstatus Collapsed\n";
 257         newcontext.check_layout(os);
 258         for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
 259                 if (*it == '\\')
 260                         os << "\n\\backslash \n";
 261                 else
 262                         os << *it;
 263         }
 264         newcontext.check_end_layout(os);
 265         end_inset(os);
 266 }
 267
 268
 269 void handle_comment(ostream & os, string const & s, Context & context)
 270 {
 271         // TODO: Handle this better
 272         Context newcontext(true, context.textclass);
 273         begin_inset(os, "ERT");
 274         os << "\nstatus Collapsed\n";
 275         newcontext.check_layout(os);
 276         for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
 277                 if (*it == '\\')
 278                         os << "\n\\backslash \n";
 279                 else
 280                         os << *it;
 281         }
 282         // make sure that our comment is the last thing on the line
 283         os << "\n\\newline";
 284         newcontext.check_end_layout(os);
 285         end_inset(os);
 286 }
 287
 288
 289 struct isLayout {
 290         isLayout(string const name) : name_(name) {}
 291         bool operator()(LyXLayout_ptr const & ptr) {
 292                 return ptr.get() && ptr->latexname() == name_;
 293         }
 294 private:
 295         string const name_;
 296 };
 297
 298
 299 LyXLayout_ptr findLayout(LyXTextClass const & textclass,
 300                          string const & name)
 301 {
 302         LyXTextClass::const_iterator it  = textclass.begin();
 303         LyXTextClass::const_iterator end = textclass.end();
 304         it = std::find_if(it, end, isLayout(name));
 305         return (it == end) ? LyXLayout_ptr() : *it;
 306 }
 307
 308
 309 void output_command_layout(ostream & os, Parser & p, bool outer,
 310                            Context & parent_context,
 311                            LyXLayout_ptr newlayout)
 312 {
 313         parent_context.check_end_layout(os);
 314         Context context(true, parent_context.textclass, newlayout,
 315                         parent_context.layout);
 316         context.check_deeper(os);
 317         context.check_layout(os);
 318         if (context.layout->optionalargs > 0) {
 319                 p.skip_spaces();
 320                 if (p.next_token().character() == '[') {
 321                         p.get_token(); // eat '['
 322                         begin_inset(os, "OptArg\n");
 323                         os << "status collapsed\n\n";
 324                         parse_text_in_inset(p, os, FLAG_BRACK_LAST, outer, context);
 325                         end_inset(os);
 326                 }
 327         }
 328         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
 329         context.check_end_layout(os);
 330         context.check_end_deeper(os);
 331         // We don't need really a new paragraph, but
 332         // we must make sure that the next item gets a \begin_layout.
 333         parent_context.new_paragraph(os);
 334 }
 335
 336
 337 /*!
 338  * Output a space if necessary.
 339  * This function gets called for every whitespace token.
 340  *
 341  * We have three cases here:
 342  * 1. A space must be suppressed. Example: The lyxcode case below
 343  * 2. A space may be suppressed. Example: Spaces before "\par"
 344  * 3. A space must not be suppressed. Example: A space between two words
 345  *
 346  * We currently handle only 1. and 3 and from 2. only the case of
 347  * spaces before newlines as a side effect.
 348  *
 349  * 2. could be used to suppress as many spaces as possible. This has two effects:
 350  * - Reimporting LyX generated LaTeX files changes almost no whitespace
 351  * - Superflous whitespace from non LyX generated LaTeX files is removed.
 352  * The drawback is that the logic inside the function becomes
 353  * complicated, and that is the reason why it is not implemented.
 354  */
 355 void check_space(Parser const & p, ostream & os, Context & context)
 356 {
 357         Token const next = p.next_token();
 358         Token const curr = p.curr_token();
 359         // A space before a single newline and vice versa must be ignored
 360         // LyX emits a newline before \end{lyxcode}.
 361         // This newline must be ignored,
 362         // otherwise LyX will add an additional protected space.
 363         if (next.cat() == catSpace ||
 364             next.cat() == catNewline ||
 365             (next.cs() == "end" && context.layout->free_spacing && curr.cat() == catNewline)) {
 366                 return;
 367         }
 368         context.check_layout(os);
 369         os << ' ';
 370 }
 371
 372
 373 /*!
 374  * Check wether \param command is a known command. If yes,
 375  * handle the command with all arguments.
 376  * \return true if the command was parsed, false otherwise.
 377  */
 378 bool parse_command(string const & command, Parser & p, ostream & os,
 379                    bool outer, Context & context)
 380 {
 381         if (known_commands.find(command) != known_commands.end()) {
 382                 vector<ArgumentType> const & template_arguments = known_commands[command];
 383                 string ert = command;
 384                 size_t no_arguments = template_arguments.size();
 385                 for (size_t i = 0; i < no_arguments; ++i) {
 386                         switch (template_arguments[i]) {
 387                         case required:
 388                                 // This argument contains regular LaTeX
 389                                 handle_ert(os, ert + '{', context);
 390                                 parse_text(p, os, FLAG_ITEM, outer, context);
 391                                 ert = "}";
 392                                 break;
 393                         case verbatim:
 394                                 // This argument may contain special characters
 395                                 ert += '{' + p.verbatim_item() + '}';
 396                                 break;
 397                         case optional:
 398                                 ert += p.getOpt();
 399                                 break;
 400                         }
 401                 }
 402                 handle_ert(os, ert, context);
 403                 return true;
 404         }
 405         return false;
 406 }
 407
 408
 409 /// Parses a minipage or parbox
 410 void parse_box(Parser & p, ostream & os, unsigned flags, bool outer,
 411                Context & parent_context, bool use_parbox)
 412 {
 413         string position;
 414         string inner_pos;
 415         string height_value = "0";
 416         string height_unit = "pt";
 417         string height_special = "none";
 418         string latex_height;
 419         if (p.next_token().asInput() == "[") {
 420                 position = p.getArg('[', ']');
 421                 if (position != "t" && position != "c" && position != "b") {
 422                         position = "c";
 423                         cerr << "invalid position for minipage/parbox" << endl;
 424                 }
 425                 if (p.next_token().asInput() == "[") {
 426                         latex_height = p.getArg('[', ']');
 427                         translate_box_len(latex_height, height_value, height_unit, height_special);
 428
 429                         if (p.next_token().asInput() == "[") {
 430                                 inner_pos = p.getArg('[', ']');
 431                                 if (inner_pos != "c" && inner_pos != "t" &&
 432                                     inner_pos != "b" && inner_pos != "s") {
 433                                         inner_pos = position;
 434                                         cerr << "invalid inner_pos for minipage/parbox"
 435                                              << endl;
 436                                 }
 437                         }
 438                 }
 439         }
 440         string width_value;
 441         string width_unit;
 442         string const latex_width = p.verbatim_item();
 443         translate_len(latex_width, width_value, width_unit);
 444         if (contains(width_unit, "\\") || contains(height_unit, "\\")) {
 445                 // LyX can't handle length variables
 446                 ostringstream ss;
 447                 if (use_parbox)
 448                         ss << "\\parbox";
 449                 else
 450                         ss << "\\begin{minipage}";
 451                 if (!position.empty())
 452                         ss << '[' << position << ']';
 453                 if (!latex_height.empty())
 454                         ss << '[' << latex_height << ']';
 455                 if (!inner_pos.empty())
 456                         ss << '[' << inner_pos << ']';
 457                 ss << "{" << latex_width << "}";
 458                 if (use_parbox)
 459                         ss << '{';
 460                 handle_ert(os, ss.str(), parent_context);
 461                 parent_context.new_paragraph(os);
 462                 parse_text_in_inset(p, os, flags, outer, parent_context);
 463                 if (use_parbox)
 464                         handle_ert(os, "}", parent_context);
 465                 else
 466                         handle_ert(os, "\\end{minipage}", parent_context);
 467         } else {
 468                 // LyX does not like empty positions, so we have
 469                 // to set them to the LaTeX default values here.
 470                 if (position.empty())
 471                         position = "c";
 472                 if (inner_pos.empty())
 473                         inner_pos = position;
 474                 parent_context.check_layout(os);
 475                 begin_inset(os, "Box Frameless\n");
 476                 os << "position \"" << position << "\"\n";
 477                 os << "hor_pos \"c\"\n";
 478                 os << "has_inner_box 1\n";
 479                 os << "inner_pos \"" << inner_pos << "\"\n";
 480                 os << "use_parbox " << use_parbox << "\n";
 481                 os << "width \"" << width_value << width_unit << "\"\n";
 482                 os << "special \"none\"\n";
 483                 os << "height \"" << height_value << height_unit << "\"\n";
 484                 os << "height_special \"" << height_special << "\"\n";
 485                 os << "status open\n\n";
 486                 parse_text_in_inset(p, os, flags, outer, parent_context);
 487                 end_inset(os);
 488 #ifdef PRESERVE_LAYOUT
 489                 // lyx puts a % after the end of the minipage
 490                 if (p.next_token().cat() == catNewline && p.next_token().cs().size() > 1) {
 491                         // new paragraph
 492                         //handle_comment(os, "%dummy", parent_context);
 493                         p.get_token();
 494                         p.skip_spaces();
 495                         parent_context.new_paragraph(os);
 496                 }
 497                 else if (p.next_token().cat() == catSpace || p.next_token().cat() == catNewline) {
 498                         //handle_comment(os, "%dummy", parent_context);
 499                         p.get_token();
 500                         p.skip_spaces();
 501                         // We add a protected space if something real follows
 502                         if (p.good() && p.next_token().cat() != catComment) {
 503                                 os << "\\InsetSpace ~\n";
 504                         }
 505                 }
 506 #endif
 507         }
 508 }
 509
 510
 511 void parse_environment(Parser & p, ostream & os, bool outer,
 512                        Context & parent_context)
 513 {
 514         LyXLayout_ptr newlayout;
 515         string const name = p.getArg('{', '}');
 516         const bool is_starred = suffixIs(name, '*');
 517         string const unstarred_name = rtrim(name, "*");
 518         active_environments.push_back(name);
 519         p.skip_spaces();
 520
 521         if (is_math_env(name)) {
 522                 parent_context.check_layout(os);
 523                 begin_inset(os, "Formula ");
 524                 os << "\\begin{" << name << "}";
 525                 parse_math(p, os, FLAG_END, MATH_MODE);
 526                 os << "\\end{" << name << "}";
 527                 end_inset(os);
 528         }
 529
 530         else if (name == "tabular") {
 531                 parent_context.check_layout(os);
 532                 begin_inset(os, "Tabular ");
 533                 handle_tabular(p, os, parent_context);
 534                 end_inset(os);
 535         }
 536
 537         else if (parent_context.textclass.floats().typeExist(unstarred_name)) {
 538                 parent_context.check_layout(os);
 539                 begin_inset(os, "Float " + unstarred_name + "\n");
 540                 if (p.next_token().asInput() == "[") {
 541                         os << "placement " << p.getArg('[', ']') << '\n';
 542                 }
 543                 os << "wide " << tostr(is_starred)
 544                    << "\nstatus open\n\n";
 545                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
 546                 end_inset(os);
 547                 // We don't need really a new paragraph, but
 548                 // we must make sure that the next item gets a \begin_layout.
 549                 parent_context.new_paragraph(os);
 550         }
 551
 552         else if (name == "minipage")
 553                 parse_box(p, os, FLAG_END, outer, parent_context, false);
 554
 555         // Alignment settings
 556         else if (name == "center" || name == "flushleft" || name == "flushright" ||
 557                  name == "centering" || name == "raggedright" || name == "raggedleft") {
 558                 // We must begin a new paragraph if not already done
 559                 if (! parent_context.atParagraphStart()) {
 560                         parent_context.check_end_layout(os);
 561                         parent_context.new_paragraph(os);
 562                 }
 563                 if (name == "flushleft" || name == "raggedright")
 564                         parent_context.add_extra_stuff("\\align left ");
 565                 else if (name == "flushright" || name == "raggedleft")
 566                         parent_context.add_extra_stuff("\\align right ");
 567                 else
 568                         parent_context.add_extra_stuff("\\align center ");
 569                 parse_text(p, os, FLAG_END, outer, parent_context);
 570                 // Just in case the environment is empty ..
 571                 parent_context.extra_stuff.erase();
 572                 // We must begin a new paragraph to reset the alignment
 573                 parent_context.new_paragraph(os);
 574         }
 575
 576         // The single '=' is meant here.
 577         else if ((newlayout = findLayout(parent_context.textclass, name)).get() &&
 578                    newlayout->isEnvironment()) {
 579                 Context context(true, parent_context.textclass, newlayout,
 580                                 parent_context.layout);
 581                 parent_context.check_end_layout(os);
 582                 switch (context.layout->latextype) {
 583                 case  LATEX_LIST_ENVIRONMENT:
 584                         context.extra_stuff = "\\labelwidthstring "
 585                                 + p.verbatim_item() + '\n';
 586                         p.skip_spaces();
 587                         break;
 588                 case  LATEX_BIB_ENVIRONMENT:
 589                         p.verbatim_item(); // swallow next arg
 590                         p.skip_spaces();
 591                         break;
 592                 default:
 593                         break;
 594                 }
 595                 context.check_deeper(os);
 596                 parse_text(p, os, FLAG_END, outer, context);
 597                 context.check_end_layout(os);
 598                 context.check_end_deeper(os);
 599                 parent_context.new_paragraph(os);
 600         }
 601
 602         else if (name == "appendix") {
 603                 // This is no good latex style, but it works and is used in some documents...
 604                 parent_context.check_end_layout(os);
 605                 Context context(true, parent_context.textclass, parent_context.layout,
 606                                 parent_context.layout);
 607                 context.check_layout(os);
 608                 os << "\\start_of_appendix\n";
 609                 parse_text(p, os, FLAG_END, outer, context);
 610                 context.check_end_layout(os);
 611         }
 612
 613         else if (name == "comment") {
 614                 parent_context.check_layout(os);
 615                 begin_inset(os, "Note Comment\n");
 616                 os << "status open\n";
 617                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
 618                 end_inset(os);
 619         }
 620
 621         else if (name == "lyxgreyedout") {
 622                 parent_context.check_layout(os);
 623                 begin_inset(os, "Note Greyedout\n");
 624                 os << "status open\n";
 625                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
 626                 end_inset(os);
 627         }
 628
 629         else if (name == "tabbing") {
 630                 // We need to remember that we have to handle '\=' specially
 631                 handle_ert(os, "\\begin{" + name + "}", parent_context);
 632                 parse_text_snippet(p, os, FLAG_END | FLAG_TABBING, outer, parent_context);
 633                 handle_ert(os, "\\end{" + name + "}", parent_context);
 634         }
 635
 636         else {
 637                 handle_ert(os, "\\begin{" + name + "}", parent_context);
 638                 parse_text_snippet(p, os, FLAG_END, outer, parent_context);
 639                 handle_ert(os, "\\end{" + name + "}", parent_context);
 640         }
 641
 642         active_environments.pop_back();
 643         if (name != "math")
 644                 p.skip_spaces();
 645 }
 646
 647 } // anonymous namespace
 648
 649
 650
 651
 652 void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
 653                 Context & context)
 654 {
 655         LyXLayout_ptr newlayout;
 656         // Store the latest bibliographystyle (needed for bibtex inset)
 657         string bibliographystyle;
 658         while (p.good()) {
 659                 Token const & t = p.get_token();
 660
 661 #ifdef FILEDEBUG
 662                 cerr << "t: " << t << " flags: " << flags << "\n";
 663 #endif
 664
 665                 if (flags & FLAG_ITEM) {
 666                         if (t.cat() == catSpace)
 667                                 continue;
 668
 669                         flags &= ~FLAG_ITEM;
 670                         if (t.cat() == catBegin) {
 671                                 // skip the brace and collect everything to the next matching
 672                                 // closing brace
 673                                 flags |= FLAG_BRACE_LAST;
 674                                 continue;
 675                         }
 676
 677                         // handle only this single token, leave the loop if done
 678                         flags |= FLAG_LEAVE;
 679                 }
 680
 681                 if (t.character() == ']' && (flags & FLAG_BRACK_LAST))
 682                         return;
 683
 684                 //
 685                 // cat codes
 686                 //
 687                 if (t.cat() == catMath) {
 688                         // we are inside some text mode thingy, so opening new math is allowed
 689                         context.check_layout(os);
 690                         begin_inset(os, "Formula ");
 691                         Token const & n = p.get_token();
 692                         if (n.cat() == catMath && outer) {
 693                                 // TeX's $$...$$ syntax for displayed math
 694                                 os << "\\[";
 695                                 parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
 696                                 os << "\\]";
 697                                 p.get_token(); // skip the second '$' token
 698                         } else {
 699                                 // simple $...$  stuff
 700                                 p.putback();
 701                                 os << '$';
 702                                 parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
 703                                 os << '$';
 704                         }
 705                         end_inset(os);
 706                 }
 707
 708                 else if (t.cat() == catSuper || t.cat() == catSub)
 709                         cerr << "catcode " << t << " illegal in text mode\n";
 710
 711                 // Basic support for english quotes. This should be
 712                 // extended to other quotes, but is not so easy (a
 713                 // left english quote is the same as a right german
 714                 // quote...)
 715                 else if (t.asInput() == "`"
 716                          && p.next_token().asInput() == "`") {
 717                         context.check_layout(os);
 718                         begin_inset(os, "Quotes ");
 719                         os << "eld";
 720                         end_inset(os);
 721                         p.get_token();
 722                         skip_braces(p);
 723                 }
 724                 else if (t.asInput() == "'"
 725                          && p.next_token().asInput() == "'") {
 726                         context.check_layout(os);
 727                         begin_inset(os, "Quotes ");
 728                         os << "erd";
 729                         end_inset(os);
 730                         p.get_token();
 731                         skip_braces(p);
 732                 }
 733
 734                 else if (t.cat() == catSpace || (t.cat() == catNewline && t.cs().size() == 1))
 735                         check_space(p, os, context);
 736
 737                 else if (t.cat() == catLetter ||
 738                                t.cat() == catOther ||
 739                                t.cat() == catAlign ||
 740                                t.cat() == catParameter) {
 741                         context.check_layout(os);
 742                         os << t.character();
 743                 }
 744
 745                 else if (t.cat() == catNewline || (t.cat() == catEscape && t.cs() == "par")) {
 746                         p.skip_spaces();
 747                         context.new_paragraph(os);
 748                 }
 749
 750                 else if (t.cat() == catActive) {
 751                         context.check_layout(os);
 752                         if (t.character() == '~') {
 753                                 if (context.layout->free_spacing)
 754                                         os << ' ';
 755                                 else
 756                                         os << "\\InsetSpace ~\n";
 757                         } else
 758                                 os << t.character();
 759                 }
 760
 761                 else if (t.cat() == catBegin) {
 762                         // special handling of size changes
 763                         context.check_layout(os);
 764                         bool const is_size = is_known(p.next_token().cs(), known_sizes);
 765                         Token const prev = p.prev_token();
 766                         string const s = parse_text(p, FLAG_BRACE_LAST, outer, context);
 767                         if (s.empty() && (p.next_token().character() == '`' ||
 768                                           (prev.character() == '-' && p.next_token().character())))
 769                                 ; // ignore it in {}`` or -{}-
 770                         else if (is_size || s == "[" || s == "]" || s == "*")
 771                                 os << s;
 772                         else {
 773                                 handle_ert(os, "{", context, false);
 774                                 // s will end the current layout and begin a new one if necessary
 775                                 os << s;
 776                                 handle_ert(os, "}", context);
 777                         }
 778                 }
 779
 780                 else if (t.cat() == catEnd) {
 781                         if (flags & FLAG_BRACE_LAST) {
 782                                 return;
 783                         }
 784                         cerr << "stray '}' in text\n";
 785                         handle_ert(os, "}", context);
 786                 }
 787
 788                 else if (t.cat() == catComment) {
 789                         context.check_layout(os);
 790                         if (!t.cs().empty()) {
 791                                 handle_comment(os, '%' + t.cs(), context);
 792                                 if (p.next_token().cat() == catNewline) {
 793                                         // A newline after a comment line starts a new paragraph
 794                                         context.new_paragraph(os);
 795                                         p.skip_spaces();
 796                                 }
 797                         } else {
 798                                 // "%\n" combination
 799                                 p.skip_spaces();
 800                         }
 801                 }
 802
 803                 //
 804                 // control sequences
 805                 //
 806
 807                 else if (t.cs() == "(") {
 808                         context.check_layout(os);
 809                         begin_inset(os, "Formula");
 810                         os << " \\(";
 811                         parse_math(p, os, FLAG_SIMPLE2, MATH_MODE);
 812                         os << "\\)";
 813                         end_inset(os);
 814                 }
 815
 816                 else if (t.cs() == "[") {
 817                         context.check_layout(os);
 818                         begin_inset(os, "Formula");
 819                         os << " \\[";
 820                         parse_math(p, os, FLAG_EQUATION, MATH_MODE);
 821                         os << "\\]";
 822                         end_inset(os);
 823                 }
 824
 825                 else if (t.cs() == "begin")
 826                         parse_environment(p, os, outer, context);
 827
 828                 else if (t.cs() == "end") {
 829                         if (flags & FLAG_END) {
 830                                 // eat environment name
 831                                 string const name = p.getArg('{', '}');
 832                                 if (name != active_environment())
 833                                         cerr << "\\end{" + name + "} does not match \\begin{"
 834                                                 + active_environment() + "}\n";
 835                                 return;
 836                         }
 837                         p.error("found 'end' unexpectedly");
 838                 }
 839
 840                 else if (t.cs() == "item") {
 841                         p.skip_spaces();
 842                         string s;
 843                         bool optarg = false;
 844                         if (p.next_token().character() == '[') {
 845                                 p.get_token(); // eat '['
 846                                 Context newcontext(false, context.textclass);
 847                                 s = parse_text(p, FLAG_BRACK_LAST, outer, newcontext);
 848                                 optarg = true;
 849                         }
 850                         context.set_item();
 851                         context.check_layout(os);
 852                         if (optarg) {
 853                                 if (context.layout->labeltype != LABEL_MANUAL) {
 854                                         // lyx does not support \item[\mybullet] in itemize environments
 855                                         handle_ert(os, "[", context);
 856                                         os << s;
 857                                         handle_ert(os, "]", context);
 858                                 } else if (!s.empty()) {
 859                                         // The space is needed to separate the item from the rest of the sentence.
 860                                         os << s << ' ';
 861                                         p.skip_spaces();
 862                                 }
 863                         }
 864                 }
 865
 866                 else if (t.cs() == "bibitem") {
 867                         context.set_item();
 868                         context.check_layout(os);
 869                         os << "\\bibitem ";
 870                         os << p.getOpt();
 871                         os << '{' << p.verbatim_item() << '}' << "\n";
 872                 }
 873
 874                 else if (t.cs() == "def") {
 875                         p.skip_spaces();
 876                         context.check_layout(os);
 877                         string name = p.get_token().cs();
 878                         while (p.next_token().cat() != catBegin)
 879                                 name += p.get_token().asString();
 880                         handle_ert(os, "\\def\\" + name + '{' + p.verbatim_item() + '}', context);
 881                 }
 882
 883                 else if (t.cs() == "noindent") {
 884                         p.skip_spaces();
 885                         context.add_extra_stuff("\\noindent ");
 886                 }
 887
 888                 else if (t.cs() == "appendix") {
 889                         p.skip_spaces();
 890                         context.add_extra_stuff("\\start_of_appendix ");
 891                 }
 892
 893                 // Must attempt to parse "Section*" before "Section".
 894                 else if ((p.next_token().asInput() == "*") &&
 895                          // The single '=' is meant here.
 896                          (newlayout = findLayout(context.textclass,
 897                                                  t.cs() + '*')).get() &&
 898                          newlayout->isCommand()) {
 899                         p.get_token();
 900                         output_command_layout(os, p, outer, context, newlayout);
 901                         p.skip_spaces();
 902                 }
 903
 904                 // The single '=' is meant here.
 905                 else if ((newlayout = findLayout(context.textclass, t.cs())).get() &&
 906                          newlayout->isCommand()) {
 907                         output_command_layout(os, p, outer, context, newlayout);
 908                         p.skip_spaces();
 909                 }
 910
 911                 else if (t.cs() == "includegraphics") {
 912                         map<string, string> opts = split_map(p.getArg('[', ']'));
 913                         string name = p.verbatim_item();
 914
 915                         context.check_layout(os);
 916                         begin_inset(os, "Graphics ");
 917                         os << "\n\tfilename " << name << '\n';
 918                         if (opts.find("width") != opts.end())
 919                                 os << "\twidth "
 920                                    << translate_len(opts["width"]) << '\n';
 921                         if (opts.find("height") != opts.end())
 922                                 os << "\theight "
 923                                    << translate_len(opts["height"]) << '\n';
 924                         if (opts.find("scale") != opts.end()) {
 925                                 istringstream iss(opts["scale"]);
 926                                 double val;
 927                                 iss >> val;
 928                                 val = val*100;
 929                                 os << "\tscale " << val << '\n';
 930                         }
 931                         if (opts.find("angle") != opts.end())
 932                                 os << "\trotateAngle "
 933                                    << opts["angle"] << '\n';
 934                         if (opts.find("origin") != opts.end()) {
 935                                 ostringstream ss;
 936                                 string const opt = opts["origin"];
 937                                 if (opt.find('l') != string::npos) ss << "left";
 938                                 if (opt.find('r') != string::npos) ss << "right";
 939                                 if (opt.find('c') != string::npos) ss << "center";
 940                                 if (opt.find('t') != string::npos) ss << "Top";
 941                                 if (opt.find('b') != string::npos) ss << "Bottom";
 942                                 if (opt.find('B') != string::npos) ss << "Baseline";
 943                                 if (!ss.str().empty())
 944                                         os << "\trotateOrigin " << ss.str() << '\n';
 945                                 else
 946                                         cerr << "Warning: Ignoring unknown includegraphics origin argument '" << opt << "'\n";
 947                         }
 948                         if (opts.find("keepaspectratio") != opts.end())
 949                                 os << "\tkeepAspectRatio\n";
 950                         if (opts.find("clip") != opts.end())
 951                                 os << "\tclip\n";
 952                         if (opts.find("draft") != opts.end())
 953                                 os << "\tdraft\n";
 954                         if (opts.find("bb") != opts.end())
 955                                 os << "\tBoundingBox "
 956                                    << opts["bb"] << '\n';
 957                         int numberOfbbOptions = 0;
 958                         if (opts.find("bbllx") != opts.end())
 959                                 numberOfbbOptions++;
 960                         if (opts.find("bblly") != opts.end())
 961                                 numberOfbbOptions++;
 962                         if (opts.find("bburx") != opts.end())
 963                                 numberOfbbOptions++;
 964                         if (opts.find("bbury") != opts.end())
 965                                 numberOfbbOptions++;
 966                         if (numberOfbbOptions == 4)
 967                                 os << "\tBoundingBox "
 968                                    << opts["bbllx"] << opts["bblly"]
 969                                    << opts["bburx"] << opts["bbury"] << '\n';
 970                         else if (numberOfbbOptions > 0)
 971                                 cerr << "Warning: Ignoring incomplete includegraphics boundingbox arguments.\n";
 972                         numberOfbbOptions = 0;
 973                         if (opts.find("natwidth") != opts.end())
 974                                 numberOfbbOptions++;
 975                         if (opts.find("natheight") != opts.end())
 976                                 numberOfbbOptions++;
 977                         if (numberOfbbOptions == 2)
 978                                 os << "\tBoundingBox 0bp 0bp "
 979                                    << opts["natwidth"] << opts["natheight"] << '\n';
 980                         else if (numberOfbbOptions > 0)
 981                                 cerr << "Warning: Ignoring incomplete includegraphics boundingbox arguments.\n";
 982                         ostringstream special;
 983                         if (opts.find("hiresbb") != opts.end())
 984                                 special << "hiresbb,";
 985                         if (opts.find("trim") != opts.end())
 986                                 special << "trim,";
 987                         if (opts.find("viewport") != opts.end())
 988                                 special << "viewport=" << opts["viewport"] << ',';
 989                         if (opts.find("totalheight") != opts.end())
 990                                 special << "totalheight=" << opts["totalheight"] << ',';
 991                         if (opts.find("type") != opts.end())
 992                                 special << "type=" << opts["type"] << ',';
 993                         if (opts.find("ext") != opts.end())
 994                                 special << "ext=" << opts["ext"] << ',';
 995                         if (opts.find("read") != opts.end())
 996                                 special << "read=" << opts["read"] << ',';
 997                         if (opts.find("command") != opts.end())
 998                                 special << "command=" << opts["command"] << ',';
 999                         string s_special = special.str();
1000                         if (!s_special.empty()) {
1001                                 // We had special arguments. Remove the trailing ','.
1002                                 os << "\tspecial " << s_special.substr(0, s_special.size() - 1) << '\n';
1003                         }
1004                         // TODO: Handle the unknown settings better.
1005                         // Warn about invalid options.
1006                         // Check wether some option was given twice.
1007                         end_inset(os);
1008                 }
1009
1010                 else if (t.cs() == "footnote") {
1011                         p.skip_spaces();
1012                         context.check_layout(os);
1013                         begin_inset(os, "Foot\n");
1014                         os << "status collapsed\n\n";
1015                         parse_text_in_inset(p, os, FLAG_ITEM, false, context);
1016                         end_inset(os);
1017                 }
1018
1019                 else if (t.cs() == "marginpar") {
1020                         p.skip_spaces();
1021                         context.check_layout(os);
1022                         begin_inset(os, "Marginal\n");
1023                         os << "status collapsed\n\n";
1024                         parse_text_in_inset(p, os, FLAG_ITEM, false, context);
1025                         end_inset(os);
1026                 }
1027
1028                 else if (t.cs() == "ensuremath") {
1029                         p.skip_spaces();
1030                         context.check_layout(os);
1031                         Context newcontext(false, context.textclass);
1032                         string s = parse_text(p, FLAG_ITEM, false, newcontext);
1033                         if (s == "±" || s == "³" || s == "²" || s == "µ")
1034                                 os << s;
1035                         else
1036                                 handle_ert(os, "\\ensuremath{" + s + "}",
1037                                            context);
1038                 }
1039
1040                 else if (t.cs() == "hfill") {
1041                         context.check_layout(os);
1042                         os << "\n\\hfill\n";
1043                         skip_braces(p);
1044                         p.skip_spaces();
1045                 }
1046
1047                 else if (t.cs() == "makeindex" || t.cs() == "maketitle") {
1048                         p.skip_spaces();
1049                         skip_braces(p); // swallow this
1050                 }
1051
1052                 else if (t.cs() == "tableofcontents") {
1053                         p.skip_spaces();
1054                         context.check_layout(os);
1055                         begin_inset(os, "LatexCommand \\tableofcontents\n");
1056                         end_inset(os);
1057                         skip_braces(p); // swallow this
1058                 }
1059
1060                 else if (t.cs() == "listoffigures") {
1061                         p.skip_spaces();
1062                         context.check_layout(os);
1063                         begin_inset(os, "FloatList figure\n");
1064                         end_inset(os);
1065                         skip_braces(p); // swallow this
1066                 }
1067
1068                 else if (t.cs() == "listoftables") {
1069                         p.skip_spaces();
1070                         context.check_layout(os);
1071                         begin_inset(os, "FloatList table\n");
1072                         end_inset(os);
1073                         skip_braces(p); // swallow this
1074                 }
1075
1076                 else if (t.cs() == "listof") {
1077                         p.skip_spaces(true);
1078                         string const name = p.get_token().asString();
1079                         if (context.textclass.floats().typeExist(name)) {
1080                                 context.check_layout(os);
1081                                 begin_inset(os, "FloatList ");
1082                                 os << name << "\n";
1083                                 end_inset(os);
1084                                 p.get_token(); // swallow second arg
1085                         } else
1086                                 handle_ert(os, "\\listof{" + name + "}", context);
1087                 }
1088
1089                 else if (t.cs() == "textrm") {
1090                         context.check_layout(os);
1091                         os << "\n\\family roman \n";
1092                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1093                         os << "\n\\family default \n";
1094                 }
1095
1096                 else if (t.cs() == "textsf") {
1097                         context.check_layout(os);
1098                         os << "\n\\family sans \n";
1099                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1100                         os << "\n\\family default \n";
1101                 }
1102
1103                 else if (t.cs() == "textsl") {
1104                         context.check_layout(os);
1105                         os << "\n\\shape slanted \n";
1106                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1107                         os << "\n\\shape default \n";
1108                 }
1109
1110                 else if (t.cs() == "texttt") {
1111                         context.check_layout(os);
1112                         os << "\n\\family typewriter \n";
1113                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1114                         os << "\n\\family default \n";
1115                 }
1116
1117                 else if (t.cs() == "textit") {
1118                         context.check_layout(os);
1119                         os << "\n\\shape italic \n";
1120                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1121                         os << "\n\\shape default \n";
1122                 }
1123
1124                 else if (t.cs() == "textsc") {
1125                         context.check_layout(os);
1126                         os << "\n\\noun on \n";
1127                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1128                         os << "\n\\noun default \n";
1129                 }
1130
1131                 else if (t.cs() == "textbf") {
1132                         context.check_layout(os);
1133                         os << "\n\\series bold \n";
1134                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1135                         os << "\n\\series default \n";
1136                 }
1137
1138                 else if (t.cs() == "underbar") {
1139                         context.check_layout(os);
1140                         os << "\n\\bar under \n";
1141                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1142                         os << "\n\\bar default \n";
1143                 }
1144
1145                 else if (t.cs() == "emph" || t.cs() == "noun") {
1146                         context.check_layout(os);
1147                         os << "\n\\" << t.cs() << " on \n";
1148                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1149                         os << "\n\\" << t.cs() << " default \n";
1150                 }
1151
1152                 else if (is_known(t.cs(), known_latex_commands)) {
1153                         context.check_layout(os);
1154                         begin_inset(os, "LatexCommand ");
1155                         os << '\\' << t.cs();
1156                         os << p.getOpt();
1157                         os << p.getOpt();
1158                         os << '{' << p.verbatim_item() << "}\n";
1159                         end_inset(os);
1160                 }
1161
1162                 else if (is_known(t.cs(), known_quotes)) {
1163                         char const ** where = is_known(t.cs(), known_quotes);
1164                         context.check_layout(os);
1165                         begin_inset(os, "Quotes ");
1166                         os << known_coded_quotes[where - known_quotes];
1167                         end_inset(os);
1168                         skip_braces(p);
1169                 }
1170
1171                 else if (is_known(t.cs(), known_sizes)) {
1172                         char const ** where = is_known(t.cs(), known_sizes);
1173                         context.check_layout(os);
1174                         os << "\n\\size " << known_coded_sizes[where - known_sizes] << "\n";
1175                         p.skip_spaces();
1176                 }
1177
1178                 else if (t.cs() == "LyX" || t.cs() == "TeX"
1179                          || t.cs() == "LaTeX") {
1180                         context.check_layout(os);
1181                         os << t.cs();
1182                         skip_braces(p); // eat {}
1183                 }
1184
1185                 else if (t.cs() == "LaTeXe") {
1186                         context.check_layout(os);
1187                         os << "LaTeX2e";
1188                         skip_braces(p); // eat {}
1189                 }
1190
1191                 else if (t.cs() == "ldots") {
1192                         context.check_layout(os);
1193                         skip_braces(p);
1194                         os << "\\SpecialChar \\ldots{}\n";
1195                 }
1196
1197                 else if (t.cs() == "lyxarrow") {
1198                         context.check_layout(os);
1199                         os << "\\SpecialChar \\menuseparator\n";
1200                         skip_braces(p);
1201                 }
1202
1203                 else if (t.cs() == "textcompwordmark") {
1204                         context.check_layout(os);
1205                         os << "\\SpecialChar \\textcompwordmark{}\n";
1206                         skip_braces(p);
1207                 }
1208
1209                 else if (t.cs() == "@" && p.next_token().asInput() == ".") {
1210                         context.check_layout(os);
1211                         os << "\\SpecialChar \\@.\n";
1212                         p.get_token();
1213                 }
1214
1215                 else if (t.cs() == "-") {
1216                         context.check_layout(os);
1217                         os << "\\SpecialChar \\-\n";
1218                 }
1219
1220                 else if (t.cs() == "textasciitilde") {
1221                         context.check_layout(os);
1222                         os << '~';
1223                         skip_braces(p);
1224                 }
1225
1226                 else if (t.cs() == "textasciicircum") {
1227                         context.check_layout(os);
1228                         os << '^';
1229                         skip_braces(p);
1230                 }
1231
1232                 else if (t.cs() == "textbackslash") {
1233                         context.check_layout(os);
1234                         os << "\n\\backslash \n";
1235                         skip_braces(p);
1236                 }
1237
1238                 else if (t.cs() == "_" || t.cs() == "&" || t.cs() == "#"
1239                             || t.cs() == "$" || t.cs() == "{" || t.cs() == "}"
1240                             || t.cs() == "%") {
1241                         context.check_layout(os);
1242                         os << t.cs();
1243                 }
1244
1245                 else if (t.cs() == "char") {
1246                         context.check_layout(os);
1247                         if (p.next_token().character() == '`') {
1248                                 p.get_token();
1249                                 if (p.next_token().cs() == "\"") {
1250                                         p.get_token();
1251                                         os << '"';
1252                                         skip_braces(p);
1253                                 } else {
1254                                         handle_ert(os, "\\char`", context);
1255                                 }
1256                         } else {
1257                                 handle_ert(os, "\\char", context);
1258                         }
1259                 }
1260
1261                 else if (t.cs() == "\"") {
1262                         context.check_layout(os);
1263                         string const name = p.verbatim_item();
1264                              if (name == "a") os << 'ä';
1265                         else if (name == "o") os << 'ö';
1266                         else if (name == "u") os << 'ü';
1267                         else if (name == "A") os << 'Ä';
1268                         else if (name == "O") os << 'Ö';
1269                         else if (name == "U") os << 'Ü';
1270                         else handle_ert(os, "\"{" + name + "}", context);
1271                 }
1272
1273                 // Problem: \= creates a tabstop inside the tabbing environment
1274                 // and else an accent. In the latter case we really would want
1275                 // \={o} instead of \= o.
1276                 else if (t.cs() == "=" && (flags & FLAG_TABBING))
1277                         handle_ert(os, t.asInput(), context);
1278
1279                 else if (t.cs() == "H" || t.cs() == "c" || t.cs() == "^" || t.cs() == "'"
1280                       || t.cs() == "~" || t.cs() == "." || t.cs() == "=") {
1281                         // we need the trim as the LyX parser chokes on such spaces
1282                         context.check_layout(os);
1283                         os << "\n\\i \\" << t.cs() << "{"
1284                            << trim(parse_text(p, FLAG_ITEM, outer, context), " ") << "}\n";
1285                 }
1286
1287                 else if (t.cs() == "ss") {
1288                         context.check_layout(os);
1289                         os << "ß";
1290                 }
1291
1292                 else if (t.cs() == "i" || t.cs() == "j") {
1293                         context.check_layout(os);
1294                         os << "\\" << t.cs() << ' ';
1295                 }
1296
1297                 else if (t.cs() == "\\") {
1298                         context.check_layout(os);
1299                         string const next = p.next_token().asInput();
1300                         if (next == "[")
1301                                 handle_ert(os, "\\\\" + p.getOpt(), context);
1302                         else if (next == "*") {
1303                                 p.get_token();
1304                                 handle_ert(os, "\\\\*" + p.getOpt(), context);
1305                         }
1306                         else {
1307                                 os << "\n\\newline \n";
1308                         }
1309                 }
1310
1311                 else if (t.cs() == "input" || t.cs() == "include"
1312                          || t.cs() == "verbatiminput") {
1313                         string name = '\\' + t.cs();
1314                         if (t.cs() == "verbatiminput"
1315                             && p.next_token().asInput() == "*")
1316                                 name += p.get_token().asInput();
1317                         context.check_layout(os);
1318                         begin_inset(os, "Include ");
1319                         string filename(p.getArg('{', '}'));
1320                         string lyxname(lyx::support::ChangeExtension(filename, ".lyx"));
1321                         if (tex2lyx(filename, lyxname)) {
1322                                 os << name << '{' << lyxname << "}\n";
1323                         } else {
1324                                 os << name << '{' << filename << "}\n";
1325                         }
1326                         os << "preview false\n";
1327                         end_inset(os);
1328                 }
1329
1330                 else if (t.cs() == "fancyhead") {
1331                         context.check_layout(os);
1332                         ostringstream ss;
1333                         ss << "\\fancyhead";
1334                         ss << p.getOpt();
1335                         ss << '{' << p.verbatim_item() << "}\n";
1336                         handle_ert(os, ss.str(), context);
1337                 }
1338
1339                 else if (t.cs() == "bibliographystyle") {
1340                         // store new bibliographystyle
1341                         bibliographystyle = p.verbatim_item();
1342                         // output new bibliographystyle.
1343                         // This is only necessary if used in some other macro than \bibliography.
1344                         handle_ert(os, "\\bibliographystyle{" + bibliographystyle + "}", context);
1345                 }
1346
1347                 else if (t.cs() == "bibliography") {
1348                         context.check_layout(os);
1349                         begin_inset(os, "LatexCommand ");
1350                         os << "\\bibtex";
1351                         // Do we have a bibliographystyle set?
1352                         if (!bibliographystyle.empty()) {
1353                                 os << '[' << bibliographystyle << ']';
1354                         }
1355                         os << '{' << p.verbatim_item() << "}\n";
1356                         end_inset(os);
1357                 }
1358
1359                 else if (t.cs() == "parbox")
1360                         parse_box(p, os, FLAG_ITEM, outer, context, true);
1361
1362                 else if (t.cs() == "smallskip" ||
1363                          t.cs() == "medskip" ||
1364                          t.cs() == "bigskip" ||
1365                          t.cs() == "vfill") {
1366                         context.check_layout(os);
1367                         begin_inset(os, "VSpace ");
1368                         os << t.cs();
1369                         end_inset(os);
1370                 }
1371
1372                 else if (t.cs() == "vspace") {
1373                         bool starred = false;
1374                         if (p.next_token().asInput() == "*") {
1375                                 p.get_token();
1376                                 starred = true;
1377                         }
1378                         string const length = p.verbatim_item();
1379                         string unit;
1380                         string valstring;
1381                         bool valid = splitLatexLength(length, valstring, unit);
1382                         bool known_vspace = false;
1383                         bool known_unit = false;
1384                         double value;
1385                         if (valid) {
1386                                 istringstream iss(valstring);
1387                                 iss >> value;
1388                                 if (value == 1.0) {
1389                                         if (unit == "\\smallskipamount") {
1390                                                 unit = "smallskip";
1391                                                 known_vspace = true;
1392                                         } else if (unit == "\\medskipamount") {
1393                                                 unit = "medskip";
1394                                                 known_vspace = true;
1395                                         } else if (unit == "\\bigskipamount") {
1396                                                 unit = "bigskip";
1397                                                 known_vspace = true;
1398                                         } else if (unit == "\\fill") {
1399                                                 unit = "vfill";
1400                                                 known_vspace = true;
1401                                         }
1402                                 } else {
1403                                         switch (unitFromString(unit)) {
1404                                         case LyXLength::SP:
1405                                         case LyXLength::PT:
1406                                         case LyXLength::BP:
1407                                         case LyXLength::DD:
1408                                         case LyXLength::MM:
1409                                         case LyXLength::PC:
1410                                         case LyXLength::CC:
1411                                         case LyXLength::CM:
1412                                         case LyXLength::IN:
1413                                         case LyXLength::EX:
1414                                         case LyXLength::EM:
1415                                         case LyXLength::MU:
1416                                                 known_unit = true;
1417                                                 break;
1418                                         default:
1419                                                 break;
1420                                         }
1421                                 }
1422                         }
1423
1424                         if (known_unit || known_vspace) {
1425                                 // Literal length or known variable
1426                                 context.check_layout(os);
1427                                 begin_inset(os, "VSpace ");
1428                                 if (known_unit)
1429                                         os << value;
1430                                 os << unit;
1431                                 if (starred)
1432                                         os << '*';
1433                                 end_inset(os);
1434                         } else {
1435                                 // LyX can't handle other length variables in Inset VSpace
1436                                 string name = t.asInput();
1437                                 if (starred)
1438                                         name += '*';
1439                                 if (valid) {
1440                                         if (value == 1.0)
1441                                                 handle_ert(os, name + '{' + unit + '}', context);
1442                                         else if (value == -1.0)
1443                                                 handle_ert(os, name + "{-" + unit + '}', context);
1444                                         else
1445                                                 handle_ert(os, name + '{' + valstring + unit + '}', context);
1446                                 } else
1447                                         handle_ert(os, name + '{' + length + '}', context);
1448                         }
1449                 }
1450
1451                 else {
1452                         //cerr << "#: " << t << " mode: " << mode << endl;
1453                         // heuristic: read up to next non-nested space
1454                         /*
1455                         string s = t.asInput();
1456                         string z = p.verbatim_item();
1457                         while (p.good() && z != " " && z.size()) {
1458                                 //cerr << "read: " << z << endl;
1459                                 s += z;
1460                                 z = p.verbatim_item();
1461                         }
1462                         cerr << "found ERT: " << s << endl;
1463                         handle_ert(os, s + ' ', context);
1464                         */
1465                         string name = t.asInput();
1466                         if (p.next_token().asInput() == "*") {
1467                                 // Starred commands like \vspace*{}
1468                                 p.get_token();                          // Eat '*'
1469                                 name += '*';
1470                         }
1471                         if (! parse_command(name, p, os, outer, context))
1472                                 handle_ert(os, name, context);
1473                 }
1474
1475                 if (flags & FLAG_LEAVE) {
1476                         flags &= ~FLAG_LEAVE;
1477                         break;
1478                 }
1479         }
1480 }
1481
1482
1483 // }])