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 lyx::support::rtrim;
  30 using lyx::support::suffixIs;
  31 using lyx::support::contains;
  32 using lyx::support::subst;
  33
  34 using std::cerr;
  35 using std::endl;
  36
  37 using std::map;
  38 using std::ostream;
  39 using std::ostringstream;
  40 using std::istringstream;
  41 using std::string;
  42 using std::vector;
  43
  44
  45 // thin wrapper around parse_text using a string
  46 string parse_text(Parser & p, unsigned flags, const bool outer,
  47                   Context & context)
  48 {
  49         ostringstream os;
  50         parse_text(p, os, flags, outer, context);
  51         return os.str();
  52 }
  53
  54 // parses a subdocument, usually useful in insets (whence the name)
  55 void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
  56                 Context & context)
  57 {
  58         Context newcontext(true, context.textclass);
  59         parse_text(p, os, flags, outer, newcontext);
  60         newcontext.check_end_layout(os);
  61 }
  62
  63
  64 // parses a paragraph snippet, useful for example for \emph{...}
  65 void parse_text_snippet(Parser & p, ostream & os, unsigned flags, bool outer,
  66                 Context & context)
  67 {
  68         Context newcontext(false, context.textclass);
  69         parse_text(p, os, flags, outer, newcontext);
  70         // should not be needed
  71         newcontext.check_end_layout(os);
  72 }
  73
  74
  75 namespace {
  76
  77 char const * known_latex_commands[] = { "ref", "cite", "label", "index",
  78 "printindex", "pageref", "url", "vref", "vpageref", "prettyref", "eqref", 0 };
  79
  80 // LaTeX names for quotes
  81 char const * known_quotes[] = { "glqq", "grqq", "quotedblbase",
  82 "textquotedblleft", "quotesinglbase", "guilsinglleft", "guilsinglright", 0};
  83
  84 // the same as known_quotes with .lyx names
  85 char const * known_coded_quotes[] = { "gld", "grd", "gld",
  86 "grd", "gls", "fls", "frd", 0};
  87
  88 char const * known_sizes[] = { "tiny", "scriptsize", "footnotesize",
  89 "small", "normalsize", "large", "Large", "LARGE", "huge", "Huge", 0};
  90
  91 char const * known_coded_sizes[] = { "tiny", "scriptsize", "footnotesize",
  92 "small", "normal", "large", "larger", "largest",  "huge", "giant", 0};
  93
  94 // splits "x=z, y=b" into a map
  95 map<string, string> split_map(string const & s)
  96 {
  97         map<string, string> res;
  98         vector<string> v;
  99         split(s, v);
 100         for (size_t i = 0; i < v.size(); ++i) {
 101                 size_t const pos   = v[i].find('=');
 102                 string const index = v[i].substr(0, pos);
 103                 string const value = v[i].substr(pos + 1, string::npos);
 104                 res[trim(index)] = trim(value);
 105         }
 106         return res;
 107 }
 108
 109
 110 /*!
 111  * Split a LaTeX length into value and unit.
 112  * The latter can be a real unit like "pt", or a latex length variable
 113  * like "\textwidth". The unit may contain additional stuff like glue
 114  * lengths, but we don't care, because such lengths are ERT anyway.
 115  * \return true if \param value and \param unit are valid.
 116  */
 117 bool splitLatexLength(string const & len, string & value, string & unit)
 118 {
 119         if (len.empty())
 120                 return false;
 121         const string::size_type i = len.find_first_not_of(" -+0123456789.,");
 122         //'4,5' is a valid LaTeX length number. Change it to '4.5'
 123         string const length = subst(len, ',', '.');
 124         if (i == string::npos)
 125                 return false;
 126         if (i == 0) {
 127                 if (len[0] == '\\') {
 128                         // We had something like \textwidth without a factor
 129                         value = "1.0";
 130                 } else {
 131                         return false;
 132                 }
 133         } else {
 134                 value = trim(string(length, 0, i));
 135         }
 136         if (value == "-")
 137                 value = "-1.0";
 138         // 'cM' is a valid LaTeX length unit. Change it to 'cm'
 139         if (contains(len, '\\'))
 140                 unit = trim(string(len, i));
 141         else
 142                 unit = lyx::support::lowercase(trim(string(len, i)));
 143         return true;
 144 }
 145
 146
 147 // A simple function to translate a latex length to something lyx can
 148 // understand. Not perfect, but rather best-effort.
 149 bool translate_len(string const & length, string & valstring, string & unit)
 150 {
 151         if (!splitLatexLength(length, valstring, unit))
 152                 return false;
 153         // LyX uses percent values
 154         double value;
 155         istringstream iss(valstring);
 156         iss >> value;
 157         value *= 100;
 158         ostringstream oss;
 159         oss << value;
 160         string const percentval = oss.str();
 161         // a normal length
 162         if (unit.empty() || unit[0] != '\\')
 163                 return true;
 164         string::size_type const i = unit.find(' ');
 165         string const endlen = (i == string::npos) ? string() : string(unit, i);
 166         if (unit == "\\textwidth") {
 167                 valstring = percentval;
 168                 unit = "text%" + endlen;
 169         } else if (unit == "\\columnwidth") {
 170                 valstring = percentval;
 171                 unit = "col%" + endlen;
 172         } else if (unit == "\\paperwidth") {
 173                 valstring = percentval;
 174                 unit = "page%" + endlen;
 175         } else if (unit == "\\linewidth") {
 176                 valstring = percentval;
 177                 unit = "line%" + endlen;
 178         } else if (unit == "\\paperheight") {
 179                 valstring = percentval;
 180                 unit = "pheight%" + endlen;
 181         } else if (unit == "\\textheight") {
 182                 valstring = percentval;
 183                 unit = "theight%" + endlen;
 184         }
 185         return true;
 186 }
 187
 188
 189 string translate_len(string const & length)
 190 {
 191         string unit;
 192         string value;
 193         if (translate_len(length, value, unit))
 194                 return value + unit;
 195         // If the input is invalid, return what we have.
 196         return length;
 197 }
 198
 199
 200 /*!
 201  * Translates a LaTeX length into \param value, \param unit and
 202  * \param special parts suitable for a box inset.
 203  * The difference from translate_len() is that a box inset knows about
 204  * some special "units" that are stored in \param special.
 205  */
 206 void translate_box_len(string const & length, string & value, string & unit, string & special)
 207 {
 208         if (translate_len(length, value, unit)) {
 209                 if (unit == "\\height" || unit == "\\depth" ||
 210                     unit == "\\totalheight" || unit == "\\width") {
 211                         special = unit.substr(1);
 212                         // The unit is not used, but LyX requires a dummy setting
 213                         unit = "in";
 214                 } else
 215                         special = "none";
 216         } else {
 217                 value.clear();
 218                 unit = length;
 219                 special = "none";
 220         }
 221 }
 222
 223
 224 void begin_inset(ostream & os, string const & name)
 225 {
 226         os << "\n\\begin_inset " << name;
 227 }
 228
 229
 230 void end_inset(ostream & os)
 231 {
 232         os << "\n\\end_inset \n\n";
 233 }
 234
 235
 236 void skip_braces(Parser & p)
 237 {
 238         if (p.next_token().cat() != catBegin)
 239                 return;
 240         p.get_token();
 241         if (p.next_token().cat() == catEnd) {
 242                 p.get_token();
 243                 return;
 244         }
 245         p.putback();
 246 }
 247
 248
 249 void handle_ert(ostream & os, string const & s, Context & context, bool check_layout = true)
 250 {
 251         if (check_layout) {
 252                 // We must have a valid layout before outputting the ERT inset.
 253                 context.check_layout(os);
 254         }
 255         Context newcontext(true, context.textclass);
 256         begin_inset(os, "ERT");
 257         os << "\nstatus collapsed\n";
 258         newcontext.check_layout(os);
 259         for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
 260                 if (*it == '\\')
 261                         os << "\n\\backslash \n";
 262                 else if (*it == '\n')
 263                         os << "\n\\newline \n";
 264                 else
 265                         os << *it;
 266         }
 267         newcontext.check_end_layout(os);
 268         end_inset(os);
 269 }
 270
 271
 272 void handle_comment(ostream & os, string const & s, Context & context)
 273 {
 274         // TODO: Handle this better
 275         Context newcontext(true, context.textclass);
 276         begin_inset(os, "ERT");
 277         os << "\nstatus collapsed\n";
 278         newcontext.check_layout(os);
 279         for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
 280                 if (*it == '\\')
 281                         os << "\n\\backslash \n";
 282                 else
 283                         os << *it;
 284         }
 285         // make sure that our comment is the last thing on the line
 286         os << "\n\\newline";
 287         newcontext.check_end_layout(os);
 288         end_inset(os);
 289 }
 290
 291
 292 class isLayout : public std::unary_function<LyXLayout_ptr, bool> {
 293 public:
 294         isLayout(string const name) : name_(name) {}
 295         bool operator()(LyXLayout_ptr const & ptr) const {
 296                 return ptr->latexname() == name_;
 297         }
 298 private:
 299         string const name_;
 300 };
 301
 302
 303 LyXLayout_ptr findLayout(LyXTextClass const & textclass,
 304                          string const & name)
 305 {
 306         LyXTextClass::const_iterator beg  = textclass.begin();
 307         LyXTextClass::const_iterator end = textclass.end();
 308
 309         LyXTextClass::const_iterator
 310                 it = std::find_if(beg, end, isLayout(name));
 311
 312         return (it == end) ? LyXLayout_ptr() : *it;
 313 }
 314
 315
 316 void output_command_layout(ostream & os, Parser & p, bool outer,
 317                            Context & parent_context,
 318                            LyXLayout_ptr newlayout)
 319 {
 320         parent_context.check_end_layout(os);
 321         Context context(true, parent_context.textclass, newlayout,
 322                         parent_context.layout);
 323         context.check_deeper(os);
 324         context.check_layout(os);
 325         if (context.layout->optionalargs > 0) {
 326                 p.skip_spaces();
 327                 if (p.next_token().character() == '[') {
 328                         p.get_token(); // eat '['
 329                         begin_inset(os, "OptArg\n");
 330                         os << "status collapsed\n\n";
 331                         parse_text_in_inset(p, os, FLAG_BRACK_LAST, outer, context);
 332                         end_inset(os);
 333                 }
 334         }
 335         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
 336         context.check_end_layout(os);
 337         context.check_end_deeper(os);
 338         // We don't need really a new paragraph, but
 339         // we must make sure that the next item gets a \begin_layout.
 340         parent_context.new_paragraph(os);
 341 }
 342
 343
 344 /*!
 345  * Output a space if necessary.
 346  * This function gets called for every whitespace token.
 347  *
 348  * We have three cases here:
 349  * 1. A space must be suppressed. Example: The lyxcode case below
 350  * 2. A space may be suppressed. Example: Spaces before "\par"
 351  * 3. A space must not be suppressed. Example: A space between two words
 352  *
 353  * We currently handle only 1. and 3 and from 2. only the case of
 354  * spaces before newlines as a side effect.
 355  *
 356  * 2. could be used to suppress as many spaces as possible. This has two effects:
 357  * - Reimporting LyX generated LaTeX files changes almost no whitespace
 358  * - Superflous whitespace from non LyX generated LaTeX files is removed.
 359  * The drawback is that the logic inside the function becomes
 360  * complicated, and that is the reason why it is not implemented.
 361  */
 362 void check_space(Parser const & p, ostream & os, Context & context)
 363 {
 364         Token const next = p.next_token();
 365         Token const curr = p.curr_token();
 366         // A space before a single newline and vice versa must be ignored
 367         // LyX emits a newline before \end{lyxcode}.
 368         // This newline must be ignored,
 369         // otherwise LyX will add an additional protected space.
 370         if (next.cat() == catSpace ||
 371             next.cat() == catNewline ||
 372             (next.cs() == "end" && context.layout->free_spacing && curr.cat() == catNewline)) {
 373                 return;
 374         }
 375         context.check_layout(os);
 376         os << ' ';
 377 }
 378
 379
 380 /*!
 381  * Check wether \param command is a known command. If yes,
 382  * handle the command with all arguments.
 383  * \return true if the command was parsed, false otherwise.
 384  */
 385 bool parse_command(string const & command, Parser & p, ostream & os,
 386                    bool outer, Context & context)
 387 {
 388         if (known_commands.find(command) != known_commands.end()) {
 389                 vector<ArgumentType> const & template_arguments = known_commands[command];
 390                 string ert = command;
 391                 size_t no_arguments = template_arguments.size();
 392                 for (size_t i = 0; i < no_arguments; ++i) {
 393                         switch (template_arguments[i]) {
 394                         case required:
 395                                 // This argument contains regular LaTeX
 396                                 handle_ert(os, ert + '{', context);
 397                                 parse_text(p, os, FLAG_ITEM, outer, context);
 398                                 ert = "}";
 399                                 break;
 400                         case verbatim:
 401                                 // This argument may contain special characters
 402                                 ert += '{' + p.verbatim_item() + '}';
 403                                 break;
 404                         case optional:
 405                                 ert += p.getOpt();
 406                                 break;
 407                         }
 408                 }
 409                 handle_ert(os, ert, context);
 410                 return true;
 411         }
 412         return false;
 413 }
 414
 415
 416 /// Parses a minipage or parbox
 417 void parse_box(Parser & p, ostream & os, unsigned flags, bool outer,
 418                Context & parent_context, bool use_parbox)
 419 {
 420         string position;
 421         string inner_pos;
 422         string height_value = "0";
 423         string height_unit = "pt";
 424         string height_special = "none";
 425         string latex_height;
 426         if (p.next_token().asInput() == "[") {
 427                 position = p.getArg('[', ']');
 428                 if (position != "t" && position != "c" && position != "b") {
 429                         position = "c";
 430                         cerr << "invalid position for minipage/parbox" << endl;
 431                 }
 432                 if (p.next_token().asInput() == "[") {
 433                         latex_height = p.getArg('[', ']');
 434                         translate_box_len(latex_height, height_value, height_unit, height_special);
 435
 436                         if (p.next_token().asInput() == "[") {
 437                                 inner_pos = p.getArg('[', ']');
 438                                 if (inner_pos != "c" && inner_pos != "t" &&
 439                                     inner_pos != "b" && inner_pos != "s") {
 440                                         inner_pos = position;
 441                                         cerr << "invalid inner_pos for minipage/parbox"
 442                                              << endl;
 443                                 }
 444                         }
 445                 }
 446         }
 447         string width_value;
 448         string width_unit;
 449         string const latex_width = p.verbatim_item();
 450         translate_len(latex_width, width_value, width_unit);
 451         if (contains(width_unit, '\\') || contains(height_unit, '\\')) {
 452                 // LyX can't handle length variables
 453                 ostringstream ss;
 454                 if (use_parbox)
 455                         ss << "\\parbox";
 456                 else
 457                         ss << "\\begin{minipage}";
 458                 if (!position.empty())
 459                         ss << '[' << position << ']';
 460                 if (!latex_height.empty())
 461                         ss << '[' << latex_height << ']';
 462                 if (!inner_pos.empty())
 463                         ss << '[' << inner_pos << ']';
 464                 ss << "{" << latex_width << "}";
 465                 if (use_parbox)
 466                         ss << '{';
 467                 handle_ert(os, ss.str(), parent_context);
 468                 parent_context.new_paragraph(os);
 469                 parse_text_in_inset(p, os, flags, outer, parent_context);
 470                 if (use_parbox)
 471                         handle_ert(os, "}", parent_context);
 472                 else
 473                         handle_ert(os, "\\end{minipage}", parent_context);
 474         } else {
 475                 // LyX does not like empty positions, so we have
 476                 // to set them to the LaTeX default values here.
 477                 if (position.empty())
 478                         position = "c";
 479                 if (inner_pos.empty())
 480                         inner_pos = position;
 481                 parent_context.check_layout(os);
 482                 begin_inset(os, "Box Frameless\n");
 483                 os << "position \"" << position << "\"\n";
 484                 os << "hor_pos \"c\"\n";
 485                 os << "has_inner_box 1\n";
 486                 os << "inner_pos \"" << inner_pos << "\"\n";
 487                 os << "use_parbox " << use_parbox << "\n";
 488                 os << "width \"" << width_value << width_unit << "\"\n";
 489                 os << "special \"none\"\n";
 490                 os << "height \"" << height_value << height_unit << "\"\n";
 491                 os << "height_special \"" << height_special << "\"\n";
 492                 os << "status open\n\n";
 493                 parse_text_in_inset(p, os, flags, outer, parent_context);
 494                 end_inset(os);
 495 #ifdef PRESERVE_LAYOUT
 496                 // lyx puts a % after the end of the minipage
 497                 if (p.next_token().cat() == catNewline && p.next_token().cs().size() > 1) {
 498                         // new paragraph
 499                         //handle_comment(os, "%dummy", parent_context);
 500                         p.get_token();
 501                         p.skip_spaces();
 502                         parent_context.new_paragraph(os);
 503                 }
 504                 else if (p.next_token().cat() == catSpace || p.next_token().cat() == catNewline) {
 505                         //handle_comment(os, "%dummy", parent_context);
 506                         p.get_token();
 507                         p.skip_spaces();
 508                         // We add a protected space if something real follows
 509                         if (p.good() && p.next_token().cat() != catComment) {
 510                                 os << "\\InsetSpace ~\n";
 511                         }
 512                 }
 513 #endif
 514         }
 515 }
 516
 517
 518 void parse_environment(Parser & p, ostream & os, bool outer,
 519                        Context & parent_context)
 520 {
 521         LyXLayout_ptr newlayout;
 522         string const name = p.getArg('{', '}');
 523         const bool is_starred = suffixIs(name, '*');
 524         string const unstarred_name = rtrim(name, "*");
 525         active_environments.push_back(name);
 526         p.skip_spaces();
 527
 528         if (is_math_env(name)) {
 529                 parent_context.check_layout(os);
 530                 begin_inset(os, "Formula ");
 531                 os << "\\begin{" << name << "}";
 532                 parse_math(p, os, FLAG_END, MATH_MODE);
 533                 os << "\\end{" << name << "}";
 534                 end_inset(os);
 535         }
 536
 537         else if (name == "tabular") {
 538                 parent_context.check_layout(os);
 539                 begin_inset(os, "Tabular ");
 540                 handle_tabular(p, os, parent_context);
 541                 end_inset(os);
 542         }
 543
 544         else if (parent_context.textclass.floats().typeExist(unstarred_name)) {
 545                 parent_context.check_layout(os);
 546                 begin_inset(os, "Float " + unstarred_name + "\n");
 547                 if (p.next_token().asInput() == "[") {
 548                         os << "placement " << p.getArg('[', ']') << '\n';
 549                 }
 550                 os << "wide " << tostr(is_starred)
 551                    << "\nstatus open\n\n";
 552                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
 553                 end_inset(os);
 554                 // We don't need really a new paragraph, but
 555                 // we must make sure that the next item gets a \begin_layout.
 556                 parent_context.new_paragraph(os);
 557         }
 558
 559         else if (name == "minipage")
 560                 parse_box(p, os, FLAG_END, outer, parent_context, false);
 561
 562         // Alignment settings
 563         else if (name == "center" || name == "flushleft" || name == "flushright" ||
 564                  name == "centering" || name == "raggedright" || name == "raggedleft") {
 565                 // We must begin a new paragraph if not already done
 566                 if (! parent_context.atParagraphStart()) {
 567                         parent_context.check_end_layout(os);
 568                         parent_context.new_paragraph(os);
 569                 }
 570                 if (name == "flushleft" || name == "raggedright")
 571                         parent_context.add_extra_stuff("\\align left ");
 572                 else if (name == "flushright" || name == "raggedleft")
 573                         parent_context.add_extra_stuff("\\align right ");
 574                 else
 575                         parent_context.add_extra_stuff("\\align center ");
 576                 parse_text(p, os, FLAG_END, outer, parent_context);
 577                 // Just in case the environment is empty ..
 578                 parent_context.extra_stuff.erase();
 579                 // We must begin a new paragraph to reset the alignment
 580                 parent_context.new_paragraph(os);
 581         }
 582
 583         // The single '=' is meant here.
 584         else if ((newlayout = findLayout(parent_context.textclass, name)).get() &&
 585                    newlayout->isEnvironment()) {
 586                 Context context(true, parent_context.textclass, newlayout,
 587                                 parent_context.layout);
 588                 parent_context.check_end_layout(os);
 589                 switch (context.layout->latextype) {
 590                 case  LATEX_LIST_ENVIRONMENT:
 591                         context.extra_stuff = "\\labelwidthstring "
 592                                 + p.verbatim_item() + '\n';
 593                         p.skip_spaces();
 594                         break;
 595                 case  LATEX_BIB_ENVIRONMENT:
 596                         p.verbatim_item(); // swallow next arg
 597                         p.skip_spaces();
 598                         break;
 599                 default:
 600                         break;
 601                 }
 602                 context.check_deeper(os);
 603                 parse_text(p, os, FLAG_END, outer, context);
 604                 context.check_end_layout(os);
 605                 context.check_end_deeper(os);
 606                 parent_context.new_paragraph(os);
 607         }
 608
 609         else if (name == "appendix") {
 610                 // This is no good latex style, but it works and is used in some documents...
 611                 parent_context.check_end_layout(os);
 612                 Context context(true, parent_context.textclass, parent_context.layout,
 613                                 parent_context.layout);
 614                 context.check_layout(os);
 615                 os << "\\start_of_appendix\n";
 616                 parse_text(p, os, FLAG_END, outer, context);
 617                 context.check_end_layout(os);
 618         }
 619
 620         else if (name == "comment") {
 621                 parent_context.check_layout(os);
 622                 begin_inset(os, "Note Comment\n");
 623                 os << "status open\n";
 624                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
 625                 end_inset(os);
 626         }
 627
 628         else if (name == "lyxgreyedout") {
 629                 parent_context.check_layout(os);
 630                 begin_inset(os, "Note Greyedout\n");
 631                 os << "status open\n";
 632                 parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
 633                 end_inset(os);
 634         }
 635
 636         else if (name == "tabbing") {
 637                 // We need to remember that we have to handle '\=' specially
 638                 handle_ert(os, "\\begin{" + name + "}", parent_context);
 639                 parse_text_snippet(p, os, FLAG_END | FLAG_TABBING, outer, parent_context);
 640                 handle_ert(os, "\\end{" + name + "}", parent_context);
 641         }
 642
 643         else {
 644                 handle_ert(os, "\\begin{" + name + "}", parent_context);
 645                 parse_text_snippet(p, os, FLAG_END, outer, parent_context);
 646                 handle_ert(os, "\\end{" + name + "}", parent_context);
 647         }
 648
 649         active_environments.pop_back();
 650         if (name != "math")
 651                 p.skip_spaces();
 652 }
 653
 654 } // anonymous namespace
 655
 656
 657
 658
 659 void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
 660                 Context & context)
 661 {
 662         LyXLayout_ptr newlayout;
 663         // Store the latest bibliographystyle (needed for bibtex inset)
 664         string bibliographystyle;
 665         while (p.good()) {
 666                 Token const & t = p.get_token();
 667
 668 #ifdef FILEDEBUG
 669                 cerr << "t: " << t << " flags: " << flags << "\n";
 670 #endif
 671
 672                 if (flags & FLAG_ITEM) {
 673                         if (t.cat() == catSpace)
 674                                 continue;
 675
 676                         flags &= ~FLAG_ITEM;
 677                         if (t.cat() == catBegin) {
 678                                 // skip the brace and collect everything to the next matching
 679                                 // closing brace
 680                                 flags |= FLAG_BRACE_LAST;
 681                                 continue;
 682                         }
 683
 684                         // handle only this single token, leave the loop if done
 685                         flags |= FLAG_LEAVE;
 686                 }
 687
 688                 if (t.character() == ']' && (flags & FLAG_BRACK_LAST))
 689                         return;
 690
 691                 //
 692                 // cat codes
 693                 //
 694                 if (t.cat() == catMath) {
 695                         // we are inside some text mode thingy, so opening new math is allowed
 696                         context.check_layout(os);
 697                         begin_inset(os, "Formula ");
 698                         Token const & n = p.get_token();
 699                         if (n.cat() == catMath && outer) {
 700                                 // TeX's $$...$$ syntax for displayed math
 701                                 os << "\\[";
 702                                 parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
 703                                 os << "\\]";
 704                                 p.get_token(); // skip the second '$' token
 705                         } else {
 706                                 // simple $...$  stuff
 707                                 p.putback();
 708                                 os << '$';
 709                                 parse_math(p, os, FLAG_SIMPLE, MATH_MODE);
 710                                 os << '$';
 711                         }
 712                         end_inset(os);
 713                 }
 714
 715                 else if (t.cat() == catSuper || t.cat() == catSub)
 716                         cerr << "catcode " << t << " illegal in text mode\n";
 717
 718                 // Basic support for english quotes. This should be
 719                 // extended to other quotes, but is not so easy (a
 720                 // left english quote is the same as a right german
 721                 // quote...)
 722                 else if (t.asInput() == "`"
 723                          && p.next_token().asInput() == "`") {
 724                         context.check_layout(os);
 725                         begin_inset(os, "Quotes ");
 726                         os << "eld";
 727                         end_inset(os);
 728                         p.get_token();
 729                         skip_braces(p);
 730                 }
 731                 else if (t.asInput() == "'"
 732                          && p.next_token().asInput() == "'") {
 733                         context.check_layout(os);
 734                         begin_inset(os, "Quotes ");
 735                         os << "erd";
 736                         end_inset(os);
 737                         p.get_token();
 738                         skip_braces(p);
 739                 }
 740
 741                 else if (t.cat() == catSpace || (t.cat() == catNewline && t.cs().size() == 1))
 742                         check_space(p, os, context);
 743
 744                 else if (t.cat() == catLetter ||
 745                                t.cat() == catOther ||
 746                                t.cat() == catAlign ||
 747                                t.cat() == catParameter) {
 748                         context.check_layout(os);
 749                         os << t.character();
 750                 }
 751
 752                 else if (t.cat() == catNewline || (t.cat() == catEscape && t.cs() == "par")) {
 753                         p.skip_spaces();
 754                         context.new_paragraph(os);
 755                 }
 756
 757                 else if (t.cat() == catActive) {
 758                         context.check_layout(os);
 759                         if (t.character() == '~') {
 760                                 if (context.layout->free_spacing)
 761                                         os << ' ';
 762                                 else
 763                                         os << "\\InsetSpace ~\n";
 764                         } else
 765                                 os << t.character();
 766                 }
 767
 768                 else if (t.cat() == catBegin) {
 769                         // special handling of size changes
 770                         context.check_layout(os);
 771                         bool const is_size = is_known(p.next_token().cs(), known_sizes);
 772                         Token const prev = p.prev_token();
 773                         string const s = parse_text(p, FLAG_BRACE_LAST, outer, context);
 774                         if (s.empty() && (p.next_token().character() == '`' ||
 775                                           (prev.character() == '-' && p.next_token().character())))
 776                                 ; // ignore it in {}`` or -{}-
 777                         else if (is_size || s == "[" || s == "]" || s == "*")
 778                                 os << s;
 779                         else {
 780                                 handle_ert(os, "{", context, false);
 781                                 // s will end the current layout and begin a new one if necessary
 782                                 os << s;
 783                                 handle_ert(os, "}", context);
 784                         }
 785                 }
 786
 787                 else if (t.cat() == catEnd) {
 788                         if (flags & FLAG_BRACE_LAST) {
 789                                 return;
 790                         }
 791                         cerr << "stray '}' in text\n";
 792                         handle_ert(os, "}", context);
 793                 }
 794
 795                 else if (t.cat() == catComment) {
 796                         context.check_layout(os);
 797                         if (!t.cs().empty()) {
 798                                 handle_comment(os, '%' + t.cs(), context);
 799                                 if (p.next_token().cat() == catNewline) {
 800                                         // A newline after a comment line starts a new paragraph
 801                                         context.new_paragraph(os);
 802                                         p.skip_spaces();
 803                                 }
 804                         } else {
 805                                 // "%\n" combination
 806                                 p.skip_spaces();
 807                         }
 808                 }
 809
 810                 //
 811                 // control sequences
 812                 //
 813
 814                 else if (t.cs() == "(") {
 815                         context.check_layout(os);
 816                         begin_inset(os, "Formula");
 817                         os << " \\(";
 818                         parse_math(p, os, FLAG_SIMPLE2, MATH_MODE);
 819                         os << "\\)";
 820                         end_inset(os);
 821                 }
 822
 823                 else if (t.cs() == "[") {
 824                         context.check_layout(os);
 825                         begin_inset(os, "Formula");
 826                         os << " \\[";
 827                         parse_math(p, os, FLAG_EQUATION, MATH_MODE);
 828                         os << "\\]";
 829                         end_inset(os);
 830                 }
 831
 832                 else if (t.cs() == "begin")
 833                         parse_environment(p, os, outer, context);
 834
 835                 else if (t.cs() == "end") {
 836                         if (flags & FLAG_END) {
 837                                 // eat environment name
 838                                 string const name = p.getArg('{', '}');
 839                                 if (name != active_environment())
 840                                         cerr << "\\end{" + name + "} does not match \\begin{"
 841                                                 + active_environment() + "}\n";
 842                                 return;
 843                         }
 844                         p.error("found 'end' unexpectedly");
 845                 }
 846
 847                 else if (t.cs() == "item") {
 848                         p.skip_spaces();
 849                         string s;
 850                         bool optarg = false;
 851                         if (p.next_token().character() == '[') {
 852                                 p.get_token(); // eat '['
 853                                 Context newcontext(false, context.textclass);
 854                                 s = parse_text(p, FLAG_BRACK_LAST, outer, newcontext);
 855                                 optarg = true;
 856                         }
 857                         context.set_item();
 858                         context.check_layout(os);
 859                         if (optarg) {
 860                                 if (context.layout->labeltype != LABEL_MANUAL) {
 861                                         // lyx does not support \item[\mybullet] in itemize environments
 862                                         handle_ert(os, "[", context);
 863                                         os << s;
 864                                         handle_ert(os, "]", context);
 865                                 } else if (!s.empty()) {
 866                                         // The space is needed to separate the item from the rest of the sentence.
 867                                         os << s << ' ';
 868                                         p.skip_spaces();
 869                                 }
 870                         }
 871                 }
 872
 873                 else if (t.cs() == "bibitem") {
 874                         context.set_item();
 875                         context.check_layout(os);
 876                         os << "\\bibitem ";
 877                         os << p.getOpt();
 878                         os << '{' << p.verbatim_item() << '}' << "\n";
 879                 }
 880
 881                 else if (t.cs() == "def") {
 882                         p.skip_spaces();
 883                         context.check_layout(os);
 884                         string name = p.get_token().cs();
 885                         while (p.next_token().cat() != catBegin)
 886                                 name += p.get_token().asString();
 887                         handle_ert(os, "\\def\\" + name + '{' + p.verbatim_item() + '}', context);
 888                 }
 889
 890                 else if (t.cs() == "noindent") {
 891                         p.skip_spaces();
 892                         context.add_extra_stuff("\\noindent ");
 893                 }
 894
 895                 else if (t.cs() == "appendix") {
 896                         p.skip_spaces();
 897                         context.add_extra_stuff("\\start_of_appendix ");
 898                 }
 899
 900                 // Must attempt to parse "Section*" before "Section".
 901                 else if ((p.next_token().asInput() == "*") &&
 902                          // The single '=' is meant here.
 903                          (newlayout = findLayout(context.textclass,
 904                                                  t.cs() + '*')).get() &&
 905                          newlayout->isCommand()) {
 906                         p.get_token();
 907                         output_command_layout(os, p, outer, context, newlayout);
 908                         p.skip_spaces();
 909                 }
 910
 911                 // The single '=' is meant here.
 912                 else if ((newlayout = findLayout(context.textclass, t.cs())).get() &&
 913                          newlayout->isCommand()) {
 914                         output_command_layout(os, p, outer, context, newlayout);
 915                         p.skip_spaces();
 916                 }
 917
 918                 else if (t.cs() == "includegraphics") {
 919                         map<string, string> opts = split_map(p.getArg('[', ']'));
 920                         string name = subst(p.verbatim_item(), "\\lyxdot ", ".");
 921
 922                         context.check_layout(os);
 923                         begin_inset(os, "Graphics ");
 924                         os << "\n\tfilename " << name << '\n';
 925                         if (opts.find("width") != opts.end())
 926                                 os << "\twidth "
 927                                    << translate_len(opts["width"]) << '\n';
 928                         if (opts.find("height") != opts.end())
 929                                 os << "\theight "
 930                                    << translate_len(opts["height"]) << '\n';
 931                         if (opts.find("scale") != opts.end()) {
 932                                 istringstream iss(opts["scale"]);
 933                                 double val;
 934                                 iss >> val;
 935                                 val = val*100;
 936                                 os << "\tscale " << val << '\n';
 937                         }
 938                         if (opts.find("angle") != opts.end())
 939                                 os << "\trotateAngle "
 940                                    << opts["angle"] << '\n';
 941                         if (opts.find("origin") != opts.end()) {
 942                                 ostringstream ss;
 943                                 string const opt = opts["origin"];
 944                                 if (opt.find('l') != string::npos) ss << "left";
 945                                 if (opt.find('r') != string::npos) ss << "right";
 946                                 if (opt.find('c') != string::npos) ss << "center";
 947                                 if (opt.find('t') != string::npos) ss << "Top";
 948                                 if (opt.find('b') != string::npos) ss << "Bottom";
 949                                 if (opt.find('B') != string::npos) ss << "Baseline";
 950                                 if (!ss.str().empty())
 951                                         os << "\trotateOrigin " << ss.str() << '\n';
 952                                 else
 953                                         cerr << "Warning: Ignoring unknown includegraphics origin argument '" << opt << "'\n";
 954                         }
 955                         if (opts.find("keepaspectratio") != opts.end())
 956                                 os << "\tkeepAspectRatio\n";
 957                         if (opts.find("clip") != opts.end())
 958                                 os << "\tclip\n";
 959                         if (opts.find("draft") != opts.end())
 960                                 os << "\tdraft\n";
 961                         if (opts.find("bb") != opts.end())
 962                                 os << "\tBoundingBox "
 963                                    << opts["bb"] << '\n';
 964                         int numberOfbbOptions = 0;
 965                         if (opts.find("bbllx") != opts.end())
 966                                 numberOfbbOptions++;
 967                         if (opts.find("bblly") != opts.end())
 968                                 numberOfbbOptions++;
 969                         if (opts.find("bburx") != opts.end())
 970                                 numberOfbbOptions++;
 971                         if (opts.find("bbury") != opts.end())
 972                                 numberOfbbOptions++;
 973                         if (numberOfbbOptions == 4)
 974                                 os << "\tBoundingBox "
 975                                    << opts["bbllx"] << opts["bblly"]
 976                                    << opts["bburx"] << opts["bbury"] << '\n';
 977                         else if (numberOfbbOptions > 0)
 978                                 cerr << "Warning: Ignoring incomplete includegraphics boundingbox arguments.\n";
 979                         numberOfbbOptions = 0;
 980                         if (opts.find("natwidth") != opts.end())
 981                                 numberOfbbOptions++;
 982                         if (opts.find("natheight") != opts.end())
 983                                 numberOfbbOptions++;
 984                         if (numberOfbbOptions == 2)
 985                                 os << "\tBoundingBox 0bp 0bp "
 986                                    << opts["natwidth"] << opts["natheight"] << '\n';
 987                         else if (numberOfbbOptions > 0)
 988                                 cerr << "Warning: Ignoring incomplete includegraphics boundingbox arguments.\n";
 989                         ostringstream special;
 990                         if (opts.find("hiresbb") != opts.end())
 991                                 special << "hiresbb,";
 992                         if (opts.find("trim") != opts.end())
 993                                 special << "trim,";
 994                         if (opts.find("viewport") != opts.end())
 995                                 special << "viewport=" << opts["viewport"] << ',';
 996                         if (opts.find("totalheight") != opts.end())
 997                                 special << "totalheight=" << opts["totalheight"] << ',';
 998                         if (opts.find("type") != opts.end())
 999                                 special << "type=" << opts["type"] << ',';
1000                         if (opts.find("ext") != opts.end())
1001                                 special << "ext=" << opts["ext"] << ',';
1002                         if (opts.find("read") != opts.end())
1003                                 special << "read=" << opts["read"] << ',';
1004                         if (opts.find("command") != opts.end())
1005                                 special << "command=" << opts["command"] << ',';
1006                         string s_special = special.str();
1007                         if (!s_special.empty()) {
1008                                 // We had special arguments. Remove the trailing ','.
1009                                 os << "\tspecial " << s_special.substr(0, s_special.size() - 1) << '\n';
1010                         }
1011                         // TODO: Handle the unknown settings better.
1012                         // Warn about invalid options.
1013                         // Check wether some option was given twice.
1014                         end_inset(os);
1015                 }
1016
1017                 else if (t.cs() == "footnote") {
1018                         p.skip_spaces();
1019                         context.check_layout(os);
1020                         begin_inset(os, "Foot\n");
1021                         os << "status collapsed\n\n";
1022                         parse_text_in_inset(p, os, FLAG_ITEM, false, context);
1023                         end_inset(os);
1024                 }
1025
1026                 else if (t.cs() == "marginpar") {
1027                         p.skip_spaces();
1028                         context.check_layout(os);
1029                         begin_inset(os, "Marginal\n");
1030                         os << "status collapsed\n\n";
1031                         parse_text_in_inset(p, os, FLAG_ITEM, false, context);
1032                         end_inset(os);
1033                 }
1034
1035                 else if (t.cs() == "ensuremath") {
1036                         p.skip_spaces();
1037                         context.check_layout(os);
1038                         Context newcontext(false, context.textclass);
1039                         string s = parse_text(p, FLAG_ITEM, false, newcontext);
1040                         if (s == "±" || s == "³" || s == "²" || s == "µ")
1041                                 os << s;
1042                         else
1043                                 handle_ert(os, "\\ensuremath{" + s + "}",
1044                                            context);
1045                 }
1046
1047                 else if (t.cs() == "hfill") {
1048                         context.check_layout(os);
1049                         os << "\n\\hfill\n";
1050                         skip_braces(p);
1051                         p.skip_spaces();
1052                 }
1053
1054                 else if (t.cs() == "makeindex" || t.cs() == "maketitle") {
1055                         p.skip_spaces();
1056                         skip_braces(p); // swallow this
1057                 }
1058
1059                 else if (t.cs() == "tableofcontents") {
1060                         p.skip_spaces();
1061                         context.check_layout(os);
1062                         begin_inset(os, "LatexCommand \\tableofcontents\n");
1063                         end_inset(os);
1064                         skip_braces(p); // swallow this
1065                 }
1066
1067                 else if (t.cs() == "listoffigures") {
1068                         p.skip_spaces();
1069                         context.check_layout(os);
1070                         begin_inset(os, "FloatList figure\n");
1071                         end_inset(os);
1072                         skip_braces(p); // swallow this
1073                 }
1074
1075                 else if (t.cs() == "listoftables") {
1076                         p.skip_spaces();
1077                         context.check_layout(os);
1078                         begin_inset(os, "FloatList table\n");
1079                         end_inset(os);
1080                         skip_braces(p); // swallow this
1081                 }
1082
1083                 else if (t.cs() == "listof") {
1084                         p.skip_spaces(true);
1085                         string const name = p.get_token().asString();
1086                         if (context.textclass.floats().typeExist(name)) {
1087                                 context.check_layout(os);
1088                                 begin_inset(os, "FloatList ");
1089                                 os << name << "\n";
1090                                 end_inset(os);
1091                                 p.get_token(); // swallow second arg
1092                         } else
1093                                 handle_ert(os, "\\listof{" + name + "}", context);
1094                 }
1095
1096                 else if (t.cs() == "textrm") {
1097                         context.check_layout(os);
1098                         os << "\n\\family roman \n";
1099                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1100                         os << "\n\\family default \n";
1101                 }
1102
1103                 else if (t.cs() == "textsf") {
1104                         context.check_layout(os);
1105                         os << "\n\\family sans \n";
1106                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1107                         os << "\n\\family default \n";
1108                 }
1109
1110                 else if (t.cs() == "textsl") {
1111                         context.check_layout(os);
1112                         os << "\n\\shape slanted \n";
1113                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1114                         os << "\n\\shape default \n";
1115                 }
1116
1117                 else if (t.cs() == "texttt") {
1118                         context.check_layout(os);
1119                         os << "\n\\family typewriter \n";
1120                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1121                         os << "\n\\family default \n";
1122                 }
1123
1124                 else if (t.cs() == "textit") {
1125                         context.check_layout(os);
1126                         os << "\n\\shape italic \n";
1127                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1128                         os << "\n\\shape default \n";
1129                 }
1130
1131                 else if (t.cs() == "textsc") {
1132                         context.check_layout(os);
1133                         os << "\n\\noun on \n";
1134                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1135                         os << "\n\\noun default \n";
1136                 }
1137
1138                 else if (t.cs() == "textbf") {
1139                         context.check_layout(os);
1140                         os << "\n\\series bold \n";
1141                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1142                         os << "\n\\series default \n";
1143                 }
1144
1145                 else if (t.cs() == "underbar") {
1146                         context.check_layout(os);
1147                         os << "\n\\bar under \n";
1148                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1149                         os << "\n\\bar default \n";
1150                 }
1151
1152                 else if (t.cs() == "emph" || t.cs() == "noun") {
1153                         context.check_layout(os);
1154                         os << "\n\\" << t.cs() << " on \n";
1155                         parse_text_snippet(p, os, FLAG_ITEM, outer, context);
1156                         os << "\n\\" << t.cs() << " default \n";
1157                 }
1158
1159                 else if (is_known(t.cs(), known_latex_commands)) {
1160                         context.check_layout(os);
1161                         begin_inset(os, "LatexCommand ");
1162                         os << '\\' << t.cs();
1163                         os << p.getOpt();
1164                         os << p.getOpt();
1165                         os << '{' << p.verbatim_item() << "}\n";
1166                         end_inset(os);
1167                 }
1168
1169                 else if (is_known(t.cs(), known_quotes)) {
1170                         char const ** where = is_known(t.cs(), known_quotes);
1171                         context.check_layout(os);
1172                         begin_inset(os, "Quotes ");
1173                         os << known_coded_quotes[where - known_quotes];
1174                         end_inset(os);
1175                         skip_braces(p);
1176                 }
1177
1178                 else if (is_known(t.cs(), known_sizes)) {
1179                         char const ** where = is_known(t.cs(), known_sizes);
1180                         context.check_layout(os);
1181                         os << "\n\\size " << known_coded_sizes[where - known_sizes] << "\n";
1182                         p.skip_spaces();
1183                 }
1184
1185                 else if (t.cs() == "LyX" || t.cs() == "TeX"
1186                          || t.cs() == "LaTeX") {
1187                         context.check_layout(os);
1188                         os << t.cs();
1189                         skip_braces(p); // eat {}
1190                 }
1191
1192                 else if (t.cs() == "LaTeXe") {
1193                         context.check_layout(os);
1194                         os << "LaTeX2e";
1195                         skip_braces(p); // eat {}
1196                 }
1197
1198                 else if (t.cs() == "ldots") {
1199                         context.check_layout(os);
1200                         skip_braces(p);
1201                         os << "\\SpecialChar \\ldots{}\n";
1202                 }
1203
1204                 else if (t.cs() == "lyxarrow") {
1205                         context.check_layout(os);
1206                         os << "\\SpecialChar \\menuseparator\n";
1207                         skip_braces(p);
1208                 }
1209
1210                 else if (t.cs() == "textcompwordmark") {
1211                         context.check_layout(os);
1212                         os << "\\SpecialChar \\textcompwordmark{}\n";
1213                         skip_braces(p);
1214                 }
1215
1216                 else if (t.cs() == "@" && p.next_token().asInput() == ".") {
1217                         context.check_layout(os);
1218                         os << "\\SpecialChar \\@.\n";
1219                         p.get_token();
1220                 }
1221
1222                 else if (t.cs() == "-") {
1223                         context.check_layout(os);
1224                         os << "\\SpecialChar \\-\n";
1225                 }
1226
1227                 else if (t.cs() == "textasciitilde") {
1228                         context.check_layout(os);
1229                         os << '~';
1230                         skip_braces(p);
1231                 }
1232
1233                 else if (t.cs() == "textasciicircum") {
1234                         context.check_layout(os);
1235                         os << '^';
1236                         skip_braces(p);
1237                 }
1238
1239                 else if (t.cs() == "textbackslash") {
1240                         context.check_layout(os);
1241                         os << "\n\\backslash \n";
1242                         skip_braces(p);
1243                 }
1244
1245                 else if (t.cs() == "_" || t.cs() == "&" || t.cs() == "#"
1246                             || t.cs() == "$" || t.cs() == "{" || t.cs() == "}"
1247                             || t.cs() == "%") {
1248                         context.check_layout(os);
1249                         os << t.cs();
1250                 }
1251
1252                 else if (t.cs() == "char") {
1253                         context.check_layout(os);
1254                         if (p.next_token().character() == '`') {
1255                                 p.get_token();
1256                                 if (p.next_token().cs() == "\"") {
1257                                         p.get_token();
1258                                         os << '"';
1259                                         skip_braces(p);
1260                                 } else {
1261                                         handle_ert(os, "\\char`", context);
1262                                 }
1263                         } else {
1264                                 handle_ert(os, "\\char", context);
1265                         }
1266                 }
1267
1268                 else if (t.cs() == "\"") {
1269                         context.check_layout(os);
1270                         string const name = p.verbatim_item();
1271                              if (name == "a") os << 'ä';
1272                         else if (name == "o") os << 'ö';
1273                         else if (name == "u") os << 'ü';
1274                         else if (name == "A") os << 'Ä';
1275                         else if (name == "O") os << 'Ö';
1276                         else if (name == "U") os << 'Ü';
1277                         else handle_ert(os, "\"{" + name + "}", context);
1278                 }
1279
1280                 // Problem: \= creates a tabstop inside the tabbing environment
1281                 // and else an accent. In the latter case we really would want
1282                 // \={o} instead of \= o.
1283                 else if (t.cs() == "=" && (flags & FLAG_TABBING))
1284                         handle_ert(os, t.asInput(), context);
1285
1286                 else if (t.cs() == "H" || t.cs() == "c" || t.cs() == "^" || t.cs() == "'"
1287                       || t.cs() == "~" || t.cs() == "." || t.cs() == "=") {
1288                         // we need the trim as the LyX parser chokes on such spaces
1289                         context.check_layout(os);
1290                         os << "\n\\i \\" << t.cs() << "{"
1291                            << trim(parse_text(p, FLAG_ITEM, outer, context), " ") << "}\n";
1292                 }
1293
1294                 else if (t.cs() == "ss") {
1295                         context.check_layout(os);
1296                         os << "ß";
1297                 }
1298
1299                 else if (t.cs() == "i" || t.cs() == "j") {
1300                         context.check_layout(os);
1301                         os << "\\" << t.cs() << ' ';
1302                 }
1303
1304                 else if (t.cs() == "\\") {
1305                         context.check_layout(os);
1306                         string const next = p.next_token().asInput();
1307                         if (next == "[")
1308                                 handle_ert(os, "\\\\" + p.getOpt(), context);
1309                         else if (next == "*") {
1310                                 p.get_token();
1311                                 handle_ert(os, "\\\\*" + p.getOpt(), context);
1312                         }
1313                         else {
1314                                 os << "\n\\newline \n";
1315                         }
1316                 }
1317
1318                 else if (t.cs() == "input" || t.cs() == "include"
1319                          || t.cs() == "verbatiminput") {
1320                         string name = '\\' + t.cs();
1321                         if (t.cs() == "verbatiminput"
1322                             && p.next_token().asInput() == "*")
1323                                 name += p.get_token().asInput();
1324                         context.check_layout(os);
1325                         begin_inset(os, "Include ");
1326                         string filename(p.getArg('{', '}'));
1327                         string lyxname(lyx::support::ChangeExtension(filename, ".lyx"));
1328                         if (tex2lyx(filename, lyxname)) {
1329                                 os << name << '{' << lyxname << "}\n";
1330                         } else {
1331                                 os << name << '{' << filename << "}\n";
1332                         }
1333                         os << "preview false\n";
1334                         end_inset(os);
1335                 }
1336
1337                 else if (t.cs() == "fancyhead") {
1338                         context.check_layout(os);
1339                         ostringstream ss;
1340                         ss << "\\fancyhead";
1341                         ss << p.getOpt();
1342                         ss << '{' << p.verbatim_item() << "}\n";
1343                         handle_ert(os, ss.str(), context);
1344                 }
1345
1346                 else if (t.cs() == "bibliographystyle") {
1347                         // store new bibliographystyle
1348                         bibliographystyle = p.verbatim_item();
1349                         // output new bibliographystyle.
1350                         // This is only necessary if used in some other macro than \bibliography.
1351                         handle_ert(os, "\\bibliographystyle{" + bibliographystyle + "}", context);
1352                 }
1353
1354                 else if (t.cs() == "bibliography") {
1355                         context.check_layout(os);
1356                         begin_inset(os, "LatexCommand ");
1357                         os << "\\bibtex";
1358                         // Do we have a bibliographystyle set?
1359                         if (!bibliographystyle.empty()) {
1360                                 os << '[' << bibliographystyle << ']';
1361                         }
1362                         os << '{' << p.verbatim_item() << "}\n";
1363                         end_inset(os);
1364                 }
1365
1366                 else if (t.cs() == "parbox")
1367                         parse_box(p, os, FLAG_ITEM, outer, context, true);
1368
1369                 else if (t.cs() == "smallskip" ||
1370                          t.cs() == "medskip" ||
1371                          t.cs() == "bigskip" ||
1372                          t.cs() == "vfill") {
1373                         context.check_layout(os);
1374                         begin_inset(os, "VSpace ");
1375                         os << t.cs();
1376                         end_inset(os);
1377                 }
1378
1379                 else if (t.cs() == "vspace") {
1380                         bool starred = false;
1381                         if (p.next_token().asInput() == "*") {
1382                                 p.get_token();
1383                                 starred = true;
1384                         }
1385                         string const length = p.verbatim_item();
1386                         string unit;
1387                         string valstring;
1388                         bool valid = splitLatexLength(length, valstring, unit);
1389                         bool known_vspace = false;
1390                         bool known_unit = false;
1391                         double value;
1392                         if (valid) {
1393                                 istringstream iss(valstring);
1394                                 iss >> value;
1395                                 if (value == 1.0) {
1396                                         if (unit == "\\smallskipamount") {
1397                                                 unit = "smallskip";
1398                                                 known_vspace = true;
1399                                         } else if (unit == "\\medskipamount") {
1400                                                 unit = "medskip";
1401                                                 known_vspace = true;
1402                                         } else if (unit == "\\bigskipamount") {
1403                                                 unit = "bigskip";
1404                                                 known_vspace = true;
1405                                         } else if (unit == "\\fill") {
1406                                                 unit = "vfill";
1407                                                 known_vspace = true;
1408                                         }
1409                                 }
1410                                 if (!known_vspace) {
1411                                         switch (unitFromString(unit)) {
1412                                         case LyXLength::SP:
1413                                         case LyXLength::PT:
1414                                         case LyXLength::BP:
1415                                         case LyXLength::DD:
1416                                         case LyXLength::MM:
1417                                         case LyXLength::PC:
1418                                         case LyXLength::CC:
1419                                         case LyXLength::CM:
1420                                         case LyXLength::IN:
1421                                         case LyXLength::EX:
1422                                         case LyXLength::EM:
1423                                         case LyXLength::MU:
1424                                                 known_unit = true;
1425                                                 break;
1426                                         default:
1427                                                 break;
1428                                         }
1429                                 }
1430                         }
1431
1432                         if (known_unit || known_vspace) {
1433                                 // Literal length or known variable
1434                                 context.check_layout(os);
1435                                 begin_inset(os, "VSpace ");
1436                                 if (known_unit)
1437                                         os << value;
1438                                 os << unit;
1439                                 if (starred)
1440                                         os << '*';
1441                                 end_inset(os);
1442                         } else {
1443                                 // LyX can't handle other length variables in Inset VSpace
1444                                 string name = t.asInput();
1445                                 if (starred)
1446                                         name += '*';
1447                                 if (valid) {
1448                                         if (value == 1.0)
1449                                                 handle_ert(os, name + '{' + unit + '}', context);
1450                                         else if (value == -1.0)
1451                                                 handle_ert(os, name + "{-" + unit + '}', context);
1452                                         else
1453                                                 handle_ert(os, name + '{' + valstring + unit + '}', context);
1454                                 } else
1455                                         handle_ert(os, name + '{' + length + '}', context);
1456                         }
1457                 }
1458
1459                 else {
1460                         //cerr << "#: " << t << " mode: " << mode << endl;
1461                         // heuristic: read up to next non-nested space
1462                         /*
1463                         string s = t.asInput();
1464                         string z = p.verbatim_item();
1465                         while (p.good() && z != " " && z.size()) {
1466                                 //cerr << "read: " << z << endl;
1467                                 s += z;
1468                                 z = p.verbatim_item();
1469                         }
1470                         cerr << "found ERT: " << s << endl;
1471                         handle_ert(os, s + ' ', context);
1472                         */
1473                         string name = t.asInput();
1474                         if (p.next_token().asInput() == "*") {
1475                                 // Starred commands like \vspace*{}
1476                                 p.get_token();                          // Eat '*'
1477                                 name += '*';
1478                         }
1479                         if (! parse_command(name, p, os, outer, context))
1480                                 handle_ert(os, name, context);
1481                 }
1482
1483                 if (flags & FLAG_LEAVE) {
1484                         flags &= ~FLAG_LEAVE;
1485                         break;
1486                 }
1487         }
1488 }
1489
1490
1491 // }])