src/tex2lyx/preamble.cpp

   1 /**
   2  * \file preamble.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  * \author Uwe Stöhr
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 // {[(
  13
  14 #include <config.h>
  15
  16 #include "tex2lyx.h"
  17
  18 #include "LayoutFile.h"
  19 #include "Layout.h"
  20 #include "Lexer.h"
  21 #include "TextClass.h"
  22
  23 #include "support/convert.h"
  24 #include "support/FileName.h"
  25 #include "support/filetools.h"
  26 #include "support/lstrings.h"
  27
  28 #include <boost/regex.hpp>
  29
  30 #include <algorithm>
  31 #include <iostream>
  32 #include <sstream>
  33 #include <string>
  34 #include <vector>
  35 #include <map>
  36
  37 using namespace std;
  38 using namespace lyx::support;
  39 using boost::regex;
  40 using boost::smatch;
  41
  42 namespace lyx {
  43
  44 // special columntypes
  45 extern map<char, int> special_columns;
  46
  47 map<string, vector<string> > used_packages;
  48
  49 // needed to handle encodings with babel
  50 bool one_language = true;
  51
  52 namespace {
  53
  54 //add these to known_languages when updating to lyxformat 268:
  55 //"chinese-simplified", "chinese-traditional", "japanese", "korean"
  56 const char * const known_languages[] = { "afrikaans", "american", "arabic",
  57 "austrian", "bahasa", "basque", "belarusian", "brazil", "brazilian", "breton",
  58 "british", "bulgarian", "canadian", "canadien", "catalan", "croatian", "czech",
  59 "danish", "dutch", "english", "esperanto", "estonian", "finnish", "francais",
  60 "french", "frenchb", "frenchle", "frenchpro", "galician", "german", "germanb",
  61 "greek", "hebrew", "icelandic", "irish", "italian", "kazakh", "lsorbian", "magyar",
  62 "naustrian", "ngerman", "ngermanb", "norsk", "nynorsk", "polish", "portuges",
  63 "portuguese", "romanian", "russian", "russianb", "scottish", "serbian", "slovak",
  64 "slovene", "spanish", "swedish", "thai", "turkish", "ukraineb", "ukrainian",
  65 "usorbian", "welsh", 0};
  66
  67 //add this when updating to lyxformat 305:
  68 //bahasai, indonesian, and indon = equal to bahasa
  69 //malay and meyalu = equal to bahasam
  70 const char * const known_brazilian_languages[] = {"brazil", "brazilian", 0};
  71 const char * const known_french_languages[] = {"french", "frenchb", "francais",
  72                                                 "frenchle", "frenchpro", 0};
  73 const char * const known_german_languages[] = {"german", "germanb", 0};
  74 const char * const known_ngerman_languages[] = {"ngerman", "ngermanb", 0};
  75 const char * const known_portuguese_languages[] = {"portuges", "portuguese", 0};
  76 const char * const known_russian_languages[] = {"russian", "russianb", 0};
  77 const char * const known_ukrainian_languages[] = {"ukrainian", "ukraineb", 0};
  78
  79 //add these to known_english_quotes_languages when updating to lyxformat 268:
  80 //"chinese-simplified", "korean"
  81 const char * const known_english_quotes_languages[] = {"american", "canadian",
  82 "english", "esperanto", "hebrew", "irish", "scottish", "thai", 0};
  83
  84 //add this to known_french_quotes_languages when updating to lyxformat 327:
  85 //"spanish-mexico"
  86 const char * const known_french_quotes_languages[] = {"albanian", "arabic",
  87 "basque", "canadien", "catalan", "galician", "greek", "italian", "norsk",
  88 "nynorsk", "spanish", "turkish", 0};
  89
  90 const char * const known_german_quotes_languages[] = {"austrian", "bulgarian",
  91 "czech", "icelandic", "lithuanian", "lsorbian", "naustrian", "serbian",
  92 "serbian-latin", "slovak", "slovene", "usorbian",  0};
  93
  94 const char * const known_polish_quotes_languages[] = {"afrikaans", "croatian",
  95 "dutch", "estonian", "magyar", "polish", "romanian", 0};
  96
  97 const char * const known_swedish_quotes_languages[] = {"bahasa", "finnish",
  98 "swedish", 0};
  99
 100 char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
 101
 102 const char * const known_roman_fonts[] = { "ae", "bookman", "charter",
 103 "cmr", "fourier", "lmodern", "mathpazo", "mathptmx", "newcent", 0};
 104
 105 const char * const known_sans_fonts[] = { "avant", "berasans", "cmbr", "cmss",
 106 "helvet", "lmss", 0};
 107
 108 const char * const known_typewriter_fonts[] = { "beramono", "cmtl", "cmtt",
 109 "courier", "lmtt", "luximono", "fourier", "lmodern", "mathpazo", "mathptmx",
 110 "newcent", 0};
 111
 112 const char * const known_paper_sizes[] = { "a3paper", "b3paper", "a4paper",
 113 "b4paper", "a5paper", "b5paper", "executivepaper", "legalpaper",
 114 "letterpaper", 0};
 115
 116 const char * const known_class_paper_sizes[] = { "a4paper", "a5paper",
 117 "executivepaper", "legalpaper", "letterpaper", 0};
 118
 119 const char * const known_paper_margins[] = { "lmargin", "tmargin", "rmargin",
 120 "bmargin", "headheight", "headsep", "footskip", "columnsep", 0};
 121
 122 const char * const known_coded_paper_margins[] = { "leftmargin", "topmargin",
 123 "rightmargin", "bottommargin", "headheight", "headsep", "footskip",
 124 "columnsep", 0};
 125
 126 // default settings
 127 ostringstream h_preamble;
 128 string h_textclass               = "article";
 129 string h_options                 = string();
 130 string h_language                = "english";
 131 string h_inputencoding           = "auto";
 132 string h_font_roman              = "default";
 133 string h_font_sans               = "default";
 134 string h_font_typewriter         = "default";
 135 string h_font_default_family     = "default";
 136 string h_font_sc                 = "false";
 137 string h_font_osf                = "false";
 138 string h_font_sf_scale           = "100";
 139 string h_font_tt_scale           = "100";
 140 string h_graphics                = "default";
 141 string h_paperfontsize           = "default";
 142 string h_spacing                 = "single";
 143 string h_papersize               = "default";
 144 string h_use_geometry            = "false";
 145 string h_use_amsmath             = "1";
 146 string h_use_esint               = "1";
 147 string h_cite_engine             = "basic";
 148 string h_use_bibtopic            = "false";
 149 string h_paperorientation        = "portrait";
 150 string h_secnumdepth             = "3";
 151 string h_tocdepth                = "3";
 152 string h_paragraph_separation    = "indent";
 153 string h_defskip                 = "medskip";
 154 string h_quotes_language         = "english";
 155 string h_papercolumns            = "1";
 156 string h_papersides              = string();
 157 string h_paperpagestyle          = "default";
 158 string h_tracking_changes        = "false";
 159 string h_output_changes          = "false";
 160 string h_margins                 = "";
 161
 162 // returns true if at least one of the options in what has been found
 163 bool handle_opt(vector<string> & opts, char const * const * what, string & target)
 164 {
 165         if (opts.empty())
 166                 return false;
 167
 168         bool found = false;
 169         // the last language option is the document language (for babel and LyX)
 170         // the last size option is the document font size
 171         vector<string>::iterator it;
 172         vector<string>::iterator position = opts.begin();
 173         for (; *what; ++what) {
 174                 it = find(opts.begin(), opts.end(), *what);
 175                 if (it != opts.end()) {
 176                         if (it >= position) {
 177                                 found = true;
 178                                 target = *what;
 179                                 position = it;
 180                         }
 181                 }
 182         }
 183         return found;
 184 }
 185
 186
 187 void delete_opt(vector<string> & opts, char const * const * what)
 188 {
 189         if (opts.empty())
 190                 return;
 191
 192         // remove found options from the list
 193         // do this after handle_opt to avoid potential memory leaks
 194         vector<string>::iterator it;
 195         for (; *what; ++what) {
 196                 it = find(opts.begin(), opts.end(), *what);
 197                 if (it != opts.end())
 198                         opts.erase(it);
 199         }
 200 }
 201
 202
 203 /*!
 204  * Split a package options string (keyval format) into a vector.
 205  * Example input:
 206  *   authorformat=smallcaps,
 207  *   commabeforerest,
 208  *   titleformat=colonsep,
 209  *   bibformat={tabular,ibidem,numbered}
 210  */
 211 vector<string> split_options(string const & input)
 212 {
 213         vector<string> options;
 214         string option;
 215         Parser p(input);
 216         while (p.good()) {
 217                 Token const & t = p.get_token();
 218                 if (t.asInput() == ",") {
 219                         options.push_back(trim(option));
 220                         option.erase();
 221                 } else if (t.asInput() == "=") {
 222                         option += '=';
 223                         p.skip_spaces(true);
 224                         if (p.next_token().asInput() == "{")
 225                                 option += '{' + p.getArg('{', '}') + '}';
 226                 } else if (t.cat() != catSpace)
 227                         option += t.asInput();
 228         }
 229
 230         if (!option.empty())
 231                 options.push_back(trim(option));
 232
 233         return options;
 234 }
 235
 236
 237 /*!
 238  * Add package \p name with options \p options to used_packages.
 239  * Remove options from \p options that we don't want to output.
 240  */
 241 void add_package(string const & name, vector<string> & options)
 242 {
 243         // every package inherits the global options
 244         if (used_packages.find(name) == used_packages.end())
 245                 used_packages[name] = split_options(h_options);
 246
 247         vector<string> & v = used_packages[name];
 248         v.insert(v.end(), options.begin(), options.end());
 249         if (name == "jurabib") {
 250                 // Don't output the order argument (see the cite command
 251                 // handling code in text.cpp).
 252                 vector<string>::iterator end =
 253                         remove(options.begin(), options.end(), "natbiborder");
 254                 end = remove(options.begin(), end, "jurabiborder");
 255                 options.erase(end, options.end());
 256         }
 257 }
 258
 259
 260 // Given is a string like "scaled=0.9", return 0.9 * 100
 261 string const scale_as_percentage(string const & scale)
 262 {
 263         string::size_type pos = scale.find('=');
 264         if (pos != string::npos) {
 265                 string value = scale.substr(pos + 1);
 266                 if (isStrDbl(value))
 267                         return convert<string>(100 * convert<double>(value));
 268         }
 269         // If the input string didn't match our expectations.
 270         // return the default value "100"
 271         return "100";
 272 }
 273
 274
 275 void handle_package(Parser &p, string const & name, string const & opts,
 276                     bool in_lyx_preamble)
 277 {
 278         vector<string> options = split_options(opts);
 279         add_package(name, options);
 280         string scale;
 281
 282         // roman fonts
 283         if (is_known(name, known_roman_fonts)) {
 284                 h_font_roman = name;
 285                 p.skip_spaces();
 286         }
 287
 288         if (name == "fourier") {
 289                 h_font_roman = "utopia";
 290                 // when font uses real small capitals
 291                 if (opts == "expert")
 292                         h_font_sc = "true";
 293         }
 294
 295         if (name == "mathpazo")
 296                 h_font_roman = "palatino";
 297
 298         if (name == "mathptmx")
 299                 h_font_roman = "times";
 300
 301         // sansserif fonts
 302         if (is_known(name, known_sans_fonts)) {
 303                 h_font_sans = name;
 304                 if (!opts.empty()) {
 305                         scale = opts;
 306                         h_font_sf_scale = scale_as_percentage(scale);
 307                 }
 308         }
 309
 310         // typewriter fonts
 311         if (is_known(name, known_typewriter_fonts)) {
 312                 h_font_typewriter = name;
 313                 if (!opts.empty()) {
 314                         scale = opts;
 315                         h_font_tt_scale = scale_as_percentage(scale);
 316                 }
 317         }
 318
 319         // font uses old-style figure
 320         if (name == "eco")
 321                 h_font_osf = "true";
 322
 323         else if (name == "amsmath" || name == "amssymb")
 324                 h_use_amsmath = "2";
 325
 326         else if (name == "esint")
 327                 h_use_esint = "2";
 328
 329         else if (name == "babel" && !opts.empty()) {
 330                 // check if more than one option was used - used later for inputenc
 331                 // in case inputenc is parsed before babel, set the encoding to auto
 332                 if (options.begin() != options.end() - 1) {
 333                         one_language = false;
 334                         h_inputencoding = "auto";
 335                 }
 336                 // babel takes the last language of the option of its \usepackage
 337                 // call as document language. If there is no such language option, the
 338                 // last language in the documentclass options is used.
 339                 handle_opt(options, known_languages, h_language);
 340                 delete_opt(options, known_languages);
 341         }
 342
 343         else if (name == "fontenc")
 344                  ;// ignore this
 345
 346         else if (name == "inputenc") {
 347                 // h_inputencoding is only set when there is not more than one
 348                 // inputenc option because otherwise h_inputencoding must be
 349                 // set to "auto" (the default encoding of the document language)
 350                 // Therefore check for the "," character.
 351                 // It is also only set when there is not more then one babel
 352                 // language option but this is handled in the routine for babel.
 353                 if (opts.find(",") == string::npos && one_language == true)
 354                         h_inputencoding = opts;
 355                 if (!options.empty())
 356                         p.setEncoding(options.back());
 357                 options.clear();
 358         }
 359
 360         else if (name == "makeidx")
 361                 ; // ignore this
 362
 363         else if (name == "prettyref")
 364                 ; // ignore this
 365
 366         else if (name == "varioref")
 367                 ; // ignore this
 368
 369         else if (name == "verbatim")
 370                 ; // ignore this
 371
 372         else if (name == "nomencl")
 373                 ; // ignore this
 374
 375         else if (name == "textcomp")
 376                 ; // ignore this
 377
 378         else if (name == "url")
 379                 ; // ignore this
 380
 381         else if (name == "color") {
 382                 // with the following command this package is only loaded when needed for
 383                 // undefined colors, since we only support the predefined colors
 384                 h_preamble << "\\@ifundefined{definecolor}\n {\\usepackage{color}}{}\n";
 385         }
 386
 387         else if (name == "graphicx")
 388                 ; // ignore this
 389
 390         else if (name == "setspace")
 391                 ; // ignore this
 392
 393         else if (name == "geometry")
 394                 ; // Ignore this, the geometry settings are made by the \geometry
 395                   // command. This command is handled below.
 396
 397         else if (is_known(name, known_languages))
 398                 h_language = name;
 399
 400         else if (name == "natbib") {
 401                 h_cite_engine = "natbib_authoryear";
 402                 vector<string>::iterator it =
 403                         find(options.begin(), options.end(), "authoryear");
 404                 if (it != options.end())
 405                         options.erase(it);
 406                 else {
 407                         it = find(options.begin(), options.end(), "numbers");
 408                         if (it != options.end()) {
 409                                 h_cite_engine = "natbib_numerical";
 410                                 options.erase(it);
 411                         }
 412                 }
 413         }
 414
 415         else if (name == "jurabib")
 416                 h_cite_engine = "jurabib";
 417
 418         else if (!in_lyx_preamble) {
 419                 if (options.empty())
 420                         h_preamble << "\\usepackage{" << name << "}";
 421                 else {
 422                         h_preamble << "\\usepackage[" << opts << "]{"
 423                                    << name << "}";
 424                         options.clear();
 425                 }
 426         }
 427
 428         // We need to do something with the options...
 429         if (!options.empty())
 430                 cerr << "Ignoring options '" << join(options, ",")
 431                      << "' of package " << name << '.' << endl;
 432
 433         // remove the whitespace
 434         p.skip_spaces();
 435 }
 436
 437
 438
 439 void end_preamble(ostream & os, TextClass const & /*textclass*/)
 440 {
 441         // merge synonym languages
 442         if (is_known(h_language, known_brazilian_languages))
 443                 h_language = "brazilian";
 444         else if (is_known(h_language, known_french_languages))
 445                 h_language = "french";
 446         else if (is_known(h_language, known_german_languages))
 447                 h_language = "german";
 448         else if (is_known(h_language, known_ngerman_languages))
 449                 h_language = "ngerman";
 450         else if (is_known(h_language, known_portuguese_languages))
 451                 h_language = "portuguese";
 452         else if (is_known(h_language, known_russian_languages))
 453                 h_language = "russian";
 454         else if (is_known(h_language, known_ukrainian_languages))
 455                 h_language = "ukrainian";
 456
 457         // set the quote language
 458         // LyX only knows the following quotes languages:
 459         // english, swedish, german, polish, french and danish
 460         // (quotes for "japanese" and "chinese-traditional" are missing)
 461         // conversion list taken from
 462         // http://en.wikipedia.org/wiki/Quotation_mark,_non-English_usage
 463         // (quotes for kazakh and interlingua are unknown)
 464         // danish
 465         if (h_language == "danish")
 466                 h_quotes_language = "danish";
 467         // french
 468         else if (is_known(h_language, known_french_quotes_languages)
 469                 || is_known(h_language, known_french_languages)
 470                 || is_known(h_language, known_russian_languages)
 471                 || is_known(h_language, known_ukrainian_languages))
 472                 h_quotes_language = "french";
 473         // german
 474         else if (is_known(h_language, known_german_quotes_languages)
 475                 || is_known(h_language, known_german_languages)
 476                 || is_known(h_language, known_ngerman_languages))
 477                 h_quotes_language = "german";
 478         // polish
 479         else if (is_known(h_language, known_polish_quotes_languages))
 480                 h_quotes_language = "polish";
 481         // swedish
 482         else if (is_known(h_language, known_swedish_quotes_languages))
 483                 h_quotes_language = "swedish";
 484         //english
 485         else if (is_known(h_language, known_english_quotes_languages)
 486                 || is_known(h_language, known_brazilian_languages)
 487                 || is_known(h_language, known_portuguese_languages))
 488                 h_quotes_language = "english";
 489
 490         // output the LyX file settings
 491         os << "#LyX file created by tex2lyx " << PACKAGE_VERSION << "\n"
 492            << "\\lyxformat 264\n"
 493            << "\\begin_document\n"
 494            << "\\begin_header\n"
 495            << "\\textclass " << h_textclass << "\n";
 496         if (!h_preamble.str().empty())
 497                 os << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n";
 498         if (!h_options.empty())
 499                 os << "\\options " << h_options << "\n";
 500         os << "\\language " << h_language << "\n"
 501            << "\\inputencoding " << h_inputencoding << "\n"
 502            << "\\font_roman " << h_font_roman << "\n"
 503            << "\\font_sans " << h_font_sans << "\n"
 504            << "\\font_typewriter " << h_font_typewriter << "\n"
 505            << "\\font_default_family " << h_font_default_family << "\n"
 506            << "\\font_sc " << h_font_sc << "\n"
 507            << "\\font_osf " << h_font_osf << "\n"
 508            << "\\font_sf_scale " << h_font_sf_scale << "\n"
 509            << "\\font_tt_scale " << h_font_tt_scale << "\n"
 510            << "\\graphics " << h_graphics << "\n"
 511            << "\\paperfontsize " << h_paperfontsize << "\n"
 512            << "\\spacing " << h_spacing << "\n"
 513            << "\\papersize " << h_papersize << "\n"
 514            << "\\use_geometry " << h_use_geometry << "\n"
 515            << "\\use_amsmath " << h_use_amsmath << "\n"
 516            << "\\use_esint " << h_use_esint << "\n"
 517            << "\\cite_engine " << h_cite_engine << "\n"
 518            << "\\use_bibtopic " << h_use_bibtopic << "\n"
 519            << "\\paperorientation " << h_paperorientation << "\n"
 520            << h_margins
 521            << "\\secnumdepth " << h_secnumdepth << "\n"
 522            << "\\tocdepth " << h_tocdepth << "\n"
 523            << "\\paragraph_separation " << h_paragraph_separation << "\n"
 524            << "\\defskip " << h_defskip << "\n"
 525            << "\\quotes_language " << h_quotes_language << "\n"
 526            << "\\papercolumns " << h_papercolumns << "\n"
 527            << "\\papersides " << h_papersides << "\n"
 528            << "\\paperpagestyle " << h_paperpagestyle << "\n"
 529            << "\\tracking_changes " << h_tracking_changes << "\n"
 530            << "\\output_changes " << h_output_changes << "\n"
 531            << "\\end_header\n\n"
 532            << "\\begin_body\n";
 533         // clear preamble for subdocuments
 534         h_preamble.str("");
 535 }
 536
 537 } // anonymous namespace
 538
 539 void parse_preamble(Parser & p, ostream & os,
 540         string const & forceclass, TeX2LyXDocClass & tc)
 541 {
 542         // initialize fixed types
 543         special_columns['D'] = 3;
 544         bool is_full_document = false;
 545         bool is_lyx_file = false;
 546         bool in_lyx_preamble = false;
 547
 548         // determine whether this is a full document or a fragment for inclusion
 549         while (p.good()) {
 550                 Token const & t = p.get_token();
 551
 552                 if (t.cat() == catEscape && t.cs() == "documentclass") {
 553                         is_full_document = true;
 554                         break;
 555                 }
 556         }
 557         p.reset();
 558
 559         while (is_full_document && p.good()) {
 560                 Token const & t = p.get_token();
 561
 562 #ifdef FILEDEBUG
 563                 cerr << "t: " << t << "\n";
 564 #endif
 565
 566                 //
 567                 // cat codes
 568                 //
 569                 if (!in_lyx_preamble &&
 570                     (t.cat() == catLetter ||
 571                      t.cat() == catSuper ||
 572                      t.cat() == catSub ||
 573                      t.cat() == catOther ||
 574                      t.cat() == catMath ||
 575                      t.cat() == catActive ||
 576                      t.cat() == catBegin ||
 577                      t.cat() == catEnd ||
 578                      t.cat() == catAlign ||
 579                      t.cat() == catParameter))
 580                         h_preamble << t.cs();
 581
 582                 else if (!in_lyx_preamble &&
 583                          (t.cat() == catSpace || t.cat() == catNewline))
 584                         h_preamble << t.asInput();
 585
 586                 else if (t.cat() == catComment) {
 587                         // regex to parse comments (currently not used)
 588                         static regex const islyxfile("%% LyX .* created this file");
 589                         static regex const usercommands("User specified LaTeX commands");
 590
 591                         string const comment = t.asInput();
 592
 593                         // magically switch encoding default if it looks like XeLaTeX
 594                         static string const magicXeLaTeX =
 595                                 "% This document must be compiled with XeLaTeX ";
 596                         if (comment.size() > magicXeLaTeX.size()
 597                                   && comment.substr(0, magicXeLaTeX.size()) == magicXeLaTeX
 598                                   && h_inputencoding == "auto") {
 599                                 cerr << "XeLaTeX comment found, switching to UTF8\n";
 600                                 h_inputencoding = "utf8";
 601                         }
 602                         smatch sub;
 603                         if (regex_search(comment, sub, islyxfile)) {
 604                                 is_lyx_file = true;
 605                                 in_lyx_preamble = true;
 606                         } else if (is_lyx_file
 607                                    && regex_search(comment, sub, usercommands))
 608                                 in_lyx_preamble = false;
 609                         else if (!in_lyx_preamble)
 610                                 h_preamble << t.asInput();
 611                 }
 612
 613                 else if (t.cs() == "pagestyle")
 614                         h_paperpagestyle = p.verbatim_item();
 615
 616                 else if (t.cs() == "makeatletter") {
 617                         // LyX takes care of this
 618                         p.setCatCode('@', catLetter);
 619                 }
 620
 621                 else if (t.cs() == "makeatother") {
 622                         // LyX takes care of this
 623                         p.setCatCode('@', catOther);
 624                 }
 625
 626                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 627                             || t.cs() == "providecommand"
 628                                 || t.cs() == "DeclareRobustCommand"
 629                                 || t.cs() == "ProvideTextCommandDefault"
 630                                 || t.cs() == "DeclareMathAccent") {
 631                         bool star = false;
 632                         if (p.next_token().character() == '*') {
 633                                 p.get_token();
 634                                 star = true;
 635                         }
 636                         string const name = p.verbatim_item();
 637                         string const opt1 = p.getOpt();
 638                         string const opt2 = p.getFullOpt();
 639                         string const body = p.verbatim_item();
 640                         // font settings
 641                         if (name == "\\rmdefault")
 642                                 if (is_known(body, known_roman_fonts))
 643                                         h_font_roman = body;
 644                         if (name == "\\sfdefault")
 645                                 if (is_known(body, known_sans_fonts))
 646                                         h_font_sans = body;
 647                         if (name == "\\ttdefault")
 648                                 if (is_known(body, known_typewriter_fonts))
 649                                         h_font_typewriter = body;
 650                         if (name == "\\familydefault") {
 651                                 string family = body;
 652                                 // remove leading "\"
 653                                 h_font_default_family = family.erase(0,1);
 654                         }
 655                         // only non-lyxspecific stuff
 656                         if (!in_lyx_preamble) {
 657                                 ostringstream ss;
 658                                 ss << '\\' << t.cs();
 659                                 if (star)
 660                                         ss << '*';
 661                                 ss << '{' << name << '}' << opt1 << opt2
 662                                    << '{' << body << "}";
 663                                 h_preamble << ss.str();
 664
 665                                 // Add the command to the known commands
 666                                 add_known_command(name, opt1, !opt2.empty());
 667 /*
 668                                 ostream & out = in_preamble ? h_preamble : os;
 669                                 out << "\\" << t.cs() << "{" << name << "}"
 670                                     << opts << "{" << body << "}";
 671 */
 672                         }
 673                 }
 674
 675                 else if (t.cs() == "documentclass") {
 676                         vector<string>::iterator it;
 677                         vector<string> opts = split_options(p.getArg('[', ']'));
 678                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 679                         delete_opt(opts, known_fontsizes);
 680                         // delete "pt" at the end
 681                         string::size_type i = h_paperfontsize.find("pt");
 682                         if (i != string::npos)
 683                                 h_paperfontsize.erase(i);
 684                         // The documentclass options are always parsed before the options
 685                         // of the babel call so that a language cannot overwrite the babel
 686                         // options.
 687                         handle_opt(opts, known_languages, h_language);
 688                         delete_opt(opts, known_languages);
 689
 690                         // paper orientation
 691                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 692                                 h_paperorientation = "landscape";
 693                                 opts.erase(it);
 694                         }
 695                         // paper sides
 696                         if ((it = find(opts.begin(), opts.end(), "oneside"))
 697                                  != opts.end()) {
 698                                 h_papersides = "1";
 699                                 opts.erase(it);
 700                         }
 701                         if ((it = find(opts.begin(), opts.end(), "twoside"))
 702                                  != opts.end()) {
 703                                 h_papersides = "2";
 704                                 opts.erase(it);
 705                         }
 706                         // paper columns
 707                         if ((it = find(opts.begin(), opts.end(), "onecolumn"))
 708                                  != opts.end()) {
 709                                 h_papercolumns = "1";
 710                                 opts.erase(it);
 711                         }
 712                         if ((it = find(opts.begin(), opts.end(), "twocolumn"))
 713                                  != opts.end()) {
 714                                 h_papercolumns = "2";
 715                                 opts.erase(it);
 716                         }
 717                         // paper sizes
 718                         // some size options are know to any document classes, other sizes
 719                         // are handled by the \geometry command of the geometry package
 720                         handle_opt(opts, known_class_paper_sizes, h_papersize);
 721                         delete_opt(opts, known_class_paper_sizes);
 722                         // the remaining options
 723                         h_options = join(opts, ",");
 724                         h_textclass = p.getArg('{', '}');
 725                 }
 726
 727                 else if (t.cs() == "usepackage") {
 728                         string const options = p.getArg('[', ']');
 729                         string const name = p.getArg('{', '}');
 730                         vector<string> vecnames;
 731                         split(name, vecnames, ',');
 732                         vector<string>::const_iterator it  = vecnames.begin();
 733                         vector<string>::const_iterator end = vecnames.end();
 734                         for (; it != end; ++it)
 735                                 handle_package(p, trim(*it), options,
 736                                                in_lyx_preamble);
 737                 }
 738
 739                 else if (t.cs() == "inputencoding") {
 740                         string const encoding = p.getArg('{','}');
 741                         h_inputencoding = encoding;
 742                         p.setEncoding(encoding);
 743                 }
 744
 745                 else if (t.cs() == "newenvironment") {
 746                         string const name = p.getArg('{', '}');
 747                         ostringstream ss;
 748                         ss << "\\newenvironment{" << name << "}";
 749                         ss << p.getOpt();
 750                         ss << p.getOpt();
 751                         ss << '{' << p.verbatim_item() << '}';
 752                         ss << '{' << p.verbatim_item() << '}';
 753                         if (!in_lyx_preamble)
 754                                 h_preamble << ss.str();
 755                 }
 756
 757                 else if (t.cs() == "def") {
 758                         string name = p.get_token().cs();
 759                         while (p.next_token().cat() != catBegin)
 760                                 name += p.get_token().cs();
 761                         if (!in_lyx_preamble)
 762                                 h_preamble << "\\def\\" << name << '{'
 763                                            << p.verbatim_item() << "}";
 764                 }
 765
 766                 else if (t.cs() == "newcolumntype") {
 767                         string const name = p.getArg('{', '}');
 768                         trim(name);
 769                         int nargs = 0;
 770                         string opts = p.getOpt();
 771                         if (!opts.empty()) {
 772                                 istringstream is(string(opts, 1));
 773                                 is >> nargs;
 774                         }
 775                         special_columns[name[0]] = nargs;
 776                         h_preamble << "\\newcolumntype{" << name << "}";
 777                         if (nargs)
 778                                 h_preamble << "[" << nargs << "]";
 779                         h_preamble << "{" << p.verbatim_item() << "}";
 780                 }
 781
 782                 else if (t.cs() == "setcounter") {
 783                         string const name = p.getArg('{', '}');
 784                         string const content = p.getArg('{', '}');
 785                         if (name == "secnumdepth")
 786                                 h_secnumdepth = content;
 787                         else if (name == "tocdepth")
 788                                 h_tocdepth = content;
 789                         else
 790                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}";
 791                 }
 792
 793                 else if (t.cs() == "setlength") {
 794                         string const name = p.verbatim_item();
 795                         string const content = p.verbatim_item();
 796                         // the paragraphs are only not indented when \parindent is set to zero
 797                         if (name == "\\parindent" && content != "") {
 798                                 if (content[0] == '0')
 799                                         h_paragraph_separation = "skip";
 800                         } else if (name == "\\parskip") {
 801                                 if (content == "\\smallskipamount")
 802                                         h_defskip = "smallskip";
 803                                 else if (content == "\\medskipamount")
 804                                         h_defskip = "medskip";
 805                                 else if (content == "\\bigskipamount")
 806                                         h_defskip = "bigskip";
 807                                 else
 808                                         h_defskip = content;
 809                         } else
 810                                 h_preamble << "\\setlength{" << name << "}{" << content << "}";
 811                 }
 812
 813                 else if (t.cs() == "onehalfspacing")
 814                         h_spacing = "onehalf";
 815
 816                 else if (t.cs() == "doublespacing")
 817                         h_spacing = "double";
 818
 819                 else if (t.cs() == "setstretch")
 820                         h_spacing = "other " + p.verbatim_item();
 821
 822                 else if (t.cs() == "begin") {
 823                         string const name = p.getArg('{', '}');
 824                         if (name == "document")
 825                                 break;
 826                         h_preamble << "\\begin{" << name << "}";
 827                 }
 828
 829                 else if (t.cs() == "geometry") {
 830                         h_use_geometry = "true";
 831                         vector<string> opts = split_options(p.getArg('{', '}'));
 832                         vector<string>::iterator it;
 833                         // paper orientation
 834                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 835                                 h_paperorientation = "landscape";
 836                                 opts.erase(it);
 837                         }
 838                         // paper size
 839                         handle_opt(opts, known_paper_sizes, h_papersize);
 840                         delete_opt(opts, known_paper_sizes);
 841                         // page margins
 842                         char const * const * margin = known_paper_margins;
 843                         int k = -1;
 844                         for (; *margin; ++margin) {
 845                                 k += 1;
 846                                 // search for the "=" in e.g. "lmargin=2cm" to get the value
 847                                 for(size_t i = 0; i != opts.size(); i++) {
 848                                         if (opts.at(i).find(*margin) != string::npos) {
 849                                                 string::size_type pos = opts.at(i).find("=");
 850                                                 string value = opts.at(i).substr(pos + 1);
 851                                                 string name = known_coded_paper_margins[k];
 852                                                 h_margins += "\\" + name + " " + value + "\n";
 853                                         }
 854                                 }
 855                         }
 856                 }
 857
 858                 else if (t.cs() == "jurabibsetup") {
 859                         vector<string> jurabibsetup =
 860                                 split_options(p.getArg('{', '}'));
 861                         // add jurabibsetup to the jurabib package options
 862                         add_package("jurabib", jurabibsetup);
 863                         if (!jurabibsetup.empty()) {
 864                                 h_preamble << "\\jurabibsetup{"
 865                                            << join(jurabibsetup, ",") << '}';
 866                         }
 867                 }
 868
 869                 else if (!t.cs().empty() && !in_lyx_preamble)
 870                         h_preamble << '\\' << t.cs();
 871
 872                 // remove the whitespace
 873                 p.skip_spaces();
 874         }
 875
 876         // remove the whitespace
 877         p.skip_spaces();
 878
 879         // Force textclass if the user wanted it
 880         if (!forceclass.empty())
 881                 h_textclass = forceclass;
 882         if (noweb_mode && !prefixIs(h_textclass, "literate-"))
 883                 h_textclass.insert(0, "literate-");
 884         FileName layoutfilename = libFileSearch("layouts", h_textclass, "layout");
 885         if (layoutfilename.empty()) {
 886                 cerr << "Error: Could not find layout file for textclass \"" << h_textclass << "\"." << endl;
 887                 exit(1);
 888         }
 889         tc.read(layoutfilename);
 890         if (h_papersides.empty()) {
 891                 ostringstream ss;
 892                 ss << tc.sides();
 893                 h_papersides = ss.str();
 894         }
 895         end_preamble(os, tc);
 896 }
 897
 898 // }])
 899
 900
 901 } // namespace lyx