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 "support/regex.h"
  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
  40
  41 namespace lyx {
  42
  43 // special columntypes
  44 extern map<char, int> special_columns;
  45
  46 map<string, vector<string> > used_packages;
  47
  48 // needed to handle encodings with babel
  49 bool one_language = true;
  50
  51 namespace {
  52
  53 //add these to known_languages when updating to lyxformat 268:
  54 //"chinese-simplified", "chinese-traditional", "japanese", "korean"
  55 const char * const known_languages[] = { "afrikaans", "american", "arabic",
  56 "austrian", "bahasa", "basque", "belarusian", "brazil", "brazilian", "breton",
  57 "british", "bulgarian", "canadian", "canadien", "catalan", "croatian", "czech",
  58 "danish", "dutch", "english", "esperanto", "estonian", "finnish", "francais",
  59 "french", "frenchb", "frenchle", "frenchpro", "galician", "german", "germanb",
  60 "greek", "hebrew", "icelandic", "irish", "italian", "kazakh", "lsorbian", "magyar",
  61 "naustrian", "ngerman", "ngermanb", "norsk", "nynorsk", "polish", "portuges",
  62 "portuguese", "romanian", "russian", "russianb", "scottish", "serbian", "slovak",
  63 "slovene", "spanish", "swedish", "thai", "turkish", "ukraineb", "ukrainian",
  64 "usorbian", "welsh", 0};
  65
  66 //add this when updating to lyxformat 305:
  67 //bahasai, indonesian, and indon = equal to bahasa
  68 //malay and meyalu = equal to bahasam
  69 const char * const known_brazilian_languages[] = {"brazil", "brazilian", 0};
  70 const char * const known_french_languages[] = {"french", "frenchb", "francais",
  71                                                 "frenchle", "frenchpro", 0};
  72 const char * const known_german_languages[] = {"german", "germanb", 0};
  73 const char * const known_ngerman_languages[] = {"ngerman", "ngermanb", 0};
  74 const char * const known_portuguese_languages[] = {"portuges", "portuguese", 0};
  75 const char * const known_russian_languages[] = {"russian", "russianb", 0};
  76 const char * const known_ukrainian_languages[] = {"ukrainian", "ukraineb", 0};
  77
  78 //add these to known_english_quotes_languages when updating to lyxformat 268:
  79 //"chinese-simplified", "korean"
  80 const char * const known_english_quotes_languages[] = {"american", "canadian",
  81 "english", "esperanto", "hebrew", "irish", "scottish", "thai", 0};
  82
  83 //add this to known_french_quotes_languages when updating to lyxformat 327:
  84 //"spanish-mexico"
  85 const char * const known_french_quotes_languages[] = {"albanian", "arabic",
  86 "basque", "canadien", "catalan", "galician", "greek", "italian", "norsk",
  87 "nynorsk", "spanish", "turkish", 0};
  88
  89 const char * const known_german_quotes_languages[] = {"austrian", "bulgarian",
  90 "czech", "icelandic", "lithuanian", "lsorbian", "naustrian", "serbian",
  91 "serbian-latin", "slovak", "slovene", "usorbian",  0};
  92
  93 const char * const known_polish_quotes_languages[] = {"afrikaans", "croatian",
  94 "dutch", "estonian", "magyar", "polish", "romanian", 0};
  95
  96 const char * const known_swedish_quotes_languages[] = {"bahasa", "finnish",
  97 "swedish", 0};
  98
  99 char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
 100
 101 const char * const known_roman_fonts[] = { "ae", "bookman", "charter",
 102 "cmr", "fourier", "lmodern", "mathpazo", "mathptmx", "newcent", 0};
 103
 104 const char * const known_sans_fonts[] = { "avant", "berasans", "cmbr", "cmss",
 105 "helvet", "lmss", 0};
 106
 107 const char * const known_typewriter_fonts[] = { "beramono", "cmtl", "cmtt",
 108 "courier", "lmtt", "luximono", "fourier", "lmodern", "mathpazo", "mathptmx",
 109 "newcent", 0};
 110
 111 const char * const known_paper_sizes[] = { "a3paper", "b3paper", "a4paper",
 112 "b4paper", "a5paper", "b5paper", "executivepaper", "legalpaper",
 113 "letterpaper", 0};
 114
 115 const char * const known_class_paper_sizes[] = { "a4paper", "a5paper",
 116 "executivepaper", "legalpaper", "letterpaper", 0};
 117
 118 const char * const known_paper_margins[] = { "lmargin", "tmargin", "rmargin",
 119 "bmargin", "headheight", "headsep", "footskip", "columnsep", 0};
 120
 121 const char * const known_coded_paper_margins[] = { "leftmargin", "topmargin",
 122 "rightmargin", "bottommargin", "headheight", "headsep", "footskip",
 123 "columnsep", 0};
 124
 125 // default settings
 126 ostringstream h_preamble;
 127 string h_textclass               = "article";
 128 string h_options                 = string();
 129 string h_language                = "english";
 130 string h_inputencoding           = "auto";
 131 string h_font_roman              = "default";
 132 string h_font_sans               = "default";
 133 string h_font_typewriter         = "default";
 134 string h_font_default_family     = "default";
 135 string h_font_sc                 = "false";
 136 string h_font_osf                = "false";
 137 string h_font_sf_scale           = "100";
 138 string h_font_tt_scale           = "100";
 139 string h_graphics                = "default";
 140 string h_paperfontsize           = "default";
 141 string h_spacing                 = "single";
 142 string h_papersize               = "default";
 143 string h_use_geometry            = "false";
 144 string h_use_amsmath             = "1";
 145 string h_use_esint               = "1";
 146 string h_cite_engine             = "basic";
 147 string h_use_bibtopic            = "false";
 148 string h_paperorientation        = "portrait";
 149 string h_secnumdepth             = "3";
 150 string h_tocdepth                = "3";
 151 string h_paragraph_separation    = "indent";
 152 string h_defskip                 = "medskip";
 153 string h_quotes_language         = "english";
 154 string h_papercolumns            = "1";
 155 string h_papersides              = string();
 156 string h_paperpagestyle          = "default";
 157 string h_tracking_changes        = "false";
 158 string h_output_changes          = "false";
 159 string h_margins                 = "";
 160
 161 // returns true if at least one of the options in what has been found
 162 bool handle_opt(vector<string> & opts, char const * const * what, string & target)
 163 {
 164         if (opts.empty())
 165                 return false;
 166
 167         bool found = false;
 168         // the last language option is the document language (for babel and LyX)
 169         // the last size option is the document font size
 170         vector<string>::iterator it;
 171         vector<string>::iterator position = opts.begin();
 172         for (; *what; ++what) {
 173                 it = find(opts.begin(), opts.end(), *what);
 174                 if (it != opts.end()) {
 175                         if (it >= position) {
 176                                 found = true;
 177                                 target = *what;
 178                                 position = it;
 179                         }
 180                 }
 181         }
 182         return found;
 183 }
 184
 185
 186 void delete_opt(vector<string> & opts, char const * const * what)
 187 {
 188         if (opts.empty())
 189                 return;
 190
 191         // remove found options from the list
 192         // do this after handle_opt to avoid potential memory leaks
 193         vector<string>::iterator it;
 194         for (; *what; ++what) {
 195                 it = find(opts.begin(), opts.end(), *what);
 196                 if (it != opts.end())
 197                         opts.erase(it);
 198         }
 199 }
 200
 201
 202 /*!
 203  * Split a package options string (keyval format) into a vector.
 204  * Example input:
 205  *   authorformat=smallcaps,
 206  *   commabeforerest,
 207  *   titleformat=colonsep,
 208  *   bibformat={tabular,ibidem,numbered}
 209  */
 210 vector<string> split_options(string const & input)
 211 {
 212         vector<string> options;
 213         string option;
 214         Parser p(input);
 215         while (p.good()) {
 216                 Token const & t = p.get_token();
 217                 if (t.asInput() == ",") {
 218                         options.push_back(trim(option));
 219                         option.erase();
 220                 } else if (t.asInput() == "=") {
 221                         option += '=';
 222                         p.skip_spaces(true);
 223                         if (p.next_token().asInput() == "{")
 224                                 option += '{' + p.getArg('{', '}') + '}';
 225                 } else if (t.cat() != catSpace)
 226                         option += t.asInput();
 227         }
 228
 229         if (!option.empty())
 230                 options.push_back(trim(option));
 231
 232         return options;
 233 }
 234
 235
 236 /*!
 237  * Add package \p name with options \p options to used_packages.
 238  * Remove options from \p options that we don't want to output.
 239  */
 240 void add_package(string const & name, vector<string> & options)
 241 {
 242         // every package inherits the global options
 243         if (used_packages.find(name) == used_packages.end())
 244                 used_packages[name] = split_options(h_options);
 245
 246         vector<string> & v = used_packages[name];
 247         v.insert(v.end(), options.begin(), options.end());
 248         if (name == "jurabib") {
 249                 // Don't output the order argument (see the cite command
 250                 // handling code in text.cpp).
 251                 vector<string>::iterator end =
 252                         remove(options.begin(), options.end(), "natbiborder");
 253                 end = remove(options.begin(), end, "jurabiborder");
 254                 options.erase(end, options.end());
 255         }
 256 }
 257
 258
 259 // Given is a string like "scaled=0.9", return 0.9 * 100
 260 string const scale_as_percentage(string const & scale)
 261 {
 262         string::size_type pos = scale.find('=');
 263         if (pos != string::npos) {
 264                 string value = scale.substr(pos + 1);
 265                 if (isStrDbl(value))
 266                         return convert<string>(100 * convert<double>(value));
 267         }
 268         // If the input string didn't match our expectations.
 269         // return the default value "100"
 270         return "100";
 271 }
 272
 273
 274 void handle_package(Parser &p, string const & name, string const & opts,
 275                     bool in_lyx_preamble)
 276 {
 277         vector<string> options = split_options(opts);
 278         add_package(name, options);
 279         string scale;
 280
 281         // roman fonts
 282         if (is_known(name, known_roman_fonts)) {
 283                 h_font_roman = name;
 284                 p.skip_spaces();
 285         }
 286
 287         if (name == "fourier") {
 288                 h_font_roman = "utopia";
 289                 // when font uses real small capitals
 290                 if (opts == "expert")
 291                         h_font_sc = "true";
 292         }
 293
 294         if (name == "mathpazo")
 295                 h_font_roman = "palatino";
 296
 297         if (name == "mathptmx")
 298                 h_font_roman = "times";
 299
 300         // sansserif fonts
 301         if (is_known(name, known_sans_fonts)) {
 302                 h_font_sans = name;
 303                 if (!opts.empty()) {
 304                         scale = opts;
 305                         h_font_sf_scale = scale_as_percentage(scale);
 306                 }
 307         }
 308
 309         // typewriter fonts
 310         if (is_known(name, known_typewriter_fonts)) {
 311                 h_font_typewriter = name;
 312                 if (!opts.empty()) {
 313                         scale = opts;
 314                         h_font_tt_scale = scale_as_percentage(scale);
 315                 }
 316         }
 317
 318         // font uses old-style figure
 319         if (name == "eco")
 320                 h_font_osf = "true";
 321
 322         else if (name == "amsmath" || name == "amssymb")
 323                 h_use_amsmath = "2";
 324
 325         else if (name == "esint")
 326                 h_use_esint = "2";
 327
 328         else if (name == "babel" && !opts.empty()) {
 329                 // check if more than one option was used - used later for inputenc
 330                 // in case inputenc is parsed before babel, set the encoding to auto
 331                 if (options.begin() != options.end() - 1) {
 332                         one_language = false;
 333                         h_inputencoding = "auto";
 334                 }
 335                 // babel takes the last language of the option of its \usepackage
 336                 // call as document language. If there is no such language option, the
 337                 // last language in the documentclass options is used.
 338                 handle_opt(options, known_languages, h_language);
 339                 delete_opt(options, known_languages);
 340         }
 341
 342         else if (name == "fontenc")
 343                  ;// ignore this
 344
 345         else if (name == "inputenc") {
 346                 // h_inputencoding is only set when there is not more than one
 347                 // inputenc option because otherwise h_inputencoding must be
 348                 // set to "auto" (the default encoding of the document language)
 349                 // Therefore check for the "," character.
 350                 // It is also only set when there is not more then one babel
 351                 // language option but this is handled in the routine for babel.
 352                 if (opts.find(",") == string::npos && one_language == true)
 353                         h_inputencoding = opts;
 354                 if (!options.empty())
 355                         p.setEncoding(options.back());
 356                 options.clear();
 357         }
 358
 359         else if (name == "makeidx")
 360                 ; // ignore this
 361
 362         else if (name == "prettyref")
 363                 ; // ignore this
 364
 365         else if (name == "varioref")
 366                 ; // ignore this
 367
 368         else if (name == "verbatim")
 369                 ; // ignore this
 370
 371         else if (name == "nomencl")
 372                 ; // ignore this
 373
 374         else if (name == "textcomp")
 375                 ; // ignore this
 376
 377         else if (name == "url")
 378                 ; // ignore this
 379
 380         else if (LYX_FORMAT >= 408 && name == "subscript")
 381                 ; // ignore this
 382
 383         else if (name == "color") {
 384                 // with the following command this package is only loaded when needed for
 385                 // undefined colors, since we only support the predefined colors
 386                 h_preamble << "\\@ifundefined{definecolor}\n {\\usepackage{color}}{}\n";
 387         }
 388
 389         else if (name == "graphicx")
 390                 ; // ignore this
 391
 392         else if (name == "setspace")
 393                 ; // ignore this
 394
 395         else if (name == "geometry")
 396                 ; // Ignore this, the geometry settings are made by the \geometry
 397                   // command. This command is handled below.
 398
 399         else if (is_known(name, known_languages))
 400                 h_language = name;
 401
 402         else if (name == "natbib") {
 403                 h_cite_engine = "natbib_authoryear";
 404                 vector<string>::iterator it =
 405                         find(options.begin(), options.end(), "authoryear");
 406                 if (it != options.end())
 407                         options.erase(it);
 408                 else {
 409                         it = find(options.begin(), options.end(), "numbers");
 410                         if (it != options.end()) {
 411                                 h_cite_engine = "natbib_numerical";
 412                                 options.erase(it);
 413                         }
 414                 }
 415         }
 416
 417         else if (name == "jurabib")
 418                 h_cite_engine = "jurabib";
 419
 420         else if (!in_lyx_preamble) {
 421                 if (options.empty())
 422                         h_preamble << "\\usepackage{" << name << "}";
 423                 else {
 424                         h_preamble << "\\usepackage[" << opts << "]{"
 425                                    << name << "}";
 426                         options.clear();
 427                 }
 428         }
 429
 430         // We need to do something with the options...
 431         if (!options.empty())
 432                 cerr << "Ignoring options '" << join(options, ",")
 433                      << "' of package " << name << '.' << endl;
 434
 435         // remove the whitespace
 436         p.skip_spaces();
 437 }
 438
 439
 440
 441 void end_preamble(ostream & os, TextClass const & /*textclass*/)
 442 {
 443         // merge synonym languages
 444         if (is_known(h_language, known_brazilian_languages))
 445                 h_language = "brazilian";
 446         else if (is_known(h_language, known_french_languages))
 447                 h_language = "french";
 448         else if (is_known(h_language, known_german_languages))
 449                 h_language = "german";
 450         else if (is_known(h_language, known_ngerman_languages))
 451                 h_language = "ngerman";
 452         else if (is_known(h_language, known_portuguese_languages))
 453                 h_language = "portuguese";
 454         else if (is_known(h_language, known_russian_languages))
 455                 h_language = "russian";
 456         else if (is_known(h_language, known_ukrainian_languages))
 457                 h_language = "ukrainian";
 458
 459         // set the quote language
 460         // LyX only knows the following quotes languages:
 461         // english, swedish, german, polish, french and danish
 462         // (quotes for "japanese" and "chinese-traditional" are missing because
 463         //  they wouldn't be useful: http://www.lyx.org/trac/ticket/6383)
 464         // conversion list taken from
 465         // http://en.wikipedia.org/wiki/Quotation_mark,_non-English_usage
 466         // (quotes for kazakh and interlingua are unknown)
 467         // danish
 468         if (h_language == "danish")
 469                 h_quotes_language = "danish";
 470         // french
 471         else if (is_known(h_language, known_french_quotes_languages)
 472                 || is_known(h_language, known_french_languages)
 473                 || is_known(h_language, known_russian_languages)
 474                 || is_known(h_language, known_ukrainian_languages))
 475                 h_quotes_language = "french";
 476         // german
 477         else if (is_known(h_language, known_german_quotes_languages)
 478                 || is_known(h_language, known_german_languages)
 479                 || is_known(h_language, known_ngerman_languages))
 480                 h_quotes_language = "german";
 481         // polish
 482         else if (is_known(h_language, known_polish_quotes_languages))
 483                 h_quotes_language = "polish";
 484         // swedish
 485         else if (is_known(h_language, known_swedish_quotes_languages))
 486                 h_quotes_language = "swedish";
 487         //english
 488         else if (is_known(h_language, known_english_quotes_languages)
 489                 || is_known(h_language, known_brazilian_languages)
 490                 || is_known(h_language, known_portuguese_languages))
 491                 h_quotes_language = "english";
 492
 493         // output the LyX file settings
 494         os << "#LyX file created by tex2lyx " << PACKAGE_VERSION << "\n"
 495            << "\\lyxformat " << LYX_FORMAT << '\n'
 496            << "\\begin_document\n"
 497            << "\\begin_header\n"
 498            << "\\textclass " << h_textclass << "\n";
 499         if (!h_preamble.str().empty())
 500                 os << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n";
 501         if (!h_options.empty())
 502                 os << "\\options " << h_options << "\n";
 503         os << "\\language " << h_language << "\n"
 504            << "\\inputencoding " << h_inputencoding << "\n"
 505            << "\\font_roman " << h_font_roman << "\n"
 506            << "\\font_sans " << h_font_sans << "\n"
 507            << "\\font_typewriter " << h_font_typewriter << "\n"
 508            << "\\font_default_family " << h_font_default_family << "\n"
 509            << "\\font_sc " << h_font_sc << "\n"
 510            << "\\font_osf " << h_font_osf << "\n"
 511            << "\\font_sf_scale " << h_font_sf_scale << "\n"
 512            << "\\font_tt_scale " << h_font_tt_scale << "\n"
 513            << "\\graphics " << h_graphics << "\n"
 514            << "\\paperfontsize " << h_paperfontsize << "\n"
 515            << "\\spacing " << h_spacing << "\n"
 516            << "\\papersize " << h_papersize << "\n"
 517            << "\\use_geometry " << h_use_geometry << "\n"
 518            << "\\use_amsmath " << h_use_amsmath << "\n"
 519            << "\\use_esint " << h_use_esint << "\n"
 520            << "\\cite_engine " << h_cite_engine << "\n"
 521            << "\\use_bibtopic " << h_use_bibtopic << "\n"
 522            << "\\paperorientation " << h_paperorientation << "\n"
 523            << h_margins
 524            << "\\secnumdepth " << h_secnumdepth << "\n"
 525            << "\\tocdepth " << h_tocdepth << "\n"
 526            << "\\paragraph_separation " << h_paragraph_separation << "\n"
 527            << "\\defskip " << h_defskip << "\n"
 528            << "\\quotes_language " << h_quotes_language << "\n"
 529            << "\\papercolumns " << h_papercolumns << "\n"
 530            << "\\papersides " << h_papersides << "\n"
 531            << "\\paperpagestyle " << h_paperpagestyle << "\n"
 532            << "\\tracking_changes " << h_tracking_changes << "\n"
 533            << "\\output_changes " << h_output_changes << "\n"
 534            << "\\end_header\n\n"
 535            << "\\begin_body\n";
 536         // clear preamble for subdocuments
 537         h_preamble.str("");
 538 }
 539
 540 } // anonymous namespace
 541
 542 void parse_preamble(Parser & p, ostream & os,
 543         string const & forceclass, TeX2LyXDocClass & tc)
 544 {
 545         // initialize fixed types
 546         special_columns['D'] = 3;
 547         bool is_full_document = false;
 548         bool is_lyx_file = false;
 549         bool in_lyx_preamble = false;
 550
 551         // determine whether this is a full document or a fragment for inclusion
 552         while (p.good()) {
 553                 Token const & t = p.get_token();
 554
 555                 if (t.cat() == catEscape && t.cs() == "documentclass") {
 556                         is_full_document = true;
 557                         break;
 558                 }
 559         }
 560         p.reset();
 561
 562         while (is_full_document && p.good()) {
 563                 Token const & t = p.get_token();
 564
 565 #ifdef FILEDEBUG
 566                 cerr << "t: " << t << "\n";
 567 #endif
 568
 569                 //
 570                 // cat codes
 571                 //
 572                 if (!in_lyx_preamble &&
 573                     (t.cat() == catLetter ||
 574                      t.cat() == catSuper ||
 575                      t.cat() == catSub ||
 576                      t.cat() == catOther ||
 577                      t.cat() == catMath ||
 578                      t.cat() == catActive ||
 579                      t.cat() == catBegin ||
 580                      t.cat() == catEnd ||
 581                      t.cat() == catAlign ||
 582                      t.cat() == catParameter))
 583                         h_preamble << t.cs();
 584
 585                 else if (!in_lyx_preamble &&
 586                          (t.cat() == catSpace || t.cat() == catNewline))
 587                         h_preamble << t.asInput();
 588
 589                 else if (t.cat() == catComment) {
 590                         // regex to parse comments (currently not used)
 591                         static regex const islyxfile("%% LyX .* created this file");
 592                         static regex const usercommands("User specified LaTeX commands");
 593
 594                         string const comment = t.asInput();
 595
 596                         // magically switch encoding default if it looks like XeLaTeX
 597                         static string const magicXeLaTeX =
 598                                 "% This document must be compiled with XeLaTeX ";
 599                         if (comment.size() > magicXeLaTeX.size()
 600                                   && comment.substr(0, magicXeLaTeX.size()) == magicXeLaTeX
 601                                   && h_inputencoding == "auto") {
 602                                 cerr << "XeLaTeX comment found, switching to UTF8\n";
 603                                 h_inputencoding = "utf8";
 604                         }
 605                         smatch sub;
 606                         if (regex_search(comment, sub, islyxfile)) {
 607                                 is_lyx_file = true;
 608                                 in_lyx_preamble = true;
 609                         } else if (is_lyx_file
 610                                    && regex_search(comment, sub, usercommands))
 611                                 in_lyx_preamble = false;
 612                         else if (!in_lyx_preamble)
 613                                 h_preamble << t.asInput();
 614                 }
 615
 616                 else if (t.cs() == "pagestyle")
 617                         h_paperpagestyle = p.verbatim_item();
 618
 619                 else if (t.cs() == "makeatletter") {
 620                         // LyX takes care of this
 621                         p.setCatCode('@', catLetter);
 622                 }
 623
 624                 else if (t.cs() == "makeatother") {
 625                         // LyX takes care of this
 626                         p.setCatCode('@', catOther);
 627                 }
 628
 629                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 630                             || t.cs() == "providecommand"
 631                                 || t.cs() == "DeclareRobustCommand"
 632                                 || t.cs() == "ProvideTextCommandDefault"
 633                                 || t.cs() == "DeclareMathAccent") {
 634                         bool star = false;
 635                         if (p.next_token().character() == '*') {
 636                                 p.get_token();
 637                                 star = true;
 638                         }
 639                         string const name = p.verbatim_item();
 640                         string const opt1 = p.getOpt();
 641                         string const opt2 = p.getFullOpt();
 642                         string const body = p.verbatim_item();
 643                         // font settings
 644                         if (name == "\\rmdefault")
 645                                 if (is_known(body, known_roman_fonts))
 646                                         h_font_roman = body;
 647                         if (name == "\\sfdefault")
 648                                 if (is_known(body, known_sans_fonts))
 649                                         h_font_sans = body;
 650                         if (name == "\\ttdefault")
 651                                 if (is_known(body, known_typewriter_fonts))
 652                                         h_font_typewriter = body;
 653                         if (name == "\\familydefault") {
 654                                 string family = body;
 655                                 // remove leading "\"
 656                                 h_font_default_family = family.erase(0,1);
 657                         }
 658                         // only non-lyxspecific stuff
 659                         if (!in_lyx_preamble) {
 660                                 ostringstream ss;
 661                                 ss << '\\' << t.cs();
 662                                 if (star)
 663                                         ss << '*';
 664                                 ss << '{' << name << '}' << opt1 << opt2
 665                                    << '{' << body << "}";
 666                                 h_preamble << ss.str();
 667
 668                                 // Add the command to the known commands
 669                                 add_known_command(name, opt1, !opt2.empty());
 670 /*
 671                                 ostream & out = in_preamble ? h_preamble : os;
 672                                 out << "\\" << t.cs() << "{" << name << "}"
 673                                     << opts << "{" << body << "}";
 674 */
 675                         }
 676                 }
 677
 678                 else if (t.cs() == "documentclass") {
 679                         vector<string>::iterator it;
 680                         vector<string> opts = split_options(p.getArg('[', ']'));
 681                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 682                         delete_opt(opts, known_fontsizes);
 683                         // delete "pt" at the end
 684                         string::size_type i = h_paperfontsize.find("pt");
 685                         if (i != string::npos)
 686                                 h_paperfontsize.erase(i);
 687                         // The documentclass options are always parsed before the options
 688                         // of the babel call so that a language cannot overwrite the babel
 689                         // options.
 690                         handle_opt(opts, known_languages, h_language);
 691                         delete_opt(opts, known_languages);
 692
 693                         // paper orientation
 694                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 695                                 h_paperorientation = "landscape";
 696                                 opts.erase(it);
 697                         }
 698                         // paper sides
 699                         if ((it = find(opts.begin(), opts.end(), "oneside"))
 700                                  != opts.end()) {
 701                                 h_papersides = "1";
 702                                 opts.erase(it);
 703                         }
 704                         if ((it = find(opts.begin(), opts.end(), "twoside"))
 705                                  != opts.end()) {
 706                                 h_papersides = "2";
 707                                 opts.erase(it);
 708                         }
 709                         // paper columns
 710                         if ((it = find(opts.begin(), opts.end(), "onecolumn"))
 711                                  != opts.end()) {
 712                                 h_papercolumns = "1";
 713                                 opts.erase(it);
 714                         }
 715                         if ((it = find(opts.begin(), opts.end(), "twocolumn"))
 716                                  != opts.end()) {
 717                                 h_papercolumns = "2";
 718                                 opts.erase(it);
 719                         }
 720                         // paper sizes
 721                         // some size options are know to any document classes, other sizes
 722                         // are handled by the \geometry command of the geometry package
 723                         handle_opt(opts, known_class_paper_sizes, h_papersize);
 724                         delete_opt(opts, known_class_paper_sizes);
 725                         // the remaining options
 726                         h_options = join(opts, ",");
 727                         h_textclass = p.getArg('{', '}');
 728                 }
 729
 730                 else if (t.cs() == "usepackage") {
 731                         string const options = p.getArg('[', ']');
 732                         string const name = p.getArg('{', '}');
 733                         vector<string> vecnames;
 734                         split(name, vecnames, ',');
 735                         vector<string>::const_iterator it  = vecnames.begin();
 736                         vector<string>::const_iterator end = vecnames.end();
 737                         for (; it != end; ++it)
 738                                 handle_package(p, trim(*it), options,
 739                                                in_lyx_preamble);
 740                 }
 741
 742                 else if (t.cs() == "inputencoding") {
 743                         string const encoding = p.getArg('{','}');
 744                         h_inputencoding = encoding;
 745                         p.setEncoding(encoding);
 746                 }
 747
 748                 else if (t.cs() == "newenvironment") {
 749                         string const name = p.getArg('{', '}');
 750                         ostringstream ss;
 751                         ss << "\\newenvironment{" << name << "}";
 752                         ss << p.getOpt();
 753                         ss << p.getOpt();
 754                         ss << '{' << p.verbatim_item() << '}';
 755                         ss << '{' << p.verbatim_item() << '}';
 756                         if (!in_lyx_preamble)
 757                                 h_preamble << ss.str();
 758                 }
 759
 760                 else if (t.cs() == "def") {
 761                         string name = p.get_token().cs();
 762                         while (p.next_token().cat() != catBegin)
 763                                 name += p.get_token().cs();
 764                         if (!in_lyx_preamble)
 765                                 h_preamble << "\\def\\" << name << '{'
 766                                            << p.verbatim_item() << "}";
 767                 }
 768
 769                 else if (t.cs() == "newcolumntype") {
 770                         string const name = p.getArg('{', '}');
 771                         trim(name);
 772                         int nargs = 0;
 773                         string opts = p.getOpt();
 774                         if (!opts.empty()) {
 775                                 istringstream is(string(opts, 1));
 776                                 is >> nargs;
 777                         }
 778                         special_columns[name[0]] = nargs;
 779                         h_preamble << "\\newcolumntype{" << name << "}";
 780                         if (nargs)
 781                                 h_preamble << "[" << nargs << "]";
 782                         h_preamble << "{" << p.verbatim_item() << "}";
 783                 }
 784
 785                 else if (t.cs() == "setcounter") {
 786                         string const name = p.getArg('{', '}');
 787                         string const content = p.getArg('{', '}');
 788                         if (name == "secnumdepth")
 789                                 h_secnumdepth = content;
 790                         else if (name == "tocdepth")
 791                                 h_tocdepth = content;
 792                         else
 793                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}";
 794                 }
 795
 796                 else if (t.cs() == "setlength") {
 797                         string const name = p.verbatim_item();
 798                         string const content = p.verbatim_item();
 799                         // the paragraphs are only not indented when \parindent is set to zero
 800                         if (name == "\\parindent" && content != "") {
 801                                 if (content[0] == '0')
 802                                         h_paragraph_separation = "skip";
 803                         } else if (name == "\\parskip") {
 804                                 if (content == "\\smallskipamount")
 805                                         h_defskip = "smallskip";
 806                                 else if (content == "\\medskipamount")
 807                                         h_defskip = "medskip";
 808                                 else if (content == "\\bigskipamount")
 809                                         h_defskip = "bigskip";
 810                                 else
 811                                         h_defskip = content;
 812                         } else
 813                                 h_preamble << "\\setlength{" << name << "}{" << content << "}";
 814                 }
 815
 816                 else if (t.cs() == "onehalfspacing")
 817                         h_spacing = "onehalf";
 818
 819                 else if (t.cs() == "doublespacing")
 820                         h_spacing = "double";
 821
 822                 else if (t.cs() == "setstretch")
 823                         h_spacing = "other " + p.verbatim_item();
 824
 825                 else if (t.cs() == "begin") {
 826                         string const name = p.getArg('{', '}');
 827                         if (name == "document")
 828                                 break;
 829                         h_preamble << "\\begin{" << name << "}";
 830                 }
 831
 832                 else if (t.cs() == "geometry") {
 833                         h_use_geometry = "true";
 834                         vector<string> opts = split_options(p.getArg('{', '}'));
 835                         vector<string>::iterator it;
 836                         // paper orientation
 837                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 838                                 h_paperorientation = "landscape";
 839                                 opts.erase(it);
 840                         }
 841                         // paper size
 842                         handle_opt(opts, known_paper_sizes, h_papersize);
 843                         delete_opt(opts, known_paper_sizes);
 844                         // page margins
 845                         char const * const * margin = known_paper_margins;
 846                         int k = -1;
 847                         for (; *margin; ++margin) {
 848                                 k += 1;
 849                                 // search for the "=" in e.g. "lmargin=2cm" to get the value
 850                                 for(size_t i = 0; i != opts.size(); i++) {
 851                                         if (opts.at(i).find(*margin) != string::npos) {
 852                                                 string::size_type pos = opts.at(i).find("=");
 853                                                 string value = opts.at(i).substr(pos + 1);
 854                                                 string name = known_coded_paper_margins[k];
 855                                                 h_margins += "\\" + name + " " + value + "\n";
 856                                         }
 857                                 }
 858                         }
 859                 }
 860
 861                 else if (t.cs() == "jurabibsetup") {
 862                         vector<string> jurabibsetup =
 863                                 split_options(p.getArg('{', '}'));
 864                         // add jurabibsetup to the jurabib package options
 865                         add_package("jurabib", jurabibsetup);
 866                         if (!jurabibsetup.empty()) {
 867                                 h_preamble << "\\jurabibsetup{"
 868                                            << join(jurabibsetup, ",") << '}';
 869                         }
 870                 }
 871
 872                 else if (!t.cs().empty() && !in_lyx_preamble)
 873                         h_preamble << '\\' << t.cs();
 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