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 // to avoid that the babel options overwrite the documentclass options
  53 bool documentclass_language;
  54
  55 namespace {
  56
  57 const char * const known_languages[] = { "afrikaans", "american", "arabic",
  58 "austrian", "bahasa", "basque", "belarusian", "brazil", "breton", "british",
  59 "bulgarian", "canadian", "canadien", "catalan", "croatian", "czech", "danish",
  60 "dutch", "english", "esperanto", "estonian", "finnish", "francais", "french",
  61 "frenchb", "frenchle", "frenchpro", "galician", "german", "germanb", "greek",
  62 "hebrew", "icelandic", "irish", "italian", "lsorbian", "magyar", "naustrian",
  63 "ngerman", "ngermanb", "norsk", "nynorsk", "polish", "portuges", "romanian",
  64 "russian", "russianb", "scottish", "serbian", "slovak", "slovene", "spanish",
  65 "swedish", "thai", "turkish", "ukraineb", "ukrainian", "usorbian", "welsh", 0};
  66
  67 //note this when updating to lyxformat 305:
  68 //bahasai, indonesian, and indon = equal to bahasa
  69 //malay, and meyalu = equal to bahasam
  70
  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_russian_languages[] = {"russian", "russianb", 0};
  76 const char * const known_ukrainian_languages[] = {"ukrainian", "ukraineb", 0};
  77
  78 char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
  79
  80 const char * const known_roman_fonts[] = { "ae", "bookman", "charter",
  81 "cmr", "fourier", "lmodern", "mathpazo", "mathptmx", "newcent", 0};
  82
  83 const char * const known_sans_fonts[] = { "avant", "berasans", "cmbr", "cmss",
  84 "helvet", "lmss", 0};
  85
  86 const char * const known_typewriter_fonts[] = { "beramono", "cmtl", "cmtt",
  87 "courier", "lmtt", "luximono", "fourier", "lmodern", "mathpazo", "mathptmx",
  88 "newcent", 0};
  89
  90 const char * const known_paper_sizes[] = { "a3paper", "b3paper", "a4paper",
  91 "b4paper", "a5paper", "b5paper", "executivepaper", "legalpaper",
  92 "letterpaper", 0};
  93
  94 const char * const known_class_paper_sizes[] = { "a4paper", "a5paper",
  95 "executivepaper", "legalpaper", "letterpaper", 0};
  96
  97 const char * const known_paper_margins[] = { "lmargin", "tmargin", "rmargin",
  98 "bmargin", "headheight", "headsep", "footskip", "columnsep", 0};
  99
 100 const char * const known_coded_paper_margins[] = { "leftmargin", "topmargin",
 101 "rightmargin", "bottommargin", "headheight", "headsep", "footskip",
 102 "columnsep", 0};
 103
 104 // default settings
 105 ostringstream h_preamble;
 106 string h_textclass               = "article";
 107 string h_options                 = string();
 108 string h_language                = "english";
 109 string h_inputencoding           = "auto";
 110 string h_font_roman              = "default";
 111 string h_font_sans               = "default";
 112 string h_font_typewriter         = "default";
 113 string h_font_default_family     = "default";
 114 string h_font_sc                 = "false";
 115 string h_font_osf                = "false";
 116 string h_font_sf_scale           = "100";
 117 string h_font_tt_scale           = "100";
 118 string h_graphics                = "default";
 119 string h_paperfontsize           = "default";
 120 string h_spacing                 = "single";
 121 string h_papersize               = "default";
 122 string h_use_geometry            = "false";
 123 string h_use_amsmath             = "1";
 124 string h_use_esint               = "1";
 125 string h_cite_engine             = "basic";
 126 string h_use_bibtopic            = "false";
 127 string h_paperorientation        = "portrait";
 128 string h_secnumdepth             = "3";
 129 string h_tocdepth                = "3";
 130 string h_paragraph_separation    = "indent";
 131 string h_defskip                 = "medskip";
 132 string h_quotes_language         = "english";
 133 string h_papercolumns            = "1";
 134 string h_papersides              = string();
 135 string h_paperpagestyle          = "default";
 136 string h_tracking_changes        = "false";
 137 string h_output_changes          = "false";
 138 string h_margins                 = "";
 139
 140
 141 void handle_opt(vector<string> & opts, char const * const * what, string & target)
 142 {
 143         if (opts.empty())
 144                 return;
 145
 146         // the last language option is the document language (for babel and LyX)
 147         // the last size option is the document font size
 148         vector<string>::iterator it;
 149         vector<string>::iterator position = opts.begin();
 150         for (; *what; ++what) {
 151                 it = find(opts.begin(), opts.end(), *what);
 152                 if (it != opts.end()) {
 153                         documentclass_language = true;
 154                         if (it >= position) {
 155                                 target = *what;
 156                                 position = it;
 157                         }
 158                 }
 159         }
 160 }
 161
 162
 163 void delete_opt(vector<string> & opts, char const * const * what)
 164 {
 165         if (opts.empty())
 166                 return;
 167
 168         // remove found options from the list
 169         // do this after handle_opt to avoid potential memory leaks and to be able
 170         // to find in every case the last language option
 171         vector<string>::iterator it;
 172         for (; *what; ++what) {
 173                 it = find(opts.begin(), opts.end(), *what);
 174                 if (it != opts.end())
 175                         opts.erase(it);
 176         }
 177 }
 178
 179
 180 /*!
 181  * Split a package options string (keyval format) into a vector.
 182  * Example input:
 183  *   authorformat=smallcaps,
 184  *   commabeforerest,
 185  *   titleformat=colonsep,
 186  *   bibformat={tabular,ibidem,numbered}
 187  */
 188 vector<string> split_options(string const & input)
 189 {
 190         vector<string> options;
 191         string option;
 192         Parser p(input);
 193         while (p.good()) {
 194                 Token const & t = p.get_token();
 195                 if (t.asInput() == ",") {
 196                         options.push_back(trim(option));
 197                         option.erase();
 198                 } else if (t.asInput() == "=") {
 199                         option += '=';
 200                         p.skip_spaces(true);
 201                         if (p.next_token().asInput() == "{")
 202                                 option += '{' + p.getArg('{', '}') + '}';
 203                 } else if (t.cat() != catSpace)
 204                         option += t.asInput();
 205         }
 206
 207         if (!option.empty())
 208                 options.push_back(trim(option));
 209
 210         return options;
 211 }
 212
 213
 214 /*!
 215  * Add package \p name with options \p options to used_packages.
 216  * Remove options from \p options that we don't want to output.
 217  */
 218 void add_package(string const & name, vector<string> & options)
 219 {
 220         // every package inherits the global options
 221         if (used_packages.find(name) == used_packages.end())
 222                 used_packages[name] = split_options(h_options);
 223
 224         vector<string> & v = used_packages[name];
 225         v.insert(v.end(), options.begin(), options.end());
 226         if (name == "jurabib") {
 227                 // Don't output the order argument (see the cite command
 228                 // handling code in text.cpp).
 229                 vector<string>::iterator end =
 230                         remove(options.begin(), options.end(), "natbiborder");
 231                 end = remove(options.begin(), end, "jurabiborder");
 232                 options.erase(end, options.end());
 233         }
 234 }
 235
 236
 237 // Given is a string like "scaled=0.9", return 0.9 * 100
 238 string const scale_as_percentage(string const & scale)
 239 {
 240         string::size_type pos = scale.find('=');
 241         if (pos != string::npos) {
 242                 string value = scale.substr(pos + 1);
 243                 if (isStrDbl(value))
 244                         return convert<string>(100 * convert<double>(value));
 245         }
 246         // If the input string didn't match our expectations.
 247         // return the default value "100"
 248         return "100";
 249 }
 250
 251
 252 void handle_package(Parser &p, string const & name, string const & opts,
 253                     bool in_lyx_preamble)
 254 {
 255         vector<string> options = split_options(opts);
 256         add_package(name, options);
 257         string scale;
 258
 259         // roman fonts
 260         if (is_known(name, known_roman_fonts)) {
 261                 h_font_roman = name;
 262                 p.skip_spaces();
 263         }
 264
 265         if (name == "fourier") {
 266                 h_font_roman = "utopia";
 267                 // when font uses real small capitals
 268                 if (opts == "expert")
 269                         h_font_sc = "true";
 270                 p.skip_spaces();
 271         }
 272
 273         if (name == "mathpazo") {
 274                 h_font_roman = "palatino";
 275                 p.skip_spaces();
 276         }
 277
 278         if (name == "mathptmx") {
 279                 h_font_roman = "times";
 280                 p.skip_spaces();
 281         }
 282
 283         // sansserif fonts
 284         if (is_known(name, known_sans_fonts)) {
 285                 h_font_sans = name;
 286                 if (!opts.empty()) {
 287                         scale = opts;
 288                         h_font_sf_scale = scale_as_percentage(scale);
 289                 }
 290                 p.skip_spaces();
 291         }
 292
 293         // typewriter fonts
 294         if (is_known(name, known_typewriter_fonts)) {
 295                 h_font_typewriter = name;
 296                 if (!opts.empty()) {
 297                         scale = opts;
 298                         h_font_tt_scale = scale_as_percentage(scale);
 299                 }
 300                 p.skip_spaces();
 301         }
 302
 303         // font uses old-style figure
 304         if (name == "eco") {
 305                 h_font_osf = "true";
 306                 p.skip_spaces();
 307         }
 308
 309         else if (name == "amsmath" || name == "amssymb") {
 310                 h_use_amsmath = "2";
 311                 p.skip_spaces();
 312         }
 313
 314         else if (name == "esint") {
 315                 h_use_esint = "2";
 316                 p.skip_spaces();
 317         }
 318
 319         else if (name == "babel" && !opts.empty()) {
 320                 // check if more than one option was used - used later for inputenc
 321                 // in case inputenc is parsed before babel, set the encoding to auto
 322                 if (options.begin() != options.end() - 1) {
 323                         one_language = false;
 324                         h_inputencoding = "auto";
 325                 }
 326                 // only set the document language when there was not already one set
 327                 // via the documentclass options
 328                 // babel takes the the last language given in the documentclass options
 329                 // as document language. If there is no such language option, the last
 330                 // option of its \usepackage call is used.
 331                 if (documentclass_language == false) {
 332                         handle_opt(options, known_languages, h_language);
 333                         delete_opt(options, known_languages);
 334                         if (is_known(h_language, known_french_languages))
 335                                 h_language = "french";
 336                         else if (is_known(h_language, known_german_languages))
 337                                 h_language = "german";
 338                         else if (is_known(h_language, known_ngerman_languages))
 339                                 h_language = "ngerman";
 340                         else if (is_known(h_language, known_russian_languages))
 341                                 h_language = "russian";
 342                         else if (is_known(h_language, known_ukrainian_languages))
 343                                 h_language = "ukrainian";
 344                         h_quotes_language = h_language;
 345                 }
 346                 p.skip_spaces();
 347         }
 348
 349         else if (name == "fontenc")
 350                 p.skip_spaces(); // ignore this
 351
 352         else if (name == "inputenc") {
 353                 // only set when there is not more than one inputenc
 354                 // option therefore check for the "," character also
 355                 // only set when there is not more then one babel
 356                 // language option
 357                 if (opts.find(",") == string::npos && one_language == true) {
 358                         if (opts == "ascii")
 359                                 //change ascii to auto to be in the unicode range, see
 360                                 //http://bugzilla.lyx.org/show_bug.cgi?id=4719
 361                                 h_inputencoding = "auto";
 362                         else if (!opts.empty())
 363                                 h_inputencoding = opts;
 364                 }
 365                 if (!options.empty())
 366                         p.setEncoding(options.back());
 367                 options.clear();
 368                 p.skip_spaces();
 369         }
 370
 371         else if (name == "makeidx")
 372                 p.skip_spaces(); // ignore this
 373
 374         else if (name == "prettyref")
 375                 p.skip_spaces(); // ignore this
 376
 377         else if (name == "varioref")
 378                 p.skip_spaces(); // ignore this
 379
 380         else if (name == "verbatim")
 381                 p.skip_spaces(); // ignore this
 382
 383         else if (name == "url")
 384                 p.skip_spaces(); // ignore this
 385
 386         else if (name == "color") {
 387                 // with the following command this package is only loaded when needed for
 388                 // undefined colors, since we only support the predefined colors
 389                 h_preamble << "\\@ifundefined{definecolor}\n {\\usepackage{color}}{}\n";
 390                 p.skip_spaces();
 391         }
 392
 393         else if (name == "graphicx")
 394                 p.skip_spaces(); // ignore this
 395
 396         else if (name == "setspace")
 397                 p.skip_spaces(); // ignore this
 398
 399         else if (name == "geometry")
 400                 p.skip_spaces(); // Ignore this, the geometry settings are made by the \geometry
 401                   // command. This command is handled below.
 402
 403         else if (is_known(name, known_languages)) {
 404                 if (is_known(name, known_french_languages))
 405                         h_language = "french";
 406                 else if (is_known(name, known_german_languages))
 407                         h_language = "german";
 408                 else if (is_known(name, known_ngerman_languages))
 409                         h_language = "ngerman";
 410                 else if (is_known(name, known_russian_languages))
 411                         h_language = "russian";
 412                 else if (is_known(name, known_ukrainian_languages))
 413                         h_language = "ukrainian";
 414                 else
 415                         h_language = name;
 416                 h_quotes_language = h_language;
 417                 p.skip_spaces();
 418         }
 419
 420         else if (name == "natbib") {
 421                 h_cite_engine = "natbib_authoryear";
 422                 vector<string>::iterator it =
 423                         find(options.begin(), options.end(), "authoryear");
 424                 if (it != options.end())
 425                         options.erase(it);
 426                 else {
 427                         it = find(options.begin(), options.end(), "numbers");
 428                         if (it != options.end()) {
 429                                 h_cite_engine = "natbib_numerical";
 430                                 options.erase(it);
 431                         }
 432                 }
 433                 p.skip_spaces();
 434         }
 435
 436         else if (name == "jurabib") {
 437                 h_cite_engine = "jurabib";
 438                 p.skip_spaces();
 439         }
 440
 441         else if (!in_lyx_preamble) {
 442                 if (options.empty())
 443                         h_preamble << "\\usepackage{" << name << "}";
 444                 else {
 445                         h_preamble << "\\usepackage[" << opts << "]{"
 446                                    << name << "}";
 447                         options.clear();
 448                 }
 449         }
 450
 451         // We need to do something with the options...
 452         if (!options.empty())
 453                 cerr << "Ignoring options '" << join(options, ",")
 454                      << "' of package " << name << '.' << endl;
 455 }
 456
 457
 458
 459 void end_preamble(ostream & os, TextClass const & /*textclass*/)
 460 {
 461         os << "#LyX file created by tex2lyx " << PACKAGE_VERSION << "\n"
 462            << "\\lyxformat 257\n"
 463            << "\\begin_document\n"
 464            << "\\begin_header\n"
 465            << "\\textclass " << h_textclass << "\n";
 466         if (!h_preamble.str().empty())
 467                 os << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n";
 468         if (!h_options.empty())
 469                 os << "\\options " << h_options << "\n";
 470         os << "\\language " << h_language << "\n"
 471            << "\\inputencoding " << h_inputencoding << "\n"
 472            << "\\font_roman " << h_font_roman << "\n"
 473            << "\\font_sans " << h_font_sans << "\n"
 474            << "\\font_typewriter " << h_font_typewriter << "\n"
 475            << "\\font_default_family " << h_font_default_family << "\n"
 476            << "\\font_sc " << h_font_sc << "\n"
 477            << "\\font_osf " << h_font_osf << "\n"
 478            << "\\font_sf_scale " << h_font_sf_scale << "\n"
 479            << "\\font_tt_scale " << h_font_tt_scale << "\n"
 480            << "\\graphics " << h_graphics << "\n"
 481            << "\\paperfontsize " << h_paperfontsize << "\n"
 482            << "\\spacing " << h_spacing << "\n"
 483            << "\\papersize " << h_papersize << "\n"
 484            << "\\use_geometry " << h_use_geometry << "\n"
 485            << "\\use_amsmath " << h_use_amsmath << "\n"
 486            << "\\use_esint " << h_use_esint << "\n"
 487            << "\\cite_engine " << h_cite_engine << "\n"
 488            << "\\use_bibtopic " << h_use_bibtopic << "\n"
 489            << "\\paperorientation " << h_paperorientation << "\n"
 490            << h_margins
 491            << "\\secnumdepth " << h_secnumdepth << "\n"
 492            << "\\tocdepth " << h_tocdepth << "\n"
 493            << "\\paragraph_separation " << h_paragraph_separation << "\n"
 494            << "\\defskip " << h_defskip << "\n"
 495            << "\\quotes_language " << h_quotes_language << "\n"
 496            << "\\papercolumns " << h_papercolumns << "\n"
 497            << "\\papersides " << h_papersides << "\n"
 498            << "\\paperpagestyle " << h_paperpagestyle << "\n"
 499            << "\\tracking_changes " << h_tracking_changes << "\n"
 500            << "\\output_changes " << h_output_changes << "\n"
 501            << "\\end_header\n\n"
 502            << "\\begin_body\n";
 503         // clear preamble for subdocuments
 504         h_preamble.str("");
 505 }
 506
 507 } // anonymous namespace
 508
 509 void parse_preamble(Parser & p, ostream & os,
 510         string const & forceclass, TeX2LyXDocClass & tc)
 511 {
 512         // initialize fixed types
 513         special_columns['D'] = 3;
 514         bool is_full_document = false;
 515         bool is_lyx_file = false;
 516         bool in_lyx_preamble = false;
 517
 518         // determine whether this is a full document or a fragment for inclusion
 519         while (p.good()) {
 520                 Token const & t = p.get_token();
 521
 522                 if (t.cat() == catEscape && t.cs() == "documentclass") {
 523                         is_full_document = true;
 524                         break;
 525                 }
 526         }
 527         p.reset();
 528
 529         while (is_full_document && p.good()) {
 530                 Token const & t = p.get_token();
 531
 532 #ifdef FILEDEBUG
 533                 cerr << "t: " << t << "\n";
 534 #endif
 535
 536                 //
 537                 // cat codes
 538                 //
 539                 if (!in_lyx_preamble &&
 540                     (t.cat() == catLetter ||
 541                      t.cat() == catSuper ||
 542                      t.cat() == catSub ||
 543                      t.cat() == catOther ||
 544                      t.cat() == catMath ||
 545                      t.cat() == catActive ||
 546                      t.cat() == catBegin ||
 547                      t.cat() == catEnd ||
 548                      t.cat() == catAlign ||
 549                      t.cat() == catParameter))
 550                         h_preamble << t.character();
 551
 552                 else if (!in_lyx_preamble &&
 553                          (t.cat() == catSpace || t.cat() == catNewline))
 554                         h_preamble << t.asInput();
 555
 556                 else if (t.cat() == catComment) {
 557                         // regex to parse comments
 558                         static regex const islyxfile("%% LyX .* created this file");
 559                         static regex const usercommands("User specified LaTeX commands");
 560
 561                         string const comment = t.asInput();
 562
 563                         // magically switch encoding default if it looks like XeLaTeX
 564                         static string const magicXeLaTeX =
 565                                 "% This document must be compiled with XeLaTeX ";
 566                         if (comment.size() > magicXeLaTeX.size()
 567                                   && comment.substr(0, magicXeLaTeX.size()) == magicXeLaTeX
 568                                   && h_inputencoding == "auto") {
 569                                 cerr << "XeLaTeX comment found, switching to UTF8\n";
 570                                 h_inputencoding = "utf8";
 571                         }
 572
 573                         smatch sub;
 574                         if (regex_search(comment, sub, islyxfile)) {
 575                                 is_lyx_file = true;
 576                                 in_lyx_preamble = true;
 577                         } else if (is_lyx_file
 578                                    && regex_search(comment, sub, usercommands))
 579                                 in_lyx_preamble = false;
 580                         else if (!in_lyx_preamble)
 581                                 h_preamble << t.asInput();
 582                 }
 583
 584                 else if (t.cs() == "pagestyle")
 585                         h_paperpagestyle = p.verbatim_item();
 586
 587                 else if (t.cs() == "makeatletter") {
 588                         if (!is_lyx_file || !in_lyx_preamble
 589                             || p.getCatCode('@') != catLetter)
 590                                 h_preamble << "\\makeatletter";
 591                         p.setCatCode('@', catLetter);
 592                 }
 593
 594                 else if (t.cs() == "makeatother") {
 595                         if (!is_lyx_file || !in_lyx_preamble
 596                             || p.getCatCode('@') != catOther)
 597                                 h_preamble << "\\makeatother";
 598                         p.setCatCode('@', catOther);
 599                 }
 600
 601                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 602                             || t.cs() == "providecommand") {
 603                         bool star = false;
 604                         if (p.next_token().character() == '*') {
 605                                 p.get_token();
 606                                 star = true;
 607                         }
 608                         string const name = p.verbatim_item();
 609                         string const opt1 = p.getOpt();
 610                         string const opt2 = p.getFullOpt();
 611                         string const body = p.verbatim_item();
 612                         // font settings
 613                         if (name == "\\rmdefault")
 614                                 if (is_known(body, known_roman_fonts))
 615                                         h_font_roman = body;
 616
 617                         if (name == "\\sfdefault")
 618                                 if (is_known(body, known_sans_fonts))
 619                                         h_font_sans = body;
 620
 621                         if (name == "\\ttdefault")
 622                                 if (is_known(body, known_typewriter_fonts))
 623                                         h_font_typewriter = body;
 624
 625                         if (name == "\\familydefault") {
 626                                 string family = body;
 627                                 // remove leading "\"
 628                                 h_font_default_family = family.erase(0,1);
 629                         }
 630                         // only non-lyxspecific stuff
 631                         if (!in_lyx_preamble) {
 632                                 ostringstream ss;
 633                                 ss << '\\' << t.cs();
 634                                 if (star)
 635                                         ss << '*';
 636                                 ss << '{' << name << '}' << opt1 << opt2
 637                                    << '{' << body << "}";
 638                                 h_preamble << ss.str();
 639
 640                                 // Add the command to the known commands
 641                                 add_known_command(name, opt1, !opt2.empty());
 642 /*
 643                                 ostream & out = in_preamble ? h_preamble : os;
 644                                 out << "\\" << t.cs() << "{" << name << "}"
 645                                     << opts << "{" << body << "}";
 646 */
 647                         }
 648                 }
 649
 650                 else if (t.cs() == "documentclass") {
 651                         vector<string>::iterator it;
 652                         vector<string> opts = split_options(p.getArg('[', ']'));
 653                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 654                         delete_opt(opts, known_fontsizes);
 655                         // delete "pt" at the end
 656                         string::size_type i = h_paperfontsize.find("pt");
 657                         if (i != string::npos)
 658                                 h_paperfontsize.erase(i);
 659                         // to avoid that the babel options overwrite the documentclass options
 660                         documentclass_language = false;
 661                         handle_opt(opts, known_languages, h_language);
 662                         delete_opt(opts, known_languages);
 663                         if (is_known(h_language, known_french_languages))
 664                                 h_language = "french";
 665                         else if (is_known(h_language, known_german_languages))
 666                                 h_language = "german";
 667                         else if (is_known(h_language, known_ngerman_languages))
 668                                 h_language = "ngerman";
 669                         else if (is_known(h_language, known_russian_languages))
 670                                 h_language = "russian";
 671                         else if (is_known(h_language, known_ukrainian_languages))
 672                                 h_language = "ukrainian";
 673                         h_quotes_language = h_language;
 674                         // paper orientation
 675                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 676                                 h_paperorientation = "landscape";
 677                                 opts.erase(it);
 678                         }
 679                         // paper sides
 680                         if ((it = find(opts.begin(), opts.end(), "oneside"))
 681                                  != opts.end()) {
 682                                 h_papersides = "1";
 683                                 opts.erase(it);
 684                         }
 685                         if ((it = find(opts.begin(), opts.end(), "twoside"))
 686                                  != opts.end()) {
 687                                 h_papersides = "2";
 688                                 opts.erase(it);
 689                         }
 690                         // paper columns
 691                         if ((it = find(opts.begin(), opts.end(), "onecolumn"))
 692                                  != opts.end()) {
 693                                 h_papercolumns = "1";
 694                                 opts.erase(it);
 695                         }
 696                         if ((it = find(opts.begin(), opts.end(), "twocolumn"))
 697                                  != opts.end()) {
 698                                 h_papercolumns = "2";
 699                                 opts.erase(it);
 700                         }
 701                         // paper sizes
 702                         // some size options are know to any document classes, other sizes
 703                         // are handled by the \geometry command of the geometry package
 704                         handle_opt(opts, known_class_paper_sizes, h_papersize);
 705                         delete_opt(opts, known_class_paper_sizes);
 706                         // the remaining options
 707                         h_options = join(opts, ",");
 708                         h_textclass = p.getArg('{', '}');
 709                 }
 710
 711                 else if (t.cs() == "usepackage") {
 712                         string const options = p.getArg('[', ']');
 713                         string const name = p.getArg('{', '}');
 714                         vector<string> vecnames;
 715                         split(name, vecnames, ',');
 716                         vector<string>::const_iterator it  = vecnames.begin();
 717                         vector<string>::const_iterator end = vecnames.end();
 718                         for (; it != end; ++it)
 719                                 handle_package(p, trim(*it), options,
 720                                                in_lyx_preamble);
 721                 }
 722
 723                 else if (t.cs() == "inputencoding") {
 724                         string const encoding = p.getArg('{','}');
 725                         h_inputencoding = encoding;
 726                         p.setEncoding(encoding);
 727                 }
 728
 729                 else if (t.cs() == "newenvironment") {
 730                         string const name = p.getArg('{', '}');
 731                         ostringstream ss;
 732                         ss << "\\newenvironment{" << name << "}";
 733                         ss << p.getOpt();
 734                         ss << p.getOpt();
 735                         ss << '{' << p.verbatim_item() << '}';
 736                         ss << '{' << p.verbatim_item() << '}';
 737                         if (!in_lyx_preamble)
 738                                 h_preamble << ss.str();
 739                 }
 740
 741                 else if (t.cs() == "def") {
 742                         string name = p.get_token().cs();
 743                         while (p.next_token().cat() != catBegin)
 744                                 name += p.get_token().asString();
 745                         if (!in_lyx_preamble)
 746                                 h_preamble << "\\def\\" << name << '{'
 747                                            << p.verbatim_item() << "}";
 748                 }
 749
 750                 else if (t.cs() == "newcolumntype") {
 751                         string const name = p.getArg('{', '}');
 752                         trim(name);
 753                         int nargs = 0;
 754                         string opts = p.getOpt();
 755                         if (!opts.empty()) {
 756                                 istringstream is(string(opts, 1));
 757                                 is >> nargs;
 758                         }
 759                         special_columns[name[0]] = nargs;
 760                         h_preamble << "\\newcolumntype{" << name << "}";
 761                         if (nargs)
 762                                 h_preamble << "[" << nargs << "]";
 763                         h_preamble << "{" << p.verbatim_item() << "}";
 764                 }
 765
 766                 else if (t.cs() == "setcounter") {
 767                         string const name = p.getArg('{', '}');
 768                         string const content = p.getArg('{', '}');
 769                         if (name == "secnumdepth")
 770                                 h_secnumdepth = content;
 771                         else if (name == "tocdepth")
 772                                 h_tocdepth = content;
 773                         else
 774                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}";
 775                 }
 776
 777                 else if (t.cs() == "setlength") {
 778                         string const name = p.verbatim_item();
 779                         string const content = p.verbatim_item();
 780                         // the paragraphs are only not indented when \parindent is set to zero
 781                         if (name == "\\parindent" && content != "") {
 782                                 if (content[0] == '0')
 783                                         h_paragraph_separation = "skip";
 784                         } else if (name == "\\parskip") {
 785                                 if (content == "\\smallskipamount")
 786                                         h_defskip = "smallskip";
 787                                 else if (content == "\\medskipamount")
 788                                         h_defskip = "medskip";
 789                                 else if (content == "\\bigskipamount")
 790                                         h_defskip = "bigskip";
 791                                 else
 792                                         h_defskip = content;
 793                         } else
 794                                 h_preamble << "\\setlength{" << name << "}{" << content << "}";
 795                 }
 796
 797                 else if (t.cs() == "onehalfspacing")
 798                         h_spacing = "onehalf";
 799
 800                 else if (t.cs() == "doublespacing")
 801                         h_spacing = "double";
 802
 803                 else if (t.cs() == "setstretch")
 804                         h_spacing = "other " + p.verbatim_item();
 805
 806                 else if (t.cs() == "begin") {
 807                         string const name = p.getArg('{', '}');
 808                         if (name == "document")
 809                                 break;
 810                         h_preamble << "\\begin{" << name << "}";
 811                 }
 812
 813                 else if (t.cs() == "geometry") {
 814                         h_use_geometry = "true";
 815                         vector<string> opts = split_options(p.getArg('{', '}'));
 816                         vector<string>::iterator it;
 817                         // paper orientation
 818                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 819                                 h_paperorientation = "landscape";
 820                                 opts.erase(it);
 821                         }
 822                         // paper size
 823                         handle_opt(opts, known_paper_sizes, h_papersize);
 824                         delete_opt(opts, known_paper_sizes);
 825                         // page margins
 826                         char const * const * margin = known_paper_margins;
 827                         int k = -1;
 828                         for (; *margin; ++margin) {
 829                                 k += 1;
 830                                 // search for the "=" in e.g. "lmargin=2cm" to get the value
 831                                 for(size_t i = 0; i != opts.size(); i++) {
 832                                         if (opts.at(i).find(*margin) != string::npos) {
 833                                                 string::size_type pos = opts.at(i).find("=");
 834                                                 string value = opts.at(i).substr(pos + 1);
 835                                                 string name = known_coded_paper_margins[k];
 836                                                 h_margins += "\\" + name + " " + value + "\n";
 837                                         }
 838                                 }
 839                         }
 840                 }
 841
 842                 else if (t.cs() == "jurabibsetup") {
 843                         vector<string> jurabibsetup =
 844                                 split_options(p.getArg('{', '}'));
 845                         // add jurabibsetup to the jurabib package options
 846                         add_package("jurabib", jurabibsetup);
 847                         if (!jurabibsetup.empty()) {
 848                                 h_preamble << "\\jurabibsetup{"
 849                                            << join(jurabibsetup, ",") << '}';
 850                         }
 851                 }
 852
 853                 else if (!t.cs().empty() && !in_lyx_preamble)
 854                         h_preamble << '\\' << t.cs();
 855         }
 856         p.skip_spaces();
 857
 858         // Force textclass if the user wanted it
 859         if (!forceclass.empty())
 860                 h_textclass = forceclass;
 861         if (noweb_mode && !prefixIs(h_textclass, "literate-"))
 862                 h_textclass.insert(0, "literate-");
 863         FileName layoutfilename = libFileSearch("layouts", h_textclass, "layout");
 864         if (layoutfilename.empty()) {
 865                 cerr << "Error: Could not find layout file for textclass \"" << h_textclass << "\"." << endl;
 866                 exit(1);
 867         }
 868         tc.read(layoutfilename);
 869         if (h_papersides.empty()) {
 870                 ostringstream ss;
 871                 ss << tc.sides();
 872                 h_papersides = ss.str();
 873         }
 874         end_preamble(os, tc);
 875 }
 876
 877 // }])
 878
 879
 880 } // namespace lyx