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", "brazilian", "breton",
  59 "british", "bulgarian", "canadian", "canadien", "catalan", "croatian", "czech",
  60 "danish", "dutch", "english", "esperanto", "estonian", "finnish", "francais",
  61 "french", "frenchb", "frenchle", "frenchpro", "galician", "german", "germanb",
  62 "greek", "hebrew", "icelandic", "irish", "italian", "lsorbian", "magyar",
  63 "naustrian", "ngerman", "ngermanb", "norsk", "nynorsk", "polish", "portuges",
  64 "portuguese", "romanian", "russian", "russianb", "scottish", "serbian", "slovak",
  65 "slovene", "spanish", "swedish", "thai", "turkish", "ukraineb", "ukrainian",
  66 "usorbian", "welsh", 0};
  67
  68 //note this when updating to lyxformat 305:
  69 //bahasai, indonesian, and indon = equal to bahasa
  70 //malay and meyalu = equal to bahasam
  71
  72 const char * const known_brazilian_languages[] = {"brazil", "brazilian", 0};
  73 const char * const known_french_languages[] = {"french", "frenchb", "francais",
  74                                                 "frenchle", "frenchpro", 0};
  75 const char * const known_german_languages[] = {"german", "germanb", 0};
  76 const char * const known_ngerman_languages[] = {"ngerman", "ngermanb", 0};
  77 const char * const known_portuguese_languages[] = {"portuges", "portuguese", 0};
  78 const char * const known_russian_languages[] = {"russian", "russianb", 0};
  79 const char * const known_ukrainian_languages[] = {"ukrainian", "ukraineb", 0};
  80
  81 char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
  82
  83 const char * const known_roman_fonts[] = { "ae", "bookman", "charter",
  84 "cmr", "fourier", "lmodern", "mathpazo", "mathptmx", "newcent", 0};
  85
  86 const char * const known_sans_fonts[] = { "avant", "berasans", "cmbr", "cmss",
  87 "helvet", "lmss", 0};
  88
  89 const char * const known_typewriter_fonts[] = { "beramono", "cmtl", "cmtt",
  90 "courier", "lmtt", "luximono", "fourier", "lmodern", "mathpazo", "mathptmx",
  91 "newcent", 0};
  92
  93 const char * const known_paper_sizes[] = { "a3paper", "b3paper", "a4paper",
  94 "b4paper", "a5paper", "b5paper", "executivepaper", "legalpaper",
  95 "letterpaper", 0};
  96
  97 const char * const known_class_paper_sizes[] = { "a4paper", "a5paper",
  98 "executivepaper", "legalpaper", "letterpaper", 0};
  99
 100 const char * const known_paper_margins[] = { "lmargin", "tmargin", "rmargin",
 101 "bmargin", "headheight", "headsep", "footskip", "columnsep", 0};
 102
 103 const char * const known_coded_paper_margins[] = { "leftmargin", "topmargin",
 104 "rightmargin", "bottommargin", "headheight", "headsep", "footskip",
 105 "columnsep", 0};
 106
 107 // default settings
 108 ostringstream h_preamble;
 109 string h_textclass               = "article";
 110 string h_options                 = string();
 111 string h_language                = "english";
 112 string h_inputencoding           = "auto";
 113 string h_font_roman              = "default";
 114 string h_font_sans               = "default";
 115 string h_font_typewriter         = "default";
 116 string h_font_default_family     = "default";
 117 string h_font_sc                 = "false";
 118 string h_font_osf                = "false";
 119 string h_font_sf_scale           = "100";
 120 string h_font_tt_scale           = "100";
 121 string h_graphics                = "default";
 122 string h_paperfontsize           = "default";
 123 string h_spacing                 = "single";
 124 string h_papersize               = "default";
 125 string h_use_geometry            = "false";
 126 string h_use_amsmath             = "1";
 127 string h_use_esint               = "1";
 128 string h_cite_engine             = "basic";
 129 string h_use_bibtopic            = "false";
 130 string h_paperorientation        = "portrait";
 131 string h_secnumdepth             = "3";
 132 string h_tocdepth                = "3";
 133 string h_paragraph_separation    = "indent";
 134 string h_defskip                 = "medskip";
 135 string h_quotes_language         = "english";
 136 string h_papercolumns            = "1";
 137 string h_papersides              = string();
 138 string h_paperpagestyle          = "default";
 139 string h_tracking_changes        = "false";
 140 string h_output_changes          = "false";
 141 string h_margins                 = "";
 142
 143
 144 void handle_opt(vector<string> & opts, char const * const * what, string & target)
 145 {
 146         if (opts.empty())
 147                 return;
 148
 149         // the last language option is the document language (for babel and LyX)
 150         // the last size option is the document font size
 151         vector<string>::iterator it;
 152         vector<string>::iterator position = opts.begin();
 153         for (; *what; ++what) {
 154                 it = find(opts.begin(), opts.end(), *what);
 155                 if (it != opts.end()) {
 156                         documentclass_language = true;
 157                         if (it >= position) {
 158                                 target = *what;
 159                                 position = it;
 160                         }
 161                 }
 162         }
 163 }
 164
 165
 166 void delete_opt(vector<string> & opts, char const * const * what)
 167 {
 168         if (opts.empty())
 169                 return;
 170
 171         // remove found options from the list
 172         // do this after handle_opt to avoid potential memory leaks and to be able
 173         // to find in every case the last language option
 174         vector<string>::iterator it;
 175         for (; *what; ++what) {
 176                 it = find(opts.begin(), opts.end(), *what);
 177                 if (it != opts.end())
 178                         opts.erase(it);
 179         }
 180 }
 181
 182
 183 /*!
 184  * Split a package options string (keyval format) into a vector.
 185  * Example input:
 186  *   authorformat=smallcaps,
 187  *   commabeforerest,
 188  *   titleformat=colonsep,
 189  *   bibformat={tabular,ibidem,numbered}
 190  */
 191 vector<string> split_options(string const & input)
 192 {
 193         vector<string> options;
 194         string option;
 195         Parser p(input);
 196         while (p.good()) {
 197                 Token const & t = p.get_token();
 198                 if (t.asInput() == ",") {
 199                         options.push_back(trim(option));
 200                         option.erase();
 201                 } else if (t.asInput() == "=") {
 202                         option += '=';
 203                         p.skip_spaces(true);
 204                         if (p.next_token().asInput() == "{")
 205                                 option += '{' + p.getArg('{', '}') + '}';
 206                 } else if (t.cat() != catSpace)
 207                         option += t.asInput();
 208         }
 209
 210         if (!option.empty())
 211                 options.push_back(trim(option));
 212
 213         return options;
 214 }
 215
 216
 217 /*!
 218  * Add package \p name with options \p options to used_packages.
 219  * Remove options from \p options that we don't want to output.
 220  */
 221 void add_package(string const & name, vector<string> & options)
 222 {
 223         // every package inherits the global options
 224         if (used_packages.find(name) == used_packages.end())
 225                 used_packages[name] = split_options(h_options);
 226
 227         vector<string> & v = used_packages[name];
 228         v.insert(v.end(), options.begin(), options.end());
 229         if (name == "jurabib") {
 230                 // Don't output the order argument (see the cite command
 231                 // handling code in text.cpp).
 232                 vector<string>::iterator end =
 233                         remove(options.begin(), options.end(), "natbiborder");
 234                 end = remove(options.begin(), end, "jurabiborder");
 235                 options.erase(end, options.end());
 236         }
 237 }
 238
 239
 240 // Given is a string like "scaled=0.9", return 0.9 * 100
 241 string const scale_as_percentage(string const & scale)
 242 {
 243         string::size_type pos = scale.find('=');
 244         if (pos != string::npos) {
 245                 string value = scale.substr(pos + 1);
 246                 if (isStrDbl(value))
 247                         return convert<string>(100 * convert<double>(value));
 248         }
 249         // If the input string didn't match our expectations.
 250         // return the default value "100"
 251         return "100";
 252 }
 253
 254
 255 void handle_package(Parser &p, string const & name, string const & opts,
 256                     bool in_lyx_preamble)
 257 {
 258         vector<string> options = split_options(opts);
 259         add_package(name, options);
 260         string scale;
 261
 262         // roman fonts
 263         if (is_known(name, known_roman_fonts)) {
 264                 h_font_roman = name;
 265                 p.skip_spaces();
 266         }
 267
 268         if (name == "fourier") {
 269                 h_font_roman = "utopia";
 270                 // when font uses real small capitals
 271                 if (opts == "expert")
 272                         h_font_sc = "true";
 273         }
 274
 275         if (name == "mathpazo")
 276                 h_font_roman = "palatino";
 277
 278         if (name == "mathptmx")
 279                 h_font_roman = "times";
 280
 281         // sansserif fonts
 282         if (is_known(name, known_sans_fonts)) {
 283                 h_font_sans = name;
 284                 if (!opts.empty()) {
 285                         scale = opts;
 286                         h_font_sf_scale = scale_as_percentage(scale);
 287                 }
 288         }
 289
 290         // typewriter fonts
 291         if (is_known(name, known_typewriter_fonts)) {
 292                 h_font_typewriter = name;
 293                 if (!opts.empty()) {
 294                         scale = opts;
 295                         h_font_tt_scale = scale_as_percentage(scale);
 296                 }
 297         }
 298
 299         // font uses old-style figure
 300         if (name == "eco")
 301                 h_font_osf = "true";
 302
 303         else if (name == "amsmath" || name == "amssymb")
 304                 h_use_amsmath = "2";
 305
 306         else if (name == "esint")
 307                 h_use_esint = "2";
 308
 309         else if (name == "babel" && !opts.empty()) {
 310                 // check if more than one option was used - used later for inputenc
 311                 // in case inputenc is parsed before babel, set the encoding to auto
 312                 if (options.begin() != options.end() - 1) {
 313                         one_language = false;
 314                         h_inputencoding = "auto";
 315                 }
 316                 // only set the document language when there was not already one set
 317                 // via the documentclass options
 318                 // babel takes the the last language given in the documentclass options
 319                 // as document language. If there is no such language option, the last
 320                 // option of its \usepackage call is used.
 321                 if (documentclass_language == false) {
 322                         handle_opt(options, known_languages, h_language);
 323                         delete_opt(options, known_languages);
 324                         if (is_known(h_language, known_brazilian_languages))
 325                                 h_language = "brazilian";
 326                         else if (is_known(h_language, known_french_languages))
 327                                 h_language = "french";
 328                         else if (is_known(h_language, known_german_languages))
 329                                 h_language = "german";
 330                         else if (is_known(h_language, known_ngerman_languages))
 331                                 h_language = "ngerman";
 332                         else if (is_known(h_language, known_portuguese_languages))
 333                                 h_language = "portuguese";
 334                         else if (is_known(h_language, known_russian_languages))
 335                                 h_language = "russian";
 336                         else if (is_known(h_language, known_ukrainian_languages))
 337                                 h_language = "ukrainian";
 338                         h_quotes_language = h_language;
 339                 }
 340         }
 341
 342         else if (name == "fontenc")
 343                  ;// ignore this
 344
 345         else if (name == "inputenc") {
 346                 // only set when there is not more than one inputenc
 347                 // option therefore check for the "," character also
 348                 // only set when there is not more then one babel
 349                 // language option
 350                 if (opts.find(",") == string::npos && one_language == true) {
 351                         if (opts == "ascii")
 352                                 //change ascii to auto to be in the unicode range, see
 353                                 //http://bugzilla.lyx.org/show_bug.cgi?id=4719
 354                                 h_inputencoding = "auto";
 355                         else if (!opts.empty())
 356                                 h_inputencoding = opts;
 357                 }
 358                 if (!options.empty())
 359                         p.setEncoding(options.back());
 360                 options.clear();
 361         }
 362
 363         else if (name == "makeidx")
 364                 ; // ignore this
 365
 366         else if (name == "prettyref")
 367                 ; // ignore this
 368
 369         else if (name == "varioref")
 370                 ; // ignore this
 371
 372         else if (name == "verbatim")
 373                 ; // ignore this
 374
 375         else if (name == "nomencl")
 376                 ; // ignore this
 377
 378         else if (name == "textcomp")
 379                 ; // ignore this
 380
 381         else if (name == "url")
 382                 ; // ignore this
 383
 384         else if (name == "color") {
 385                 // with the following command this package is only loaded when needed for
 386                 // undefined colors, since we only support the predefined colors
 387                 h_preamble << "\\@ifundefined{definecolor}\n {\\usepackage{color}}{}\n";
 388         }
 389
 390         else if (name == "graphicx")
 391                 ; // ignore this
 392
 393         else if (name == "setspace")
 394                 ; // ignore this
 395
 396         else if (name == "geometry")
 397                 ; // Ignore this, the geometry settings are made by the \geometry
 398                   // command. This command is handled below.
 399
 400         else if (is_known(name, known_languages)) {
 401                 if (is_known(h_language, known_brazilian_languages))
 402                                 h_language = "brazilian";
 403                 else if (is_known(name, known_french_languages))
 404                         h_language = "french";
 405                 else if (is_known(name, known_german_languages))
 406                         h_language = "german";
 407                 else if (is_known(name, known_ngerman_languages))
 408                         h_language = "ngerman";
 409                 else if (is_known(h_language, known_portuguese_languages))
 410                                 h_language = "portuguese";
 411                 else if (is_known(name, known_russian_languages))
 412                         h_language = "russian";
 413                 else if (is_known(name, known_ukrainian_languages))
 414                         h_language = "ukrainian";
 415                 else
 416                         h_language = name;
 417                 h_quotes_language = h_language;
 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         }
 434
 435         else if (name == "jurabib")
 436                 h_cite_engine = "jurabib";
 437
 438         else if (!in_lyx_preamble) {
 439                 if (options.empty())
 440                         h_preamble << "\\usepackage{" << name << "}";
 441                 else {
 442                         h_preamble << "\\usepackage[" << opts << "]{"
 443                                    << name << "}";
 444                         options.clear();
 445                 }
 446         }
 447
 448         // We need to do something with the options...
 449         if (!options.empty())
 450                 cerr << "Ignoring options '" << join(options, ",")
 451                      << "' of package " << name << '.' << endl;
 452
 453         // remove the whitespace
 454         p.skip_spaces();
 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 264\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 (currently not used)
 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                         smatch sub;
 573                         if (regex_search(comment, sub, islyxfile)) {
 574                                 is_lyx_file = true;
 575                                 in_lyx_preamble = true;
 576                         } else if (is_lyx_file
 577                                    && regex_search(comment, sub, usercommands))
 578                                 in_lyx_preamble = false;
 579                         else if (!in_lyx_preamble)
 580                                 h_preamble << t.asInput();
 581                 }
 582
 583                 else if (t.cs() == "pagestyle")
 584                         h_paperpagestyle = p.verbatim_item();
 585
 586                 else if (t.cs() == "makeatletter") {
 587                         // LyX takes care of this
 588                         p.setCatCode('@', catLetter);
 589                 }
 590
 591                 else if (t.cs() == "makeatother") {
 592                         // LyX takes care of this
 593                         p.setCatCode('@', catOther);
 594                 }
 595
 596                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 597                             || t.cs() == "providecommand"
 598                                 || t.cs() == "DeclareRobustCommand"
 599                                 || t.cs() == "ProvideTextCommandDefault"
 600                                 || t.cs() == "DeclareMathAccent") {
 601                         bool star = false;
 602                         if (p.next_token().character() == '*') {
 603                                 p.get_token();
 604                                 star = true;
 605                         }
 606                         string const name = p.verbatim_item();
 607                         string const opt1 = p.getOpt();
 608                         string const opt2 = p.getFullOpt();
 609                         string const body = p.verbatim_item();
 610                         // font settings
 611                         if (name == "\\rmdefault")
 612                                 if (is_known(body, known_roman_fonts))
 613                                         h_font_roman = body;
 614                         if (name == "\\sfdefault")
 615                                 if (is_known(body, known_sans_fonts))
 616                                         h_font_sans = body;
 617                         if (name == "\\ttdefault")
 618                                 if (is_known(body, known_typewriter_fonts))
 619                                         h_font_typewriter = body;
 620                         if (name == "\\familydefault") {
 621                                 string family = body;
 622                                 // remove leading "\"
 623                                 h_font_default_family = family.erase(0,1);
 624                         }
 625                         // only non-lyxspecific stuff
 626                         if (!in_lyx_preamble) {
 627                                 ostringstream ss;
 628                                 ss << '\\' << t.cs();
 629                                 if (star)
 630                                         ss << '*';
 631                                 ss << '{' << name << '}' << opt1 << opt2
 632                                    << '{' << body << "}";
 633                                 h_preamble << ss.str();
 634
 635                                 // Add the command to the known commands
 636                                 add_known_command(name, opt1, !opt2.empty());
 637 /*
 638                                 ostream & out = in_preamble ? h_preamble : os;
 639                                 out << "\\" << t.cs() << "{" << name << "}"
 640                                     << opts << "{" << body << "}";
 641 */
 642                         }
 643                 }
 644
 645                 else if (t.cs() == "documentclass") {
 646                         vector<string>::iterator it;
 647                         vector<string> opts = split_options(p.getArg('[', ']'));
 648                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 649                         delete_opt(opts, known_fontsizes);
 650                         // delete "pt" at the end
 651                         string::size_type i = h_paperfontsize.find("pt");
 652                         if (i != string::npos)
 653                                 h_paperfontsize.erase(i);
 654                         // to avoid that the babel options overwrite the documentclass options
 655                         documentclass_language = false;
 656                         handle_opt(opts, known_languages, h_language);
 657                         delete_opt(opts, known_languages);
 658                         if (is_known(h_language, known_brazilian_languages))
 659                                 h_language = "brazilian";
 660                         else if (is_known(h_language, known_french_languages))
 661                                 h_language = "french";
 662                         else if (is_known(h_language, known_german_languages))
 663                                 h_language = "german";
 664                         else if (is_known(h_language, known_ngerman_languages))
 665                                 h_language = "ngerman";
 666                         else if (is_known(h_language, known_portuguese_languages))
 667                                 h_language = "portuguese";
 668                         else if (is_known(h_language, known_russian_languages))
 669                                 h_language = "russian";
 670                         else if (is_known(h_language, known_ukrainian_languages))
 671                                 h_language = "ukrainian";
 672                         h_quotes_language = h_language;
 673                         // paper orientation
 674                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 675                                 h_paperorientation = "landscape";
 676                                 opts.erase(it);
 677                         }
 678                         // paper sides
 679                         if ((it = find(opts.begin(), opts.end(), "oneside"))
 680                                  != opts.end()) {
 681                                 h_papersides = "1";
 682                                 opts.erase(it);
 683                         }
 684                         if ((it = find(opts.begin(), opts.end(), "twoside"))
 685                                  != opts.end()) {
 686                                 h_papersides = "2";
 687                                 opts.erase(it);
 688                         }
 689                         // paper columns
 690                         if ((it = find(opts.begin(), opts.end(), "onecolumn"))
 691                                  != opts.end()) {
 692                                 h_papercolumns = "1";
 693                                 opts.erase(it);
 694                         }
 695                         if ((it = find(opts.begin(), opts.end(), "twocolumn"))
 696                                  != opts.end()) {
 697                                 h_papercolumns = "2";
 698                                 opts.erase(it);
 699                         }
 700                         // paper sizes
 701                         // some size options are know to any document classes, other sizes
 702                         // are handled by the \geometry command of the geometry package
 703                         handle_opt(opts, known_class_paper_sizes, h_papersize);
 704                         delete_opt(opts, known_class_paper_sizes);
 705                         // the remaining options
 706                         h_options = join(opts, ",");
 707                         h_textclass = p.getArg('{', '}');
 708                 }
 709
 710                 else if (t.cs() == "usepackage") {
 711                         string const options = p.getArg('[', ']');
 712                         string const name = p.getArg('{', '}');
 713                         vector<string> vecnames;
 714                         split(name, vecnames, ',');
 715                         vector<string>::const_iterator it  = vecnames.begin();
 716                         vector<string>::const_iterator end = vecnames.end();
 717                         for (; it != end; ++it)
 718                                 handle_package(p, trim(*it), options,
 719                                                in_lyx_preamble);
 720                 }
 721
 722                 else if (t.cs() == "inputencoding") {
 723                         string const encoding = p.getArg('{','}');
 724                         h_inputencoding = encoding;
 725                         p.setEncoding(encoding);
 726                 }
 727
 728                 else if (t.cs() == "newenvironment") {
 729                         string const name = p.getArg('{', '}');
 730                         ostringstream ss;
 731                         ss << "\\newenvironment{" << name << "}";
 732                         ss << p.getOpt();
 733                         ss << p.getOpt();
 734                         ss << '{' << p.verbatim_item() << '}';
 735                         ss << '{' << p.verbatim_item() << '}';
 736                         if (!in_lyx_preamble)
 737                                 h_preamble << ss.str();
 738                 }
 739
 740                 else if (t.cs() == "def") {
 741                         string name = p.get_token().cs();
 742                         while (p.next_token().cat() != catBegin)
 743                                 name += p.get_token().asString();
 744                         if (!in_lyx_preamble)
 745                                 h_preamble << "\\def\\" << name << '{'
 746                                            << p.verbatim_item() << "}";
 747                 }
 748
 749                 else if (t.cs() == "newcolumntype") {
 750                         string const name = p.getArg('{', '}');
 751                         trim(name);
 752                         int nargs = 0;
 753                         string opts = p.getOpt();
 754                         if (!opts.empty()) {
 755                                 istringstream is(string(opts, 1));
 756                                 is >> nargs;
 757                         }
 758                         special_columns[name[0]] = nargs;
 759                         h_preamble << "\\newcolumntype{" << name << "}";
 760                         if (nargs)
 761                                 h_preamble << "[" << nargs << "]";
 762                         h_preamble << "{" << p.verbatim_item() << "}";
 763                 }
 764
 765                 else if (t.cs() == "setcounter") {
 766                         string const name = p.getArg('{', '}');
 767                         string const content = p.getArg('{', '}');
 768                         if (name == "secnumdepth")
 769                                 h_secnumdepth = content;
 770                         else if (name == "tocdepth")
 771                                 h_tocdepth = content;
 772                         else
 773                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}";
 774                 }
 775
 776                 else if (t.cs() == "setlength") {
 777                         string const name = p.verbatim_item();
 778                         string const content = p.verbatim_item();
 779                         // the paragraphs are only not indented when \parindent is set to zero
 780                         if (name == "\\parindent" && content != "") {
 781                                 if (content[0] == '0')
 782                                         h_paragraph_separation = "skip";
 783                         } else if (name == "\\parskip") {
 784                                 if (content == "\\smallskipamount")
 785                                         h_defskip = "smallskip";
 786                                 else if (content == "\\medskipamount")
 787                                         h_defskip = "medskip";
 788                                 else if (content == "\\bigskipamount")
 789                                         h_defskip = "bigskip";
 790                                 else
 791                                         h_defskip = content;
 792                         } else
 793                                 h_preamble << "\\setlength{" << name << "}{" << content << "}";
 794                 }
 795
 796                 else if (t.cs() == "onehalfspacing")
 797                         h_spacing = "onehalf";
 798
 799                 else if (t.cs() == "doublespacing")
 800                         h_spacing = "double";
 801
 802                 else if (t.cs() == "setstretch")
 803                         h_spacing = "other " + p.verbatim_item();
 804
 805                 else if (t.cs() == "begin") {
 806                         string const name = p.getArg('{', '}');
 807                         if (name == "document")
 808                                 break;
 809                         h_preamble << "\\begin{" << name << "}";
 810                 }
 811
 812                 else if (t.cs() == "geometry") {
 813                         h_use_geometry = "true";
 814                         vector<string> opts = split_options(p.getArg('{', '}'));
 815                         vector<string>::iterator it;
 816                         // paper orientation
 817                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 818                                 h_paperorientation = "landscape";
 819                                 opts.erase(it);
 820                         }
 821                         // paper size
 822                         handle_opt(opts, known_paper_sizes, h_papersize);
 823                         delete_opt(opts, known_paper_sizes);
 824                         // page margins
 825                         char const * const * margin = known_paper_margins;
 826                         int k = -1;
 827                         for (; *margin; ++margin) {
 828                                 k += 1;
 829                                 // search for the "=" in e.g. "lmargin=2cm" to get the value
 830                                 for(size_t i = 0; i != opts.size(); i++) {
 831                                         if (opts.at(i).find(*margin) != string::npos) {
 832                                                 string::size_type pos = opts.at(i).find("=");
 833                                                 string value = opts.at(i).substr(pos + 1);
 834                                                 string name = known_coded_paper_margins[k];
 835                                                 h_margins += "\\" + name + " " + value + "\n";
 836                                         }
 837                                 }
 838                         }
 839                 }
 840
 841                 else if (t.cs() == "jurabibsetup") {
 842                         vector<string> jurabibsetup =
 843                                 split_options(p.getArg('{', '}'));
 844                         // add jurabibsetup to the jurabib package options
 845                         add_package("jurabib", jurabibsetup);
 846                         if (!jurabibsetup.empty()) {
 847                                 h_preamble << "\\jurabibsetup{"
 848                                            << join(jurabibsetup, ",") << '}';
 849                         }
 850                 }
 851
 852                 else if (!t.cs().empty() && !in_lyx_preamble)
 853                         h_preamble << '\\' << t.cs();
 854
 855                 // remove the whitespace
 856                 p.skip_spaces();
 857         }
 858
 859         // remove the whitespace
 860         p.skip_spaces();
 861
 862         // Force textclass if the user wanted it
 863         if (!forceclass.empty())
 864                 h_textclass = forceclass;
 865         if (noweb_mode && !prefixIs(h_textclass, "literate-"))
 866                 h_textclass.insert(0, "literate-");
 867         FileName layoutfilename = libFileSearch("layouts", h_textclass, "layout");
 868         if (layoutfilename.empty()) {
 869                 cerr << "Error: Could not find layout file for textclass \"" << h_textclass << "\"." << endl;
 870                 exit(1);
 871         }
 872         tc.read(layoutfilename);
 873         if (h_papersides.empty()) {
 874                 ostringstream ss;
 875                 ss << tc.sides();
 876                 h_papersides = ss.str();
 877         }
 878         end_preamble(os, tc);
 879 }
 880
 881 // }])
 882
 883
 884 } // namespace lyx