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         else if (name == "fontenc")
 349                 p.skip_spaces(); // ignore this
 350
 351         else if (name == "inputenc") {
 352                 // only set when there is not more than one inputenc
 353                 // option therefore check for the "," character also
 354                 // only set when there is not more then one babel
 355                 // language option
 356                 if (opts.find(",") == string::npos && one_language == true) {
 357                         if (opts == "ascii")
 358                                 //change ascii to auto to be in the unicode range, see
 359                                 //http://bugzilla.lyx.org/show_bug.cgi?id=4719
 360                                 h_inputencoding = "auto";
 361                         else if (!opts.empty())
 362                                 h_inputencoding = opts;
 363                 }
 364                 if (!options.empty())
 365                         p.setEncoding(options.back());
 366                 options.clear();
 367                 p.skip_spaces();
 368         }
 369
 370         else if (name == "makeidx")
 371                 p.skip_spaces(); // ignore this
 372
 373         else if (name == "prettyref")
 374                 p.skip_spaces(); // ignore this
 375
 376         else if (name == "varioref")
 377                 p.skip_spaces(); // ignore this
 378
 379         else if (name == "verbatim")
 380                 p.skip_spaces(); // ignore this
 381
 382         else if (name == "url")
 383                 p.skip_spaces(); // ignore this
 384
 385         else if (name == "color") {
 386                 // with the following command this package is only loaded when needed for
 387                 // undefined colors, since we only support the predefined colors
 388                 h_preamble << "\\@ifundefined{definecolor}\n {\\usepackage{color}}{}\n";
 389                 p.skip_spaces();
 390         }
 391
 392         else if (name == "graphicx")
 393                 p.skip_spaces(); // ignore this
 394
 395         else if (name == "setspace")
 396                 p.skip_spaces(); // ignore this
 397
 398         else if (name == "geometry")
 399                 p.skip_spaces(); // Ignore this, the geometry settings are made by the \geometry
 400                   // command. This command is handled below.
 401
 402         else if (is_known(name, known_languages)) {
 403                 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(name, known_russian_languages))
 410                         h_language = "russian";
 411                 else if (is_known(name, known_ukrainian_languages))
 412                         h_language = "ukrainian";
 413                 else
 414                         h_language = name;
 415                 h_quotes_language = h_language;
 416                 p.skip_spaces();
 417         }
 418
 419         else if (name == "natbib") {
 420                 h_cite_engine = "natbib_authoryear";
 421                 vector<string>::iterator it =
 422                         find(options.begin(), options.end(), "authoryear");
 423                 if (it != options.end())
 424                         options.erase(it);
 425                 else {
 426                         it = find(options.begin(), options.end(), "numbers");
 427                         if (it != options.end()) {
 428                                 h_cite_engine = "natbib_numerical";
 429                                 options.erase(it);
 430                         }
 431                 }
 432                 p.skip_spaces();
 433         }
 434
 435         else if (name == "jurabib") {
 436                 h_cite_engine = "jurabib";
 437                 p.skip_spaces();
 438         }
 439
 440         else if (!in_lyx_preamble) {
 441                 if (options.empty())
 442                         h_preamble << "\\usepackage{" << name << "}";
 443                 else {
 444                         h_preamble << "\\usepackage[" << opts << "]{"
 445                                    << name << "}";
 446                         options.clear();
 447                 }
 448         }
 449
 450         // We need to do something with the options...
 451         if (!options.empty())
 452                 cerr << "Ignoring options '" << join(options, ",")
 453                      << "' of package " << name << '.' << endl;
 454 }
 455
 456
 457
 458 void end_preamble(ostream & os, TextClass const & /*textclass*/)
 459 {
 460         os << "#LyX file created by tex2lyx " << PACKAGE_VERSION << "\n"
 461            << "\\lyxformat 257\n"
 462            << "\\begin_document\n"
 463            << "\\begin_header\n"
 464            << "\\textclass " << h_textclass << "\n";
 465         if (!h_preamble.str().empty())
 466                 os << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n";
 467         if (!h_options.empty())
 468                 os << "\\options " << h_options << "\n";
 469         os << "\\language " << h_language << "\n"
 470            << "\\inputencoding " << h_inputencoding << "\n"
 471            << "\\font_roman " << h_font_roman << "\n"
 472            << "\\font_sans " << h_font_sans << "\n"
 473            << "\\font_typewriter " << h_font_typewriter << "\n"
 474            << "\\font_default_family " << h_font_default_family << "\n"
 475            << "\\font_sc " << h_font_sc << "\n"
 476            << "\\font_osf " << h_font_osf << "\n"
 477            << "\\font_sf_scale " << h_font_sf_scale << "\n"
 478            << "\\font_tt_scale " << h_font_tt_scale << "\n"
 479            << "\\graphics " << h_graphics << "\n"
 480            << "\\paperfontsize " << h_paperfontsize << "\n"
 481            << "\\spacing " << h_spacing << "\n"
 482            << "\\papersize " << h_papersize << "\n"
 483            << "\\use_geometry " << h_use_geometry << "\n"
 484            << "\\use_amsmath " << h_use_amsmath << "\n"
 485            << "\\use_esint " << h_use_esint << "\n"
 486            << "\\cite_engine " << h_cite_engine << "\n"
 487            << "\\use_bibtopic " << h_use_bibtopic << "\n"
 488            << "\\paperorientation " << h_paperorientation << "\n"
 489            << h_margins
 490            << "\\secnumdepth " << h_secnumdepth << "\n"
 491            << "\\tocdepth " << h_tocdepth << "\n"
 492            << "\\paragraph_separation " << h_paragraph_separation << "\n"
 493            << "\\defskip " << h_defskip << "\n"
 494            << "\\quotes_language " << h_quotes_language << "\n"
 495            << "\\papercolumns " << h_papercolumns << "\n"
 496            << "\\papersides " << h_papersides << "\n"
 497            << "\\paperpagestyle " << h_paperpagestyle << "\n"
 498            << "\\tracking_changes " << h_tracking_changes << "\n"
 499            << "\\output_changes " << h_output_changes << "\n"
 500            << "\\end_header\n\n"
 501            << "\\begin_body\n";
 502         // clear preamble for subdocuments
 503         h_preamble.str("");
 504 }
 505
 506 } // anonymous namespace
 507
 508 void parse_preamble(Parser & p, ostream & os,
 509         string const & forceclass, TeX2LyXDocClass & tc)
 510 {
 511         // initialize fixed types
 512         special_columns['D'] = 3;
 513         bool is_full_document = false;
 514         bool is_lyx_file = false;
 515         bool in_lyx_preamble = false;
 516
 517         // determine whether this is a full document or a fragment for inclusion
 518         while (p.good()) {
 519                 Token const & t = p.get_token();
 520
 521                 if (t.cat() == catEscape && t.cs() == "documentclass") {
 522                         is_full_document = true;
 523                         break;
 524                 }
 525         }
 526         p.reset();
 527
 528         while (is_full_document && p.good()) {
 529                 Token const & t = p.get_token();
 530
 531 #ifdef FILEDEBUG
 532                 cerr << "t: " << t << "\n";
 533 #endif
 534
 535                 //
 536                 // cat codes
 537                 //
 538                 if (!in_lyx_preamble &&
 539                     (t.cat() == catLetter ||
 540                      t.cat() == catSuper ||
 541                      t.cat() == catSub ||
 542                      t.cat() == catOther ||
 543                      t.cat() == catMath ||
 544                      t.cat() == catActive ||
 545                      t.cat() == catBegin ||
 546                      t.cat() == catEnd ||
 547                      t.cat() == catAlign ||
 548                      t.cat() == catParameter))
 549                         h_preamble << t.character();
 550
 551                 else if (!in_lyx_preamble &&
 552                          (t.cat() == catSpace || t.cat() == catNewline))
 553                         h_preamble << t.asInput();
 554
 555                 else if (t.cat() == catComment) {
 556                         // regex to parse comments
 557                         static regex const islyxfile("%% LyX .* created this file");
 558                         static regex const usercommands("User specified LaTeX commands");
 559
 560                         string const comment = t.asInput();
 561
 562                         // magically switch encoding default if it looks like XeLaTeX
 563                         static string const magicXeLaTeX =
 564                                 "% This document must be compiled with XeLaTeX ";
 565                         if (comment.size() > magicXeLaTeX.size()
 566                                   && comment.substr(0, magicXeLaTeX.size()) == magicXeLaTeX
 567                                   && h_inputencoding == "auto") {
 568                                 cerr << "XeLaTeX comment found, switching to UTF8\n";
 569                                 h_inputencoding = "utf8";
 570                         }
 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                         if (!is_lyx_file || !in_lyx_preamble
 588                             || p.getCatCode('@') != catLetter)
 589                                 h_preamble << "\\makeatletter";
 590                         p.setCatCode('@', catLetter);
 591                 }
 592
 593                 else if (t.cs() == "makeatother") {
 594                         if (!is_lyx_file || !in_lyx_preamble
 595                             || p.getCatCode('@') != catOther)
 596                                 h_preamble << "\\makeatother";
 597                         p.setCatCode('@', catOther);
 598                 }
 599
 600                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 601                             || t.cs() == "providecommand") {
 602                         bool star = false;
 603                         if (p.next_token().character() == '*') {
 604                                 p.get_token();
 605                                 star = true;
 606                         }
 607                         string const name = p.verbatim_item();
 608                         string const opt1 = p.getOpt();
 609                         string const opt2 = p.getFullOpt();
 610                         string const body = p.verbatim_item();
 611                         // font settings
 612                         if (name == "\\rmdefault")
 613                                 if (is_known(body, known_roman_fonts))
 614                                         h_font_roman = body;
 615
 616                         if (name == "\\sfdefault")
 617                                 if (is_known(body, known_sans_fonts))
 618                                         h_font_sans = body;
 619
 620                         if (name == "\\ttdefault")
 621                                 if (is_known(body, known_typewriter_fonts))
 622                                         h_font_typewriter = body;
 623
 624                         if (name == "\\familydefault") {
 625                                 string family = body;
 626                                 // remove leading "\"
 627                                 h_font_default_family = family.erase(0,1);
 628                         }
 629                         // only non-lyxspecific stuff
 630                         if (!in_lyx_preamble) {
 631                                 ostringstream ss;
 632                                 ss << '\\' << t.cs();
 633                                 if (star)
 634                                         ss << '*';
 635                                 ss << '{' << name << '}' << opt1 << opt2
 636                                    << '{' << body << "}";
 637                                 h_preamble << ss.str();
 638
 639                                 // Add the command to the known commands
 640                                 add_known_command(name, opt1, !opt2.empty());
 641 /*
 642                                 ostream & out = in_preamble ? h_preamble : os;
 643                                 out << "\\" << t.cs() << "{" << name << "}"
 644                                     << opts << "{" << body << "}";
 645 */
 646                         }
 647                 }
 648
 649                 else if (t.cs() == "documentclass") {
 650                         vector<string>::iterator it;
 651                         vector<string> opts = split_options(p.getArg('[', ']'));
 652                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 653                         delete_opt(opts, known_fontsizes);
 654                         // delete "pt" at the end
 655                         string::size_type i = h_paperfontsize.find("pt");
 656                         if (i != string::npos)
 657                                 h_paperfontsize.erase(i);
 658                         // to avoid that the babel options overwrite the documentclass options
 659                         documentclass_language = false;
 660                         handle_opt(opts, known_languages, h_language);
 661                         delete_opt(opts, known_languages);
 662                         if (is_known(h_language, known_french_languages))
 663                                 h_language = "french";
 664                         else if (is_known(h_language, known_german_languages))
 665                                 h_language = "german";
 666                         else if (is_known(h_language, known_ngerman_languages))
 667                                 h_language = "ngerman";
 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         p.skip_spaces();
 856
 857         // Force textclass if the user wanted it
 858         if (!forceclass.empty())
 859                 h_textclass = forceclass;
 860         if (noweb_mode && !prefixIs(h_textclass, "literate-"))
 861                 h_textclass.insert(0, "literate-");
 862         FileName layoutfilename = libFileSearch("layouts", h_textclass, "layout");
 863         if (layoutfilename.empty()) {
 864                 cerr << "Error: Could not find layout file for textclass \"" << h_textclass << "\"." << endl;
 865                 exit(1);
 866         }
 867         tc.read(layoutfilename);
 868         if (h_papersides.empty()) {
 869                 ostringstream ss;
 870                 ss << tc.sides();
 871                 h_papersides = ss.str();
 872         }
 873         end_preamble(os, tc);
 874 }
 875
 876 // }])
 877
 878
 879 } // namespace lyx