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 <algorithm>
  29 #include <iostream>
  30 #include <sstream>
  31 #include <string>
  32 #include <vector>
  33 #include <map>
  34
  35 using namespace std;
  36 using namespace lyx::support;
  37
  38 namespace lyx {
  39
  40 // special columntypes
  41 extern map<char, int> special_columns;
  42
  43 map<string, vector<string> > used_packages;
  44
  45 // needed to handle encodings with babel
  46 bool one_language = true;
  47
  48 // to avoid that the babel options overwrite the documentclass options
  49 bool documentclass_language;
  50
  51 namespace {
  52
  53 const char * const known_languages[] = { "afrikaans", "american", "arabic",
  54 "austrian", "bahasa", "basque", "belarusian", "brazil", "breton", "british",
  55 "bulgarian", "canadian", "canadien", "catalan", "croatian", "czech", "danish",
  56 "dutch", "english", "esperanto", "estonian", "finnish", "francais", "french",
  57 "frenchb", "frenchle", "frenchpro", "galician", "german", "germanb", "greek",
  58 "hebrew", "icelandic", "irish", "italian", "lsorbian", "magyar", "naustrian",
  59 "ngerman", "ngermanb", "norsk", "nynorsk", "polish", "portuges", "romanian",
  60 "russian", "russianb", "scottish", "serbian", "slovak", "slovene", "spanish",
  61 "swedish", "thai", "turkish", "ukraineb", "ukrainian", "usorbian", "welsh", 0};
  62
  63 //note this when updating to lyxformat 305:
  64 //bahasai, indonesian, and indon = equal to bahasa
  65 //malay, and meyalu = equal to bahasam
  66
  67 const char * const known_french_languages[] = {"french", "frenchb", "francais",
  68                                                 "frenchle", "frenchpro", 0};
  69 const char * const known_german_languages[] = {"german", "germanb", 0};
  70 const char * const known_ngerman_languages[] = {"ngerman", "ngermanb", 0};
  71 const char * const known_russian_languages[] = {"russian", "russianb", 0};
  72 const char * const known_ukrainian_languages[] = {"ukrainian", "ukraineb", 0};
  73
  74 char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
  75
  76 const char * const known_roman_fonts[] = { "ae", "bookman", "charter",
  77 "cmr", "fourier", "lmodern", "mathpazo", "mathptmx", "newcent", 0};
  78
  79 const char * const known_sans_fonts[] = { "avant", "berasans", "cmbr", "cmss",
  80 "helvet", "lmss", 0};
  81
  82 const char * const known_typewriter_fonts[] = { "beramono", "cmtl", "cmtt",
  83 "courier", "lmtt", "luximono", "fourier", "lmodern", "mathpazo", "mathptmx",
  84 "newcent", 0};
  85
  86 const char * const known_paper_sizes[] = { "a3paper", "b3paper", "a4paper",
  87 "b4paper", "a5paper", "b5paper", "executivepaper", "legalpaper",
  88 "letterpaper", 0};
  89
  90 const char * const known_class_paper_sizes[] = { "a4paper", "a5paper",
  91 "executivepaper", "legalpaper", "letterpaper", 0};
  92
  93 const char * const known_paper_margins[] = { "lmargin", "tmargin", "rmargin",
  94 "bmargin", "headheight", "headsep", "footskip", "columnsep", 0};
  95
  96 const char * const known_coded_paper_margins[] = { "leftmargin", "topmargin",
  97 "rightmargin", "bottommargin", "headheight", "headsep", "footskip",
  98 "columnsep", 0};
  99
 100 // default settings
 101 ostringstream h_preamble;
 102 string h_textclass               = "article";
 103 string h_options                 = string();
 104 string h_language                = "english";
 105 string h_inputencoding           = "auto";
 106 string h_font_roman              = "default";
 107 string h_font_sans               = "default";
 108 string h_font_typewriter         = "default";
 109 string h_font_default_family     = "default";
 110 string h_font_sc                 = "false";
 111 string h_font_osf                = "false";
 112 string h_font_sf_scale           = "100";
 113 string h_font_tt_scale           = "100";
 114 string h_graphics                = "default";
 115 string h_paperfontsize           = "default";
 116 string h_spacing                 = "single";
 117 string h_papersize               = "default";
 118 string h_use_geometry            = "false";
 119 string h_use_amsmath             = "0";
 120 string h_cite_engine             = "basic";
 121 string h_use_bibtopic            = "false";
 122 string h_paperorientation        = "portrait";
 123 string h_secnumdepth             = "3";
 124 string h_tocdepth                = "3";
 125 string h_paragraph_separation    = "indent";
 126 string h_defskip                 = "medskip";
 127 string h_quotes_language         = "english";
 128 string h_papercolumns            = "1";
 129 string h_papersides              = string();
 130 string h_paperpagestyle          = "default";
 131 string h_tracking_changes        = "false";
 132 string h_output_changes          = "false";
 133 string h_margins                 = "";
 134
 135
 136 void handle_opt(vector<string> & opts, char const * const * what, string & target)
 137 {
 138         if (opts.empty())
 139                 return;
 140
 141         // the last language option is the document language (for babel and LyX)
 142         // the last size option is the document font size
 143         vector<string>::iterator it;
 144         vector<string>::iterator position = opts.begin();
 145         for (; *what; ++what) {
 146                 it = find(opts.begin(), opts.end(), *what);
 147                 if (it != opts.end()) {
 148                         documentclass_language = true;
 149                         if (it >= position) {
 150                                 target = *what;
 151                                 position = it;
 152                         }
 153                 }
 154         }
 155 }
 156
 157
 158 void delete_opt(vector<string> & opts, char const * const * what)
 159 {
 160         if (opts.empty())
 161                 return;
 162
 163         // remove found options from the list
 164         // do this after handle_opt to avoid potential memory leaks and to be able
 165         // to find in every case the last language option
 166         vector<string>::iterator it;
 167         for (; *what; ++what) {
 168                 it = find(opts.begin(), opts.end(), *what);
 169                 if (it != opts.end())
 170                         opts.erase(it);
 171         }
 172 }
 173
 174
 175 /*!
 176  * Split a package options string (keyval format) into a vector.
 177  * Example input:
 178  *   authorformat=smallcaps,
 179  *   commabeforerest,
 180  *   titleformat=colonsep,
 181  *   bibformat={tabular,ibidem,numbered}
 182  */
 183 vector<string> split_options(string const & input)
 184 {
 185         vector<string> options;
 186         string option;
 187         Parser p(input);
 188         while (p.good()) {
 189                 Token const & t = p.get_token();
 190                 if (t.asInput() == ",") {
 191                         options.push_back(trim(option));
 192                         option.erase();
 193                 } else if (t.asInput() == "=") {
 194                         option += '=';
 195                         p.skip_spaces(true);
 196                         if (p.next_token().asInput() == "{")
 197                                 option += '{' + p.getArg('{', '}') + '}';
 198                 } else if (t.cat() != catSpace)
 199                         option += t.asInput();
 200         }
 201
 202         if (!option.empty())
 203                 options.push_back(trim(option));
 204
 205         return options;
 206 }
 207
 208
 209 /*!
 210  * Add package \p name with options \p options to used_packages.
 211  * Remove options from \p options that we don't want to output.
 212  */
 213 void add_package(string const & name, vector<string> & options)
 214 {
 215         // every package inherits the global options
 216         if (used_packages.find(name) == used_packages.end())
 217                 used_packages[name] = split_options(h_options);
 218
 219         vector<string> & v = used_packages[name];
 220         v.insert(v.end(), options.begin(), options.end());
 221         if (name == "jurabib") {
 222                 // Don't output the order argument (see the cite command
 223                 // handling code in text.cpp).
 224                 vector<string>::iterator end =
 225                         remove(options.begin(), options.end(), "natbiborder");
 226                 end = remove(options.begin(), end, "jurabiborder");
 227                 options.erase(end, options.end());
 228         }
 229 }
 230
 231
 232 // Given is a string like "scaled=0.9", return 0.9 * 100
 233 string const scale_as_percentage(string const & scale)
 234 {
 235         string::size_type pos = scale.find('=');
 236         if (pos != string::npos) {
 237                 string value = scale.substr(pos + 1);
 238                 if (isStrDbl(value))
 239                         return convert<string>(100 * convert<double>(value));
 240         }
 241         // If the input string didn't match our expectations.
 242         // return the default value "100"
 243         return "100";
 244 }
 245
 246
 247 void handle_package(string const & name, string const & opts)
 248 {
 249         vector<string> options = split_options(opts);
 250         add_package(name, options);
 251         string scale;
 252
 253         // roman fonts
 254         if (is_known(name, known_roman_fonts))
 255                 h_font_roman = name;
 256
 257         if (name == "fourier") {
 258                 h_font_roman = "utopia";
 259                 // when font uses real small capitals
 260                 if (opts == "expert")
 261                         h_font_sc = "true";
 262         }
 263         if (name == "mathpazo")
 264                 h_font_roman = "palatino";
 265
 266         if (name == "mathptmx")
 267                 h_font_roman = "times";
 268
 269         // sansserif fonts
 270         if (is_known(name, known_sans_fonts)) {
 271                 h_font_sans = name;
 272                 if (!opts.empty()) {
 273                         scale = opts;
 274                         h_font_sf_scale = scale_as_percentage(scale);
 275                 }
 276         }
 277         // typewriter fonts
 278         if (is_known(name, known_typewriter_fonts)) {
 279                 h_font_typewriter = name;
 280                 if (!opts.empty()) {
 281                         scale = opts;
 282                         h_font_tt_scale = scale_as_percentage(scale);
 283                 }
 284         }
 285         // font uses old-style figure
 286         if (name == "eco")
 287                 h_font_osf = "true";
 288
 289         else if (name == "amsmath" || name == "amssymb")
 290                 h_use_amsmath = "1";
 291
 292         else if (name == "babel" && !opts.empty()) {
 293                 // check if more than one option was used - used later for inputenc
 294                 // in case inputenc is parsed before babel, set the encoding to auto
 295                 if (options.begin() != options.end() - 1) {
 296                         one_language = false;
 297                         h_inputencoding = "auto";
 298                 }
 299                 // only set the document language when there was not already one set
 300                 // via the documentclass options
 301                 // babel takes the the last language given in the documentclass options
 302                 // as document language. If there is no such language option, the last
 303                 // option of its \usepackage call is used.
 304                 if (documentclass_language == false) {
 305                         handle_opt(options, known_languages, h_language);
 306                         delete_opt(options, known_languages);
 307                         if (is_known(h_language, known_french_languages))
 308                                 h_language = "french";
 309                         else if (is_known(h_language, known_german_languages))
 310                                 h_language = "german";
 311                         else if (is_known(h_language, known_ngerman_languages))
 312                                 h_language = "ngerman";
 313                         else if (is_known(h_language, known_russian_languages))
 314                                 h_language = "russian";
 315                         else if (is_known(h_language, known_ukrainian_languages))
 316                                 h_language = "ukrainian";
 317                         h_quotes_language = h_language;
 318                 }
 319         }
 320         else if (name == "fontenc")
 321                 ; // ignore this
 322
 323         else if (name == "inputenc") {
 324                 // only set when there is not more than one inputenc option
 325                 // therefore check for the "," character
 326                 // also only set when there is not more then one babel language option
 327                 if (opts.find(",") == string::npos && one_language == true)
 328                         if (opts == "ascii")
 329                                 //change ascii to auto to be in the unicode range, see
 330                                 //http://bugzilla.lyx.org/show_bug.cgi?id=4719
 331                                 h_inputencoding = "auto";
 332                         else
 333                                 h_inputencoding = opts;
 334                 options.clear();
 335         }
 336         else if (name == "makeidx")
 337                 ; // ignore this
 338
 339         else if (name == "verbatim")
 340                 ; // ignore this
 341
 342         else if (name == "color")
 343                 // with the following command this package is only loaded when needed for
 344                 // undefined colors, since we only support the predefined colors
 345                 h_preamble << "\\@ifundefined{definecolor}\n {\\usepackage{color}}{}\n";
 346
 347         else if (name == "graphicx")
 348                 ; // ignore this
 349
 350         else if (name == "setspace")
 351                 ; // ignore this
 352
 353         else if (name == "geometry")
 354                 ; // Ignore this, the geometry settings are made by the \geometry
 355                   // command. This command is handled below.
 356
 357         else if (is_known(name, known_languages)) {
 358                 if (is_known(name, known_french_languages))
 359                         h_language = "french";
 360                 else if (is_known(name, known_german_languages))
 361                         h_language = "german";
 362                 else if (is_known(name, known_ngerman_languages))
 363                         h_language = "ngerman";
 364                 else if (is_known(name, known_russian_languages))
 365                         h_language = "russian";
 366                 else if (is_known(name, known_ukrainian_languages))
 367                         h_language = "ukrainian";
 368                 else
 369                         h_language = name;
 370                 h_quotes_language = h_language;
 371         }
 372         else if (name == "natbib") {
 373                 h_cite_engine = "natbib_authoryear";
 374                 vector<string>::iterator it =
 375                         find(options.begin(), options.end(), "authoryear");
 376                 if (it != options.end())
 377                         options.erase(it);
 378                 else {
 379                         it = find(options.begin(), options.end(), "numbers");
 380                         if (it != options.end()) {
 381                                 h_cite_engine = "natbib_numerical";
 382                                 options.erase(it);
 383                         }
 384                 }
 385         }
 386         else if (name == "jurabib")
 387                 h_cite_engine = "jurabib";
 388
 389         else if (options.empty())
 390                 h_preamble << "\\usepackage{" << name << "}\n";
 391         else {
 392                 h_preamble << "\\usepackage[" << opts << "]{" << name << "}\n";
 393                 options.clear();
 394         }
 395         // We need to do something with the options...
 396         if (!options.empty())
 397                 cerr << "Ignoring options '" << join(options, ",")
 398                      << "' of package " << name << '.' << endl;
 399 }
 400
 401
 402
 403 void end_preamble(ostream & os, TextClass const & /*textclass*/)
 404 {
 405         os << "#LyX file created by tex2lyx " << PACKAGE_VERSION << "\n"
 406            << "\\lyxformat 247\n"
 407            << "\\begin_document\n"
 408            << "\\begin_header\n"
 409            << "\\textclass " << h_textclass << "\n";
 410         if (!h_preamble.str().empty())
 411                 os << "\\begin_preamble\n" << h_preamble.str() << "\n\\end_preamble\n";
 412         if (!h_options.empty())
 413                 os << "\\options " << h_options << "\n";
 414         os << "\\language " << h_language << "\n"
 415            << "\\inputencoding " << h_inputencoding << "\n"
 416            << "\\font_roman " << h_font_roman << "\n"
 417            << "\\font_sans " << h_font_sans << "\n"
 418            << "\\font_typewriter " << h_font_typewriter << "\n"
 419            << "\\font_default_family " << h_font_default_family << "\n"
 420            << "\\font_sc " << h_font_sc << "\n"
 421            << "\\font_osf " << h_font_osf << "\n"
 422            << "\\font_sf_scale " << h_font_sf_scale << "\n"
 423            << "\\font_tt_scale " << h_font_tt_scale << "\n"
 424            << "\\graphics " << h_graphics << "\n"
 425            << "\\paperfontsize " << h_paperfontsize << "\n"
 426            << "\\spacing " << h_spacing << "\n"
 427            << "\\papersize " << h_papersize << "\n"
 428            << "\\use_geometry " << h_use_geometry << "\n"
 429            << "\\use_amsmath " << h_use_amsmath << "\n"
 430            << "\\cite_engine " << h_cite_engine << "\n"
 431            << "\\use_bibtopic " << h_use_bibtopic << "\n"
 432            << "\\paperorientation " << h_paperorientation << "\n"
 433            << h_margins
 434            << "\\secnumdepth " << h_secnumdepth << "\n"
 435            << "\\tocdepth " << h_tocdepth << "\n"
 436            << "\\paragraph_separation " << h_paragraph_separation << "\n"
 437            << "\\defskip " << h_defskip << "\n"
 438            << "\\quotes_language " << h_quotes_language << "\n"
 439            << "\\papercolumns " << h_papercolumns << "\n"
 440            << "\\papersides " << h_papersides << "\n"
 441            << "\\paperpagestyle " << h_paperpagestyle << "\n"
 442            << "\\tracking_changes " << h_tracking_changes << "\n"
 443            << "\\output_changes " << h_output_changes << "\n"
 444            << "\\end_header\n\n"
 445            << "\\begin_body\n";
 446         // clear preamble for subdocuments
 447         h_preamble.str("");
 448 }
 449
 450 } // anonymous namespace
 451
 452 void parse_preamble(Parser & p, ostream & os,
 453         string const & forceclass, TeX2LyXDocClass & tc)
 454 {
 455         // initialize fixed types
 456         special_columns['D'] = 3;
 457         bool is_full_document = false;
 458
 459         // determine whether this is a full document or a fragment for inclusion
 460         while (p.good()) {
 461                 Token const & t = p.get_token();
 462
 463                 if (t.cat() == catEscape && t.cs() == "documentclass") {
 464                         is_full_document = true;
 465                         break;
 466                 }
 467         }
 468         p.reset();
 469
 470         while (is_full_document && p.good()) {
 471                 Token const & t = p.get_token();
 472
 473 #ifdef FILEDEBUG
 474                 cerr << "t: " << t << "\n";
 475 #endif
 476
 477                 //
 478                 // cat codes
 479                 //
 480                 if (t.cat() == catLetter ||
 481                           t.cat() == catSuper ||
 482                           t.cat() == catSub ||
 483                           t.cat() == catOther ||
 484                           t.cat() == catMath ||
 485                           t.cat() == catActive ||
 486                           t.cat() == catBegin ||
 487                           t.cat() == catEnd ||
 488                           t.cat() == catAlign ||
 489                           t.cat() == catParameter)
 490                 h_preamble << t.character();
 491
 492                 else if (t.cat() == catSpace || t.cat() == catNewline)
 493                         h_preamble << t.asInput();
 494
 495                 else if (t.cat() == catComment)
 496                         h_preamble << t.asInput();
 497
 498                 else if (t.cs() == "pagestyle")
 499                         h_paperpagestyle = p.verbatim_item();
 500
 501                 else if (t.cs() == "makeatletter") {
 502                         p.setCatCode('@', catLetter);
 503                 }
 504
 505                 else if (t.cs() == "makeatother") {
 506                         p.setCatCode('@', catOther);
 507                 }
 508
 509                 else if (t.cs() == "newcommand" || t.cs() == "renewcommand"
 510                             || t.cs() == "providecommand") {
 511                         bool star = false;
 512                         if (p.next_token().character() == '*') {
 513                                 p.get_token();
 514                                 star = true;
 515                         }
 516                         string const name = p.verbatim_item();
 517                         string const opt1 = p.getOpt();
 518                         string const opt2 = p.getFullOpt();
 519                         string const body = p.verbatim_item();
 520                         // font settings
 521                         if (name == "\\rmdefault")
 522                                 if (is_known(body, known_roman_fonts))
 523                                         h_font_roman = body;
 524
 525                         if (name == "\\sfdefault")
 526                                 if (is_known(body, known_sans_fonts))
 527                                         h_font_sans = body;
 528
 529                         if (name == "\\ttdefault")
 530                                 if (is_known(body, known_typewriter_fonts))
 531                                         h_font_typewriter = body;
 532
 533                         if (name == "\\familydefault") {
 534                                 string family = body;
 535                                 // remove leading "\"
 536                                 h_font_default_family = family.erase(0,1);
 537                         }
 538                         // only non-lyxspecific stuff
 539                         if (   name != "\\noun"
 540                             && name != "\\tabularnewline"
 541                             && name != "\\LyX"
 542                             && name != "\\lyxline"
 543                             && name != "\\lyxaddress"
 544                             && name != "\\lyxrightaddress"
 545                             && name != "\\lyxdot"
 546                             && name != "\\boldsymbol"
 547                             && name != "\\lyxarrow"
 548                             && name != "\\rmdefault"
 549                             && name != "\\sfdefault"
 550                             && name != "\\ttdefault"
 551                             && name != "\\familydefault") {
 552                                 ostringstream ss;
 553                                 ss << '\\' << t.cs();
 554                                 if (star)
 555                                         ss << '*';
 556                                 ss << '{' << name << '}' << opt1 << opt2
 557                                    << '{' << body << "}";
 558                                 h_preamble << ss.str();
 559
 560                                 // Add the command to the known commands
 561                                 add_known_command(name, opt1, !opt2.empty());
 562 /*
 563                                 ostream & out = in_preamble ? h_preamble : os;
 564                                 out << "\\" << t.cs() << "{" << name << "}"
 565                                     << opts << "{" << body << "}";
 566 */
 567                         }
 568                 }
 569
 570                 else if (t.cs() == "documentclass") {
 571                         vector<string>::iterator it;
 572                         vector<string> opts = split_options(p.getArg('[', ']'));
 573                         handle_opt(opts, known_fontsizes, h_paperfontsize);
 574                         delete_opt(opts, known_fontsizes);
 575                         // delete "pt" at the end
 576                         string::size_type i = h_paperfontsize.find("pt");
 577                         if (i != string::npos)
 578                                 h_paperfontsize.erase(i);
 579                         // to avoid that the babel options overwrite the documentclass options
 580                         documentclass_language = false;
 581                         handle_opt(opts, known_languages, h_language);
 582                         delete_opt(opts, known_languages);
 583                         if (is_known(h_language, known_french_languages))
 584                                 h_language = "french";
 585                         else if (is_known(h_language, known_german_languages))
 586                                 h_language = "german";
 587                         else if (is_known(h_language, known_ngerman_languages))
 588                                 h_language = "ngerman";
 589                         else if (is_known(h_language, known_russian_languages))
 590                                 h_language = "russian";
 591                         else if (is_known(h_language, known_ukrainian_languages))
 592                                 h_language = "ukrainian";
 593                         h_quotes_language = h_language;
 594                         // paper orientation
 595                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 596                                 h_paperorientation = "landscape";
 597                                 opts.erase(it);
 598                         }
 599                         // paper sides
 600                         if ((it = find(opts.begin(), opts.end(), "oneside"))
 601                                  != opts.end()) {
 602                                 h_papersides = "1";
 603                                 opts.erase(it);
 604                         }
 605                         if ((it = find(opts.begin(), opts.end(), "twoside"))
 606                                  != opts.end()) {
 607                                 h_papersides = "2";
 608                                 opts.erase(it);
 609                         }
 610                         // paper columns
 611                         if ((it = find(opts.begin(), opts.end(), "onecolumn"))
 612                                  != opts.end()) {
 613                                 h_papercolumns = "1";
 614                                 opts.erase(it);
 615                         }
 616                         if ((it = find(opts.begin(), opts.end(), "twocolumn"))
 617                                  != opts.end()) {
 618                                 h_papercolumns = "2";
 619                                 opts.erase(it);
 620                         }
 621                         // paper sizes
 622                         // some size options are know to any document classes, other sizes
 623                         // are handled by the \geometry command of the geometry package
 624                         handle_opt(opts, known_class_paper_sizes, h_papersize);
 625                         delete_opt(opts, known_class_paper_sizes);
 626                         // the remaining options
 627                         h_options = join(opts, ",");
 628                         h_textclass = p.getArg('{', '}');
 629                 }
 630
 631                 else if (t.cs() == "usepackage") {
 632                         string const options = p.getArg('[', ']');
 633                         string const name = p.getArg('{', '}');
 634                         if (options.empty() && name.find(',')) {
 635                                 vector<string> vecnames;
 636                                 split(name, vecnames, ',');
 637                                 vector<string>::const_iterator it  = vecnames.begin();
 638                                 vector<string>::const_iterator end = vecnames.end();
 639                                 for (; it != end; ++it)
 640                                         handle_package(trim(*it), string());
 641                         } else {
 642                                 handle_package(name, options);
 643                         }
 644                 }
 645
 646                 else if (t.cs() == "newenvironment") {
 647                         string const name = p.getArg('{', '}');
 648                         ostringstream ss;
 649                         ss << "\\newenvironment{" << name << "}";
 650                         ss << p.getOpt();
 651                         ss << p.getOpt();
 652                         ss << '{' << p.verbatim_item() << '}';
 653                         ss << '{' << p.verbatim_item() << '}';
 654                         if (name != "lyxcode" && name != "lyxlist" &&
 655                             name != "lyxrightadress" &&
 656                             name != "lyxaddress" && name != "lyxgreyedout")
 657                                 h_preamble << ss.str();
 658                 }
 659
 660                 else if (t.cs() == "def") {
 661                         string name = p.get_token().cs();
 662                         while (p.next_token().cat() != catBegin)
 663                                 name += p.get_token().asString();
 664                         h_preamble << "\\def\\" << name << '{'
 665                                    << p.verbatim_item() << "}";
 666                 }
 667
 668                 else if (t.cs() == "newcolumntype") {
 669                         string const name = p.getArg('{', '}');
 670                         trim(name);
 671                         int nargs = 0;
 672                         string opts = p.getOpt();
 673                         if (!opts.empty()) {
 674                                 istringstream is(string(opts, 1));
 675                                 is >> nargs;
 676                         }
 677                         special_columns[name[0]] = nargs;
 678                         h_preamble << "\\newcolumntype{" << name << "}";
 679                         if (nargs)
 680                                 h_preamble << "[" << nargs << "]";
 681                         h_preamble << "{" << p.verbatim_item() << "}";
 682                 }
 683
 684                 else if (t.cs() == "setcounter") {
 685                         string const name = p.getArg('{', '}');
 686                         string const content = p.getArg('{', '}');
 687                         if (name == "secnumdepth")
 688                                 h_secnumdepth = content;
 689                         else if (name == "tocdepth")
 690                                 h_tocdepth = content;
 691                         else
 692                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}";
 693                 }
 694
 695                 else if (t.cs() == "setlength") {
 696                         string const name = p.verbatim_item();
 697                         string const content = p.verbatim_item();
 698                         // the paragraphs are only not indented when \parindent is set to zero
 699                         if (name == "\\parindent" && content != "") {
 700                                 if (content[0] == '0')
 701                                         h_paragraph_separation = "skip";
 702                         } else if (name == "\\parskip") {
 703                                 if (content == "\\smallskipamount")
 704                                         h_defskip = "smallskip";
 705                                 else if (content == "\\medskipamount")
 706                                         h_defskip = "medskip";
 707                                 else if (content == "\\bigskipamount")
 708                                         h_defskip = "bigskip";
 709                                 else
 710                                         h_defskip = content;
 711                         } else
 712                                 h_preamble << "\\setlength{" << name << "}{" << content << "}";
 713                 }
 714
 715                 else if (t.cs() == "onehalfspacing")
 716                         h_spacing = "onehalf";
 717
 718                 else if (t.cs() == "doublespacing")
 719                         h_spacing = "double";
 720
 721                 else if (t.cs() == "setstretch")
 722                         h_spacing = "other " + p.verbatim_item();
 723
 724                 else if (t.cs() == "begin") {
 725                         string const name = p.getArg('{', '}');
 726                         if (name == "document")
 727                                 break;
 728                         h_preamble << "\\begin{" << name << "}";
 729                 }
 730
 731                 else if (t.cs() == "geometry") {
 732                         h_use_geometry = "true";
 733                         vector<string> opts = split_options(p.getArg('{', '}'));
 734                         vector<string>::iterator it;
 735                         // paper orientation
 736                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
 737                                 h_paperorientation = "landscape";
 738                                 opts.erase(it);
 739                         }
 740                         // paper size
 741                         handle_opt(opts, known_paper_sizes, h_papersize);
 742                         delete_opt(opts, known_paper_sizes);
 743                         // page margins
 744                         char const * const * margin = known_paper_margins;
 745                         int k = -1;
 746                         for (; *margin; ++margin) {
 747                                 k += 1;
 748                                 // search for the "=" in e.g. "lmargin=2cm" to get the value
 749                                 for(size_t i = 0; i != opts.size(); i++) {
 750                                         if (opts.at(i).find(*margin) != string::npos) {
 751                                                 string::size_type pos = opts.at(i).find("=");
 752                                                 string value = opts.at(i).substr(pos + 1);
 753                                                 string name = known_coded_paper_margins[k];
 754                                                 h_margins += "\\" + name + " " + value + "\n";
 755                                         }
 756                                 }
 757                         }
 758                 }
 759
 760                 else if (t.cs() == "jurabibsetup") {
 761                         vector<string> jurabibsetup =
 762                                 split_options(p.getArg('{', '}'));
 763                         // add jurabibsetup to the jurabib package options
 764                         add_package("jurabib", jurabibsetup);
 765                         if (!jurabibsetup.empty()) {
 766                                 h_preamble << "\\jurabibsetup{"
 767                                            << join(jurabibsetup, ",") << '}';
 768                         }
 769                 }
 770
 771                 else if (!t.cs().empty())
 772                         h_preamble << '\\' << t.cs();
 773         }
 774         p.skip_spaces();
 775
 776         // Force textclass if the user wanted it
 777         if (!forceclass.empty())
 778                 h_textclass = forceclass;
 779         if (noweb_mode && !prefixIs(h_textclass, "literate-"))
 780                 h_textclass.insert(0, "literate-");
 781         FileName layoutfilename = libFileSearch("layouts", h_textclass, "layout");
 782         if (layoutfilename.empty()) {
 783                 cerr << "Error: Could not find layout file for textclass \"" << h_textclass << "\"." << endl;
 784                 exit(1);
 785         }
 786         tc.read(layoutfilename);
 787         if (h_papersides.empty()) {
 788                 ostringstream ss;
 789                 ss << tc.sides();
 790                 h_papersides = ss.str();
 791         }
 792         end_preamble(os, tc);
 793 }
 794
 795 // }])
 796
 797
 798 } // namespace lyx