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 "Preamble.h"
  17 #include "tex2lyx.h"
  18
  19 #include "LayoutFile.h"
  20 #include "Layout.h"
  21 #include "Lexer.h"
  22 #include "TextClass.h"
  23
  24 #include "support/convert.h"
  25 #include "support/FileName.h"
  26 #include "support/filetools.h"
  27 #include "support/lstrings.h"
  28
  29 #include "support/regex.h"
  30
  31 #include <algorithm>
  32 #include <iostream>
  33
  34 using namespace std;
  35 using namespace lyx::support;
  36
  37
  38 namespace lyx {
  39
  40 // special columntypes
  41 extern map<char, int> special_columns;
  42
  43 Preamble preamble;
  44
  45 namespace {
  46
  47 //add this to known_languages when updating to lyxformat 266:
  48 // "armenian" (needs special handling since not supported by standard babel)
  49 //add these to known_languages when updating to lyxformat 268:
  50 //"chinese-simplified", "chinese-traditional", "japanese", "korean"
  51 // Both changes require first that support for non-babel languages (CJK,
  52 // armtex) is added.
  53 /**
  54  * known babel language names (including synonyms)
  55  * not in standard babel: arabic, arabtex, armenian, belarusian, serbian-latin, thai
  56  * not yet supported by LyX: kurmanji
  57  * please keep this in sync with known_coded_languages line by line!
  58  */
  59 const char * const known_languages[] = {"acadian", "afrikaans", "albanian",
  60 "american", "arabic", "arabtex", "austrian", "bahasa", "bahasai", "bahasam",
  61 "basque", "belarusian", "brazil", "brazilian", "breton", "british", "bulgarian",
  62 "canadian", "canadien", "catalan", "croatian", "czech", "danish", "dutch",
  63 "english", "esperanto", "estonian", "farsi", "finnish", "francais", "french",
  64 "frenchb", "frenchle", "frenchpro", "galician", "german", "germanb", "greek",
  65 "hebrew", "hungarian", "icelandic", "indon", "indonesian", "interlingua",
  66 "irish", "italian", "kazakh", "latin", "latvian", "lithuanian", "lowersorbian",
  67 "lsorbian", "magyar", "malay", "meyalu", "mongolian", "naustrian", "newzealand",
  68 "ngerman", "ngermanb", "norsk", "nynorsk", "polutonikogreek", "polish",
  69 "portuges", "portuguese", "romanian", "russian", "russianb", "samin",
  70 "scottish", "serbian", "serbian-latin", "slovak", "slovene", "spanish",
  71 "swedish", "thai", "turkish", "turkmen", "ukraineb", "ukrainian",
  72 "uppersorbian", "UKenglish", "USenglish", "usorbian", "vietnam", "welsh",
  73 0};
  74
  75 /**
  76  * the same as known_languages with .lyx names
  77  * please keep this in sync with known_languages line by line!
  78  */
  79 const char * const known_coded_languages[] = {"french", "afrikaans", "albanian",
  80 "american", "arabic_arabi", "arabic_arabtex", "austrian", "bahasa", "bahasa", "bahasam",
  81 "basque", "belarusian", "brazilian", "brazilian", "breton", "british", "bulgarian",
  82 "canadian", "canadien", "catalan", "croatian", "czech", "danish", "dutch",
  83 "english", "esperanto", "estonian", "farsi", "finnish", "french", "french",
  84 "french", "french", "french", "galician", "german", "german", "greek",
  85 "hebrew", "magyar", "icelandic", "bahasa", "bahasa", "interlingua",
  86 "irish", "italian", "kazakh", "latin", "latvian", "lithuanian", "lowersorbian",
  87 "lowersorbian", "magyar", "bahasam", "bahasam", "mongolian", "naustrian", "english",
  88 "ngerman", "ngerman", "norsk", "nynorsk", "polutonikogreek", "polish",
  89 "portuguese", "portuguese", "romanian", "russian", "russian", "samin",
  90 "scottish", "serbian", "serbian-latin", "slovak", "slovene", "spanish",
  91 "swedish", "thai", "turkish", "turkmen", "ukrainian", "ukrainian",
  92 "uppersorbian", "uppersorbian", "english", "english", "vietnamese", "welsh",
  93 0};
  94
  95 /// languages with english quotes (.lyx names)
  96 const char * const known_english_quotes_languages[] = {"american", "bahasa",
  97 "bahasam", "brazilian", "canadian", "chinese-simplified", "english",
  98 "esperanto", "hebrew", "irish", "korean", "portuguese", "scottish", "thai", 0};
  99
 100 /// languages with french quotes (.lyx names)
 101 const char * const known_french_quotes_languages[] = {"albanian",
 102 "arabic_arabi", "arabic_arabtex", "basque", "canadien", "catalan", "french",
 103 "galician", "greek", "italian", "norsk", "nynorsk", "polutonikogreek",
 104 "russian", "spanish", "spanish-mexico", "turkish", "turkmen", "ukrainian",
 105 "vietnamese", 0};
 106
 107 /// languages with german quotes (.lyx names)
 108 const char * const known_german_quotes_languages[] = {"austrian", "bulgarian",
 109 "czech", "german", "icelandic", "lithuanian", "lowersorbian", "naustrian",
 110 "ngerman", "serbian", "serbian-latin", "slovak", "slovene", "uppersorbian", 0};
 111
 112 /// languages with polish quotes (.lyx names)
 113 const char * const known_polish_quotes_languages[] = {"afrikaans", "croatian",
 114 "dutch", "estonian", "magyar", "polish", "romanian", 0};
 115
 116 /// languages with swedish quotes (.lyx names)
 117 const char * const known_swedish_quotes_languages[] = {"finnish",
 118 "swedish", 0};
 119
 120 /// known language packages from the times before babel
 121 const char * const known_old_language_packages[] = {"french", "frenchle",
 122 "frenchpro", "german", "ngerman", "pmfrench", 0};
 123
 124 char const * const known_fontsizes[] = { "10pt", "11pt", "12pt", 0 };
 125
 126 const char * const known_roman_fonts[] = { "ae", "beraserif", "bookman",
 127 "ccfonts", "chancery", "charter", "cmr", "fourier", "lmodern", "mathpazo",
 128 "mathptmx", "newcent", "utopia", 0};
 129
 130 const char * const known_sans_fonts[] = { "avant", "berasans", "cmbr", "cmss",
 131 "helvet", "lmss", 0};
 132
 133 const char * const known_typewriter_fonts[] = { "beramono", "cmtl", "cmtt",
 134 "courier", "lmtt", "luximono", "fourier", "lmodern", "mathpazo", "mathptmx",
 135 "newcent", 0};
 136
 137 const char * const known_paper_sizes[] = { "a0paper", "b0paper", "c0paper",
 138 "a1paper", "b1paper", "c1paper", "a2paper", "b2paper", "c2paper", "a3paper",
 139 "b3paper", "c3paper", "a4paper", "b4paper", "c4paper", "a5paper", "b5paper",
 140 "c5paper", "a6paper", "b6paper", "c6paper", "executivepaper", "legalpaper",
 141 "letterpaper", "b0j", "b1j", "b2j", "b3j", "b4j", "b5j", "b6j", 0};
 142
 143 const char * const known_class_paper_sizes[] = { "a4paper", "a5paper",
 144 "executivepaper", "legalpaper", "letterpaper", 0};
 145
 146 const char * const known_paper_margins[] = { "lmargin", "tmargin", "rmargin",
 147 "bmargin", "headheight", "headsep", "footskip", "columnsep", 0};
 148
 149 const char * const known_coded_paper_margins[] = { "leftmargin", "topmargin",
 150 "rightmargin", "bottommargin", "headheight", "headsep", "footskip",
 151 "columnsep", 0};
 152
 153 /// commands that can start an \if...\else...\endif sequence
 154 const char * const known_if_commands[] = {"if", "ifarydshln", "ifbraket",
 155 "ifcancel", "ifcolortbl", "ifeurosym", "ifmarginnote", "ifmmode", "ifpdf",
 156 "ifsidecap", "ifupgreek", 0};
 157
 158 const char * const known_basic_colors[] = {"blue", "black", "cyan", "green",
 159 "magenta", "red", "white", "yellow", 0};
 160
 161 const char * const known_basic_color_codes[] = {"#0000ff", "#000000", "#00ffff", "#00ff00",
 162 "#ff00ff", "#ff0000", "#ffffff", "#ffff00", 0};
 163
 164 /// conditional commands with three arguments like \@ifundefined{}{}{}
 165 const char * const known_if_3arg_commands[] = {"@ifundefined", "IfFileExists",
 166 0};
 167
 168 /// packages that work only in xetex
 169 const char * const known_xetex_packages[] = {"arabxetex", "fixlatvian",
 170 "fontbook", "fontwrap", "mathspec", "philokalia", "polyglossia", "unisugar",
 171 "xeCJK", "xecolor", "xecyr", "xeindex", "xepersian", "xunicode", 0};
 172
 173 // codes used to remove packages that are loaded automatically by LyX.
 174 // Syntax: package_beg_sep<name>package_mid_sep<package loading code>package_end_sep
 175 const char package_beg_sep = '\001';
 176 const char package_mid_sep = '\002';
 177 const char package_end_sep = '\003';
 178
 179
 180 // returns true if at least one of the options in what has been found
 181 bool handle_opt(vector<string> & opts, char const * const * what, string & target)
 182 {
 183         if (opts.empty())
 184                 return false;
 185
 186         bool found = false;
 187         // the last language option is the document language (for babel and LyX)
 188         // the last size option is the document font size
 189         vector<string>::iterator it;
 190         vector<string>::iterator position = opts.begin();
 191         for (; *what; ++what) {
 192                 it = find(opts.begin(), opts.end(), *what);
 193                 if (it != opts.end()) {
 194                         if (it >= position) {
 195                                 found = true;
 196                                 target = *what;
 197                                 position = it;
 198                         }
 199                 }
 200         }
 201         return found;
 202 }
 203
 204
 205 void delete_opt(vector<string> & opts, char const * const * what)
 206 {
 207         if (opts.empty())
 208                 return;
 209
 210         // remove found options from the list
 211         // do this after handle_opt to avoid potential memory leaks
 212         vector<string>::iterator it;
 213         for (; *what; ++what) {
 214                 it = find(opts.begin(), opts.end(), *what);
 215                 if (it != opts.end())
 216                         opts.erase(it);
 217         }
 218 }
 219
 220
 221 /*!
 222  * Split a package options string (keyval format) into a vector.
 223  * Example input:
 224  *   authorformat=smallcaps,
 225  *   commabeforerest,
 226  *   titleformat=colonsep,
 227  *   bibformat={tabular,ibidem,numbered}
 228  */
 229 vector<string> split_options(string const & input)
 230 {
 231         vector<string> options;
 232         string option;
 233         Parser p(input);
 234         while (p.good()) {
 235                 Token const & t = p.get_token();
 236                 if (t.asInput() == ",") {
 237                         options.push_back(trimSpaceAndEol(option));
 238                         option.erase();
 239                 } else if (t.asInput() == "=") {
 240                         option += '=';
 241                         p.skip_spaces(true);
 242                         if (p.next_token().asInput() == "{")
 243                                 option += '{' + p.getArg('{', '}') + '}';
 244                 } else if (t.cat() != catSpace)
 245                         option += t.asInput();
 246         }
 247
 248         if (!option.empty())
 249                 options.push_back(trimSpaceAndEol(option));
 250
 251         return options;
 252 }
 253
 254
 255 /*!
 256  * Retrieve a keyval option "name={value with=sign}" named \p name from
 257  * \p options and return the value.
 258  * The found option is also removed from \p options.
 259  */
 260 string process_keyval_opt(vector<string> & options, string name)
 261 {
 262         for (size_t i = 0; i < options.size(); ++i) {
 263                 vector<string> option;
 264                 split(options[i], option, '=');
 265                 if (option.size() < 2)
 266                         continue;
 267                 if (option[0] == name) {
 268                         options.erase(options.begin() + i);
 269                         option.erase(option.begin());
 270                         return join(option, "=");
 271                 }
 272         }
 273         return "";
 274 }
 275
 276 } // anonymous namespace
 277
 278
 279 bool Preamble::indentParagraphs() const
 280 {
 281         return h_paragraph_separation == "indent";
 282 }
 283
 284
 285 bool Preamble::isPackageUsed(string const & package) const
 286 {
 287         return used_packages.find(package) != used_packages.end();
 288 }
 289
 290
 291 vector<string> Preamble::getPackageOptions(string const & package) const
 292 {
 293         map<string, vector<string> >::const_iterator it = used_packages.find(package);
 294         if (it != used_packages.end())
 295                 return it->second;
 296         return vector<string>();
 297 }
 298
 299
 300 void Preamble::registerAutomaticallyLoadedPackage(std::string const & package)
 301 {
 302         auto_packages.insert(package);
 303 }
 304
 305
 306 void Preamble::addModule(string const & module)
 307 {
 308         used_modules.push_back(module);
 309 }
 310
 311
 312 void Preamble::suppressDate(bool suppress)
 313 {
 314         if (suppress)
 315                 h_suppress_date = "true";
 316         else
 317                 h_suppress_date = "false";
 318 }
 319
 320
 321 void Preamble::registerAuthor(std::string const & name)
 322 {
 323         Author author(from_utf8(name), empty_docstring());
 324         author.setUsed(true);
 325         authors_.record(author);
 326         h_tracking_changes = "true";
 327         h_output_changes = "true";
 328 }
 329
 330
 331 Author const & Preamble::getAuthor(std::string const & name) const
 332 {
 333         Author author(from_utf8(name), empty_docstring());
 334         for (AuthorList::Authors::const_iterator it = authors_.begin();
 335              it != authors_.end(); it++)
 336                 if (*it == author)
 337                         return *it;
 338         static Author const dummy;
 339         return dummy;
 340 }
 341
 342
 343 void Preamble::add_package(string const & name, vector<string> & options)
 344 {
 345         // every package inherits the global options
 346         if (used_packages.find(name) == used_packages.end())
 347                 used_packages[name] = split_options(h_options);
 348
 349         vector<string> & v = used_packages[name];
 350         v.insert(v.end(), options.begin(), options.end());
 351         if (name == "jurabib") {
 352                 // Don't output the order argument (see the cite command
 353                 // handling code in text.cpp).
 354                 vector<string>::iterator end =
 355                         remove(options.begin(), options.end(), "natbiborder");
 356                 end = remove(options.begin(), end, "jurabiborder");
 357                 options.erase(end, options.end());
 358         }
 359 }
 360
 361
 362 namespace {
 363
 364 // Given is a string like "scaled=0.9", return 0.9 * 100
 365 string const scale_as_percentage(string const & scale)
 366 {
 367         string::size_type pos = scale.find('=');
 368         if (pos != string::npos) {
 369                 string value = scale.substr(pos + 1);
 370                 if (isStrDbl(value))
 371                         return convert<string>(100 * convert<double>(value));
 372         }
 373         // If the input string didn't match our expectations.
 374         // return the default value "100"
 375         return "100";
 376 }
 377
 378
 379 string remove_braces(string const & value)
 380 {
 381         if (value.empty())
 382                 return value;
 383         if (value[0] == '{' && value[value.length()-1] == '}')
 384                 return value.substr(1, value.length()-2);
 385         return value;
 386 }
 387
 388 } // anonymous namespace
 389
 390
 391 Preamble::Preamble() : one_language(true)
 392 {
 393         //h_backgroundcolor;
 394         //h_boxbgcolor;
 395         h_cite_engine             = "basic";
 396         h_defskip                 = "medskip";
 397         //h_float_placement;
 398         //h_fontcolor;
 399         h_fontencoding            = "default";
 400         h_font_roman              = "default";
 401         h_font_sans               = "default";
 402         h_font_typewriter         = "default";
 403         h_font_default_family     = "default";
 404         h_font_sc                 = "false";
 405         h_font_osf                = "false";
 406         h_font_sf_scale           = "100";
 407         h_font_tt_scale           = "100";
 408         h_graphics                = "default";
 409         h_html_be_strict          = "false";
 410         h_html_css_as_file        = "0";
 411         h_html_math_output        = "0";
 412         h_inputencoding           = "auto";
 413         h_language                = "english";
 414         h_language_package        = "none";
 415         //h_listings_params;
 416         //h_margins;
 417         //h_notefontcolor;
 418         //h_options;
 419         h_output_changes          = "false";
 420         h_papercolumns            = "1";
 421         h_paperfontsize           = "default";
 422         h_paperorientation        = "portrait";
 423         h_paperpagestyle          = "default";
 424         //h_papersides;
 425         h_papersize               = "default";
 426         h_paragraph_indentation   = "default";
 427         h_paragraph_separation    = "indent";
 428         //h_pdf_title;
 429         //h_pdf_author;
 430         //h_pdf_subject;
 431         //h_pdf_keywords;
 432         h_pdf_bookmarks           = "1";
 433         h_pdf_bookmarksnumbered   = "0";
 434         h_pdf_bookmarksopen       = "0";
 435         h_pdf_bookmarksopenlevel  = "1";
 436         h_pdf_breaklinks          = "0";
 437         h_pdf_pdfborder           = "0";
 438         h_pdf_colorlinks          = "0";
 439         h_pdf_backref             = "section";
 440         h_pdf_pdfusetitle         = "1";
 441         //h_pdf_pagemode;
 442         //h_pdf_quoted_options;
 443         h_quotes_language         = "english";
 444         h_secnumdepth             = "3";
 445         h_spacing                 = "single";
 446         h_suppress_date           = "false";
 447         h_textclass               = "article";
 448         h_tocdepth                = "3";
 449         h_tracking_changes        = "false";
 450         h_use_bibtopic            = "false";
 451         h_use_indices             = "false";
 452         h_use_geometry            = "false";
 453         h_use_amsmath             = "1";
 454         h_use_default_options     = "false";
 455         h_use_esint               = "1";
 456         h_use_hyperref            = "0";
 457         h_use_mhchem              = "0";
 458         h_use_mathdots            = "0";
 459         h_use_refstyle            = "0";
 460         h_use_undertilde          = "0";
 461 }
 462
 463
 464 void Preamble::handle_hyperref(vector<string> & options)
 465 {
 466         // FIXME swallow inputencoding changes that might surround the
 467         //       hyperref setup if it was written by LyX
 468         h_use_hyperref = "1";
 469         // swallow "unicode=true", since LyX does always write that
 470         vector<string>::iterator it =
 471                 find(options.begin(), options.end(), "unicode=true");
 472         if (it != options.end())
 473                 options.erase(it);
 474         it = find(options.begin(), options.end(), "pdfusetitle");
 475         if (it != options.end()) {
 476                 h_pdf_pdfusetitle = "1";
 477                 options.erase(it);
 478         }
 479         string bookmarks = process_keyval_opt(options, "bookmarks");
 480         if (bookmarks == "true")
 481                 h_pdf_bookmarks = "1";
 482         else if (bookmarks == "false")
 483                 h_pdf_bookmarks = "0";
 484         if (h_pdf_bookmarks == "1") {
 485                 string bookmarksnumbered =
 486                         process_keyval_opt(options, "bookmarksnumbered");
 487                 if (bookmarksnumbered == "true")
 488                         h_pdf_bookmarksnumbered = "1";
 489                 else if (bookmarksnumbered == "false")
 490                         h_pdf_bookmarksnumbered = "0";
 491                 string bookmarksopen =
 492                         process_keyval_opt(options, "bookmarksopen");
 493                 if (bookmarksopen == "true")
 494                         h_pdf_bookmarksopen = "1";
 495                 else if (bookmarksopen == "false")
 496                         h_pdf_bookmarksopen = "0";
 497                 if (h_pdf_bookmarksopen == "1") {
 498                         string bookmarksopenlevel =
 499                                 process_keyval_opt(options, "bookmarksopenlevel");
 500                         if (!bookmarksopenlevel.empty())
 501                                 h_pdf_bookmarksopenlevel = bookmarksopenlevel;
 502                 }
 503         }
 504         string breaklinks = process_keyval_opt(options, "breaklinks");
 505         if (breaklinks == "true")
 506                 h_pdf_breaklinks = "1";
 507         else if (breaklinks == "false")
 508                 h_pdf_breaklinks = "0";
 509         string pdfborder = process_keyval_opt(options, "pdfborder");
 510         if (pdfborder == "{0 0 0}")
 511                 h_pdf_pdfborder = "1";
 512         else if (pdfborder == "{0 0 1}")
 513                 h_pdf_pdfborder = "0";
 514         string backref = process_keyval_opt(options, "backref");
 515         if (!backref.empty())
 516                 h_pdf_backref = backref;
 517         string colorlinks = process_keyval_opt(options, "colorlinks");
 518         if (colorlinks == "true")
 519                 h_pdf_colorlinks = "1";
 520         else if (colorlinks == "false")
 521                 h_pdf_colorlinks = "0";
 522         string pdfpagemode = process_keyval_opt(options, "pdfpagemode");
 523         if (!pdfpagemode.empty())
 524                 h_pdf_pagemode = pdfpagemode;
 525         string pdftitle = process_keyval_opt(options, "pdftitle");
 526         if (!pdftitle.empty()) {
 527                 h_pdf_title = remove_braces(pdftitle);
 528         }
 529         string pdfauthor = process_keyval_opt(options, "pdfauthor");
 530         if (!pdfauthor.empty()) {
 531                 h_pdf_author = remove_braces(pdfauthor);
 532         }
 533         string pdfsubject = process_keyval_opt(options, "pdfsubject");
 534         if (!pdfsubject.empty())
 535                 h_pdf_subject = remove_braces(pdfsubject);
 536         string pdfkeywords = process_keyval_opt(options, "pdfkeywords");
 537         if (!pdfkeywords.empty())
 538                 h_pdf_keywords = remove_braces(pdfkeywords);
 539         if (!options.empty()) {
 540                 if (!h_pdf_quoted_options.empty())
 541                         h_pdf_quoted_options += ',';
 542                 h_pdf_quoted_options += join(options, ",");
 543                 options.clear();
 544         }
 545 }
 546
 547
 548 void Preamble::handle_geometry(vector<string> & options)
 549 {
 550         h_use_geometry = "true";
 551         vector<string>::iterator it;
 552         // paper orientation
 553         if ((it = find(options.begin(), options.end(), "landscape")) != options.end()) {
 554                 h_paperorientation = "landscape";
 555                 options.erase(it);
 556         }
 557         // paper size
 558         // keyval version: "paper=letter"
 559         string paper = process_keyval_opt(options, "paper");
 560         if (!paper.empty())
 561                 h_papersize = paper + "paper";
 562         // alternative version: "letterpaper"
 563         handle_opt(options, known_paper_sizes, h_papersize);
 564         delete_opt(options, known_paper_sizes);
 565         // page margins
 566         char const * const * margin = known_paper_margins;
 567         for (; *margin; ++margin) {
 568                 string value = process_keyval_opt(options, *margin);
 569                 if (!value.empty()) {
 570                         int k = margin - known_paper_margins;
 571                         string name = known_coded_paper_margins[k];
 572                         h_margins += '\\' + name + ' ' + value + '\n';
 573                 }
 574         }
 575 }
 576
 577
 578 void Preamble::handle_package(Parser &p, string const & name,
 579                               string const & opts, bool in_lyx_preamble)
 580 {
 581         vector<string> options = split_options(opts);
 582         add_package(name, options);
 583         string scale;
 584
 585         if (is_known(name, known_xetex_packages))
 586                 xetex = true;
 587
 588         // roman fonts
 589         if (is_known(name, known_roman_fonts)) {
 590                 h_font_roman = name;
 591                 p.skip_spaces();
 592         }
 593
 594         if (name == "fourier") {
 595                 h_font_roman = "utopia";
 596                 // when font uses real small capitals
 597                 if (opts == "expert")
 598                         h_font_sc = "true";
 599         }
 600
 601         if (name == "mathpazo")
 602                 h_font_roman = "palatino";
 603
 604         if (name == "mathptmx")
 605                 h_font_roman = "times";
 606
 607         // sansserif fonts
 608         if (is_known(name, known_sans_fonts)) {
 609                 h_font_sans = name;
 610                 if (!opts.empty()) {
 611                         scale = opts;
 612                         h_font_sf_scale = scale_as_percentage(scale);
 613                 }
 614         }
 615
 616         // typewriter fonts
 617         if (is_known(name, known_typewriter_fonts)) {
 618                 // fourier can be set as roman font _only_
 619                 // fourier as typewriter is handled in handling of \ttdefault
 620                 if (name != "fourier") {
 621                         h_font_typewriter = name;
 622                         if (!opts.empty()) {
 623                                 scale = opts;
 624                                 h_font_tt_scale = scale_as_percentage(scale);
 625                         }
 626                 }
 627         }
 628
 629         // font uses old-style figure
 630         if (name == "eco")
 631                 h_font_osf = "true";
 632
 633         // after the detection and handling of special cases, we can remove the
 634         // fonts, otherwise they would appear in the preamble, see bug #7856
 635         if (is_known(name, known_roman_fonts) || is_known(name, known_sans_fonts)
 636                 ||      is_known(name, known_typewriter_fonts))
 637                 ;
 638
 639         else if (name == "amsmath" || name == "amssymb")
 640                 h_use_amsmath = "2";
 641
 642         else if (name == "esint")
 643                 h_use_esint = "2";
 644
 645         else if (name == "mhchem")
 646                 h_use_mhchem = "2";
 647
 648         else if (name == "mathdots")
 649                 h_use_mathdots = "2";
 650
 651         else if (name == "undertilde")
 652                 h_use_undertilde = "2";
 653
 654         else if (name == "babel") {
 655                 h_language_package = "default";
 656                 // One might think we would have to do nothing if babel is loaded
 657                 // without any options to prevent pollution of the preamble with this
 658                 // babel call in every roundtrip.
 659                 // But the user could have defined babel-specific things afterwards. So
 660                 // we need to keep it in the preamble to prevent cases like bug #7861.
 661                 if (!opts.empty()) {
 662                         // check if more than one option was used - used later for inputenc
 663                         if (options.begin() != options.end() - 1)
 664                                 one_language = false;
 665                         // babel takes the last language of the option of its \usepackage
 666                         // call as document language. If there is no such language option, the
 667                         // last language in the documentclass options is used.
 668                         handle_opt(options, known_languages, h_language);
 669                         // If babel is called with options, LyX puts them by default into the
 670                         // document class options. This works for most languages, except
 671                         // for Latvian, Lithuanian, Mongolian, Turkmen and Vietnamese and
 672                         // perhaps in future others.
 673                         // Therefore keep the babel call as it is as the user might have
 674                         // reasons for it.
 675                         h_preamble << "\\usepackage[" << opts << "]{babel}\n";
 676                         delete_opt(options, known_languages);
 677                 }
 678                 else
 679                         h_preamble << "\\usepackage{babel}\n";
 680         }
 681
 682         else if (name == "fontenc") {
 683                 h_fontencoding = getStringFromVector(options, ",");
 684                 /* We could do the following for better round trip support,
 685                  * but this makes the document less portable, so I skip it:
 686                 if (h_fontencoding == lyxrc.fontenc)
 687                         h_fontencoding = "global";
 688                  */
 689                 options.clear();
 690         }
 691
 692         else if (name == "inputenc" || name == "luainputenc") {
 693                 // h_inputencoding is only set when there is not more than one
 694                 // inputenc option because otherwise h_inputencoding must be
 695                 // set to "auto" (the default encoding of the document language)
 696                 // Therefore check for the "," character.
 697                 // It is also only set when there is not more than one babel
 698                 // language option.
 699                 if (opts.find(",") == string::npos && one_language == true)
 700                         h_inputencoding = opts;
 701                 if (!options.empty())
 702                         p.setEncoding(options.back());
 703                 options.clear();
 704         }
 705
 706         else if (is_known(name, known_old_language_packages)) {
 707                 // known language packages from the times before babel
 708                 // if they are found and not also babel, they will be used as
 709                 // custom language package
 710                 h_language_package = "\\usepackage{" + name + "}";
 711         }
 712
 713         else if (name == "prettyref")
 714                 ; // ignore this FIXME: Use the package separator mechanism instead
 715
 716         else if (name == "varioref")
 717                 ; // ignore this FIXME: Use the package separator mechanism instead
 718
 719         else if (name == "verbatim")
 720                 ; // ignore this FIXME: Use the package separator mechanism instead
 721
 722         else if (name == "textcomp")
 723                 ; // ignore this FIXME: Use the package separator mechanism instead
 724
 725         else if (name == "lyxskak") {
 726                 // ignore this and its options
 727                 if (!options.empty())
 728                         options.clear();
 729         }
 730
 731         else if (name == "array" || name == "booktabs" || name == "float" ||
 732                  name == "color" || name == "hhline" || name == "longtable" ||
 733                  name == "makeidx" || name == "nomencl" || name == "splitidx" ||
 734                  name == "setspace" || name == "subscript" || name == "ulem" ||
 735                  name == "url") {
 736                 if (!in_lyx_preamble)
 737                         h_preamble << package_beg_sep << name
 738                                    << package_mid_sep << "\\usepackage{"
 739                                    << name << '}' << package_end_sep;
 740         }
 741
 742         else if (name == "graphicx")
 743                 ; // ignore this FIXME: Use the package separator mechanism instead
 744
 745         else if (name == "geometry")
 746                 handle_geometry(options);
 747
 748         else if (name == "rotfloat")
 749                 ; // ignore this FIXME: Use the package separator mechanism instead
 750
 751         else if (name == "wrapfig")
 752                 ; // ignore this FIXME: Use the package separator mechanism instead
 753
 754         else if (name == "subfig")
 755                 ; // ignore this FIXME: Use the package separator mechanism instead
 756
 757         else if (is_known(name, known_languages))
 758                 h_language = name;
 759
 760         else if (name == "natbib") {
 761                 h_cite_engine = "natbib_authoryear";
 762                 vector<string>::iterator it =
 763                         find(options.begin(), options.end(), "authoryear");
 764                 if (it != options.end())
 765                         options.erase(it);
 766                 else {
 767                         it = find(options.begin(), options.end(), "numbers");
 768                         if (it != options.end()) {
 769                                 h_cite_engine = "natbib_numerical";
 770                                 options.erase(it);
 771                         }
 772                 }
 773         }
 774
 775         else if (name == "jurabib")
 776                 h_cite_engine = "jurabib";
 777
 778         else if (name == "hyperref")
 779                 handle_hyperref(options);
 780
 781         else if (!in_lyx_preamble) {
 782                 if (options.empty())
 783                         h_preamble << "\\usepackage{" << name << "}";
 784                 else {
 785                         h_preamble << "\\usepackage[" << opts << "]{"
 786                                    << name << "}";
 787                         options.clear();
 788                 }
 789         }
 790
 791         // We need to do something with the options...
 792         if (!options.empty())
 793                 cerr << "Ignoring options '" << join(options, ",")
 794                      << "' of package " << name << '.' << endl;
 795
 796         // remove the whitespace
 797         p.skip_spaces();
 798 }
 799
 800
 801 void Preamble::handle_if(Parser & p, bool in_lyx_preamble)
 802 {
 803         while (p.good()) {
 804                 Token t = p.get_token();
 805                 if (t.cat() == catEscape &&
 806                     is_known(t.cs(), known_if_commands))
 807                         handle_if(p, in_lyx_preamble);
 808                 else {
 809                         if (!in_lyx_preamble)
 810                                 h_preamble << t.asInput();
 811                         if (t.cat() == catEscape && t.cs() == "fi")
 812                                 return;
 813                 }
 814         }
 815 }
 816
 817
 818 bool Preamble::writeLyXHeader(ostream & os)
 819 {
 820         // translate from babel to LyX names
 821         h_language = babel2lyx(h_language);
 822
 823         // set the quote language
 824         // LyX only knows the following quotes languages:
 825         // english, swedish, german, polish, french and danish
 826         // (quotes for "japanese" and "chinese-traditional" are missing because
 827         //  they wouldn't be useful: http://www.lyx.org/trac/ticket/6383)
 828         // conversion list taken from
 829         // http://en.wikipedia.org/wiki/Quotation_mark,_non-English_usage
 830         // (quotes for kazakh and interlingua are unknown)
 831         // danish
 832         if (h_language == "danish")
 833                 h_quotes_language = "danish";
 834         // french
 835         else if (is_known(h_language, known_french_quotes_languages))
 836                 h_quotes_language = "french";
 837         // german
 838         else if (is_known(h_language, known_german_quotes_languages))
 839                 h_quotes_language = "german";
 840         // polish
 841         else if (is_known(h_language, known_polish_quotes_languages))
 842                 h_quotes_language = "polish";
 843         // swedish
 844         else if (is_known(h_language, known_swedish_quotes_languages))
 845                 h_quotes_language = "swedish";
 846         //english
 847         else if (is_known(h_language, known_english_quotes_languages))
 848                 h_quotes_language = "english";
 849
 850         if (contains(h_float_placement, "H"))
 851                 registerAutomaticallyLoadedPackage("float");
 852         if (h_spacing != "single" && h_spacing != "default")
 853                 registerAutomaticallyLoadedPackage("setspace");
 854
 855         // output the LyX file settings
 856         os << "#LyX file created by tex2lyx " << PACKAGE_VERSION << "\n"
 857            << "\\lyxformat " << LYX_FORMAT << '\n'
 858            << "\\begin_document\n"
 859            << "\\begin_header\n"
 860            << "\\textclass " << h_textclass << "\n";
 861         string const raw = h_preamble.str();
 862         if (!raw.empty()) {
 863                 os << "\\begin_preamble\n";
 864                 for (string::size_type i = 0; i < raw.size(); ++i) {
 865                         if (raw[i] == package_beg_sep) {
 866                                 // Here follows some package loading code that
 867                                 // must be skipped if the package is loaded
 868                                 // automatically.
 869                                 string::size_type j = raw.find(package_mid_sep, i);
 870                                 if (j == string::npos)
 871                                         return false;
 872                                 string::size_type k = raw.find(package_end_sep, j);
 873                                 if (k == string::npos)
 874                                         return false;
 875                                 string const package = raw.substr(i + 1, j - i - 1);
 876                                 string const replacement = raw.substr(j + 1, k - j - 1);
 877                                 if (auto_packages.find(package) == auto_packages.end())
 878                                         os << replacement;
 879                                 i = k;
 880                         } else
 881                                 os.put(raw[i]);
 882                 }
 883                 os << "\n\\end_preamble\n";
 884         }
 885         if (!h_options.empty())
 886                 os << "\\options " << h_options << "\n";
 887         os << "\\use_default_options " << h_use_default_options << "\n";
 888         if (!used_modules.empty()) {
 889                 os << "\\begin_modules\n";
 890                 vector<string>::const_iterator const end = used_modules.end();
 891                 vector<string>::const_iterator it = used_modules.begin();
 892                 for (; it != end; it++)
 893                         os << *it << '\n';
 894                 os << "\\end_modules\n";
 895         }
 896         os << "\\language " << h_language << "\n"
 897            << "\\language_package " << h_language_package << "\n"
 898            << "\\inputencoding " << h_inputencoding << "\n"
 899            << "\\fontencoding " << h_fontencoding << "\n"
 900            << "\\font_roman " << h_font_roman << "\n"
 901            << "\\font_sans " << h_font_sans << "\n"
 902            << "\\font_typewriter " << h_font_typewriter << "\n"
 903            << "\\font_default_family " << h_font_default_family << "\n"
 904            << "\\font_sc " << h_font_sc << "\n"
 905            << "\\font_osf " << h_font_osf << "\n"
 906            << "\\font_sf_scale " << h_font_sf_scale << "\n"
 907            << "\\font_tt_scale " << h_font_tt_scale << "\n"
 908            << "\\graphics " << h_graphics << "\n";
 909         if (!h_float_placement.empty())
 910                 os << "\\float_placement " << h_float_placement << "\n";
 911         os << "\\paperfontsize " << h_paperfontsize << "\n"
 912            << "\\spacing " << h_spacing << "\n"
 913            << "\\use_hyperref " << h_use_hyperref << '\n';
 914         if (h_use_hyperref == "1") {
 915                 if (!h_pdf_title.empty())
 916                         os << "\\pdf_title \"" << h_pdf_title << "\"\n";
 917                 if (!h_pdf_author.empty())
 918                         os << "\\pdf_author \"" << h_pdf_author << "\"\n";
 919                 if (!h_pdf_subject.empty())
 920                         os << "\\pdf_subject \"" << h_pdf_subject << "\"\n";
 921                 if (!h_pdf_keywords.empty())
 922                         os << "\\pdf_keywords \"" << h_pdf_keywords << "\"\n";
 923                 os << "\\pdf_bookmarks " << h_pdf_bookmarks << "\n"
 924                       "\\pdf_bookmarksnumbered " << h_pdf_bookmarksnumbered << "\n"
 925                       "\\pdf_bookmarksopen " << h_pdf_bookmarksopen << "\n"
 926                       "\\pdf_bookmarksopenlevel " << h_pdf_bookmarksopenlevel << "\n"
 927                       "\\pdf_breaklinks " << h_pdf_breaklinks << "\n"
 928                       "\\pdf_pdfborder " << h_pdf_pdfborder << "\n"
 929                       "\\pdf_colorlinks " << h_pdf_colorlinks << "\n"
 930                       "\\pdf_backref " << h_pdf_backref << "\n"
 931                       "\\pdf_pdfusetitle " << h_pdf_pdfusetitle << '\n';
 932                 if (!h_pdf_pagemode.empty())
 933                         os << "\\pdf_pagemode " << h_pdf_pagemode << '\n';
 934                 if (!h_pdf_quoted_options.empty())
 935                         os << "\\pdf_quoted_options \"" << h_pdf_quoted_options << "\"\n";
 936         }
 937         os << "\\papersize " << h_papersize << "\n"
 938            << "\\use_geometry " << h_use_geometry << "\n"
 939            << "\\use_amsmath " << h_use_amsmath << "\n"
 940            << "\\use_esint " << h_use_esint << "\n"
 941            << "\\use_mhchem " << h_use_mhchem << "\n"
 942            << "\\use_mathdots " << h_use_mathdots << "\n"
 943            << "\\use_undertilde " << h_use_undertilde << "\n"
 944            << "\\cite_engine " << h_cite_engine << "\n"
 945            << "\\use_bibtopic " << h_use_bibtopic << "\n"
 946            << "\\use_indices " << h_use_indices << "\n"
 947            << "\\paperorientation " << h_paperorientation << '\n'
 948            << "\\suppress_date " << h_suppress_date << '\n'
 949            << "\\use_refstyle " << h_use_refstyle << '\n';
 950         if (!h_fontcolor.empty())
 951                 os << "\\fontcolor " << h_fontcolor << '\n';
 952         if (!h_notefontcolor.empty())
 953                 os << "\\notefontcolor " << h_notefontcolor << '\n';
 954         if (!h_backgroundcolor.empty())
 955                 os << "\\backgroundcolor " << h_backgroundcolor << '\n';
 956         if (!h_boxbgcolor.empty())
 957                 os << "\\boxbgcolor " << h_boxbgcolor << '\n';
 958         os << h_margins
 959            << "\\secnumdepth " << h_secnumdepth << "\n"
 960            << "\\tocdepth " << h_tocdepth << "\n"
 961            << "\\paragraph_separation " << h_paragraph_separation << "\n";
 962         if (h_paragraph_separation == "skip")
 963                 os << "\\defskip " << h_defskip << "\n";
 964         else
 965                 os << "\\paragraph_indentation " << h_paragraph_indentation << "\n";
 966         os << "\\quotes_language " << h_quotes_language << "\n"
 967            << "\\papercolumns " << h_papercolumns << "\n"
 968            << "\\papersides " << h_papersides << "\n"
 969            << "\\paperpagestyle " << h_paperpagestyle << "\n";
 970         if (!h_listings_params.empty())
 971                 os << "\\listings_params " << h_listings_params << "\n";
 972         os << "\\tracking_changes " << h_tracking_changes << "\n"
 973            << "\\output_changes " << h_output_changes << "\n"
 974            << "\\html_math_output " << h_html_math_output << "\n"
 975            << "\\html_css_as_file " << h_html_css_as_file << "\n"
 976            << "\\html_be_strict " << h_html_be_strict << "\n"
 977            << authors_
 978            << "\\end_header\n\n"
 979            << "\\begin_body\n";
 980         // clear preamble for subdocuments
 981         h_preamble.str("");
 982         return true;
 983 }
 984
 985
 986 void Preamble::parse(Parser & p, string const & forceclass,
 987                      TeX2LyXDocClass & tc)
 988 {
 989         // initialize fixed types
 990         special_columns['D'] = 3;
 991         bool is_full_document = false;
 992         bool is_lyx_file = false;
 993         bool in_lyx_preamble = false;
 994
 995         // determine whether this is a full document or a fragment for inclusion
 996         while (p.good()) {
 997                 Token const & t = p.get_token();
 998
 999                 if (t.cat() == catEscape && t.cs() == "documentclass") {
1000                         is_full_document = true;
1001                         break;
1002                 }
1003         }
1004         p.reset();
1005
1006         while (is_full_document && p.good()) {
1007                 Token const & t = p.get_token();
1008
1009 #ifdef FILEDEBUG
1010                 cerr << "t: " << t << "\n";
1011 #endif
1012
1013                 //
1014                 // cat codes
1015                 //
1016                 if (!in_lyx_preamble &&
1017                     (t.cat() == catLetter ||
1018                      t.cat() == catSuper ||
1019                      t.cat() == catSub ||
1020                      t.cat() == catOther ||
1021                      t.cat() == catMath ||
1022                      t.cat() == catActive ||
1023                      t.cat() == catBegin ||
1024                      t.cat() == catEnd ||
1025                      t.cat() == catAlign ||
1026                      t.cat() == catParameter))
1027                         h_preamble << t.cs();
1028
1029                 else if (!in_lyx_preamble &&
1030                          (t.cat() == catSpace || t.cat() == catNewline))
1031                         h_preamble << t.asInput();
1032
1033                 else if (t.cat() == catComment) {
1034                         static regex const islyxfile("%% LyX .* created this file");
1035                         static regex const usercommands("User specified LaTeX commands");
1036
1037                         string const comment = t.asInput();
1038
1039                         // magically switch encoding default if it looks like XeLaTeX
1040                         static string const magicXeLaTeX =
1041                                 "% This document must be compiled with XeLaTeX ";
1042                         if (comment.size() > magicXeLaTeX.size()
1043                                   && comment.substr(0, magicXeLaTeX.size()) == magicXeLaTeX
1044                                   && h_inputencoding == "auto") {
1045                                 cerr << "XeLaTeX comment found, switching to UTF8\n";
1046                                 h_inputencoding = "utf8";
1047                         }
1048                         smatch sub;
1049                         if (regex_search(comment, sub, islyxfile)) {
1050                                 is_lyx_file = true;
1051                                 in_lyx_preamble = true;
1052                         } else if (is_lyx_file
1053                                    && regex_search(comment, sub, usercommands))
1054                                 in_lyx_preamble = false;
1055                         else if (!in_lyx_preamble)
1056                                 h_preamble << t.asInput();
1057                 }
1058
1059                 else if (t.cs() == "pagestyle")
1060                         h_paperpagestyle = p.verbatim_item();
1061
1062                 else if (t.cs() == "date") {
1063                         string argument = p.getArg('{', '}');
1064                         if (argument.empty())
1065                                 h_suppress_date = "true";
1066                         else
1067                                 h_preamble << t.asInput() << '{' << argument << '}';
1068                 }
1069
1070                 else if (t.cs() == "color") {
1071                         string const space =
1072                                 (p.hasOpt() ? p.getOpt() : string());
1073                         string argument = p.getArg('{', '}');
1074                         // check the case that a standard color is used
1075                         if (space.empty() && is_known(argument, known_basic_colors)) {
1076                                 h_fontcolor = rgbcolor2code(argument);
1077                                 preamble.registerAutomaticallyLoadedPackage("color");
1078                         } else if (space.empty() && argument == "document_fontcolor")
1079                                 preamble.registerAutomaticallyLoadedPackage("color");
1080                         // check the case that LyX's document_fontcolor is defined
1081                         // but not used for \color
1082                         else {
1083                                 h_preamble << t.asInput();
1084                                 if (!space.empty())
1085                                         h_preamble << space;
1086                                 h_preamble << '{' << argument << '}';
1087                                 // the color might already be set because \definecolor
1088                                 // is parsed before this
1089                                 h_fontcolor = "";
1090                         }
1091                 }
1092
1093                 else if (t.cs() == "pagecolor") {
1094                         string argument = p.getArg('{', '}');
1095                         // check the case that a standard color is used
1096                         if (is_known(argument, known_basic_colors)) {
1097                                 h_backgroundcolor = rgbcolor2code(argument);
1098                         } else if (argument == "page_backgroundcolor")
1099                                 preamble.registerAutomaticallyLoadedPackage("color");
1100                         // check the case that LyX's page_backgroundcolor is defined
1101                         // but not used for \pagecolor
1102                         else {
1103                                 h_preamble << t.asInput() << '{' << argument << '}';
1104                                 // the color might already be set because \definecolor
1105                                 // is parsed before this
1106                                 h_backgroundcolor = "";
1107                         }
1108                 }
1109
1110                 else if (t.cs() == "makeatletter") {
1111                         // LyX takes care of this
1112                         p.setCatCode('@', catLetter);
1113                 }
1114
1115                 else if (t.cs() == "makeatother") {
1116                         // LyX takes care of this
1117                         p.setCatCode('@', catOther);
1118                 }
1119
1120                 else if (t.cs() == "newcommand" || t.cs() == "newcommandx"
1121                       || t.cs() == "renewcommand" || t.cs() == "renewcommandx"
1122                       || t.cs() == "providecommand" || t.cs() == "providecommandx"
1123                                 || t.cs() == "DeclareRobustCommand"
1124                       || t.cs() == "DeclareRobustCommandx"
1125                                 || t.cs() == "ProvideTextCommandDefault"
1126                                 || t.cs() == "DeclareMathAccent") {
1127                         bool star = false;
1128                         if (p.next_token().character() == '*') {
1129                                 p.get_token();
1130                                 star = true;
1131                         }
1132                         string const name = p.verbatim_item();
1133                         string const opt1 = p.getFullOpt();
1134                         string const opt2 = p.getFullOpt();
1135                         string const body = p.verbatim_item();
1136                         // font settings
1137                         if (name == "\\rmdefault")
1138                                 if (is_known(body, known_roman_fonts))
1139                                         h_font_roman = body;
1140                         if (name == "\\sfdefault")
1141                                 if (is_known(body, known_sans_fonts))
1142                                         h_font_sans = body;
1143                         if (name == "\\ttdefault")
1144                                 if (is_known(body, known_typewriter_fonts))
1145                                         h_font_typewriter = body;
1146                         if (name == "\\familydefault") {
1147                                 string family = body;
1148                                 // remove leading "\"
1149                                 h_font_default_family = family.erase(0,1);
1150                         }
1151
1152                         // remove the lyxdot definition that is re-added by LyX
1153                         // if necessary
1154                         if (name == "\\lyxdot")
1155                                 in_lyx_preamble = true;
1156
1157                         // Add the command to the known commands
1158                         add_known_command(name, opt1, !opt2.empty(), from_utf8(body));
1159
1160                         // only non-lyxspecific stuff
1161                         if (!in_lyx_preamble) {
1162                                 ostringstream ss;
1163                                 ss << '\\' << t.cs();
1164                                 if (star)
1165                                         ss << '*';
1166                                 ss << '{' << name << '}' << opt1 << opt2
1167                                    << '{' << body << "}";
1168                                 h_preamble << ss.str();
1169 /*
1170                                 ostream & out = in_preamble ? h_preamble : os;
1171                                 out << "\\" << t.cs() << "{" << name << "}"
1172                                     << opts << "{" << body << "}";
1173 */
1174                         }
1175                 }
1176
1177                 else if (t.cs() == "documentclass") {
1178                         vector<string>::iterator it;
1179                         vector<string> opts = split_options(p.getArg('[', ']'));
1180                         handle_opt(opts, known_fontsizes, h_paperfontsize);
1181                         delete_opt(opts, known_fontsizes);
1182                         // delete "pt" at the end
1183                         string::size_type i = h_paperfontsize.find("pt");
1184                         if (i != string::npos)
1185                                 h_paperfontsize.erase(i);
1186                         // The documentclass options are always parsed before the options
1187                         // of the babel call so that a language cannot overwrite the babel
1188                         // options.
1189                         handle_opt(opts, known_languages, h_language);
1190                         delete_opt(opts, known_languages);
1191
1192                         // paper orientation
1193                         if ((it = find(opts.begin(), opts.end(), "landscape")) != opts.end()) {
1194                                 h_paperorientation = "landscape";
1195                                 opts.erase(it);
1196                         }
1197                         // paper sides
1198                         if ((it = find(opts.begin(), opts.end(), "oneside"))
1199                                  != opts.end()) {
1200                                 h_papersides = "1";
1201                                 opts.erase(it);
1202                         }
1203                         if ((it = find(opts.begin(), opts.end(), "twoside"))
1204                                  != opts.end()) {
1205                                 h_papersides = "2";
1206                                 opts.erase(it);
1207                         }
1208                         // paper columns
1209                         if ((it = find(opts.begin(), opts.end(), "onecolumn"))
1210                                  != opts.end()) {
1211                                 h_papercolumns = "1";
1212                                 opts.erase(it);
1213                         }
1214                         if ((it = find(opts.begin(), opts.end(), "twocolumn"))
1215                                  != opts.end()) {
1216                                 h_papercolumns = "2";
1217                                 opts.erase(it);
1218                         }
1219                         // paper sizes
1220                         // some size options are known to any document classes, other sizes
1221                         // are handled by the \geometry command of the geometry package
1222                         handle_opt(opts, known_class_paper_sizes, h_papersize);
1223                         delete_opt(opts, known_class_paper_sizes);
1224                         // the remaining options
1225                         h_options = join(opts, ",");
1226                         // FIXME This does not work for classes that have a
1227                         //       different name in LyX than in LaTeX
1228                         h_textclass = p.getArg('{', '}');
1229                 }
1230
1231                 else if (t.cs() == "usepackage") {
1232                         string const options = p.getArg('[', ']');
1233                         string const name = p.getArg('{', '}');
1234                         vector<string> vecnames;
1235                         split(name, vecnames, ',');
1236                         vector<string>::const_iterator it  = vecnames.begin();
1237                         vector<string>::const_iterator end = vecnames.end();
1238                         for (; it != end; ++it)
1239                                 handle_package(p, trimSpaceAndEol(*it), options,
1240                                                in_lyx_preamble);
1241                 }
1242
1243                 else if (t.cs() == "inputencoding") {
1244                         string const encoding = p.getArg('{','}');
1245                         h_inputencoding = encoding;
1246                         p.setEncoding(encoding);
1247                 }
1248
1249                 else if (t.cs() == "newenvironment") {
1250                         string const name = p.getArg('{', '}');
1251                         string const opt1 = p.getFullOpt();
1252                         string const opt2 = p.getFullOpt();
1253                         string const beg = p.verbatim_item();
1254                         string const end = p.verbatim_item();
1255                         if (!in_lyx_preamble) {
1256                                 h_preamble << "\\newenvironment{" << name
1257                                            << '}' << opt1 << opt2 << '{'
1258                                            << beg << "}{" << end << '}';
1259                         }
1260                         add_known_environment(name, opt1, !opt2.empty(),
1261                                               from_utf8(beg), from_utf8(end));
1262
1263                 }
1264
1265                 else if (t.cs() == "def") {
1266                         string name = p.get_token().cs();
1267                         while (p.next_token().cat() != catBegin)
1268                                 name += p.get_token().cs();
1269                         if (!in_lyx_preamble)
1270                                 h_preamble << "\\def\\" << name << '{'
1271                                            << p.verbatim_item() << "}";
1272                 }
1273
1274                 else if (t.cs() == "newcolumntype") {
1275                         string const name = p.getArg('{', '}');
1276                         trimSpaceAndEol(name);
1277                         int nargs = 0;
1278                         string opts = p.getOpt();
1279                         if (!opts.empty()) {
1280                                 istringstream is(string(opts, 1));
1281                                 is >> nargs;
1282                         }
1283                         special_columns[name[0]] = nargs;
1284                         h_preamble << "\\newcolumntype{" << name << "}";
1285                         if (nargs)
1286                                 h_preamble << "[" << nargs << "]";
1287                         h_preamble << "{" << p.verbatim_item() << "}";
1288                 }
1289
1290                 else if (t.cs() == "setcounter") {
1291                         string const name = p.getArg('{', '}');
1292                         string const content = p.getArg('{', '}');
1293                         if (name == "secnumdepth")
1294                                 h_secnumdepth = content;
1295                         else if (name == "tocdepth")
1296                                 h_tocdepth = content;
1297                         else
1298                                 h_preamble << "\\setcounter{" << name << "}{" << content << "}";
1299                 }
1300
1301                 else if (t.cs() == "setlength") {
1302                         string const name = p.verbatim_item();
1303                         string const content = p.verbatim_item();
1304                         // the paragraphs are only not indented when \parindent is set to zero
1305                         if (name == "\\parindent" && content != "") {
1306                                 if (content[0] == '0')
1307                                         h_paragraph_separation = "skip";
1308                                 else
1309                                         h_paragraph_indentation = translate_len(content);
1310                         } else if (name == "\\parskip") {
1311                                 if (content == "\\smallskipamount")
1312                                         h_defskip = "smallskip";
1313                                 else if (content == "\\medskipamount")
1314                                         h_defskip = "medskip";
1315                                 else if (content == "\\bigskipamount")
1316                                         h_defskip = "bigskip";
1317                                 else
1318                                         h_defskip = content;
1319                         } else
1320                                 h_preamble << "\\setlength{" << name << "}{" << content << "}";
1321                 }
1322
1323                 else if (t.cs() == "onehalfspacing")
1324                         h_spacing = "onehalf";
1325
1326                 else if (t.cs() == "doublespacing")
1327                         h_spacing = "double";
1328
1329                 else if (t.cs() == "setstretch")
1330                         h_spacing = "other " + p.verbatim_item();
1331
1332                 else if (t.cs() == "begin") {
1333                         string const name = p.getArg('{', '}');
1334                         if (name == "document")
1335                                 break;
1336                         h_preamble << "\\begin{" << name << "}";
1337                 }
1338
1339                 else if (t.cs() == "geometry") {
1340                         vector<string> opts = split_options(p.getArg('{', '}'));
1341                         handle_geometry(opts);
1342                 }
1343
1344                 else if (t.cs() == "definecolor") {
1345                         string const color = p.getArg('{', '}');
1346                         string const space = p.getArg('{', '}');
1347                         string const value = p.getArg('{', '}');
1348                         if (color == "document_fontcolor" && space == "rgb") {
1349                                 RGBColor c(RGBColorFromLaTeX(value));
1350                                 h_fontcolor = X11hexname(c);
1351                         } else if (color == "note_fontcolor" && space == "rgb") {
1352                                 RGBColor c(RGBColorFromLaTeX(value));
1353                                 h_notefontcolor = X11hexname(c);
1354                         } else if (color == "page_backgroundcolor" && space == "rgb") {
1355                                 RGBColor c(RGBColorFromLaTeX(value));
1356                                 h_backgroundcolor = X11hexname(c);
1357                         } else if (color == "shadecolor" && space == "rgb") {
1358                                 RGBColor c(RGBColorFromLaTeX(value));
1359                                 h_boxbgcolor = X11hexname(c);
1360                         } else {
1361                                 h_preamble << "\\definecolor{" << color
1362                                            << "}{" << space << "}{" << value
1363                                            << '}';
1364                         }
1365                 }
1366
1367                 else if (t.cs() == "jurabibsetup") {
1368                         // FIXME p.getArg('{', '}') is most probably wrong (it
1369                         //       does not handle nested braces).
1370                         //       Use p.verbatim_item() instead.
1371                         vector<string> jurabibsetup =
1372                                 split_options(p.getArg('{', '}'));
1373                         // add jurabibsetup to the jurabib package options
1374                         add_package("jurabib", jurabibsetup);
1375                         if (!jurabibsetup.empty()) {
1376                                 h_preamble << "\\jurabibsetup{"
1377                                            << join(jurabibsetup, ",") << '}';
1378                         }
1379                 }
1380
1381                 else if (t.cs() == "hypersetup") {
1382                         vector<string> hypersetup =
1383                                 split_options(p.verbatim_item());
1384                         // add hypersetup to the hyperref package options
1385                         handle_hyperref(hypersetup);
1386                         if (!hypersetup.empty()) {
1387                                 h_preamble << "\\hypersetup{"
1388                                            << join(hypersetup, ",") << '}';
1389                         }
1390                 }
1391
1392                 else if (is_known(t.cs(), known_if_3arg_commands)) {
1393                         // prevent misparsing of \usepackage if it is used
1394                         // as an argument (see e.g. our own output of
1395                         // \@ifundefined above)
1396                         string const arg1 = p.verbatim_item();
1397                         string const arg2 = p.verbatim_item();
1398                         string const arg3 = p.verbatim_item();
1399                         // test case \@ifundefined{date}{}{\date{}}
1400                         if (t.cs() == "@ifundefined" && arg1 == "date" &&
1401                             arg2.empty() && arg3 == "\\date{}") {
1402                                 h_suppress_date = "true";
1403                         // older tex2lyx versions did output
1404                         // \@ifundefined{definecolor}{\usepackage{color}}{}
1405                         } else if (t.cs() == "@ifundefined" &&
1406                                    arg1 == "definecolor" &&
1407                                    arg2 == "\\usepackage{color}" &&
1408                                    arg3.empty()) {
1409                                 if (!in_lyx_preamble)
1410                                         h_preamble << package_beg_sep
1411                                                    << "color"
1412                                                    << package_mid_sep
1413                                                    << "\\@ifundefined{definecolor}{color}{}"
1414                                                    << package_end_sep;
1415                         // test for case
1416                         //\@ifundefined{showcaptionsetup}{}{%
1417                         // \PassOptionsToPackage{caption=false}{subfig}}
1418                         // that LyX uses for subfloats
1419                         } else if (t.cs() == "@ifundefined" &&
1420                                    arg1 == "showcaptionsetup" && arg2.empty()
1421                                 && arg3 == "%\n \\PassOptionsToPackage{caption=false}{subfig}") {
1422                                 ; // do nothing
1423                         } else if (!in_lyx_preamble) {
1424                                 h_preamble << t.asInput()
1425                                            << '{' << arg1 << '}'
1426                                            << '{' << arg2 << '}'
1427                                            << '{' << arg3 << '}';
1428                         }
1429                 }
1430
1431                 else if (is_known(t.cs(), known_if_commands)) {
1432                         // must not parse anything in conditional code, since
1433                         // LyX would output the parsed contents unconditionally
1434                         if (!in_lyx_preamble)
1435                                 h_preamble << t.asInput();
1436                         handle_if(p, in_lyx_preamble);
1437                 }
1438
1439                 else if (!t.cs().empty() && !in_lyx_preamble)
1440                         h_preamble << '\\' << t.cs();
1441         }
1442
1443         // remove the whitespace
1444         p.skip_spaces();
1445
1446         // Force textclass if the user wanted it
1447         if (!forceclass.empty())
1448                 h_textclass = forceclass;
1449         if (noweb_mode && !prefixIs(h_textclass, "literate-"))
1450                 h_textclass.insert(0, "literate-");
1451         tc.setName(h_textclass);
1452         if (!tc.load()) {
1453                 cerr << "Error: Could not read layout file for textclass \"" << h_textclass << "\"." << endl;
1454                 exit(EXIT_FAILURE);
1455         }
1456         if (h_papersides.empty()) {
1457                 ostringstream ss;
1458                 ss << tc.sides();
1459                 h_papersides = ss.str();
1460         }
1461 }
1462
1463
1464 string babel2lyx(string const & language)
1465 {
1466         char const * const * where = is_known(language, known_languages);
1467         if (where)
1468                 return known_coded_languages[where - known_languages];
1469         return language;
1470 }
1471
1472
1473 string rgbcolor2code(string const & name)
1474 {
1475         char const * const * where = is_known(name, known_basic_colors);
1476         if (where) {
1477                 // "red", "green" etc
1478                 return known_basic_color_codes[where - known_basic_colors];
1479         }
1480         // "255,0,0", "0,255,0" etc
1481         RGBColor c(RGBColorFromLaTeX(name));
1482         return X11hexname(c);
1483 }
1484
1485 // }])
1486
1487
1488 } // namespace lyx