src/BufferParams.cpp

   1 /**
   2  * \file BufferParams.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author John Levon
  10  * \author André Pönitz
  11  * \author Martin Vermeer
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "BufferParams.h"
  19
  20 #include "Author.h"
  21 #include "LayoutFile.h"
  22 #include "BranchList.h"
  23 #include "buffer_funcs.h"
  24 #include "Bullet.h"
  25 #include "Color.h"
  26 #include "ColorSet.h"
  27 #include "Converter.h"
  28 #include "Encoding.h"
  29 #include "HSpace.h"
  30 #include "IndicesList.h"
  31 #include "Language.h"
  32 #include "LaTeXFeatures.h"
  33 #include "ModuleList.h"
  34 #include "Font.h"
  35 #include "Lexer.h"
  36 #include "LyXRC.h"
  37 #include "OutputParams.h"
  38 #include "Spacing.h"
  39 #include "TexRow.h"
  40 #include "VSpace.h"
  41 #include "PDFOptions.h"
  42
  43 #include "frontends/alert.h"
  44
  45 #include "insets/InsetListingsParams.h"
  46
  47 #include "support/convert.h"
  48 #include "support/debug.h"
  49 #include "support/docstream.h"
  50 #include "support/FileName.h"
  51 #include "support/filetools.h"
  52 #include "support/gettext.h"
  53 #include "support/Messages.h"
  54 #include "support/Translator.h"
  55 #include "support/lstrings.h"
  56
  57 #include <algorithm>
  58 #include <sstream>
  59
  60 using namespace std;
  61 using namespace lyx::support;
  62
  63
  64 static char const * const string_paragraph_separation[] = {
  65         "indent", "skip", ""
  66 };
  67
  68
  69 static char const * const string_quotes_language[] = {
  70         "english", "swedish", "german", "polish", "french", "danish", ""
  71 };
  72
  73
  74 static char const * const string_papersize[] = {
  75         "default", "custom", "letterpaper", "legalpaper", "executivepaper",
  76         "a0paper", "a1paper", "a2paper", "a3paper",     "a4paper", "a5paper",
  77         "a6paper", "b0paper", "b1paper", "b2paper","b3paper", "b4paper",
  78         "b5paper", "b6paper", "c0paper", "c1paper", "c2paper", "c3paper",
  79         "c4paper", "c5paper", "c6paper", "b0j", "b1j", "b2j", "b3j", "b4j", "b5j",
  80         "b6j", ""
  81 };
  82
  83
  84 static char const * const string_orientation[] = {
  85         "portrait", "landscape", ""
  86 };
  87
  88
  89 static char const * const string_footnotekinds[] = {
  90         "footnote", "margin", "fig", "tab", "alg", "wide-fig", "wide-tab", ""
  91 };
  92
  93
  94 static char const * const tex_graphics[] = {
  95         "default", "dvialw", "dvilaser", "dvipdf", "dvipdfm", "dvipdfmx",
  96         "dvips", "dvipsone", "dvitops", "dviwin", "dviwindo", "dvi2ps", "emtex",
  97         "ln", "oztex", "pctexhp", "pctexps", "pctexwin", "pctex32", "pdftex",
  98         "psprint", "pubps", "tcidvi", "textures", "truetex", "vtex", "xdvi",
  99         "xetex", "none", ""
 100 };
 101
 102
 103
 104 namespace lyx {
 105
 106 // Local translators
 107 namespace {
 108
 109 // Paragraph separation
 110 typedef Translator<string, BufferParams::ParagraphSeparation> ParSepTranslator;
 111
 112
 113 ParSepTranslator const init_parseptranslator()
 114 {
 115         ParSepTranslator translator
 116                 (string_paragraph_separation[0], BufferParams::ParagraphIndentSeparation);
 117         translator.addPair(string_paragraph_separation[1], BufferParams::ParagraphSkipSeparation);
 118         return translator;
 119 }
 120
 121
 122 ParSepTranslator const & parseptranslator()
 123 {
 124         static ParSepTranslator translator = init_parseptranslator();
 125         return translator;
 126 }
 127
 128
 129 // Quotes language
 130 typedef Translator<string, InsetQuotes::QuoteLanguage> QuotesLangTranslator;
 131
 132
 133 QuotesLangTranslator const init_quoteslangtranslator()
 134 {
 135         QuotesLangTranslator translator
 136                 (string_quotes_language[0], InsetQuotes::EnglishQuotes);
 137         translator.addPair(string_quotes_language[1], InsetQuotes::SwedishQuotes);
 138         translator.addPair(string_quotes_language[2], InsetQuotes::GermanQuotes);
 139         translator.addPair(string_quotes_language[3], InsetQuotes::PolishQuotes);
 140         translator.addPair(string_quotes_language[4], InsetQuotes::FrenchQuotes);
 141         translator.addPair(string_quotes_language[5], InsetQuotes::DanishQuotes);
 142         return translator;
 143 }
 144
 145
 146 QuotesLangTranslator const & quoteslangtranslator()
 147 {
 148         static QuotesLangTranslator translator = init_quoteslangtranslator();
 149         return translator;
 150 }
 151
 152
 153 // Paper size
 154 typedef Translator<string, PAPER_SIZE> PaperSizeTranslator;
 155
 156
 157 static PaperSizeTranslator initPaperSizeTranslator()
 158 {
 159         PaperSizeTranslator translator(string_papersize[0], PAPER_DEFAULT);
 160         translator.addPair(string_papersize[1], PAPER_CUSTOM);
 161         translator.addPair(string_papersize[2], PAPER_USLETTER);
 162         translator.addPair(string_papersize[3], PAPER_USLEGAL);
 163         translator.addPair(string_papersize[4], PAPER_USEXECUTIVE);
 164         translator.addPair(string_papersize[5], PAPER_A0);
 165         translator.addPair(string_papersize[6], PAPER_A1);
 166         translator.addPair(string_papersize[7], PAPER_A2);
 167         translator.addPair(string_papersize[8], PAPER_A3);
 168         translator.addPair(string_papersize[9], PAPER_A4);
 169         translator.addPair(string_papersize[10], PAPER_A5);
 170         translator.addPair(string_papersize[11], PAPER_A6);
 171         translator.addPair(string_papersize[12], PAPER_B0);
 172         translator.addPair(string_papersize[13], PAPER_B1);
 173         translator.addPair(string_papersize[14], PAPER_B2);
 174         translator.addPair(string_papersize[15], PAPER_B3);
 175         translator.addPair(string_papersize[16], PAPER_B4);
 176         translator.addPair(string_papersize[17], PAPER_B5);
 177         translator.addPair(string_papersize[18], PAPER_B6);
 178         translator.addPair(string_papersize[19], PAPER_C0);
 179         translator.addPair(string_papersize[20], PAPER_C1);
 180         translator.addPair(string_papersize[21], PAPER_C2);
 181         translator.addPair(string_papersize[22], PAPER_C3);
 182         translator.addPair(string_papersize[23], PAPER_C4);
 183         translator.addPair(string_papersize[24], PAPER_C5);
 184         translator.addPair(string_papersize[25], PAPER_C6);
 185         translator.addPair(string_papersize[26], PAPER_JISB0);
 186         translator.addPair(string_papersize[27], PAPER_JISB1);
 187         translator.addPair(string_papersize[28], PAPER_JISB2);
 188         translator.addPair(string_papersize[29], PAPER_JISB3);
 189         translator.addPair(string_papersize[30], PAPER_JISB4);
 190         translator.addPair(string_papersize[31], PAPER_JISB5);
 191         translator.addPair(string_papersize[32], PAPER_JISB6);
 192         return translator;
 193 }
 194
 195
 196 PaperSizeTranslator const & papersizetranslator()
 197 {
 198         static PaperSizeTranslator translator = initPaperSizeTranslator();
 199         return translator;
 200 }
 201
 202
 203 // Paper orientation
 204 typedef Translator<string, PAPER_ORIENTATION> PaperOrientationTranslator;
 205
 206
 207 PaperOrientationTranslator const init_paperorientationtranslator()
 208 {
 209         PaperOrientationTranslator translator(string_orientation[0], ORIENTATION_PORTRAIT);
 210         translator.addPair(string_orientation[1], ORIENTATION_LANDSCAPE);
 211         return translator;
 212 }
 213
 214
 215 PaperOrientationTranslator const & paperorientationtranslator()
 216 {
 217         static PaperOrientationTranslator translator = init_paperorientationtranslator();
 218         return translator;
 219 }
 220
 221
 222 // Page sides
 223 typedef Translator<int, PageSides> SidesTranslator;
 224
 225
 226 SidesTranslator const init_sidestranslator()
 227 {
 228         SidesTranslator translator(1, OneSide);
 229         translator.addPair(2, TwoSides);
 230         return translator;
 231 }
 232
 233
 234 SidesTranslator const & sidestranslator()
 235 {
 236         static SidesTranslator translator = init_sidestranslator();
 237         return translator;
 238 }
 239
 240
 241 // LaTeX packages
 242 typedef Translator<int, BufferParams::Package> PackageTranslator;
 243
 244
 245 PackageTranslator const init_packagetranslator()
 246 {
 247         PackageTranslator translator(0, BufferParams::package_off);
 248         translator.addPair(1, BufferParams::package_auto);
 249         translator.addPair(2, BufferParams::package_on);
 250         return translator;
 251 }
 252
 253
 254 PackageTranslator const & packagetranslator()
 255 {
 256         static PackageTranslator translator = init_packagetranslator();
 257         return translator;
 258 }
 259
 260
 261 // Cite engine
 262 typedef Translator<string, CiteEngine> CiteEngineTranslator;
 263
 264
 265 CiteEngineTranslator const init_citeenginetranslator()
 266 {
 267         CiteEngineTranslator translator("basic", ENGINE_BASIC);
 268         translator.addPair("natbib_numerical", ENGINE_NATBIB_NUMERICAL);
 269         translator.addPair("natbib_authoryear", ENGINE_NATBIB_AUTHORYEAR);
 270         translator.addPair("jurabib", ENGINE_JURABIB);
 271         return translator;
 272 }
 273
 274
 275 CiteEngineTranslator const & citeenginetranslator()
 276 {
 277         static CiteEngineTranslator translator = init_citeenginetranslator();
 278         return translator;
 279 }
 280
 281
 282 // Spacing
 283 typedef Translator<string, Spacing::Space> SpaceTranslator;
 284
 285
 286 SpaceTranslator const init_spacetranslator()
 287 {
 288         SpaceTranslator translator("default", Spacing::Default);
 289         translator.addPair("single", Spacing::Single);
 290         translator.addPair("onehalf", Spacing::Onehalf);
 291         translator.addPair("double", Spacing::Double);
 292         translator.addPair("other", Spacing::Other);
 293         return translator;
 294 }
 295
 296
 297 SpaceTranslator const & spacetranslator()
 298 {
 299         static SpaceTranslator translator = init_spacetranslator();
 300         return translator;
 301 }
 302
 303 } // anon namespace
 304
 305
 306 class BufferParams::Impl
 307 {
 308 public:
 309         Impl();
 310
 311         AuthorList authorlist;
 312         BranchList branchlist;
 313         Bullet temp_bullets[4];
 314         Bullet user_defined_bullets[4];
 315         IndicesList indiceslist;
 316         Spacing spacing;
 317         /** This is the amount of space used for paragraph_separation "skip",
 318          * and for detached paragraphs in "indented" documents.
 319          */
 320         HSpace indentation;
 321         VSpace defskip;
 322         PDFOptions pdfoptions;
 323         LayoutFileIndex baseClass_;
 324 };
 325
 326
 327 BufferParams::Impl::Impl()
 328         : defskip(VSpace::MEDSKIP), baseClass_(string(""))
 329 {
 330         // set initial author
 331         // FIXME UNICODE
 332         authorlist.record(Author(from_utf8(lyxrc.user_name), from_utf8(lyxrc.user_email)));
 333 }
 334
 335
 336 BufferParams::Impl *
 337 BufferParams::MemoryTraits::clone(BufferParams::Impl const * ptr)
 338 {
 339         LASSERT(ptr, /**/);
 340
 341         return new BufferParams::Impl(*ptr);
 342 }
 343
 344
 345 void BufferParams::MemoryTraits::destroy(BufferParams::Impl * ptr)
 346 {
 347         delete ptr;
 348 }
 349
 350
 351 BufferParams::BufferParams()
 352         : pimpl_(new Impl)
 353 {
 354         setBaseClass(defaultBaseclass());
 355         makeDocumentClass();
 356         paragraph_separation = ParagraphIndentSeparation;
 357         quotes_language = InsetQuotes::EnglishQuotes;
 358         fontsize = "default";
 359
 360         /*  PaperLayout */
 361         papersize = PAPER_DEFAULT;
 362         orientation = ORIENTATION_PORTRAIT;
 363         use_geometry = false;
 364         use_amsmath = package_auto;
 365         use_esint = package_auto;
 366         use_mhchem = package_auto;
 367         use_mathdots = package_auto;
 368         use_undertilde = package_auto;
 369         cite_engine_ = ENGINE_BASIC;
 370         use_bibtopic = false;
 371         use_indices = false;
 372         trackChanges = false;
 373         outputChanges = false;
 374         use_default_options = true;
 375         maintain_unincluded_children = false;
 376         secnumdepth = 3;
 377         tocdepth = 3;
 378         language = default_language;
 379         fontenc = "global";
 380         fonts_roman = "default";
 381         fonts_sans = "default";
 382         fonts_typewriter = "default";
 383         fonts_default_family = "default";
 384         useNonTeXFonts = false;
 385         fonts_expert_sc = false;
 386         fonts_old_figures = false;
 387         fonts_sans_scale = 100;
 388         fonts_typewriter_scale = 100;
 389         inputenc = "auto";
 390         lang_package = "default";
 391         graphics_driver = "default";
 392         default_output_format = "default";
 393         bibtex_command = "default";
 394         index_command = "default";
 395         sides = OneSide;
 396         columns = 1;
 397         listings_params = string();
 398         pagestyle = "default";
 399         suppress_date = false;
 400         // no color is the default (white)
 401         backgroundcolor = lyx::rgbFromHexName("#ffffff");
 402         isbackgroundcolor = false;
 403         // no color is the default (black)
 404         fontcolor = lyx::rgbFromHexName("#000000");
 405         isfontcolor = false;
 406         // light gray is the default font color for greyed-out notes
 407         notefontcolor = lyx::rgbFromHexName("#cccccc");
 408         boxbgcolor = lyx::rgbFromHexName("#ff0000");
 409         compressed = lyxrc.save_compressed;
 410         for (int iter = 0; iter < 4; ++iter) {
 411                 user_defined_bullet(iter) = ITEMIZE_DEFAULTS[iter];
 412                 temp_bullet(iter) = ITEMIZE_DEFAULTS[iter];
 413         }
 414         // default index
 415         indiceslist().addDefault(B_("Index"));
 416         html_be_strict = false;
 417         html_math_output = MathML;
 418         html_math_img_scale = 1.0;
 419         html_css_as_file = false;
 420
 421         output_sync = false;
 422         use_refstyle = true;
 423 }
 424
 425
 426 docstring BufferParams::B_(string const & l10n) const
 427 {
 428         LASSERT(language, /**/);
 429         return getMessages(language->code()).get(l10n);
 430 }
 431
 432
 433 AuthorList & BufferParams::authors()
 434 {
 435         return pimpl_->authorlist;
 436 }
 437
 438
 439 AuthorList const & BufferParams::authors() const
 440 {
 441         return pimpl_->authorlist;
 442 }
 443
 444
 445 BranchList & BufferParams::branchlist()
 446 {
 447         return pimpl_->branchlist;
 448 }
 449
 450
 451 BranchList const & BufferParams::branchlist() const
 452 {
 453         return pimpl_->branchlist;
 454 }
 455
 456
 457 IndicesList & BufferParams::indiceslist()
 458 {
 459         return pimpl_->indiceslist;
 460 }
 461
 462
 463 IndicesList const & BufferParams::indiceslist() const
 464 {
 465         return pimpl_->indiceslist;
 466 }
 467
 468
 469 Bullet & BufferParams::temp_bullet(lyx::size_type const index)
 470 {
 471         LASSERT(index < 4, /**/);
 472         return pimpl_->temp_bullets[index];
 473 }
 474
 475
 476 Bullet const & BufferParams::temp_bullet(lyx::size_type const index) const
 477 {
 478         LASSERT(index < 4, /**/);
 479         return pimpl_->temp_bullets[index];
 480 }
 481
 482
 483 Bullet & BufferParams::user_defined_bullet(lyx::size_type const index)
 484 {
 485         LASSERT(index < 4, /**/);
 486         return pimpl_->user_defined_bullets[index];
 487 }
 488
 489
 490 Bullet const & BufferParams::user_defined_bullet(lyx::size_type const index) const
 491 {
 492         LASSERT(index < 4, /**/);
 493         return pimpl_->user_defined_bullets[index];
 494 }
 495
 496
 497 Spacing & BufferParams::spacing()
 498 {
 499         return pimpl_->spacing;
 500 }
 501
 502
 503 Spacing const & BufferParams::spacing() const
 504 {
 505         return pimpl_->spacing;
 506 }
 507
 508
 509 PDFOptions & BufferParams::pdfoptions()
 510 {
 511         return pimpl_->pdfoptions;
 512 }
 513
 514
 515 PDFOptions const & BufferParams::pdfoptions() const
 516 {
 517         return pimpl_->pdfoptions;
 518 }
 519
 520
 521 HSpace const & BufferParams::getIndentation() const
 522 {
 523         return pimpl_->indentation;
 524 }
 525
 526
 527 void BufferParams::setIndentation(HSpace const & indent)
 528 {
 529         pimpl_->indentation = indent;
 530 }
 531
 532
 533 VSpace const & BufferParams::getDefSkip() const
 534 {
 535         return pimpl_->defskip;
 536 }
 537
 538
 539 void BufferParams::setDefSkip(VSpace const & vs)
 540 {
 541         // DEFSKIP will cause an infinite loop
 542         LASSERT(vs.kind() != VSpace::DEFSKIP, return);
 543         pimpl_->defskip = vs;
 544 }
 545
 546
 547 string BufferParams::readToken(Lexer & lex, string const & token,
 548         FileName const & filepath)
 549 {
 550         if (token == "\\textclass") {
 551                 lex.next();
 552                 string const classname = lex.getString();
 553                 // if there exists a local layout file, ignore the system one
 554                 // NOTE: in this case, the textclass (.cls file) is assumed to
 555                 // be available.
 556                 string tcp;
 557                 LayoutFileList & bcl = LayoutFileList::get();
 558                 if (tcp.empty() && !filepath.empty())
 559                         tcp = bcl.addLocalLayout(classname, filepath.absFileName());
 560                 if (!tcp.empty())
 561                         setBaseClass(tcp);
 562                 else
 563                         setBaseClass(classname);
 564                 // We assume that a tex class exists for local or unknown
 565                 // layouts so this warning, will only be given for system layouts.
 566                 if (!baseClass()->isTeXClassAvailable()) {
 567                         docstring const desc =
 568                                 translateIfPossible(from_utf8(baseClass()->description()));
 569                         docstring const prereqs =
 570                                 from_utf8(baseClass()->prerequisites());
 571                         docstring const msg =
 572                                 bformat(_("The selected document class\n"
 573                                                  "\t%1$s\n"
 574                                                  "requires external files that are not available.\n"
 575                                                  "The document class can still be used, but the\n"
 576                                                  "document cannot be compiled until the following\n"
 577                                                  "prerequisites are installed:\n"
 578                                                  "\t%2$s\n"
 579                                                  "See section 3.1.2.2 (Class Availability) of the\n"
 580                                                  "User's Guide for more information."), desc, prereqs);
 581                         frontend::Alert::warning(_("Document class not available"),
 582                                        msg);
 583                 }
 584         } else if (token == "\\begin_preamble") {
 585                 readPreamble(lex);
 586         } else if (token == "\\begin_local_layout") {
 587                 readLocalLayout(lex);
 588         } else if (token == "\\begin_modules") {
 589                 readModules(lex);
 590         } else if (token == "\\begin_removed_modules") {
 591                 readRemovedModules(lex);
 592         } else if (token == "\\begin_includeonly") {
 593                 readIncludeonly(lex);
 594         } else if (token == "\\maintain_unincluded_children") {
 595                 lex >> maintain_unincluded_children;
 596         } else if (token == "\\options") {
 597                 lex.eatLine();
 598                 options = lex.getString();
 599         } else if (token == "\\use_default_options") {
 600                 lex >> use_default_options;
 601         } else if (token == "\\master") {
 602                 lex.eatLine();
 603                 master = lex.getString();
 604         } else if (token == "\\suppress_date") {
 605                 lex >> suppress_date;
 606         } else if (token == "\\language") {
 607                 readLanguage(lex);
 608         } else if (token == "\\language_package") {
 609                 lex.eatLine();
 610                 lang_package = lex.getString();
 611         } else if (token == "\\inputencoding") {
 612                 lex >> inputenc;
 613         } else if (token == "\\graphics") {
 614                 readGraphicsDriver(lex);
 615         } else if (token == "\\default_output_format") {
 616                 lex >> default_output_format;
 617         } else if (token == "\\bibtex_command") {
 618                 lex.eatLine();
 619                 bibtex_command = lex.getString();
 620         } else if (token == "\\index_command") {
 621                 lex.eatLine();
 622                 index_command = lex.getString();
 623         } else if (token == "\\fontencoding") {
 624                 lex.eatLine();
 625                 fontenc = lex.getString();
 626         } else if (token == "\\font_roman") {
 627                 lex.eatLine();
 628                 fonts_roman = lex.getString();
 629         } else if (token == "\\font_sans") {
 630                 lex.eatLine();
 631                 fonts_sans = lex.getString();
 632         } else if (token == "\\font_typewriter") {
 633                 lex.eatLine();
 634                 fonts_typewriter = lex.getString();
 635         } else if (token == "\\font_default_family") {
 636                 lex >> fonts_default_family;
 637         } else if (token == "\\use_non_tex_fonts") {
 638                 lex >> useNonTeXFonts;
 639         } else if (token == "\\font_sc") {
 640                 lex >> fonts_expert_sc;
 641         } else if (token == "\\font_osf") {
 642                 lex >> fonts_old_figures;
 643         } else if (token == "\\font_sf_scale") {
 644                 lex >> fonts_sans_scale;
 645         } else if (token == "\\font_tt_scale") {
 646                 lex >> fonts_typewriter_scale;
 647         } else if (token == "\\font_cjk") {
 648                 lex >> fonts_cjk;
 649         } else if (token == "\\paragraph_separation") {
 650                 string parsep;
 651                 lex >> parsep;
 652                 paragraph_separation = parseptranslator().find(parsep);
 653         } else if (token == "\\paragraph_indentation") {
 654                 lex.next();
 655                 string indentation = lex.getString();
 656                 pimpl_->indentation = HSpace(indentation);
 657         } else if (token == "\\defskip") {
 658                 lex.next();
 659                 string const defskip = lex.getString();
 660                 pimpl_->defskip = VSpace(defskip);
 661                 if (pimpl_->defskip.kind() == VSpace::DEFSKIP)
 662                         // that is invalid
 663                         pimpl_->defskip = VSpace(VSpace::MEDSKIP);
 664         } else if (token == "\\quotes_language") {
 665                 string quotes_lang;
 666                 lex >> quotes_lang;
 667                 quotes_language = quoteslangtranslator().find(quotes_lang);
 668         } else if (token == "\\papersize") {
 669                 string ppsize;
 670                 lex >> ppsize;
 671                 papersize = papersizetranslator().find(ppsize);
 672         } else if (token == "\\use_geometry") {
 673                 lex >> use_geometry;
 674         } else if (token == "\\use_amsmath") {
 675                 int use_ams;
 676                 lex >> use_ams;
 677                 use_amsmath = packagetranslator().find(use_ams);
 678         } else if (token == "\\use_esint") {
 679                 int useesint;
 680                 lex >> useesint;
 681                 use_esint = packagetranslator().find(useesint);
 682         } else if (token == "\\use_mhchem") {
 683                 int usemhchem;
 684                 lex >> usemhchem;
 685                 use_mhchem = packagetranslator().find(usemhchem);
 686         } else if (token == "\\use_mathdots") {
 687                 int usemathdots;
 688                 lex >> usemathdots;
 689                 use_mathdots = packagetranslator().find(usemathdots);
 690         } else if (token == "\\use_undertilde") {
 691                 int useundertilde;
 692                 lex >> useundertilde;
 693                 use_undertilde = packagetranslator().find(useundertilde);
 694         } else if (token == "\\cite_engine") {
 695                 string engine;
 696                 lex >> engine;
 697                 cite_engine_ = citeenginetranslator().find(engine);
 698         } else if (token == "\\use_bibtopic") {
 699                 lex >> use_bibtopic;
 700         } else if (token == "\\use_indices") {
 701                 lex >> use_indices;
 702         } else if (token == "\\tracking_changes") {
 703                 lex >> trackChanges;
 704         } else if (token == "\\output_changes") {
 705                 lex >> outputChanges;
 706         } else if (token == "\\branch") {
 707                 lex.eatLine();
 708                 docstring branch = lex.getDocString();
 709                 branchlist().add(branch);
 710                 while (true) {
 711                         lex.next();
 712                         string const tok = lex.getString();
 713                         if (tok == "\\end_branch")
 714                                 break;
 715                         Branch * branch_ptr = branchlist().find(branch);
 716                         if (tok == "\\selected") {
 717                                 lex.next();
 718                                 if (branch_ptr)
 719                                         branch_ptr->setSelected(lex.getInteger());
 720                         }
 721                         if (tok == "\\filename_suffix") {
 722                                 lex.next();
 723                                 if (branch_ptr)
 724                                         branch_ptr->setFileNameSuffix(lex.getInteger());
 725                         }
 726                         if (tok == "\\color") {
 727                                 lex.eatLine();
 728                                 string color = lex.getString();
 729                                 if (branch_ptr)
 730                                         branch_ptr->setColor(color);
 731                                 // Update also the Color table:
 732                                 if (color == "none")
 733                                         color = lcolor.getX11Name(Color_background);
 734                                 // FIXME UNICODE
 735                                 lcolor.setColor(to_utf8(branch), color);
 736                         }
 737                 }
 738         } else if (token == "\\index") {
 739                 lex.eatLine();
 740                 docstring index = lex.getDocString();
 741                 docstring shortcut;
 742                 indiceslist().add(index);
 743                 while (true) {
 744                         lex.next();
 745                         string const tok = lex.getString();
 746                         if (tok == "\\end_index")
 747                                 break;
 748                         Index * index_ptr = indiceslist().find(index);
 749                         if (tok == "\\shortcut") {
 750                                 lex.next();
 751                                 shortcut = lex.getDocString();
 752                                 if (index_ptr)
 753                                         index_ptr->setShortcut(shortcut);
 754                         }
 755                         if (tok == "\\color") {
 756                                 lex.eatLine();
 757                                 string color = lex.getString();
 758                                 if (index_ptr)
 759                                         index_ptr->setColor(color);
 760                                 // Update also the Color table:
 761                                 if (color == "none")
 762                                         color = lcolor.getX11Name(Color_background);
 763                                 // FIXME UNICODE
 764                                 if (!shortcut.empty())
 765                                         lcolor.setColor(to_utf8(shortcut), color);
 766                         }
 767                 }
 768         } else if (token == "\\author") {
 769                 lex.eatLine();
 770                 istringstream ss(lex.getString());
 771                 Author a;
 772                 ss >> a;
 773                 author_map[a.bufferId()] = pimpl_->authorlist.record(a);
 774         } else if (token == "\\paperorientation") {
 775                 string orient;
 776                 lex >> orient;
 777                 orientation = paperorientationtranslator().find(orient);
 778         } else if (token == "\\backgroundcolor") {
 779                 lex.eatLine();
 780                 backgroundcolor = lyx::rgbFromHexName(lex.getString());
 781                 isbackgroundcolor = true;
 782         } else if (token == "\\fontcolor") {
 783                 lex.eatLine();
 784                 fontcolor = lyx::rgbFromHexName(lex.getString());
 785                 isfontcolor = true;
 786         } else if (token == "\\notefontcolor") {
 787                 lex.eatLine();
 788                 string color = lex.getString();
 789                 notefontcolor = lyx::rgbFromHexName(color);
 790         } else if (token == "\\boxbgcolor") {
 791                 lex.eatLine();
 792                 string color = lex.getString();
 793                 boxbgcolor = lyx::rgbFromHexName(color);
 794         } else if (token == "\\paperwidth") {
 795                 lex >> paperwidth;
 796         } else if (token == "\\paperheight") {
 797                 lex >> paperheight;
 798         } else if (token == "\\leftmargin") {
 799                 lex >> leftmargin;
 800         } else if (token == "\\topmargin") {
 801                 lex >> topmargin;
 802         } else if (token == "\\rightmargin") {
 803                 lex >> rightmargin;
 804         } else if (token == "\\bottommargin") {
 805                 lex >> bottommargin;
 806         } else if (token == "\\headheight") {
 807                 lex >> headheight;
 808         } else if (token == "\\headsep") {
 809                 lex >> headsep;
 810         } else if (token == "\\footskip") {
 811                 lex >> footskip;
 812         } else if (token == "\\columnsep") {
 813                 lex >> columnsep;
 814         } else if (token == "\\paperfontsize") {
 815                 lex >> fontsize;
 816         } else if (token == "\\papercolumns") {
 817                 lex >> columns;
 818         } else if (token == "\\listings_params") {
 819                 string par;
 820                 lex >> par;
 821                 listings_params = InsetListingsParams(par).params();
 822         } else if (token == "\\papersides") {
 823                 int psides;
 824                 lex >> psides;
 825                 sides = sidestranslator().find(psides);
 826         } else if (token == "\\paperpagestyle") {
 827                 lex >> pagestyle;
 828         } else if (token == "\\bullet") {
 829                 readBullets(lex);
 830         } else if (token == "\\bulletLaTeX") {
 831                 readBulletsLaTeX(lex);
 832         } else if (token == "\\secnumdepth") {
 833                 lex >> secnumdepth;
 834         } else if (token == "\\tocdepth") {
 835                 lex >> tocdepth;
 836         } else if (token == "\\spacing") {
 837                 string nspacing;
 838                 lex >> nspacing;
 839                 string tmp_val;
 840                 if (nspacing == "other") {
 841                         lex >> tmp_val;
 842                 }
 843                 spacing().set(spacetranslator().find(nspacing), tmp_val);
 844         } else if (token == "\\float_placement") {
 845                 lex >> float_placement;
 846
 847         } else if (prefixIs(token, "\\pdf_") || token == "\\use_hyperref") {
 848                 string toktmp = pdfoptions().readToken(lex, token);
 849                 if (!toktmp.empty()) {
 850                         lyxerr << "PDFOptions::readToken(): Unknown token: " <<
 851                                 toktmp << endl;
 852                         return toktmp;
 853                 }
 854         } else if (token == "\\html_math_output") {
 855                 int temp;
 856                 lex >> temp;
 857                 html_math_output = static_cast<MathOutput>(temp);
 858         } else if (token == "\\html_be_strict") {
 859                 lex >> html_be_strict;
 860         } else if (token == "\\html_css_as_file") {
 861                 lex >> html_css_as_file;
 862         } else if (token == "\\html_math_img_scale") {
 863                 lex >> html_math_img_scale;
 864         } else if (token == "\\html_latex_start") {
 865                 lex.eatLine();
 866                 html_latex_start = lex.getString();
 867         } else if (token == "\\html_latex_end") {
 868                 lex.eatLine();
 869                 html_latex_end = lex.getString();
 870         } else if (token == "\\output_sync") {
 871                 lex >> output_sync;
 872         } else if (token == "\\output_sync_macro") {
 873                 lex >> output_sync_macro;
 874         } else if (token == "\\use_refstyle") {
 875                 lex >> use_refstyle;
 876         } else {
 877                 lyxerr << "BufferParams::readToken(): Unknown token: " <<
 878                         token << endl;
 879                 return token;
 880         }
 881
 882         return string();
 883 }
 884
 885
 886 void BufferParams::writeFile(ostream & os) const
 887 {
 888         // The top of the file is written by the buffer.
 889         // Prints out the buffer info into the .lyx file given by file
 890
 891         // the textclass
 892         os << "\\textclass " << baseClass()->name() << '\n';
 893
 894         // then the preamble
 895         if (!preamble.empty()) {
 896                 // remove '\n' from the end of preamble
 897                 string const tmppreamble = rtrim(preamble, "\n");
 898                 os << "\\begin_preamble\n"
 899                    << tmppreamble
 900                    << "\n\\end_preamble\n";
 901         }
 902
 903         // the options
 904         if (!options.empty()) {
 905                 os << "\\options " << options << '\n';
 906         }
 907
 908         // use the class options defined in the layout?
 909         os << "\\use_default_options "
 910            << convert<string>(use_default_options) << "\n";
 911
 912         // the master document
 913         if (!master.empty()) {
 914                 os << "\\master " << master << '\n';
 915         }
 916
 917         // removed modules
 918         if (!removed_modules_.empty()) {
 919                 os << "\\begin_removed_modules" << '\n';
 920                 list<string>::const_iterator it = removed_modules_.begin();
 921                 list<string>::const_iterator en = removed_modules_.end();
 922                 for (; it != en; it++)
 923                         os << *it << '\n';
 924                 os << "\\end_removed_modules" << '\n';
 925         }
 926
 927         // the modules
 928         if (!layout_modules_.empty()) {
 929                 os << "\\begin_modules" << '\n';
 930                 LayoutModuleList::const_iterator it = layout_modules_.begin();
 931                 LayoutModuleList::const_iterator en = layout_modules_.end();
 932                 for (; it != en; it++)
 933                         os << *it << '\n';
 934                 os << "\\end_modules" << '\n';
 935         }
 936
 937         // includeonly
 938         if (!included_children_.empty()) {
 939                 os << "\\begin_includeonly" << '\n';
 940                 list<string>::const_iterator it = included_children_.begin();
 941                 list<string>::const_iterator en = included_children_.end();
 942                 for (; it != en; it++)
 943                         os << *it << '\n';
 944                 os << "\\end_includeonly" << '\n';
 945         }
 946         os << "\\maintain_unincluded_children "
 947            << convert<string>(maintain_unincluded_children) << '\n';
 948
 949         // local layout information
 950         if (!local_layout.empty()) {
 951                 // remove '\n' from the end
 952                 string const tmplocal = rtrim(local_layout, "\n");
 953                 os << "\\begin_local_layout\n"
 954                    << tmplocal
 955                    << "\n\\end_local_layout\n";
 956         }
 957
 958         // then the text parameters
 959         if (language != ignore_language)
 960                 os << "\\language " << language->lang() << '\n';
 961         os << "\\language_package " << lang_package
 962            << "\n\\inputencoding " << inputenc
 963            << "\n\\fontencoding " << fontenc
 964            << "\n\\font_roman " << fonts_roman
 965            << "\n\\font_sans " << fonts_sans
 966            << "\n\\font_typewriter " << fonts_typewriter
 967            << "\n\\font_default_family " << fonts_default_family
 968            << "\n\\use_non_tex_fonts " << convert<string>(useNonTeXFonts)
 969            << "\n\\font_sc " << convert<string>(fonts_expert_sc)
 970            << "\n\\font_osf " << convert<string>(fonts_old_figures)
 971            << "\n\\font_sf_scale " << fonts_sans_scale
 972            << "\n\\font_tt_scale " << fonts_typewriter_scale
 973            << '\n';
 974         if (!fonts_cjk.empty()) {
 975                 os << "\\font_cjk " << fonts_cjk << '\n';
 976         }
 977         os << "\n\\graphics " << graphics_driver << '\n';
 978         os << "\\default_output_format " << default_output_format << '\n';
 979         os << "\\output_sync " << output_sync << '\n';
 980         if (!output_sync_macro.empty())
 981                 os << "\\output_sync_macro \"" << output_sync_macro << "\"\n";
 982         os << "\\bibtex_command " << bibtex_command << '\n';
 983         os << "\\index_command " << index_command << '\n';
 984
 985         if (!float_placement.empty()) {
 986                 os << "\\float_placement " << float_placement << '\n';
 987         }
 988         os << "\\paperfontsize " << fontsize << '\n';
 989
 990         spacing().writeFile(os);
 991         pdfoptions().writeFile(os);
 992
 993         os << "\\papersize " << string_papersize[papersize]
 994            << "\n\\use_geometry " << convert<string>(use_geometry)
 995            << "\n\\use_amsmath " << use_amsmath
 996            << "\n\\use_esint " << use_esint
 997            << "\n\\use_mhchem " << use_mhchem
 998            << "\n\\use_mathdots " << use_mathdots
 999            << "\n\\use_undertilde " << use_undertilde
1000            << "\n\\cite_engine " << citeenginetranslator().find(cite_engine_)
1001            << "\n\\use_bibtopic " << convert<string>(use_bibtopic)
1002            << "\n\\use_indices " << convert<string>(use_indices)
1003            << "\n\\paperorientation " << string_orientation[orientation]
1004            << "\n\\suppress_date " << convert<string>(suppress_date)
1005                  << "\n\\use_refstyle " << use_refstyle
1006            << '\n';
1007         if (isbackgroundcolor == true)
1008                 os << "\\backgroundcolor " << lyx::X11hexname(backgroundcolor) << '\n';
1009         if (isfontcolor == true)
1010                 os << "\\fontcolor " << lyx::X11hexname(fontcolor) << '\n';
1011         if (notefontcolor != lyx::rgbFromHexName("#cccccc"))
1012                 os << "\\notefontcolor " << lyx::X11hexname(notefontcolor) << '\n';
1013         if (boxbgcolor != lyx::rgbFromHexName("#ff0000"))
1014                 os << "\\boxbgcolor " << lyx::X11hexname(boxbgcolor) << '\n';
1015
1016         BranchList::const_iterator it = branchlist().begin();
1017         BranchList::const_iterator end = branchlist().end();
1018         for (; it != end; ++it) {
1019                 os << "\\branch " << to_utf8(it->branch())
1020                    << "\n\\selected " << it->isSelected()
1021                    << "\n\\filename_suffix " << it->hasFileNameSuffix()
1022                    << "\n\\color " << lyx::X11hexname(it->color())
1023                    << "\n\\end_branch"
1024                    << "\n";
1025         }
1026
1027         IndicesList::const_iterator iit = indiceslist().begin();
1028         IndicesList::const_iterator iend = indiceslist().end();
1029         for (; iit != iend; ++iit) {
1030                 os << "\\index " << to_utf8(iit->index())
1031                    << "\n\\shortcut " << to_utf8(iit->shortcut())
1032                    << "\n\\color " << lyx::X11hexname(iit->color())
1033                    << "\n\\end_index"
1034                    << "\n";
1035         }
1036
1037         if (!paperwidth.empty())
1038                 os << "\\paperwidth "
1039                    << VSpace(paperwidth).asLyXCommand() << '\n';
1040         if (!paperheight.empty())
1041                 os << "\\paperheight "
1042                    << VSpace(paperheight).asLyXCommand() << '\n';
1043         if (!leftmargin.empty())
1044                 os << "\\leftmargin "
1045                    << VSpace(leftmargin).asLyXCommand() << '\n';
1046         if (!topmargin.empty())
1047                 os << "\\topmargin "
1048                    << VSpace(topmargin).asLyXCommand() << '\n';
1049         if (!rightmargin.empty())
1050                 os << "\\rightmargin "
1051                    << VSpace(rightmargin).asLyXCommand() << '\n';
1052         if (!bottommargin.empty())
1053                 os << "\\bottommargin "
1054                    << VSpace(bottommargin).asLyXCommand() << '\n';
1055         if (!headheight.empty())
1056                 os << "\\headheight "
1057                    << VSpace(headheight).asLyXCommand() << '\n';
1058         if (!headsep.empty())
1059                 os << "\\headsep "
1060                    << VSpace(headsep).asLyXCommand() << '\n';
1061         if (!footskip.empty())
1062                 os << "\\footskip "
1063                    << VSpace(footskip).asLyXCommand() << '\n';
1064         if (!columnsep.empty())
1065                 os << "\\columnsep "
1066                          << VSpace(columnsep).asLyXCommand() << '\n';
1067         os << "\\secnumdepth " << secnumdepth
1068            << "\n\\tocdepth " << tocdepth
1069            << "\n\\paragraph_separation "
1070            << string_paragraph_separation[paragraph_separation];
1071         if (!paragraph_separation)
1072                 os << "\n\\paragraph_indentation " << getIndentation().asLyXCommand();
1073         else
1074                 os << "\n\\defskip " << getDefSkip().asLyXCommand();
1075         os << "\n\\quotes_language "
1076            << string_quotes_language[quotes_language]
1077            << "\n\\papercolumns " << columns
1078            << "\n\\papersides " << sides
1079            << "\n\\paperpagestyle " << pagestyle << '\n';
1080         if (!listings_params.empty())
1081                 os << "\\listings_params \"" <<
1082                         InsetListingsParams(listings_params).encodedString() << "\"\n";
1083         for (int i = 0; i < 4; ++i) {
1084                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1085                         if (user_defined_bullet(i).getFont() != -1) {
1086                                 os << "\\bullet " << i << " "
1087                                    << user_defined_bullet(i).getFont() << " "
1088                                    << user_defined_bullet(i).getCharacter() << " "
1089                                    << user_defined_bullet(i).getSize() << "\n";
1090                         }
1091                         else {
1092                                 // FIXME UNICODE
1093                                 os << "\\bulletLaTeX " << i << " \""
1094                                    << lyx::to_ascii(user_defined_bullet(i).getText())
1095                                    << "\"\n";
1096                         }
1097                 }
1098         }
1099
1100         os << "\\tracking_changes " << convert<string>(trackChanges) << '\n'
1101            << "\\output_changes " << convert<string>(outputChanges) << '\n'
1102            << "\\html_math_output " << html_math_output << '\n'
1103            << "\\html_css_as_file " << html_css_as_file << '\n'
1104            << "\\html_be_strict " << convert<string>(html_be_strict) << '\n';
1105
1106         if (html_math_img_scale != 1.0)
1107                 os << "\\html_math_img_scale " << convert<string>(html_math_img_scale) << '\n';
1108         if (!html_latex_start.empty())
1109                 os << "\\html_latex_start " << html_latex_start << '\n';
1110         if (!html_latex_end.empty())
1111                  os << "\\html_latex_end " << html_latex_end << '\n';
1112
1113         os << pimpl_->authorlist;
1114 }
1115
1116
1117 void BufferParams::validate(LaTeXFeatures & features) const
1118 {
1119         features.require(documentClass().requires());
1120
1121         if (outputChanges) {
1122                 bool dvipost    = LaTeXFeatures::isAvailable("dvipost");
1123                 bool xcolorulem = LaTeXFeatures::isAvailable("ulem") &&
1124                                   LaTeXFeatures::isAvailable("xcolor");
1125
1126                 switch (features.runparams().flavor) {
1127                 case OutputParams::LATEX:
1128                 case OutputParams::DVILUATEX:
1129                         if (dvipost) {
1130                                 features.require("ct-dvipost");
1131                                 features.require("dvipost");
1132                         } else if (xcolorulem) {
1133                                 features.require("ct-xcolor-ulem");
1134                                 features.require("ulem");
1135                                 features.require("xcolor");
1136                         } else {
1137                                 features.require("ct-none");
1138                         }
1139                         break;
1140                 case OutputParams::LUATEX:
1141                 case OutputParams::PDFLATEX:
1142                 case OutputParams::XETEX:
1143                         if (xcolorulem) {
1144                                 features.require("ct-xcolor-ulem");
1145                                 features.require("ulem");
1146                                 features.require("xcolor");
1147                                 // improves color handling in PDF output
1148                                 features.require("pdfcolmk");
1149                         } else {
1150                                 features.require("ct-none");
1151                         }
1152                         break;
1153                 default:
1154                         break;
1155                 }
1156         }
1157
1158         // Floats with 'Here definitely' as default setting.
1159         if (float_placement.find('H') != string::npos)
1160                 features.require("float");
1161
1162         // AMS Style is at document level
1163         if (use_amsmath == package_on
1164             || documentClass().provides("amsmath"))
1165                 features.require("amsmath");
1166         if (use_esint == package_on)
1167                 features.require("esint");
1168         if (use_mhchem == package_on)
1169                 features.require("mhchem");
1170         if (use_mathdots == package_on)
1171                 features.require("mathdots");
1172         if (use_undertilde == package_on)
1173                 features.require("undertilde");
1174
1175         // Document-level line spacing
1176         if (spacing().getSpace() != Spacing::Single && !spacing().isDefault())
1177                 features.require("setspace");
1178
1179         // the bullet shapes are buffer level not paragraph level
1180         // so they are tested here
1181         for (int i = 0; i < 4; ++i) {
1182                 if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i])
1183                         continue;
1184                 int const font = user_defined_bullet(i).getFont();
1185                 if (font == 0) {
1186                         int const c = user_defined_bullet(i).getCharacter();
1187                         if (c == 16
1188                             || c == 17
1189                             || c == 25
1190                             || c == 26
1191                             || c == 31) {
1192                                 features.require("latexsym");
1193                         }
1194                 } else if (font == 1) {
1195                         features.require("amssymb");
1196                 } else if (font >= 2 && font <= 5) {
1197                         features.require("pifont");
1198                 }
1199         }
1200
1201         if (pdfoptions().use_hyperref) {
1202                 features.require("hyperref");
1203                 // due to interferences with babel and hyperref, the color package has to
1204                 // be loaded after hyperref when hyperref is used with the colorlinks
1205                 // option, see http://www.lyx.org/trac/ticket/5291
1206                 if (pdfoptions().colorlinks)
1207                         features.require("color");
1208         }
1209
1210         if (features.runparams().flavor == OutputParams::XETEX
1211             && useNonTeXFonts)
1212                 features.require("polyglossia");
1213
1214         if (language->lang() == "vietnamese")
1215                 features.require("vietnamese");
1216         else if (language->lang() == "japanese")
1217                 features.require("japanese");
1218 }
1219
1220
1221 bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
1222                               FileName const & filepath) const
1223 {
1224         // http://www.tug.org/texmf-dist/doc/latex/base/fixltx2e.pdf
1225         // !! To use the Fix-cm package, load it before \documentclass, and use the command
1226         // \RequirePackage to do so, rather than the normal \usepackage
1227         // Do not try to load any other package before the document class, unless you
1228         // have a thorough understanding of the LATEX internals and know exactly what you
1229         // are doing!
1230         if (features.mustProvide("fix-cm"))
1231                 os << "\\RequirePackage{fix-cm}\n";
1232
1233         os << "\\documentclass";
1234
1235         DocumentClass const & tclass = documentClass();
1236
1237         ostringstream clsoptions; // the document class options.
1238
1239         if (tokenPos(tclass.opt_fontsize(),
1240                      '|', fontsize) >= 0) {
1241                 // only write if existing in list (and not default)
1242                 clsoptions << fontsize << "pt,";
1243         }
1244
1245         // all paper sizes except of A4, A5, B5 and the US sizes need the
1246         // geometry package
1247         bool nonstandard_papersize = papersize != PAPER_DEFAULT
1248                 && papersize != PAPER_USLETTER
1249                 && papersize != PAPER_USLEGAL
1250                 && papersize != PAPER_USEXECUTIVE
1251                 && papersize != PAPER_A4
1252                 && papersize != PAPER_A5
1253                 && papersize != PAPER_B5;
1254
1255         if (!use_geometry) {
1256                 switch (papersize) {
1257                 case PAPER_A4:
1258                         clsoptions << "a4paper,";
1259                         break;
1260                 case PAPER_USLETTER:
1261                         clsoptions << "letterpaper,";
1262                         break;
1263                 case PAPER_A5:
1264                         clsoptions << "a5paper,";
1265                         break;
1266                 case PAPER_B5:
1267                         clsoptions << "b5paper,";
1268                         break;
1269                 case PAPER_USEXECUTIVE:
1270                         clsoptions << "executivepaper,";
1271                         break;
1272                 case PAPER_USLEGAL:
1273                         clsoptions << "legalpaper,";
1274                         break;
1275                 case PAPER_DEFAULT:
1276                 case PAPER_A0:
1277                 case PAPER_A1:
1278                 case PAPER_A2:
1279                 case PAPER_A3:
1280                 case PAPER_A6:
1281                 case PAPER_B0:
1282                 case PAPER_B1:
1283                 case PAPER_B2:
1284                 case PAPER_B3:
1285                 case PAPER_B4:
1286                 case PAPER_B6:
1287                 case PAPER_C0:
1288                 case PAPER_C1:
1289                 case PAPER_C2:
1290                 case PAPER_C3:
1291                 case PAPER_C4:
1292                 case PAPER_C5:
1293                 case PAPER_C6:
1294                 case PAPER_JISB0:
1295                 case PAPER_JISB1:
1296                 case PAPER_JISB2:
1297                 case PAPER_JISB3:
1298                 case PAPER_JISB4:
1299                 case PAPER_JISB5:
1300                 case PAPER_JISB6:
1301                 case PAPER_CUSTOM:
1302                         break;
1303                 }
1304         }
1305
1306         // if needed
1307         if (sides != tclass.sides()) {
1308                 switch (sides) {
1309                 case OneSide:
1310                         clsoptions << "oneside,";
1311                         break;
1312                 case TwoSides:
1313                         clsoptions << "twoside,";
1314                         break;
1315                 }
1316         }
1317
1318         // if needed
1319         if (columns != tclass.columns()) {
1320                 if (columns == 2)
1321                         clsoptions << "twocolumn,";
1322                 else
1323                         clsoptions << "onecolumn,";
1324         }
1325
1326         if (!use_geometry
1327             && orientation == ORIENTATION_LANDSCAPE)
1328                 clsoptions << "landscape,";
1329
1330         // language should be a parameter to \documentclass
1331         if (language->babel() == "hebrew"
1332             && default_language->babel() != "hebrew")
1333                 // This seems necessary
1334                 features.useLanguage(default_language);
1335
1336         ostringstream language_options;
1337         bool const use_babel = features.useBabel() && !tclass.provides("babel");
1338         bool const use_polyglossia = features.usePolyglossia();
1339         bool const global = lyxrc.language_global_options;
1340         if (use_babel || (use_polyglossia && global)) {
1341                 language_options << features.getLanguages();
1342                 if (!language->babel().empty()) {
1343                         if (!language_options.str().empty())
1344                                 language_options << ',';
1345                         language_options << language->babel();
1346                 }
1347                 if (global && !features.needBabelLangOptions())
1348                         clsoptions << language_options.str() << ',';
1349         }
1350
1351         // the predefined options from the layout
1352         if (use_default_options && !tclass.options().empty())
1353                 clsoptions << tclass.options() << ',';
1354
1355         // the user-defined options
1356         if (!options.empty()) {
1357                 clsoptions << options << ',';
1358         }
1359
1360         string strOptions(clsoptions.str());
1361         if (!strOptions.empty()) {
1362                 strOptions = rtrim(strOptions, ",");
1363                 // FIXME UNICODE
1364                 os << '[' << from_utf8(strOptions) << ']';
1365         }
1366
1367         os << '{' << from_ascii(tclass.latexname()) << "}\n";
1368         // end of \documentclass defs
1369
1370         // if we use fontspec, we have to load the AMS packages here
1371         string const ams = features.loadAMSPackages();
1372         if (useNonTeXFonts && !ams.empty())
1373                 os << from_ascii(ams);
1374
1375         if (useNonTeXFonts)
1376                 os << "\\usepackage{fontspec}\n";
1377
1378         // font selection must be done before loading fontenc.sty
1379         string const fonts =
1380                 loadFonts(fonts_roman, fonts_sans, fonts_typewriter,
1381                           fonts_expert_sc, fonts_old_figures,
1382                           fonts_sans_scale, fonts_typewriter_scale,
1383                           useNonTeXFonts, features);
1384         if (!fonts.empty())
1385                 os << from_utf8(fonts);
1386
1387         if (fonts_default_family != "default")
1388                 os << "\\renewcommand{\\familydefault}{\\"
1389                    << from_ascii(fonts_default_family) << "}\n";
1390
1391         // set font encoding
1392         // for arabic_arabi and farsi we also need to load the LAE and
1393         // LFE encoding
1394         // XeTeX and LuaTeX (with OS fonts) work without fontenc
1395         if (font_encoding() != "default" && language->lang() != "japanese"
1396             && !useNonTeXFonts && !tclass.provides("fontenc")) {
1397                 size_t fars = language_options.str().find("farsi");
1398                 size_t arab = language_options.str().find("arabic");
1399                 if (language->lang() == "arabic_arabi"
1400                         || language->lang() == "farsi" || fars != string::npos
1401                         || arab != string::npos) {
1402                         os << "\\usepackage[" << from_ascii(font_encoding())
1403                            << ",LFE,LAE]{fontenc}\n";
1404                 } else {
1405                         os << "\\usepackage[" << from_ascii(font_encoding())
1406                            << "]{fontenc}\n";
1407                 }
1408         }
1409
1410         // handle inputenc etc.
1411         writeEncodingPreamble(os, features);
1412
1413         // includeonly
1414         if (!features.runparams().includeall && !included_children_.empty()) {
1415                 os << "\\includeonly{";
1416                 list<string>::const_iterator it = included_children_.begin();
1417                 list<string>::const_iterator en = included_children_.end();
1418                 bool first = true;
1419                 for (; it != en; ++it) {
1420                         string incfile = *it;
1421                         FileName inc = makeAbsPath(incfile, filepath.absFileName());
1422                         string mangled = DocFileName(changeExtension(inc.absFileName(), ".tex")).
1423                         mangledFileName();
1424                         if (!features.runparams().nice)
1425                                 incfile = mangled;
1426                         // \includeonly doesn't want an extension
1427                         incfile = changeExtension(incfile, string());
1428                         incfile = support::latex_path(incfile);
1429                         if (!incfile.empty()) {
1430                                 if (!first)
1431                                         os << ",";
1432                                 os << from_utf8(incfile);
1433                         }
1434                         first = false;
1435                 }
1436                 os << "}\n";
1437         }
1438
1439         if (!listings_params.empty() || features.isRequired("listings"))
1440                 os << "\\usepackage{listings}\n";
1441
1442         if (!listings_params.empty()) {
1443                 os << "\\lstset{";
1444                 // do not test validity because listings_params is
1445                 // supposed to be valid
1446                 string par =
1447                         InsetListingsParams(listings_params).separatedParams(true);
1448                 // we can't support all packages, but we should load the color package
1449                 if (par.find("\\color", 0) != string::npos)
1450                         features.require("color");
1451                 os << from_utf8(par)
1452                    << "}\n";
1453         }
1454         if (!tclass.provides("geometry")
1455             && (use_geometry || nonstandard_papersize)) {
1456                 odocstringstream ods;
1457                 if (!getGraphicsDriver("geometry").empty())
1458                         ods << getGraphicsDriver("geometry");
1459                 if (orientation == ORIENTATION_LANDSCAPE)
1460                         ods << ",landscape";
1461                 switch (papersize) {
1462                 case PAPER_CUSTOM:
1463                         if (!paperwidth.empty())
1464                                 ods << ",paperwidth="
1465                                    << from_ascii(paperwidth);
1466                         if (!paperheight.empty())
1467                                 ods << ",paperheight="
1468                                    << from_ascii(paperheight);
1469                         break;
1470                 case PAPER_USLETTER:
1471                         ods << ",letterpaper";
1472                         break;
1473                 case PAPER_USLEGAL:
1474                         ods << ",legalpaper";
1475                         break;
1476                 case PAPER_USEXECUTIVE:
1477                         ods << ",executivepaper";
1478                         break;
1479                 case PAPER_A0:
1480                         ods << ",a0paper";
1481                         break;
1482                 case PAPER_A1:
1483                         ods << ",a1paper";
1484                         break;
1485                 case PAPER_A2:
1486                         ods << ",a2paper";
1487                         break;
1488                 case PAPER_A3:
1489                         ods << ",a3paper";
1490                         break;
1491                 case PAPER_A4:
1492                         ods << ",a4paper";
1493                         break;
1494                 case PAPER_A5:
1495                         ods << ",a5paper";
1496                         break;
1497                 case PAPER_A6:
1498                         ods << ",a6paper";
1499                         break;
1500                 case PAPER_B0:
1501                         ods << ",b0paper";
1502                         break;
1503                 case PAPER_B1:
1504                         ods << ",b1paper";
1505                         break;
1506                 case PAPER_B2:
1507                         ods << ",b2paper";
1508                         break;
1509                 case PAPER_B3:
1510                         ods << ",b3paper";
1511                         break;
1512                 case PAPER_B4:
1513                         ods << ",b4paper";
1514                         break;
1515                 case PAPER_B5:
1516                         ods << ",b5paper";
1517                         break;
1518                 case PAPER_B6:
1519                         ods << ",b6paper";
1520                         break;
1521                 case PAPER_C0:
1522                         ods << ",c0paper";
1523                         break;
1524                 case PAPER_C1:
1525                         ods << ",c1paper";
1526                         break;
1527                 case PAPER_C2:
1528                         ods << ",c2paper";
1529                         break;
1530                 case PAPER_C3:
1531                         ods << ",c3paper";
1532                         break;
1533                 case PAPER_C4:
1534                         ods << ",c4paper";
1535                         break;
1536                 case PAPER_C5:
1537                         ods << ",c5paper";
1538                         break;
1539                 case PAPER_C6:
1540                         ods << ",c6paper";
1541                         break;
1542                 case PAPER_JISB0:
1543                         ods << ",b0j";
1544                         break;
1545                 case PAPER_JISB1:
1546                         ods << ",b1j";
1547                         break;
1548                 case PAPER_JISB2:
1549                         ods << ",b2j";
1550                         break;
1551                 case PAPER_JISB3:
1552                         ods << ",b3j";
1553                         break;
1554                 case PAPER_JISB4:
1555                         ods << ",b4j";
1556                         break;
1557                 case PAPER_JISB5:
1558                         ods << ",b5j";
1559                         break;
1560                 case PAPER_JISB6:
1561                         ods << ",b6j";
1562                         break;
1563                 default:
1564                         // default papersize ie PAPER_DEFAULT
1565                         switch (lyxrc.default_papersize) {
1566                         case PAPER_DEFAULT: // keep compiler happy
1567                                 break;
1568                         case PAPER_USLETTER:
1569                                 ods << ",letterpaper";
1570                                 break;
1571                         case PAPER_USLEGAL:
1572                                 ods << ",legalpaper";
1573                                 break;
1574                         case PAPER_USEXECUTIVE:
1575                                 ods << ",executivepaper";
1576                                 break;
1577                         case PAPER_A3:
1578                                 ods << ",a3paper";
1579                                 break;
1580                         case PAPER_A4:
1581                                 ods << ",a4paper";
1582                                 break;
1583                         case PAPER_A5:
1584                                 ods << ",a5paper";
1585                                 break;
1586                         case PAPER_B5:
1587                                 ods << ",b5paper";
1588                                 break;
1589                         case PAPER_A0:
1590                         case PAPER_A1:
1591                         case PAPER_A2:
1592                         case PAPER_A6:
1593                         case PAPER_B0:
1594                         case PAPER_B1:
1595                         case PAPER_B2:
1596                         case PAPER_B3:
1597                         case PAPER_B4:
1598                         case PAPER_B6:
1599                         case PAPER_C0:
1600                         case PAPER_C1:
1601                         case PAPER_C2:
1602                         case PAPER_C3:
1603                         case PAPER_C4:
1604                         case PAPER_C5:
1605                         case PAPER_C6:
1606                         case PAPER_JISB0:
1607                         case PAPER_JISB1:
1608                         case PAPER_JISB2:
1609                         case PAPER_JISB3:
1610                         case PAPER_JISB4:
1611                         case PAPER_JISB5:
1612                         case PAPER_JISB6:
1613                         case PAPER_CUSTOM:
1614                                 break;
1615                         }
1616                 }
1617                 docstring const g_options = trim(ods.str(), ",");
1618                 os << "\\usepackage";
1619                 if (!g_options.empty())
1620                         os << '[' << g_options << ']';
1621                 os << "{geometry}\n";
1622                 // output this only if use_geometry is true
1623                 if (use_geometry) {
1624                         os << "\\geometry{verbose";
1625                         if (!topmargin.empty())
1626                                 os << ",tmargin=" << from_ascii(Length(topmargin).asLatexString());
1627                         if (!bottommargin.empty())
1628                                 os << ",bmargin=" << from_ascii(Length(bottommargin).asLatexString());
1629                         if (!leftmargin.empty())
1630                                 os << ",lmargin=" << from_ascii(Length(leftmargin).asLatexString());
1631                         if (!rightmargin.empty())
1632                                 os << ",rmargin=" << from_ascii(Length(rightmargin).asLatexString());
1633                         if (!headheight.empty())
1634                                 os << ",headheight=" << from_ascii(Length(headheight).asLatexString());
1635                         if (!headsep.empty())
1636                                 os << ",headsep=" << from_ascii(Length(headsep).asLatexString());
1637                         if (!footskip.empty())
1638                                 os << ",footskip=" << from_ascii(Length(footskip).asLatexString());
1639                         if (!columnsep.empty())
1640                                 os << ",columnsep=" << from_ascii(Length(columnsep).asLatexString());
1641                         os << "}\n";
1642                 }
1643         } else if (orientation == ORIENTATION_LANDSCAPE
1644                    || papersize != PAPER_DEFAULT) {
1645                 features.require("papersize");
1646         }
1647
1648         if (tokenPos(tclass.opt_pagestyle(), '|', pagestyle) >= 0) {
1649                 if (pagestyle == "fancy")
1650                         os << "\\usepackage{fancyhdr}\n";
1651                 os << "\\pagestyle{" << from_ascii(pagestyle) << "}\n";
1652         }
1653
1654         // only output when the background color is not default
1655         if (isbackgroundcolor == true) {
1656                 // only require color here, the background color will be defined
1657                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1658                 // package pdfpages
1659                 features.require("color");
1660                 features.require("pagecolor");
1661         }
1662
1663         // only output when the font color is not default
1664         if (isfontcolor == true) {
1665                 // only require color here, the font color will be defined
1666                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1667                 // package pdfpages
1668                 features.require("color");
1669                 features.require("fontcolor");
1670         }
1671
1672         // Only if class has a ToC hierarchy
1673         if (tclass.hasTocLevels()) {
1674                 if (secnumdepth != tclass.secnumdepth()) {
1675                         os << "\\setcounter{secnumdepth}{"
1676                            << secnumdepth
1677                            << "}\n";
1678                 }
1679                 if (tocdepth != tclass.tocdepth()) {
1680                         os << "\\setcounter{tocdepth}{"
1681                            << tocdepth
1682                            << "}\n";
1683                 }
1684         }
1685
1686         if (paragraph_separation) {
1687                 // when skip separation
1688                 switch (getDefSkip().kind()) {
1689                 case VSpace::SMALLSKIP:
1690                         os << "\\setlength{\\parskip}{\\smallskipamount}\n";
1691                         break;
1692                 case VSpace::MEDSKIP:
1693                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1694                         break;
1695                 case VSpace::BIGSKIP:
1696                         os << "\\setlength{\\parskip}{\\bigskipamount}\n";
1697                         break;
1698                 case VSpace::LENGTH:
1699                         os << "\\setlength{\\parskip}{"
1700                            << from_utf8(getDefSkip().length().asLatexString())
1701                            << "}\n";
1702                         break;
1703                 default: // should never happen // Then delete it.
1704                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1705                         break;
1706                 }
1707                 os << "\\setlength{\\parindent}{0pt}\n";
1708         } else {
1709                 // when separation by indentation
1710                 // only output something when a width is given
1711                 if (getIndentation().asLyXCommand() != "default") {
1712                         os << "\\setlength{\\parindent}{"
1713                            << from_utf8(getIndentation().asLatexCommand())
1714                            << "}\n";
1715                 }
1716         }
1717
1718         // Now insert the LyX specific LaTeX commands...
1719         docstring lyxpreamble;
1720
1721         if (output_sync) {
1722                 if (!output_sync_macro.empty())
1723                         lyxpreamble += from_utf8(output_sync_macro) +"\n";
1724                 else if (features.runparams().flavor == OutputParams::LATEX)
1725                         lyxpreamble += "\\usepackage[active]{srcltx}\n";
1726                 else if (features.runparams().flavor == OutputParams::PDFLATEX)
1727                         lyxpreamble += "\\synctex=-1\n";
1728         }
1729
1730         // due to interferences with babel and hyperref, the color package has to
1731         // be loaded (when it is not already loaded) before babel when hyperref
1732         // is used with the colorlinks option, see
1733         // http://www.lyx.org/trac/ticket/5291
1734         // we decided therefore to load color always before babel, see
1735         // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg144349.html
1736         lyxpreamble += from_ascii(features.getColorOptions());
1737
1738         // If we use hyperref, jurabib, japanese, or vietnamese, we have to call babel before them.
1739         if (use_babel
1740             && (features.isRequired("jurabib")
1741                 || features.isRequired("hyperref")
1742                 || features.isRequired("vietnamese")
1743                 || features.isRequired("japanese"))) {
1744                         // FIXME UNICODE
1745                         lyxpreamble += from_utf8(features.getBabelPresettings());
1746                         lyxpreamble += from_utf8(babelCall(language_options.str(),
1747                                                            features.needBabelLangOptions())) + '\n';
1748                         lyxpreamble += from_utf8(features.getBabelPostsettings());
1749         }
1750
1751         // The optional packages;
1752         lyxpreamble += from_ascii(features.getPackages());
1753
1754         // Additional Indices
1755         if (features.isRequired("splitidx")) {
1756                 IndicesList::const_iterator iit = indiceslist().begin();
1757                 IndicesList::const_iterator iend = indiceslist().end();
1758                 for (; iit != iend; ++iit) {
1759                         lyxpreamble += "\\newindex[";
1760                         lyxpreamble += iit->index();
1761                         lyxpreamble += "]{";
1762                         lyxpreamble += iit->shortcut();
1763                         lyxpreamble += "}\n";
1764                 }
1765         }
1766
1767         // Line spacing
1768         lyxpreamble += from_utf8(spacing().writePreamble(tclass.provides("SetSpace")));
1769
1770         // PDF support.
1771         // * Hyperref manual: "Make sure it comes last of your loaded
1772         //   packages, to give it a fighting chance of not being over-written,
1773         //   since its job is to redefine many LaTeX commands."
1774         // * Email from Heiko Oberdiek: "It is usually better to load babel
1775         //   before hyperref. Then hyperref has a chance to detect babel.
1776         // * Has to be loaded before the "LyX specific LaTeX commands" to
1777         //   avoid errors with algorithm floats.
1778         // use hyperref explicitly if it is required
1779         if (features.isRequired("hyperref")) {
1780                 // pass what we have to stream here, since we need
1781                 // to access the stream itself in PDFOptions.
1782                 os << lyxpreamble;
1783
1784                 OutputParams tmp_params = features.runparams();
1785                 pdfoptions().writeLaTeX(tmp_params, os,
1786                                         documentClass().provides("hyperref"));
1787                 // set back for the rest
1788                 lyxpreamble.clear();
1789                 // correctly break URLs with hyperref and dvi output
1790                 if (features.runparams().flavor == OutputParams::LATEX
1791                     && features.isAvailable("breakurl"))
1792                         lyxpreamble += "\\usepackage{breakurl}\n";
1793         } else if (features.isRequired("nameref"))
1794                 // hyperref loads this automatically
1795                 lyxpreamble += "\\usepackage{nameref}\n";
1796
1797         // Will be surrounded by \makeatletter and \makeatother when not empty
1798         docstring atlyxpreamble;
1799
1800         // Some macros LyX will need
1801         docstring tmppreamble(features.getMacros());
1802
1803         if (!tmppreamble.empty())
1804                 atlyxpreamble += "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
1805                         "LyX specific LaTeX commands.\n"
1806                         + tmppreamble + '\n';
1807
1808         // the text class specific preamble
1809         tmppreamble = features.getTClassPreamble();
1810         if (!tmppreamble.empty())
1811                 atlyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
1812                         "Textclass specific LaTeX commands.\n"
1813                         + tmppreamble + '\n';
1814
1815         // suppress date if selected
1816         // use \@ifundefined because we cannot be sure that every document class
1817         // has a \date command
1818         if (suppress_date)
1819                 atlyxpreamble += "\\@ifundefined{date}{}{\\date{}}\n";
1820
1821         /* the user-defined preamble */
1822         if (!containsOnly(preamble, " \n\t"))
1823                 // FIXME UNICODE
1824                 atlyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
1825                         "User specified LaTeX commands.\n"
1826                         + from_utf8(preamble) + '\n';
1827
1828         // subfig loads internally the LaTeX package "caption". As
1829         // caption is a very popular package, users will load it in
1830         // the preamble. Therefore we must load subfig behind the
1831         // user-defined preamble and check if the caption package was
1832         // loaded or not. For the case that caption is loaded before
1833         // subfig, there is the subfig option "caption=false". This
1834         // option also works when a koma-script class is used and
1835         // koma's own caption commands are used instead of caption. We
1836         // use \PassOptionsToPackage here because the user could have
1837         // already loaded subfig in the preamble.
1838         if (features.isRequired("subfig")) {
1839                 atlyxpreamble += "\\@ifundefined{showcaptionsetup}{}{%\n"
1840                         " \\PassOptionsToPackage{caption=false}{subfig}}\n"
1841                         "\\usepackage{subfig}\n";
1842         }
1843
1844         // Itemize bullet settings need to be last in case the user
1845         // defines their own bullets that use a package included
1846         // in the user-defined preamble -- ARRae
1847         // Actually it has to be done much later than that
1848         // since some packages like frenchb make modifications
1849         // at \begin{document} time -- JMarc
1850         docstring bullets_def;
1851         for (int i = 0; i < 4; ++i) {
1852                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1853                         if (bullets_def.empty())
1854                                 bullets_def += "\\AtBeginDocument{\n";
1855                         bullets_def += "  \\def\\labelitemi";
1856                         switch (i) {
1857                                 // `i' is one less than the item to modify
1858                         case 0:
1859                                 break;
1860                         case 1:
1861                                 bullets_def += 'i';
1862                                 break;
1863                         case 2:
1864                                 bullets_def += "ii";
1865                                 break;
1866                         case 3:
1867                                 bullets_def += 'v';
1868                                 break;
1869                         }
1870                         bullets_def += '{' +
1871                                 user_defined_bullet(i).getText()
1872                                 + "}\n";
1873                 }
1874         }
1875
1876         if (!bullets_def.empty())
1877                 atlyxpreamble += bullets_def + "}\n\n";
1878
1879         if (!atlyxpreamble.empty())
1880                 lyxpreamble += "\n\\makeatletter\n"
1881                         + atlyxpreamble + "\\makeatother\n\n";
1882
1883         // We try to load babel late, in case it interferes with other packages.
1884         // Jurabib and Hyperref have to be called after babel, though.
1885         if (use_babel && !features.isRequired("jurabib")
1886             && !features.isRequired("hyperref")
1887             && !features.isRequired("vietnamese")
1888             && !features.isRequired("japanese")) {
1889                 // FIXME UNICODE
1890                 lyxpreamble += from_utf8(features.getBabelPresettings());
1891                 lyxpreamble += from_utf8(babelCall(language_options.str(),
1892                                                    features.needBabelLangOptions())) + '\n';
1893                 lyxpreamble += from_utf8(features.getBabelPostsettings());
1894         }
1895
1896         // xunicode needs to be loaded at least after amsmath, amssymb,
1897         // esint and the other packages that provide special glyphs
1898         if (features.runparams().flavor == OutputParams::XETEX)
1899                 lyxpreamble += "\\usepackage{xunicode}\n";
1900
1901         // Polyglossia must be loaded last
1902         if (use_polyglossia) {
1903                 // call the package
1904                 lyxpreamble += "\\usepackage{polyglossia}\n";
1905                 // set the main language
1906                 lyxpreamble += "\\setdefaultlanguage";
1907                 if (!language->polyglossiaOpts().empty())
1908                         lyxpreamble += "[" + from_ascii(language->polyglossiaOpts()) + "]";
1909                 lyxpreamble += "{" + from_ascii(language->polyglossia()) + "}\n";
1910                 // now setup the other languages
1911                 std::map<std::string, std::string> const polylangs =
1912                         features.getPolyglossiaLanguages();
1913                 for (std::map<std::string, std::string>::const_iterator mit = polylangs.begin();
1914                      mit != polylangs.end() ; ++mit) {
1915                         lyxpreamble += "\\setotherlanguage";
1916                         if (!mit->second.empty())
1917                                 lyxpreamble += "[" + from_ascii(mit->second) + "]";
1918                         lyxpreamble += "{" + from_ascii(mit->first) + "}\n";
1919                 }
1920         }
1921
1922         docstring const i18npreamble =
1923                 features.getTClassI18nPreamble(use_babel, use_polyglossia);
1924         if (!i18npreamble.empty())
1925                 lyxpreamble += i18npreamble + '\n';
1926
1927         os << lyxpreamble;
1928
1929         return use_babel;
1930 }
1931
1932
1933 void BufferParams::useClassDefaults()
1934 {
1935         DocumentClass const & tclass = documentClass();
1936
1937         sides = tclass.sides();
1938         columns = tclass.columns();
1939         pagestyle = tclass.pagestyle();
1940         use_default_options = true;
1941         // Only if class has a ToC hierarchy
1942         if (tclass.hasTocLevels()) {
1943                 secnumdepth = tclass.secnumdepth();
1944                 tocdepth = tclass.tocdepth();
1945         }
1946 }
1947
1948
1949 bool BufferParams::hasClassDefaults() const
1950 {
1951         DocumentClass const & tclass = documentClass();
1952
1953         return sides == tclass.sides()
1954                 && columns == tclass.columns()
1955                 && pagestyle == tclass.pagestyle()
1956                 && use_default_options
1957                 && secnumdepth == tclass.secnumdepth()
1958                 && tocdepth == tclass.tocdepth();
1959 }
1960
1961
1962 DocumentClass const & BufferParams::documentClass() const
1963 {
1964         return *doc_class_;
1965 }
1966
1967
1968 DocumentClass const * BufferParams::documentClassPtr() const
1969 {
1970         return doc_class_;
1971 }
1972
1973
1974 void BufferParams::setDocumentClass(DocumentClass const * const tc)
1975 {
1976         // evil, but this function is evil
1977         doc_class_ = const_cast<DocumentClass *>(tc);
1978 }
1979
1980
1981 bool BufferParams::setBaseClass(string const & classname)
1982 {
1983         LYXERR(Debug::TCLASS, "setBaseClass: " << classname);
1984         LayoutFileList & bcl = LayoutFileList::get();
1985         if (!bcl.haveClass(classname)) {
1986                 docstring s =
1987                         bformat(_("The layout file:\n"
1988                                 "%1$s\n"
1989                                 "could not be found. A default textclass with default\n"
1990                                 "layouts will be used. LyX will not be able to produce\n"
1991                                 "correct output."),
1992                         from_utf8(classname));
1993                 frontend::Alert::error(_("Document class not found"), s);
1994                 bcl.addEmptyClass(classname);
1995         }
1996
1997         bool const success = bcl[classname].load();
1998         if (!success) {
1999                 docstring s =
2000                         bformat(_("Due to some error in it, the layout file:\n"
2001                                 "%1$s\n"
2002                                 "could not be loaded. A default textclass with default\n"
2003                                 "layouts will be used. LyX will not be able to produce\n"
2004                                 "correct output."),
2005                         from_utf8(classname));
2006                 frontend::Alert::error(_("Could not load class"), s);
2007                 bcl.addEmptyClass(classname);
2008         }
2009
2010         pimpl_->baseClass_ = classname;
2011         layout_modules_.adaptToBaseClass(baseClass(), removed_modules_);
2012         return true;
2013 }
2014
2015
2016 LayoutFile const * BufferParams::baseClass() const
2017 {
2018         if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
2019                 return &(LayoutFileList::get()[pimpl_->baseClass_]);
2020         else
2021                 return 0;
2022 }
2023
2024
2025 LayoutFileIndex const & BufferParams::baseClassID() const
2026 {
2027         return pimpl_->baseClass_;
2028 }
2029
2030
2031 void BufferParams::makeDocumentClass()
2032 {
2033         if (!baseClass())
2034                 return;
2035
2036         doc_class_ = &(DocumentClassBundle::get().makeDocumentClass(*baseClass(), layout_modules_));
2037
2038         if (!local_layout.empty()) {
2039                 TextClass::ReturnValues success =
2040                         doc_class_->read(local_layout, TextClass::MODULE);
2041                 if (success != TextClass::OK && success != TextClass::OK_OLDFORMAT) {
2042                         docstring const msg = _("Error reading internal layout information");
2043                         frontend::Alert::warning(_("Read Error"), msg);
2044                 }
2045         }
2046 }
2047
2048
2049 bool BufferParams::moduleCanBeAdded(string const & modName) const
2050 {
2051         return layout_modules_.moduleCanBeAdded(modName, baseClass());
2052 }
2053
2054
2055 bool BufferParams::addLayoutModule(string const & modName)
2056 {
2057         LayoutModuleList::const_iterator it = layout_modules_.begin();
2058         LayoutModuleList::const_iterator end = layout_modules_.end();
2059         for (; it != end; it++)
2060                 if (*it == modName)
2061                         return false;
2062         layout_modules_.push_back(modName);
2063         return true;
2064 }
2065
2066
2067 string BufferParams::bufferFormat() const
2068 {
2069         string format = documentClass().outputFormat();
2070         if (format == "latex") {
2071                 if (useNonTeXFonts)
2072                         return "xetex";
2073                 if (encoding().package() == Encoding::japanese)
2074                         return "platex";
2075         }
2076         return format;
2077 }
2078
2079
2080 bool BufferParams::isExportable(string const & format) const
2081 {
2082         vector<string> backs = backends();
2083         for (vector<string>::const_iterator it = backs.begin();
2084              it != backs.end(); ++it)
2085                 if (theConverters().isReachable(*it, format))
2086                         return true;
2087         return false;
2088 }
2089
2090
2091 vector<Format const *> BufferParams::exportableFormats(bool only_viewable) const
2092 {
2093         vector<string> const backs = backends();
2094         set<string> excludes;
2095         if (useNonTeXFonts) {
2096                 excludes.insert("latex");
2097                 excludes.insert("pdflatex");
2098         }
2099         vector<Format const *> result =
2100                 theConverters().getReachable(backs[0], only_viewable, true, excludes);
2101         for (vector<string>::const_iterator it = backs.begin() + 1;
2102              it != backs.end(); ++it) {
2103                 vector<Format const *>  r =
2104                         theConverters().getReachable(*it, only_viewable, false, excludes);
2105                 result.insert(result.end(), r.begin(), r.end());
2106         }
2107         return result;
2108 }
2109
2110
2111 bool BufferParams::isExportableFormat(string const & format) const
2112 {
2113                 typedef vector<Format const *> Formats;
2114                 Formats formats;
2115                 formats = exportableFormats(true);
2116                 Formats::const_iterator fit = formats.begin();
2117                 Formats::const_iterator end = formats.end();
2118                 for (; fit != end ; ++fit) {
2119                         if ((*fit)->name() == format)
2120                                 return true;
2121                 }
2122                 return false;
2123 }
2124
2125
2126 vector<string> BufferParams::backends() const
2127 {
2128         vector<string> v;
2129         v.push_back(bufferFormat());
2130         // FIXME: Don't hardcode format names here, but use a flag
2131         if (v.back() == "latex") {
2132                 v.push_back("pdflatex");
2133                 v.push_back("luatex");
2134                 v.push_back("dviluatex");
2135                 v.push_back("xetex");
2136         } else if (v.back() == "xetex") {
2137                 v.push_back("luatex");
2138                 v.push_back("dviluatex");
2139         }
2140         v.push_back("xhtml");
2141         v.push_back("text");
2142         v.push_back("lyx");
2143         return v;
2144 }
2145
2146
2147 OutputParams::FLAVOR BufferParams::getOutputFlavor(string const format) const
2148 {
2149         string const dformat = (format.empty() || format == "default") ?
2150                 getDefaultOutputFormat() : format;
2151         DefaultFlavorCache::const_iterator it =
2152                 default_flavors_.find(dformat);
2153
2154         if (it != default_flavors_.end())
2155                 return it->second;
2156
2157         OutputParams::FLAVOR result = OutputParams::LATEX;
2158
2159         if (dformat == "xhtml")
2160                 result = OutputParams::HTML;
2161         else {
2162                 // Try to determine flavor of default output format
2163                 vector<string> backs = backends();
2164                 if (find(backs.begin(), backs.end(), dformat) == backs.end()) {
2165                         // Get shortest path to format
2166                         Graph::EdgePath path;
2167                         for (vector<string>::const_iterator it = backs.begin();
2168                             it != backs.end(); ++it) {
2169                                 Graph::EdgePath p = theConverters().getPath(*it, dformat);
2170                                 if (!p.empty() && (path.empty() || p.size() < path.size())) {
2171                                         path = p;
2172                                 }
2173                         }
2174                         if (!path.empty())
2175                                 result = theConverters().getFlavor(path);
2176                 }
2177         }
2178         // cache this flavor
2179         default_flavors_[dformat] = result;
2180         return result;
2181 }
2182
2183
2184 string BufferParams::getDefaultOutputFormat() const
2185 {
2186         if (!default_output_format.empty()
2187             && default_output_format != "default")
2188                 return default_output_format;
2189         if (isDocBook()
2190             || useNonTeXFonts
2191             || encoding().package() == Encoding::japanese) {
2192                 vector<Format const *> const formats = exportableFormats(true);
2193                 if (formats.empty())
2194                         return string();
2195                 // return the first we find
2196                 return formats.front()->name();
2197         }
2198         return lyxrc.default_view_format;
2199 }
2200
2201 Font const BufferParams::getFont() const
2202 {
2203         FontInfo f = documentClass().defaultfont();
2204         if (fonts_default_family == "rmdefault")
2205                 f.setFamily(ROMAN_FAMILY);
2206         else if (fonts_default_family == "sfdefault")
2207                 f.setFamily(SANS_FAMILY);
2208         else if (fonts_default_family == "ttdefault")
2209                 f.setFamily(TYPEWRITER_FAMILY);
2210         return Font(f, language);
2211 }
2212
2213
2214 bool BufferParams::isLatex() const
2215 {
2216         return documentClass().outputType() == LATEX;
2217 }
2218
2219
2220 bool BufferParams::isLiterate() const
2221 {
2222         return documentClass().outputType() == LITERATE;
2223 }
2224
2225
2226 bool BufferParams::isDocBook() const
2227 {
2228         return documentClass().outputType() == DOCBOOK;
2229 }
2230
2231
2232 void BufferParams::readPreamble(Lexer & lex)
2233 {
2234         if (lex.getString() != "\\begin_preamble")
2235                 lyxerr << "Error (BufferParams::readPreamble):"
2236                         "consistency check failed." << endl;
2237
2238         preamble = lex.getLongString("\\end_preamble");
2239 }
2240
2241
2242 void BufferParams::readLocalLayout(Lexer & lex)
2243 {
2244         if (lex.getString() != "\\begin_local_layout")
2245                 lyxerr << "Error (BufferParams::readLocalLayout):"
2246                         "consistency check failed." << endl;
2247
2248         local_layout = lex.getLongString("\\end_local_layout");
2249 }
2250
2251
2252 bool BufferParams::setLanguage(string const & lang)
2253 {
2254         Language const *new_language = languages.getLanguage(lang);
2255         if (!new_language) {
2256                 // Language lang was not found
2257                 return false;
2258         }
2259         language = new_language;
2260         return true;
2261 }
2262
2263
2264 void BufferParams::readLanguage(Lexer & lex)
2265 {
2266         if (!lex.next()) return;
2267
2268         string const tmptok = lex.getString();
2269
2270         // check if tmptok is part of tex_babel in tex-defs.h
2271         if (!setLanguage(tmptok)) {
2272                 // Language tmptok was not found
2273                 language = default_language;
2274                 lyxerr << "Warning: Setting language `"
2275                        << tmptok << "' to `" << language->lang()
2276                        << "'." << endl;
2277         }
2278 }
2279
2280
2281 void BufferParams::readGraphicsDriver(Lexer & lex)
2282 {
2283         if (!lex.next())
2284                 return;
2285
2286         string const tmptok = lex.getString();
2287         // check if tmptok is part of tex_graphics in tex_defs.h
2288         int n = 0;
2289         while (true) {
2290                 string const test = tex_graphics[n++];
2291
2292                 if (test == tmptok) {
2293                         graphics_driver = tmptok;
2294                         break;
2295                 }
2296                 if (test.empty()) {
2297                         lex.printError(
2298                                 "Warning: graphics driver `$$Token' not recognized!\n"
2299                                 "         Setting graphics driver to `default'.\n");
2300                         graphics_driver = "default";
2301                         break;
2302                 }
2303         }
2304 }
2305
2306
2307 void BufferParams::readBullets(Lexer & lex)
2308 {
2309         if (!lex.next())
2310                 return;
2311
2312         int const index = lex.getInteger();
2313         lex.next();
2314         int temp_int = lex.getInteger();
2315         user_defined_bullet(index).setFont(temp_int);
2316         temp_bullet(index).setFont(temp_int);
2317         lex >> temp_int;
2318         user_defined_bullet(index).setCharacter(temp_int);
2319         temp_bullet(index).setCharacter(temp_int);
2320         lex >> temp_int;
2321         user_defined_bullet(index).setSize(temp_int);
2322         temp_bullet(index).setSize(temp_int);
2323 }
2324
2325
2326 void BufferParams::readBulletsLaTeX(Lexer & lex)
2327 {
2328         // The bullet class should be able to read this.
2329         if (!lex.next())
2330                 return;
2331         int const index = lex.getInteger();
2332         lex.next(true);
2333         docstring const temp_str = lex.getDocString();
2334
2335         user_defined_bullet(index).setText(temp_str);
2336         temp_bullet(index).setText(temp_str);
2337 }
2338
2339
2340 void BufferParams::readModules(Lexer & lex)
2341 {
2342         if (!lex.eatLine()) {
2343                 lyxerr << "Error (BufferParams::readModules):"
2344                                 "Unexpected end of input." << endl;
2345                 return;
2346         }
2347         while (true) {
2348                 string mod = lex.getString();
2349                 if (mod == "\\end_modules")
2350                         break;
2351                 addLayoutModule(mod);
2352                 lex.eatLine();
2353         }
2354 }
2355
2356
2357 void BufferParams::readRemovedModules(Lexer & lex)
2358 {
2359         if (!lex.eatLine()) {
2360                 lyxerr << "Error (BufferParams::readRemovedModules):"
2361                                 "Unexpected end of input." << endl;
2362                 return;
2363         }
2364         while (true) {
2365                 string mod = lex.getString();
2366                 if (mod == "\\end_removed_modules")
2367                         break;
2368                 removed_modules_.push_back(mod);
2369                 lex.eatLine();
2370         }
2371         // now we want to remove any removed modules that were previously
2372         // added. normally, that will be because default modules were added in
2373         // setBaseClass(), which gets called when \textclass is read at the
2374         // start of the read.
2375         list<string>::const_iterator rit = removed_modules_.begin();
2376         list<string>::const_iterator const ren = removed_modules_.end();
2377         for (; rit != ren; rit++) {
2378                 LayoutModuleList::iterator const mit = layout_modules_.begin();
2379                 LayoutModuleList::iterator const men = layout_modules_.end();
2380                 LayoutModuleList::iterator found = find(mit, men, *rit);
2381                 if (found == men)
2382                         continue;
2383                 layout_modules_.erase(found);
2384         }
2385 }
2386
2387
2388 void BufferParams::readIncludeonly(Lexer & lex)
2389 {
2390         if (!lex.eatLine()) {
2391                 lyxerr << "Error (BufferParams::readIncludeonly):"
2392                                 "Unexpected end of input." << endl;
2393                 return;
2394         }
2395         while (true) {
2396                 string child = lex.getString();
2397                 if (child == "\\end_includeonly")
2398                         break;
2399                 included_children_.push_back(child);
2400                 lex.eatLine();
2401         }
2402 }
2403
2404
2405 string BufferParams::paperSizeName(PapersizePurpose purpose) const
2406 {
2407         char real_papersize = papersize;
2408         if (real_papersize == PAPER_DEFAULT)
2409                 real_papersize = lyxrc.default_papersize;
2410
2411         switch (real_papersize) {
2412         case PAPER_DEFAULT:
2413                 // could be anything, so don't guess
2414                 return string();
2415         case PAPER_CUSTOM: {
2416                 if (purpose == XDVI && !paperwidth.empty() &&
2417                     !paperheight.empty()) {
2418                         // heightxwidth<unit>
2419                         string first = paperwidth;
2420                         string second = paperheight;
2421                         if (orientation == ORIENTATION_LANDSCAPE)
2422                                 first.swap(second);
2423                         // cut off unit.
2424                         return first.erase(first.length() - 2)
2425                                 + "x" + second;
2426                 }
2427                 return string();
2428         }
2429         case PAPER_A0:
2430                 // dvips and dvipdfm do not know this
2431                 if (purpose == DVIPS || purpose == DVIPDFM)
2432                         return string();
2433                 return "a0";
2434         case PAPER_A1:
2435                 if (purpose == DVIPS || purpose == DVIPDFM)
2436                         return string();
2437                 return "a1";
2438         case PAPER_A2:
2439                 if (purpose == DVIPS || purpose == DVIPDFM)
2440                         return string();
2441                 return "a2";
2442         case PAPER_A3:
2443                 return "a3";
2444         case PAPER_A4:
2445                 return "a4";
2446         case PAPER_A5:
2447                 return "a5";
2448         case PAPER_A6:
2449                 if (purpose == DVIPS || purpose == DVIPDFM)
2450                         return string();
2451                 return "a6";
2452         case PAPER_B0:
2453                 if (purpose == DVIPS || purpose == DVIPDFM)
2454                         return string();
2455                 return "b0";
2456         case PAPER_B1:
2457                 if (purpose == DVIPS || purpose == DVIPDFM)
2458                         return string();
2459                 return "b1";
2460         case PAPER_B2:
2461                 if (purpose == DVIPS || purpose == DVIPDFM)
2462                         return string();
2463                 return "b2";
2464         case PAPER_B3:
2465                 if (purpose == DVIPS || purpose == DVIPDFM)
2466                         return string();
2467                 return "b3";
2468         case PAPER_B4:
2469                 // dvipdfm does not know this
2470                 if (purpose == DVIPDFM)
2471                         return string();
2472                 return "b4";
2473         case PAPER_B5:
2474                 if (purpose == DVIPDFM)
2475                         return string();
2476                 return "b5";
2477         case PAPER_B6:
2478                 if (purpose == DVIPS || purpose == DVIPDFM)
2479                         return string();
2480                 return "b6";
2481         case PAPER_C0:
2482                 if (purpose == DVIPS || purpose == DVIPDFM)
2483                         return string();
2484                 return "c0";
2485         case PAPER_C1:
2486                 if (purpose == DVIPS || purpose == DVIPDFM)
2487                         return string();
2488                 return "c1";
2489         case PAPER_C2:
2490                 if (purpose == DVIPS || purpose == DVIPDFM)
2491                         return string();
2492                 return "c2";
2493         case PAPER_C3:
2494                 if (purpose == DVIPS || purpose == DVIPDFM)
2495                         return string();
2496                 return "c3";
2497         case PAPER_C4:
2498                 if (purpose == DVIPS || purpose == DVIPDFM)
2499                         return string();
2500                 return "c4";
2501         case PAPER_C5:
2502                 if (purpose == DVIPS || purpose == DVIPDFM)
2503                         return string();
2504                 return "c5";
2505         case PAPER_C6:
2506                 if (purpose == DVIPS || purpose == DVIPDFM)
2507                         return string();
2508                 return "c6";
2509         case PAPER_JISB0:
2510                 if (purpose == DVIPS || purpose == DVIPDFM)
2511                         return string();
2512                 return "jisb0";
2513         case PAPER_JISB1:
2514                 if (purpose == DVIPS || purpose == DVIPDFM)
2515                         return string();
2516                 return "jisb1";
2517         case PAPER_JISB2:
2518                 if (purpose == DVIPS || purpose == DVIPDFM)
2519                         return string();
2520                 return "jisb2";
2521         case PAPER_JISB3:
2522                 if (purpose == DVIPS || purpose == DVIPDFM)
2523                         return string();
2524                 return "jisb3";
2525         case PAPER_JISB4:
2526                 if (purpose == DVIPS || purpose == DVIPDFM)
2527                         return string();
2528                 return "jisb4";
2529         case PAPER_JISB5:
2530                 if (purpose == DVIPS || purpose == DVIPDFM)
2531                         return string();
2532                 return "jisb5";
2533         case PAPER_JISB6:
2534                 if (purpose == DVIPS || purpose == DVIPDFM)
2535                         return string();
2536                 return "jisb6";
2537         case PAPER_USEXECUTIVE:
2538                 // dvipdfm does not know this
2539                 if (purpose == DVIPDFM)
2540                         return string();
2541                 return "foolscap";
2542         case PAPER_USLEGAL:
2543                 return "legal";
2544         case PAPER_USLETTER:
2545         default:
2546                 if (purpose == XDVI)
2547                         return "us";
2548                 return "letter";
2549         }
2550 }
2551
2552
2553 string const BufferParams::dvips_options() const
2554 {
2555         string result;
2556
2557         if (use_geometry
2558             && papersize == PAPER_CUSTOM
2559             && !lyxrc.print_paper_dimension_flag.empty()
2560             && !paperwidth.empty()
2561             && !paperheight.empty()) {
2562                 // using a custom papersize
2563                 result = lyxrc.print_paper_dimension_flag;
2564                 result += ' ' + paperwidth;
2565                 result += ',' + paperheight;
2566         } else {
2567                 string const paper_option = paperSizeName(DVIPS);
2568                 if (!paper_option.empty() && (paper_option != "letter" ||
2569                     orientation != ORIENTATION_LANDSCAPE)) {
2570                         // dvips won't accept -t letter -t landscape.
2571                         // In all other cases, include the paper size
2572                         // explicitly.
2573                         result = lyxrc.print_paper_flag;
2574                         result += ' ' + paper_option;
2575                 }
2576         }
2577         if (orientation == ORIENTATION_LANDSCAPE &&
2578             papersize != PAPER_CUSTOM)
2579                 result += ' ' + lyxrc.print_landscape_flag;
2580         return result;
2581 }
2582
2583
2584 string const BufferParams::font_encoding() const
2585 {
2586         return (fontenc == "global") ? lyxrc.fontenc : fontenc;
2587 }
2588
2589
2590 string BufferParams::babelCall(string const & lang_opts, bool const langoptions) const
2591 {
2592         if (lang_package != "auto" && lang_package != "babel"
2593             && lang_package != "default" && lang_package != "none")
2594                 return lang_package;
2595         if (lyxrc.language_package_selection == LyXRC::LP_CUSTOM)
2596                 return lyxrc.language_custom_package;
2597         // suppress the babel call if there is no BabelName defined
2598         // for the document language in the lib/languages file and if no
2599         // other languages are used (lang_opts is then empty)
2600         if (lang_opts.empty())
2601                 return string();
2602         // either a specific language (AsBabelOptions setting in
2603         // lib/languages) or the prefs require the languages to
2604         // be submitted to babel itself (not the class).
2605         if (langoptions)
2606                 return "\\usepackage[" + lang_opts + "]{babel}";
2607         return "\\usepackage{babel}";
2608 }
2609
2610
2611 docstring BufferParams::getGraphicsDriver(string const & package) const
2612 {
2613         docstring result;
2614
2615         if (package == "geometry") {
2616                 if (graphics_driver == "dvips"
2617                     || graphics_driver == "dvipdfm"
2618                     || graphics_driver == "pdftex"
2619                     || graphics_driver == "vtex")
2620                         result = from_ascii(graphics_driver);
2621                 else if (graphics_driver == "dvipdfmx")
2622                         result = from_ascii("dvipdfm");
2623         }
2624
2625         return result;
2626 }
2627
2628
2629 void BufferParams::writeEncodingPreamble(otexstream & os,
2630                                          LaTeXFeatures & features) const
2631 {
2632         // XeTeX does not need this
2633         if (features.runparams().flavor == OutputParams::XETEX)
2634                 return;
2635         // LuaTeX neither, but with tex fonts, we need to load
2636         // the luainputenc package.
2637         if (features.runparams().flavor == OutputParams::LUATEX
2638                 || features.runparams().flavor == OutputParams::DVILUATEX) {
2639                 if (!useNonTeXFonts && inputenc != "default"
2640                     && ((inputenc == "auto" && language->encoding()->package() == Encoding::inputenc)
2641                         || (inputenc != "auto" && encoding().package() == Encoding::inputenc))) {
2642                         os << "\\usepackage[utf8]{luainputenc}\n";
2643                 }
2644                 return;
2645         }
2646         if (inputenc == "auto") {
2647                 string const doc_encoding =
2648                         language->encoding()->latexName();
2649                 Encoding::Package const package =
2650                         language->encoding()->package();
2651
2652                 // Create a list with all the input encodings used
2653                 // in the document
2654                 set<string> encodings =
2655                         features.getEncodingSet(doc_encoding);
2656
2657                 // If the "japanese" package (i.e. pLaTeX) is used,
2658                 // inputenc must be omitted.
2659                 // see http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129680.html
2660                 if (package == Encoding::japanese)
2661                      features.require("japanese");
2662
2663                 if ((!encodings.empty() || package == Encoding::inputenc)
2664                     && !features.isRequired("japanese")) {
2665                         os << "\\usepackage[";
2666                         set<string>::const_iterator it = encodings.begin();
2667                         set<string>::const_iterator const end = encodings.end();
2668                         if (it != end) {
2669                                 os << from_ascii(*it);
2670                                 ++it;
2671                         }
2672                         for (; it != end; ++it)
2673                                 os << ',' << from_ascii(*it);
2674                         if (package == Encoding::inputenc) {
2675                                 if (!encodings.empty())
2676                                         os << ',';
2677                                 os << from_ascii(doc_encoding);
2678                         }
2679                         os << "]{inputenc}\n";
2680                 }
2681                 if (package == Encoding::CJK || features.mustProvide("CJK")) {
2682                         if (language->encoding()->name() == "utf8-cjk"
2683                             && LaTeXFeatures::isAvailable("CJKutf8"))
2684                                 os << "\\usepackage{CJKutf8}\n";
2685                         else
2686                                 os << "\\usepackage{CJK}\n";
2687                 }
2688         } else if (inputenc != "default") {
2689                 switch (encoding().package()) {
2690                 case Encoding::none:
2691                 case Encoding::japanese:
2692                         break;
2693                 case Encoding::inputenc:
2694                         // do not load inputenc if japanese is used
2695                         if (features.isRequired("japanese"))
2696                                 break;
2697                         os << "\\usepackage[" << from_ascii(inputenc)
2698                            << "]{inputenc}\n";
2699                         break;
2700                 case Encoding::CJK:
2701                         if (encoding().name() == "utf8-cjk"
2702                             && LaTeXFeatures::isAvailable("CJKutf8"))
2703                                 os << "\\usepackage{CJKutf8}\n";
2704                         else
2705                                 os << "\\usepackage{CJK}\n";
2706                         break;
2707                 }
2708         }
2709
2710         // The encoding "armscii8" (for Armenian) is only available when
2711         // the package "armtex" is loaded.
2712         if (language->encoding()->latexName() == "armscii8"
2713             || inputenc == "armscii8")
2714                 os << "\\usepackage{armtex}\n";
2715 }
2716
2717
2718 string const BufferParams::parseFontName(string const & name) const
2719 {
2720         string mangled = name;
2721         size_t const idx = mangled.find('[');
2722         if (idx == string::npos || idx == 0)
2723                 return mangled;
2724         else
2725                 return mangled.substr(0, idx - 1);
2726 }
2727
2728
2729 string const BufferParams::loadFonts(string const & rm,
2730                                      string const & sf, string const & tt,
2731                                      bool const & sc, bool const & osf,
2732                                      int const & sfscale, int const & ttscale,
2733                                      bool const & use_systemfonts,
2734                                      LaTeXFeatures & features) const
2735 {
2736         /* The LaTeX font world is in a flux. In the PSNFSS font interface,
2737            several packages have been replaced by others, that might not
2738            be installed on every system. We have to take care for that
2739            (see psnfss.pdf). We try to support all psnfss fonts as well
2740            as the fonts that have become de facto standard in the LaTeX
2741            world (e.g. Latin Modern). We do not support obsolete fonts
2742            (like PSLatex). In general, it should be possible to mix any
2743            rm font with any sf or tt font, respectively. (JSpitzm)
2744            TODO:
2745                 -- separate math fonts.
2746         */
2747
2748         if (rm == "default" && sf == "default" && tt == "default")
2749                 //nothing to do
2750                 return string();
2751
2752         ostringstream os;
2753
2754         /* Fontspec (XeTeX, LuaTeX): we provide GUI support for oldstyle
2755          * numbers (Numbers=OldStyle) and sf/tt scaling. The Ligatures=TeX/
2756          * Mapping=tex-text option assures TeX ligatures (such as "--")
2757          * are resolved. Note that tt does not use these ligatures.
2758          * TODO:
2759          *    -- add more GUI options?
2760          *    -- add more fonts (fonts for other scripts)
2761          *    -- if there's a way to find out if a font really supports
2762          *       OldStyle, enable/disable the widget accordingly.
2763         */
2764         if (use_systemfonts && features.isAvailable("fontspec")) {
2765                 // "Mapping=tex-text" and "Ligatures=TeX" are equivalent.
2766                 // However, until v.2 (2010/07/11) fontspec only knew
2767                 // Mapping=tex-text (for XeTeX only); then "Ligatures=TeX"
2768                 // was introduced for both XeTeX and LuaTeX (LuaTeX
2769                 // didn't understand "Mapping=tex-text", while XeTeX
2770                 // understood both. With most recent versions, both
2771                 // variants are understood by both engines. However,
2772                 // we want to provide support for at least TeXLive 2009
2773                 // (for XeTeX; LuaTeX is only supported as of v.2)
2774                 string const texmapping =
2775                         (features.runparams().flavor == OutputParams::XETEX) ?
2776                         "Mapping=tex-text" : "Ligatures=TeX";
2777                 if (rm != "default") {
2778                         os << "\\setmainfont[" << texmapping;
2779                         if (osf)
2780                                 os << ",Numbers=OldStyle";
2781                         os << "]{" << parseFontName(rm) << "}\n";
2782                 }
2783                 if (sf != "default") {
2784                         string const sans = parseFontName(sf);
2785                         if (sfscale != 100)
2786                                 os << "\\setsansfont[Scale="
2787                                    << float(sfscale) / 100
2788                                    << "," << texmapping << "]{"
2789                                    << sans << "}\n";
2790                         else
2791                                 os << "\\setsansfont[" << texmapping << "]{"
2792                                    << sans << "}\n";
2793                 }
2794                 if (tt != "default") {
2795                         string const mono = parseFontName(tt);
2796                         if (ttscale != 100)
2797                                 os << "\\setmonofont[Scale="
2798                                    << float(ttscale) / 100
2799                                    << "]{"
2800                                    << mono << "}\n";
2801                         else
2802                                 os << "\\setmonofont{"
2803                                    << mono << "}\n";
2804                 }
2805                 return os.str();
2806         }
2807
2808         // ROMAN FONTS
2809         // Computer Modern (must be explicitly selectable -- there might be classes
2810         // that define a different default font!
2811         if (rm == "cmr") {
2812                 os << "\\renewcommand{\\rmdefault}{cmr}\n";
2813                 // osf for Computer Modern needs eco.sty
2814                 if (osf)
2815                         os << "\\usepackage{eco}\n";
2816         }
2817         // Latin Modern Roman
2818         else if (rm == "lmodern")
2819                 os << "\\usepackage{lmodern}\n";
2820         // AE
2821         else if (rm == "ae") {
2822                 // not needed when using OT1 font encoding.
2823                 if (font_encoding() != "default")
2824                         os << "\\usepackage{ae,aecompl}\n";
2825         }
2826         // Times
2827         else if (rm == "times") {
2828                 // try to load the best available package
2829                 if (LaTeXFeatures::isAvailable("mathptmx"))
2830                         os << "\\usepackage{mathptmx}\n";
2831                 else if (LaTeXFeatures::isAvailable("mathptm"))
2832                         os << "\\usepackage{mathptm}\n";
2833                 else
2834                         os << "\\usepackage{times}\n";
2835         }
2836         // Palatino
2837         else if (rm == "palatino") {
2838                 // try to load the best available package
2839                 if (LaTeXFeatures::isAvailable("mathpazo")) {
2840                         os << "\\usepackage";
2841                         if (osf || sc) {
2842                                 os << '[';
2843                                 if (!osf)
2844                                         os << "sc";
2845                                 else
2846                                         // "osf" includes "sc"!
2847                                         os << "osf";
2848                                 os << ']';
2849                         }
2850                         os << "{mathpazo}\n";
2851                 }
2852                 else if (LaTeXFeatures::isAvailable("mathpple"))
2853                         os << "\\usepackage{mathpple}\n";
2854                 else
2855                         os << "\\usepackage{palatino}\n";
2856         }
2857         // Utopia
2858         else if (rm == "utopia") {
2859                 // fourier supersedes utopia.sty, but does
2860                 // not work with OT1 encoding.
2861                 if (LaTeXFeatures::isAvailable("fourier")
2862                     && font_encoding() != "default") {
2863                         os << "\\usepackage";
2864                         if (osf || sc) {
2865                                 os << '[';
2866                                 if (sc)
2867                                         os << "expert";
2868                                 if (osf && sc)
2869                                         os << ',';
2870                                 if (osf)
2871                                         os << "oldstyle";
2872                                 os << ']';
2873                         }
2874                         os << "{fourier}\n";
2875                 }
2876                 else
2877                         os << "\\usepackage{utopia}\n";
2878         }
2879         // Bera (complete fontset)
2880         else if (rm == "bera" && sf == "default" && tt == "default")
2881                 os << "\\usepackage{bera}\n";
2882         // everything else
2883         else if (rm != "default")
2884                 os << "\\usepackage" << "{" << rm << "}\n";
2885
2886         // SANS SERIF
2887         // Helvetica, Bera Sans
2888         if (sf == "helvet" || sf == "berasans") {
2889                 if (sfscale != 100)
2890                         os << "\\usepackage[scaled=" << float(sfscale) / 100
2891                            << "]{" << sf << "}\n";
2892                 else
2893                         os << "\\usepackage{" << sf << "}\n";
2894         }
2895         // Avant Garde
2896         else if (sf == "avant")
2897                 os << "\\usepackage{" << sf << "}\n";
2898         // Computer Modern, Latin Modern, CM Bright
2899         else if (sf != "default")
2900                 os << "\\renewcommand{\\sfdefault}{" << sf << "}\n";
2901
2902         // monospaced/typewriter
2903         // Courier, LuxiMono
2904         if (tt == "luximono" || tt == "beramono") {
2905                 if (ttscale != 100)
2906                         os << "\\usepackage[scaled=" << float(ttscale) / 100
2907                            << "]{" << tt << "}\n";
2908                 else
2909                         os << "\\usepackage{" << tt << "}\n";
2910         }
2911         // Courier
2912         else if (tt == "courier" )
2913                 os << "\\usepackage{" << tt << "}\n";
2914         // Computer Modern, Latin Modern, CM Bright
2915         else if (tt != "default")
2916                 os << "\\renewcommand{\\ttdefault}{" << tt << "}\n";
2917
2918         return os.str();
2919 }
2920
2921
2922 Encoding const & BufferParams::encoding() const
2923 {
2924         // FIXME: actually, we should check for the flavor
2925         // or runparams.isFullyUnicode() here:
2926         // This check will not work with XeTeX/LuaTeX and tex fonts.
2927         // Thus we have to reset the encoding in Buffer::makeLaTeXFile.
2928         if (useNonTeXFonts)
2929                 return *(encodings.fromLaTeXName("utf8-plain"));
2930         if (inputenc == "auto" || inputenc == "default")
2931                 return *language->encoding();
2932         Encoding const * const enc = encodings.fromLaTeXName(inputenc);
2933         if (enc)
2934                 return *enc;
2935         LYXERR0("Unknown inputenc value `" << inputenc
2936                << "'. Using `auto' instead.");
2937         return *language->encoding();
2938 }
2939
2940
2941 CiteEngine BufferParams::citeEngine() const
2942 {
2943         // FIXME the class should provide the numerical/
2944         // authoryear choice
2945         if (documentClass().provides("natbib")
2946             && cite_engine_ != ENGINE_NATBIB_NUMERICAL)
2947                 return ENGINE_NATBIB_AUTHORYEAR;
2948         return cite_engine_;
2949 }
2950
2951
2952 void BufferParams::setCiteEngine(CiteEngine cite_engine)
2953 {
2954         cite_engine_ = cite_engine;
2955 }
2956
2957 } // namespace lyx