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.h"
  24 #include "buffer_funcs.h"
  25 #include "Bullet.h"
  26 #include "CiteEnginesList.h"
  27 #include "Color.h"
  28 #include "ColorSet.h"
  29 #include "Converter.h"
  30 #include "Encoding.h"
  31 #include "IndicesList.h"
  32 #include "Language.h"
  33 #include "LaTeXFeatures.h"
  34 #include "LaTeXFonts.h"
  35 #include "Length.h"
  36 #include "ModuleList.h"
  37 #include "Font.h"
  38 #include "Lexer.h"
  39 #include "LyXRC.h"
  40 #include "OutputParams.h"
  41 #include "Spacing.h"
  42 #include "texstream.h"
  43 #include "TexRow.h"
  44 #include "VSpace.h"
  45 #include "PDFOptions.h"
  46
  47 #include "frontends/alert.h"
  48
  49 #include "insets/InsetListingsParams.h"
  50
  51 #include "support/convert.h"
  52 #include "support/debug.h"
  53 #include "support/docstream.h"
  54 #include "support/FileName.h"
  55 #include "support/filetools.h"
  56 #include "support/gettext.h"
  57 #include "support/Messages.h"
  58 #include "support/mutex.h"
  59 #include "support/Package.h"
  60 #include "support/Translator.h"
  61 #include "support/lstrings.h"
  62
  63 #include <algorithm>
  64 #include <sstream>
  65
  66 using namespace std;
  67 using namespace lyx::support;
  68
  69
  70 static char const * const string_paragraph_separation[] = {
  71         "indent", "skip", ""
  72 };
  73
  74
  75 static char const * const string_quotes_style[] = {
  76         "english", "swedish", "german", "polish", "swiss", "danish", "plain",
  77         "british", "swedishg", "french", "frenchin", "russian", "cjk", "cjkangle", ""
  78 };
  79
  80
  81 static char const * const string_papersize[] = {
  82         "default", "custom", "letterpaper", "legalpaper", "executivepaper",
  83         "a0paper", "a1paper", "a2paper", "a3paper", "a4paper", "a5paper",
  84         "a6paper", "b0paper", "b1paper", "b2paper", "b3paper", "b4paper",
  85         "b5paper", "b6paper", "c0paper", "c1paper", "c2paper", "c3paper",
  86         "c4paper", "c5paper", "c6paper", "b0j", "b1j", "b2j", "b3j", "b4j", "b5j",
  87         "b6j", ""
  88 };
  89
  90
  91 static char const * const string_orientation[] = {
  92         "portrait", "landscape", ""
  93 };
  94
  95
  96 static char const * const tex_graphics[] = {
  97         "default", "dvialw", "dvilaser", "dvipdf", "dvipdfm", "dvipdfmx",
  98         "dvips", "dvipsone", "dvitops", "dviwin", "dviwindo", "dvi2ps", "emtex",
  99         "ln", "oztex", "pctexhp", "pctexps", "pctexwin", "pctex32", "pdftex",
 100         "psprint", "pubps", "tcidvi", "textures", "truetex", "vtex", "xdvi",
 101         "xetex", "none", ""
 102 };
 103
 104
 105 namespace lyx {
 106
 107 // Local translators
 108 namespace {
 109
 110 // Paragraph separation
 111 typedef Translator<string, BufferParams::ParagraphSeparation> ParSepTranslator;
 112
 113
 114 ParSepTranslator const init_parseptranslator()
 115 {
 116         ParSepTranslator translator
 117                 (string_paragraph_separation[0], BufferParams::ParagraphIndentSeparation);
 118         translator.addPair(string_paragraph_separation[1], BufferParams::ParagraphSkipSeparation);
 119         return translator;
 120 }
 121
 122
 123 ParSepTranslator const & parseptranslator()
 124 {
 125         static ParSepTranslator const translator =
 126                 init_parseptranslator();
 127         return translator;
 128 }
 129
 130
 131 // Quotes style
 132 typedef Translator<string, InsetQuotesParams::QuoteStyle> QuotesStyleTranslator;
 133
 134
 135 QuotesStyleTranslator const init_quotesstyletranslator()
 136 {
 137         QuotesStyleTranslator translator
 138                 (string_quotes_style[0], InsetQuotesParams::EnglishQuotes);
 139         translator.addPair(string_quotes_style[1], InsetQuotesParams::SwedishQuotes);
 140         translator.addPair(string_quotes_style[2], InsetQuotesParams::GermanQuotes);
 141         translator.addPair(string_quotes_style[3], InsetQuotesParams::PolishQuotes);
 142         translator.addPair(string_quotes_style[4], InsetQuotesParams::SwissQuotes);
 143         translator.addPair(string_quotes_style[5], InsetQuotesParams::DanishQuotes);
 144         translator.addPair(string_quotes_style[6], InsetQuotesParams::PlainQuotes);
 145         translator.addPair(string_quotes_style[7], InsetQuotesParams::BritishQuotes);
 146         translator.addPair(string_quotes_style[8], InsetQuotesParams::SwedishGQuotes);
 147         translator.addPair(string_quotes_style[9], InsetQuotesParams::FrenchQuotes);
 148         translator.addPair(string_quotes_style[10], InsetQuotesParams::FrenchINQuotes);
 149         translator.addPair(string_quotes_style[11], InsetQuotesParams::RussianQuotes);
 150         translator.addPair(string_quotes_style[12], InsetQuotesParams::CJKQuotes);
 151         translator.addPair(string_quotes_style[13], InsetQuotesParams::CJKAngleQuotes);
 152         return translator;
 153 }
 154
 155
 156 QuotesStyleTranslator const & quotesstyletranslator()
 157 {
 158         static QuotesStyleTranslator const translator =
 159                 init_quotesstyletranslator();
 160         return translator;
 161 }
 162
 163
 164 // Paper size
 165 typedef Translator<string, PAPER_SIZE> PaperSizeTranslator;
 166
 167
 168 static PaperSizeTranslator initPaperSizeTranslator()
 169 {
 170         PaperSizeTranslator translator(string_papersize[0], PAPER_DEFAULT);
 171         translator.addPair(string_papersize[1], PAPER_CUSTOM);
 172         translator.addPair(string_papersize[2], PAPER_USLETTER);
 173         translator.addPair(string_papersize[3], PAPER_USLEGAL);
 174         translator.addPair(string_papersize[4], PAPER_USEXECUTIVE);
 175         translator.addPair(string_papersize[5], PAPER_A0);
 176         translator.addPair(string_papersize[6], PAPER_A1);
 177         translator.addPair(string_papersize[7], PAPER_A2);
 178         translator.addPair(string_papersize[8], PAPER_A3);
 179         translator.addPair(string_papersize[9], PAPER_A4);
 180         translator.addPair(string_papersize[10], PAPER_A5);
 181         translator.addPair(string_papersize[11], PAPER_A6);
 182         translator.addPair(string_papersize[12], PAPER_B0);
 183         translator.addPair(string_papersize[13], PAPER_B1);
 184         translator.addPair(string_papersize[14], PAPER_B2);
 185         translator.addPair(string_papersize[15], PAPER_B3);
 186         translator.addPair(string_papersize[16], PAPER_B4);
 187         translator.addPair(string_papersize[17], PAPER_B5);
 188         translator.addPair(string_papersize[18], PAPER_B6);
 189         translator.addPair(string_papersize[19], PAPER_C0);
 190         translator.addPair(string_papersize[20], PAPER_C1);
 191         translator.addPair(string_papersize[21], PAPER_C2);
 192         translator.addPair(string_papersize[22], PAPER_C3);
 193         translator.addPair(string_papersize[23], PAPER_C4);
 194         translator.addPair(string_papersize[24], PAPER_C5);
 195         translator.addPair(string_papersize[25], PAPER_C6);
 196         translator.addPair(string_papersize[26], PAPER_JISB0);
 197         translator.addPair(string_papersize[27], PAPER_JISB1);
 198         translator.addPair(string_papersize[28], PAPER_JISB2);
 199         translator.addPair(string_papersize[29], PAPER_JISB3);
 200         translator.addPair(string_papersize[30], PAPER_JISB4);
 201         translator.addPair(string_papersize[31], PAPER_JISB5);
 202         translator.addPair(string_papersize[32], PAPER_JISB6);
 203         return translator;
 204 }
 205
 206
 207 PaperSizeTranslator const & papersizetranslator()
 208 {
 209         static PaperSizeTranslator const translator =
 210                 initPaperSizeTranslator();
 211         return translator;
 212 }
 213
 214
 215 // Paper orientation
 216 typedef Translator<string, PAPER_ORIENTATION> PaperOrientationTranslator;
 217
 218
 219 PaperOrientationTranslator const init_paperorientationtranslator()
 220 {
 221         PaperOrientationTranslator translator(string_orientation[0], ORIENTATION_PORTRAIT);
 222         translator.addPair(string_orientation[1], ORIENTATION_LANDSCAPE);
 223         return translator;
 224 }
 225
 226
 227 PaperOrientationTranslator const & paperorientationtranslator()
 228 {
 229         static PaperOrientationTranslator const translator =
 230             init_paperorientationtranslator();
 231         return translator;
 232 }
 233
 234
 235 // Page sides
 236 typedef Translator<int, PageSides> SidesTranslator;
 237
 238
 239 SidesTranslator const init_sidestranslator()
 240 {
 241         SidesTranslator translator(1, OneSide);
 242         translator.addPair(2, TwoSides);
 243         return translator;
 244 }
 245
 246
 247 SidesTranslator const & sidestranslator()
 248 {
 249         static SidesTranslator const translator = init_sidestranslator();
 250         return translator;
 251 }
 252
 253
 254 // LaTeX packages
 255 typedef Translator<int, BufferParams::Package> PackageTranslator;
 256
 257
 258 PackageTranslator const init_packagetranslator()
 259 {
 260         PackageTranslator translator(0, BufferParams::package_off);
 261         translator.addPair(1, BufferParams::package_auto);
 262         translator.addPair(2, BufferParams::package_on);
 263         return translator;
 264 }
 265
 266
 267 PackageTranslator const & packagetranslator()
 268 {
 269         static PackageTranslator const translator =
 270                 init_packagetranslator();
 271         return translator;
 272 }
 273
 274
 275 // Spacing
 276 typedef Translator<string, Spacing::Space> SpaceTranslator;
 277
 278
 279 SpaceTranslator const init_spacetranslator()
 280 {
 281         SpaceTranslator translator("default", Spacing::Default);
 282         translator.addPair("single", Spacing::Single);
 283         translator.addPair("onehalf", Spacing::Onehalf);
 284         translator.addPair("double", Spacing::Double);
 285         translator.addPair("other", Spacing::Other);
 286         return translator;
 287 }
 288
 289
 290 SpaceTranslator const & spacetranslator()
 291 {
 292         static SpaceTranslator const translator = init_spacetranslator();
 293         return translator;
 294 }
 295
 296
 297 bool inSystemDir(FileName const & document_dir, string & system_dir)
 298 {
 299         // A document is assumed to be in a system LyX directory (not
 300         // necessarily the system directory of the running instance)
 301         // if both "configure.py" and "chkconfig.ltx" are found in
 302         // either document_dir/../ or document_dir/../../.
 303         // If true, the system directory path is returned in system_dir
 304         // with a trailing path separator.
 305
 306         string const msg = "Checking whether document is in a system dir...";
 307
 308         string dir = document_dir.absFileName();
 309
 310         for (int i = 0; i < 3; ++i) {
 311                 dir = addPath(dir, "..");
 312                 if (!fileSearch(dir, "configure.py").empty() &&
 313                     !fileSearch(dir, "chkconfig.ltx").empty()) {
 314                         LYXERR(Debug::FILES, msg << " yes");
 315                         system_dir = addPath(FileName(dir).realPath(), "");
 316                         return true;
 317                 }
 318         }
 319
 320         LYXERR(Debug::FILES, msg << " no");
 321         system_dir = string();
 322         return false;
 323 }
 324
 325 } // namespace
 326
 327
 328 class BufferParams::Impl
 329 {
 330 public:
 331         Impl();
 332
 333         AuthorList authorlist;
 334         BranchList branchlist;
 335         Bullet temp_bullets[4];
 336         Bullet user_defined_bullets[4];
 337         IndicesList indiceslist;
 338         Spacing spacing;
 339         Length parindent;
 340         Length mathindent;
 341         /** This is the amount of space used for paragraph_separation "skip",
 342          * and for detached paragraphs in "indented" documents.
 343          */
 344         VSpace defskip;
 345         PDFOptions pdfoptions;
 346         LayoutFileIndex baseClass_;
 347         FormatList exportableFormatList;
 348         FormatList viewableFormatList;
 349         bool isViewCacheValid;
 350         bool isExportCacheValid;
 351 };
 352
 353
 354 BufferParams::Impl::Impl()
 355         : defskip(VSpace::MEDSKIP), baseClass_(string("")),
 356           isViewCacheValid(false), isExportCacheValid(false)
 357 {
 358         // set initial author
 359         // FIXME UNICODE
 360         authorlist.record(Author(from_utf8(lyxrc.user_name), from_utf8(lyxrc.user_email)));
 361 }
 362
 363
 364 BufferParams::Impl *
 365 BufferParams::MemoryTraits::clone(BufferParams::Impl const * ptr)
 366 {
 367         LBUFERR(ptr);
 368         return new BufferParams::Impl(*ptr);
 369 }
 370
 371
 372 void BufferParams::MemoryTraits::destroy(BufferParams::Impl * ptr)
 373 {
 374         delete ptr;
 375 }
 376
 377
 378 BufferParams::BufferParams()
 379         : pimpl_(new Impl)
 380 {
 381         setBaseClass(defaultBaseclass());
 382         cite_engine_ = "basic";
 383         cite_engine_type_ = ENGINE_TYPE_DEFAULT;
 384         makeDocumentClass();
 385         paragraph_separation = ParagraphIndentSeparation;
 386         is_math_indent = false;
 387         math_numbering_side = DEFAULT;
 388         quotes_style = InsetQuotesParams::EnglishQuotes;
 389         dynamic_quotes = false;
 390         fontsize = "default";
 391
 392         /*  PaperLayout */
 393         papersize = PAPER_DEFAULT;
 394         orientation = ORIENTATION_PORTRAIT;
 395         use_geometry = false;
 396         biblio_style = string();
 397         use_bibtopic = false;
 398         multibib = string();
 399         use_indices = false;
 400         save_transient_properties = true;
 401         track_changes = false;
 402         output_changes = false;
 403         use_default_options = true;
 404         maintain_unincluded_children = false;
 405         secnumdepth = 3;
 406         tocdepth = 3;
 407         language = default_language;
 408         fontenc = "auto";
 409         fonts_roman[0] = "default";
 410         fonts_roman[1] = "default";
 411         fonts_sans[0] = "default";
 412         fonts_sans[1] = "default";
 413         fonts_typewriter[0] = "default";
 414         fonts_typewriter[1] = "default";
 415         fonts_math[0] = "auto";
 416         fonts_math[1] = "auto";
 417         fonts_default_family = "default";
 418         useNonTeXFonts = false;
 419         use_microtype = false;
 420         use_dash_ligatures = true;
 421         fonts_expert_sc = false;
 422         fonts_roman_osf = false;
 423         fonts_sans_osf = false;
 424         fonts_typewriter_osf = false;
 425         fonts_sans_scale[0] = 100;
 426         fonts_sans_scale[1] = 100;
 427         fonts_typewriter_scale[0] = 100;
 428         fonts_typewriter_scale[1] = 100;
 429         inputenc = "utf8";
 430         lang_package = "default";
 431         graphics_driver = "default";
 432         default_output_format = "default";
 433         bibtex_command = "default";
 434         index_command = "default";
 435         sides = OneSide;
 436         columns = 1;
 437         listings_params = string();
 438         pagestyle = "default";
 439         tablestyle = "default";
 440         suppress_date = false;
 441         justification = true;
 442         // no color is the default (white)
 443         backgroundcolor = lyx::rgbFromHexName("#ffffff");
 444         isbackgroundcolor = false;
 445         // no color is the default (black)
 446         fontcolor = lyx::rgbFromHexName("#000000");
 447         isfontcolor = false;
 448         // light gray is the default font color for greyed-out notes
 449         notefontcolor = lyx::rgbFromHexName("#cccccc");
 450         boxbgcolor = lyx::rgbFromHexName("#ff0000");
 451         compressed = lyxrc.save_compressed;
 452         for (int iter = 0; iter < 4; ++iter) {
 453                 user_defined_bullet(iter) = ITEMIZE_DEFAULTS[iter];
 454                 temp_bullet(iter) = ITEMIZE_DEFAULTS[iter];
 455         }
 456         // default index
 457         indiceslist().addDefault(B_("Index"));
 458         html_be_strict = false;
 459         html_math_output = MathML;
 460         html_math_img_scale = 1.0;
 461         html_css_as_file = false;
 462         display_pixel_ratio = 1.0;
 463
 464         shell_escape = false;
 465         output_sync = false;
 466         use_refstyle = true;
 467         use_minted = false;
 468         use_lineno = false;
 469
 470         // map current author
 471         author_map_[pimpl_->authorlist.get(0).bufferId()] = 0;
 472 }
 473
 474
 475 docstring BufferParams::B_(string const & l10n) const
 476 {
 477         LASSERT(language, return from_utf8(l10n));
 478         return getMessages(language->code()).get(l10n);
 479 }
 480
 481
 482 BufferParams::Package BufferParams::use_package(std::string const & p) const
 483 {
 484         PackageMap::const_iterator it = use_packages.find(p);
 485         if (it == use_packages.end())
 486                 return package_auto;
 487         return it->second;
 488 }
 489
 490
 491 void BufferParams::use_package(std::string const & p, BufferParams::Package u)
 492 {
 493         use_packages[p] = u;
 494 }
 495
 496
 497 map<string, string> const & BufferParams::auto_packages()
 498 {
 499         static map<string, string> packages;
 500         if (packages.empty()) {
 501                 // We could have a race condition here that two threads
 502                 // discover an empty map at the same time and want to fill
 503                 // it, but that is no problem, since the same contents is
 504                 // filled in twice then. Having the locker inside the
 505                 // packages.empty() condition has the advantage that we
 506                 // don't need the mutex overhead for simple reading.
 507                 static Mutex mutex;
 508                 Mutex::Locker locker(&mutex);
 509                 // adding a package here implies a file format change!
 510                 packages["amsmath"] =
 511                         N_("The LaTeX package amsmath is only used if AMS formula types or symbols from the AMS math toolbars are inserted into formulas");
 512                 packages["amssymb"] =
 513                         N_("The LaTeX package amssymb is only used if symbols from the AMS math toolbars are inserted into formulas");
 514                 packages["cancel"] =
 515                         N_("The LaTeX package cancel is only used if \\cancel commands are used in formulas");
 516                 packages["esint"] =
 517                         N_("The LaTeX package esint is only used if special integral symbols are inserted into formulas");
 518                 packages["mathdots"] =
 519                         N_("The LaTeX package mathdots is only used if the command \\iddots is inserted into formulas");
 520                 packages["mathtools"] =
 521                         N_("The LaTeX package mathtools is only used if some mathematical relations are inserted into formulas");
 522                 packages["mhchem"] =
 523                         N_("The LaTeX package mhchem is only used if either the command \\ce or \\cf is inserted into formulas");
 524                 packages["stackrel"] =
 525                         N_("The LaTeX package stackrel is only used if the command \\stackrel with subscript is inserted into formulas");
 526                 packages["stmaryrd"] =
 527                         N_("The LaTeX package stmaryrd is only used if symbols from the St Mary's Road symbol font for theoretical computer science are inserted into formulas");
 528                 packages["undertilde"] =
 529                         N_("The LaTeX package undertilde is only used if you use the math frame decoration 'utilde'");
 530         }
 531         return packages;
 532 }
 533
 534
 535 bool BufferParams::useBibtopic() const
 536 {
 537         if (useBiblatex())
 538                 return false;
 539         return (use_bibtopic || (!multibib.empty() && multibib != "child"));
 540 }
 541
 542
 543 AuthorList & BufferParams::authors()
 544 {
 545         return pimpl_->authorlist;
 546 }
 547
 548
 549 AuthorList const & BufferParams::authors() const
 550 {
 551         return pimpl_->authorlist;
 552 }
 553
 554
 555 void BufferParams::addAuthor(Author a)
 556 {
 557         author_map_[a.bufferId()] = pimpl_->authorlist.record(a);
 558 }
 559
 560
 561 BranchList & BufferParams::branchlist()
 562 {
 563         return pimpl_->branchlist;
 564 }
 565
 566
 567 BranchList const & BufferParams::branchlist() const
 568 {
 569         return pimpl_->branchlist;
 570 }
 571
 572
 573 IndicesList & BufferParams::indiceslist()
 574 {
 575         return pimpl_->indiceslist;
 576 }
 577
 578
 579 IndicesList const & BufferParams::indiceslist() const
 580 {
 581         return pimpl_->indiceslist;
 582 }
 583
 584
 585 Bullet & BufferParams::temp_bullet(lyx::size_type const index)
 586 {
 587         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
 588         return pimpl_->temp_bullets[index];
 589 }
 590
 591
 592 Bullet const & BufferParams::temp_bullet(lyx::size_type const index) const
 593 {
 594         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
 595         return pimpl_->temp_bullets[index];
 596 }
 597
 598
 599 Bullet & BufferParams::user_defined_bullet(lyx::size_type const index)
 600 {
 601         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
 602         return pimpl_->user_defined_bullets[index];
 603 }
 604
 605
 606 Bullet const & BufferParams::user_defined_bullet(lyx::size_type const index) const
 607 {
 608         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
 609         return pimpl_->user_defined_bullets[index];
 610 }
 611
 612
 613 Spacing & BufferParams::spacing()
 614 {
 615         return pimpl_->spacing;
 616 }
 617
 618
 619 Spacing const & BufferParams::spacing() const
 620 {
 621         return pimpl_->spacing;
 622 }
 623
 624
 625 PDFOptions & BufferParams::pdfoptions()
 626 {
 627         return pimpl_->pdfoptions;
 628 }
 629
 630
 631 PDFOptions const & BufferParams::pdfoptions() const
 632 {
 633         return pimpl_->pdfoptions;
 634 }
 635
 636
 637 Length const & BufferParams::getMathIndent() const
 638 {
 639         return pimpl_->mathindent;
 640 }
 641
 642
 643 void BufferParams::setMathIndent(Length const & indent)
 644 {
 645         pimpl_->mathindent = indent;
 646 }
 647
 648
 649 Length const & BufferParams::getParIndent() const
 650 {
 651         return pimpl_->parindent;
 652 }
 653
 654
 655 void BufferParams::setParIndent(Length const & indent)
 656 {
 657         pimpl_->parindent = indent;
 658 }
 659
 660
 661 VSpace const & BufferParams::getDefSkip() const
 662 {
 663         return pimpl_->defskip;
 664 }
 665
 666
 667 void BufferParams::setDefSkip(VSpace const & vs)
 668 {
 669         // DEFSKIP will cause an infinite loop
 670         LASSERT(vs.kind() != VSpace::DEFSKIP, return);
 671         pimpl_->defskip = vs;
 672 }
 673
 674
 675 BufferParams::MathNumber BufferParams::getMathNumber() const
 676 {
 677         if (math_numbering_side != DEFAULT)
 678                 return math_numbering_side;
 679         // FIXME: do not hardcode language here
 680         else if (language->lang() == "arabic_arabi"
 681                  || documentClass().provides("leqno"))
 682                 return LEFT;
 683         else
 684                 return RIGHT;
 685 }
 686
 687
 688 string BufferParams::readToken(Lexer & lex, string const & token,
 689         FileName const & filepath)
 690 {
 691         string result;
 692
 693         if (token == "\\textclass") {
 694                 lex.next();
 695                 string const classname = lex.getString();
 696                 // if there exists a local layout file, ignore the system one
 697                 // NOTE: in this case, the textclass (.cls file) is assumed to
 698                 // be available.
 699                 string tcp;
 700                 LayoutFileList & bcl = LayoutFileList::get();
 701                 if (!filepath.empty()) {
 702                         // If classname is an absolute path, the document is
 703                         // using a local layout file which could not be accessed
 704                         // by a relative path. In this case the path is correct
 705                         // even if the document was moved to a different
 706                         // location. However, we will have a problem if the
 707                         // document was generated on a different platform.
 708                         bool isabsolute = FileName::isAbsolute(classname);
 709                         string const classpath = onlyPath(classname);
 710                         string const path = isabsolute ? classpath
 711                                 : FileName(addPath(filepath.absFileName(),
 712                                                 classpath)).realPath();
 713                         string const oldpath = isabsolute ? string()
 714                                 : FileName(addPath(origin, classpath)).realPath();
 715                         tcp = bcl.addLocalLayout(onlyFileName(classname), path, oldpath);
 716                 }
 717                 // that returns non-empty if a "local" layout file is found.
 718                 if (!tcp.empty()) {
 719                         result = to_utf8(makeRelPath(from_utf8(onlyPath(tcp)),
 720                                                 from_utf8(filepath.absFileName())));
 721                         if (result.empty())
 722                                 result = ".";
 723                         setBaseClass(onlyFileName(tcp));
 724                 } else
 725                         setBaseClass(onlyFileName(classname));
 726                 // We assume that a tex class exists for local or unknown
 727                 // layouts so this warning, will only be given for system layouts.
 728                 if (!baseClass()->isTeXClassAvailable()) {
 729                         docstring const desc =
 730                                 translateIfPossible(from_utf8(baseClass()->description()));
 731                         docstring const prereqs =
 732                                 from_utf8(baseClass()->prerequisites());
 733                         docstring const msg =
 734                                 bformat(_("The selected document class\n"
 735                                                  "\t%1$s\n"
 736                                                  "requires external files that are not available.\n"
 737                                                  "The document class can still be used, but the\n"
 738                                                  "document cannot be compiled until the following\n"
 739                                                  "prerequisites are installed:\n"
 740                                                  "\t%2$s\n"
 741                                                  "See section 3.1.2.2 (Class Availability) of the\n"
 742                                                  "User's Guide for more information."), desc, prereqs);
 743                         frontend::Alert::warning(_("Document class not available"),
 744                                        msg, true);
 745                 }
 746         } else if (token == "\\save_transient_properties") {
 747                 lex >> save_transient_properties;
 748         } else if (token == "\\origin") {
 749                 lex.eatLine();
 750                 origin = lex.getString();
 751                 string const sysdirprefix = "/systemlyxdir/";
 752                 if (prefixIs(origin, sysdirprefix)) {
 753                         string docsys;
 754                         if (inSystemDir(filepath, docsys))
 755                                 origin.replace(0, sysdirprefix.length() - 1, docsys);
 756                         else
 757                                 origin.replace(0, sysdirprefix.length() - 1,
 758                                         package().system_support().absFileName());
 759                 }
 760         } else if (token == "\\begin_preamble") {
 761                 readPreamble(lex);
 762         } else if (token == "\\begin_local_layout") {
 763                 readLocalLayout(lex, false);
 764         } else if (token == "\\begin_forced_local_layout") {
 765                 readLocalLayout(lex, true);
 766         } else if (token == "\\begin_modules") {
 767                 readModules(lex);
 768         } else if (token == "\\begin_removed_modules") {
 769                 readRemovedModules(lex);
 770         } else if (token == "\\begin_includeonly") {
 771                 readIncludeonly(lex);
 772         } else if (token == "\\maintain_unincluded_children") {
 773                 lex >> maintain_unincluded_children;
 774         } else if (token == "\\options") {
 775                 lex.eatLine();
 776                 options = lex.getString();
 777         } else if (token == "\\use_default_options") {
 778                 lex >> use_default_options;
 779         } else if (token == "\\master") {
 780                 lex.eatLine();
 781                 master = lex.getString();
 782                 if (!filepath.empty() && FileName::isAbsolute(origin)) {
 783                         bool const isabs = FileName::isAbsolute(master);
 784                         FileName const abspath(isabs ? master : origin + master);
 785                         bool const moved = filepath != FileName(origin);
 786                         if (moved && abspath.exists()) {
 787                                 docstring const path = isabs
 788                                         ? from_utf8(master)
 789                                         : from_utf8(abspath.realPath());
 790                                 docstring const refpath =
 791                                         from_utf8(filepath.absFileName());
 792                                 master = to_utf8(makeRelPath(path, refpath));
 793                         }
 794                 }
 795         } else if (token == "\\suppress_date") {
 796                 lex >> suppress_date;
 797         } else if (token == "\\justification") {
 798                 lex >> justification;
 799         } else if (token == "\\language") {
 800                 readLanguage(lex);
 801         } else if (token == "\\language_package") {
 802                 lex.eatLine();
 803                 lang_package = lex.getString();
 804         } else if (token == "\\inputencoding") {
 805                 lex >> inputenc;
 806         } else if (token == "\\graphics") {
 807                 readGraphicsDriver(lex);
 808         } else if (token == "\\default_output_format") {
 809                 lex >> default_output_format;
 810         } else if (token == "\\bibtex_command") {
 811                 lex.eatLine();
 812                 bibtex_command = lex.getString();
 813         } else if (token == "\\index_command") {
 814                 lex.eatLine();
 815                 index_command = lex.getString();
 816         } else if (token == "\\fontencoding") {
 817                 lex.eatLine();
 818                 fontenc = lex.getString();
 819         } else if (token == "\\font_roman") {
 820                 lex >> fonts_roman[0];
 821                 lex >> fonts_roman[1];
 822         } else if (token == "\\font_sans") {
 823                 lex >> fonts_sans[0];
 824                 lex >> fonts_sans[1];
 825         } else if (token == "\\font_typewriter") {
 826                 lex >> fonts_typewriter[0];
 827                 lex >> fonts_typewriter[1];
 828         } else if (token == "\\font_math") {
 829                 lex >> fonts_math[0];
 830                 lex >> fonts_math[1];
 831         } else if (token == "\\font_default_family") {
 832                 lex >> fonts_default_family;
 833         } else if (token == "\\use_non_tex_fonts") {
 834                 lex >> useNonTeXFonts;
 835         } else if (token == "\\font_sc") {
 836                 lex >> fonts_expert_sc;
 837         } else if (token == "\\font_roman_osf") {
 838                 lex >> fonts_roman_osf;
 839         } else if (token == "\\font_sans_osf") {
 840                 lex >> fonts_sans_osf;
 841         } else if (token == "\\font_typewriter_osf") {
 842                 lex >> fonts_typewriter_osf;
 843         } else if (token == "\\font_roman_opts") {
 844                 lex >> font_roman_opts;
 845         } else if (token == "\\font_sf_scale") {
 846                 lex >> fonts_sans_scale[0];
 847                 lex >> fonts_sans_scale[1];
 848         } else if (token == "\\font_sans_opts") {
 849                 lex >> font_sans_opts;
 850         } else if (token == "\\font_tt_scale") {
 851                 lex >> fonts_typewriter_scale[0];
 852                 lex >> fonts_typewriter_scale[1];
 853         } else if (token == "\\font_typewriter_opts") {
 854                 lex >> font_typewriter_opts;
 855         } else if (token == "\\font_cjk") {
 856                 lex >> fonts_cjk;
 857         } else if (token == "\\use_microtype") {
 858                 lex >> use_microtype;
 859         } else if (token == "\\use_dash_ligatures") {
 860                 lex >> use_dash_ligatures;
 861         } else if (token == "\\paragraph_separation") {
 862                 string parsep;
 863                 lex >> parsep;
 864                 paragraph_separation = parseptranslator().find(parsep);
 865         } else if (token == "\\paragraph_indentation") {
 866                 lex.next();
 867                 string parindent = lex.getString();
 868                 if (parindent == "default")
 869                         pimpl_->parindent = Length();
 870                 else
 871                         pimpl_->parindent = Length(parindent);
 872         } else if (token == "\\defskip") {
 873                 lex.next();
 874                 string const defskip = lex.getString();
 875                 pimpl_->defskip = VSpace(defskip);
 876                 if (pimpl_->defskip.kind() == VSpace::DEFSKIP)
 877                         // that is invalid
 878                         pimpl_->defskip = VSpace(VSpace::MEDSKIP);
 879         } else if (token == "\\is_math_indent") {
 880                 lex >> is_math_indent;
 881         } else if (token == "\\math_indentation") {
 882                 lex.next();
 883                 string mathindent = lex.getString();
 884                 if (mathindent == "default")
 885                         pimpl_->mathindent = Length();
 886                 else
 887                         pimpl_->mathindent = Length(mathindent);
 888         } else if (token == "\\math_numbering_side") {
 889                 string tmp;
 890                 lex >> tmp;
 891                 if (tmp == "left")
 892                         math_numbering_side = LEFT;
 893                 else if (tmp == "right")
 894                         math_numbering_side = RIGHT;
 895                 else
 896                         math_numbering_side = DEFAULT;
 897         } else if (token == "\\quotes_style") {
 898                 string qstyle;
 899                 lex >> qstyle;
 900                 quotes_style = quotesstyletranslator().find(qstyle);
 901         } else if (token == "\\dynamic_quotes") {
 902                 lex >> dynamic_quotes;
 903         } else if (token == "\\papersize") {
 904                 string ppsize;
 905                 lex >> ppsize;
 906                 papersize = papersizetranslator().find(ppsize);
 907         } else if (token == "\\use_geometry") {
 908                 lex >> use_geometry;
 909         } else if (token == "\\use_package") {
 910                 string package;
 911                 int use;
 912                 lex >> package;
 913                 lex >> use;
 914                 use_package(package, packagetranslator().find(use));
 915         } else if (token == "\\cite_engine") {
 916                 lex.eatLine();
 917                 cite_engine_ = lex.getString();
 918         } else if (token == "\\cite_engine_type") {
 919                 string engine_type;
 920                 lex >> engine_type;
 921                 cite_engine_type_ = theCiteEnginesList.getType(engine_type);
 922         } else if (token == "\\biblio_style") {
 923                 lex.eatLine();
 924                 biblio_style = lex.getString();
 925         } else if (token == "\\biblio_options") {
 926                 lex.eatLine();
 927                 biblio_opts = trim(lex.getString());
 928         } else if (token == "\\biblatex_bibstyle") {
 929                 lex.eatLine();
 930                 biblatex_bibstyle = trim(lex.getString());
 931         } else if (token == "\\biblatex_citestyle") {
 932                 lex.eatLine();
 933                 biblatex_citestyle = trim(lex.getString());
 934         } else if (token == "\\use_bibtopic") {
 935                 lex >> use_bibtopic;
 936         } else if (token == "\\multibib") {
 937                 lex >> multibib;
 938         } else if (token == "\\use_indices") {
 939                 lex >> use_indices;
 940         } else if (token == "\\tracking_changes") {
 941                 lex >> track_changes;
 942         } else if (token == "\\output_changes") {
 943                 lex >> output_changes;
 944         } else if (token == "\\branch") {
 945                 lex.eatLine();
 946                 docstring branch = lex.getDocString();
 947                 branchlist().add(branch);
 948                 while (true) {
 949                         lex.next();
 950                         string const tok = lex.getString();
 951                         if (tok == "\\end_branch")
 952                                 break;
 953                         Branch * branch_ptr = branchlist().find(branch);
 954                         if (tok == "\\selected") {
 955                                 lex.next();
 956                                 if (branch_ptr)
 957                                         branch_ptr->setSelected(lex.getInteger());
 958                         }
 959                         if (tok == "\\filename_suffix") {
 960                                 lex.next();
 961                                 if (branch_ptr)
 962                                         branch_ptr->setFileNameSuffix(lex.getInteger());
 963                         }
 964                         if (tok == "\\color") {
 965                                 lex.eatLine();
 966                                 string color = lex.getString();
 967                                 if (branch_ptr)
 968                                         branch_ptr->setColor(color);
 969                                 // Update also the Color table:
 970                                 if (color == "none")
 971                                         color = lcolor.getX11Name(Color_background);
 972                                 // FIXME UNICODE
 973                                 lcolor.setColor(to_utf8(branch), color);
 974                         }
 975                 }
 976         } else if (token == "\\index") {
 977                 lex.eatLine();
 978                 docstring index = lex.getDocString();
 979                 docstring shortcut;
 980                 indiceslist().add(index);
 981                 while (true) {
 982                         lex.next();
 983                         string const tok = lex.getString();
 984                         if (tok == "\\end_index")
 985                                 break;
 986                         Index * index_ptr = indiceslist().find(index);
 987                         if (tok == "\\shortcut") {
 988                                 lex.next();
 989                                 shortcut = lex.getDocString();
 990                                 if (index_ptr)
 991                                         index_ptr->setShortcut(shortcut);
 992                         }
 993                         if (tok == "\\color") {
 994                                 lex.eatLine();
 995                                 string color = lex.getString();
 996                                 if (index_ptr)
 997                                         index_ptr->setColor(color);
 998                                 // Update also the Color table:
 999                                 if (color == "none")
1000                                         color = lcolor.getX11Name(Color_background);
1001                                 // FIXME UNICODE
1002                                 if (!shortcut.empty())
1003                                         lcolor.setColor(to_utf8(shortcut), color);
1004                         }
1005                 }
1006         } else if (token == "\\author") {
1007                 lex.eatLine();
1008                 istringstream ss(lex.getString());
1009                 Author a;
1010                 ss >> a;
1011                 addAuthor(a);
1012         } else if (token == "\\paperorientation") {
1013                 string orient;
1014                 lex >> orient;
1015                 orientation = paperorientationtranslator().find(orient);
1016         } else if (token == "\\backgroundcolor") {
1017                 lex.eatLine();
1018                 backgroundcolor = lyx::rgbFromHexName(lex.getString());
1019                 isbackgroundcolor = true;
1020         } else if (token == "\\fontcolor") {
1021                 lex.eatLine();
1022                 fontcolor = lyx::rgbFromHexName(lex.getString());
1023                 isfontcolor = true;
1024         } else if (token == "\\notefontcolor") {
1025                 lex.eatLine();
1026                 string color = lex.getString();
1027                 notefontcolor = lyx::rgbFromHexName(color);
1028                 lcolor.setColor("notefontcolor", color);
1029         } else if (token == "\\boxbgcolor") {
1030                 lex.eatLine();
1031                 string color = lex.getString();
1032                 boxbgcolor = lyx::rgbFromHexName(color);
1033                 lcolor.setColor("boxbgcolor", color);
1034         } else if (token == "\\paperwidth") {
1035                 lex >> paperwidth;
1036         } else if (token == "\\paperheight") {
1037                 lex >> paperheight;
1038         } else if (token == "\\leftmargin") {
1039                 lex >> leftmargin;
1040         } else if (token == "\\topmargin") {
1041                 lex >> topmargin;
1042         } else if (token == "\\rightmargin") {
1043                 lex >> rightmargin;
1044         } else if (token == "\\bottommargin") {
1045                 lex >> bottommargin;
1046         } else if (token == "\\headheight") {
1047                 lex >> headheight;
1048         } else if (token == "\\headsep") {
1049                 lex >> headsep;
1050         } else if (token == "\\footskip") {
1051                 lex >> footskip;
1052         } else if (token == "\\columnsep") {
1053                 lex >> columnsep;
1054         } else if (token == "\\paperfontsize") {
1055                 lex >> fontsize;
1056         } else if (token == "\\papercolumns") {
1057                 lex >> columns;
1058         } else if (token == "\\listings_params") {
1059                 string par;
1060                 lex >> par;
1061                 listings_params = InsetListingsParams(par).params();
1062         } else if (token == "\\papersides") {
1063                 int psides;
1064                 lex >> psides;
1065                 sides = sidestranslator().find(psides);
1066         } else if (token == "\\paperpagestyle") {
1067                 lex >> pagestyle;
1068         } else if (token == "\\tablestyle") {
1069                 lex >> tablestyle;
1070         } else if (token == "\\bullet") {
1071                 readBullets(lex);
1072         } else if (token == "\\bulletLaTeX") {
1073                 readBulletsLaTeX(lex);
1074         } else if (token == "\\secnumdepth") {
1075                 lex >> secnumdepth;
1076         } else if (token == "\\tocdepth") {
1077                 lex >> tocdepth;
1078         } else if (token == "\\spacing") {
1079                 string nspacing;
1080                 lex >> nspacing;
1081                 string tmp_val;
1082                 if (nspacing == "other") {
1083                         lex >> tmp_val;
1084                 }
1085                 spacing().set(spacetranslator().find(nspacing), tmp_val);
1086         } else if (token == "\\float_placement") {
1087                 lex >> float_placement;
1088         } else if (token == "\\float_alignment") {
1089                 lex >> float_alignment;
1090
1091         } else if (prefixIs(token, "\\pdf_") || token == "\\use_hyperref") {
1092                 string toktmp = pdfoptions().readToken(lex, token);
1093                 if (!toktmp.empty()) {
1094                         lyxerr << "PDFOptions::readToken(): Unknown token: " <<
1095                                 toktmp << endl;
1096                         return toktmp;
1097                 }
1098         } else if (token == "\\html_math_output") {
1099                 int temp;
1100                 lex >> temp;
1101                 html_math_output = static_cast<MathOutput>(temp);
1102         } else if (token == "\\html_be_strict") {
1103                 lex >> html_be_strict;
1104         } else if (token == "\\html_css_as_file") {
1105                 lex >> html_css_as_file;
1106         } else if (token == "\\html_math_img_scale") {
1107                 lex >> html_math_img_scale;
1108         } else if (token == "\\html_latex_start") {
1109                 lex.eatLine();
1110                 html_latex_start = lex.getString();
1111         } else if (token == "\\html_latex_end") {
1112                 lex.eatLine();
1113                 html_latex_end = lex.getString();
1114         } else if (token == "\\output_sync") {
1115                 lex >> output_sync;
1116         } else if (token == "\\output_sync_macro") {
1117                 lex >> output_sync_macro;
1118         } else if (token == "\\use_refstyle") {
1119                 lex >> use_refstyle;
1120         } else if (token == "\\use_minted") {
1121                 lex >> use_minted;
1122         } else if (token == "\\use_lineno") {
1123                 lex >> use_lineno;
1124         } else if (token == "\\lineno_options") {
1125                 lex.eatLine();
1126                 lineno_opts = trim(lex.getString());
1127         } else {
1128                 lyxerr << "BufferParams::readToken(): Unknown token: " <<
1129                         token << endl;
1130                 return token;
1131         }
1132
1133         return result;
1134 }
1135
1136
1137 namespace {
1138         // Quote argument if it contains spaces
1139         string quoteIfNeeded(string const & str) {
1140                 if (contains(str, ' '))
1141                         return "\"" + str + "\"";
1142                 return str;
1143         }
1144 } // namespace
1145
1146
1147 void BufferParams::writeFile(ostream & os, Buffer const * buf) const
1148 {
1149         // The top of the file is written by the buffer.
1150         // Prints out the buffer info into the .lyx file given by file
1151
1152         os << "\\save_transient_properties "
1153            << convert<string>(save_transient_properties) << '\n';
1154
1155         // the document directory (must end with a path separator)
1156         // realPath() is used to resolve symlinks, while addPath(..., "")
1157         // ensures a trailing path separator.
1158         string docsys;
1159         string filepath = addPath(buf->fileName().onlyPath().realPath(), "");
1160         string const sysdir = inSystemDir(FileName(filepath), docsys) ? docsys
1161                         : addPath(package().system_support().realPath(), "");
1162         string const relpath =
1163                 to_utf8(makeRelPath(from_utf8(filepath), from_utf8(sysdir)));
1164         if (!prefixIs(relpath, "../") && !FileName::isAbsolute(relpath))
1165                 filepath = addPath("/systemlyxdir", relpath);
1166         else if (!save_transient_properties || !lyxrc.save_origin)
1167                 filepath = "unavailable";
1168         os << "\\origin " << quoteIfNeeded(filepath) << '\n';
1169
1170         // the textclass
1171         os << "\\textclass "
1172            << quoteIfNeeded(buf->includedFilePath(addName(buf->layoutPos(),
1173                                                 baseClass()->name()), "layout"))
1174            << '\n';
1175
1176         // then the preamble
1177         if (!preamble.empty()) {
1178                 // remove '\n' from the end of preamble
1179                 docstring const tmppreamble = rtrim(preamble, "\n");
1180                 os << "\\begin_preamble\n"
1181                    << to_utf8(tmppreamble)
1182                    << "\n\\end_preamble\n";
1183         }
1184
1185         // the options
1186         if (!options.empty()) {
1187                 os << "\\options " << options << '\n';
1188         }
1189
1190         // use the class options defined in the layout?
1191         os << "\\use_default_options "
1192            << convert<string>(use_default_options) << "\n";
1193
1194         // the master document
1195         if (!master.empty()) {
1196                 os << "\\master " << master << '\n';
1197         }
1198
1199         // removed modules
1200         if (!removed_modules_.empty()) {
1201                 os << "\\begin_removed_modules" << '\n';
1202                 list<string>::const_iterator it = removed_modules_.begin();
1203                 list<string>::const_iterator en = removed_modules_.end();
1204                 for (; it != en; ++it)
1205                         os << *it << '\n';
1206                 os << "\\end_removed_modules" << '\n';
1207         }
1208
1209         // the modules
1210         if (!layout_modules_.empty()) {
1211                 os << "\\begin_modules" << '\n';
1212                 LayoutModuleList::const_iterator it = layout_modules_.begin();
1213                 LayoutModuleList::const_iterator en = layout_modules_.end();
1214                 for (; it != en; ++it)
1215                         os << *it << '\n';
1216                 os << "\\end_modules" << '\n';
1217         }
1218
1219         // includeonly
1220         if (!included_children_.empty()) {
1221                 os << "\\begin_includeonly" << '\n';
1222                 list<string>::const_iterator it = included_children_.begin();
1223                 list<string>::const_iterator en = included_children_.end();
1224                 for (; it != en; ++it)
1225                         os << *it << '\n';
1226                 os << "\\end_includeonly" << '\n';
1227         }
1228         os << "\\maintain_unincluded_children "
1229            << convert<string>(maintain_unincluded_children) << '\n';
1230
1231         // local layout information
1232         docstring const local_layout = getLocalLayout(false);
1233         if (!local_layout.empty()) {
1234                 // remove '\n' from the end
1235                 docstring const tmplocal = rtrim(local_layout, "\n");
1236                 os << "\\begin_local_layout\n"
1237                    << to_utf8(tmplocal)
1238                    << "\n\\end_local_layout\n";
1239         }
1240         docstring const forced_local_layout = getLocalLayout(true);
1241         if (!forced_local_layout.empty()) {
1242                 // remove '\n' from the end
1243                 docstring const tmplocal = rtrim(forced_local_layout, "\n");
1244                 os << "\\begin_forced_local_layout\n"
1245                    << to_utf8(tmplocal)
1246                    << "\n\\end_forced_local_layout\n";
1247         }
1248
1249         // then the text parameters
1250         if (language != ignore_language)
1251                 os << "\\language " << language->lang() << '\n';
1252         os << "\\language_package " << lang_package
1253            << "\n\\inputencoding " << inputenc
1254            << "\n\\fontencoding " << fontenc
1255            << "\n\\font_roman \"" << fonts_roman[0]
1256            << "\" \"" << fonts_roman[1] << '"'
1257            << "\n\\font_sans \"" << fonts_sans[0]
1258            << "\" \"" << fonts_sans[1] << '"'
1259            << "\n\\font_typewriter \"" << fonts_typewriter[0]
1260            << "\" \"" << fonts_typewriter[1] << '"'
1261            << "\n\\font_math \"" << fonts_math[0]
1262            << "\" \"" << fonts_math[1] << '"'
1263            << "\n\\font_default_family " << fonts_default_family
1264            << "\n\\use_non_tex_fonts " << convert<string>(useNonTeXFonts)
1265            << "\n\\font_sc " << convert<string>(fonts_expert_sc)
1266            << "\n\\font_roman_osf " << convert<string>(fonts_roman_osf)
1267            << "\n\\font_sans_osf " << convert<string>(fonts_sans_osf)
1268            << "\n\\font_typewriter_osf " << convert<string>(fonts_typewriter_osf);
1269         if (!font_roman_opts.empty())
1270                 os << "\n\\font_roman_opts \"" << font_roman_opts << "\"";
1271         os << "\n\\font_sf_scale " << fonts_sans_scale[0]
1272            << ' ' << fonts_sans_scale[1];
1273         if (!font_sans_opts.empty())
1274                 os << "\n\\font_sans_opts \"" << font_sans_opts << "\"";
1275         os << "\n\\font_tt_scale " << fonts_typewriter_scale[0]
1276            << ' ' << fonts_typewriter_scale[1];
1277         if (!font_typewriter_opts.empty())
1278                 os << "\n\\font_typewriter_opts \"" << font_typewriter_opts << "\"";
1279         os << '\n';
1280         if (!fonts_cjk.empty())
1281                 os << "\\font_cjk " << fonts_cjk << '\n';
1282         os << "\\use_microtype " << convert<string>(use_microtype) << '\n';
1283         os << "\\use_dash_ligatures " << convert<string>(use_dash_ligatures) << '\n';
1284         os << "\\graphics " << graphics_driver << '\n';
1285         os << "\\default_output_format " << default_output_format << '\n';
1286         os << "\\output_sync " << output_sync << '\n';
1287         if (!output_sync_macro.empty())
1288                 os << "\\output_sync_macro \"" << output_sync_macro << "\"\n";
1289         os << "\\bibtex_command " << bibtex_command << '\n';
1290         os << "\\index_command " << index_command << '\n';
1291
1292         if (!float_placement.empty())
1293                 os << "\\float_placement " << float_placement << '\n';
1294         if (!float_alignment.empty())
1295                 os << "\\float_alignment " << float_alignment << '\n';
1296         os << "\\paperfontsize " << fontsize << '\n';
1297
1298         spacing().writeFile(os);
1299         pdfoptions().writeFile(os);
1300
1301         os << "\\papersize " << string_papersize[papersize]
1302            << "\n\\use_geometry " << convert<string>(use_geometry);
1303         map<string, string> const & packages = auto_packages();
1304         for (map<string, string>::const_iterator it = packages.begin();
1305              it != packages.end(); ++it)
1306                 os << "\n\\use_package " << it->first << ' '
1307                    << use_package(it->first);
1308
1309         os << "\n\\cite_engine ";
1310
1311         if (!cite_engine_.empty())
1312                 os << cite_engine_;
1313         else
1314                 os << "basic";
1315
1316         os << "\n\\cite_engine_type " << theCiteEnginesList.getTypeAsString(cite_engine_type_);
1317
1318         if (!biblio_style.empty())
1319                 os << "\n\\biblio_style " << biblio_style;
1320         if (!biblio_opts.empty())
1321                 os << "\n\\biblio_options " << biblio_opts;
1322         if (!biblatex_bibstyle.empty())
1323                 os << "\n\\biblatex_bibstyle " << biblatex_bibstyle;
1324         if (!biblatex_citestyle.empty())
1325                 os << "\n\\biblatex_citestyle " << biblatex_citestyle;
1326         if (!multibib.empty())
1327                 os << "\n\\multibib " << multibib;
1328
1329         os << "\n\\use_bibtopic " << convert<string>(use_bibtopic)
1330            << "\n\\use_indices " << convert<string>(use_indices)
1331            << "\n\\paperorientation " << string_orientation[orientation]
1332            << "\n\\suppress_date " << convert<string>(suppress_date)
1333            << "\n\\justification " << convert<string>(justification)
1334            << "\n\\use_refstyle " << use_refstyle
1335            << "\n\\use_minted " << use_minted
1336            << "\n\\use_lineno " << use_lineno
1337            << '\n';
1338
1339         if (!lineno_opts.empty())
1340                 os << "\\lineno_options " << lineno_opts << '\n';
1341
1342         if (isbackgroundcolor == true)
1343                 os << "\\backgroundcolor " << lyx::X11hexname(backgroundcolor) << '\n';
1344         if (isfontcolor == true)
1345                 os << "\\fontcolor " << lyx::X11hexname(fontcolor) << '\n';
1346         if (notefontcolor != lyx::rgbFromHexName("#cccccc"))
1347                 os << "\\notefontcolor " << lyx::X11hexname(notefontcolor) << '\n';
1348         if (boxbgcolor != lyx::rgbFromHexName("#ff0000"))
1349                 os << "\\boxbgcolor " << lyx::X11hexname(boxbgcolor) << '\n';
1350
1351         BranchList::const_iterator it = branchlist().begin();
1352         BranchList::const_iterator end = branchlist().end();
1353         for (; it != end; ++it) {
1354                 os << "\\branch " << to_utf8(it->branch())
1355                    << "\n\\selected " << it->isSelected()
1356                    << "\n\\filename_suffix " << it->hasFileNameSuffix()
1357                    << "\n\\color " << lyx::X11hexname(it->color())
1358                    << "\n\\end_branch"
1359                    << "\n";
1360         }
1361
1362         IndicesList::const_iterator iit = indiceslist().begin();
1363         IndicesList::const_iterator iend = indiceslist().end();
1364         for (; iit != iend; ++iit) {
1365                 os << "\\index " << to_utf8(iit->index())
1366                    << "\n\\shortcut " << to_utf8(iit->shortcut())
1367                    << "\n\\color " << lyx::X11hexname(iit->color())
1368                    << "\n\\end_index"
1369                    << "\n";
1370         }
1371
1372         if (!paperwidth.empty())
1373                 os << "\\paperwidth "
1374                    << VSpace(paperwidth).asLyXCommand() << '\n';
1375         if (!paperheight.empty())
1376                 os << "\\paperheight "
1377                    << VSpace(paperheight).asLyXCommand() << '\n';
1378         if (!leftmargin.empty())
1379                 os << "\\leftmargin "
1380                    << VSpace(leftmargin).asLyXCommand() << '\n';
1381         if (!topmargin.empty())
1382                 os << "\\topmargin "
1383                    << VSpace(topmargin).asLyXCommand() << '\n';
1384         if (!rightmargin.empty())
1385                 os << "\\rightmargin "
1386                    << VSpace(rightmargin).asLyXCommand() << '\n';
1387         if (!bottommargin.empty())
1388                 os << "\\bottommargin "
1389                    << VSpace(bottommargin).asLyXCommand() << '\n';
1390         if (!headheight.empty())
1391                 os << "\\headheight "
1392                    << VSpace(headheight).asLyXCommand() << '\n';
1393         if (!headsep.empty())
1394                 os << "\\headsep "
1395                    << VSpace(headsep).asLyXCommand() << '\n';
1396         if (!footskip.empty())
1397                 os << "\\footskip "
1398                    << VSpace(footskip).asLyXCommand() << '\n';
1399         if (!columnsep.empty())
1400                 os << "\\columnsep "
1401                          << VSpace(columnsep).asLyXCommand() << '\n';
1402         os << "\\secnumdepth " << secnumdepth
1403            << "\n\\tocdepth " << tocdepth
1404            << "\n\\paragraph_separation "
1405            << string_paragraph_separation[paragraph_separation];
1406         if (!paragraph_separation)
1407                 os << "\n\\paragraph_indentation "
1408                    << (getParIndent().empty() ? "default" : getParIndent().asString());
1409         else
1410                 os << "\n\\defskip " << getDefSkip().asLyXCommand();
1411         os << "\n\\is_math_indent " << is_math_indent;
1412         if (is_math_indent)
1413                 os << "\n\\math_indentation "
1414                    << (getMathIndent().empty() ? "default" : getMathIndent().asString());
1415         os << "\n\\math_numbering_side ";
1416         switch(math_numbering_side) {
1417         case LEFT:
1418                 os << "left";
1419                 break;
1420         case RIGHT:
1421                 os << "right";
1422                 break;
1423         case DEFAULT:
1424                 os << "default";
1425         }
1426         os << "\n\\quotes_style "
1427            << string_quotes_style[quotes_style]
1428            << "\n\\dynamic_quotes " << dynamic_quotes
1429            << "\n\\papercolumns " << columns
1430            << "\n\\papersides " << sides
1431            << "\n\\paperpagestyle " << pagestyle
1432            << "\n\\tablestyle " << tablestyle << '\n';
1433         if (!listings_params.empty())
1434                 os << "\\listings_params \"" <<
1435                         InsetListingsParams(listings_params).encodedString() << "\"\n";
1436         for (int i = 0; i < 4; ++i) {
1437                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1438                         if (user_defined_bullet(i).getFont() != -1) {
1439                                 os << "\\bullet " << i << " "
1440                                    << user_defined_bullet(i).getFont() << " "
1441                                    << user_defined_bullet(i).getCharacter() << " "
1442                                    << user_defined_bullet(i).getSize() << "\n";
1443                         }
1444                         else {
1445                                 // FIXME UNICODE
1446                                 os << "\\bulletLaTeX " << i << " \""
1447                                    << lyx::to_ascii(user_defined_bullet(i).getText())
1448                                    << "\"\n";
1449                         }
1450                 }
1451         }
1452
1453         os << "\\tracking_changes "
1454            << (save_transient_properties ? convert<string>(track_changes) : "false")
1455            << '\n';
1456
1457         os << "\\output_changes "
1458            << (save_transient_properties ? convert<string>(output_changes) : "false")
1459            << '\n';
1460
1461         os << "\\html_math_output " << html_math_output << '\n'
1462            << "\\html_css_as_file " << html_css_as_file << '\n'
1463            << "\\html_be_strict " << convert<string>(html_be_strict) << '\n';
1464
1465         if (html_math_img_scale != 1.0)
1466                 os << "\\html_math_img_scale " << convert<string>(html_math_img_scale) << '\n';
1467         if (!html_latex_start.empty())
1468                 os << "\\html_latex_start " << html_latex_start << '\n';
1469         if (!html_latex_end.empty())
1470                  os << "\\html_latex_end " << html_latex_end << '\n';
1471
1472         os << pimpl_->authorlist;
1473 }
1474
1475
1476 void BufferParams::validate(LaTeXFeatures & features) const
1477 {
1478         features.require(documentClass().requires());
1479
1480         if (columns > 1 && language->rightToLeft())
1481                 features.require("rtloutputdblcol");
1482
1483         if (output_changes) {
1484                 bool dvipost    = LaTeXFeatures::isAvailable("dvipost");
1485                 bool xcolorulem = LaTeXFeatures::isAvailable("ulem") &&
1486                                   LaTeXFeatures::isAvailable("xcolor");
1487
1488                 switch (features.runparams().flavor) {
1489                 case OutputParams::LATEX:
1490                 case OutputParams::DVILUATEX:
1491                         if (dvipost) {
1492                                 features.require("ct-dvipost");
1493                                 features.require("dvipost");
1494                         } else if (xcolorulem) {
1495                                 features.require("ct-xcolor-ulem");
1496                                 features.require("ulem");
1497                                 features.require("xcolor");
1498                         } else {
1499                                 features.require("ct-none");
1500                         }
1501                         break;
1502                 case OutputParams::LUATEX:
1503                 case OutputParams::PDFLATEX:
1504                 case OutputParams::XETEX:
1505                         if (xcolorulem) {
1506                                 features.require("ct-xcolor-ulem");
1507                                 features.require("ulem");
1508                                 features.require("xcolor");
1509                                 // improves color handling in PDF output
1510                                 features.require("pdfcolmk");
1511                         } else {
1512                                 features.require("ct-none");
1513                         }
1514                         break;
1515                 default:
1516                         break;
1517                 }
1518         }
1519
1520         // Floats with 'Here definitely' as default setting.
1521         if (float_placement.find('H') != string::npos)
1522                 features.require("float");
1523
1524         for (PackageMap::const_iterator it = use_packages.begin();
1525              it != use_packages.end(); ++it) {
1526                 if (it->first == "amsmath") {
1527                         // AMS Style is at document level
1528                         if (it->second == package_on ||
1529                             features.isProvided("amsmath"))
1530                                 features.require(it->first);
1531                 } else if (it->second == package_on)
1532                         features.require(it->first);
1533         }
1534
1535         // Document-level line spacing
1536         if (spacing().getSpace() != Spacing::Single && !spacing().isDefault())
1537                 features.require("setspace");
1538
1539         // the bullet shapes are buffer level not paragraph level
1540         // so they are tested here
1541         for (int i = 0; i < 4; ++i) {
1542                 if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i])
1543                         continue;
1544                 int const font = user_defined_bullet(i).getFont();
1545                 if (font == 0) {
1546                         int const c = user_defined_bullet(i).getCharacter();
1547                         if (c == 16
1548                             || c == 17
1549                             || c == 25
1550                             || c == 26
1551                             || c == 31) {
1552                                 features.require("latexsym");
1553                         }
1554                 } else if (font == 1) {
1555                         features.require("amssymb");
1556                 } else if (font >= 2 && font <= 5) {
1557                         features.require("pifont");
1558                 }
1559         }
1560
1561         if (pdfoptions().use_hyperref) {
1562                 features.require("hyperref");
1563                 // due to interferences with babel and hyperref, the color package has to
1564                 // be loaded after hyperref when hyperref is used with the colorlinks
1565                 // option, see http://www.lyx.org/trac/ticket/5291
1566                 if (pdfoptions().colorlinks)
1567                         features.require("color");
1568         }
1569         if (!listings_params.empty()) {
1570                 // do not test validity because listings_params is
1571                 // supposed to be valid
1572                 string par =
1573                         InsetListingsParams(listings_params).separatedParams(true);
1574                 // we can't support all packages, but we should load the color package
1575                 if (par.find("\\color", 0) != string::npos)
1576                         features.require("color");
1577         }
1578
1579         // some languages are only available via polyglossia
1580         if (features.hasPolyglossiaExclusiveLanguages())
1581                 features.require("polyglossia");
1582
1583         if (useNonTeXFonts && fontsMath() != "auto")
1584                 features.require("unicode-math");
1585
1586         if (use_microtype)
1587                 features.require("microtype");
1588
1589         if (!language->requires().empty())
1590                 features.require(language->requires());
1591 }
1592
1593
1594 bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
1595                               FileName const & filepath) const
1596 {
1597         // http://www.tug.org/texmf-dist/doc/latex/base/fixltx2e.pdf
1598         // !! To use the Fix-cm package, load it before \documentclass, and use the command
1599         // \RequirePackage to do so, rather than the normal \usepackage
1600         // Do not try to load any other package before the document class, unless you
1601         // have a thorough understanding of the LATEX internals and know exactly what you
1602         // are doing!
1603         if (features.mustProvide("fix-cm"))
1604                 os << "\\RequirePackage{fix-cm}\n";
1605         // Likewise for fixltx2e. If other packages conflict with this policy,
1606         // treat it as a package bug (and report it!)
1607         // See http://www.latex-project.org/cgi-bin/ltxbugs2html?pr=latex/4407
1608         if (features.mustProvide("fixltx2e"))
1609                 os << "\\RequirePackage{fixltx2e}\n";
1610
1611         os << "\\documentclass";
1612
1613         DocumentClass const & tclass = documentClass();
1614
1615         ostringstream clsoptions; // the document class options.
1616
1617         if (tokenPos(tclass.opt_fontsize(),
1618                      '|', fontsize) >= 0) {
1619                 // only write if existing in list (and not default)
1620                 clsoptions << subst(tclass.fontsizeformat(), "$$s", fontsize) << ",";
1621         }
1622
1623         // paper sizes not supported by the class itself need the
1624         // geometry package
1625         vector<string> classpsizes = getVectorFromString(tclass.opt_pagesize(), "|");
1626         bool class_supported_papersize = papersize == PAPER_DEFAULT
1627                 || find(classpsizes.begin(), classpsizes.end(), string_papersize[papersize]) != classpsizes.end();
1628
1629         if ((!use_geometry || features.isProvided("geometry-light"))
1630             && class_supported_papersize)
1631                 clsoptions << string_papersize[papersize] << ",";
1632
1633         // if needed
1634         if (sides != tclass.sides()) {
1635                 switch (sides) {
1636                 case OneSide:
1637                         clsoptions << "oneside,";
1638                         break;
1639                 case TwoSides:
1640                         clsoptions << "twoside,";
1641                         break;
1642                 }
1643         }
1644
1645         // if needed
1646         if (columns != tclass.columns()) {
1647                 if (columns == 2)
1648                         clsoptions << "twocolumn,";
1649                 else
1650                         clsoptions << "onecolumn,";
1651         }
1652
1653         if (!use_geometry
1654             && orientation == ORIENTATION_LANDSCAPE)
1655                 clsoptions << "landscape,";
1656
1657         if (is_math_indent)
1658                 clsoptions << "fleqn,";
1659
1660         switch(math_numbering_side) {
1661         case LEFT:
1662                 clsoptions << "leqno,";
1663                 break;
1664         case RIGHT:
1665                 clsoptions << "reqno,";
1666                 features.require("amsmath");
1667                 break;
1668         case DEFAULT:
1669                 break;
1670         }
1671
1672         // language should be a parameter to \documentclass
1673         if (language->babel() == "hebrew"
1674             && default_language->babel() != "hebrew")
1675                 // This seems necessary
1676                 features.useLanguage(default_language);
1677
1678         ostringstream language_options;
1679         bool const use_babel = features.useBabel() && !features.isProvided("babel");
1680         bool const use_polyglossia = features.usePolyglossia();
1681         bool const global = lyxrc.language_global_options;
1682         if (features.useBabel() || (use_polyglossia && global)) {
1683                 language_options << features.getBabelLanguages();
1684                 if (!language->babel().empty()) {
1685                         if (!language_options.str().empty())
1686                                 language_options << ',';
1687                         language_options << language->babel();
1688                 }
1689                 if (global && !language_options.str().empty())
1690                         clsoptions << language_options.str() << ',';
1691         }
1692
1693         // the predefined options from the layout
1694         if (use_default_options && !tclass.options().empty())
1695                 clsoptions << tclass.options() << ',';
1696
1697         // the user-defined options
1698         if (!options.empty()) {
1699                 clsoptions << options << ',';
1700         }
1701
1702         string strOptions(clsoptions.str());
1703         if (!strOptions.empty()) {
1704                 strOptions = rtrim(strOptions, ",");
1705                 // FIXME UNICODE
1706                 os << '[' << from_utf8(strOptions) << ']';
1707         }
1708
1709         os << '{' << from_ascii(tclass.latexname()) << "}\n";
1710         // end of \documentclass defs
1711
1712         // if we use fontspec or newtxmath, we have to load the AMS packages here
1713         string const ams = features.loadAMSPackages();
1714         bool const ot1 = (main_font_encoding() == "default" || main_font_encoding() == "OT1");
1715         bool const use_newtxmath =
1716                 theLaTeXFonts().getLaTeXFont(from_ascii(fontsMath())).getUsedPackage(
1717                         ot1, false, false) == "newtxmath";
1718         if ((useNonTeXFonts || use_newtxmath) && !ams.empty())
1719                 os << from_ascii(ams);
1720
1721         if (useNonTeXFonts) {
1722                 // Babel (as of 2017/11/03) loads fontspec itself
1723                 if (!features.isProvided("fontspec")
1724                     && !(features.useBabel() && features.isAvailable("babel-2017/11/03")))
1725                         os << "\\usepackage{fontspec}\n";
1726                 if (features.mustProvide("unicode-math")
1727                     && features.isAvailable("unicode-math"))
1728                         os << "\\usepackage{unicode-math}\n";
1729         }
1730
1731         // load CJK support package before font selection
1732         // (see autotests/export/latex/CJK/micro-sign_utf8-cjk-libertine.lyx)
1733         if (!useNonTeXFonts && encoding().package() != Encoding::none && inputenc != "utf8x"
1734                 && (encoding().package() == Encoding::CJK || features.mustProvide("CJK"))) {
1735                 if (inputenc == "utf8-cjk" || inputenc == "utf8")
1736                         os << "\\usepackage{CJKutf8}\n";
1737                 else
1738                         os << "\\usepackage[encapsulated]{CJK}\n";
1739         }
1740
1741         // font selection must be done before loading fontenc.sty
1742         // but after babel with non-TeX fonts
1743         string const fonts = loadFonts(features);
1744         if (!fonts.empty() && (!features.useBabel() || !useNonTeXFonts))
1745                 os << from_utf8(fonts);
1746
1747         if (fonts_default_family != "default")
1748                 os << "\\renewcommand{\\familydefault}{\\"
1749                    << from_ascii(fonts_default_family) << "}\n";
1750
1751         // set font encoding
1752         // non-TeX fonts use font encoding TU (set by fontspec)
1753         if (!useNonTeXFonts && !features.isProvided("fontenc")
1754             && main_font_encoding() != "default") {
1755                 // get main font encodings
1756                 vector<string> fontencs = font_encodings();
1757                 // get font encodings of secondary languages
1758                 // FIXME: some languages (hebrew, ...) assume a standard font encoding as last
1759                 // option (for text in other languages).
1760                 features.getFontEncodings(fontencs);
1761                 if (!fontencs.empty()) {
1762                         os << "\\usepackage["
1763                            << from_ascii(getStringFromVector(fontencs))
1764                            << "]{fontenc}\n";
1765                 }
1766         }
1767
1768         // Load textcomp and pmboxdraw before (lua)inputenc (#11454)
1769         if (features.mustProvide("textcomp"))
1770                 os << "\\usepackage{textcomp}\n";
1771         if (features.mustProvide("pmboxdraw"))
1772                 os << "\\usepackage{pmboxdraw}\n";
1773
1774         // handle inputenc etc.
1775         // (In documents containing text in Thai language,
1776         // we must load inputenc after babel, see lib/languages).
1777         if (!contains(features.getBabelPostsettings(), from_ascii("thai.ldf")))
1778                 writeEncodingPreamble(os, features);
1779
1780         // includeonly
1781         if (!features.runparams().includeall && !included_children_.empty()) {
1782                 os << "\\includeonly{";
1783                 list<string>::const_iterator it = included_children_.begin();
1784                 list<string>::const_iterator en = included_children_.end();
1785                 bool first = true;
1786                 for (; it != en; ++it) {
1787                         string incfile = *it;
1788                         FileName inc = makeAbsPath(incfile, filepath.absFileName());
1789                         string mangled = DocFileName(changeExtension(inc.absFileName(), ".tex")).
1790                         mangledFileName();
1791                         if (!features.runparams().nice)
1792                                 incfile = mangled;
1793                         // \includeonly doesn't want an extension
1794                         incfile = changeExtension(incfile, string());
1795                         incfile = support::latex_path(incfile);
1796                         if (!incfile.empty()) {
1797                                 if (!first)
1798                                         os << ",";
1799                                 os << from_utf8(incfile);
1800                         }
1801                         first = false;
1802                 }
1803                 os << "}\n";
1804         }
1805
1806         if (use_geometry || !class_supported_papersize) {
1807                 odocstringstream ods;
1808                 if (!getGraphicsDriver("geometry").empty())
1809                         ods << getGraphicsDriver("geometry");
1810                 if (orientation == ORIENTATION_LANDSCAPE)
1811                         ods << ",landscape";
1812                 switch (papersize) {
1813                 case PAPER_CUSTOM:
1814                         if (!paperwidth.empty())
1815                                 ods << ",paperwidth="
1816                                    << from_ascii(paperwidth);
1817                         if (!paperheight.empty())
1818                                 ods << ",paperheight="
1819                                    << from_ascii(paperheight);
1820                         break;
1821                 case PAPER_USLETTER:
1822                 case PAPER_USLEGAL:
1823                 case PAPER_USEXECUTIVE:
1824                 case PAPER_A0:
1825                 case PAPER_A1:
1826                 case PAPER_A2:
1827                 case PAPER_A3:
1828                 case PAPER_A4:
1829                 case PAPER_A5:
1830                 case PAPER_A6:
1831                 case PAPER_B0:
1832                 case PAPER_B1:
1833                 case PAPER_B2:
1834                 case PAPER_B3:
1835                 case PAPER_B4:
1836                 case PAPER_B5:
1837                 case PAPER_B6:
1838                 case PAPER_C0:
1839                 case PAPER_C1:
1840                 case PAPER_C2:
1841                 case PAPER_C3:
1842                 case PAPER_C4:
1843                 case PAPER_C5:
1844                 case PAPER_C6:
1845                 case PAPER_JISB0:
1846                 case PAPER_JISB1:
1847                 case PAPER_JISB2:
1848                 case PAPER_JISB3:
1849                 case PAPER_JISB4:
1850                 case PAPER_JISB5:
1851                 case PAPER_JISB6:
1852                         ods << "," << from_ascii(string_papersize[papersize]);
1853                         break;
1854                 case PAPER_DEFAULT:
1855                         break;
1856                 }
1857                 docstring g_options = trim(ods.str(), ",");
1858                 // geometry-light means that the class works with geometry, but overwrites
1859                 // the package options and paper sizes (memoir does this).
1860                 // In this case, all options need to go to \geometry
1861                 // and the standard paper sizes need to go to the class options.
1862                 if (!features.isProvided("geometry")) {
1863                         os << "\\usepackage";
1864                         if (!g_options.empty() && !features.isProvided("geometry-light")) {
1865                                 os << '[' << g_options << ']';
1866                                 g_options.clear();
1867                         }
1868                         os << "{geometry}\n";
1869                 }
1870                 if (use_geometry || features.isProvided("geometry")
1871                     || features.isProvided("geometry-light")) {
1872                         os << "\\geometry{verbose";
1873                         if (!g_options.empty())
1874                                 // Output general options here with "geometry light".
1875                                 os << "," << g_options;
1876                         // output this only if use_geometry is true
1877                         if (use_geometry) {
1878                                 if (!topmargin.empty())
1879                                         os << ",tmargin=" << from_ascii(Length(topmargin).asLatexString());
1880                                 if (!bottommargin.empty())
1881                                         os << ",bmargin=" << from_ascii(Length(bottommargin).asLatexString());
1882                                 if (!leftmargin.empty())
1883                                         os << ",lmargin=" << from_ascii(Length(leftmargin).asLatexString());
1884                                 if (!rightmargin.empty())
1885                                         os << ",rmargin=" << from_ascii(Length(rightmargin).asLatexString());
1886                                 if (!headheight.empty())
1887                                         os << ",headheight=" << from_ascii(Length(headheight).asLatexString());
1888                                 if (!headsep.empty())
1889                                         os << ",headsep=" << from_ascii(Length(headsep).asLatexString());
1890                                 if (!footskip.empty())
1891                                         os << ",footskip=" << from_ascii(Length(footskip).asLatexString());
1892                                 if (!columnsep.empty())
1893                                         os << ",columnsep=" << from_ascii(Length(columnsep).asLatexString());
1894                         }
1895                 os << "}\n";
1896                 }
1897         } else if (orientation == ORIENTATION_LANDSCAPE
1898                    || papersize != PAPER_DEFAULT) {
1899                 features.require("papersize");
1900         }
1901
1902         if (tokenPos(tclass.opt_pagestyle(), '|', pagestyle) >= 0) {
1903                 if (pagestyle == "fancy")
1904                         os << "\\usepackage{fancyhdr}\n";
1905                 os << "\\pagestyle{" << from_ascii(pagestyle) << "}\n";
1906         }
1907
1908         // only output when the background color is not default
1909         if (isbackgroundcolor == true) {
1910                 // only require color here, the background color will be defined
1911                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1912                 // package pdfpages
1913                 features.require("color");
1914                 features.require("pagecolor");
1915         }
1916
1917         // only output when the font color is not default
1918         if (isfontcolor == true) {
1919                 // only require color here, the font color will be defined
1920                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1921                 // package pdfpages
1922                 features.require("color");
1923                 features.require("fontcolor");
1924         }
1925
1926         // Only if class has a ToC hierarchy
1927         if (tclass.hasTocLevels()) {
1928                 if (secnumdepth != tclass.secnumdepth()) {
1929                         os << "\\setcounter{secnumdepth}{"
1930                            << secnumdepth
1931                            << "}\n";
1932                 }
1933                 if (tocdepth != tclass.tocdepth()) {
1934                         os << "\\setcounter{tocdepth}{"
1935                            << tocdepth
1936                            << "}\n";
1937                 }
1938         }
1939
1940         if (paragraph_separation) {
1941                 // when skip separation
1942                 switch (getDefSkip().kind()) {
1943                 case VSpace::SMALLSKIP:
1944                         os << "\\setlength{\\parskip}{\\smallskipamount}\n";
1945                         break;
1946                 case VSpace::MEDSKIP:
1947                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1948                         break;
1949                 case VSpace::BIGSKIP:
1950                         os << "\\setlength{\\parskip}{\\bigskipamount}\n";
1951                         break;
1952                 case VSpace::LENGTH:
1953                         os << "\\setlength{\\parskip}{"
1954                            << from_utf8(getDefSkip().length().asLatexString())
1955                            << "}\n";
1956                         break;
1957                 default: // should never happen // Then delete it.
1958                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1959                         break;
1960                 }
1961                 os << "\\setlength{\\parindent}{0pt}\n";
1962         } else {
1963                 // when separation by indentation
1964                 // only output something when a width is given
1965                 if (!getParIndent().empty()) {
1966                         os << "\\setlength{\\parindent}{"
1967                            << from_utf8(getParIndent().asLatexString())
1968                            << "}\n";
1969                 }
1970         }
1971
1972         if (is_math_indent) {
1973                 // when formula indentation
1974                 // only output something when it is not the default
1975                 if (!getMathIndent().empty()) {
1976                         os << "\\setlength{\\mathindent}{"
1977                            << from_utf8(getMathIndent().asString())
1978                            << "}\n";
1979                 }
1980         }
1981
1982         // Now insert the LyX specific LaTeX commands...
1983         features.resolveAlternatives();
1984         features.expandMultiples();
1985
1986         if (output_sync) {
1987                 if (!output_sync_macro.empty())
1988                         os << from_utf8(output_sync_macro) +"\n";
1989                 else if (features.runparams().flavor == OutputParams::LATEX)
1990                         os << "\\usepackage[active]{srcltx}\n";
1991                 else if (features.runparams().flavor == OutputParams::PDFLATEX)
1992                         os << "\\synctex=-1\n";
1993         }
1994
1995         // The package options (via \PassOptionsToPackage)
1996         os << from_ascii(features.getPackageOptions());
1997
1998         // due to interferences with babel and hyperref, the color package has to
1999         // be loaded (when it is not already loaded) before babel when hyperref
2000         // is used with the colorlinks option, see
2001         // http://www.lyx.org/trac/ticket/5291
2002         // we decided therefore to load color always before babel, see
2003         // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg144349.html
2004         os << from_ascii(features.getColorOptions());
2005
2006         // If we use hyperref, jurabib, japanese or varioref,
2007         // we have to call babel before
2008         if (use_babel
2009             && (features.isRequired("jurabib")
2010                 || features.isRequired("hyperref")
2011                 || features.isRequired("varioref")
2012                 || features.isRequired("japanese"))) {
2013                         os << features.getBabelPresettings();
2014                         // FIXME UNICODE
2015                         os << from_utf8(babelCall(language_options.str(),
2016                                                                           !lyxrc.language_global_options)) + '\n';
2017                         os << features.getBabelPostsettings();
2018         }
2019
2020         // The optional packages;
2021         os << from_ascii(features.getPackages());
2022
2023         // Additional Indices
2024         if (features.isRequired("splitidx")) {
2025                 IndicesList::const_iterator iit = indiceslist().begin();
2026                 IndicesList::const_iterator iend = indiceslist().end();
2027                 for (; iit != iend; ++iit) {
2028                         os << "\\newindex{";
2029                         os << escape(iit->shortcut());
2030                         os << "}\n";
2031                 }
2032         }
2033
2034         // Line spacing
2035         os << from_utf8(spacing().writePreamble(features.isProvided("SetSpace")));
2036
2037         // PDF support.
2038         // * Hyperref manual: "Make sure it comes last of your loaded
2039         //   packages, to give it a fighting chance of not being over-written,
2040         //   since its job is to redefine many LaTeX commands."
2041         // * Email from Heiko Oberdiek: "It is usually better to load babel
2042         //   before hyperref. Then hyperref has a chance to detect babel.
2043         // * Has to be loaded before the "LyX specific LaTeX commands" to
2044         //   avoid errors with algorithm floats.
2045         // use hyperref explicitly if it is required
2046         if (features.isRequired("hyperref")) {
2047                 OutputParams tmp_params = features.runparams();
2048                 pdfoptions().writeLaTeX(tmp_params, os,
2049                                         features.isProvided("hyperref"));
2050                 // correctly break URLs with hyperref and dvi/ps output
2051                 if (features.runparams().hyperref_driver == "dvips"
2052                     && features.isAvailable("breakurl"))
2053                         os << "\\usepackage{breakurl}\n";
2054         } else if (features.isRequired("nameref"))
2055                 // hyperref loads this automatically
2056                 os << "\\usepackage{nameref}\n";
2057
2058         if (use_lineno){
2059                 os << "\\usepackage";
2060                 if (!lineno_opts.empty())
2061                         os << "[" << lineno_opts << "]";
2062                 os << "{lineno}\n";
2063                 os << "\\linenumbers\n";
2064         }
2065
2066         // bibtopic needs to be loaded after hyperref.
2067         // the dot provides the aux file naming which LyX can detect.
2068         if (features.mustProvide("bibtopic"))
2069                 os << "\\usepackage[dot]{bibtopic}\n";
2070
2071         // Will be surrounded by \makeatletter and \makeatother when not empty
2072         otexstringstream atlyxpreamble;
2073
2074         // Some macros LyX will need
2075         {
2076                 TexString tmppreamble = features.getMacros();
2077                 if (!tmppreamble.str.empty())
2078                         atlyxpreamble << "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
2079                                          "LyX specific LaTeX commands.\n"
2080                                       << move(tmppreamble)
2081                                       << '\n';
2082         }
2083         // the text class specific preamble
2084         {
2085                 docstring tmppreamble = features.getTClassPreamble();
2086                 if (!tmppreamble.empty())
2087                         atlyxpreamble << "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
2088                                          "Textclass specific LaTeX commands.\n"
2089                                       << tmppreamble
2090                                       << '\n';
2091         }
2092         // suppress date if selected
2093         // use \@ifundefined because we cannot be sure that every document class
2094         // has a \date command
2095         if (suppress_date)
2096                 atlyxpreamble << "\\@ifundefined{date}{}{\\date{}}\n";
2097
2098         /* the user-defined preamble */
2099         if (!containsOnly(preamble, " \n\t")) {
2100                 // FIXME UNICODE
2101                 atlyxpreamble << "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
2102                                  "User specified LaTeX commands.\n";
2103
2104                 // Check if the user preamble contains uncodable glyphs
2105                 odocstringstream user_preamble;
2106                 docstring uncodable_glyphs;
2107                 Encoding const * const enc = features.runparams().encoding;
2108                 if (enc) {
2109                         for (size_t n = 0; n < preamble.size(); ++n) {
2110                                 char_type c = preamble[n];
2111                                 if (!enc->encodable(c)) {
2112                                         docstring const glyph(1, c);
2113                                         LYXERR0("Uncodable character '"
2114                                                 << glyph
2115                                                 << "' in user preamble!");
2116                                         uncodable_glyphs += glyph;
2117                                         if (features.runparams().dryrun) {
2118                                                 user_preamble << "<" << _("LyX Warning: ")
2119                                                    << _("uncodable character") << " '";
2120                                                 user_preamble.put(c);
2121                                                 user_preamble << "'>";
2122                                         }
2123                                 } else
2124                                         user_preamble.put(c);
2125                         }
2126                 } else
2127                         user_preamble << preamble;
2128
2129                 // On BUFFER_VIEW|UPDATE, warn user if we found uncodable glyphs
2130                 if (!features.runparams().dryrun && !uncodable_glyphs.empty()) {
2131                         frontend::Alert::warning(
2132                                 _("Uncodable character in user preamble"),
2133                                 support::bformat(
2134                                   _("The user preamble of your document contains glyphs "
2135                                     "that are unknown in the current document encoding "
2136                                     "(namely %1$s).\nThese glyphs are omitted "
2137                                     " from the output, which may result in "
2138                                     "incomplete output."
2139                                     "\n\nPlease select an appropriate "
2140                                     "document encoding\n"
2141                                     "(such as utf8) or change the "
2142                                     "preamble code accordingly."),
2143                                   uncodable_glyphs));
2144                 }
2145                 atlyxpreamble << user_preamble.str() << '\n';
2146         }
2147
2148         // footmisc must be loaded after setspace
2149         // Load it here to avoid clashes with footmisc loaded in the user
2150         // preamble. For that reason we also pass the options via
2151         // \PassOptionsToPackage in getPreamble() and not here.
2152         if (features.mustProvide("footmisc"))
2153                 atlyxpreamble << "\\usepackage{footmisc}\n";
2154
2155         // subfig loads internally the LaTeX package "caption". As
2156         // caption is a very popular package, users will load it in
2157         // the preamble. Therefore we must load subfig behind the
2158         // user-defined preamble and check if the caption package was
2159         // loaded or not. For the case that caption is loaded before
2160         // subfig, there is the subfig option "caption=false". This
2161         // option also works when a koma-script class is used and
2162         // koma's own caption commands are used instead of caption. We
2163         // use \PassOptionsToPackage here because the user could have
2164         // already loaded subfig in the preamble.
2165         if (features.mustProvide("subfig"))
2166                 atlyxpreamble << "\\@ifundefined{showcaptionsetup}{}{%\n"
2167                                  " \\PassOptionsToPackage{caption=false}{subfig}}\n"
2168                                  "\\usepackage{subfig}\n";
2169
2170         // Itemize bullet settings need to be last in case the user
2171         // defines their own bullets that use a package included
2172         // in the user-defined preamble -- ARRae
2173         // Actually it has to be done much later than that
2174         // since some packages like frenchb make modifications
2175         // at \begin{document} time -- JMarc
2176         docstring bullets_def;
2177         for (int i = 0; i < 4; ++i) {
2178                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
2179                         if (bullets_def.empty())
2180                                 bullets_def += "\\AtBeginDocument{\n";
2181                         bullets_def += "  \\def\\labelitemi";
2182                         switch (i) {
2183                                 // `i' is one less than the item to modify
2184                         case 0:
2185                                 break;
2186                         case 1:
2187                                 bullets_def += 'i';
2188                                 break;
2189                         case 2:
2190                                 bullets_def += "ii";
2191                                 break;
2192                         case 3:
2193                                 bullets_def += 'v';
2194                                 break;
2195                         }
2196                         bullets_def += '{' +
2197                                 user_defined_bullet(i).getText()
2198                                 + "}\n";
2199                 }
2200         }
2201
2202         if (!bullets_def.empty())
2203                 atlyxpreamble << bullets_def << "}\n\n";
2204
2205         if (!atlyxpreamble.empty())
2206                 os << "\n\\makeatletter\n"
2207                    << atlyxpreamble.release()
2208                    << "\\makeatother\n\n";
2209
2210         // We try to load babel late, in case it interferes with other packages.
2211         // Jurabib, hyperref, varioref, bicaption, menukeys and listings (bug 8995)
2212         // have to be called after babel, though.
2213         if (use_babel && !features.isRequired("jurabib")
2214             && !features.isRequired("hyperref")
2215             && !features.isRequired("varioref")
2216             && !features.isRequired("japanese")) {
2217                 os << features.getBabelPresettings();
2218                 // FIXME UNICODE
2219                 os << from_utf8(babelCall(language_options.str(),
2220                                           !lyxrc.language_global_options)) + '\n';
2221                 os << features.getBabelPostsettings();
2222         }
2223         // In documents containing text in Thai language,
2224         // we must load inputenc after babel (see lib/languages).
2225         if (contains(features.getBabelPostsettings(), from_ascii("thai.ldf")))
2226                 writeEncodingPreamble(os, features);
2227
2228         // font selection must be done after babel with non-TeX fonts
2229         if (!fonts.empty() && features.useBabel() && useNonTeXFonts)
2230                 os << from_utf8(fonts);
2231
2232         if (features.isRequired("bicaption"))
2233                 os << "\\usepackage{bicaption}\n";
2234         if (!listings_params.empty()
2235             || features.mustProvide("listings")
2236             || features.mustProvide("minted")) {
2237                 if (use_minted)
2238                         os << "\\usepackage{minted}\n";
2239                 else
2240                         os << "\\usepackage{listings}\n";
2241         }
2242         string lst_params = listings_params;
2243         // If minted, do not output the language option (bug 11203)
2244         if (use_minted && contains(lst_params, "language=")) {
2245                 vector<string> opts =
2246                         getVectorFromString(lst_params, ",", false);
2247                 for (size_t i = 0; i < opts.size(); ++i) {
2248                         if (prefixIs(opts[i], "language="))
2249                                 opts.erase(opts.begin() + i--);
2250                 }
2251                 lst_params = getStringFromVector(opts, ",");
2252         }
2253         if (!lst_params.empty()) {
2254                 if (use_minted)
2255                         os << "\\setminted{";
2256                 else
2257                         os << "\\lstset{";
2258                 // do not test validity because listings_params is
2259                 // supposed to be valid
2260                 string par =
2261                         InsetListingsParams(lst_params).separatedParams(true);
2262                 os << from_utf8(par);
2263                 os << "}\n";
2264         }
2265
2266         // xunicode only needs to be loaded if tipa is used
2267         // (the rest is obsoleted by the new TU encoding).
2268         // It needs to be loaded at least after amsmath, amssymb,
2269         // esint and the other packages that provide special glyphs
2270         if (features.mustProvide("tipa") && useNonTeXFonts
2271             && !features.isProvided("xunicode")) {
2272                 // The `xunicode` package officially only supports XeTeX,
2273                 //  but also works with LuaTeX. We work around its XeTeX test.
2274                 if (features.runparams().flavor != OutputParams::XETEX) {
2275                         os << "% Pretend to xunicode that we are XeTeX\n"
2276                            << "\\def\\XeTeXpicfile{}\n";
2277                 }
2278                 os << "\\usepackage{xunicode}\n";
2279         }
2280
2281         // covington must be loaded after beamerarticle
2282         if (features.isRequired("covington"))
2283             os << "\\usepackage{covington}\n";
2284
2285         // Polyglossia must be loaded last ...
2286         if (use_polyglossia) {
2287                 // call the package
2288                 os << "\\usepackage{polyglossia}\n";
2289                 // set the main language
2290                 os << "\\setdefaultlanguage";
2291                 if (!language->polyglossiaOpts().empty())
2292                         os << "[" << from_ascii(language->polyglossiaOpts()) << "]";
2293                 os << "{" << from_ascii(language->polyglossia()) << "}\n";
2294                 // now setup the other languages
2295                 set<string> const polylangs =
2296                         features.getPolyglossiaLanguages();
2297                 for (set<string>::const_iterator mit = polylangs.begin();
2298                      mit != polylangs.end() ; ++mit) {
2299                         // We do not output the options here; they are output in
2300                         // the language switch commands. This is safer if multiple
2301                         // varieties are used.
2302                         if (*mit == language->polyglossia())
2303                                 continue;
2304                         os << "\\setotherlanguage";
2305                         os << "{" << from_ascii(*mit) << "}\n";
2306                 }
2307         }
2308
2309         // ... but before biblatex (see #7065)
2310         if ((features.mustProvide("biblatex")
2311              || features.isRequired("biblatex-chicago"))
2312             && !features.isProvided("biblatex-chicago")
2313             && !features.isProvided("biblatex-natbib")
2314             && !features.isProvided("natbib-internal")
2315             && !features.isProvided("natbib")
2316             && !features.isProvided("jurabib")) {
2317                 // The biblatex-chicago package has a differing interface
2318                 // it uses a wrapper package and loads styles via fixed options
2319                 bool const chicago = features.isRequired("biblatex-chicago");
2320                 string delim = "";
2321                 string opts;
2322                 os << "\\usepackage";
2323                 if (!biblatex_bibstyle.empty()
2324                     && (biblatex_bibstyle == biblatex_citestyle)
2325                     && !chicago) {
2326                         opts = "style=" + biblatex_bibstyle;
2327                         delim = ",";
2328                 } else if (!chicago) {
2329                         if (!biblatex_bibstyle.empty()) {
2330                                 opts = "bibstyle=" + biblatex_bibstyle;
2331                                 delim = ",";
2332                         }
2333                         if (!biblatex_citestyle.empty()) {
2334                                 opts += delim + "citestyle=" + biblatex_citestyle;
2335                                 delim = ",";
2336                         }
2337                 }
2338                 if (!multibib.empty() && multibib != "child") {
2339                         opts += delim + "refsection=" + multibib;
2340                         delim = ",";
2341                 }
2342                 if (bibtexCommand() == "bibtex8"
2343                     || prefixIs(bibtexCommand(), "bibtex8 ")) {
2344                         opts += delim + "backend=bibtex8";
2345                         delim = ",";
2346                 } else if (bibtexCommand() == "bibtex"
2347                            || prefixIs(bibtexCommand(), "bibtex ")) {
2348                         opts += delim + "backend=bibtex";
2349                         delim = ",";
2350                 }
2351                 if (!bib_encoding.empty() && encodings.fromLyXName(bib_encoding)) {
2352                         opts += delim + "bibencoding="
2353                                 + encodings.fromLyXName(bib_encoding)->latexName();
2354                         delim = ",";
2355                 }
2356                 if (!biblio_opts.empty())
2357                         opts += delim + biblio_opts;
2358                 if (!opts.empty())
2359                         os << "[" << opts << "]";
2360                 if (chicago)
2361                         os << "{biblatex-chicago}\n";
2362                 else
2363                         os << "{biblatex}\n";
2364         }
2365
2366
2367         // Load custom language package here
2368         if (features.langPackage() == LaTeXFeatures::LANG_PACK_CUSTOM) {
2369                 if (lang_package == "default")
2370                         os << from_utf8(lyxrc.language_custom_package);
2371                 else
2372                         os << from_utf8(lang_package);
2373                 os << '\n';
2374         }
2375
2376         // Since menukeys uses catoptions, which does some heavy changes on key-value options,
2377         // it is recommended to load menukeys as the last package (even after hyperref)
2378         if (features.isRequired("menukeys"))
2379                 os << "\\usepackage{menukeys}\n";
2380
2381         docstring const i18npreamble =
2382                 features.getTClassI18nPreamble(use_babel, use_polyglossia,
2383                                                use_minted);
2384         if (!i18npreamble.empty())
2385                 os << i18npreamble + '\n';
2386
2387         return use_babel;
2388 }
2389
2390
2391 void BufferParams::useClassDefaults()
2392 {
2393         DocumentClass const & tclass = documentClass();
2394
2395         sides = tclass.sides();
2396         columns = tclass.columns();
2397         pagestyle = tclass.pagestyle();
2398         tablestyle = tclass.tablestyle();
2399         use_default_options = true;
2400         // Only if class has a ToC hierarchy
2401         if (tclass.hasTocLevels()) {
2402                 secnumdepth = tclass.secnumdepth();
2403                 tocdepth = tclass.tocdepth();
2404         }
2405 }
2406
2407
2408 bool BufferParams::hasClassDefaults() const
2409 {
2410         DocumentClass const & tclass = documentClass();
2411
2412         return sides == tclass.sides()
2413                 && columns == tclass.columns()
2414                 && pagestyle == tclass.pagestyle()
2415                 && tablestyle == tclass.tablestyle()
2416                 && use_default_options
2417                 && secnumdepth == tclass.secnumdepth()
2418                 && tocdepth == tclass.tocdepth();
2419 }
2420
2421
2422 DocumentClass const & BufferParams::documentClass() const
2423 {
2424         return *doc_class_;
2425 }
2426
2427
2428 DocumentClassConstPtr BufferParams::documentClassPtr() const
2429 {
2430         return doc_class_;
2431 }
2432
2433
2434 void BufferParams::setDocumentClass(DocumentClassConstPtr tc)
2435 {
2436         // evil, but this function is evil
2437         doc_class_ = const_pointer_cast<DocumentClass>(tc);
2438         invalidateConverterCache();
2439 }
2440
2441
2442 bool BufferParams::setBaseClass(string const & classname, string const & path)
2443 {
2444         LYXERR(Debug::TCLASS, "setBaseClass: " << classname);
2445         LayoutFileList & bcl = LayoutFileList::get();
2446         if (!bcl.haveClass(classname)) {
2447                 docstring s =
2448                         bformat(_("The layout file:\n"
2449                                 "%1$s\n"
2450                                 "could not be found. A default textclass with default\n"
2451                                 "layouts will be used. LyX will not be able to produce\n"
2452                                 "correct output."),
2453                         from_utf8(classname));
2454                 frontend::Alert::error(_("Document class not found"), s);
2455                 bcl.addEmptyClass(classname);
2456         }
2457
2458         bool const success = bcl[classname].load(path);
2459         if (!success) {
2460                 docstring s =
2461                         bformat(_("Due to some error in it, the layout file:\n"
2462                                 "%1$s\n"
2463                                 "could not be loaded. A default textclass with default\n"
2464                                 "layouts will be used. LyX will not be able to produce\n"
2465                                 "correct output."),
2466                         from_utf8(classname));
2467                 frontend::Alert::error(_("Could not load class"), s);
2468                 bcl.addEmptyClass(classname);
2469         }
2470
2471         pimpl_->baseClass_ = classname;
2472         layout_modules_.adaptToBaseClass(baseClass(), removed_modules_);
2473         return true;
2474 }
2475
2476
2477 LayoutFile const * BufferParams::baseClass() const
2478 {
2479         if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
2480                 return &(LayoutFileList::get()[pimpl_->baseClass_]);
2481         else
2482                 return 0;
2483 }
2484
2485
2486 LayoutFileIndex const & BufferParams::baseClassID() const
2487 {
2488         return pimpl_->baseClass_;
2489 }
2490
2491
2492 void BufferParams::makeDocumentClass(bool const clone)
2493 {
2494         if (!baseClass())
2495                 return;
2496
2497         invalidateConverterCache();
2498         LayoutModuleList mods;
2499         LayoutModuleList::iterator it = layout_modules_.begin();
2500         LayoutModuleList::iterator en = layout_modules_.end();
2501         for (; it != en; ++it)
2502                 mods.push_back(*it);
2503
2504         doc_class_ = getDocumentClass(*baseClass(), mods, cite_engine_, clone);
2505
2506         TextClass::ReturnValues success = TextClass::OK;
2507         if (!forced_local_layout_.empty())
2508                 success = doc_class_->read(to_utf8(forced_local_layout_),
2509                                            TextClass::MODULE);
2510         if (!local_layout_.empty() &&
2511             (success == TextClass::OK || success == TextClass::OK_OLDFORMAT))
2512                 success = doc_class_->read(to_utf8(local_layout_), TextClass::MODULE);
2513         if (success != TextClass::OK && success != TextClass::OK_OLDFORMAT) {
2514                 docstring const msg = _("Error reading internal layout information");
2515                 frontend::Alert::warning(_("Read Error"), msg);
2516         }
2517 }
2518
2519
2520 bool BufferParams::layoutModuleCanBeAdded(string const & modName) const
2521 {
2522         return layout_modules_.moduleCanBeAdded(modName, baseClass());
2523 }
2524
2525
2526 docstring BufferParams::getLocalLayout(bool forced) const
2527 {
2528         if (forced)
2529                 return from_utf8(doc_class_->forcedLayouts());
2530         else
2531                 return local_layout_;
2532 }
2533
2534
2535 void BufferParams::setLocalLayout(docstring const & layout, bool forced)
2536 {
2537         if (forced)
2538                 forced_local_layout_ = layout;
2539         else
2540                 local_layout_ = layout;
2541 }
2542
2543
2544 bool BufferParams::addLayoutModule(string const & modName)
2545 {
2546         LayoutModuleList::const_iterator it = layout_modules_.begin();
2547         LayoutModuleList::const_iterator end = layout_modules_.end();
2548         for (; it != end; ++it)
2549                 if (*it == modName)
2550                         return false;
2551         layout_modules_.push_back(modName);
2552         return true;
2553 }
2554
2555
2556 string BufferParams::bufferFormat() const
2557 {
2558         return documentClass().outputFormat();
2559 }
2560
2561
2562 bool BufferParams::isExportable(string const & format, bool need_viewable) const
2563 {
2564         FormatList const & formats = exportableFormats(need_viewable);
2565         FormatList::const_iterator fit = formats.begin();
2566         FormatList::const_iterator end = formats.end();
2567         for (; fit != end ; ++fit) {
2568                 if ((*fit)->name() == format)
2569                         return true;
2570         }
2571         return false;
2572 }
2573
2574
2575 FormatList const & BufferParams::exportableFormats(bool only_viewable) const
2576 {
2577         FormatList & cached = only_viewable ?
2578                         pimpl_->viewableFormatList : pimpl_->exportableFormatList;
2579         bool & valid = only_viewable ?
2580                         pimpl_->isViewCacheValid : pimpl_->isExportCacheValid;
2581         if (valid)
2582                 return cached;
2583
2584         vector<string> const backs = backends();
2585         set<string> excludes;
2586         if (useNonTeXFonts) {
2587                 excludes.insert("latex");
2588                 excludes.insert("pdflatex");
2589         } else if (inputenc != "ascii" && inputenc != "utf8-plain")
2590                   // XeTeX with TeX fonts requires input encoding ascii (#10600).
2591                   excludes.insert("xetex");
2592         FormatList result = theConverters().getReachable(backs[0], only_viewable,
2593                                                                                                          true, excludes);
2594         for (vector<string>::const_iterator it = backs.begin() + 1;
2595              it != backs.end(); ++it) {
2596                 FormatList r = theConverters().getReachable(*it, only_viewable,
2597                                                                                                         false, excludes);
2598                 result.insert(result.end(), r.begin(), r.end());
2599         }
2600         sort(result.begin(), result.end(), Format::formatSorter);
2601         cached = result;
2602         valid = true;
2603         return cached;
2604 }
2605
2606
2607 vector<string> BufferParams::backends() const
2608 {
2609         vector<string> v;
2610         string const buffmt = bufferFormat();
2611
2612         // FIXME: Don't hardcode format names here, but use a flag
2613         if (buffmt == "latex") {
2614                 if (encoding().package() == Encoding::japanese)
2615                         v.push_back("platex");
2616                 else {
2617                         if (!useNonTeXFonts) {
2618                                 v.push_back("pdflatex");
2619                                 v.push_back("latex");
2620                         }
2621                         if (useNonTeXFonts
2622                                 || inputenc == "ascii" || inputenc == "utf8-plain")
2623                                 v.push_back("xetex");
2624                         v.push_back("luatex");
2625                         v.push_back("dviluatex");
2626                 }
2627         } else {
2628                 string rbuffmt = buffmt;
2629                 // If we use an OutputFormat in Japanese docs,
2630                 // we need special format in order to get the path
2631                 // via pLaTeX (#8823)
2632                 if (documentClass().hasOutputFormat()
2633                     && encoding().package() == Encoding::japanese)
2634                         rbuffmt += "-ja";
2635                 v.push_back(rbuffmt);
2636         }
2637
2638         v.push_back("xhtml");
2639         v.push_back("text");
2640         v.push_back("lyx");
2641         return v;
2642 }
2643
2644
2645 OutputParams::FLAVOR BufferParams::getOutputFlavor(string const & format) const
2646 {
2647         string const dformat = (format.empty() || format == "default") ?
2648                 getDefaultOutputFormat() : format;
2649         DefaultFlavorCache::const_iterator it =
2650                 default_flavors_.find(dformat);
2651
2652         if (it != default_flavors_.end())
2653                 return it->second;
2654
2655         OutputParams::FLAVOR result = OutputParams::LATEX;
2656
2657         // FIXME It'd be better not to hardcode this, but to do
2658         //       something with formats.
2659         if (dformat == "xhtml")
2660                 result = OutputParams::HTML;
2661         else if (dformat == "text")
2662                 result = OutputParams::TEXT;
2663         else if (dformat == "lyx")
2664                 result = OutputParams::LYX;
2665         else if (dformat == "pdflatex")
2666                 result = OutputParams::PDFLATEX;
2667         else if (dformat == "xetex")
2668                 result = OutputParams::XETEX;
2669         else if (dformat == "luatex")
2670                 result = OutputParams::LUATEX;
2671         else if (dformat == "dviluatex")
2672                 result = OutputParams::DVILUATEX;
2673         else {
2674                 // Try to determine flavor of default output format
2675                 vector<string> backs = backends();
2676                 if (find(backs.begin(), backs.end(), dformat) == backs.end()) {
2677                         // Get shortest path to format
2678                         Graph::EdgePath path;
2679                         for (auto const & bvar : backs) {
2680                                 Graph::EdgePath p = theConverters().getPath(bvar, dformat);
2681                                 if (!p.empty() && (path.empty() || p.size() < path.size())) {
2682                                         path = p;
2683                                 }
2684                         }
2685                         if (!path.empty())
2686                                 result = theConverters().getFlavor(path);
2687                 }
2688         }
2689         // cache this flavor
2690         default_flavors_[dformat] = result;
2691         return result;
2692 }
2693
2694
2695 string BufferParams::getDefaultOutputFormat() const
2696 {
2697         if (!default_output_format.empty()
2698             && default_output_format != "default")
2699                 return default_output_format;
2700         if (isDocBook()) {
2701                 FormatList const & formats = exportableFormats(true);
2702                 if (formats.empty())
2703                         return string();
2704                 // return the first we find
2705                 return formats.front()->name();
2706         }
2707         if (encoding().package() == Encoding::japanese)
2708                 return lyxrc.default_platex_view_format;
2709         if (useNonTeXFonts)
2710                 return lyxrc.default_otf_view_format;
2711         return lyxrc.default_view_format;
2712 }
2713
2714 Font const BufferParams::getFont() const
2715 {
2716         FontInfo f = documentClass().defaultfont();
2717         if (fonts_default_family == "rmdefault")
2718                 f.setFamily(ROMAN_FAMILY);
2719         else if (fonts_default_family == "sfdefault")
2720                 f.setFamily(SANS_FAMILY);
2721         else if (fonts_default_family == "ttdefault")
2722                 f.setFamily(TYPEWRITER_FAMILY);
2723         return Font(f, language);
2724 }
2725
2726
2727 InsetQuotesParams::QuoteStyle BufferParams::getQuoteStyle(string const & qs) const
2728 {
2729         return quotesstyletranslator().find(qs);
2730 }
2731
2732
2733 bool BufferParams::isLatex() const
2734 {
2735         return documentClass().outputType() == LATEX;
2736 }
2737
2738
2739 bool BufferParams::isLiterate() const
2740 {
2741         return documentClass().outputType() == LITERATE;
2742 }
2743
2744
2745 bool BufferParams::isDocBook() const
2746 {
2747         return documentClass().outputType() == DOCBOOK;
2748 }
2749
2750
2751 void BufferParams::readPreamble(Lexer & lex)
2752 {
2753         if (lex.getString() != "\\begin_preamble")
2754                 lyxerr << "Error (BufferParams::readPreamble):"
2755                         "consistency check failed." << endl;
2756
2757         preamble = lex.getLongString(from_ascii("\\end_preamble"));
2758 }
2759
2760
2761 void BufferParams::readLocalLayout(Lexer & lex, bool forced)
2762 {
2763         string const expected = forced ? "\\begin_forced_local_layout" :
2764                                          "\\begin_local_layout";
2765         if (lex.getString() != expected)
2766                 lyxerr << "Error (BufferParams::readLocalLayout):"
2767                         "consistency check failed." << endl;
2768
2769         if (forced)
2770                 forced_local_layout_ =
2771                         lex.getLongString(from_ascii("\\end_forced_local_layout"));
2772         else
2773                 local_layout_ = lex.getLongString(from_ascii("\\end_local_layout"));
2774 }
2775
2776
2777 bool BufferParams::setLanguage(string const & lang)
2778 {
2779         Language const *new_language = languages.getLanguage(lang);
2780         if (!new_language) {
2781                 // Language lang was not found
2782                 return false;
2783         }
2784         language = new_language;
2785         return true;
2786 }
2787
2788
2789 void BufferParams::readLanguage(Lexer & lex)
2790 {
2791         if (!lex.next()) return;
2792
2793         string const tmptok = lex.getString();
2794
2795         // check if tmptok is part of tex_babel in tex-defs.h
2796         if (!setLanguage(tmptok)) {
2797                 // Language tmptok was not found
2798                 language = default_language;
2799                 lyxerr << "Warning: Setting language `"
2800                        << tmptok << "' to `" << language->lang()
2801                        << "'." << endl;
2802         }
2803 }
2804
2805
2806 void BufferParams::readGraphicsDriver(Lexer & lex)
2807 {
2808         if (!lex.next())
2809                 return;
2810
2811         string const tmptok = lex.getString();
2812         // check if tmptok is part of tex_graphics in tex_defs.h
2813         int n = 0;
2814         while (true) {
2815                 string const test = tex_graphics[n++];
2816
2817                 if (test == tmptok) {
2818                         graphics_driver = tmptok;
2819                         break;
2820                 }
2821                 if (test.empty()) {
2822                         lex.printError(
2823                                 "Warning: graphics driver `$$Token' not recognized!\n"
2824                                 "         Setting graphics driver to `default'.\n");
2825                         graphics_driver = "default";
2826                         break;
2827                 }
2828         }
2829 }
2830
2831
2832 void BufferParams::readBullets(Lexer & lex)
2833 {
2834         if (!lex.next())
2835                 return;
2836
2837         int const index = lex.getInteger();
2838         lex.next();
2839         int temp_int = lex.getInteger();
2840         user_defined_bullet(index).setFont(temp_int);
2841         temp_bullet(index).setFont(temp_int);
2842         lex >> temp_int;
2843         user_defined_bullet(index).setCharacter(temp_int);
2844         temp_bullet(index).setCharacter(temp_int);
2845         lex >> temp_int;
2846         user_defined_bullet(index).setSize(temp_int);
2847         temp_bullet(index).setSize(temp_int);
2848 }
2849
2850
2851 void BufferParams::readBulletsLaTeX(Lexer & lex)
2852 {
2853         // The bullet class should be able to read this.
2854         if (!lex.next())
2855                 return;
2856         int const index = lex.getInteger();
2857         lex.next(true);
2858         docstring const temp_str = lex.getDocString();
2859
2860         user_defined_bullet(index).setText(temp_str);
2861         temp_bullet(index).setText(temp_str);
2862 }
2863
2864
2865 void BufferParams::readModules(Lexer & lex)
2866 {
2867         if (!lex.eatLine()) {
2868                 lyxerr << "Error (BufferParams::readModules):"
2869                                 "Unexpected end of input." << endl;
2870                 return;
2871         }
2872         while (true) {
2873                 string mod = lex.getString();
2874                 if (mod == "\\end_modules")
2875                         break;
2876                 addLayoutModule(mod);
2877                 lex.eatLine();
2878         }
2879 }
2880
2881
2882 void BufferParams::readRemovedModules(Lexer & lex)
2883 {
2884         if (!lex.eatLine()) {
2885                 lyxerr << "Error (BufferParams::readRemovedModules):"
2886                                 "Unexpected end of input." << endl;
2887                 return;
2888         }
2889         while (true) {
2890                 string mod = lex.getString();
2891                 if (mod == "\\end_removed_modules")
2892                         break;
2893                 removed_modules_.push_back(mod);
2894                 lex.eatLine();
2895         }
2896         // now we want to remove any removed modules that were previously
2897         // added. normally, that will be because default modules were added in
2898         // setBaseClass(), which gets called when \textclass is read at the
2899         // start of the read.
2900         list<string>::const_iterator rit = removed_modules_.begin();
2901         list<string>::const_iterator const ren = removed_modules_.end();
2902         for (; rit != ren; ++rit) {
2903                 LayoutModuleList::iterator const mit = layout_modules_.begin();
2904                 LayoutModuleList::iterator const men = layout_modules_.end();
2905                 LayoutModuleList::iterator found = find(mit, men, *rit);
2906                 if (found == men)
2907                         continue;
2908                 layout_modules_.erase(found);
2909         }
2910 }
2911
2912
2913 void BufferParams::readIncludeonly(Lexer & lex)
2914 {
2915         if (!lex.eatLine()) {
2916                 lyxerr << "Error (BufferParams::readIncludeonly):"
2917                                 "Unexpected end of input." << endl;
2918                 return;
2919         }
2920         while (true) {
2921                 string child = lex.getString();
2922                 if (child == "\\end_includeonly")
2923                         break;
2924                 included_children_.push_back(child);
2925                 lex.eatLine();
2926         }
2927 }
2928
2929
2930 string BufferParams::paperSizeName(PapersizePurpose purpose, string const psize) const
2931 {
2932         PAPER_SIZE ppsize = psize.empty() ? papersize : papersizetranslator().find(psize);
2933         switch (ppsize) {
2934         case PAPER_DEFAULT:
2935                 if (documentClass().pagesize() == "custom")
2936                         // could be anything, so don't guess
2937                         return string();
2938                 return paperSizeName(purpose, documentClass().pagesize());
2939         case PAPER_CUSTOM: {
2940                 if (purpose == XDVI && !paperwidth.empty() &&
2941                     !paperheight.empty()) {
2942                         // heightxwidth<unit>
2943                         string first = paperwidth;
2944                         string second = paperheight;
2945                         if (orientation == ORIENTATION_LANDSCAPE)
2946                                 first.swap(second);
2947                         // cut off unit.
2948                         return first.erase(first.length() - 2)
2949                                 + "x" + second;
2950                 }
2951                 return string();
2952         }
2953         case PAPER_A0:
2954                 // dvips and dvipdfm do not know this
2955                 if (purpose == DVIPS || purpose == DVIPDFM)
2956                         return string();
2957                 return "a0";
2958         case PAPER_A1:
2959                 if (purpose == DVIPS || purpose == DVIPDFM)
2960                         return string();
2961                 return "a1";
2962         case PAPER_A2:
2963                 if (purpose == DVIPS || purpose == DVIPDFM)
2964                         return string();
2965                 return "a2";
2966         case PAPER_A3:
2967                 return "a3";
2968         case PAPER_A4:
2969                 return "a4";
2970         case PAPER_A5:
2971                 return "a5";
2972         case PAPER_A6:
2973                 if (purpose == DVIPS || purpose == DVIPDFM)
2974                         return string();
2975                 return "a6";
2976         case PAPER_B0:
2977                 if (purpose == DVIPS || purpose == DVIPDFM)
2978                         return string();
2979                 return "b0";
2980         case PAPER_B1:
2981                 if (purpose == DVIPS || purpose == DVIPDFM)
2982                         return string();
2983                 return "b1";
2984         case PAPER_B2:
2985                 if (purpose == DVIPS || purpose == DVIPDFM)
2986                         return string();
2987                 return "b2";
2988         case PAPER_B3:
2989                 if (purpose == DVIPS || purpose == DVIPDFM)
2990                         return string();
2991                 return "b3";
2992         case PAPER_B4:
2993                 // dvipdfm does not know this
2994                 if (purpose == DVIPDFM)
2995                         return string();
2996                 return "b4";
2997         case PAPER_B5:
2998                 if (purpose == DVIPDFM)
2999                         return string();
3000                 return "b5";
3001         case PAPER_B6:
3002                 if (purpose == DVIPS || purpose == DVIPDFM)
3003                         return string();
3004                 return "b6";
3005         case PAPER_C0:
3006                 if (purpose == DVIPS || purpose == DVIPDFM)
3007                         return string();
3008                 return "c0";
3009         case PAPER_C1:
3010                 if (purpose == DVIPS || purpose == DVIPDFM)
3011                         return string();
3012                 return "c1";
3013         case PAPER_C2:
3014                 if (purpose == DVIPS || purpose == DVIPDFM)
3015                         return string();
3016                 return "c2";
3017         case PAPER_C3:
3018                 if (purpose == DVIPS || purpose == DVIPDFM)
3019                         return string();
3020                 return "c3";
3021         case PAPER_C4:
3022                 if (purpose == DVIPS || purpose == DVIPDFM)
3023                         return string();
3024                 return "c4";
3025         case PAPER_C5:
3026                 if (purpose == DVIPS || purpose == DVIPDFM)
3027                         return string();
3028                 return "c5";
3029         case PAPER_C6:
3030                 if (purpose == DVIPS || purpose == DVIPDFM)
3031                         return string();
3032                 return "c6";
3033         case PAPER_JISB0:
3034                 if (purpose == DVIPS || purpose == DVIPDFM)
3035                         return string();
3036                 return "jisb0";
3037         case PAPER_JISB1:
3038                 if (purpose == DVIPS || purpose == DVIPDFM)
3039                         return string();
3040                 return "jisb1";
3041         case PAPER_JISB2:
3042                 if (purpose == DVIPS || purpose == DVIPDFM)
3043                         return string();
3044                 return "jisb2";
3045         case PAPER_JISB3:
3046                 if (purpose == DVIPS || purpose == DVIPDFM)
3047                         return string();
3048                 return "jisb3";
3049         case PAPER_JISB4:
3050                 if (purpose == DVIPS || purpose == DVIPDFM)
3051                         return string();
3052                 return "jisb4";
3053         case PAPER_JISB5:
3054                 if (purpose == DVIPS || purpose == DVIPDFM)
3055                         return string();
3056                 return "jisb5";
3057         case PAPER_JISB6:
3058                 if (purpose == DVIPS || purpose == DVIPDFM)
3059                         return string();
3060                 return "jisb6";
3061         case PAPER_USEXECUTIVE:
3062                 // dvipdfm does not know this
3063                 if (purpose == DVIPDFM)
3064                         return string();
3065                 return "foolscap";
3066         case PAPER_USLEGAL:
3067                 return "legal";
3068         case PAPER_USLETTER:
3069         default:
3070                 if (purpose == XDVI)
3071                         return "us";
3072                 return "letter";
3073         }
3074 }
3075
3076
3077 string const BufferParams::dvips_options() const
3078 {
3079         string result;
3080
3081         // If the class loads the geometry package, we do not know which
3082         // paper size is used, since we do not set it (bug 7013).
3083         // Therefore we must not specify any argument here.
3084         // dvips gets the correct paper size via DVI specials in this case
3085         // (if the class uses the geometry package correctly).
3086         if (documentClass().provides("geometry"))
3087                 return result;
3088
3089         if (use_geometry
3090             && papersize == PAPER_CUSTOM
3091             && !lyxrc.print_paper_dimension_flag.empty()
3092             && !paperwidth.empty()
3093             && !paperheight.empty()) {
3094                 // using a custom papersize
3095                 result = lyxrc.print_paper_dimension_flag;
3096                 result += ' ' + paperwidth;
3097                 result += ',' + paperheight;
3098         } else {
3099                 string const paper_option = paperSizeName(DVIPS);
3100                 if (!paper_option.empty() && (paper_option != "letter" ||
3101                     orientation != ORIENTATION_LANDSCAPE)) {
3102                         // dvips won't accept -t letter -t landscape.
3103                         // In all other cases, include the paper size
3104                         // explicitly.
3105                         result = lyxrc.print_paper_flag;
3106                         result += ' ' + paper_option;
3107                 }
3108         }
3109         if (orientation == ORIENTATION_LANDSCAPE &&
3110             papersize != PAPER_CUSTOM)
3111                 result += ' ' + lyxrc.print_landscape_flag;
3112         return result;
3113 }
3114
3115
3116 string const BufferParams::main_font_encoding() const
3117 {
3118         if (font_encodings().empty()) {
3119                 if (ascii_lowercase(language->fontenc(*this)) == "none")
3120                         return "none";
3121                 return "default";
3122         }
3123         return font_encodings().back();
3124 }
3125
3126
3127 vector<string> const BufferParams::font_encodings() const
3128 {
3129         string doc_fontenc = (fontenc == "auto") ? string() : fontenc;
3130
3131         vector<string> fontencs;
3132
3133         // "default" means "no explicit font encoding"
3134         if (doc_fontenc != "default") {
3135                 if (!doc_fontenc.empty())
3136                         // If we have a custom setting, we use only that!
3137                         return getVectorFromString(doc_fontenc);
3138                 if (!language->fontenc(*this).empty()
3139                     && ascii_lowercase(language->fontenc(*this)) != "none") {
3140                         vector<string> fencs = getVectorFromString(language->fontenc(*this));
3141                         for (auto & fe : fencs) {
3142                                 if (find(fontencs.begin(), fontencs.end(), fe) == fontencs.end())
3143                                         fontencs.push_back(fe);
3144                         }
3145                 }
3146         }
3147
3148         return fontencs;
3149 }
3150
3151
3152 string BufferParams::babelCall(string const & lang_opts, bool const langoptions) const
3153 {
3154         // suppress the babel call if there is no BabelName defined
3155         // for the document language in the lib/languages file and if no
3156         // other languages are used (lang_opts is then empty)
3157         if (lang_opts.empty())
3158                 return string();
3159         // The prefs may require the languages to
3160         // be submitted to babel itself (not the class).
3161         if (langoptions)
3162                 return "\\usepackage[" + lang_opts + "]{babel}";
3163         return "\\usepackage{babel}";
3164 }
3165
3166
3167 docstring BufferParams::getGraphicsDriver(string const & package) const
3168 {
3169         docstring result;
3170
3171         if (package == "geometry") {
3172                 if (graphics_driver == "dvips"
3173                     || graphics_driver == "dvipdfm"
3174                     || graphics_driver == "pdftex"
3175                     || graphics_driver == "vtex")
3176                         result = from_ascii(graphics_driver);
3177                 else if (graphics_driver == "dvipdfmx")
3178                         result = from_ascii("dvipdfm");
3179         }
3180
3181         return result;
3182 }
3183
3184
3185 void BufferParams::writeEncodingPreamble(otexstream & os,
3186                                          LaTeXFeatures & features) const
3187 {
3188         // With no-TeX fonts we use utf8-plain without encoding package.
3189         if (useNonTeXFonts)
3190                 return;
3191
3192         if (inputenc == "auto-legacy") {
3193                 string const doc_encoding =
3194                         language->encoding()->latexName();
3195                 Encoding::Package const package =
3196                         language->encoding()->package();
3197
3198                 // Create list of inputenc options:
3199                 set<string> encoding_set;
3200                 // luainputenc fails with more than one encoding
3201                 if (features.runparams().flavor != OutputParams::LUATEX
3202                         && features.runparams().flavor != OutputParams::DVILUATEX)
3203                         // list all input encodings used in the document
3204                         encoding_set = features.getEncodingSet(doc_encoding);
3205
3206                 // The "japanese" babel-language requires  the pLaTeX engine
3207                 // which conflicts with "inputenc".
3208                 // See http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129680.html
3209                 if ((!encoding_set.empty() || package == Encoding::inputenc)
3210                     && !features.isRequired("japanese")
3211                     && !features.isProvided("inputenc")) {
3212                         os << "\\usepackage[";
3213                         set<string>::const_iterator it = encoding_set.begin();
3214                         set<string>::const_iterator const end = encoding_set.end();
3215                         if (it != end) {
3216                                 os << from_ascii(*it);
3217                                 ++it;
3218                         }
3219                         for (; it != end; ++it)
3220                                 os << ',' << from_ascii(*it);
3221                         if (package == Encoding::inputenc) {
3222                                 if (!encoding_set.empty())
3223                                         os << ',';
3224                                 os << from_ascii(doc_encoding);
3225                         }
3226                         if (features.runparams().flavor == OutputParams::LUATEX
3227                             || features.runparams().flavor == OutputParams::DVILUATEX)
3228                                 os << "]{luainputenc}\n";
3229                         else
3230                                 os << "]{inputenc}\n";
3231                 }
3232         } else if (inputenc != "auto-legacy-plain") {
3233                 switch (encoding().package()) {
3234                 case Encoding::none:
3235                 case Encoding::CJK:
3236                 case Encoding::japanese:
3237                         if (encoding().iconvName() != "UTF-8"
3238                                 && !features.runparams().isFullUnicode())
3239                           // don't default to [utf8]{inputenc} with TeXLive >= 18
3240                           os << "\\ifdefined\\UseRawInputEncoding\n"
3241                                  << "  \\UseRawInputEncoding\\fi\n";
3242                         break;
3243                 case Encoding::inputenc:
3244                         // do not load inputenc if japanese is used
3245                         // or if the class provides inputenc
3246                         if (features.isRequired("japanese")
3247                             || features.isProvided("inputenc"))
3248                                 break;
3249                         os << "\\usepackage[" << from_ascii(encoding().latexName());
3250                         if (features.runparams().flavor == OutputParams::LUATEX
3251                             || features.runparams().flavor == OutputParams::DVILUATEX)
3252                                 os << "]{luainputenc}\n";
3253                         else
3254                                 os << "]{inputenc}\n";
3255                         break;
3256                 }
3257         }
3258         if (inputenc == "auto-legacy-plain" || features.isRequired("japanese")) {
3259                 // don't default to [utf8]{inputenc} with TeXLive >= 18
3260                 os << "\\ifdefined\\UseRawInputEncoding\n";
3261                 os << "  \\UseRawInputEncoding\\fi\n";
3262         }
3263 }
3264
3265
3266 string const BufferParams::parseFontName(string const & name) const
3267 {
3268         string mangled = name;
3269         size_t const idx = mangled.find('[');
3270         if (idx == string::npos || idx == 0)
3271                 return mangled;
3272         else
3273                 return mangled.substr(0, idx - 1);
3274 }
3275
3276
3277 string const BufferParams::loadFonts(LaTeXFeatures & features) const
3278 {
3279         if (fontsRoman() == "default" && fontsSans() == "default"
3280             && fontsTypewriter() == "default"
3281             && (fontsMath() == "default" || fontsMath() == "auto"))
3282                 //nothing to do
3283                 return string();
3284
3285         ostringstream os;
3286
3287         /* Fontspec (XeTeX, LuaTeX): we provide GUI support for oldstyle
3288          * numbers (Numbers=OldStyle) and sf/tt scaling. The Ligatures=TeX/
3289          * Mapping=tex-text option assures TeX ligatures (such as "--")
3290          * are resolved. Note that tt does not use these ligatures.
3291          * TODO:
3292          *    -- add more GUI options?
3293          *    -- add more fonts (fonts for other scripts)
3294          *    -- if there's a way to find out if a font really supports
3295          *       OldStyle, enable/disable the widget accordingly.
3296         */
3297         if (useNonTeXFonts && features.isAvailable("fontspec")) {
3298                 // "Mapping=tex-text" and "Ligatures=TeX" are equivalent.
3299                 // However, until v.2 (2010/07/11) fontspec only knew
3300                 // Mapping=tex-text (for XeTeX only); then "Ligatures=TeX"
3301                 // was introduced for both XeTeX and LuaTeX (LuaTeX
3302                 // didn't understand "Mapping=tex-text", while XeTeX
3303                 // understood both. With most recent versions, both
3304                 // variants are understood by both engines. However,
3305                 // we want to provide support for at least TeXLive 2009
3306                 // (for XeTeX; LuaTeX is only supported as of v.2)
3307                 // As of 2017/11/03, Babel has its own higher-level
3308                 // interface on top of fontspec that is to be used.
3309                 bool const babelfonts = features.useBabel()
3310                                 && features.isAvailable("babel-2017/11/03");
3311                 string const texmapping =
3312                         (features.runparams().flavor == OutputParams::XETEX) ?
3313                         "Mapping=tex-text" : "Ligatures=TeX";
3314                 if (fontsRoman() != "default") {
3315                         if (babelfonts)
3316                                 os << "\\babelfont{rm}[";
3317                         else
3318                                 os << "\\setmainfont[";
3319                         if (!font_roman_opts.empty())
3320                                 os << font_roman_opts << ',';
3321                         os << texmapping;
3322                         if (fonts_roman_osf)
3323                                 os << ",Numbers=OldStyle";
3324                         os << "]{" << parseFontName(fontsRoman()) << "}\n";
3325                 }
3326                 if (fontsSans() != "default") {
3327                         string const sans = parseFontName(fontsSans());
3328                         if (fontsSansScale() != 100) {
3329                                 if (babelfonts)
3330                                         os << "\\babelfont{sf}";
3331                                 else
3332                                         os << "\\setsansfont";
3333                                 os << "[Scale="
3334                                    << float(fontsSansScale()) / 100 << ',';
3335                                 if (fonts_sans_osf)
3336                                         os << "Numbers=OldStyle,";
3337                                 if (!font_sans_opts.empty())
3338                                         os << font_sans_opts << ',';
3339                                 os << texmapping << "]{"
3340                                    << sans << "}\n";
3341                         } else {
3342                                 if (babelfonts)
3343                                         os << "\\babelfont{sf}[";
3344                                 else
3345                                         os << "\\setsansfont[";
3346                                 if (fonts_sans_osf)
3347                                         os << "Numbers=OldStyle,";
3348                                 if (!font_sans_opts.empty())
3349                                         os << font_sans_opts << ',';
3350                                 os << texmapping << "]{"
3351                                    << sans << "}\n";
3352                         }
3353                 }
3354                 if (fontsTypewriter() != "default") {
3355                         string const mono = parseFontName(fontsTypewriter());
3356                         if (fontsTypewriterScale() != 100) {
3357                                 if (babelfonts)
3358                                         os << "\\babelfont{tt}";
3359                                 else
3360                                         os << "\\setmonofont";
3361                                 os << "[Scale="
3362                                    << float(fontsTypewriterScale()) / 100;
3363                                 if (fonts_typewriter_osf)
3364                                         os << ",Numbers=OldStyle";
3365                                 if (!font_typewriter_opts.empty())
3366                                         os << ',' << font_typewriter_opts;
3367                                 os << "]{"
3368                                    << mono << "}\n";
3369                         } else {
3370                                 if (babelfonts)
3371                                         os << "\\babelfont{tt}";
3372                                 else
3373                                         os << "\\setmonofont";
3374                                 if (!font_typewriter_opts.empty() || fonts_typewriter_osf) {
3375                                         os << '[';
3376                                         if (fonts_typewriter_osf)
3377                                                 os << "Numbers=OldStyle";
3378                                         if (!font_typewriter_opts.empty()) {
3379                                                 if (fonts_typewriter_osf)
3380                                                         os << ',';
3381                                                 os << font_typewriter_opts;
3382                                         }
3383                                         os << ']';
3384                                 }
3385                                 os << '{' << mono << "}\n";
3386                         }
3387                 }
3388                 return os.str();
3389         }
3390
3391         // Tex Fonts
3392         bool const ot1 = (main_font_encoding() == "default" || main_font_encoding() == "OT1");
3393         bool const dryrun = features.runparams().dryrun;
3394         bool const complete = (fontsSans() == "default" && fontsTypewriter() == "default");
3395         bool const nomath = (fontsMath() == "default");
3396
3397         // ROMAN FONTS
3398         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsRoman())).getLaTeXCode(
3399                 dryrun, ot1, complete, fonts_expert_sc, fonts_roman_osf,
3400                 nomath, font_roman_opts);
3401
3402         // SANS SERIF
3403         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsSans())).getLaTeXCode(
3404                 dryrun, ot1, complete, fonts_expert_sc, fonts_sans_osf,
3405                 nomath, font_sans_opts, fontsSansScale());
3406
3407         // MONOSPACED/TYPEWRITER
3408         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsTypewriter())).getLaTeXCode(
3409                 dryrun, ot1, complete, fonts_expert_sc, fonts_typewriter_osf,
3410                 nomath, font_typewriter_opts, fontsTypewriterScale());
3411
3412         // MATH
3413         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsMath())).getLaTeXCode(
3414                 dryrun, ot1, complete, fonts_expert_sc, fonts_roman_osf,
3415                 nomath);
3416
3417         return os.str();
3418 }
3419
3420
3421 Encoding const & BufferParams::encoding() const
3422 {
3423         // Main encoding for LaTeX output.
3424         if (useNonTeXFonts)
3425                 return *(encodings.fromLyXName("utf8-plain"));
3426         if (inputenc == "auto-legacy" || inputenc == "auto-legacy-plain")
3427                 return *language->encoding();
3428         if (inputenc == "utf8" && language->lang() == "japanese")
3429                 return *(encodings.fromLyXName("utf8-platex"));
3430         Encoding const * const enc = encodings.fromLyXName(inputenc);
3431         if (enc)
3432                 return *enc;
3433         LYXERR0("Unknown inputenc value `" << inputenc
3434                << "'. Using `auto' instead.");
3435         return *language->encoding();
3436 }
3437
3438
3439 string const & BufferParams::defaultBiblioStyle() const
3440 {
3441         if (!biblio_style.empty())
3442                 return biblio_style;
3443
3444         map<string, string> const & bs = documentClass().defaultBiblioStyle();
3445         auto cit = bs.find(theCiteEnginesList.getTypeAsString(citeEngineType()));
3446         if (cit != bs.end())
3447                 return cit->second;
3448         else
3449                 return empty_string();
3450 }
3451
3452
3453 bool const & BufferParams::fullAuthorList() const
3454 {
3455         return documentClass().fullAuthorList();
3456 }
3457
3458
3459 string BufferParams::getCiteAlias(string const & s) const
3460 {
3461         vector<string> commands =
3462                 documentClass().citeCommands(citeEngineType());
3463         // If it is a real command, don't treat it as an alias
3464         if (find(commands.begin(), commands.end(), s) != commands.end())
3465                 return string();
3466         map<string,string> aliases = documentClass().citeCommandAliases();
3467         if (aliases.find(s) != aliases.end())
3468                 return aliases[s];
3469         return string();
3470 }
3471
3472
3473 vector<string> BufferParams::citeCommands() const
3474 {
3475         static CitationStyle const default_style;
3476         vector<string> commands =
3477                 documentClass().citeCommands(citeEngineType());
3478         if (commands.empty())
3479                 commands.push_back(default_style.name);
3480         return commands;
3481 }
3482
3483
3484 vector<CitationStyle> BufferParams::citeStyles() const
3485 {
3486         static CitationStyle const default_style;
3487         vector<CitationStyle> styles =
3488                 documentClass().citeStyles(citeEngineType());
3489         if (styles.empty())
3490                 styles.push_back(default_style);
3491         return styles;
3492 }
3493
3494
3495 string const BufferParams::bibtexCommand() const
3496 {
3497         // Return document-specific setting if available
3498         if (bibtex_command != "default")
3499                 return bibtex_command;
3500
3501         // If we have "default" in document settings, consult the prefs
3502         // 1. Japanese (uses a specific processor)
3503         if (encoding().package() == Encoding::japanese) {
3504                 if (lyxrc.jbibtex_command != "automatic")
3505                         // Return the specified program, if "automatic" is not set
3506                         return lyxrc.jbibtex_command;
3507                 else if (!useBiblatex()) {
3508                         // With classic BibTeX, return pbibtex, jbibtex, bibtex
3509                         if (lyxrc.jbibtex_alternatives.find("pbibtex") != lyxrc.jbibtex_alternatives.end())
3510                                 return "pbibtex";
3511                         if (lyxrc.jbibtex_alternatives.find("jbibtex") != lyxrc.jbibtex_alternatives.end())
3512                                 return "jbibtex";
3513                         return "bibtex";
3514                 }
3515         }
3516         // 2. All other languages
3517         else if (lyxrc.bibtex_command != "automatic")
3518                 // Return the specified program, if "automatic" is not set
3519                 return lyxrc.bibtex_command;
3520
3521         // 3. Automatic: find the most suitable for the current cite framework
3522         if (useBiblatex()) {
3523                 // For Biblatex, we prefer biber (also for Japanese)
3524                 // and fall back to bibtex8 and, as last resort, bibtex
3525                 if (lyxrc.bibtex_alternatives.find("biber") != lyxrc.bibtex_alternatives.end())
3526                         return "biber";
3527                 else if (lyxrc.bibtex_alternatives.find("bibtex8") != lyxrc.bibtex_alternatives.end())
3528                         return "bibtex8";
3529         }
3530         return "bibtex";
3531 }
3532
3533
3534 bool BufferParams::useBiblatex() const
3535 {
3536         return theCiteEnginesList[citeEngine()]->getCiteFramework() == "biblatex";
3537 }
3538
3539
3540 void BufferParams::invalidateConverterCache() const
3541 {
3542         pimpl_->isExportCacheValid = false;
3543         pimpl_->isViewCacheValid = false;
3544 }
3545
3546
3547 // We shouldn't need to reset the params here, since anything
3548 // we need will be recopied.
3549 void BufferParams::copyForAdvFR(const BufferParams & bp)
3550 {
3551         string const & lang = bp.language->lang();
3552         setLanguage(lang);
3553         layout_modules_ = bp.layout_modules_;
3554         string const & doc_class = bp.documentClass().name();
3555         setBaseClass(doc_class);
3556 }
3557
3558
3559 void BufferParams::setBibFileEncoding(string const & file, string const & enc)
3560 {
3561         bib_encodings[file] = enc;
3562 }
3563
3564
3565 string const BufferParams::bibFileEncoding(string const & file) const
3566 {
3567         if (bib_encodings.find(file) == bib_encodings.end())
3568                 return string();
3569         return bib_encodings.find(file)->second;
3570 }
3571
3572
3573
3574 } // namespace lyx