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[features.git] / 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 "Color.h"
27 #include "ColorSet.h"
28 #include "Converter.h"
29 #include "Encoding.h"
30 #include "HSpace.h"
31 #include "IndicesList.h"
32 #include "Language.h"
33 #include "LaTeXFeatures.h"
34 #include "LaTeXFonts.h"
35 #include "ModuleList.h"
36 #include "Font.h"
37 #include "Lexer.h"
38 #include "LyXRC.h"
39 #include "OutputParams.h"
40 #include "Spacing.h"
41 #include "TexRow.h"
42 #include "VSpace.h"
43 #include "PDFOptions.h"
44
45 #include "frontends/alert.h"
46
47 #include "insets/InsetListingsParams.h"
48
49 #include "support/convert.h"
50 #include "support/debug.h"
51 #include "support/docstream.h"
52 #include "support/FileName.h"
53 #include "support/filetools.h"
54 #include "support/gettext.h"
55 #include "support/Messages.h"
56 #include "support/mutex.h"
57 #include "support/Package.h"
58 #include "support/Translator.h"
59 #include "support/lstrings.h"
60
61 #include <algorithm>
62 #include <sstream>
63
64 using namespace std;
65 using namespace lyx::support;
66
67
68 static char const * const string_paragraph_separation[] = {
69         "indent", "skip", ""
70 };
71
72
73 static char const * const string_quotes_language[] = {
74         "english", "swedish", "german", "polish", "french", "danish", ""
75 };
76
77
78 static char const * const string_papersize[] = {
79         "default", "custom", "letterpaper", "legalpaper", "executivepaper",
80         "a0paper", "a1paper", "a2paper", "a3paper",     "a4paper", "a5paper",
81         "a6paper", "b0paper", "b1paper", "b2paper","b3paper", "b4paper",
82         "b5paper", "b6paper", "c0paper", "c1paper", "c2paper", "c3paper",
83         "c4paper", "c5paper", "c6paper", "b0j", "b1j", "b2j", "b3j", "b4j", "b5j",
84         "b6j", ""
85 };
86
87
88 static char const * const string_orientation[] = {
89         "portrait", "landscape", ""
90 };
91
92
93 static char const * const tex_graphics[] = {
94         "default", "dvialw", "dvilaser", "dvipdf", "dvipdfm", "dvipdfmx",
95         "dvips", "dvipsone", "dvitops", "dviwin", "dviwindo", "dvi2ps", "emtex",
96         "ln", "oztex", "pctexhp", "pctexps", "pctexwin", "pctex32", "pdftex",
97         "psprint", "pubps", "tcidvi", "textures", "truetex", "vtex", "xdvi",
98         "xetex", "none", ""
99 };
100
101
102
103 namespace lyx {
104
105 // Local translators
106 namespace {
107
108 // Paragraph separation
109 typedef Translator<string, BufferParams::ParagraphSeparation> ParSepTranslator;
110
111
112 ParSepTranslator const init_parseptranslator()
113 {
114         ParSepTranslator translator
115                 (string_paragraph_separation[0], BufferParams::ParagraphIndentSeparation);
116         translator.addPair(string_paragraph_separation[1], BufferParams::ParagraphSkipSeparation);
117         return translator;
118 }
119
120
121 ParSepTranslator const & parseptranslator()
122 {
123         static ParSepTranslator const translator =
124                 init_parseptranslator();
125         return translator;
126 }
127
128
129 // Quotes language
130 typedef Translator<string, InsetQuotes::QuoteLanguage> QuotesLangTranslator;
131
132
133 QuotesLangTranslator const init_quoteslangtranslator()
134 {
135         QuotesLangTranslator translator
136                 (string_quotes_language[0], InsetQuotes::EnglishQuotes);
137         translator.addPair(string_quotes_language[1], InsetQuotes::SwedishQuotes);
138         translator.addPair(string_quotes_language[2], InsetQuotes::GermanQuotes);
139         translator.addPair(string_quotes_language[3], InsetQuotes::PolishQuotes);
140         translator.addPair(string_quotes_language[4], InsetQuotes::FrenchQuotes);
141         translator.addPair(string_quotes_language[5], InsetQuotes::DanishQuotes);
142         return translator;
143 }
144
145
146 QuotesLangTranslator const & quoteslangtranslator()
147 {
148         static QuotesLangTranslator const translator =
149                 init_quoteslangtranslator();
150         return translator;
151 }
152
153
154 // Paper size
155 typedef Translator<string, PAPER_SIZE> PaperSizeTranslator;
156
157
158 static PaperSizeTranslator initPaperSizeTranslator()
159 {
160         PaperSizeTranslator translator(string_papersize[0], PAPER_DEFAULT);
161         translator.addPair(string_papersize[1], PAPER_CUSTOM);
162         translator.addPair(string_papersize[2], PAPER_USLETTER);
163         translator.addPair(string_papersize[3], PAPER_USLEGAL);
164         translator.addPair(string_papersize[4], PAPER_USEXECUTIVE);
165         translator.addPair(string_papersize[5], PAPER_A0);
166         translator.addPair(string_papersize[6], PAPER_A1);
167         translator.addPair(string_papersize[7], PAPER_A2);
168         translator.addPair(string_papersize[8], PAPER_A3);
169         translator.addPair(string_papersize[9], PAPER_A4);
170         translator.addPair(string_papersize[10], PAPER_A5);
171         translator.addPair(string_papersize[11], PAPER_A6);
172         translator.addPair(string_papersize[12], PAPER_B0);
173         translator.addPair(string_papersize[13], PAPER_B1);
174         translator.addPair(string_papersize[14], PAPER_B2);
175         translator.addPair(string_papersize[15], PAPER_B3);
176         translator.addPair(string_papersize[16], PAPER_B4);
177         translator.addPair(string_papersize[17], PAPER_B5);
178         translator.addPair(string_papersize[18], PAPER_B6);
179         translator.addPair(string_papersize[19], PAPER_C0);
180         translator.addPair(string_papersize[20], PAPER_C1);
181         translator.addPair(string_papersize[21], PAPER_C2);
182         translator.addPair(string_papersize[22], PAPER_C3);
183         translator.addPair(string_papersize[23], PAPER_C4);
184         translator.addPair(string_papersize[24], PAPER_C5);
185         translator.addPair(string_papersize[25], PAPER_C6);
186         translator.addPair(string_papersize[26], PAPER_JISB0);
187         translator.addPair(string_papersize[27], PAPER_JISB1);
188         translator.addPair(string_papersize[28], PAPER_JISB2);
189         translator.addPair(string_papersize[29], PAPER_JISB3);
190         translator.addPair(string_papersize[30], PAPER_JISB4);
191         translator.addPair(string_papersize[31], PAPER_JISB5);
192         translator.addPair(string_papersize[32], PAPER_JISB6);
193         return translator;
194 }
195
196
197 PaperSizeTranslator const & papersizetranslator()
198 {
199         static PaperSizeTranslator const translator =
200                 initPaperSizeTranslator();
201         return translator;
202 }
203
204
205 // Paper orientation
206 typedef Translator<string, PAPER_ORIENTATION> PaperOrientationTranslator;
207
208
209 PaperOrientationTranslator const init_paperorientationtranslator()
210 {
211         PaperOrientationTranslator translator(string_orientation[0], ORIENTATION_PORTRAIT);
212         translator.addPair(string_orientation[1], ORIENTATION_LANDSCAPE);
213         return translator;
214 }
215
216
217 PaperOrientationTranslator const & paperorientationtranslator()
218 {
219         static PaperOrientationTranslator const translator =
220             init_paperorientationtranslator();
221         return translator;
222 }
223
224
225 // Page sides
226 typedef Translator<int, PageSides> SidesTranslator;
227
228
229 SidesTranslator const init_sidestranslator()
230 {
231         SidesTranslator translator(1, OneSide);
232         translator.addPair(2, TwoSides);
233         return translator;
234 }
235
236
237 SidesTranslator const & sidestranslator()
238 {
239         static SidesTranslator const translator = init_sidestranslator();
240         return translator;
241 }
242
243
244 // LaTeX packages
245 typedef Translator<int, BufferParams::Package> PackageTranslator;
246
247
248 PackageTranslator const init_packagetranslator()
249 {
250         PackageTranslator translator(0, BufferParams::package_off);
251         translator.addPair(1, BufferParams::package_auto);
252         translator.addPair(2, BufferParams::package_on);
253         return translator;
254 }
255
256
257 PackageTranslator const & packagetranslator()
258 {
259         static PackageTranslator const translator =
260                 init_packagetranslator();
261         return translator;
262 }
263
264
265 // Cite engine
266 typedef Translator<string, CiteEngineType> CiteEngineTypeTranslator;
267
268
269 CiteEngineTypeTranslator const init_citeenginetypetranslator()
270 {
271         CiteEngineTypeTranslator translator("authoryear", ENGINE_TYPE_AUTHORYEAR);
272         translator.addPair("numerical", ENGINE_TYPE_NUMERICAL);
273         translator.addPair("default", ENGINE_TYPE_DEFAULT);
274         return translator;
275 }
276
277
278 CiteEngineTypeTranslator const & citeenginetypetranslator()
279 {
280         static CiteEngineTypeTranslator const translator =
281                 init_citeenginetypetranslator();
282         return translator;
283 }
284
285
286 // Spacing
287 typedef Translator<string, Spacing::Space> SpaceTranslator;
288
289
290 SpaceTranslator const init_spacetranslator()
291 {
292         SpaceTranslator translator("default", Spacing::Default);
293         translator.addPair("single", Spacing::Single);
294         translator.addPair("onehalf", Spacing::Onehalf);
295         translator.addPair("double", Spacing::Double);
296         translator.addPair("other", Spacing::Other);
297         return translator;
298 }
299
300
301 SpaceTranslator const & spacetranslator()
302 {
303         static SpaceTranslator const translator = init_spacetranslator();
304         return translator;
305 }
306
307 } // anon namespace
308
309
310 class BufferParams::Impl
311 {
312 public:
313         Impl();
314
315         AuthorList authorlist;
316         BranchList branchlist;
317         Bullet temp_bullets[4];
318         Bullet user_defined_bullets[4];
319         IndicesList indiceslist;
320         Spacing spacing;
321         /** This is the amount of space used for paragraph_separation "skip",
322          * and for detached paragraphs in "indented" documents.
323          */
324         HSpace indentation;
325         VSpace defskip;
326         PDFOptions pdfoptions;
327         LayoutFileIndex baseClass_;
328 };
329
330
331 BufferParams::Impl::Impl()
332         : defskip(VSpace::MEDSKIP), baseClass_(string(""))
333 {
334         // set initial author
335         // FIXME UNICODE
336         authorlist.record(Author(from_utf8(lyxrc.user_name), from_utf8(lyxrc.user_email)));
337 }
338
339
340 BufferParams::Impl *
341 BufferParams::MemoryTraits::clone(BufferParams::Impl const * ptr)
342 {
343         LBUFERR(ptr);
344         return new BufferParams::Impl(*ptr);
345 }
346
347
348 void BufferParams::MemoryTraits::destroy(BufferParams::Impl * ptr)
349 {
350         delete ptr;
351 }
352
353
354 BufferParams::BufferParams()
355         : pimpl_(new Impl)
356 {
357         setBaseClass(defaultBaseclass());
358         makeDocumentClass();
359         paragraph_separation = ParagraphIndentSeparation;
360         quotes_language = InsetQuotes::EnglishQuotes;
361         fontsize = "default";
362
363         /*  PaperLayout */
364         papersize = PAPER_DEFAULT;
365         orientation = ORIENTATION_PORTRAIT;
366         use_geometry = false;
367         cite_engine_.push_back("basic");
368         cite_engine_type_ = ENGINE_TYPE_DEFAULT;
369         biblio_style = "plain";
370         use_bibtopic = false;
371         use_indices = false;
372         track_changes = false;
373         output_changes = false;
374         use_default_options = true;
375         maintain_unincluded_children = false;
376         secnumdepth = 3;
377         tocdepth = 3;
378         language = default_language;
379         fontenc = "global";
380         fonts_roman = "default";
381         fonts_sans = "default";
382         fonts_typewriter = "default";
383         fonts_math = "auto";
384         fonts_default_family = "default";
385         useNonTeXFonts = false;
386         fonts_expert_sc = false;
387         fonts_old_figures = false;
388         fonts_sans_scale = 100;
389         fonts_typewriter_scale = 100;
390         inputenc = "auto";
391         lang_package = "default";
392         graphics_driver = "default";
393         default_output_format = "default";
394         bibtex_command = "default";
395         index_command = "default";
396         sides = OneSide;
397         columns = 1;
398         listings_params = string();
399         pagestyle = "default";
400         suppress_date = false;
401         justification = true;
402         // no color is the default (white)
403         backgroundcolor = lyx::rgbFromHexName("#ffffff");
404         isbackgroundcolor = false;
405         // no color is the default (black)
406         fontcolor = lyx::rgbFromHexName("#000000");
407         isfontcolor = false;
408         // light gray is the default font color for greyed-out notes
409         notefontcolor = lyx::rgbFromHexName("#cccccc");
410         boxbgcolor = lyx::rgbFromHexName("#ff0000");
411         compressed = lyxrc.save_compressed;
412         for (int iter = 0; iter < 4; ++iter) {
413                 user_defined_bullet(iter) = ITEMIZE_DEFAULTS[iter];
414                 temp_bullet(iter) = ITEMIZE_DEFAULTS[iter];
415         }
416         // default index
417         indiceslist().addDefault(B_("Index"));
418         html_be_strict = false;
419         html_math_output = MathML;
420         html_math_img_scale = 1.0;
421         html_css_as_file = false;
422         display_pixel_ratio = 1.0;
423
424         output_sync = false;
425         use_refstyle = true;
426 }
427
428
429 docstring BufferParams::B_(string const & l10n) const
430 {
431         LASSERT(language, return from_utf8(l10n));
432         return getMessages(language->code()).get(l10n);
433 }
434
435
436 BufferParams::Package BufferParams::use_package(std::string const & p) const
437 {
438         PackageMap::const_iterator it = use_packages.find(p);
439         if (it == use_packages.end())
440                 return package_auto;
441         return it->second;
442 }
443
444
445 void BufferParams::use_package(std::string const & p, BufferParams::Package u)
446 {
447         use_packages[p] = u;
448 }
449
450
451 map<string, string> const & BufferParams::auto_packages()
452 {
453         static map<string, string> packages;
454         if (packages.empty()) {
455                 // We could have a race condition here that two threads
456                 // discover an empty map at the same time and want to fill
457                 // it, but that is no problem, since the same contents is
458                 // filled in twice then. Having the locker inside the
459                 // packages.empty() condition has the advantage that we
460                 // don't need the mutex overhead for simple reading.
461                 static Mutex mutex;
462                 Mutex::Locker locker(&mutex);
463                 // adding a package here implies a file format change!
464                 packages["amsmath"] =
465                         N_("The LaTeX package amsmath is only used if AMS formula types or symbols from the AMS math toolbars are inserted into formulas");
466                 packages["amssymb"] =
467                         N_("The LaTeX package amssymb is only used if symbols from the AMS math toolbars are inserted into formulas");
468                 packages["cancel"] =
469                         N_("The LaTeX package cancel is only used if \\cancel commands are used in formulas");
470                 packages["esint"] =
471                         N_("The LaTeX package esint is only used if special integral symbols are inserted into formulas");
472                 packages["mathdots"] =
473                         N_("The LaTeX package mathdots is only used if the command \\iddots is inserted into formulas");
474                 packages["mathtools"] =
475                         N_("The LaTeX package mathtools is only used if some mathematical relations are inserted into formulas");
476                 packages["mhchem"] =
477                         N_("The LaTeX package mhchem is only used if either the command \\ce or \\cf is inserted into formulas");
478                 packages["stackrel"] =
479                         N_("The LaTeX package stackrel is only used if the command \\stackrel with subscript is inserted into formulas");
480                 packages["stmaryrd"] =
481                         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");
482                 packages["undertilde"] =
483                         N_("The LaTeX package undertilde is only used if you use the math frame decoration 'utilde'");
484         }
485         return packages;
486 }
487
488
489 AuthorList & BufferParams::authors()
490 {
491         return pimpl_->authorlist;
492 }
493
494
495 AuthorList const & BufferParams::authors() const
496 {
497         return pimpl_->authorlist;
498 }
499
500
501 BranchList & BufferParams::branchlist()
502 {
503         return pimpl_->branchlist;
504 }
505
506
507 BranchList const & BufferParams::branchlist() const
508 {
509         return pimpl_->branchlist;
510 }
511
512
513 IndicesList & BufferParams::indiceslist()
514 {
515         return pimpl_->indiceslist;
516 }
517
518
519 IndicesList const & BufferParams::indiceslist() const
520 {
521         return pimpl_->indiceslist;
522 }
523
524
525 Bullet & BufferParams::temp_bullet(lyx::size_type const index)
526 {
527         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
528         return pimpl_->temp_bullets[index];
529 }
530
531
532 Bullet const & BufferParams::temp_bullet(lyx::size_type const index) const
533 {
534         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
535         return pimpl_->temp_bullets[index];
536 }
537
538
539 Bullet & BufferParams::user_defined_bullet(lyx::size_type const index)
540 {
541         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
542         return pimpl_->user_defined_bullets[index];
543 }
544
545
546 Bullet const & BufferParams::user_defined_bullet(lyx::size_type const index) const
547 {
548         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
549         return pimpl_->user_defined_bullets[index];
550 }
551
552
553 Spacing & BufferParams::spacing()
554 {
555         return pimpl_->spacing;
556 }
557
558
559 Spacing const & BufferParams::spacing() const
560 {
561         return pimpl_->spacing;
562 }
563
564
565 PDFOptions & BufferParams::pdfoptions()
566 {
567         return pimpl_->pdfoptions;
568 }
569
570
571 PDFOptions const & BufferParams::pdfoptions() const
572 {
573         return pimpl_->pdfoptions;
574 }
575
576
577 HSpace const & BufferParams::getIndentation() const
578 {
579         return pimpl_->indentation;
580 }
581
582
583 void BufferParams::setIndentation(HSpace const & indent)
584 {
585         pimpl_->indentation = indent;
586 }
587
588
589 VSpace const & BufferParams::getDefSkip() const
590 {
591         return pimpl_->defskip;
592 }
593
594
595 void BufferParams::setDefSkip(VSpace const & vs)
596 {
597         // DEFSKIP will cause an infinite loop
598         LASSERT(vs.kind() != VSpace::DEFSKIP, return);
599         pimpl_->defskip = vs;
600 }
601
602
603 string BufferParams::readToken(Lexer & lex, string const & token,
604         FileName const & filepath)
605 {
606         string result;
607
608         if (token == "\\textclass") {
609                 lex.next();
610                 string const classname = lex.getString();
611                 // if there exists a local layout file, ignore the system one
612                 // NOTE: in this case, the textclass (.cls file) is assumed to
613                 // be available.
614                 string tcp;
615                 LayoutFileList & bcl = LayoutFileList::get();
616                 if (!filepath.empty()) {
617                         // If classname is an absolute path, the document is
618                         // using a local layout file which could not be accessed
619                         // by a relative path. In this case the path is correct
620                         // even if the document was moved to a different
621                         // location. However, we will have a problem if the
622                         // document was generated on a different platform.
623                         bool isabsolute = FileName::isAbsolute(classname);
624                         string const classpath = onlyPath(classname);
625                         string const path = isabsolute ? classpath
626                                 : FileName(addPath(filepath.absFileName(),
627                                                 classpath)).realPath();
628                         string const oldpath = isabsolute ? string()
629                                 : FileName(addPath(origin, classpath)).realPath();
630                         tcp = bcl.addLocalLayout(onlyFileName(classname), path, oldpath);
631                 }
632                 // that returns non-empty if a "local" layout file is found.
633                 if (!tcp.empty()) {
634                         result = to_utf8(makeRelPath(from_utf8(onlyPath(tcp)),
635                                                 from_utf8(filepath.absFileName())));
636                         if (result.empty())
637                                 result = ".";
638                         setBaseClass(onlyFileName(tcp));
639                 } else
640                         setBaseClass(onlyFileName(classname));
641                 // We assume that a tex class exists for local or unknown
642                 // layouts so this warning, will only be given for system layouts.
643                 if (!baseClass()->isTeXClassAvailable()) {
644                         docstring const desc =
645                                 translateIfPossible(from_utf8(baseClass()->description()));
646                         docstring const prereqs =
647                                 from_utf8(baseClass()->prerequisites());
648                         docstring const msg =
649                                 bformat(_("The selected document class\n"
650                                                  "\t%1$s\n"
651                                                  "requires external files that are not available.\n"
652                                                  "The document class can still be used, but the\n"
653                                                  "document cannot be compiled until the following\n"
654                                                  "prerequisites are installed:\n"
655                                                  "\t%2$s\n"
656                                                  "See section 3.1.2.2 (Class Availability) of the\n"
657                                                  "User's Guide for more information."), desc, prereqs);
658                         frontend::Alert::warning(_("Document class not available"),
659                                        msg, true);
660                 }
661         } else if (token == "\\origin") {
662                 lex.eatLine();
663                 origin = lex.getString();
664                 string const sysdirprefix = "/systemlyxdir/";
665                 if (prefixIs(origin, sysdirprefix)) {
666                         origin.replace(0, sysdirprefix.length() - 1,
667                                 package().system_support().absFileName());
668                 }
669         } else if (token == "\\begin_preamble") {
670                 readPreamble(lex);
671         } else if (token == "\\begin_local_layout") {
672                 readLocalLayout(lex, false);
673         } else if (token == "\\begin_forced_local_layout") {
674                 readLocalLayout(lex, true);
675         } else if (token == "\\begin_modules") {
676                 readModules(lex);
677         } else if (token == "\\begin_removed_modules") {
678                 readRemovedModules(lex);
679         } else if (token == "\\begin_includeonly") {
680                 readIncludeonly(lex);
681         } else if (token == "\\maintain_unincluded_children") {
682                 lex >> maintain_unincluded_children;
683         } else if (token == "\\options") {
684                 lex.eatLine();
685                 options = lex.getString();
686         } else if (token == "\\use_default_options") {
687                 lex >> use_default_options;
688         } else if (token == "\\master") {
689                 lex.eatLine();
690                 master = lex.getString();
691                 if (!filepath.empty() && FileName::isAbsolute(origin)) {
692                         bool const isabs = FileName::isAbsolute(master);
693                         FileName const abspath(isabs ? master : origin + master);
694                         bool const moved = filepath != FileName(origin);
695                         if (moved && abspath.exists()) {
696                                 docstring const path = isabs
697                                         ? from_utf8(master)
698                                         : from_utf8(abspath.realPath());
699                                 docstring const refpath =
700                                         from_utf8(filepath.absFileName());
701                                 master = to_utf8(makeRelPath(path, refpath));
702                         }
703                 }
704         } else if (token == "\\suppress_date") {
705                 lex >> suppress_date;
706         } else if (token == "\\justification") {
707                 lex >> justification;
708         } else if (token == "\\language") {
709                 readLanguage(lex);
710         } else if (token == "\\language_package") {
711                 lex.eatLine();
712                 lang_package = lex.getString();
713         } else if (token == "\\inputencoding") {
714                 lex >> inputenc;
715         } else if (token == "\\graphics") {
716                 readGraphicsDriver(lex);
717         } else if (token == "\\default_output_format") {
718                 lex >> default_output_format;
719         } else if (token == "\\bibtex_command") {
720                 lex.eatLine();
721                 bibtex_command = lex.getString();
722         } else if (token == "\\index_command") {
723                 lex.eatLine();
724                 index_command = lex.getString();
725         } else if (token == "\\fontencoding") {
726                 lex.eatLine();
727                 fontenc = lex.getString();
728         } else if (token == "\\font_roman") {
729                 lex.eatLine();
730                 fonts_roman = lex.getString();
731         } else if (token == "\\font_sans") {
732                 lex.eatLine();
733                 fonts_sans = lex.getString();
734         } else if (token == "\\font_typewriter") {
735                 lex.eatLine();
736                 fonts_typewriter = lex.getString();
737         } else if (token == "\\font_math") {
738                 lex.eatLine();
739                 fonts_math = lex.getString();
740         } else if (token == "\\font_default_family") {
741                 lex >> fonts_default_family;
742         } else if (token == "\\use_non_tex_fonts") {
743                 lex >> useNonTeXFonts;
744         } else if (token == "\\font_sc") {
745                 lex >> fonts_expert_sc;
746         } else if (token == "\\font_osf") {
747                 lex >> fonts_old_figures;
748         } else if (token == "\\font_sf_scale") {
749                 lex >> fonts_sans_scale;
750         } else if (token == "\\font_tt_scale") {
751                 lex >> fonts_typewriter_scale;
752         } else if (token == "\\font_cjk") {
753                 lex >> fonts_cjk;
754         } else if (token == "\\paragraph_separation") {
755                 string parsep;
756                 lex >> parsep;
757                 paragraph_separation = parseptranslator().find(parsep);
758         } else if (token == "\\paragraph_indentation") {
759                 lex.next();
760                 string indentation = lex.getString();
761                 pimpl_->indentation = HSpace(indentation);
762         } else if (token == "\\defskip") {
763                 lex.next();
764                 string const defskip = lex.getString();
765                 pimpl_->defskip = VSpace(defskip);
766                 if (pimpl_->defskip.kind() == VSpace::DEFSKIP)
767                         // that is invalid
768                         pimpl_->defskip = VSpace(VSpace::MEDSKIP);
769         } else if (token == "\\quotes_language") {
770                 string quotes_lang;
771                 lex >> quotes_lang;
772                 quotes_language = quoteslangtranslator().find(quotes_lang);
773         } else if (token == "\\papersize") {
774                 string ppsize;
775                 lex >> ppsize;
776                 papersize = papersizetranslator().find(ppsize);
777         } else if (token == "\\use_geometry") {
778                 lex >> use_geometry;
779         } else if (token == "\\use_package") {
780                 string package;
781                 int use;
782                 lex >> package;
783                 lex >> use;
784                 use_package(package, packagetranslator().find(use));
785         } else if (token == "\\cite_engine") {
786                 lex.eatLine();
787                 vector<string> engine = getVectorFromString(lex.getString());
788                 setCiteEngine(engine);
789         } else if (token == "\\cite_engine_type") {
790                 string engine_type;
791                 lex >> engine_type;
792                 cite_engine_type_ = citeenginetypetranslator().find(engine_type);
793         } else if (token == "\\biblio_style") {
794                 lex.eatLine();
795                 biblio_style = lex.getString();
796         } else if (token == "\\use_bibtopic") {
797                 lex >> use_bibtopic;
798         } else if (token == "\\use_indices") {
799                 lex >> use_indices;
800         } else if (token == "\\tracking_changes") {
801                 lex >> track_changes;
802         } else if (token == "\\output_changes") {
803                 lex >> output_changes;
804         } else if (token == "\\branch") {
805                 lex.eatLine();
806                 docstring branch = lex.getDocString();
807                 branchlist().add(branch);
808                 while (true) {
809                         lex.next();
810                         string const tok = lex.getString();
811                         if (tok == "\\end_branch")
812                                 break;
813                         Branch * branch_ptr = branchlist().find(branch);
814                         if (tok == "\\selected") {
815                                 lex.next();
816                                 if (branch_ptr)
817                                         branch_ptr->setSelected(lex.getInteger());
818                         }
819                         if (tok == "\\filename_suffix") {
820                                 lex.next();
821                                 if (branch_ptr)
822                                         branch_ptr->setFileNameSuffix(lex.getInteger());
823                         }
824                         if (tok == "\\color") {
825                                 lex.eatLine();
826                                 string color = lex.getString();
827                                 if (branch_ptr)
828                                         branch_ptr->setColor(color);
829                                 // Update also the Color table:
830                                 if (color == "none")
831                                         color = lcolor.getX11Name(Color_background);
832                                 // FIXME UNICODE
833                                 lcolor.setColor(to_utf8(branch), color);
834                         }
835                 }
836         } else if (token == "\\index") {
837                 lex.eatLine();
838                 docstring index = lex.getDocString();
839                 docstring shortcut;
840                 indiceslist().add(index);
841                 while (true) {
842                         lex.next();
843                         string const tok = lex.getString();
844                         if (tok == "\\end_index")
845                                 break;
846                         Index * index_ptr = indiceslist().find(index);
847                         if (tok == "\\shortcut") {
848                                 lex.next();
849                                 shortcut = lex.getDocString();
850                                 if (index_ptr)
851                                         index_ptr->setShortcut(shortcut);
852                         }
853                         if (tok == "\\color") {
854                                 lex.eatLine();
855                                 string color = lex.getString();
856                                 if (index_ptr)
857                                         index_ptr->setColor(color);
858                                 // Update also the Color table:
859                                 if (color == "none")
860                                         color = lcolor.getX11Name(Color_background);
861                                 // FIXME UNICODE
862                                 if (!shortcut.empty())
863                                         lcolor.setColor(to_utf8(shortcut), color);
864                         }
865                 }
866         } else if (token == "\\author") {
867                 lex.eatLine();
868                 istringstream ss(lex.getString());
869                 Author a;
870                 ss >> a;
871                 author_map[a.bufferId()] = pimpl_->authorlist.record(a);
872         } else if (token == "\\paperorientation") {
873                 string orient;
874                 lex >> orient;
875                 orientation = paperorientationtranslator().find(orient);
876         } else if (token == "\\backgroundcolor") {
877                 lex.eatLine();
878                 backgroundcolor = lyx::rgbFromHexName(lex.getString());
879                 isbackgroundcolor = true;
880         } else if (token == "\\fontcolor") {
881                 lex.eatLine();
882                 fontcolor = lyx::rgbFromHexName(lex.getString());
883                 isfontcolor = true;
884         } else if (token == "\\notefontcolor") {
885                 lex.eatLine();
886                 string color = lex.getString();
887                 notefontcolor = lyx::rgbFromHexName(color);
888                 lcolor.setColor("notefontcolor", color);
889         } else if (token == "\\boxbgcolor") {
890                 lex.eatLine();
891                 string color = lex.getString();
892                 boxbgcolor = lyx::rgbFromHexName(color);
893                 lcolor.setColor("boxbgcolor", color);
894         } else if (token == "\\paperwidth") {
895                 lex >> paperwidth;
896         } else if (token == "\\paperheight") {
897                 lex >> paperheight;
898         } else if (token == "\\leftmargin") {
899                 lex >> leftmargin;
900         } else if (token == "\\topmargin") {
901                 lex >> topmargin;
902         } else if (token == "\\rightmargin") {
903                 lex >> rightmargin;
904         } else if (token == "\\bottommargin") {
905                 lex >> bottommargin;
906         } else if (token == "\\headheight") {
907                 lex >> headheight;
908         } else if (token == "\\headsep") {
909                 lex >> headsep;
910         } else if (token == "\\footskip") {
911                 lex >> footskip;
912         } else if (token == "\\columnsep") {
913                 lex >> columnsep;
914         } else if (token == "\\paperfontsize") {
915                 lex >> fontsize;
916         } else if (token == "\\papercolumns") {
917                 lex >> columns;
918         } else if (token == "\\listings_params") {
919                 string par;
920                 lex >> par;
921                 listings_params = InsetListingsParams(par).params();
922         } else if (token == "\\papersides") {
923                 int psides;
924                 lex >> psides;
925                 sides = sidestranslator().find(psides);
926         } else if (token == "\\paperpagestyle") {
927                 lex >> pagestyle;
928         } else if (token == "\\bullet") {
929                 readBullets(lex);
930         } else if (token == "\\bulletLaTeX") {
931                 readBulletsLaTeX(lex);
932         } else if (token == "\\secnumdepth") {
933                 lex >> secnumdepth;
934         } else if (token == "\\tocdepth") {
935                 lex >> tocdepth;
936         } else if (token == "\\spacing") {
937                 string nspacing;
938                 lex >> nspacing;
939                 string tmp_val;
940                 if (nspacing == "other") {
941                         lex >> tmp_val;
942                 }
943                 spacing().set(spacetranslator().find(nspacing), tmp_val);
944         } else if (token == "\\float_placement") {
945                 lex >> float_placement;
946
947         } else if (prefixIs(token, "\\pdf_") || token == "\\use_hyperref") {
948                 string toktmp = pdfoptions().readToken(lex, token);
949                 if (!toktmp.empty()) {
950                         lyxerr << "PDFOptions::readToken(): Unknown token: " <<
951                                 toktmp << endl;
952                         return toktmp;
953                 }
954         } else if (token == "\\html_math_output") {
955                 int temp;
956                 lex >> temp;
957                 html_math_output = static_cast<MathOutput>(temp);
958         } else if (token == "\\html_be_strict") {
959                 lex >> html_be_strict;
960         } else if (token == "\\html_css_as_file") {
961                 lex >> html_css_as_file;
962         } else if (token == "\\html_math_img_scale") {
963                 lex >> html_math_img_scale;
964         } else if (token == "\\html_latex_start") {
965                 lex.eatLine();
966                 html_latex_start = lex.getString();
967         } else if (token == "\\html_latex_end") {
968                 lex.eatLine();
969                 html_latex_end = lex.getString();
970         } else if (token == "\\output_sync") {
971                 lex >> output_sync;
972         } else if (token == "\\output_sync_macro") {
973                 lex >> output_sync_macro;
974         } else if (token == "\\use_refstyle") {
975                 lex >> use_refstyle;
976         } else {
977                 lyxerr << "BufferParams::readToken(): Unknown token: " <<
978                         token << endl;
979                 return token;
980         }
981
982         return result;
983 }
984
985
986 void BufferParams::writeFile(ostream & os, Buffer const * buf) const
987 {
988         // The top of the file is written by the buffer.
989         // Prints out the buffer info into the .lyx file given by file
990
991         // the document directory
992         string filepath = buf->filePath();
993         string const sysdir = package().system_support().absFileName();
994         if (prefixIs(filepath, sysdir))
995                 filepath.replace(0, sysdir.length(), "/systemlyxdir/");
996         else if (!lyxrc.save_origin)
997                 filepath = "unavailable";
998         os << "\\origin " << filepath << '\n';
999
1000         // the textclass
1001         os << "\\textclass " << buf->includedFilePath(addName(buf->layoutPos(),
1002                                                 baseClass()->name()), "layout")
1003            << '\n';
1004
1005         // then the preamble
1006         if (!preamble.empty()) {
1007                 // remove '\n' from the end of preamble
1008                 string const tmppreamble = rtrim(preamble, "\n");
1009                 os << "\\begin_preamble\n"
1010                    << tmppreamble
1011                    << "\n\\end_preamble\n";
1012         }
1013
1014         // the options
1015         if (!options.empty()) {
1016                 os << "\\options " << options << '\n';
1017         }
1018
1019         // use the class options defined in the layout?
1020         os << "\\use_default_options "
1021            << convert<string>(use_default_options) << "\n";
1022
1023         // the master document
1024         if (!master.empty()) {
1025                 os << "\\master " << master << '\n';
1026         }
1027
1028         // removed modules
1029         if (!removed_modules_.empty()) {
1030                 os << "\\begin_removed_modules" << '\n';
1031                 list<string>::const_iterator it = removed_modules_.begin();
1032                 list<string>::const_iterator en = removed_modules_.end();
1033                 for (; it != en; ++it)
1034                         os << *it << '\n';
1035                 os << "\\end_removed_modules" << '\n';
1036         }
1037
1038         // the modules
1039         if (!layout_modules_.empty()) {
1040                 os << "\\begin_modules" << '\n';
1041                 LayoutModuleList::const_iterator it = layout_modules_.begin();
1042                 LayoutModuleList::const_iterator en = layout_modules_.end();
1043                 for (; it != en; ++it)
1044                         os << *it << '\n';
1045                 os << "\\end_modules" << '\n';
1046         }
1047
1048         // includeonly
1049         if (!included_children_.empty()) {
1050                 os << "\\begin_includeonly" << '\n';
1051                 list<string>::const_iterator it = included_children_.begin();
1052                 list<string>::const_iterator en = included_children_.end();
1053                 for (; it != en; ++it)
1054                         os << *it << '\n';
1055                 os << "\\end_includeonly" << '\n';
1056         }
1057         os << "\\maintain_unincluded_children "
1058            << convert<string>(maintain_unincluded_children) << '\n';
1059
1060         // local layout information
1061         string const local_layout = getLocalLayout(false);
1062         if (!local_layout.empty()) {
1063                 // remove '\n' from the end
1064                 string const tmplocal = rtrim(local_layout, "\n");
1065                 os << "\\begin_local_layout\n"
1066                    << tmplocal
1067                    << "\n\\end_local_layout\n";
1068         }
1069         string const forced_local_layout = getLocalLayout(true);
1070         if (!forced_local_layout.empty()) {
1071                 // remove '\n' from the end
1072                 string const tmplocal = rtrim(forced_local_layout, "\n");
1073                 os << "\\begin_forced_local_layout\n"
1074                    << tmplocal
1075                    << "\n\\end_forced_local_layout\n";
1076         }
1077
1078         // then the text parameters
1079         if (language != ignore_language)
1080                 os << "\\language " << language->lang() << '\n';
1081         os << "\\language_package " << lang_package
1082            << "\n\\inputencoding " << inputenc
1083            << "\n\\fontencoding " << fontenc
1084            << "\n\\font_roman " << fonts_roman
1085            << "\n\\font_sans " << fonts_sans
1086            << "\n\\font_typewriter " << fonts_typewriter
1087            << "\n\\font_math " << fonts_math
1088            << "\n\\font_default_family " << fonts_default_family
1089            << "\n\\use_non_tex_fonts " << convert<string>(useNonTeXFonts)
1090            << "\n\\font_sc " << convert<string>(fonts_expert_sc)
1091            << "\n\\font_osf " << convert<string>(fonts_old_figures)
1092            << "\n\\font_sf_scale " << fonts_sans_scale
1093            << "\n\\font_tt_scale " << fonts_typewriter_scale
1094            << '\n';
1095         if (!fonts_cjk.empty()) {
1096                 os << "\\font_cjk " << fonts_cjk << '\n';
1097         }
1098         os << "\\graphics " << graphics_driver << '\n';
1099         os << "\\default_output_format " << default_output_format << '\n';
1100         os << "\\output_sync " << output_sync << '\n';
1101         if (!output_sync_macro.empty())
1102                 os << "\\output_sync_macro \"" << output_sync_macro << "\"\n";
1103         os << "\\bibtex_command " << bibtex_command << '\n';
1104         os << "\\index_command " << index_command << '\n';
1105
1106         if (!float_placement.empty()) {
1107                 os << "\\float_placement " << float_placement << '\n';
1108         }
1109         os << "\\paperfontsize " << fontsize << '\n';
1110
1111         spacing().writeFile(os);
1112         pdfoptions().writeFile(os);
1113
1114         os << "\\papersize " << string_papersize[papersize]
1115            << "\n\\use_geometry " << convert<string>(use_geometry);
1116         map<string, string> const & packages = auto_packages();
1117         for (map<string, string>::const_iterator it = packages.begin();
1118              it != packages.end(); ++it)
1119                 os << "\n\\use_package " << it->first << ' '
1120                    << use_package(it->first);
1121
1122         os << "\n\\cite_engine ";
1123
1124         if (!cite_engine_.empty()) {
1125                 LayoutModuleList::const_iterator be = cite_engine_.begin();
1126                 LayoutModuleList::const_iterator en = cite_engine_.end();
1127                 for (LayoutModuleList::const_iterator it = be; it != en; ++it) {
1128                         if (it != be)
1129                                 os << ',';
1130                         os << *it;
1131                 }
1132         } else {
1133                 os << "basic";
1134         }
1135
1136         os << "\n\\cite_engine_type " << citeenginetypetranslator().find(cite_engine_type_)
1137            << "\n\\biblio_style " << biblio_style
1138            << "\n\\use_bibtopic " << convert<string>(use_bibtopic)
1139            << "\n\\use_indices " << convert<string>(use_indices)
1140            << "\n\\paperorientation " << string_orientation[orientation]
1141            << "\n\\suppress_date " << convert<string>(suppress_date)
1142            << "\n\\justification " << convert<string>(justification)
1143            << "\n\\use_refstyle " << use_refstyle
1144            << '\n';
1145         if (isbackgroundcolor == true)
1146                 os << "\\backgroundcolor " << lyx::X11hexname(backgroundcolor) << '\n';
1147         if (isfontcolor == true)
1148                 os << "\\fontcolor " << lyx::X11hexname(fontcolor) << '\n';
1149         if (notefontcolor != lyx::rgbFromHexName("#cccccc"))
1150                 os << "\\notefontcolor " << lyx::X11hexname(notefontcolor) << '\n';
1151         if (boxbgcolor != lyx::rgbFromHexName("#ff0000"))
1152                 os << "\\boxbgcolor " << lyx::X11hexname(boxbgcolor) << '\n';
1153
1154         BranchList::const_iterator it = branchlist().begin();
1155         BranchList::const_iterator end = branchlist().end();
1156         for (; it != end; ++it) {
1157                 os << "\\branch " << to_utf8(it->branch())
1158                    << "\n\\selected " << it->isSelected()
1159                    << "\n\\filename_suffix " << it->hasFileNameSuffix()
1160                    << "\n\\color " << lyx::X11hexname(it->color())
1161                    << "\n\\end_branch"
1162                    << "\n";
1163         }
1164
1165         IndicesList::const_iterator iit = indiceslist().begin();
1166         IndicesList::const_iterator iend = indiceslist().end();
1167         for (; iit != iend; ++iit) {
1168                 os << "\\index " << to_utf8(iit->index())
1169                    << "\n\\shortcut " << to_utf8(iit->shortcut())
1170                    << "\n\\color " << lyx::X11hexname(iit->color())
1171                    << "\n\\end_index"
1172                    << "\n";
1173         }
1174
1175         if (!paperwidth.empty())
1176                 os << "\\paperwidth "
1177                    << VSpace(paperwidth).asLyXCommand() << '\n';
1178         if (!paperheight.empty())
1179                 os << "\\paperheight "
1180                    << VSpace(paperheight).asLyXCommand() << '\n';
1181         if (!leftmargin.empty())
1182                 os << "\\leftmargin "
1183                    << VSpace(leftmargin).asLyXCommand() << '\n';
1184         if (!topmargin.empty())
1185                 os << "\\topmargin "
1186                    << VSpace(topmargin).asLyXCommand() << '\n';
1187         if (!rightmargin.empty())
1188                 os << "\\rightmargin "
1189                    << VSpace(rightmargin).asLyXCommand() << '\n';
1190         if (!bottommargin.empty())
1191                 os << "\\bottommargin "
1192                    << VSpace(bottommargin).asLyXCommand() << '\n';
1193         if (!headheight.empty())
1194                 os << "\\headheight "
1195                    << VSpace(headheight).asLyXCommand() << '\n';
1196         if (!headsep.empty())
1197                 os << "\\headsep "
1198                    << VSpace(headsep).asLyXCommand() << '\n';
1199         if (!footskip.empty())
1200                 os << "\\footskip "
1201                    << VSpace(footskip).asLyXCommand() << '\n';
1202         if (!columnsep.empty())
1203                 os << "\\columnsep "
1204                          << VSpace(columnsep).asLyXCommand() << '\n';
1205         os << "\\secnumdepth " << secnumdepth
1206            << "\n\\tocdepth " << tocdepth
1207            << "\n\\paragraph_separation "
1208            << string_paragraph_separation[paragraph_separation];
1209         if (!paragraph_separation)
1210                 os << "\n\\paragraph_indentation " << getIndentation().asLyXCommand();
1211         else
1212                 os << "\n\\defskip " << getDefSkip().asLyXCommand();
1213         os << "\n\\quotes_language "
1214            << string_quotes_language[quotes_language]
1215            << "\n\\papercolumns " << columns
1216            << "\n\\papersides " << sides
1217            << "\n\\paperpagestyle " << pagestyle << '\n';
1218         if (!listings_params.empty())
1219                 os << "\\listings_params \"" <<
1220                         InsetListingsParams(listings_params).encodedString() << "\"\n";
1221         for (int i = 0; i < 4; ++i) {
1222                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1223                         if (user_defined_bullet(i).getFont() != -1) {
1224                                 os << "\\bullet " << i << " "
1225                                    << user_defined_bullet(i).getFont() << " "
1226                                    << user_defined_bullet(i).getCharacter() << " "
1227                                    << user_defined_bullet(i).getSize() << "\n";
1228                         }
1229                         else {
1230                                 // FIXME UNICODE
1231                                 os << "\\bulletLaTeX " << i << " \""
1232                                    << lyx::to_ascii(user_defined_bullet(i).getText())
1233                                    << "\"\n";
1234                         }
1235                 }
1236         }
1237
1238         os << "\\tracking_changes " << convert<string>(track_changes) << '\n'
1239            << "\\output_changes " << convert<string>(output_changes) << '\n'
1240            << "\\html_math_output " << html_math_output << '\n'
1241            << "\\html_css_as_file " << html_css_as_file << '\n'
1242            << "\\html_be_strict " << convert<string>(html_be_strict) << '\n';
1243
1244         if (html_math_img_scale != 1.0)
1245                 os << "\\html_math_img_scale " << convert<string>(html_math_img_scale) << '\n';
1246         if (!html_latex_start.empty())
1247                 os << "\\html_latex_start " << html_latex_start << '\n';
1248         if (!html_latex_end.empty())
1249                  os << "\\html_latex_end " << html_latex_end << '\n';
1250
1251         os << pimpl_->authorlist;
1252 }
1253
1254
1255 void BufferParams::validate(LaTeXFeatures & features) const
1256 {
1257         features.require(documentClass().requires());
1258
1259         if (columns > 1 && language->rightToLeft())
1260                 features.require("rtloutputdblcol");
1261
1262         if (output_changes) {
1263                 bool dvipost    = LaTeXFeatures::isAvailable("dvipost");
1264                 bool xcolorulem = LaTeXFeatures::isAvailable("ulem") &&
1265                                   LaTeXFeatures::isAvailable("xcolor");
1266
1267                 switch (features.runparams().flavor) {
1268                 case OutputParams::LATEX:
1269                 case OutputParams::DVILUATEX:
1270                         if (dvipost) {
1271                                 features.require("ct-dvipost");
1272                                 features.require("dvipost");
1273                         } else if (xcolorulem) {
1274                                 features.require("ct-xcolor-ulem");
1275                                 features.require("ulem");
1276                                 features.require("xcolor");
1277                         } else {
1278                                 features.require("ct-none");
1279                         }
1280                         break;
1281                 case OutputParams::LUATEX:
1282                 case OutputParams::PDFLATEX:
1283                 case OutputParams::XETEX:
1284                         if (xcolorulem) {
1285                                 features.require("ct-xcolor-ulem");
1286                                 features.require("ulem");
1287                                 features.require("xcolor");
1288                                 // improves color handling in PDF output
1289                                 features.require("pdfcolmk");
1290                         } else {
1291                                 features.require("ct-none");
1292                         }
1293                         break;
1294                 default:
1295                         break;
1296                 }
1297         }
1298
1299         // Floats with 'Here definitely' as default setting.
1300         if (float_placement.find('H') != string::npos)
1301                 features.require("float");
1302
1303         for (PackageMap::const_iterator it = use_packages.begin();
1304              it != use_packages.end(); ++it) {
1305                 if (it->first == "amsmath") {
1306                         // AMS Style is at document level
1307                         if (it->second == package_on ||
1308                             features.isProvided("amsmath"))
1309                                 features.require(it->first);
1310                 } else if (it->second == package_on)
1311                         features.require(it->first);
1312         }
1313
1314         // Document-level line spacing
1315         if (spacing().getSpace() != Spacing::Single && !spacing().isDefault())
1316                 features.require("setspace");
1317
1318         // the bullet shapes are buffer level not paragraph level
1319         // so they are tested here
1320         for (int i = 0; i < 4; ++i) {
1321                 if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i])
1322                         continue;
1323                 int const font = user_defined_bullet(i).getFont();
1324                 if (font == 0) {
1325                         int const c = user_defined_bullet(i).getCharacter();
1326                         if (c == 16
1327                             || c == 17
1328                             || c == 25
1329                             || c == 26
1330                             || c == 31) {
1331                                 features.require("latexsym");
1332                         }
1333                 } else if (font == 1) {
1334                         features.require("amssymb");
1335                 } else if (font >= 2 && font <= 5) {
1336                         features.require("pifont");
1337                 }
1338         }
1339
1340         if (pdfoptions().use_hyperref) {
1341                 features.require("hyperref");
1342                 // due to interferences with babel and hyperref, the color package has to
1343                 // be loaded after hyperref when hyperref is used with the colorlinks
1344                 // option, see http://www.lyx.org/trac/ticket/5291
1345                 if (pdfoptions().colorlinks)
1346                         features.require("color");
1347         }
1348         if (!listings_params.empty()) {
1349                 // do not test validity because listings_params is
1350                 // supposed to be valid
1351                 string par =
1352                         InsetListingsParams(listings_params).separatedParams(true);
1353                 // we can't support all packages, but we should load the color package
1354                 if (par.find("\\color", 0) != string::npos)
1355                         features.require("color");
1356         }
1357
1358         // some languages are only available via polyglossia
1359         if ((features.runparams().flavor == OutputParams::XETEX
1360              || features.runparams().flavor == OutputParams::LUATEX)
1361             && (features.hasPolyglossiaExclusiveLanguages()
1362                 || useNonTeXFonts))
1363                 features.require("polyglossia");
1364
1365         if (useNonTeXFonts && fonts_math != "auto")
1366                 features.require("unicode-math");
1367
1368         if (!language->requires().empty())
1369                 features.require(language->requires());
1370 }
1371
1372
1373 bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
1374                               FileName const & filepath) const
1375 {
1376         // http://www.tug.org/texmf-dist/doc/latex/base/fixltx2e.pdf
1377         // !! To use the Fix-cm package, load it before \documentclass, and use the command
1378         // \RequirePackage to do so, rather than the normal \usepackage
1379         // Do not try to load any other package before the document class, unless you
1380         // have a thorough understanding of the LATEX internals and know exactly what you
1381         // are doing!
1382         if (features.mustProvide("fix-cm"))
1383                 os << "\\RequirePackage{fix-cm}\n";
1384         // Likewise for fixltx2e. If other packages conflict with this policy,
1385         // treat it as a package bug (and report it!)
1386         // See http://www.latex-project.org/cgi-bin/ltxbugs2html?pr=latex/4407
1387         if (features.mustProvide("fixltx2e"))
1388                 os << "\\RequirePackage{fixltx2e}\n";
1389
1390         os << "\\documentclass";
1391
1392         DocumentClass const & tclass = documentClass();
1393
1394         ostringstream clsoptions; // the document class options.
1395
1396         if (tokenPos(tclass.opt_fontsize(),
1397                      '|', fontsize) >= 0) {
1398                 // only write if existing in list (and not default)
1399                 clsoptions << fontsize << "pt,";
1400         }
1401
1402         // all paper sizes except of A4, A5, B5 and the US sizes need the
1403         // geometry package
1404         bool nonstandard_papersize = papersize != PAPER_DEFAULT
1405                 && papersize != PAPER_USLETTER
1406                 && papersize != PAPER_USLEGAL
1407                 && papersize != PAPER_USEXECUTIVE
1408                 && papersize != PAPER_A4
1409                 && papersize != PAPER_A5
1410                 && papersize != PAPER_B5;
1411
1412         if (!use_geometry) {
1413                 switch (papersize) {
1414                 case PAPER_A4:
1415                         clsoptions << "a4paper,";
1416                         break;
1417                 case PAPER_USLETTER:
1418                         clsoptions << "letterpaper,";
1419                         break;
1420                 case PAPER_A5:
1421                         clsoptions << "a5paper,";
1422                         break;
1423                 case PAPER_B5:
1424                         clsoptions << "b5paper,";
1425                         break;
1426                 case PAPER_USEXECUTIVE:
1427                         clsoptions << "executivepaper,";
1428                         break;
1429                 case PAPER_USLEGAL:
1430                         clsoptions << "legalpaper,";
1431                         break;
1432                 case PAPER_DEFAULT:
1433                 case PAPER_A0:
1434                 case PAPER_A1:
1435                 case PAPER_A2:
1436                 case PAPER_A3:
1437                 case PAPER_A6:
1438                 case PAPER_B0:
1439                 case PAPER_B1:
1440                 case PAPER_B2:
1441                 case PAPER_B3:
1442                 case PAPER_B4:
1443                 case PAPER_B6:
1444                 case PAPER_C0:
1445                 case PAPER_C1:
1446                 case PAPER_C2:
1447                 case PAPER_C3:
1448                 case PAPER_C4:
1449                 case PAPER_C5:
1450                 case PAPER_C6:
1451                 case PAPER_JISB0:
1452                 case PAPER_JISB1:
1453                 case PAPER_JISB2:
1454                 case PAPER_JISB3:
1455                 case PAPER_JISB4:
1456                 case PAPER_JISB5:
1457                 case PAPER_JISB6:
1458                 case PAPER_CUSTOM:
1459                         break;
1460                 }
1461         }
1462
1463         // if needed
1464         if (sides != tclass.sides()) {
1465                 switch (sides) {
1466                 case OneSide:
1467                         clsoptions << "oneside,";
1468                         break;
1469                 case TwoSides:
1470                         clsoptions << "twoside,";
1471                         break;
1472                 }
1473         }
1474
1475         // if needed
1476         if (columns != tclass.columns()) {
1477                 if (columns == 2)
1478                         clsoptions << "twocolumn,";
1479                 else
1480                         clsoptions << "onecolumn,";
1481         }
1482
1483         if (!use_geometry
1484             && orientation == ORIENTATION_LANDSCAPE)
1485                 clsoptions << "landscape,";
1486
1487         // language should be a parameter to \documentclass
1488         if (language->babel() == "hebrew"
1489             && default_language->babel() != "hebrew")
1490                 // This seems necessary
1491                 features.useLanguage(default_language);
1492
1493         ostringstream language_options;
1494         bool const use_babel = features.useBabel() && !features.isProvided("babel");
1495         bool const use_polyglossia = features.usePolyglossia();
1496         bool const global = lyxrc.language_global_options;
1497         if (use_babel || (use_polyglossia && global)) {
1498                 language_options << features.getBabelLanguages();
1499                 if (!language->babel().empty()) {
1500                         if (!language_options.str().empty())
1501                                 language_options << ',';
1502                         language_options << language->babel();
1503                 }
1504                 if (global && !features.needBabelLangOptions()
1505                     && !language_options.str().empty())
1506                         clsoptions << language_options.str() << ',';
1507         }
1508
1509         // the predefined options from the layout
1510         if (use_default_options && !tclass.options().empty())
1511                 clsoptions << tclass.options() << ',';
1512
1513         // the user-defined options
1514         if (!options.empty()) {
1515                 clsoptions << options << ',';
1516         }
1517
1518         string strOptions(clsoptions.str());
1519         if (!strOptions.empty()) {
1520                 strOptions = rtrim(strOptions, ",");
1521                 // FIXME UNICODE
1522                 os << '[' << from_utf8(strOptions) << ']';
1523         }
1524
1525         os << '{' << from_ascii(tclass.latexname()) << "}\n";
1526         // end of \documentclass defs
1527
1528         // if we use fontspec or newtxmath, we have to load the AMS packages here
1529         string const ams = features.loadAMSPackages();
1530         bool const ot1 = (font_encoding() == "default" || font_encoding() == "OT1");
1531         bool const use_newtxmath =
1532                 theLaTeXFonts().getLaTeXFont(from_ascii(fonts_math)).getUsedPackage(
1533                         ot1, false, false) == "newtxmath";
1534         if ((useNonTeXFonts || use_newtxmath) && !ams.empty())
1535                 os << from_ascii(ams);
1536
1537         if (useNonTeXFonts) {
1538                 os << "\\usepackage{fontspec}\n";
1539                 if (features.mustProvide("unicode-math")
1540                     && features.isAvailable("unicode-math"))
1541                         os << "\\usepackage{unicode-math}\n";
1542         }
1543
1544         // font selection must be done before loading fontenc.sty
1545         string const fonts = loadFonts(features);
1546         if (!fonts.empty())
1547                 os << from_utf8(fonts);
1548
1549         if (fonts_default_family != "default")
1550                 os << "\\renewcommand{\\familydefault}{\\"
1551                    << from_ascii(fonts_default_family) << "}\n";
1552
1553         // set font encoding
1554         // XeTeX and LuaTeX (with OS fonts) do not need fontenc
1555         if (!useNonTeXFonts && !features.isProvided("fontenc")
1556             && font_encoding() != "default") {
1557                 // get main font encodings
1558                 vector<string> fontencs = font_encodings();
1559                 // get font encodings of secondary languages
1560                 features.getFontEncodings(fontencs);
1561                 if (!fontencs.empty()) {
1562                         os << "\\usepackage["
1563                            << from_ascii(getStringFromVector(fontencs))
1564                            << "]{fontenc}\n";
1565                 }
1566         }
1567
1568         // handle inputenc etc.
1569         writeEncodingPreamble(os, features);
1570
1571         // includeonly
1572         if (!features.runparams().includeall && !included_children_.empty()) {
1573                 os << "\\includeonly{";
1574                 list<string>::const_iterator it = included_children_.begin();
1575                 list<string>::const_iterator en = included_children_.end();
1576                 bool first = true;
1577                 for (; it != en; ++it) {
1578                         string incfile = *it;
1579                         FileName inc = makeAbsPath(incfile, filepath.absFileName());
1580                         string mangled = DocFileName(changeExtension(inc.absFileName(), ".tex")).
1581                         mangledFileName();
1582                         if (!features.runparams().nice)
1583                                 incfile = mangled;
1584                         // \includeonly doesn't want an extension
1585                         incfile = changeExtension(incfile, string());
1586                         incfile = support::latex_path(incfile);
1587                         if (!incfile.empty()) {
1588                                 if (!first)
1589                                         os << ",";
1590                                 os << from_utf8(incfile);
1591                         }
1592                         first = false;
1593                 }
1594                 os << "}\n";
1595         }
1596
1597         if (!features.isProvided("geometry")
1598             && (use_geometry || nonstandard_papersize)) {
1599                 odocstringstream ods;
1600                 if (!getGraphicsDriver("geometry").empty())
1601                         ods << getGraphicsDriver("geometry");
1602                 if (orientation == ORIENTATION_LANDSCAPE)
1603                         ods << ",landscape";
1604                 switch (papersize) {
1605                 case PAPER_CUSTOM:
1606                         if (!paperwidth.empty())
1607                                 ods << ",paperwidth="
1608                                    << from_ascii(paperwidth);
1609                         if (!paperheight.empty())
1610                                 ods << ",paperheight="
1611                                    << from_ascii(paperheight);
1612                         break;
1613                 case PAPER_USLETTER:
1614                         ods << ",letterpaper";
1615                         break;
1616                 case PAPER_USLEGAL:
1617                         ods << ",legalpaper";
1618                         break;
1619                 case PAPER_USEXECUTIVE:
1620                         ods << ",executivepaper";
1621                         break;
1622                 case PAPER_A0:
1623                         ods << ",a0paper";
1624                         break;
1625                 case PAPER_A1:
1626                         ods << ",a1paper";
1627                         break;
1628                 case PAPER_A2:
1629                         ods << ",a2paper";
1630                         break;
1631                 case PAPER_A3:
1632                         ods << ",a3paper";
1633                         break;
1634                 case PAPER_A4:
1635                         ods << ",a4paper";
1636                         break;
1637                 case PAPER_A5:
1638                         ods << ",a5paper";
1639                         break;
1640                 case PAPER_A6:
1641                         ods << ",a6paper";
1642                         break;
1643                 case PAPER_B0:
1644                         ods << ",b0paper";
1645                         break;
1646                 case PAPER_B1:
1647                         ods << ",b1paper";
1648                         break;
1649                 case PAPER_B2:
1650                         ods << ",b2paper";
1651                         break;
1652                 case PAPER_B3:
1653                         ods << ",b3paper";
1654                         break;
1655                 case PAPER_B4:
1656                         ods << ",b4paper";
1657                         break;
1658                 case PAPER_B5:
1659                         ods << ",b5paper";
1660                         break;
1661                 case PAPER_B6:
1662                         ods << ",b6paper";
1663                         break;
1664                 case PAPER_C0:
1665                         ods << ",c0paper";
1666                         break;
1667                 case PAPER_C1:
1668                         ods << ",c1paper";
1669                         break;
1670                 case PAPER_C2:
1671                         ods << ",c2paper";
1672                         break;
1673                 case PAPER_C3:
1674                         ods << ",c3paper";
1675                         break;
1676                 case PAPER_C4:
1677                         ods << ",c4paper";
1678                         break;
1679                 case PAPER_C5:
1680                         ods << ",c5paper";
1681                         break;
1682                 case PAPER_C6:
1683                         ods << ",c6paper";
1684                         break;
1685                 case PAPER_JISB0:
1686                         ods << ",b0j";
1687                         break;
1688                 case PAPER_JISB1:
1689                         ods << ",b1j";
1690                         break;
1691                 case PAPER_JISB2:
1692                         ods << ",b2j";
1693                         break;
1694                 case PAPER_JISB3:
1695                         ods << ",b3j";
1696                         break;
1697                 case PAPER_JISB4:
1698                         ods << ",b4j";
1699                         break;
1700                 case PAPER_JISB5:
1701                         ods << ",b5j";
1702                         break;
1703                 case PAPER_JISB6:
1704                         ods << ",b6j";
1705                         break;
1706                 case PAPER_DEFAULT:
1707                         break;
1708                 }
1709                 docstring const g_options = trim(ods.str(), ",");
1710                 os << "\\usepackage";
1711                 if (!g_options.empty())
1712                         os << '[' << g_options << ']';
1713                 os << "{geometry}\n";
1714                 // output this only if use_geometry is true
1715                 if (use_geometry) {
1716                         os << "\\geometry{verbose";
1717                         if (!topmargin.empty())
1718                                 os << ",tmargin=" << from_ascii(Length(topmargin).asLatexString());
1719                         if (!bottommargin.empty())
1720                                 os << ",bmargin=" << from_ascii(Length(bottommargin).asLatexString());
1721                         if (!leftmargin.empty())
1722                                 os << ",lmargin=" << from_ascii(Length(leftmargin).asLatexString());
1723                         if (!rightmargin.empty())
1724                                 os << ",rmargin=" << from_ascii(Length(rightmargin).asLatexString());
1725                         if (!headheight.empty())
1726                                 os << ",headheight=" << from_ascii(Length(headheight).asLatexString());
1727                         if (!headsep.empty())
1728                                 os << ",headsep=" << from_ascii(Length(headsep).asLatexString());
1729                         if (!footskip.empty())
1730                                 os << ",footskip=" << from_ascii(Length(footskip).asLatexString());
1731                         if (!columnsep.empty())
1732                                 os << ",columnsep=" << from_ascii(Length(columnsep).asLatexString());
1733                         os << "}\n";
1734                 }
1735         } else if (orientation == ORIENTATION_LANDSCAPE
1736                    || papersize != PAPER_DEFAULT) {
1737                 features.require("papersize");
1738         }
1739
1740         if (tokenPos(tclass.opt_pagestyle(), '|', pagestyle) >= 0) {
1741                 if (pagestyle == "fancy")
1742                         os << "\\usepackage{fancyhdr}\n";
1743                 os << "\\pagestyle{" << from_ascii(pagestyle) << "}\n";
1744         }
1745
1746         // only output when the background color is not default
1747         if (isbackgroundcolor == true) {
1748                 // only require color here, the background color will be defined
1749                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1750                 // package pdfpages
1751                 features.require("color");
1752                 features.require("pagecolor");
1753         }
1754
1755         // only output when the font color is not default
1756         if (isfontcolor == true) {
1757                 // only require color here, the font color will be defined
1758                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1759                 // package pdfpages
1760                 features.require("color");
1761                 features.require("fontcolor");
1762         }
1763
1764         // Only if class has a ToC hierarchy
1765         if (tclass.hasTocLevels()) {
1766                 if (secnumdepth != tclass.secnumdepth()) {
1767                         os << "\\setcounter{secnumdepth}{"
1768                            << secnumdepth
1769                            << "}\n";
1770                 }
1771                 if (tocdepth != tclass.tocdepth()) {
1772                         os << "\\setcounter{tocdepth}{"
1773                            << tocdepth
1774                            << "}\n";
1775                 }
1776         }
1777
1778         if (paragraph_separation) {
1779                 // when skip separation
1780                 switch (getDefSkip().kind()) {
1781                 case VSpace::SMALLSKIP:
1782                         os << "\\setlength{\\parskip}{\\smallskipamount}\n";
1783                         break;
1784                 case VSpace::MEDSKIP:
1785                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1786                         break;
1787                 case VSpace::BIGSKIP:
1788                         os << "\\setlength{\\parskip}{\\bigskipamount}\n";
1789                         break;
1790                 case VSpace::LENGTH:
1791                         os << "\\setlength{\\parskip}{"
1792                            << from_utf8(getDefSkip().length().asLatexString())
1793                            << "}\n";
1794                         break;
1795                 default: // should never happen // Then delete it.
1796                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1797                         break;
1798                 }
1799                 os << "\\setlength{\\parindent}{0pt}\n";
1800         } else {
1801                 // when separation by indentation
1802                 // only output something when a width is given
1803                 if (getIndentation().asLyXCommand() != "default") {
1804                         os << "\\setlength{\\parindent}{"
1805                            << from_utf8(getIndentation().asLatexCommand())
1806                            << "}\n";
1807                 }
1808         }
1809
1810         // Now insert the LyX specific LaTeX commands...
1811         docstring lyxpreamble;
1812         features.resolveAlternatives();
1813
1814         if (output_sync) {
1815                 if (!output_sync_macro.empty())
1816                         lyxpreamble += from_utf8(output_sync_macro) +"\n";
1817                 else if (features.runparams().flavor == OutputParams::LATEX)
1818                         lyxpreamble += "\\usepackage[active]{srcltx}\n";
1819                 else if (features.runparams().flavor == OutputParams::PDFLATEX)
1820                         lyxpreamble += "\\synctex=-1\n";
1821         }
1822
1823         // The package options (via \PassOptionsToPackage)
1824         lyxpreamble += from_ascii(features.getPackageOptions());
1825
1826         // due to interferences with babel and hyperref, the color package has to
1827         // be loaded (when it is not already loaded) before babel when hyperref
1828         // is used with the colorlinks option, see
1829         // http://www.lyx.org/trac/ticket/5291
1830         // we decided therefore to load color always before babel, see
1831         // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg144349.html
1832         lyxpreamble += from_ascii(features.getColorOptions());
1833
1834         // If we use hyperref, jurabib, japanese, varioref or vietnamese,
1835         // we have to call babel before
1836         if (use_babel
1837             && (features.isRequired("jurabib")
1838                 || features.isRequired("hyperref")
1839                 || features.isRequired("varioref")
1840                 || features.isRequired("vietnamese")
1841                 || features.isRequired("japanese"))) {
1842                         // FIXME UNICODE
1843                         lyxpreamble += from_utf8(features.getBabelPresettings());
1844                         lyxpreamble += from_utf8(babelCall(language_options.str(),
1845                                                            features.needBabelLangOptions())) + '\n';
1846                         lyxpreamble += from_utf8(features.getBabelPostsettings());
1847         }
1848
1849         // The optional packages;
1850         lyxpreamble += from_ascii(features.getPackages());
1851
1852         // Additional Indices
1853         if (features.isRequired("splitidx")) {
1854                 IndicesList::const_iterator iit = indiceslist().begin();
1855                 IndicesList::const_iterator iend = indiceslist().end();
1856                 for (; iit != iend; ++iit) {
1857                         pair<docstring, docstring> indexname_latex =
1858                                 features.runparams().encoding->latexString(iit->index(),
1859                                                                            features.runparams().dryrun);
1860                         if (!indexname_latex.second.empty()) {
1861                                 // issue a warning about omitted characters
1862                                 // FIXME: should be passed to the error dialog
1863                                 frontend::Alert::warning(_("Uncodable characters"),
1864                                         bformat(_("The following characters that are used in an index name are not\n"
1865                                                   "representable in the current encoding and therefore have been omitted:\n%1$s."),
1866                                                 indexname_latex.second));
1867                         }
1868                         lyxpreamble += "\\newindex[";
1869                         lyxpreamble += indexname_latex.first;
1870                         lyxpreamble += "]{";
1871                         lyxpreamble += escape(iit->shortcut());
1872                         lyxpreamble += "}\n";
1873                 }
1874         }
1875
1876         // Line spacing
1877         lyxpreamble += from_utf8(spacing().writePreamble(features.isProvided("SetSpace")));
1878
1879         // PDF support.
1880         // * Hyperref manual: "Make sure it comes last of your loaded
1881         //   packages, to give it a fighting chance of not being over-written,
1882         //   since its job is to redefine many LaTeX commands."
1883         // * Email from Heiko Oberdiek: "It is usually better to load babel
1884         //   before hyperref. Then hyperref has a chance to detect babel.
1885         // * Has to be loaded before the "LyX specific LaTeX commands" to
1886         //   avoid errors with algorithm floats.
1887         // use hyperref explicitly if it is required
1888         if (features.isRequired("hyperref")) {
1889                 // pass what we have to stream here, since we need
1890                 // to access the stream itself in PDFOptions.
1891                 os << lyxpreamble;
1892
1893                 OutputParams tmp_params = features.runparams();
1894                 pdfoptions().writeLaTeX(tmp_params, os,
1895                                         features.isProvided("hyperref"));
1896                 // set back for the rest
1897                 lyxpreamble.clear();
1898                 // correctly break URLs with hyperref and dvi output
1899                 if (features.runparams().flavor == OutputParams::LATEX
1900                     && features.isAvailable("breakurl"))
1901                         lyxpreamble += "\\usepackage{breakurl}\n";
1902         } else if (features.isRequired("nameref"))
1903                 // hyperref loads this automatically
1904                 lyxpreamble += "\\usepackage{nameref}\n";
1905
1906         // bibtopic needs to be loaded after hyperref.
1907         // the dot provides the aux file naming which LyX can detect.
1908         if (features.mustProvide("bibtopic"))
1909                 lyxpreamble += "\\usepackage[dot]{bibtopic}\n";
1910
1911         // Will be surrounded by \makeatletter and \makeatother when not empty
1912         docstring atlyxpreamble;
1913
1914         // Some macros LyX will need
1915         docstring tmppreamble(features.getMacros());
1916
1917         if (!tmppreamble.empty())
1918                 atlyxpreamble += "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
1919                         "LyX specific LaTeX commands.\n"
1920                         + tmppreamble + '\n';
1921
1922         // the text class specific preamble
1923         tmppreamble = features.getTClassPreamble();
1924         if (!tmppreamble.empty())
1925                 atlyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
1926                         "Textclass specific LaTeX commands.\n"
1927                         + tmppreamble + '\n';
1928
1929         // suppress date if selected
1930         // use \@ifundefined because we cannot be sure that every document class
1931         // has a \date command
1932         if (suppress_date)
1933                 atlyxpreamble += "\\@ifundefined{date}{}{\\date{}}\n";
1934
1935         /* the user-defined preamble */
1936         if (!containsOnly(preamble, " \n\t"))
1937                 // FIXME UNICODE
1938                 atlyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
1939                         "User specified LaTeX commands.\n"
1940                         + from_utf8(preamble) + '\n';
1941
1942         // footmisc must be loaded after setspace
1943         // Load it here to avoid clashes with footmisc loaded in the user
1944         // preamble. For that reason we also pass the options via
1945         // \PassOptionsToPackage in getPreamble() and not here.
1946         if (features.mustProvide("footmisc"))
1947                 atlyxpreamble += "\\usepackage{footmisc}\n";
1948
1949         // subfig loads internally the LaTeX package "caption". As
1950         // caption is a very popular package, users will load it in
1951         // the preamble. Therefore we must load subfig behind the
1952         // user-defined preamble and check if the caption package was
1953         // loaded or not. For the case that caption is loaded before
1954         // subfig, there is the subfig option "caption=false". This
1955         // option also works when a koma-script class is used and
1956         // koma's own caption commands are used instead of caption. We
1957         // use \PassOptionsToPackage here because the user could have
1958         // already loaded subfig in the preamble.
1959         if (features.isRequired("subfig")) {
1960                 atlyxpreamble += "\\@ifundefined{showcaptionsetup}{}{%\n"
1961                         " \\PassOptionsToPackage{caption=false}{subfig}}\n"
1962                         "\\usepackage{subfig}\n";
1963         }
1964
1965         // Itemize bullet settings need to be last in case the user
1966         // defines their own bullets that use a package included
1967         // in the user-defined preamble -- ARRae
1968         // Actually it has to be done much later than that
1969         // since some packages like frenchb make modifications
1970         // at \begin{document} time -- JMarc
1971         docstring bullets_def;
1972         for (int i = 0; i < 4; ++i) {
1973                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1974                         if (bullets_def.empty())
1975                                 bullets_def += "\\AtBeginDocument{\n";
1976                         bullets_def += "  \\def\\labelitemi";
1977                         switch (i) {
1978                                 // `i' is one less than the item to modify
1979                         case 0:
1980                                 break;
1981                         case 1:
1982                                 bullets_def += 'i';
1983                                 break;
1984                         case 2:
1985                                 bullets_def += "ii";
1986                                 break;
1987                         case 3:
1988                                 bullets_def += 'v';
1989                                 break;
1990                         }
1991                         bullets_def += '{' +
1992                                 user_defined_bullet(i).getText()
1993                                 + "}\n";
1994                 }
1995         }
1996
1997         if (!bullets_def.empty())
1998                 atlyxpreamble += bullets_def + "}\n\n";
1999
2000         if (!atlyxpreamble.empty())
2001                 lyxpreamble += "\n\\makeatletter\n"
2002                         + atlyxpreamble + "\\makeatother\n\n";
2003
2004         // We try to load babel late, in case it interferes with other packages.
2005         // Jurabib, hyperref, varioref, bicaption and listings (bug 8995) have to be
2006         // called after babel, though.
2007         if (use_babel && !features.isRequired("jurabib")
2008             && !features.isRequired("hyperref")
2009                 && !features.isRequired("varioref")
2010             && !features.isRequired("vietnamese")
2011             && !features.isRequired("japanese")) {
2012                 // FIXME UNICODE
2013                 lyxpreamble += from_utf8(features.getBabelPresettings());
2014                 lyxpreamble += from_utf8(babelCall(language_options.str(),
2015                                                    features.needBabelLangOptions())) + '\n';
2016                 lyxpreamble += from_utf8(features.getBabelPostsettings());
2017         }
2018         if (features.isRequired("bicaption"))
2019                 lyxpreamble += "\\usepackage{bicaption}\n";
2020         if (!listings_params.empty() || features.isRequired("listings"))
2021                 lyxpreamble += "\\usepackage{listings}\n";
2022         if (!listings_params.empty()) {
2023                 lyxpreamble += "\\lstset{";
2024                 // do not test validity because listings_params is
2025                 // supposed to be valid
2026                 string par =
2027                         InsetListingsParams(listings_params).separatedParams(true);
2028                 lyxpreamble += from_utf8(par);
2029                 lyxpreamble += "}\n";
2030         }
2031
2032         // xunicode needs to be loaded at least after amsmath, amssymb,
2033         // esint and the other packages that provide special glyphs
2034         if (features.runparams().flavor == OutputParams::XETEX
2035             && useNonTeXFonts)
2036                 lyxpreamble += "\\usepackage{xunicode}\n";
2037
2038         // Polyglossia must be loaded last
2039         if (use_polyglossia) {
2040                 // call the package
2041                 lyxpreamble += "\\usepackage{polyglossia}\n";
2042                 // set the main language
2043                 lyxpreamble += "\\setdefaultlanguage";
2044                 if (!language->polyglossiaOpts().empty())
2045                         lyxpreamble += "[" + from_ascii(language->polyglossiaOpts()) + "]";
2046                 lyxpreamble += "{" + from_ascii(language->polyglossia()) + "}\n";
2047                 // now setup the other languages
2048                 std::map<std::string, std::string> const polylangs =
2049                         features.getPolyglossiaLanguages();
2050                 for (std::map<std::string, std::string>::const_iterator mit = polylangs.begin();
2051                      mit != polylangs.end() ; ++mit) {
2052                         lyxpreamble += "\\setotherlanguage";
2053                         if (!mit->second.empty())
2054                                 lyxpreamble += "[" + from_ascii(mit->second) + "]";
2055                         lyxpreamble += "{" + from_ascii(mit->first) + "}\n";
2056                 }
2057         }
2058
2059         // Load custom language package here
2060         if (features.langPackage() == LaTeXFeatures::LANG_PACK_CUSTOM) {
2061                 if (lang_package == "default")
2062                         lyxpreamble += from_utf8(lyxrc.language_custom_package);
2063                 else
2064                         lyxpreamble += from_utf8(lang_package);
2065                 lyxpreamble += '\n';
2066         }
2067
2068         docstring const i18npreamble =
2069                 features.getTClassI18nPreamble(use_babel, use_polyglossia);
2070         if (!i18npreamble.empty())
2071                 lyxpreamble += i18npreamble + '\n';
2072
2073         os << lyxpreamble;
2074
2075         return use_babel;
2076 }
2077
2078
2079 void BufferParams::useClassDefaults()
2080 {
2081         DocumentClass const & tclass = documentClass();
2082
2083         sides = tclass.sides();
2084         columns = tclass.columns();
2085         pagestyle = tclass.pagestyle();
2086         use_default_options = true;
2087         // Only if class has a ToC hierarchy
2088         if (tclass.hasTocLevels()) {
2089                 secnumdepth = tclass.secnumdepth();
2090                 tocdepth = tclass.tocdepth();
2091         }
2092 }
2093
2094
2095 bool BufferParams::hasClassDefaults() const
2096 {
2097         DocumentClass const & tclass = documentClass();
2098
2099         return sides == tclass.sides()
2100                 && columns == tclass.columns()
2101                 && pagestyle == tclass.pagestyle()
2102                 && use_default_options
2103                 && secnumdepth == tclass.secnumdepth()
2104                 && tocdepth == tclass.tocdepth();
2105 }
2106
2107
2108 DocumentClass const & BufferParams::documentClass() const
2109 {
2110         return *doc_class_.get();
2111 }
2112
2113
2114 DocumentClassConstPtr BufferParams::documentClassPtr() const
2115 {
2116         return doc_class_;
2117 }
2118
2119
2120 void BufferParams::setDocumentClass(DocumentClassConstPtr tc)
2121 {
2122         // evil, but this function is evil
2123         doc_class_ = const_pointer_cast<DocumentClass>(tc);
2124 }
2125
2126
2127 bool BufferParams::setBaseClass(string const & classname)
2128 {
2129         LYXERR(Debug::TCLASS, "setBaseClass: " << classname);
2130         LayoutFileList & bcl = LayoutFileList::get();
2131         if (!bcl.haveClass(classname)) {
2132                 docstring s =
2133                         bformat(_("The layout file:\n"
2134                                 "%1$s\n"
2135                                 "could not be found. A default textclass with default\n"
2136                                 "layouts will be used. LyX will not be able to produce\n"
2137                                 "correct output."),
2138                         from_utf8(classname));
2139                 frontend::Alert::error(_("Document class not found"), s);
2140                 bcl.addEmptyClass(classname);
2141         }
2142
2143         bool const success = bcl[classname].load();
2144         if (!success) {
2145                 docstring s =
2146                         bformat(_("Due to some error in it, the layout file:\n"
2147                                 "%1$s\n"
2148                                 "could not be loaded. A default textclass with default\n"
2149                                 "layouts will be used. LyX will not be able to produce\n"
2150                                 "correct output."),
2151                         from_utf8(classname));
2152                 frontend::Alert::error(_("Could not load class"), s);
2153                 bcl.addEmptyClass(classname);
2154         }
2155
2156         pimpl_->baseClass_ = classname;
2157         layout_modules_.adaptToBaseClass(baseClass(), removed_modules_);
2158         return true;
2159 }
2160
2161
2162 LayoutFile const * BufferParams::baseClass() const
2163 {
2164         if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
2165                 return &(LayoutFileList::get()[pimpl_->baseClass_]);
2166         else
2167                 return 0;
2168 }
2169
2170
2171 LayoutFileIndex const & BufferParams::baseClassID() const
2172 {
2173         return pimpl_->baseClass_;
2174 }
2175
2176
2177 void BufferParams::makeDocumentClass(bool const clone)
2178 {
2179         if (!baseClass())
2180                 return;
2181
2182         LayoutModuleList mods;
2183         LayoutModuleList::iterator it = layout_modules_.begin();
2184         LayoutModuleList::iterator en = layout_modules_.end();
2185         for (; it != en; ++it)
2186                 mods.push_back(*it);
2187
2188         it = cite_engine_.begin();
2189         en = cite_engine_.end();
2190         for (; it != en; ++it)
2191                 mods.push_back(*it);
2192
2193         doc_class_ = getDocumentClass(*baseClass(), mods, clone);
2194
2195         TextClass::ReturnValues success = TextClass::OK;
2196         if (!forced_local_layout_.empty())
2197                 success = doc_class_->read(forced_local_layout_, TextClass::MODULE);
2198         if (!local_layout_.empty() &&
2199             (success == TextClass::OK || success == TextClass::OK_OLDFORMAT))
2200                 success = doc_class_->read(local_layout_, TextClass::MODULE);
2201         if (success != TextClass::OK && success != TextClass::OK_OLDFORMAT) {
2202                 docstring const msg = _("Error reading internal layout information");
2203                 frontend::Alert::warning(_("Read Error"), msg);
2204         }
2205 }
2206
2207
2208 bool BufferParams::layoutModuleCanBeAdded(string const & modName) const
2209 {
2210         return layout_modules_.moduleCanBeAdded(modName, baseClass());
2211 }
2212
2213
2214 bool BufferParams::citationModuleCanBeAdded(string const & modName) const
2215 {
2216         return cite_engine_.moduleCanBeAdded(modName, baseClass());
2217 }
2218
2219
2220 std::string BufferParams::getLocalLayout(bool forced) const
2221 {
2222         if (forced)
2223                 return doc_class_->forcedLayouts();
2224         else
2225                 return local_layout_;
2226 }
2227
2228
2229 void BufferParams::setLocalLayout(string const & layout, bool forced)
2230 {
2231         if (forced)
2232                 forced_local_layout_ = layout;
2233         else
2234                 local_layout_ = layout;
2235 }
2236
2237
2238 bool BufferParams::addLayoutModule(string const & modName)
2239 {
2240         LayoutModuleList::const_iterator it = layout_modules_.begin();
2241         LayoutModuleList::const_iterator end = layout_modules_.end();
2242         for (; it != end; ++it)
2243                 if (*it == modName)
2244                         return false;
2245         layout_modules_.push_back(modName);
2246         return true;
2247 }
2248
2249
2250 string BufferParams::bufferFormat() const
2251 {
2252         string format = documentClass().outputFormat();
2253         if (format == "latex") {
2254                 if (useNonTeXFonts)
2255                         return "xetex";
2256                 if (encoding().package() == Encoding::japanese)
2257                         return "platex";
2258         }
2259         return format;
2260 }
2261
2262
2263 bool BufferParams::isExportable(string const & format) const
2264 {
2265         vector<string> backs = backends();
2266         for (vector<string>::const_iterator it = backs.begin();
2267              it != backs.end(); ++it)
2268                 if (theConverters().isReachable(*it, format))
2269                         return true;
2270         return false;
2271 }
2272
2273
2274 vector<Format const *> BufferParams::exportableFormats(bool only_viewable) const
2275 {
2276         vector<string> const backs = backends();
2277         set<string> excludes;
2278         if (useNonTeXFonts) {
2279                 excludes.insert("latex");
2280                 excludes.insert("pdflatex");
2281         }
2282         vector<Format const *> result =
2283                 theConverters().getReachable(backs[0], only_viewable, true, excludes);
2284         for (vector<string>::const_iterator it = backs.begin() + 1;
2285              it != backs.end(); ++it) {
2286                 vector<Format const *>  r =
2287                         theConverters().getReachable(*it, only_viewable, false, excludes);
2288                 result.insert(result.end(), r.begin(), r.end());
2289         }
2290         return result;
2291 }
2292
2293
2294 bool BufferParams::isExportableFormat(string const & format) const
2295 {
2296         typedef vector<Format const *> Formats;
2297         Formats formats;
2298         formats = exportableFormats(true);
2299         Formats::const_iterator fit = formats.begin();
2300         Formats::const_iterator end = formats.end();
2301         for (; fit != end ; ++fit) {
2302                 if ((*fit)->name() == format)
2303                         return true;
2304         }
2305         return false;
2306 }
2307
2308
2309 vector<string> BufferParams::backends() const
2310 {
2311         vector<string> v;
2312         string const buffmt = bufferFormat();
2313
2314         // FIXME: Don't hardcode format names here, but use a flag
2315         if (buffmt == "latex") {
2316                 if (!useNonTeXFonts) {
2317                         v.push_back("pdflatex");
2318                         v.push_back("latex");
2319                 }
2320                 v.push_back("luatex");
2321                 v.push_back("dviluatex");
2322                 v.push_back("xetex");
2323         } else if (buffmt == "xetex") {
2324                 v.push_back("xetex");
2325                 // FIXME: need to test all languages (bug 8205)
2326                 if (!language || !language->isPolyglossiaExclusive()) {
2327                         v.push_back("luatex");
2328                         v.push_back("dviluatex");
2329                 }
2330         } else
2331                 v.push_back(buffmt);
2332
2333         v.push_back("xhtml");
2334         v.push_back("text");
2335         v.push_back("lyx");
2336         return v;
2337 }
2338
2339
2340 OutputParams::FLAVOR BufferParams::getOutputFlavor(string const & format) const
2341 {
2342         string const dformat = (format.empty() || format == "default") ?
2343                 getDefaultOutputFormat() : format;
2344         DefaultFlavorCache::const_iterator it =
2345                 default_flavors_.find(dformat);
2346
2347         if (it != default_flavors_.end())
2348                 return it->second;
2349
2350         OutputParams::FLAVOR result = OutputParams::LATEX;
2351
2352         // FIXME It'd be better not to hardcode this, but to do
2353         //       something with formats.
2354         if (dformat == "xhtml")
2355                 result = OutputParams::HTML;
2356         else if (dformat == "text")
2357                 result = OutputParams::TEXT;
2358         else if (dformat == "lyx")
2359                 result = OutputParams::LYX;
2360         else if (dformat == "pdflatex")
2361                 result = OutputParams::PDFLATEX;
2362         else if (dformat == "xetex")
2363                 result = OutputParams::XETEX;
2364         else if (dformat == "luatex")
2365                 result = OutputParams::LUATEX;
2366         else if (dformat == "dviluatex")
2367                 result = OutputParams::DVILUATEX;
2368         else {
2369                 // Try to determine flavor of default output format
2370                 vector<string> backs = backends();
2371                 if (find(backs.begin(), backs.end(), dformat) == backs.end()) {
2372                         // Get shortest path to format
2373                         Graph::EdgePath path;
2374                         for (vector<string>::const_iterator it = backs.begin();
2375                             it != backs.end(); ++it) {
2376                                 Graph::EdgePath p = theConverters().getPath(*it, dformat);
2377                                 if (!p.empty() && (path.empty() || p.size() < path.size())) {
2378                                         path = p;
2379                                 }
2380                         }
2381                         if (!path.empty())
2382                                 result = theConverters().getFlavor(path);
2383                 }
2384         }
2385         // cache this flavor
2386         default_flavors_[dformat] = result;
2387         return result;
2388 }
2389
2390
2391 string BufferParams::getDefaultOutputFormat() const
2392 {
2393         if (!default_output_format.empty()
2394             && default_output_format != "default")
2395                 return default_output_format;
2396         if (isDocBook()
2397             || encoding().package() == Encoding::japanese) {
2398                 vector<Format const *> const formats = exportableFormats(true);
2399                 if (formats.empty())
2400                         return string();
2401                 // return the first we find
2402                 return formats.front()->name();
2403         }
2404         if (useNonTeXFonts)
2405                 return lyxrc.default_otf_view_format;
2406         return lyxrc.default_view_format;
2407 }
2408
2409 Font const BufferParams::getFont() const
2410 {
2411         FontInfo f = documentClass().defaultfont();
2412         if (fonts_default_family == "rmdefault")
2413                 f.setFamily(ROMAN_FAMILY);
2414         else if (fonts_default_family == "sfdefault")
2415                 f.setFamily(SANS_FAMILY);
2416         else if (fonts_default_family == "ttdefault")
2417                 f.setFamily(TYPEWRITER_FAMILY);
2418         return Font(f, language);
2419 }
2420
2421
2422 InsetQuotes::QuoteLanguage BufferParams::getQuoteStyle(string const & qs) const
2423 {
2424         return quoteslangtranslator().find(qs);
2425 }
2426
2427
2428 bool BufferParams::isLatex() const
2429 {
2430         return documentClass().outputType() == LATEX;
2431 }
2432
2433
2434 bool BufferParams::isLiterate() const
2435 {
2436         return documentClass().outputType() == LITERATE;
2437 }
2438
2439
2440 bool BufferParams::isDocBook() const
2441 {
2442         return documentClass().outputType() == DOCBOOK;
2443 }
2444
2445
2446 void BufferParams::readPreamble(Lexer & lex)
2447 {
2448         if (lex.getString() != "\\begin_preamble")
2449                 lyxerr << "Error (BufferParams::readPreamble):"
2450                         "consistency check failed." << endl;
2451
2452         preamble = lex.getLongString("\\end_preamble");
2453 }
2454
2455
2456 void BufferParams::readLocalLayout(Lexer & lex, bool forced)
2457 {
2458         string const expected = forced ? "\\begin_forced_local_layout" :
2459                                          "\\begin_local_layout";
2460         if (lex.getString() != expected)
2461                 lyxerr << "Error (BufferParams::readLocalLayout):"
2462                         "consistency check failed." << endl;
2463
2464         if (forced)
2465                 forced_local_layout_ =
2466                         lex.getLongString("\\end_forced_local_layout");
2467         else
2468                 local_layout_ = lex.getLongString("\\end_local_layout");
2469 }
2470
2471
2472 bool BufferParams::setLanguage(string const & lang)
2473 {
2474         Language const *new_language = languages.getLanguage(lang);
2475         if (!new_language) {
2476                 // Language lang was not found
2477                 return false;
2478         }
2479         language = new_language;
2480         return true;
2481 }
2482
2483
2484 void BufferParams::readLanguage(Lexer & lex)
2485 {
2486         if (!lex.next()) return;
2487
2488         string const tmptok = lex.getString();
2489
2490         // check if tmptok is part of tex_babel in tex-defs.h
2491         if (!setLanguage(tmptok)) {
2492                 // Language tmptok was not found
2493                 language = default_language;
2494                 lyxerr << "Warning: Setting language `"
2495                        << tmptok << "' to `" << language->lang()
2496                        << "'." << endl;
2497         }
2498 }
2499
2500
2501 void BufferParams::readGraphicsDriver(Lexer & lex)
2502 {
2503         if (!lex.next())
2504                 return;
2505
2506         string const tmptok = lex.getString();
2507         // check if tmptok is part of tex_graphics in tex_defs.h
2508         int n = 0;
2509         while (true) {
2510                 string const test = tex_graphics[n++];
2511
2512                 if (test == tmptok) {
2513                         graphics_driver = tmptok;
2514                         break;
2515                 }
2516                 if (test.empty()) {
2517                         lex.printError(
2518                                 "Warning: graphics driver `$$Token' not recognized!\n"
2519                                 "         Setting graphics driver to `default'.\n");
2520                         graphics_driver = "default";
2521                         break;
2522                 }
2523         }
2524 }
2525
2526
2527 void BufferParams::readBullets(Lexer & lex)
2528 {
2529         if (!lex.next())
2530                 return;
2531
2532         int const index = lex.getInteger();
2533         lex.next();
2534         int temp_int = lex.getInteger();
2535         user_defined_bullet(index).setFont(temp_int);
2536         temp_bullet(index).setFont(temp_int);
2537         lex >> temp_int;
2538         user_defined_bullet(index).setCharacter(temp_int);
2539         temp_bullet(index).setCharacter(temp_int);
2540         lex >> temp_int;
2541         user_defined_bullet(index).setSize(temp_int);
2542         temp_bullet(index).setSize(temp_int);
2543 }
2544
2545
2546 void BufferParams::readBulletsLaTeX(Lexer & lex)
2547 {
2548         // The bullet class should be able to read this.
2549         if (!lex.next())
2550                 return;
2551         int const index = lex.getInteger();
2552         lex.next(true);
2553         docstring const temp_str = lex.getDocString();
2554
2555         user_defined_bullet(index).setText(temp_str);
2556         temp_bullet(index).setText(temp_str);
2557 }
2558
2559
2560 void BufferParams::readModules(Lexer & lex)
2561 {
2562         if (!lex.eatLine()) {
2563                 lyxerr << "Error (BufferParams::readModules):"
2564                                 "Unexpected end of input." << endl;
2565                 return;
2566         }
2567         while (true) {
2568                 string mod = lex.getString();
2569                 if (mod == "\\end_modules")
2570                         break;
2571                 addLayoutModule(mod);
2572                 lex.eatLine();
2573         }
2574 }
2575
2576
2577 void BufferParams::readRemovedModules(Lexer & lex)
2578 {
2579         if (!lex.eatLine()) {
2580                 lyxerr << "Error (BufferParams::readRemovedModules):"
2581                                 "Unexpected end of input." << endl;
2582                 return;
2583         }
2584         while (true) {
2585                 string mod = lex.getString();
2586                 if (mod == "\\end_removed_modules")
2587                         break;
2588                 removed_modules_.push_back(mod);
2589                 lex.eatLine();
2590         }
2591         // now we want to remove any removed modules that were previously
2592         // added. normally, that will be because default modules were added in
2593         // setBaseClass(), which gets called when \textclass is read at the
2594         // start of the read.
2595         list<string>::const_iterator rit = removed_modules_.begin();
2596         list<string>::const_iterator const ren = removed_modules_.end();
2597         for (; rit != ren; ++rit) {
2598                 LayoutModuleList::iterator const mit = layout_modules_.begin();
2599                 LayoutModuleList::iterator const men = layout_modules_.end();
2600                 LayoutModuleList::iterator found = find(mit, men, *rit);
2601                 if (found == men)
2602                         continue;
2603                 layout_modules_.erase(found);
2604         }
2605 }
2606
2607
2608 void BufferParams::readIncludeonly(Lexer & lex)
2609 {
2610         if (!lex.eatLine()) {
2611                 lyxerr << "Error (BufferParams::readIncludeonly):"
2612                                 "Unexpected end of input." << endl;
2613                 return;
2614         }
2615         while (true) {
2616                 string child = lex.getString();
2617                 if (child == "\\end_includeonly")
2618                         break;
2619                 included_children_.push_back(child);
2620                 lex.eatLine();
2621         }
2622 }
2623
2624
2625 string BufferParams::paperSizeName(PapersizePurpose purpose) const
2626 {
2627         switch (papersize) {
2628         case PAPER_DEFAULT:
2629                 // could be anything, so don't guess
2630                 return string();
2631         case PAPER_CUSTOM: {
2632                 if (purpose == XDVI && !paperwidth.empty() &&
2633                     !paperheight.empty()) {
2634                         // heightxwidth<unit>
2635                         string first = paperwidth;
2636                         string second = paperheight;
2637                         if (orientation == ORIENTATION_LANDSCAPE)
2638                                 first.swap(second);
2639                         // cut off unit.
2640                         return first.erase(first.length() - 2)
2641                                 + "x" + second;
2642                 }
2643                 return string();
2644         }
2645         case PAPER_A0:
2646                 // dvips and dvipdfm do not know this
2647                 if (purpose == DVIPS || purpose == DVIPDFM)
2648                         return string();
2649                 return "a0";
2650         case PAPER_A1:
2651                 if (purpose == DVIPS || purpose == DVIPDFM)
2652                         return string();
2653                 return "a1";
2654         case PAPER_A2:
2655                 if (purpose == DVIPS || purpose == DVIPDFM)
2656                         return string();
2657                 return "a2";
2658         case PAPER_A3:
2659                 return "a3";
2660         case PAPER_A4:
2661                 return "a4";
2662         case PAPER_A5:
2663                 return "a5";
2664         case PAPER_A6:
2665                 if (purpose == DVIPS || purpose == DVIPDFM)
2666                         return string();
2667                 return "a6";
2668         case PAPER_B0:
2669                 if (purpose == DVIPS || purpose == DVIPDFM)
2670                         return string();
2671                 return "b0";
2672         case PAPER_B1:
2673                 if (purpose == DVIPS || purpose == DVIPDFM)
2674                         return string();
2675                 return "b1";
2676         case PAPER_B2:
2677                 if (purpose == DVIPS || purpose == DVIPDFM)
2678                         return string();
2679                 return "b2";
2680         case PAPER_B3:
2681                 if (purpose == DVIPS || purpose == DVIPDFM)
2682                         return string();
2683                 return "b3";
2684         case PAPER_B4:
2685                 // dvipdfm does not know this
2686                 if (purpose == DVIPDFM)
2687                         return string();
2688                 return "b4";
2689         case PAPER_B5:
2690                 if (purpose == DVIPDFM)
2691                         return string();
2692                 return "b5";
2693         case PAPER_B6:
2694                 if (purpose == DVIPS || purpose == DVIPDFM)
2695                         return string();
2696                 return "b6";
2697         case PAPER_C0:
2698                 if (purpose == DVIPS || purpose == DVIPDFM)
2699                         return string();
2700                 return "c0";
2701         case PAPER_C1:
2702                 if (purpose == DVIPS || purpose == DVIPDFM)
2703                         return string();
2704                 return "c1";
2705         case PAPER_C2:
2706                 if (purpose == DVIPS || purpose == DVIPDFM)
2707                         return string();
2708                 return "c2";
2709         case PAPER_C3:
2710                 if (purpose == DVIPS || purpose == DVIPDFM)
2711                         return string();
2712                 return "c3";
2713         case PAPER_C4:
2714                 if (purpose == DVIPS || purpose == DVIPDFM)
2715                         return string();
2716                 return "c4";
2717         case PAPER_C5:
2718                 if (purpose == DVIPS || purpose == DVIPDFM)
2719                         return string();
2720                 return "c5";
2721         case PAPER_C6:
2722                 if (purpose == DVIPS || purpose == DVIPDFM)
2723                         return string();
2724                 return "c6";
2725         case PAPER_JISB0:
2726                 if (purpose == DVIPS || purpose == DVIPDFM)
2727                         return string();
2728                 return "jisb0";
2729         case PAPER_JISB1:
2730                 if (purpose == DVIPS || purpose == DVIPDFM)
2731                         return string();
2732                 return "jisb1";
2733         case PAPER_JISB2:
2734                 if (purpose == DVIPS || purpose == DVIPDFM)
2735                         return string();
2736                 return "jisb2";
2737         case PAPER_JISB3:
2738                 if (purpose == DVIPS || purpose == DVIPDFM)
2739                         return string();
2740                 return "jisb3";
2741         case PAPER_JISB4:
2742                 if (purpose == DVIPS || purpose == DVIPDFM)
2743                         return string();
2744                 return "jisb4";
2745         case PAPER_JISB5:
2746                 if (purpose == DVIPS || purpose == DVIPDFM)
2747                         return string();
2748                 return "jisb5";
2749         case PAPER_JISB6:
2750                 if (purpose == DVIPS || purpose == DVIPDFM)
2751                         return string();
2752                 return "jisb6";
2753         case PAPER_USEXECUTIVE:
2754                 // dvipdfm does not know this
2755                 if (purpose == DVIPDFM)
2756                         return string();
2757                 return "foolscap";
2758         case PAPER_USLEGAL:
2759                 return "legal";
2760         case PAPER_USLETTER:
2761         default:
2762                 if (purpose == XDVI)
2763                         return "us";
2764                 return "letter";
2765         }
2766 }
2767
2768
2769 string const BufferParams::dvips_options() const
2770 {
2771         string result;
2772
2773         // If the class loads the geometry package, we do not know which
2774         // paper size is used, since we do not set it (bug 7013).
2775         // Therefore we must not specify any argument here.
2776         // dvips gets the correct paper size via DVI specials in this case
2777         // (if the class uses the geometry package correctly).
2778         if (documentClass().provides("geometry"))
2779                 return result;
2780
2781         if (use_geometry
2782             && papersize == PAPER_CUSTOM
2783             && !lyxrc.print_paper_dimension_flag.empty()
2784             && !paperwidth.empty()
2785             && !paperheight.empty()) {
2786                 // using a custom papersize
2787                 result = lyxrc.print_paper_dimension_flag;
2788                 result += ' ' + paperwidth;
2789                 result += ',' + paperheight;
2790         } else {
2791                 string const paper_option = paperSizeName(DVIPS);
2792                 if (!paper_option.empty() && (paper_option != "letter" ||
2793                     orientation != ORIENTATION_LANDSCAPE)) {
2794                         // dvips won't accept -t letter -t landscape.
2795                         // In all other cases, include the paper size
2796                         // explicitly.
2797                         result = lyxrc.print_paper_flag;
2798                         result += ' ' + paper_option;
2799                 }
2800         }
2801         if (orientation == ORIENTATION_LANDSCAPE &&
2802             papersize != PAPER_CUSTOM)
2803                 result += ' ' + lyxrc.print_landscape_flag;
2804         return result;
2805 }
2806
2807
2808 string const BufferParams::font_encoding() const
2809 {
2810         return font_encodings().empty() ? "default" : font_encodings().back();
2811 }
2812
2813
2814 vector<string> const BufferParams::font_encodings() const
2815 {
2816         string doc_fontenc = (fontenc == "global") ? lyxrc.fontenc : fontenc;
2817
2818         vector<string> fontencs;
2819
2820         // "default" means "no explicit font encoding"
2821         if (doc_fontenc != "default") {
2822                 fontencs = getVectorFromString(doc_fontenc);
2823                 if (!language->fontenc().empty()
2824                     && ascii_lowercase(language->fontenc()) != "none") {
2825                         vector<string> fencs = getVectorFromString(language->fontenc());
2826                         vector<string>::const_iterator fit = fencs.begin();
2827                         for (; fit != fencs.end(); ++fit) {
2828                                 if (find(fontencs.begin(), fontencs.end(), *fit) == fontencs.end())
2829                                         fontencs.push_back(*fit);
2830                         }
2831                 }
2832         }
2833
2834         return fontencs;
2835 }
2836
2837
2838 string BufferParams::babelCall(string const & lang_opts, bool const langoptions) const
2839 {
2840         // suppress the babel call if there is no BabelName defined
2841         // for the document language in the lib/languages file and if no
2842         // other languages are used (lang_opts is then empty)
2843         if (lang_opts.empty())
2844                 return string();
2845         // either a specific language (AsBabelOptions setting in
2846         // lib/languages) or the prefs require the languages to
2847         // be submitted to babel itself (not the class).
2848         if (langoptions)
2849                 return "\\usepackage[" + lang_opts + "]{babel}";
2850         return "\\usepackage{babel}";
2851 }
2852
2853
2854 docstring BufferParams::getGraphicsDriver(string const & package) const
2855 {
2856         docstring result;
2857
2858         if (package == "geometry") {
2859                 if (graphics_driver == "dvips"
2860                     || graphics_driver == "dvipdfm"
2861                     || graphics_driver == "pdftex"
2862                     || graphics_driver == "vtex")
2863                         result = from_ascii(graphics_driver);
2864                 else if (graphics_driver == "dvipdfmx")
2865                         result = from_ascii("dvipdfm");
2866         }
2867
2868         return result;
2869 }
2870
2871
2872 void BufferParams::writeEncodingPreamble(otexstream & os,
2873                                          LaTeXFeatures & features) const
2874 {
2875         // XeTeX does not need this
2876         if (features.runparams().flavor == OutputParams::XETEX)
2877                 return;
2878         // LuaTeX neither, but with tex fonts, we need to load
2879         // the luainputenc package.
2880         if (features.runparams().flavor == OutputParams::LUATEX
2881                 || features.runparams().flavor == OutputParams::DVILUATEX) {
2882                 if (!useNonTeXFonts && inputenc != "default"
2883                     && ((inputenc == "auto" && language->encoding()->package() == Encoding::inputenc)
2884                         || (inputenc != "auto" && encoding().package() == Encoding::inputenc))) {
2885                         os << "\\usepackage[utf8]{luainputenc}\n";
2886                 }
2887                 return;
2888         }
2889         if (inputenc == "auto") {
2890                 string const doc_encoding =
2891                         language->encoding()->latexName();
2892                 Encoding::Package const package =
2893                         language->encoding()->package();
2894
2895                 // Create a list with all the input encodings used
2896                 // in the document
2897                 set<string> encodings =
2898                         features.getEncodingSet(doc_encoding);
2899
2900                 // If the "japanese" package (i.e. pLaTeX) is used,
2901                 // inputenc must be omitted.
2902                 // see http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129680.html
2903                 if ((!encodings.empty() || package == Encoding::inputenc)
2904                     && !features.isRequired("japanese")
2905                     && !features.isProvided("inputenc")) {
2906                         os << "\\usepackage[";
2907                         set<string>::const_iterator it = encodings.begin();
2908                         set<string>::const_iterator const end = encodings.end();
2909                         if (it != end) {
2910                                 os << from_ascii(*it);
2911                                 ++it;
2912                         }
2913                         for (; it != end; ++it)
2914                                 os << ',' << from_ascii(*it);
2915                         if (package == Encoding::inputenc) {
2916                                 if (!encodings.empty())
2917                                         os << ',';
2918                                 os << from_ascii(doc_encoding);
2919                         }
2920                         os << "]{inputenc}\n";
2921                 }
2922                 if (package == Encoding::CJK || features.mustProvide("CJK")) {
2923                         if (language->encoding()->name() == "utf8-cjk"
2924                             && LaTeXFeatures::isAvailable("CJKutf8"))
2925                                 os << "\\usepackage{CJKutf8}\n";
2926                         else
2927                                 os << "\\usepackage{CJK}\n";
2928                 }
2929         } else if (inputenc != "default") {
2930                 switch (encoding().package()) {
2931                 case Encoding::none:
2932                 case Encoding::japanese:
2933                         break;
2934                 case Encoding::inputenc:
2935                         // do not load inputenc if japanese is used
2936                         // or if the class provides inputenc
2937                         if (features.isRequired("japanese")
2938                             || features.isProvided("inputenc"))
2939                                 break;
2940                         os << "\\usepackage[" << from_ascii(encoding().latexName())
2941                            << "]{inputenc}\n";
2942                         break;
2943                 case Encoding::CJK:
2944                         if (encoding().name() == "utf8-cjk"
2945                             && LaTeXFeatures::isAvailable("CJKutf8"))
2946                                 os << "\\usepackage{CJKutf8}\n";
2947                         else
2948                                 os << "\\usepackage{CJK}\n";
2949                         break;
2950                 }
2951                 // Load the CJK package if needed by a secondary language.
2952                 // If the main encoding is some variant of UTF8, use CJKutf8.
2953                 if (encoding().package() != Encoding::CJK && features.mustProvide("CJK")) {
2954                         if (encoding().iconvName() == "UTF-8"
2955                             && LaTeXFeatures::isAvailable("CJKutf8"))
2956                                 os << "\\usepackage{CJKutf8}\n";
2957                         else
2958                                 os << "\\usepackage{CJK}\n";
2959                 }
2960         }
2961 }
2962
2963
2964 string const BufferParams::parseFontName(string const & name) const
2965 {
2966         string mangled = name;
2967         size_t const idx = mangled.find('[');
2968         if (idx == string::npos || idx == 0)
2969                 return mangled;
2970         else
2971                 return mangled.substr(0, idx - 1);
2972 }
2973
2974
2975 string const BufferParams::loadFonts(LaTeXFeatures & features) const
2976 {
2977         if (fonts_roman == "default" && fonts_sans == "default"
2978             && fonts_typewriter == "default"
2979             && (fonts_math == "default" || fonts_math == "auto"))
2980                 //nothing to do
2981                 return string();
2982
2983         ostringstream os;
2984
2985         /* Fontspec (XeTeX, LuaTeX): we provide GUI support for oldstyle
2986          * numbers (Numbers=OldStyle) and sf/tt scaling. The Ligatures=TeX/
2987          * Mapping=tex-text option assures TeX ligatures (such as "--")
2988          * are resolved. Note that tt does not use these ligatures.
2989          * TODO:
2990          *    -- add more GUI options?
2991          *    -- add more fonts (fonts for other scripts)
2992          *    -- if there's a way to find out if a font really supports
2993          *       OldStyle, enable/disable the widget accordingly.
2994         */
2995         if (useNonTeXFonts && features.isAvailable("fontspec")) {
2996                 // "Mapping=tex-text" and "Ligatures=TeX" are equivalent.
2997                 // However, until v.2 (2010/07/11) fontspec only knew
2998                 // Mapping=tex-text (for XeTeX only); then "Ligatures=TeX"
2999                 // was introduced for both XeTeX and LuaTeX (LuaTeX
3000                 // didn't understand "Mapping=tex-text", while XeTeX
3001                 // understood both. With most recent versions, both
3002                 // variants are understood by both engines. However,
3003                 // we want to provide support for at least TeXLive 2009
3004                 // (for XeTeX; LuaTeX is only supported as of v.2)
3005                 string const texmapping =
3006                         (features.runparams().flavor == OutputParams::XETEX) ?
3007                         "Mapping=tex-text" : "Ligatures=TeX";
3008                 if (fonts_roman != "default") {
3009                         os << "\\setmainfont[" << texmapping;
3010                         if (fonts_old_figures)
3011                                 os << ",Numbers=OldStyle";
3012                         os << "]{" << parseFontName(fonts_roman) << "}\n";
3013                 }
3014                 if (fonts_sans != "default") {
3015                         string const sans = parseFontName(fonts_sans);
3016                         if (fonts_sans_scale != 100)
3017                                 os << "\\setsansfont[Scale="
3018                                    << float(fonts_sans_scale) / 100
3019                                    << "," << texmapping << "]{"
3020                                    << sans << "}\n";
3021                         else
3022                                 os << "\\setsansfont[" << texmapping << "]{"
3023                                    << sans << "}\n";
3024                 }
3025                 if (fonts_typewriter != "default") {
3026                         string const mono = parseFontName(fonts_typewriter);
3027                         if (fonts_typewriter_scale != 100)
3028                                 os << "\\setmonofont[Scale="
3029                                    << float(fonts_typewriter_scale) / 100
3030                                    << "]{"
3031                                    << mono << "}\n";
3032                         else
3033                                 os << "\\setmonofont{"
3034                                    << mono << "}\n";
3035                 }
3036                 return os.str();
3037         }
3038
3039         // Tex Fonts
3040         bool const ot1 = (font_encoding() == "default" || font_encoding() == "OT1");
3041         bool const dryrun = features.runparams().dryrun;
3042         bool const complete = (fonts_sans == "default" && fonts_typewriter == "default");
3043         bool const nomath = (fonts_math == "default");
3044
3045         // ROMAN FONTS
3046         os << theLaTeXFonts().getLaTeXFont(from_ascii(fonts_roman)).getLaTeXCode(
3047                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3048                 nomath);
3049
3050         // SANS SERIF
3051         os << theLaTeXFonts().getLaTeXFont(from_ascii(fonts_sans)).getLaTeXCode(
3052                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3053                 nomath, fonts_sans_scale);
3054
3055         // MONOSPACED/TYPEWRITER
3056         os << theLaTeXFonts().getLaTeXFont(from_ascii(fonts_typewriter)).getLaTeXCode(
3057                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3058                 nomath, fonts_typewriter_scale);
3059
3060         // MATH
3061         os << theLaTeXFonts().getLaTeXFont(from_ascii(fonts_math)).getLaTeXCode(
3062                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3063                 nomath);
3064
3065         return os.str();
3066 }
3067
3068
3069 Encoding const & BufferParams::encoding() const
3070 {
3071         // FIXME: actually, we should check for the flavor
3072         // or runparams.isFullyUnicode() here:
3073         // This check will not work with XeTeX/LuaTeX and tex fonts.
3074         // Thus we have to reset the encoding in Buffer::makeLaTeXFile
3075         // (for export) and Buffer::writeLaTeXSource (for preview).
3076         if (useNonTeXFonts)
3077                 return *(encodings.fromLyXName("utf8-plain"));
3078         if (inputenc == "auto" || inputenc == "default")
3079                 return *language->encoding();
3080         Encoding const * const enc = encodings.fromLyXName(inputenc);
3081         if (enc)
3082                 return *enc;
3083         LYXERR0("Unknown inputenc value `" << inputenc
3084                << "'. Using `auto' instead.");
3085         return *language->encoding();
3086 }
3087
3088
3089 bool BufferParams::addCiteEngine(string const & engine)
3090 {
3091         LayoutModuleList::const_iterator it = cite_engine_.begin();
3092         LayoutModuleList::const_iterator en = cite_engine_.end();
3093         for (; it != en; ++it)
3094                 if (*it == engine)
3095                         return false;
3096         cite_engine_.push_back(engine);
3097         return true;
3098 }
3099
3100
3101 bool BufferParams::addCiteEngine(vector<string> const & engine)
3102 {
3103         vector<string>::const_iterator it = engine.begin();
3104         vector<string>::const_iterator en = engine.end();
3105         bool ret = true;
3106         for (; it != en; ++it)
3107                 if (!addCiteEngine(*it))
3108                         ret = false;
3109         return ret;
3110 }
3111
3112
3113 string const & BufferParams::defaultBiblioStyle() const
3114 {
3115         return documentClass().defaultBiblioStyle();
3116 }
3117
3118
3119 bool const & BufferParams::fullAuthorList() const
3120 {
3121         return documentClass().fullAuthorList();
3122 }
3123
3124
3125 void BufferParams::setCiteEngine(string const & engine)
3126 {
3127         clearCiteEngine();
3128         addCiteEngine(engine);
3129 }
3130
3131
3132 void BufferParams::setCiteEngine(vector<string> const & engine)
3133 {
3134         clearCiteEngine();
3135         addCiteEngine(engine);
3136 }
3137
3138
3139 vector<string> BufferParams::citeCommands() const
3140 {
3141         static CitationStyle const default_style;
3142         vector<string> commands =
3143                 documentClass().citeCommands(citeEngineType());
3144         if (commands.empty())
3145                 commands.push_back(default_style.cmd);
3146         return commands;
3147 }
3148
3149
3150 vector<CitationStyle> BufferParams::citeStyles() const
3151 {
3152         static CitationStyle const default_style;
3153         vector<CitationStyle> styles =
3154                 documentClass().citeStyles(citeEngineType());
3155         if (styles.empty())
3156                 styles.push_back(default_style);
3157         return styles;
3158 }
3159
3160 } // namespace lyx