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