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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.h"
24 #include "buffer_funcs.h"
25 #include "Bullet.h"
26 #include "CiteEnginesList.h"
27 #include "Color.h"
28 #include "ColorSet.h"
29 #include "Converter.h"
30 #include "Encoding.h"
31 #include "IndicesList.h"
32 #include "Language.h"
33 #include "LaTeXFeatures.h"
34 #include "LaTeXFonts.h"
35 #include "Length.h"
36 #include "ModuleList.h"
37 #include "Font.h"
38 #include "Lexer.h"
39 #include "LyXRC.h"
40 #include "OutputParams.h"
41 #include "Spacing.h"
42 #include "texstream.h"
43 #include "TexRow.h"
44 #include "VSpace.h"
45 #include "PDFOptions.h"
46
47 #include "frontends/alert.h"
48
49 #include "insets/InsetListingsParams.h"
50
51 #include "support/convert.h"
52 #include "support/debug.h"
53 #include "support/docstream.h"
54 #include "support/FileName.h"
55 #include "support/filetools.h"
56 #include "support/gettext.h"
57 #include "support/Messages.h"
58 #include "support/mutex.h"
59 #include "support/Package.h"
60 #include "support/Translator.h"
61 #include "support/lstrings.h"
62
63 #include <algorithm>
64 #include <sstream>
65
66 using namespace std;
67 using namespace lyx::support;
68
69
70 static char const * const string_paragraph_separation[] = {
71         "indent", "skip", ""
72 };
73
74
75 static char const * const string_quotes_style[] = {
76         "english", "swedish", "german", "polish", "swiss", "danish", "plain",
77         "british", "swedishg", "french", "frenchin", "russian", "cjk", "cjkangle", ""
78 };
79
80
81 static char const * const string_papersize[] = {
82         "default", "custom", "letterpaper", "legalpaper", "executivepaper",
83         "a0paper", "a1paper", "a2paper", "a3paper",     "a4paper", "a5paper",
84         "a6paper", "b0paper", "b1paper", "b2paper","b3paper", "b4paper",
85         "b5paper", "b6paper", "c0paper", "c1paper", "c2paper", "c3paper",
86         "c4paper", "c5paper", "c6paper", "b0j", "b1j", "b2j", "b3j", "b4j", "b5j",
87         "b6j", ""
88 };
89
90
91 static char const * const string_orientation[] = {
92         "portrait", "landscape", ""
93 };
94
95
96 static char const * const tex_graphics[] = {
97         "default", "dvialw", "dvilaser", "dvipdf", "dvipdfm", "dvipdfmx",
98         "dvips", "dvipsone", "dvitops", "dviwin", "dviwindo", "dvi2ps", "emtex",
99         "ln", "oztex", "pctexhp", "pctexps", "pctexwin", "pctex32", "pdftex",
100         "psprint", "pubps", "tcidvi", "textures", "truetex", "vtex", "xdvi",
101         "xetex", "none", ""
102 };
103
104
105
106 namespace lyx {
107
108 // Local translators
109 namespace {
110
111 // Paragraph separation
112 typedef Translator<string, BufferParams::ParagraphSeparation> ParSepTranslator;
113
114
115 ParSepTranslator const init_parseptranslator()
116 {
117         ParSepTranslator translator
118                 (string_paragraph_separation[0], BufferParams::ParagraphIndentSeparation);
119         translator.addPair(string_paragraph_separation[1], BufferParams::ParagraphSkipSeparation);
120         return translator;
121 }
122
123
124 ParSepTranslator const & parseptranslator()
125 {
126         static ParSepTranslator const translator =
127                 init_parseptranslator();
128         return translator;
129 }
130
131
132 // Quotes style
133 typedef Translator<string, InsetQuotesParams::QuoteStyle> QuotesStyleTranslator;
134
135
136 QuotesStyleTranslator const init_quotesstyletranslator()
137 {
138         QuotesStyleTranslator translator
139                 (string_quotes_style[0], InsetQuotesParams::EnglishQuotes);
140         translator.addPair(string_quotes_style[1], InsetQuotesParams::SwedishQuotes);
141         translator.addPair(string_quotes_style[2], InsetQuotesParams::GermanQuotes);
142         translator.addPair(string_quotes_style[3], InsetQuotesParams::PolishQuotes);
143         translator.addPair(string_quotes_style[4], InsetQuotesParams::SwissQuotes);
144         translator.addPair(string_quotes_style[5], InsetQuotesParams::DanishQuotes);
145         translator.addPair(string_quotes_style[6], InsetQuotesParams::PlainQuotes);
146         translator.addPair(string_quotes_style[7], InsetQuotesParams::BritishQuotes);
147         translator.addPair(string_quotes_style[8], InsetQuotesParams::SwedishGQuotes);
148         translator.addPair(string_quotes_style[9], InsetQuotesParams::FrenchQuotes);
149         translator.addPair(string_quotes_style[10], InsetQuotesParams::FrenchINQuotes);
150         translator.addPair(string_quotes_style[11], InsetQuotesParams::RussianQuotes);
151         translator.addPair(string_quotes_style[12], InsetQuotesParams::CJKQuotes);
152         translator.addPair(string_quotes_style[13], InsetQuotesParams::CJKAngleQuotes);
153         return translator;
154 }
155
156
157 QuotesStyleTranslator const & quotesstyletranslator()
158 {
159         static QuotesStyleTranslator const translator =
160                 init_quotesstyletranslator();
161         return translator;
162 }
163
164
165 // Paper size
166 typedef Translator<string, PAPER_SIZE> PaperSizeTranslator;
167
168
169 static PaperSizeTranslator initPaperSizeTranslator()
170 {
171         PaperSizeTranslator translator(string_papersize[0], PAPER_DEFAULT);
172         translator.addPair(string_papersize[1], PAPER_CUSTOM);
173         translator.addPair(string_papersize[2], PAPER_USLETTER);
174         translator.addPair(string_papersize[3], PAPER_USLEGAL);
175         translator.addPair(string_papersize[4], PAPER_USEXECUTIVE);
176         translator.addPair(string_papersize[5], PAPER_A0);
177         translator.addPair(string_papersize[6], PAPER_A1);
178         translator.addPair(string_papersize[7], PAPER_A2);
179         translator.addPair(string_papersize[8], PAPER_A3);
180         translator.addPair(string_papersize[9], PAPER_A4);
181         translator.addPair(string_papersize[10], PAPER_A5);
182         translator.addPair(string_papersize[11], PAPER_A6);
183         translator.addPair(string_papersize[12], PAPER_B0);
184         translator.addPair(string_papersize[13], PAPER_B1);
185         translator.addPair(string_papersize[14], PAPER_B2);
186         translator.addPair(string_papersize[15], PAPER_B3);
187         translator.addPair(string_papersize[16], PAPER_B4);
188         translator.addPair(string_papersize[17], PAPER_B5);
189         translator.addPair(string_papersize[18], PAPER_B6);
190         translator.addPair(string_papersize[19], PAPER_C0);
191         translator.addPair(string_papersize[20], PAPER_C1);
192         translator.addPair(string_papersize[21], PAPER_C2);
193         translator.addPair(string_papersize[22], PAPER_C3);
194         translator.addPair(string_papersize[23], PAPER_C4);
195         translator.addPair(string_papersize[24], PAPER_C5);
196         translator.addPair(string_papersize[25], PAPER_C6);
197         translator.addPair(string_papersize[26], PAPER_JISB0);
198         translator.addPair(string_papersize[27], PAPER_JISB1);
199         translator.addPair(string_papersize[28], PAPER_JISB2);
200         translator.addPair(string_papersize[29], PAPER_JISB3);
201         translator.addPair(string_papersize[30], PAPER_JISB4);
202         translator.addPair(string_papersize[31], PAPER_JISB5);
203         translator.addPair(string_papersize[32], PAPER_JISB6);
204         return translator;
205 }
206
207
208 PaperSizeTranslator const & papersizetranslator()
209 {
210         static PaperSizeTranslator const translator =
211                 initPaperSizeTranslator();
212         return translator;
213 }
214
215
216 // Paper orientation
217 typedef Translator<string, PAPER_ORIENTATION> PaperOrientationTranslator;
218
219
220 PaperOrientationTranslator const init_paperorientationtranslator()
221 {
222         PaperOrientationTranslator translator(string_orientation[0], ORIENTATION_PORTRAIT);
223         translator.addPair(string_orientation[1], ORIENTATION_LANDSCAPE);
224         return translator;
225 }
226
227
228 PaperOrientationTranslator const & paperorientationtranslator()
229 {
230         static PaperOrientationTranslator const translator =
231             init_paperorientationtranslator();
232         return translator;
233 }
234
235
236 // Page sides
237 typedef Translator<int, PageSides> SidesTranslator;
238
239
240 SidesTranslator const init_sidestranslator()
241 {
242         SidesTranslator translator(1, OneSide);
243         translator.addPair(2, TwoSides);
244         return translator;
245 }
246
247
248 SidesTranslator const & sidestranslator()
249 {
250         static SidesTranslator const translator = init_sidestranslator();
251         return translator;
252 }
253
254
255 // LaTeX packages
256 typedef Translator<int, BufferParams::Package> PackageTranslator;
257
258
259 PackageTranslator const init_packagetranslator()
260 {
261         PackageTranslator translator(0, BufferParams::package_off);
262         translator.addPair(1, BufferParams::package_auto);
263         translator.addPair(2, BufferParams::package_on);
264         return translator;
265 }
266
267
268 PackageTranslator const & packagetranslator()
269 {
270         static PackageTranslator const translator =
271                 init_packagetranslator();
272         return translator;
273 }
274
275
276 // Spacing
277 typedef Translator<string, Spacing::Space> SpaceTranslator;
278
279
280 SpaceTranslator const init_spacetranslator()
281 {
282         SpaceTranslator translator("default", Spacing::Default);
283         translator.addPair("single", Spacing::Single);
284         translator.addPair("onehalf", Spacing::Onehalf);
285         translator.addPair("double", Spacing::Double);
286         translator.addPair("other", Spacing::Other);
287         return translator;
288 }
289
290
291 SpaceTranslator const & spacetranslator()
292 {
293         static SpaceTranslator const translator = init_spacetranslator();
294         return translator;
295 }
296
297
298 bool inSystemDir(FileName const & document_dir, string & system_dir)
299 {
300         // A document is assumed to be in a system LyX directory (not
301         // necessarily the system directory of the running instance)
302         // if both "configure.py" and "chkconfig.ltx" are found in
303         // either document_dir/../ or document_dir/../../.
304         // If true, the system directory path is returned in system_dir
305         // with a trailing path separator.
306
307         string const msg = "Checking whether document is in a system dir...";
308
309         string dir = document_dir.absFileName();
310
311         for (int i = 0; i < 2; ++i) {
312                 dir = addPath(dir, "..");
313                 if (!fileSearch(dir, "configure.py").empty() &&
314                     !fileSearch(dir, "chkconfig.ltx").empty()) {
315                         LYXERR(Debug::FILES, msg << " yes");
316                         system_dir = addPath(FileName(dir).realPath(), "");
317                         return true;
318                 }
319         }
320
321         LYXERR(Debug::FILES, msg << " no");
322         system_dir = string();
323         return false;
324 }
325
326 } // anon namespace
327
328
329 class BufferParams::Impl
330 {
331 public:
332         Impl();
333
334         AuthorList authorlist;
335         BranchList branchlist;
336         Bullet temp_bullets[4];
337         Bullet user_defined_bullets[4];
338         IndicesList indiceslist;
339         Spacing spacing;
340         Length parindent;
341         Length mathindent;
342         /** This is the amount of space used for paragraph_separation "skip",
343          * and for detached paragraphs in "indented" documents.
344          */
345         VSpace defskip;
346         PDFOptions pdfoptions;
347         LayoutFileIndex baseClass_;
348         FormatList exportableFormatList;
349         FormatList viewableFormatList;
350         bool isViewCacheValid;
351         bool isExportCacheValid;
352 };
353
354
355 BufferParams::Impl::Impl()
356         : defskip(VSpace::MEDSKIP), baseClass_(string("")),
357           isViewCacheValid(false), isExportCacheValid(false)
358 {
359         // set initial author
360         // FIXME UNICODE
361         authorlist.record(Author(from_utf8(lyxrc.user_name), from_utf8(lyxrc.user_email)));
362 }
363
364
365 BufferParams::Impl *
366 BufferParams::MemoryTraits::clone(BufferParams::Impl const * ptr)
367 {
368         LBUFERR(ptr);
369         return new BufferParams::Impl(*ptr);
370 }
371
372
373 void BufferParams::MemoryTraits::destroy(BufferParams::Impl * ptr)
374 {
375         delete ptr;
376 }
377
378
379 BufferParams::BufferParams()
380         : pimpl_(new Impl)
381 {
382         setBaseClass(defaultBaseclass());
383         cite_engine_.push_back("basic");
384         cite_engine_type_ = ENGINE_TYPE_DEFAULT;
385         makeDocumentClass();
386         paragraph_separation = ParagraphIndentSeparation;
387         is_math_indent = false;
388         quotes_style = InsetQuotesParams::EnglishQuotes;
389         dynamic_quotes = false;
390         fontsize = "default";
391
392         /*  PaperLayout */
393         papersize = PAPER_DEFAULT;
394         orientation = ORIENTATION_PORTRAIT;
395         use_geometry = false;
396         biblio_style = "plain";
397         use_bibtopic = false;
398         multibib = string();
399         use_indices = false;
400         save_transient_properties = true;
401         track_changes = false;
402         output_changes = false;
403         use_default_options = true;
404         maintain_unincluded_children = false;
405         secnumdepth = 3;
406         tocdepth = 3;
407         language = default_language;
408         fontenc = "global";
409         fonts_roman[0] = "default";
410         fonts_roman[1] = "default";
411         fonts_sans[0] = "default";
412         fonts_sans[1] = "default";
413         fonts_typewriter[0] = "default";
414         fonts_typewriter[1] = "default";
415         fonts_math[0] = "auto";
416         fonts_math[1] = "auto";
417         fonts_default_family = "default";
418         useNonTeXFonts = false;
419         use_microtype = false;
420         use_dash_ligatures = true;
421         fonts_expert_sc = false;
422         fonts_old_figures = false;
423         fonts_sans_scale[0] = 100;
424         fonts_sans_scale[1] = 100;
425         fonts_typewriter_scale[0] = 100;
426         fonts_typewriter_scale[1] = 100;
427         inputenc = "auto";
428         lang_package = "default";
429         graphics_driver = "default";
430         default_output_format = "default";
431         bibtex_command = "default";
432         index_command = "default";
433         sides = OneSide;
434         columns = 1;
435         listings_params = string();
436         pagestyle = "default";
437         suppress_date = false;
438         justification = true;
439         // no color is the default (white)
440         backgroundcolor = lyx::rgbFromHexName("#ffffff");
441         isbackgroundcolor = false;
442         // no color is the default (black)
443         fontcolor = lyx::rgbFromHexName("#000000");
444         isfontcolor = false;
445         // light gray is the default font color for greyed-out notes
446         notefontcolor = lyx::rgbFromHexName("#cccccc");
447         boxbgcolor = lyx::rgbFromHexName("#ff0000");
448         compressed = lyxrc.save_compressed;
449         for (int iter = 0; iter < 4; ++iter) {
450                 user_defined_bullet(iter) = ITEMIZE_DEFAULTS[iter];
451                 temp_bullet(iter) = ITEMIZE_DEFAULTS[iter];
452         }
453         // default index
454         indiceslist().addDefault(B_("Index"));
455         html_be_strict = false;
456         html_math_output = MathML;
457         html_math_img_scale = 1.0;
458         html_css_as_file = false;
459         display_pixel_ratio = 1.0;
460
461         output_sync = false;
462         use_refstyle = true;
463
464         // map current author
465         author_map_[pimpl_->authorlist.get(0).bufferId()] = 0;
466 }
467
468
469 docstring BufferParams::B_(string const & l10n) const
470 {
471         LASSERT(language, return from_utf8(l10n));
472         return getMessages(language->code()).get(l10n);
473 }
474
475
476 BufferParams::Package BufferParams::use_package(std::string const & p) const
477 {
478         PackageMap::const_iterator it = use_packages.find(p);
479         if (it == use_packages.end())
480                 return package_auto;
481         return it->second;
482 }
483
484
485 void BufferParams::use_package(std::string const & p, BufferParams::Package u)
486 {
487         use_packages[p] = u;
488 }
489
490
491 map<string, string> const & BufferParams::auto_packages()
492 {
493         static map<string, string> packages;
494         if (packages.empty()) {
495                 // We could have a race condition here that two threads
496                 // discover an empty map at the same time and want to fill
497                 // it, but that is no problem, since the same contents is
498                 // filled in twice then. Having the locker inside the
499                 // packages.empty() condition has the advantage that we
500                 // don't need the mutex overhead for simple reading.
501                 static Mutex mutex;
502                 Mutex::Locker locker(&mutex);
503                 // adding a package here implies a file format change!
504                 packages["amsmath"] =
505                         N_("The LaTeX package amsmath is only used if AMS formula types or symbols from the AMS math toolbars are inserted into formulas");
506                 packages["amssymb"] =
507                         N_("The LaTeX package amssymb is only used if symbols from the AMS math toolbars are inserted into formulas");
508                 packages["cancel"] =
509                         N_("The LaTeX package cancel is only used if \\cancel commands are used in formulas");
510                 packages["esint"] =
511                         N_("The LaTeX package esint is only used if special integral symbols are inserted into formulas");
512                 packages["mathdots"] =
513                         N_("The LaTeX package mathdots is only used if the command \\iddots is inserted into formulas");
514                 packages["mathtools"] =
515                         N_("The LaTeX package mathtools is only used if some mathematical relations are inserted into formulas");
516                 packages["mhchem"] =
517                         N_("The LaTeX package mhchem is only used if either the command \\ce or \\cf is inserted into formulas");
518                 packages["stackrel"] =
519                         N_("The LaTeX package stackrel is only used if the command \\stackrel with subscript is inserted into formulas");
520                 packages["stmaryrd"] =
521                         N_("The LaTeX package stmaryrd is only used if symbols from the St Mary's Road symbol font for theoretical computer science are inserted into formulas");
522                 packages["undertilde"] =
523                         N_("The LaTeX package undertilde is only used if you use the math frame decoration 'utilde'");
524         }
525         return packages;
526 }
527
528
529 bool BufferParams::useBibtopic() const
530 {
531         if (useBiblatex())
532                 return false;
533         return (use_bibtopic || (!multibib.empty() && multibib != "child"));
534 }
535
536
537 AuthorList & BufferParams::authors()
538 {
539         return pimpl_->authorlist;
540 }
541
542
543 AuthorList const & BufferParams::authors() const
544 {
545         return pimpl_->authorlist;
546 }
547
548
549 void BufferParams::addAuthor(Author a)
550 {
551         author_map_[a.bufferId()] = pimpl_->authorlist.record(a);
552 }
553
554
555 BranchList & BufferParams::branchlist()
556 {
557         return pimpl_->branchlist;
558 }
559
560
561 BranchList const & BufferParams::branchlist() const
562 {
563         return pimpl_->branchlist;
564 }
565
566
567 IndicesList & BufferParams::indiceslist()
568 {
569         return pimpl_->indiceslist;
570 }
571
572
573 IndicesList const & BufferParams::indiceslist() const
574 {
575         return pimpl_->indiceslist;
576 }
577
578
579 Bullet & BufferParams::temp_bullet(lyx::size_type const index)
580 {
581         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
582         return pimpl_->temp_bullets[index];
583 }
584
585
586 Bullet const & BufferParams::temp_bullet(lyx::size_type const index) const
587 {
588         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
589         return pimpl_->temp_bullets[index];
590 }
591
592
593 Bullet & BufferParams::user_defined_bullet(lyx::size_type const index)
594 {
595         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
596         return pimpl_->user_defined_bullets[index];
597 }
598
599
600 Bullet const & BufferParams::user_defined_bullet(lyx::size_type const index) const
601 {
602         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
603         return pimpl_->user_defined_bullets[index];
604 }
605
606
607 Spacing & BufferParams::spacing()
608 {
609         return pimpl_->spacing;
610 }
611
612
613 Spacing const & BufferParams::spacing() const
614 {
615         return pimpl_->spacing;
616 }
617
618
619 PDFOptions & BufferParams::pdfoptions()
620 {
621         return pimpl_->pdfoptions;
622 }
623
624
625 PDFOptions const & BufferParams::pdfoptions() const
626 {
627         return pimpl_->pdfoptions;
628 }
629
630
631 Length const & BufferParams::getMathIndent() const
632 {
633         return pimpl_->mathindent;
634 }
635
636
637 void BufferParams::setMathIndent(Length const & indent)
638 {
639         pimpl_->mathindent = indent;
640 }
641
642
643 Length const & BufferParams::getParIndent() const
644 {
645         return pimpl_->parindent;
646 }
647
648
649 void BufferParams::setParIndent(Length const & indent)
650 {
651         pimpl_->parindent = indent;
652 }
653
654
655 VSpace const & BufferParams::getDefSkip() const
656 {
657         return pimpl_->defskip;
658 }
659
660
661 void BufferParams::setDefSkip(VSpace const & vs)
662 {
663         // DEFSKIP will cause an infinite loop
664         LASSERT(vs.kind() != VSpace::DEFSKIP, return);
665         pimpl_->defskip = vs;
666 }
667
668
669 string BufferParams::readToken(Lexer & lex, string const & token,
670         FileName const & filepath)
671 {
672         string result;
673
674         if (token == "\\textclass") {
675                 lex.next();
676                 string const classname = lex.getString();
677                 // if there exists a local layout file, ignore the system one
678                 // NOTE: in this case, the textclass (.cls file) is assumed to
679                 // be available.
680                 string tcp;
681                 LayoutFileList & bcl = LayoutFileList::get();
682                 if (!filepath.empty()) {
683                         // If classname is an absolute path, the document is
684                         // using a local layout file which could not be accessed
685                         // by a relative path. In this case the path is correct
686                         // even if the document was moved to a different
687                         // location. However, we will have a problem if the
688                         // document was generated on a different platform.
689                         bool isabsolute = FileName::isAbsolute(classname);
690                         string const classpath = onlyPath(classname);
691                         string const path = isabsolute ? classpath
692                                 : FileName(addPath(filepath.absFileName(),
693                                                 classpath)).realPath();
694                         string const oldpath = isabsolute ? string()
695                                 : FileName(addPath(origin, classpath)).realPath();
696                         tcp = bcl.addLocalLayout(onlyFileName(classname), path, oldpath);
697                 }
698                 // that returns non-empty if a "local" layout file is found.
699                 if (!tcp.empty()) {
700                         result = to_utf8(makeRelPath(from_utf8(onlyPath(tcp)),
701                                                 from_utf8(filepath.absFileName())));
702                         if (result.empty())
703                                 result = ".";
704                         setBaseClass(onlyFileName(tcp));
705                 } else
706                         setBaseClass(onlyFileName(classname));
707                 // We assume that a tex class exists for local or unknown
708                 // layouts so this warning, will only be given for system layouts.
709                 if (!baseClass()->isTeXClassAvailable()) {
710                         docstring const desc =
711                                 translateIfPossible(from_utf8(baseClass()->description()));
712                         docstring const prereqs =
713                                 from_utf8(baseClass()->prerequisites());
714                         docstring const msg =
715                                 bformat(_("The selected document class\n"
716                                                  "\t%1$s\n"
717                                                  "requires external files that are not available.\n"
718                                                  "The document class can still be used, but the\n"
719                                                  "document cannot be compiled until the following\n"
720                                                  "prerequisites are installed:\n"
721                                                  "\t%2$s\n"
722                                                  "See section 3.1.2.2 (Class Availability) of the\n"
723                                                  "User's Guide for more information."), desc, prereqs);
724                         frontend::Alert::warning(_("Document class not available"),
725                                        msg, true);
726                 }
727         } else if (token == "\\save_transient_properties") {
728                 lex >> save_transient_properties;
729         } else if (token == "\\origin") {
730                 lex.eatLine();
731                 origin = lex.getString();
732                 string const sysdirprefix = "/systemlyxdir/";
733                 if (prefixIs(origin, sysdirprefix)) {
734                         string docsys;
735                         if (inSystemDir(filepath, docsys))
736                                 origin.replace(0, sysdirprefix.length() - 1, docsys);
737                         else
738                                 origin.replace(0, sysdirprefix.length() - 1,
739                                         package().system_support().absFileName());
740                 }
741         } else if (token == "\\begin_preamble") {
742                 readPreamble(lex);
743         } else if (token == "\\begin_local_layout") {
744                 readLocalLayout(lex, false);
745         } else if (token == "\\begin_forced_local_layout") {
746                 readLocalLayout(lex, true);
747         } else if (token == "\\begin_modules") {
748                 readModules(lex);
749         } else if (token == "\\begin_removed_modules") {
750                 readRemovedModules(lex);
751         } else if (token == "\\begin_includeonly") {
752                 readIncludeonly(lex);
753         } else if (token == "\\maintain_unincluded_children") {
754                 lex >> maintain_unincluded_children;
755         } else if (token == "\\options") {
756                 lex.eatLine();
757                 options = lex.getString();
758         } else if (token == "\\use_default_options") {
759                 lex >> use_default_options;
760         } else if (token == "\\master") {
761                 lex.eatLine();
762                 master = lex.getString();
763                 if (!filepath.empty() && FileName::isAbsolute(origin)) {
764                         bool const isabs = FileName::isAbsolute(master);
765                         FileName const abspath(isabs ? master : origin + master);
766                         bool const moved = filepath != FileName(origin);
767                         if (moved && abspath.exists()) {
768                                 docstring const path = isabs
769                                         ? from_utf8(master)
770                                         : from_utf8(abspath.realPath());
771                                 docstring const refpath =
772                                         from_utf8(filepath.absFileName());
773                                 master = to_utf8(makeRelPath(path, refpath));
774                         }
775                 }
776         } else if (token == "\\suppress_date") {
777                 lex >> suppress_date;
778         } else if (token == "\\justification") {
779                 lex >> justification;
780         } else if (token == "\\language") {
781                 readLanguage(lex);
782         } else if (token == "\\language_package") {
783                 lex.eatLine();
784                 lang_package = lex.getString();
785         } else if (token == "\\inputencoding") {
786                 lex >> inputenc;
787         } else if (token == "\\graphics") {
788                 readGraphicsDriver(lex);
789         } else if (token == "\\default_output_format") {
790                 lex >> default_output_format;
791         } else if (token == "\\bibtex_command") {
792                 lex.eatLine();
793                 bibtex_command = lex.getString();
794         } else if (token == "\\index_command") {
795                 lex.eatLine();
796                 index_command = lex.getString();
797         } else if (token == "\\fontencoding") {
798                 lex.eatLine();
799                 fontenc = lex.getString();
800         } else if (token == "\\font_roman") {
801                 lex >> fonts_roman[0];
802                 lex >> fonts_roman[1];
803         } else if (token == "\\font_sans") {
804                 lex >> fonts_sans[0];
805                 lex >> fonts_sans[1];
806         } else if (token == "\\font_typewriter") {
807                 lex >> fonts_typewriter[0];
808                 lex >> fonts_typewriter[1];
809         } else if (token == "\\font_math") {
810                 lex >> fonts_math[0];
811                 lex >> fonts_math[1];
812         } else if (token == "\\font_default_family") {
813                 lex >> fonts_default_family;
814         } else if (token == "\\use_non_tex_fonts") {
815                 lex >> useNonTeXFonts;
816         } else if (token == "\\font_sc") {
817                 lex >> fonts_expert_sc;
818         } else if (token == "\\font_osf") {
819                 lex >> fonts_old_figures;
820         } else if (token == "\\font_sf_scale") {
821                 lex >> fonts_sans_scale[0];
822                 lex >> fonts_sans_scale[1];
823         } else if (token == "\\font_tt_scale") {
824                 lex >> fonts_typewriter_scale[0];
825                 lex >> fonts_typewriter_scale[1];
826         } else if (token == "\\font_cjk") {
827                 lex >> fonts_cjk;
828         } else if (token == "\\use_microtype") {
829                 lex >> use_microtype;
830         } else if (token == "\\use_dash_ligatures") {
831                 lex >> use_dash_ligatures;
832         } else if (token == "\\paragraph_separation") {
833                 string parsep;
834                 lex >> parsep;
835                 paragraph_separation = parseptranslator().find(parsep);
836         } else if (token == "\\paragraph_indentation") {
837                 lex.next();
838                 string parindent = lex.getString();
839                 if (parindent == "default")
840                         pimpl_->parindent = Length();
841                 else
842                         pimpl_->parindent = Length(parindent);
843         } else if (token == "\\defskip") {
844                 lex.next();
845                 string const defskip = lex.getString();
846                 pimpl_->defskip = VSpace(defskip);
847                 if (pimpl_->defskip.kind() == VSpace::DEFSKIP)
848                         // that is invalid
849                         pimpl_->defskip = VSpace(VSpace::MEDSKIP);
850         } else if (token == "\\is_math_indent") {
851                 lex >> is_math_indent;
852         } else if (token == "\\math_indentation") {
853                 lex.next();
854                 pimpl_->mathindent = Length(lex.getString());
855         } else if (token == "\\quotes_style") {
856                 string qstyle;
857                 lex >> qstyle;
858                 quotes_style = quotesstyletranslator().find(qstyle);
859         } else if (token == "\\dynamic_quotes") {
860                 lex >> dynamic_quotes;
861         } else if (token == "\\papersize") {
862                 string ppsize;
863                 lex >> ppsize;
864                 papersize = papersizetranslator().find(ppsize);
865         } else if (token == "\\use_geometry") {
866                 lex >> use_geometry;
867         } else if (token == "\\use_package") {
868                 string package;
869                 int use;
870                 lex >> package;
871                 lex >> use;
872                 use_package(package, packagetranslator().find(use));
873         } else if (token == "\\cite_engine") {
874                 lex.eatLine();
875                 vector<string> engine = getVectorFromString(lex.getString());
876                 setCiteEngine(engine);
877         } else if (token == "\\cite_engine_type") {
878                 string engine_type;
879                 lex >> engine_type;
880                 cite_engine_type_ = theCiteEnginesList.getType(engine_type);
881         } else if (token == "\\biblio_style") {
882                 lex.eatLine();
883                 biblio_style = lex.getString();
884         } else if (token == "\\biblio_options") {
885                 lex.eatLine();
886                 biblio_opts = trim(lex.getString());
887         } else if (token == "\\biblatex_bibstyle") {
888                 lex.eatLine();
889                 biblatex_bibstyle = trim(lex.getString());
890         } else if (token == "\\biblatex_citestyle") {
891                 lex.eatLine();
892                 biblatex_citestyle = trim(lex.getString());
893         } else if (token == "\\use_bibtopic") {
894                 lex >> use_bibtopic;
895         } else if (token == "\\multibib") {
896                 lex >> multibib;
897         } else if (token == "\\use_indices") {
898                 lex >> use_indices;
899         } else if (token == "\\tracking_changes") {
900                 lex >> track_changes;
901         } else if (token == "\\output_changes") {
902                 lex >> output_changes;
903         } else if (token == "\\branch") {
904                 lex.eatLine();
905                 docstring branch = lex.getDocString();
906                 branchlist().add(branch);
907                 while (true) {
908                         lex.next();
909                         string const tok = lex.getString();
910                         if (tok == "\\end_branch")
911                                 break;
912                         Branch * branch_ptr = branchlist().find(branch);
913                         if (tok == "\\selected") {
914                                 lex.next();
915                                 if (branch_ptr)
916                                         branch_ptr->setSelected(lex.getInteger());
917                         }
918                         if (tok == "\\filename_suffix") {
919                                 lex.next();
920                                 if (branch_ptr)
921                                         branch_ptr->setFileNameSuffix(lex.getInteger());
922                         }
923                         if (tok == "\\color") {
924                                 lex.eatLine();
925                                 string color = lex.getString();
926                                 if (branch_ptr)
927                                         branch_ptr->setColor(color);
928                                 // Update also the Color table:
929                                 if (color == "none")
930                                         color = lcolor.getX11Name(Color_background);
931                                 // FIXME UNICODE
932                                 lcolor.setColor(to_utf8(branch), color);
933                         }
934                 }
935         } else if (token == "\\index") {
936                 lex.eatLine();
937                 docstring index = lex.getDocString();
938                 docstring shortcut;
939                 indiceslist().add(index);
940                 while (true) {
941                         lex.next();
942                         string const tok = lex.getString();
943                         if (tok == "\\end_index")
944                                 break;
945                         Index * index_ptr = indiceslist().find(index);
946                         if (tok == "\\shortcut") {
947                                 lex.next();
948                                 shortcut = lex.getDocString();
949                                 if (index_ptr)
950                                         index_ptr->setShortcut(shortcut);
951                         }
952                         if (tok == "\\color") {
953                                 lex.eatLine();
954                                 string color = lex.getString();
955                                 if (index_ptr)
956                                         index_ptr->setColor(color);
957                                 // Update also the Color table:
958                                 if (color == "none")
959                                         color = lcolor.getX11Name(Color_background);
960                                 // FIXME UNICODE
961                                 if (!shortcut.empty())
962                                         lcolor.setColor(to_utf8(shortcut), color);
963                         }
964                 }
965         } else if (token == "\\author") {
966                 lex.eatLine();
967                 istringstream ss(lex.getString());
968                 Author a;
969                 ss >> a;
970                 addAuthor(a);
971         } else if (token == "\\paperorientation") {
972                 string orient;
973                 lex >> orient;
974                 orientation = paperorientationtranslator().find(orient);
975         } else if (token == "\\backgroundcolor") {
976                 lex.eatLine();
977                 backgroundcolor = lyx::rgbFromHexName(lex.getString());
978                 isbackgroundcolor = true;
979         } else if (token == "\\fontcolor") {
980                 lex.eatLine();
981                 fontcolor = lyx::rgbFromHexName(lex.getString());
982                 isfontcolor = true;
983         } else if (token == "\\notefontcolor") {
984                 lex.eatLine();
985                 string color = lex.getString();
986                 notefontcolor = lyx::rgbFromHexName(color);
987                 lcolor.setColor("notefontcolor", color);
988         } else if (token == "\\boxbgcolor") {
989                 lex.eatLine();
990                 string color = lex.getString();
991                 boxbgcolor = lyx::rgbFromHexName(color);
992                 lcolor.setColor("boxbgcolor", color);
993         } else if (token == "\\paperwidth") {
994                 lex >> paperwidth;
995         } else if (token == "\\paperheight") {
996                 lex >> paperheight;
997         } else if (token == "\\leftmargin") {
998                 lex >> leftmargin;
999         } else if (token == "\\topmargin") {
1000                 lex >> topmargin;
1001         } else if (token == "\\rightmargin") {
1002                 lex >> rightmargin;
1003         } else if (token == "\\bottommargin") {
1004                 lex >> bottommargin;
1005         } else if (token == "\\headheight") {
1006                 lex >> headheight;
1007         } else if (token == "\\headsep") {
1008                 lex >> headsep;
1009         } else if (token == "\\footskip") {
1010                 lex >> footskip;
1011         } else if (token == "\\columnsep") {
1012                 lex >> columnsep;
1013         } else if (token == "\\paperfontsize") {
1014                 lex >> fontsize;
1015         } else if (token == "\\papercolumns") {
1016                 lex >> columns;
1017         } else if (token == "\\listings_params") {
1018                 string par;
1019                 lex >> par;
1020                 listings_params = InsetListingsParams(par).params();
1021         } else if (token == "\\papersides") {
1022                 int psides;
1023                 lex >> psides;
1024                 sides = sidestranslator().find(psides);
1025         } else if (token == "\\paperpagestyle") {
1026                 lex >> pagestyle;
1027         } else if (token == "\\bullet") {
1028                 readBullets(lex);
1029         } else if (token == "\\bulletLaTeX") {
1030                 readBulletsLaTeX(lex);
1031         } else if (token == "\\secnumdepth") {
1032                 lex >> secnumdepth;
1033         } else if (token == "\\tocdepth") {
1034                 lex >> tocdepth;
1035         } else if (token == "\\spacing") {
1036                 string nspacing;
1037                 lex >> nspacing;
1038                 string tmp_val;
1039                 if (nspacing == "other") {
1040                         lex >> tmp_val;
1041                 }
1042                 spacing().set(spacetranslator().find(nspacing), tmp_val);
1043         } else if (token == "\\float_placement") {
1044                 lex >> float_placement;
1045
1046         } else if (prefixIs(token, "\\pdf_") || token == "\\use_hyperref") {
1047                 string toktmp = pdfoptions().readToken(lex, token);
1048                 if (!toktmp.empty()) {
1049                         lyxerr << "PDFOptions::readToken(): Unknown token: " <<
1050                                 toktmp << endl;
1051                         return toktmp;
1052                 }
1053         } else if (token == "\\html_math_output") {
1054                 int temp;
1055                 lex >> temp;
1056                 html_math_output = static_cast<MathOutput>(temp);
1057         } else if (token == "\\html_be_strict") {
1058                 lex >> html_be_strict;
1059         } else if (token == "\\html_css_as_file") {
1060                 lex >> html_css_as_file;
1061         } else if (token == "\\html_math_img_scale") {
1062                 lex >> html_math_img_scale;
1063         } else if (token == "\\html_latex_start") {
1064                 lex.eatLine();
1065                 html_latex_start = lex.getString();
1066         } else if (token == "\\html_latex_end") {
1067                 lex.eatLine();
1068                 html_latex_end = lex.getString();
1069         } else if (token == "\\output_sync") {
1070                 lex >> output_sync;
1071         } else if (token == "\\output_sync_macro") {
1072                 lex >> output_sync_macro;
1073         } else if (token == "\\use_refstyle") {
1074                 lex >> use_refstyle;
1075         } else {
1076                 lyxerr << "BufferParams::readToken(): Unknown token: " <<
1077                         token << endl;
1078                 return token;
1079         }
1080
1081         return result;
1082 }
1083
1084
1085 namespace {
1086         // Quote argument if it contains spaces
1087         string quoteIfNeeded(string const & str) {
1088                 if (contains(str, ' '))
1089                         return "\"" + str + "\"";
1090                 return str;
1091         }
1092 }
1093
1094
1095 void BufferParams::writeFile(ostream & os, Buffer const * buf) const
1096 {
1097         // The top of the file is written by the buffer.
1098         // Prints out the buffer info into the .lyx file given by file
1099
1100         os << "\\save_transient_properties "
1101            << convert<string>(save_transient_properties) << '\n';
1102
1103         // the document directory (must end with a path separator)
1104         // realPath() is used to resolve symlinks, while addPath(..., "")
1105         // ensures a trailing path separator.
1106         string docsys;
1107         string filepath = addPath(buf->fileName().onlyPath().realPath(), "");
1108         string const sysdir = inSystemDir(FileName(filepath), docsys) ? docsys
1109                         : addPath(package().system_support().realPath(), "");
1110         string const relpath =
1111                 to_utf8(makeRelPath(from_utf8(filepath), from_utf8(sysdir)));
1112         if (!prefixIs(relpath, "../") && !FileName::isAbsolute(relpath))
1113                 filepath = addPath("/systemlyxdir", relpath);
1114         else if (!save_transient_properties || !lyxrc.save_origin)
1115                 filepath = "unavailable";
1116         os << "\\origin " << quoteIfNeeded(filepath) << '\n';
1117
1118         // the textclass
1119         os << "\\textclass "
1120            << quoteIfNeeded(buf->includedFilePath(addName(buf->layoutPos(),
1121                                                 baseClass()->name()), "layout"))
1122            << '\n';
1123
1124         // then the preamble
1125         if (!preamble.empty()) {
1126                 // remove '\n' from the end of preamble
1127                 docstring const tmppreamble = rtrim(preamble, "\n");
1128                 os << "\\begin_preamble\n"
1129                    << to_utf8(tmppreamble)
1130                    << "\n\\end_preamble\n";
1131         }
1132
1133         // the options
1134         if (!options.empty()) {
1135                 os << "\\options " << options << '\n';
1136         }
1137
1138         // use the class options defined in the layout?
1139         os << "\\use_default_options "
1140            << convert<string>(use_default_options) << "\n";
1141
1142         // the master document
1143         if (!master.empty()) {
1144                 os << "\\master " << master << '\n';
1145         }
1146
1147         // removed modules
1148         if (!removed_modules_.empty()) {
1149                 os << "\\begin_removed_modules" << '\n';
1150                 list<string>::const_iterator it = removed_modules_.begin();
1151                 list<string>::const_iterator en = removed_modules_.end();
1152                 for (; it != en; ++it)
1153                         os << *it << '\n';
1154                 os << "\\end_removed_modules" << '\n';
1155         }
1156
1157         // the modules
1158         if (!layout_modules_.empty()) {
1159                 os << "\\begin_modules" << '\n';
1160                 LayoutModuleList::const_iterator it = layout_modules_.begin();
1161                 LayoutModuleList::const_iterator en = layout_modules_.end();
1162                 for (; it != en; ++it)
1163                         os << *it << '\n';
1164                 os << "\\end_modules" << '\n';
1165         }
1166
1167         // includeonly
1168         if (!included_children_.empty()) {
1169                 os << "\\begin_includeonly" << '\n';
1170                 list<string>::const_iterator it = included_children_.begin();
1171                 list<string>::const_iterator en = included_children_.end();
1172                 for (; it != en; ++it)
1173                         os << *it << '\n';
1174                 os << "\\end_includeonly" << '\n';
1175         }
1176         os << "\\maintain_unincluded_children "
1177            << convert<string>(maintain_unincluded_children) << '\n';
1178
1179         // local layout information
1180         docstring const local_layout = getLocalLayout(false);
1181         if (!local_layout.empty()) {
1182                 // remove '\n' from the end
1183                 docstring const tmplocal = rtrim(local_layout, "\n");
1184                 os << "\\begin_local_layout\n"
1185                    << to_utf8(tmplocal)
1186                    << "\n\\end_local_layout\n";
1187         }
1188         docstring const forced_local_layout = getLocalLayout(true);
1189         if (!forced_local_layout.empty()) {
1190                 // remove '\n' from the end
1191                 docstring const tmplocal = rtrim(forced_local_layout, "\n");
1192                 os << "\\begin_forced_local_layout\n"
1193                    << to_utf8(tmplocal)
1194                    << "\n\\end_forced_local_layout\n";
1195         }
1196
1197         // then the text parameters
1198         if (language != ignore_language)
1199                 os << "\\language " << language->lang() << '\n';
1200         os << "\\language_package " << lang_package
1201            << "\n\\inputencoding " << inputenc
1202            << "\n\\fontencoding " << fontenc
1203            << "\n\\font_roman \"" << fonts_roman[0]
1204            << "\" \"" << fonts_roman[1] << '"'
1205            << "\n\\font_sans \"" << fonts_sans[0]
1206            << "\" \"" << fonts_sans[1] << '"'
1207            << "\n\\font_typewriter \"" << fonts_typewriter[0]
1208            << "\" \"" << fonts_typewriter[1] << '"'
1209            << "\n\\font_math \"" << fonts_math[0]
1210            << "\" \"" << fonts_math[1] << '"'
1211            << "\n\\font_default_family " << fonts_default_family
1212            << "\n\\use_non_tex_fonts " << convert<string>(useNonTeXFonts)
1213            << "\n\\font_sc " << convert<string>(fonts_expert_sc)
1214            << "\n\\font_osf " << convert<string>(fonts_old_figures)
1215            << "\n\\font_sf_scale " << fonts_sans_scale[0]
1216            << ' ' << fonts_sans_scale[1]
1217            << "\n\\font_tt_scale " << fonts_typewriter_scale[0]
1218            << ' ' << fonts_typewriter_scale[1]
1219            << '\n';
1220         if (!fonts_cjk.empty()) {
1221                 os << "\\font_cjk " << fonts_cjk << '\n';
1222         }
1223         os << "\\use_microtype " << convert<string>(use_microtype) << '\n';
1224         os << "\\use_dash_ligatures " << convert<string>(use_dash_ligatures) << '\n';
1225         os << "\\graphics " << graphics_driver << '\n';
1226         os << "\\default_output_format " << default_output_format << '\n';
1227         os << "\\output_sync " << output_sync << '\n';
1228         if (!output_sync_macro.empty())
1229                 os << "\\output_sync_macro \"" << output_sync_macro << "\"\n";
1230         os << "\\bibtex_command " << bibtex_command << '\n';
1231         os << "\\index_command " << index_command << '\n';
1232
1233         if (!float_placement.empty()) {
1234                 os << "\\float_placement " << float_placement << '\n';
1235         }
1236         os << "\\paperfontsize " << fontsize << '\n';
1237
1238         spacing().writeFile(os);
1239         pdfoptions().writeFile(os);
1240
1241         os << "\\papersize " << string_papersize[papersize]
1242            << "\n\\use_geometry " << convert<string>(use_geometry);
1243         map<string, string> const & packages = auto_packages();
1244         for (map<string, string>::const_iterator it = packages.begin();
1245              it != packages.end(); ++it)
1246                 os << "\n\\use_package " << it->first << ' '
1247                    << use_package(it->first);
1248
1249         os << "\n\\cite_engine ";
1250
1251         if (!cite_engine_.empty()) {
1252                 LayoutModuleList::const_iterator be = cite_engine_.begin();
1253                 LayoutModuleList::const_iterator en = cite_engine_.end();
1254                 for (LayoutModuleList::const_iterator it = be; it != en; ++it) {
1255                         if (it != be)
1256                                 os << ',';
1257                         os << *it;
1258                 }
1259         } else {
1260                 os << "basic";
1261         }
1262
1263         os << "\n\\cite_engine_type " << theCiteEnginesList.getTypeAsString(cite_engine_type_);
1264
1265         if (!biblio_style.empty())
1266                 os << "\n\\biblio_style " << biblio_style;
1267         if (!biblio_opts.empty())
1268                 os << "\n\\biblio_options " << biblio_opts;
1269         if (!biblatex_bibstyle.empty())
1270                 os << "\n\\biblatex_bibstyle " << biblatex_bibstyle;
1271         if (!biblatex_citestyle.empty())
1272                 os << "\n\\biblatex_citestyle " << biblatex_citestyle;
1273         if (!multibib.empty())
1274                 os << "\n\\multibib " << multibib;
1275
1276         os << "\n\\use_bibtopic " << convert<string>(use_bibtopic)
1277            << "\n\\use_indices " << convert<string>(use_indices)
1278            << "\n\\paperorientation " << string_orientation[orientation]
1279            << "\n\\suppress_date " << convert<string>(suppress_date)
1280            << "\n\\justification " << convert<string>(justification)
1281            << "\n\\use_refstyle " << use_refstyle
1282            << '\n';
1283         if (isbackgroundcolor == true)
1284                 os << "\\backgroundcolor " << lyx::X11hexname(backgroundcolor) << '\n';
1285         if (isfontcolor == true)
1286                 os << "\\fontcolor " << lyx::X11hexname(fontcolor) << '\n';
1287         if (notefontcolor != lyx::rgbFromHexName("#cccccc"))
1288                 os << "\\notefontcolor " << lyx::X11hexname(notefontcolor) << '\n';
1289         if (boxbgcolor != lyx::rgbFromHexName("#ff0000"))
1290                 os << "\\boxbgcolor " << lyx::X11hexname(boxbgcolor) << '\n';
1291
1292         BranchList::const_iterator it = branchlist().begin();
1293         BranchList::const_iterator end = branchlist().end();
1294         for (; it != end; ++it) {
1295                 os << "\\branch " << to_utf8(it->branch())
1296                    << "\n\\selected " << it->isSelected()
1297                    << "\n\\filename_suffix " << it->hasFileNameSuffix()
1298                    << "\n\\color " << lyx::X11hexname(it->color())
1299                    << "\n\\end_branch"
1300                    << "\n";
1301         }
1302
1303         IndicesList::const_iterator iit = indiceslist().begin();
1304         IndicesList::const_iterator iend = indiceslist().end();
1305         for (; iit != iend; ++iit) {
1306                 os << "\\index " << to_utf8(iit->index())
1307                    << "\n\\shortcut " << to_utf8(iit->shortcut())
1308                    << "\n\\color " << lyx::X11hexname(iit->color())
1309                    << "\n\\end_index"
1310                    << "\n";
1311         }
1312
1313         if (!paperwidth.empty())
1314                 os << "\\paperwidth "
1315                    << VSpace(paperwidth).asLyXCommand() << '\n';
1316         if (!paperheight.empty())
1317                 os << "\\paperheight "
1318                    << VSpace(paperheight).asLyXCommand() << '\n';
1319         if (!leftmargin.empty())
1320                 os << "\\leftmargin "
1321                    << VSpace(leftmargin).asLyXCommand() << '\n';
1322         if (!topmargin.empty())
1323                 os << "\\topmargin "
1324                    << VSpace(topmargin).asLyXCommand() << '\n';
1325         if (!rightmargin.empty())
1326                 os << "\\rightmargin "
1327                    << VSpace(rightmargin).asLyXCommand() << '\n';
1328         if (!bottommargin.empty())
1329                 os << "\\bottommargin "
1330                    << VSpace(bottommargin).asLyXCommand() << '\n';
1331         if (!headheight.empty())
1332                 os << "\\headheight "
1333                    << VSpace(headheight).asLyXCommand() << '\n';
1334         if (!headsep.empty())
1335                 os << "\\headsep "
1336                    << VSpace(headsep).asLyXCommand() << '\n';
1337         if (!footskip.empty())
1338                 os << "\\footskip "
1339                    << VSpace(footskip).asLyXCommand() << '\n';
1340         if (!columnsep.empty())
1341                 os << "\\columnsep "
1342                          << VSpace(columnsep).asLyXCommand() << '\n';
1343         os << "\\secnumdepth " << secnumdepth
1344            << "\n\\tocdepth " << tocdepth
1345            << "\n\\paragraph_separation "
1346            << string_paragraph_separation[paragraph_separation];
1347         if (!paragraph_separation)
1348                 os << "\n\\paragraph_indentation "
1349                    << (getParIndent().empty() ? "default" : getParIndent().asString());
1350         else
1351                 os << "\n\\defskip " << getDefSkip().asLyXCommand();
1352         os << "\n\\is_math_indent " << is_math_indent;
1353         if (is_math_indent && !getMathIndent().empty())
1354                 os << "\n\\math_indentation " << getMathIndent().asString();
1355         os << "\n\\quotes_style "
1356            << string_quotes_style[quotes_style]
1357            << "\n\\dynamic_quotes " << dynamic_quotes
1358            << "\n\\papercolumns " << columns
1359            << "\n\\papersides " << sides
1360            << "\n\\paperpagestyle " << pagestyle << '\n';
1361         if (!listings_params.empty())
1362                 os << "\\listings_params \"" <<
1363                         InsetListingsParams(listings_params).encodedString() << "\"\n";
1364         for (int i = 0; i < 4; ++i) {
1365                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1366                         if (user_defined_bullet(i).getFont() != -1) {
1367                                 os << "\\bullet " << i << " "
1368                                    << user_defined_bullet(i).getFont() << " "
1369                                    << user_defined_bullet(i).getCharacter() << " "
1370                                    << user_defined_bullet(i).getSize() << "\n";
1371                         }
1372                         else {
1373                                 // FIXME UNICODE
1374                                 os << "\\bulletLaTeX " << i << " \""
1375                                    << lyx::to_ascii(user_defined_bullet(i).getText())
1376                                    << "\"\n";
1377                         }
1378                 }
1379         }
1380
1381         os << "\\tracking_changes "
1382            << (save_transient_properties ? convert<string>(track_changes) : "false")
1383            << '\n';
1384
1385         os << "\\output_changes "
1386            << (save_transient_properties ? convert<string>(output_changes) : "false")
1387            << '\n';
1388
1389         os << "\\html_math_output " << html_math_output << '\n'
1390            << "\\html_css_as_file " << html_css_as_file << '\n'
1391            << "\\html_be_strict " << convert<string>(html_be_strict) << '\n';
1392
1393         if (html_math_img_scale != 1.0)
1394                 os << "\\html_math_img_scale " << convert<string>(html_math_img_scale) << '\n';
1395         if (!html_latex_start.empty())
1396                 os << "\\html_latex_start " << html_latex_start << '\n';
1397         if (!html_latex_end.empty())
1398                  os << "\\html_latex_end " << html_latex_end << '\n';
1399
1400         os << pimpl_->authorlist;
1401 }
1402
1403
1404 void BufferParams::validate(LaTeXFeatures & features) const
1405 {
1406         features.require(documentClass().requires());
1407
1408         if (columns > 1 && language->rightToLeft())
1409                 features.require("rtloutputdblcol");
1410
1411         if (output_changes) {
1412                 bool dvipost    = LaTeXFeatures::isAvailable("dvipost");
1413                 bool xcolorulem = LaTeXFeatures::isAvailable("ulem") &&
1414                                   LaTeXFeatures::isAvailable("xcolor");
1415
1416                 switch (features.runparams().flavor) {
1417                 case OutputParams::LATEX:
1418                 case OutputParams::DVILUATEX:
1419                         if (dvipost) {
1420                                 features.require("ct-dvipost");
1421                                 features.require("dvipost");
1422                         } else if (xcolorulem) {
1423                                 features.require("ct-xcolor-ulem");
1424                                 features.require("ulem");
1425                                 features.require("xcolor");
1426                         } else {
1427                                 features.require("ct-none");
1428                         }
1429                         break;
1430                 case OutputParams::LUATEX:
1431                 case OutputParams::PDFLATEX:
1432                 case OutputParams::XETEX:
1433                         if (xcolorulem) {
1434                                 features.require("ct-xcolor-ulem");
1435                                 features.require("ulem");
1436                                 features.require("xcolor");
1437                                 // improves color handling in PDF output
1438                                 features.require("pdfcolmk");
1439                         } else {
1440                                 features.require("ct-none");
1441                         }
1442                         break;
1443                 default:
1444                         break;
1445                 }
1446         }
1447
1448         // Floats with 'Here definitely' as default setting.
1449         if (float_placement.find('H') != string::npos)
1450                 features.require("float");
1451
1452         for (PackageMap::const_iterator it = use_packages.begin();
1453              it != use_packages.end(); ++it) {
1454                 if (it->first == "amsmath") {
1455                         // AMS Style is at document level
1456                         if (it->second == package_on ||
1457                             features.isProvided("amsmath"))
1458                                 features.require(it->first);
1459                 } else if (it->second == package_on)
1460                         features.require(it->first);
1461         }
1462
1463         // Document-level line spacing
1464         if (spacing().getSpace() != Spacing::Single && !spacing().isDefault())
1465                 features.require("setspace");
1466
1467         // the bullet shapes are buffer level not paragraph level
1468         // so they are tested here
1469         for (int i = 0; i < 4; ++i) {
1470                 if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i])
1471                         continue;
1472                 int const font = user_defined_bullet(i).getFont();
1473                 if (font == 0) {
1474                         int const c = user_defined_bullet(i).getCharacter();
1475                         if (c == 16
1476                             || c == 17
1477                             || c == 25
1478                             || c == 26
1479                             || c == 31) {
1480                                 features.require("latexsym");
1481                         }
1482                 } else if (font == 1) {
1483                         features.require("amssymb");
1484                 } else if (font >= 2 && font <= 5) {
1485                         features.require("pifont");
1486                 }
1487         }
1488
1489         if (pdfoptions().use_hyperref) {
1490                 features.require("hyperref");
1491                 // due to interferences with babel and hyperref, the color package has to
1492                 // be loaded after hyperref when hyperref is used with the colorlinks
1493                 // option, see http://www.lyx.org/trac/ticket/5291
1494                 if (pdfoptions().colorlinks)
1495                         features.require("color");
1496         }
1497         if (!listings_params.empty()) {
1498                 // do not test validity because listings_params is
1499                 // supposed to be valid
1500                 string par =
1501                         InsetListingsParams(listings_params).separatedParams(true);
1502                 // we can't support all packages, but we should load the color package
1503                 if (par.find("\\color", 0) != string::npos)
1504                         features.require("color");
1505         }
1506
1507         // some languages are only available via polyglossia
1508         if (features.hasPolyglossiaExclusiveLanguages())
1509                 features.require("polyglossia");
1510
1511         if (useNonTeXFonts && fontsMath() != "auto")
1512                 features.require("unicode-math");
1513         
1514         if (use_microtype)
1515                 features.require("microtype");
1516
1517         if (!language->requires().empty())
1518                 features.require(language->requires());
1519 }
1520
1521
1522 bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
1523                               FileName const & filepath) const
1524 {
1525         // http://www.tug.org/texmf-dist/doc/latex/base/fixltx2e.pdf
1526         // !! To use the Fix-cm package, load it before \documentclass, and use the command
1527         // \RequirePackage to do so, rather than the normal \usepackage
1528         // Do not try to load any other package before the document class, unless you
1529         // have a thorough understanding of the LATEX internals and know exactly what you
1530         // are doing!
1531         if (features.mustProvide("fix-cm"))
1532                 os << "\\RequirePackage{fix-cm}\n";
1533         // Likewise for fixltx2e. If other packages conflict with this policy,
1534         // treat it as a package bug (and report it!)
1535         // See http://www.latex-project.org/cgi-bin/ltxbugs2html?pr=latex/4407
1536         if (features.mustProvide("fixltx2e"))
1537                 os << "\\RequirePackage{fixltx2e}\n";
1538
1539         os << "\\documentclass";
1540
1541         DocumentClass const & tclass = documentClass();
1542
1543         ostringstream clsoptions; // the document class options.
1544
1545         if (tokenPos(tclass.opt_fontsize(),
1546                      '|', fontsize) >= 0) {
1547                 // only write if existing in list (and not default)
1548                 clsoptions << fontsize << "pt,";
1549         }
1550
1551         // all paper sizes except of A4, A5, B5 and the US sizes need the
1552         // geometry package
1553         bool nonstandard_papersize = papersize != PAPER_DEFAULT
1554                 && papersize != PAPER_USLETTER
1555                 && papersize != PAPER_USLEGAL
1556                 && papersize != PAPER_USEXECUTIVE
1557                 && papersize != PAPER_A4
1558                 && papersize != PAPER_A5
1559                 && papersize != PAPER_B5;
1560
1561         if (!use_geometry) {
1562                 switch (papersize) {
1563                 case PAPER_A4:
1564                         clsoptions << "a4paper,";
1565                         break;
1566                 case PAPER_USLETTER:
1567                         clsoptions << "letterpaper,";
1568                         break;
1569                 case PAPER_A5:
1570                         clsoptions << "a5paper,";
1571                         break;
1572                 case PAPER_B5:
1573                         clsoptions << "b5paper,";
1574                         break;
1575                 case PAPER_USEXECUTIVE:
1576                         clsoptions << "executivepaper,";
1577                         break;
1578                 case PAPER_USLEGAL:
1579                         clsoptions << "legalpaper,";
1580                         break;
1581                 case PAPER_DEFAULT:
1582                 case PAPER_A0:
1583                 case PAPER_A1:
1584                 case PAPER_A2:
1585                 case PAPER_A3:
1586                 case PAPER_A6:
1587                 case PAPER_B0:
1588                 case PAPER_B1:
1589                 case PAPER_B2:
1590                 case PAPER_B3:
1591                 case PAPER_B4:
1592                 case PAPER_B6:
1593                 case PAPER_C0:
1594                 case PAPER_C1:
1595                 case PAPER_C2:
1596                 case PAPER_C3:
1597                 case PAPER_C4:
1598                 case PAPER_C5:
1599                 case PAPER_C6:
1600                 case PAPER_JISB0:
1601                 case PAPER_JISB1:
1602                 case PAPER_JISB2:
1603                 case PAPER_JISB3:
1604                 case PAPER_JISB4:
1605                 case PAPER_JISB5:
1606                 case PAPER_JISB6:
1607                 case PAPER_CUSTOM:
1608                         break;
1609                 }
1610         }
1611
1612         // if needed
1613         if (sides != tclass.sides()) {
1614                 switch (sides) {
1615                 case OneSide:
1616                         clsoptions << "oneside,";
1617                         break;
1618                 case TwoSides:
1619                         clsoptions << "twoside,";
1620                         break;
1621                 }
1622         }
1623
1624         // if needed
1625         if (columns != tclass.columns()) {
1626                 if (columns == 2)
1627                         clsoptions << "twocolumn,";
1628                 else
1629                         clsoptions << "onecolumn,";
1630         }
1631
1632         if (!use_geometry
1633             && orientation == ORIENTATION_LANDSCAPE)
1634                 clsoptions << "landscape,";
1635
1636         if (is_math_indent)
1637                 clsoptions << "fleqn,";
1638
1639         // language should be a parameter to \documentclass
1640         if (language->babel() == "hebrew"
1641             && default_language->babel() != "hebrew")
1642                 // This seems necessary
1643                 features.useLanguage(default_language);
1644
1645         ostringstream language_options;
1646         bool const use_babel = features.useBabel() && !features.isProvided("babel");
1647         bool const use_polyglossia = features.usePolyglossia();
1648         bool const global = lyxrc.language_global_options;
1649         if (use_babel || (use_polyglossia && global)) {
1650                 language_options << features.getBabelLanguages();
1651                 if (!language->babel().empty()) {
1652                         if (!language_options.str().empty())
1653                                 language_options << ',';
1654                         language_options << language->babel();
1655                 }
1656                 if (global && !features.needBabelLangOptions()
1657                     && !language_options.str().empty())
1658                         clsoptions << language_options.str() << ',';
1659         }
1660
1661         // the predefined options from the layout
1662         if (use_default_options && !tclass.options().empty())
1663                 clsoptions << tclass.options() << ',';
1664
1665         // the user-defined options
1666         if (!options.empty()) {
1667                 clsoptions << options << ',';
1668         }
1669
1670         string strOptions(clsoptions.str());
1671         if (!strOptions.empty()) {
1672                 strOptions = rtrim(strOptions, ",");
1673                 // FIXME UNICODE
1674                 os << '[' << from_utf8(strOptions) << ']';
1675         }
1676
1677         os << '{' << from_ascii(tclass.latexname()) << "}\n";
1678         // end of \documentclass defs
1679
1680         // if we use fontspec or newtxmath, we have to load the AMS packages here
1681         string const ams = features.loadAMSPackages();
1682         bool const ot1 = (main_font_encoding() == "default" || main_font_encoding() == "OT1");
1683         bool const use_newtxmath =
1684                 theLaTeXFonts().getLaTeXFont(from_ascii(fontsMath())).getUsedPackage(
1685                         ot1, false, false) == "newtxmath";
1686         if ((useNonTeXFonts || use_newtxmath) && !ams.empty())
1687                 os << from_ascii(ams);
1688
1689         if (useNonTeXFonts) {
1690                 if (!features.isProvided("fontspec"))
1691                         os << "\\usepackage{fontspec}\n";
1692                 if (features.mustProvide("unicode-math")
1693                     && features.isAvailable("unicode-math"))
1694                         os << "\\usepackage{unicode-math}\n";
1695         }
1696
1697         // font selection must be done before loading fontenc.sty
1698         string const fonts = loadFonts(features);
1699         if (!fonts.empty())
1700                 os << from_utf8(fonts);
1701
1702         if (fonts_default_family != "default")
1703                 os << "\\renewcommand{\\familydefault}{\\"
1704                    << from_ascii(fonts_default_family) << "}\n";
1705
1706         // set font encoding
1707         // XeTeX and LuaTeX (with OS fonts) do not need fontenc
1708         if (!useNonTeXFonts && !features.isProvided("fontenc")
1709             && main_font_encoding() != "default") {
1710                 // get main font encodings
1711                 vector<string> fontencs = font_encodings();
1712                 // get font encodings of secondary languages
1713                 features.getFontEncodings(fontencs);
1714                 if (!fontencs.empty()) {
1715                         os << "\\usepackage["
1716                            << from_ascii(getStringFromVector(fontencs))
1717                            << "]{fontenc}\n";
1718                 }
1719         }
1720
1721         // handle inputenc etc.
1722         writeEncodingPreamble(os, features);
1723
1724         // includeonly
1725         if (!features.runparams().includeall && !included_children_.empty()) {
1726                 os << "\\includeonly{";
1727                 list<string>::const_iterator it = included_children_.begin();
1728                 list<string>::const_iterator en = included_children_.end();
1729                 bool first = true;
1730                 for (; it != en; ++it) {
1731                         string incfile = *it;
1732                         FileName inc = makeAbsPath(incfile, filepath.absFileName());
1733                         string mangled = DocFileName(changeExtension(inc.absFileName(), ".tex")).
1734                         mangledFileName();
1735                         if (!features.runparams().nice)
1736                                 incfile = mangled;
1737                         // \includeonly doesn't want an extension
1738                         incfile = changeExtension(incfile, string());
1739                         incfile = support::latex_path(incfile);
1740                         if (!incfile.empty()) {
1741                                 if (!first)
1742                                         os << ",";
1743                                 os << from_utf8(incfile);
1744                         }
1745                         first = false;
1746                 }
1747                 os << "}\n";
1748         }
1749
1750         if (!features.isProvided("geometry")
1751             && (use_geometry || nonstandard_papersize)) {
1752                 odocstringstream ods;
1753                 if (!getGraphicsDriver("geometry").empty())
1754                         ods << getGraphicsDriver("geometry");
1755                 if (orientation == ORIENTATION_LANDSCAPE)
1756                         ods << ",landscape";
1757                 switch (papersize) {
1758                 case PAPER_CUSTOM:
1759                         if (!paperwidth.empty())
1760                                 ods << ",paperwidth="
1761                                    << from_ascii(paperwidth);
1762                         if (!paperheight.empty())
1763                                 ods << ",paperheight="
1764                                    << from_ascii(paperheight);
1765                         break;
1766                 case PAPER_USLETTER:
1767                         ods << ",letterpaper";
1768                         break;
1769                 case PAPER_USLEGAL:
1770                         ods << ",legalpaper";
1771                         break;
1772                 case PAPER_USEXECUTIVE:
1773                         ods << ",executivepaper";
1774                         break;
1775                 case PAPER_A0:
1776                         ods << ",a0paper";
1777                         break;
1778                 case PAPER_A1:
1779                         ods << ",a1paper";
1780                         break;
1781                 case PAPER_A2:
1782                         ods << ",a2paper";
1783                         break;
1784                 case PAPER_A3:
1785                         ods << ",a3paper";
1786                         break;
1787                 case PAPER_A4:
1788                         ods << ",a4paper";
1789                         break;
1790                 case PAPER_A5:
1791                         ods << ",a5paper";
1792                         break;
1793                 case PAPER_A6:
1794                         ods << ",a6paper";
1795                         break;
1796                 case PAPER_B0:
1797                         ods << ",b0paper";
1798                         break;
1799                 case PAPER_B1:
1800                         ods << ",b1paper";
1801                         break;
1802                 case PAPER_B2:
1803                         ods << ",b2paper";
1804                         break;
1805                 case PAPER_B3:
1806                         ods << ",b3paper";
1807                         break;
1808                 case PAPER_B4:
1809                         ods << ",b4paper";
1810                         break;
1811                 case PAPER_B5:
1812                         ods << ",b5paper";
1813                         break;
1814                 case PAPER_B6:
1815                         ods << ",b6paper";
1816                         break;
1817                 case PAPER_C0:
1818                         ods << ",c0paper";
1819                         break;
1820                 case PAPER_C1:
1821                         ods << ",c1paper";
1822                         break;
1823                 case PAPER_C2:
1824                         ods << ",c2paper";
1825                         break;
1826                 case PAPER_C3:
1827                         ods << ",c3paper";
1828                         break;
1829                 case PAPER_C4:
1830                         ods << ",c4paper";
1831                         break;
1832                 case PAPER_C5:
1833                         ods << ",c5paper";
1834                         break;
1835                 case PAPER_C6:
1836                         ods << ",c6paper";
1837                         break;
1838                 case PAPER_JISB0:
1839                         ods << ",b0j";
1840                         break;
1841                 case PAPER_JISB1:
1842                         ods << ",b1j";
1843                         break;
1844                 case PAPER_JISB2:
1845                         ods << ",b2j";
1846                         break;
1847                 case PAPER_JISB3:
1848                         ods << ",b3j";
1849                         break;
1850                 case PAPER_JISB4:
1851                         ods << ",b4j";
1852                         break;
1853                 case PAPER_JISB5:
1854                         ods << ",b5j";
1855                         break;
1856                 case PAPER_JISB6:
1857                         ods << ",b6j";
1858                         break;
1859                 case PAPER_DEFAULT:
1860                         break;
1861                 }
1862                 docstring const g_options = trim(ods.str(), ",");
1863                 os << "\\usepackage";
1864                 if (!g_options.empty())
1865                         os << '[' << g_options << ']';
1866                 os << "{geometry}\n";
1867                 // output this only if use_geometry is true
1868                 if (use_geometry) {
1869                         os << "\\geometry{verbose";
1870                         if (!topmargin.empty())
1871                                 os << ",tmargin=" << from_ascii(Length(topmargin).asLatexString());
1872                         if (!bottommargin.empty())
1873                                 os << ",bmargin=" << from_ascii(Length(bottommargin).asLatexString());
1874                         if (!leftmargin.empty())
1875                                 os << ",lmargin=" << from_ascii(Length(leftmargin).asLatexString());
1876                         if (!rightmargin.empty())
1877                                 os << ",rmargin=" << from_ascii(Length(rightmargin).asLatexString());
1878                         if (!headheight.empty())
1879                                 os << ",headheight=" << from_ascii(Length(headheight).asLatexString());
1880                         if (!headsep.empty())
1881                                 os << ",headsep=" << from_ascii(Length(headsep).asLatexString());
1882                         if (!footskip.empty())
1883                                 os << ",footskip=" << from_ascii(Length(footskip).asLatexString());
1884                         if (!columnsep.empty())
1885                                 os << ",columnsep=" << from_ascii(Length(columnsep).asLatexString());
1886                         os << "}\n";
1887                 }
1888         } else if (orientation == ORIENTATION_LANDSCAPE
1889                    || papersize != PAPER_DEFAULT) {
1890                 features.require("papersize");
1891         }
1892
1893         if (tokenPos(tclass.opt_pagestyle(), '|', pagestyle) >= 0) {
1894                 if (pagestyle == "fancy")
1895                         os << "\\usepackage{fancyhdr}\n";
1896                 os << "\\pagestyle{" << from_ascii(pagestyle) << "}\n";
1897         }
1898
1899         // only output when the background color is not default
1900         if (isbackgroundcolor == true) {
1901                 // only require color here, the background color will be defined
1902                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1903                 // package pdfpages
1904                 features.require("color");
1905                 features.require("pagecolor");
1906         }
1907
1908         // only output when the font color is not default
1909         if (isfontcolor == true) {
1910                 // only require color here, the font color will be defined
1911                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1912                 // package pdfpages
1913                 features.require("color");
1914                 features.require("fontcolor");
1915         }
1916
1917         // Only if class has a ToC hierarchy
1918         if (tclass.hasTocLevels()) {
1919                 if (secnumdepth != tclass.secnumdepth()) {
1920                         os << "\\setcounter{secnumdepth}{"
1921                            << secnumdepth
1922                            << "}\n";
1923                 }
1924                 if (tocdepth != tclass.tocdepth()) {
1925                         os << "\\setcounter{tocdepth}{"
1926                            << tocdepth
1927                            << "}\n";
1928                 }
1929         }
1930
1931         if (paragraph_separation) {
1932                 // when skip separation
1933                 switch (getDefSkip().kind()) {
1934                 case VSpace::SMALLSKIP:
1935                         os << "\\setlength{\\parskip}{\\smallskipamount}\n";
1936                         break;
1937                 case VSpace::MEDSKIP:
1938                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1939                         break;
1940                 case VSpace::BIGSKIP:
1941                         os << "\\setlength{\\parskip}{\\bigskipamount}\n";
1942                         break;
1943                 case VSpace::LENGTH:
1944                         os << "\\setlength{\\parskip}{"
1945                            << from_utf8(getDefSkip().length().asLatexString())
1946                            << "}\n";
1947                         break;
1948                 default: // should never happen // Then delete it.
1949                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1950                         break;
1951                 }
1952                 os << "\\setlength{\\parindent}{0pt}\n";
1953         } else {
1954                 // when separation by indentation
1955                 // only output something when a width is given
1956                 if (!getParIndent().empty()) {
1957                         os << "\\setlength{\\parindent}{"
1958                            << from_utf8(getParIndent().asLatexString())
1959                            << "}\n";
1960                 }
1961         }
1962
1963         if (is_math_indent) {
1964                 // when formula indentation
1965                 // only output something when it is not the default
1966                 if (!getMathIndent().empty()) {
1967                         os << "\\setlength{\\mathindent}{"
1968                            << from_utf8(getMathIndent().asString())
1969                            << "}\n";
1970                 }
1971         }
1972
1973         // Now insert the LyX specific LaTeX commands...
1974         features.resolveAlternatives();
1975         features.expandMultiples();
1976
1977         if (output_sync) {
1978                 if (!output_sync_macro.empty())
1979                         os << from_utf8(output_sync_macro) +"\n";
1980                 else if (features.runparams().flavor == OutputParams::LATEX)
1981                         os << "\\usepackage[active]{srcltx}\n";
1982                 else if (features.runparams().flavor == OutputParams::PDFLATEX)
1983                         os << "\\synctex=-1\n";
1984         }
1985
1986         // The package options (via \PassOptionsToPackage)
1987         os << from_ascii(features.getPackageOptions());
1988
1989         // due to interferences with babel and hyperref, the color package has to
1990         // be loaded (when it is not already loaded) before babel when hyperref
1991         // is used with the colorlinks option, see
1992         // http://www.lyx.org/trac/ticket/5291
1993         // we decided therefore to load color always before babel, see
1994         // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg144349.html
1995         os << from_ascii(features.getColorOptions());
1996
1997         // If we use hyperref, jurabib, japanese, varioref or vietnamese,
1998         // we have to call babel before
1999         if (use_babel
2000             && (features.isRequired("jurabib")
2001                 || features.isRequired("hyperref")
2002                 || features.isRequired("varioref")
2003                 || features.isRequired("vietnamese")
2004                 || features.isRequired("japanese"))) {
2005                         os << features.getBabelPresettings();
2006                         // FIXME UNICODE
2007                         os << from_utf8(babelCall(language_options.str(),
2008                                                   features.needBabelLangOptions())) + '\n';
2009                         os << features.getBabelPostsettings();
2010         }
2011
2012         // The optional packages;
2013         os << from_ascii(features.getPackages());
2014
2015         // Additional Indices
2016         if (features.isRequired("splitidx")) {
2017                 IndicesList::const_iterator iit = indiceslist().begin();
2018                 IndicesList::const_iterator iend = indiceslist().end();
2019                 for (; iit != iend; ++iit) {
2020                         os << "\\newindex{";
2021                         os << escape(iit->shortcut());
2022                         os << "}\n";
2023                 }
2024         }
2025
2026         // Line spacing
2027         os << from_utf8(spacing().writePreamble(features.isProvided("SetSpace")));
2028
2029         // PDF support.
2030         // * Hyperref manual: "Make sure it comes last of your loaded
2031         //   packages, to give it a fighting chance of not being over-written,
2032         //   since its job is to redefine many LaTeX commands."
2033         // * Email from Heiko Oberdiek: "It is usually better to load babel
2034         //   before hyperref. Then hyperref has a chance to detect babel.
2035         // * Has to be loaded before the "LyX specific LaTeX commands" to
2036         //   avoid errors with algorithm floats.
2037         // use hyperref explicitly if it is required
2038         if (features.isRequired("hyperref")) {
2039                 OutputParams tmp_params = features.runparams();
2040                 pdfoptions().writeLaTeX(tmp_params, os,
2041                                         features.isProvided("hyperref"));
2042                 // correctly break URLs with hyperref and dvi output
2043                 if (features.runparams().flavor == OutputParams::LATEX
2044                     && features.isAvailable("breakurl"))
2045                         os << "\\usepackage{breakurl}\n";
2046         } else if (features.isRequired("nameref"))
2047                 // hyperref loads this automatically
2048                 os << "\\usepackage{nameref}\n";
2049
2050         // bibtopic needs to be loaded after hyperref.
2051         // the dot provides the aux file naming which LyX can detect.
2052         if (features.mustProvide("bibtopic"))
2053                 os << "\\usepackage[dot]{bibtopic}\n";
2054
2055         // Will be surrounded by \makeatletter and \makeatother when not empty
2056         otexstringstream atlyxpreamble;
2057
2058         // Some macros LyX will need
2059         {
2060                 TexString tmppreamble = features.getMacros();
2061                 if (!tmppreamble.str.empty())
2062                         atlyxpreamble << "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
2063                                          "LyX specific LaTeX commands.\n"
2064                                       << move(tmppreamble)
2065                                       << '\n';
2066         }
2067         // the text class specific preamble
2068         {
2069                 docstring tmppreamble = features.getTClassPreamble();
2070                 if (!tmppreamble.empty())
2071                         atlyxpreamble << "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
2072                                          "Textclass specific LaTeX commands.\n"
2073                                       << tmppreamble
2074                                       << '\n';
2075         }
2076         // suppress date if selected
2077         // use \@ifundefined because we cannot be sure that every document class
2078         // has a \date command
2079         if (suppress_date)
2080                 atlyxpreamble << "\\@ifundefined{date}{}{\\date{}}\n";
2081
2082         /* the user-defined preamble */
2083         if (!containsOnly(preamble, " \n\t")) {
2084                 // FIXME UNICODE
2085                 atlyxpreamble << "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
2086                                  "User specified LaTeX commands.\n";
2087
2088                 // Check if the user preamble contains uncodable glyphs
2089                 odocstringstream user_preamble;
2090                 docstring uncodable_glyphs;
2091                 Encoding const * const enc = features.runparams().encoding;
2092                 if (enc) {
2093                         for (size_t n = 0; n < preamble.size(); ++n) {
2094                                 char_type c = preamble[n];
2095                                 if (!enc->encodable(c)) {
2096                                         docstring const glyph(1, c);
2097                                         LYXERR0("Uncodable character '"
2098                                                 << glyph
2099                                                 << "' in user preamble!");
2100                                         uncodable_glyphs += glyph;
2101                                         if (features.runparams().dryrun) {
2102                                                 user_preamble << "<" << _("LyX Warning: ")
2103                                                    << _("uncodable character") << " '";
2104                                                 user_preamble.put(c);
2105                                                 user_preamble << "'>";
2106                                         }
2107                                 } else
2108                                         user_preamble.put(c);
2109                         }
2110                 } else
2111                         user_preamble << preamble;
2112
2113                 // On BUFFER_VIEW|UPDATE, warn user if we found uncodable glyphs
2114                 if (!features.runparams().dryrun && !uncodable_glyphs.empty()) {
2115                         frontend::Alert::warning(
2116                                 _("Uncodable character in user preamble"),
2117                                 support::bformat(
2118                                   _("The user preamble of your document contains glyphs "
2119                                     "that are unknown in the current document encoding "
2120                                     "(namely %1$s).\nThese glyphs are omitted "
2121                                     " from the output, which may result in "
2122                                     "incomplete output."
2123                                     "\n\nPlease select an appropriate "
2124                                     "document encoding\n"
2125                                     "(such as utf8) or change the "
2126                                     "preamble code accordingly."),
2127                                   uncodable_glyphs));
2128                 }
2129                 atlyxpreamble << user_preamble.str() << '\n';
2130         }
2131
2132         // footmisc must be loaded after setspace
2133         // Load it here to avoid clashes with footmisc loaded in the user
2134         // preamble. For that reason we also pass the options via
2135         // \PassOptionsToPackage in getPreamble() and not here.
2136         if (features.mustProvide("footmisc"))
2137                 atlyxpreamble << "\\usepackage{footmisc}\n";
2138
2139         // subfig loads internally the LaTeX package "caption". As
2140         // caption is a very popular package, users will load it in
2141         // the preamble. Therefore we must load subfig behind the
2142         // user-defined preamble and check if the caption package was
2143         // loaded or not. For the case that caption is loaded before
2144         // subfig, there is the subfig option "caption=false". This
2145         // option also works when a koma-script class is used and
2146         // koma's own caption commands are used instead of caption. We
2147         // use \PassOptionsToPackage here because the user could have
2148         // already loaded subfig in the preamble.
2149         if (features.mustProvide("subfig"))
2150                 atlyxpreamble << "\\@ifundefined{showcaptionsetup}{}{%\n"
2151                                  " \\PassOptionsToPackage{caption=false}{subfig}}\n"
2152                                  "\\usepackage{subfig}\n";
2153
2154         // Itemize bullet settings need to be last in case the user
2155         // defines their own bullets that use a package included
2156         // in the user-defined preamble -- ARRae
2157         // Actually it has to be done much later than that
2158         // since some packages like frenchb make modifications
2159         // at \begin{document} time -- JMarc
2160         docstring bullets_def;
2161         for (int i = 0; i < 4; ++i) {
2162                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
2163                         if (bullets_def.empty())
2164                                 bullets_def += "\\AtBeginDocument{\n";
2165                         bullets_def += "  \\def\\labelitemi";
2166                         switch (i) {
2167                                 // `i' is one less than the item to modify
2168                         case 0:
2169                                 break;
2170                         case 1:
2171                                 bullets_def += 'i';
2172                                 break;
2173                         case 2:
2174                                 bullets_def += "ii";
2175                                 break;
2176                         case 3:
2177                                 bullets_def += 'v';
2178                                 break;
2179                         }
2180                         bullets_def += '{' +
2181                                 user_defined_bullet(i).getText()
2182                                 + "}\n";
2183                 }
2184         }
2185
2186         if (!bullets_def.empty())
2187                 atlyxpreamble << bullets_def << "}\n\n";
2188
2189         if (!atlyxpreamble.empty())
2190                 os << "\n\\makeatletter\n"
2191                    << atlyxpreamble.release()
2192                    << "\\makeatother\n\n";
2193
2194         // We try to load babel late, in case it interferes with other packages.
2195         // Jurabib, hyperref, varioref, bicaption and listings (bug 8995) have to be
2196         // called after babel, though.
2197         if (use_babel && !features.isRequired("jurabib")
2198             && !features.isRequired("hyperref")
2199                 && !features.isRequired("varioref")
2200             && !features.isRequired("vietnamese")
2201             && !features.isRequired("japanese")) {
2202                 os << features.getBabelPresettings();
2203                 // FIXME UNICODE
2204                 os << from_utf8(babelCall(language_options.str(),
2205                                           features.needBabelLangOptions())) + '\n';
2206                 os << features.getBabelPostsettings();
2207         }
2208         if (features.isRequired("bicaption"))
2209                 os << "\\usepackage{bicaption}\n";
2210         if (!listings_params.empty() || features.mustProvide("listings"))
2211                 os << "\\usepackage{listings}\n";
2212         if (!listings_params.empty()) {
2213                 os << "\\lstset{";
2214                 // do not test validity because listings_params is
2215                 // supposed to be valid
2216                 string par =
2217                         InsetListingsParams(listings_params).separatedParams(true);
2218                 os << from_utf8(par);
2219                 os << "}\n";
2220         }
2221
2222         // xunicode only needs to be loaded if tipa is used
2223         // (the rest is obsoleted by the new TU encoding).
2224         // It needs to be loaded at least after amsmath, amssymb,
2225         // esint and the other packages that provide special glyphs
2226         if (features.mustProvide("tipa") && useNonTeXFonts) {
2227                 // The package officially only supports XeTeX, but also works
2228                 // with LuaTeX. Thus we work around its XeTeX test.
2229                 if (features.runparams().flavor != OutputParams::XETEX) {
2230                         os << "% Pretend to xunicode that we are XeTeX\n"
2231                            << "\\def\\XeTeXpicfile{}\n";
2232                 }
2233                 os << "\\usepackage{xunicode}\n";
2234         }
2235
2236         // Polyglossia must be loaded last ...
2237         if (use_polyglossia) {
2238                 // call the package
2239                 os << "\\usepackage{polyglossia}\n";
2240                 // set the main language
2241                 os << "\\setdefaultlanguage";
2242                 if (!language->polyglossiaOpts().empty())
2243                         os << "[" << from_ascii(language->polyglossiaOpts()) << "]";
2244                 os << "{" << from_ascii(language->polyglossia()) << "}\n";
2245                 // now setup the other languages
2246                 set<string> const polylangs =
2247                         features.getPolyglossiaLanguages();
2248                 for (set<string>::const_iterator mit = polylangs.begin();
2249                      mit != polylangs.end() ; ++mit) {
2250                         // We do not output the options here; they are output in
2251                         // the language switch commands. This is safer if multiple
2252                         // varieties are used.
2253                         if (*mit == language->polyglossia())
2254                                 continue;
2255                         os << "\\setotherlanguage";
2256                         os << "{" << from_ascii(*mit) << "}\n";
2257                 }
2258         }
2259
2260         // ... but before biblatex (see #7065)
2261         if (features.mustProvide("biblatex")) {
2262                 string delim = "";
2263                 string opts;
2264                 os << "\\usepackage";
2265                 if (!biblatex_bibstyle.empty()
2266                     && (biblatex_bibstyle == biblatex_citestyle)) {
2267                         opts = "style=" + biblatex_bibstyle;
2268                         delim = ",";
2269                 } else {
2270                         if (!biblatex_bibstyle.empty()) {
2271                                 opts = "bibstyle=" + biblatex_bibstyle;
2272                                 delim = ",";
2273                         }
2274                         if (!biblatex_citestyle.empty()) {
2275                                 opts += delim + "citestyle=" + biblatex_citestyle;
2276                                 delim = ",";
2277                         }
2278                 }
2279                 if (!multibib.empty() && multibib != "child") {
2280                         opts += delim + "refsection=" + multibib;
2281                         delim = ",";
2282                 }
2283                 if (bibtexCommand() == "bibtex8"
2284                     || prefixIs(bibtexCommand(), "bibtex8 ")) {
2285                         opts += delim + "backend=bibtex8";
2286                         delim = ",";
2287                 } else if (bibtexCommand() == "bibtex"
2288                            || prefixIs(bibtexCommand(), "bibtex ")) {
2289                         opts += delim + "backend=bibtex";
2290                         delim = ",";
2291                 }
2292                 if (!biblio_opts.empty())
2293                         opts += delim + biblio_opts;
2294                 if (!opts.empty())
2295                         os << "[" << opts << "]";
2296                 os << "{biblatex}\n";
2297         }
2298
2299
2300         // Load custom language package here
2301         if (features.langPackage() == LaTeXFeatures::LANG_PACK_CUSTOM) {
2302                 if (lang_package == "default")
2303                         os << from_utf8(lyxrc.language_custom_package);
2304                 else
2305                         os << from_utf8(lang_package);
2306                 os << '\n';
2307         }
2308
2309         docstring const i18npreamble =
2310                 features.getTClassI18nPreamble(use_babel, use_polyglossia);
2311         if (!i18npreamble.empty())
2312                 os << i18npreamble + '\n';
2313
2314         return use_babel;
2315 }
2316
2317
2318 void BufferParams::useClassDefaults()
2319 {
2320         DocumentClass const & tclass = documentClass();
2321
2322         sides = tclass.sides();
2323         columns = tclass.columns();
2324         pagestyle = tclass.pagestyle();
2325         use_default_options = true;
2326         // Only if class has a ToC hierarchy
2327         if (tclass.hasTocLevels()) {
2328                 secnumdepth = tclass.secnumdepth();
2329                 tocdepth = tclass.tocdepth();
2330         }
2331 }
2332
2333
2334 bool BufferParams::hasClassDefaults() const
2335 {
2336         DocumentClass const & tclass = documentClass();
2337
2338         return sides == tclass.sides()
2339                 && columns == tclass.columns()
2340                 && pagestyle == tclass.pagestyle()
2341                 && use_default_options
2342                 && secnumdepth == tclass.secnumdepth()
2343                 && tocdepth == tclass.tocdepth();
2344 }
2345
2346
2347 DocumentClass const & BufferParams::documentClass() const
2348 {
2349         return *doc_class_;
2350 }
2351
2352
2353 DocumentClassConstPtr BufferParams::documentClassPtr() const
2354 {
2355         return doc_class_;
2356 }
2357
2358
2359 void BufferParams::setDocumentClass(DocumentClassConstPtr tc)
2360 {
2361         // evil, but this function is evil
2362         doc_class_ = const_pointer_cast<DocumentClass>(tc);
2363         invalidateConverterCache();
2364 }
2365
2366
2367 bool BufferParams::setBaseClass(string const & classname)
2368 {
2369         LYXERR(Debug::TCLASS, "setBaseClass: " << classname);
2370         LayoutFileList & bcl = LayoutFileList::get();
2371         if (!bcl.haveClass(classname)) {
2372                 docstring s =
2373                         bformat(_("The layout file:\n"
2374                                 "%1$s\n"
2375                                 "could not be found. A default textclass with default\n"
2376                                 "layouts will be used. LyX will not be able to produce\n"
2377                                 "correct output."),
2378                         from_utf8(classname));
2379                 frontend::Alert::error(_("Document class not found"), s);
2380                 bcl.addEmptyClass(classname);
2381         }
2382
2383         bool const success = bcl[classname].load();
2384         if (!success) {
2385                 docstring s =
2386                         bformat(_("Due to some error in it, the layout file:\n"
2387                                 "%1$s\n"
2388                                 "could not be loaded. A default textclass with default\n"
2389                                 "layouts will be used. LyX will not be able to produce\n"
2390                                 "correct output."),
2391                         from_utf8(classname));
2392                 frontend::Alert::error(_("Could not load class"), s);
2393                 bcl.addEmptyClass(classname);
2394         }
2395
2396         pimpl_->baseClass_ = classname;
2397         layout_modules_.adaptToBaseClass(baseClass(), removed_modules_);
2398         return true;
2399 }
2400
2401
2402 LayoutFile const * BufferParams::baseClass() const
2403 {
2404         if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
2405                 return &(LayoutFileList::get()[pimpl_->baseClass_]);
2406         else
2407                 return 0;
2408 }
2409
2410
2411 LayoutFileIndex const & BufferParams::baseClassID() const
2412 {
2413         return pimpl_->baseClass_;
2414 }
2415
2416
2417 void BufferParams::makeDocumentClass(bool const clone)
2418 {
2419         if (!baseClass())
2420                 return;
2421
2422         invalidateConverterCache();
2423         LayoutModuleList mods;
2424         LayoutModuleList ces;
2425         LayoutModuleList::iterator it = layout_modules_.begin();
2426         LayoutModuleList::iterator en = layout_modules_.end();
2427         for (; it != en; ++it)
2428                 mods.push_back(*it);
2429
2430         it = cite_engine_.begin();
2431         en = cite_engine_.end();
2432         for (; it != en; ++it)
2433                 ces.push_back(*it);
2434
2435         doc_class_ = getDocumentClass(*baseClass(), mods, ces, clone);
2436
2437         TextClass::ReturnValues success = TextClass::OK;
2438         if (!forced_local_layout_.empty())
2439                 success = doc_class_->read(to_utf8(forced_local_layout_),
2440                                            TextClass::MODULE);
2441         if (!local_layout_.empty() &&
2442             (success == TextClass::OK || success == TextClass::OK_OLDFORMAT))
2443                 success = doc_class_->read(to_utf8(local_layout_), TextClass::MODULE);
2444         if (success != TextClass::OK && success != TextClass::OK_OLDFORMAT) {
2445                 docstring const msg = _("Error reading internal layout information");
2446                 frontend::Alert::warning(_("Read Error"), msg);
2447         }
2448 }
2449
2450
2451 bool BufferParams::layoutModuleCanBeAdded(string const & modName) const
2452 {
2453         return layout_modules_.moduleCanBeAdded(modName, baseClass());
2454 }
2455
2456
2457 bool BufferParams::citationModuleCanBeAdded(string const & modName) const
2458 {
2459         return cite_engine_.moduleCanBeAdded(modName, baseClass());
2460 }
2461
2462
2463 docstring BufferParams::getLocalLayout(bool forced) const
2464 {
2465         if (forced)
2466                 return from_utf8(doc_class_->forcedLayouts());
2467         else
2468                 return local_layout_;
2469 }
2470
2471
2472 void BufferParams::setLocalLayout(docstring const & layout, bool forced)
2473 {
2474         if (forced)
2475                 forced_local_layout_ = layout;
2476         else
2477                 local_layout_ = layout;
2478 }
2479
2480
2481 bool BufferParams::addLayoutModule(string const & modName)
2482 {
2483         LayoutModuleList::const_iterator it = layout_modules_.begin();
2484         LayoutModuleList::const_iterator end = layout_modules_.end();
2485         for (; it != end; ++it)
2486                 if (*it == modName)
2487                         return false;
2488         layout_modules_.push_back(modName);
2489         return true;
2490 }
2491
2492
2493 string BufferParams::bufferFormat() const
2494 {
2495         return documentClass().outputFormat();
2496 }
2497
2498
2499 bool BufferParams::isExportable(string const & format, bool need_viewable) const
2500 {
2501         FormatList const & formats = exportableFormats(need_viewable);
2502         FormatList::const_iterator fit = formats.begin();
2503         FormatList::const_iterator end = formats.end();
2504         for (; fit != end ; ++fit) {
2505                 if ((*fit)->name() == format)
2506                         return true;
2507         }
2508         return false;
2509 }
2510
2511
2512 FormatList const & BufferParams::exportableFormats(bool only_viewable) const
2513 {
2514         FormatList & cached = only_viewable ?
2515                         pimpl_->viewableFormatList : pimpl_->exportableFormatList;
2516         bool & valid = only_viewable ? 
2517                         pimpl_->isViewCacheValid : pimpl_->isExportCacheValid;
2518         if (valid)
2519                 return cached;
2520
2521         vector<string> const backs = backends();
2522         set<string> excludes;
2523         if (useNonTeXFonts) {
2524                 excludes.insert("latex");
2525                 excludes.insert("pdflatex");
2526         }
2527         FormatList result =
2528                 theConverters().getReachable(backs[0], only_viewable, true, excludes);
2529         for (vector<string>::const_iterator it = backs.begin() + 1;
2530              it != backs.end(); ++it) {
2531                 FormatList r = theConverters().getReachable(*it, only_viewable, 
2532                                 false, excludes);
2533                 result.insert(result.end(), r.begin(), r.end());
2534         }
2535         sort(result.begin(), result.end(), Format::formatSorter);
2536         cached = result;
2537         valid = true;
2538         return cached;
2539 }
2540
2541
2542 vector<string> BufferParams::backends() const
2543 {
2544         vector<string> v;
2545         string const buffmt = bufferFormat();
2546
2547         // FIXME: Don't hardcode format names here, but use a flag
2548         if (buffmt == "latex") {
2549                 if (encoding().package() == Encoding::japanese)
2550                         v.push_back("platex");
2551                 else {
2552                         if (!useNonTeXFonts) {
2553                                 v.push_back("pdflatex");
2554                                 v.push_back("latex");
2555                         }
2556                         v.push_back("xetex");
2557                         v.push_back("luatex");
2558                         v.push_back("dviluatex");
2559                 }
2560         } else
2561                 v.push_back(buffmt);
2562
2563         v.push_back("xhtml");
2564         v.push_back("text");
2565         v.push_back("lyx");
2566         return v;
2567 }
2568
2569
2570 OutputParams::FLAVOR BufferParams::getOutputFlavor(string const & format) const
2571 {
2572         string const dformat = (format.empty() || format == "default") ?
2573                 getDefaultOutputFormat() : format;
2574         DefaultFlavorCache::const_iterator it =
2575                 default_flavors_.find(dformat);
2576
2577         if (it != default_flavors_.end())
2578                 return it->second;
2579
2580         OutputParams::FLAVOR result = OutputParams::LATEX;
2581
2582         // FIXME It'd be better not to hardcode this, but to do
2583         //       something with formats.
2584         if (dformat == "xhtml")
2585                 result = OutputParams::HTML;
2586         else if (dformat == "text")
2587                 result = OutputParams::TEXT;
2588         else if (dformat == "lyx")
2589                 result = OutputParams::LYX;
2590         else if (dformat == "pdflatex")
2591                 result = OutputParams::PDFLATEX;
2592         else if (dformat == "xetex")
2593                 result = OutputParams::XETEX;
2594         else if (dformat == "luatex")
2595                 result = OutputParams::LUATEX;
2596         else if (dformat == "dviluatex")
2597                 result = OutputParams::DVILUATEX;
2598         else {
2599                 // Try to determine flavor of default output format
2600                 vector<string> backs = backends();
2601                 if (find(backs.begin(), backs.end(), dformat) == backs.end()) {
2602                         // Get shortest path to format
2603                         Graph::EdgePath path;
2604                         for (vector<string>::const_iterator it = backs.begin();
2605                             it != backs.end(); ++it) {
2606                                 Graph::EdgePath p = theConverters().getPath(*it, dformat);
2607                                 if (!p.empty() && (path.empty() || p.size() < path.size())) {
2608                                         path = p;
2609                                 }
2610                         }
2611                         if (!path.empty())
2612                                 result = theConverters().getFlavor(path);
2613                 }
2614         }
2615         // cache this flavor
2616         default_flavors_[dformat] = result;
2617         return result;
2618 }
2619
2620
2621 string BufferParams::getDefaultOutputFormat() const
2622 {
2623         if (!default_output_format.empty()
2624             && default_output_format != "default")
2625                 return default_output_format;
2626         if (isDocBook()
2627             || encoding().package() == Encoding::japanese) {
2628                 FormatList const & formats = exportableFormats(true);
2629                 if (formats.empty())
2630                         return string();
2631                 // return the first we find
2632                 return formats.front()->name();
2633         }
2634         if (useNonTeXFonts)
2635                 return lyxrc.default_otf_view_format;
2636         return lyxrc.default_view_format;
2637 }
2638
2639 Font const BufferParams::getFont() const
2640 {
2641         FontInfo f = documentClass().defaultfont();
2642         if (fonts_default_family == "rmdefault")
2643                 f.setFamily(ROMAN_FAMILY);
2644         else if (fonts_default_family == "sfdefault")
2645                 f.setFamily(SANS_FAMILY);
2646         else if (fonts_default_family == "ttdefault")
2647                 f.setFamily(TYPEWRITER_FAMILY);
2648         return Font(f, language);
2649 }
2650
2651
2652 InsetQuotesParams::QuoteStyle BufferParams::getQuoteStyle(string const & qs) const
2653 {
2654         return quotesstyletranslator().find(qs);
2655 }
2656
2657
2658 bool BufferParams::isLatex() const
2659 {
2660         return documentClass().outputType() == LATEX;
2661 }
2662
2663
2664 bool BufferParams::isLiterate() const
2665 {
2666         return documentClass().outputType() == LITERATE;
2667 }
2668
2669
2670 bool BufferParams::isDocBook() const
2671 {
2672         return documentClass().outputType() == DOCBOOK;
2673 }
2674
2675
2676 void BufferParams::readPreamble(Lexer & lex)
2677 {
2678         if (lex.getString() != "\\begin_preamble")
2679                 lyxerr << "Error (BufferParams::readPreamble):"
2680                         "consistency check failed." << endl;
2681
2682         preamble = lex.getLongString(from_ascii("\\end_preamble"));
2683 }
2684
2685
2686 void BufferParams::readLocalLayout(Lexer & lex, bool forced)
2687 {
2688         string const expected = forced ? "\\begin_forced_local_layout" :
2689                                          "\\begin_local_layout";
2690         if (lex.getString() != expected)
2691                 lyxerr << "Error (BufferParams::readLocalLayout):"
2692                         "consistency check failed." << endl;
2693
2694         if (forced)
2695                 forced_local_layout_ =
2696                         lex.getLongString(from_ascii("\\end_forced_local_layout"));
2697         else
2698                 local_layout_ = lex.getLongString(from_ascii("\\end_local_layout"));
2699 }
2700
2701
2702 bool BufferParams::setLanguage(string const & lang)
2703 {
2704         Language const *new_language = languages.getLanguage(lang);
2705         if (!new_language) {
2706                 // Language lang was not found
2707                 return false;
2708         }
2709         language = new_language;
2710         return true;
2711 }
2712
2713
2714 void BufferParams::readLanguage(Lexer & lex)
2715 {
2716         if (!lex.next()) return;
2717
2718         string const tmptok = lex.getString();
2719
2720         // check if tmptok is part of tex_babel in tex-defs.h
2721         if (!setLanguage(tmptok)) {
2722                 // Language tmptok was not found
2723                 language = default_language;
2724                 lyxerr << "Warning: Setting language `"
2725                        << tmptok << "' to `" << language->lang()
2726                        << "'." << endl;
2727         }
2728 }
2729
2730
2731 void BufferParams::readGraphicsDriver(Lexer & lex)
2732 {
2733         if (!lex.next())
2734                 return;
2735
2736         string const tmptok = lex.getString();
2737         // check if tmptok is part of tex_graphics in tex_defs.h
2738         int n = 0;
2739         while (true) {
2740                 string const test = tex_graphics[n++];
2741
2742                 if (test == tmptok) {
2743                         graphics_driver = tmptok;
2744                         break;
2745                 }
2746                 if (test.empty()) {
2747                         lex.printError(
2748                                 "Warning: graphics driver `$$Token' not recognized!\n"
2749                                 "         Setting graphics driver to `default'.\n");
2750                         graphics_driver = "default";
2751                         break;
2752                 }
2753         }
2754 }
2755
2756
2757 void BufferParams::readBullets(Lexer & lex)
2758 {
2759         if (!lex.next())
2760                 return;
2761
2762         int const index = lex.getInteger();
2763         lex.next();
2764         int temp_int = lex.getInteger();
2765         user_defined_bullet(index).setFont(temp_int);
2766         temp_bullet(index).setFont(temp_int);
2767         lex >> temp_int;
2768         user_defined_bullet(index).setCharacter(temp_int);
2769         temp_bullet(index).setCharacter(temp_int);
2770         lex >> temp_int;
2771         user_defined_bullet(index).setSize(temp_int);
2772         temp_bullet(index).setSize(temp_int);
2773 }
2774
2775
2776 void BufferParams::readBulletsLaTeX(Lexer & lex)
2777 {
2778         // The bullet class should be able to read this.
2779         if (!lex.next())
2780                 return;
2781         int const index = lex.getInteger();
2782         lex.next(true);
2783         docstring const temp_str = lex.getDocString();
2784
2785         user_defined_bullet(index).setText(temp_str);
2786         temp_bullet(index).setText(temp_str);
2787 }
2788
2789
2790 void BufferParams::readModules(Lexer & lex)
2791 {
2792         if (!lex.eatLine()) {
2793                 lyxerr << "Error (BufferParams::readModules):"
2794                                 "Unexpected end of input." << endl;
2795                 return;
2796         }
2797         while (true) {
2798                 string mod = lex.getString();
2799                 if (mod == "\\end_modules")
2800                         break;
2801                 addLayoutModule(mod);
2802                 lex.eatLine();
2803         }
2804 }
2805
2806
2807 void BufferParams::readRemovedModules(Lexer & lex)
2808 {
2809         if (!lex.eatLine()) {
2810                 lyxerr << "Error (BufferParams::readRemovedModules):"
2811                                 "Unexpected end of input." << endl;
2812                 return;
2813         }
2814         while (true) {
2815                 string mod = lex.getString();
2816                 if (mod == "\\end_removed_modules")
2817                         break;
2818                 removed_modules_.push_back(mod);
2819                 lex.eatLine();
2820         }
2821         // now we want to remove any removed modules that were previously
2822         // added. normally, that will be because default modules were added in
2823         // setBaseClass(), which gets called when \textclass is read at the
2824         // start of the read.
2825         list<string>::const_iterator rit = removed_modules_.begin();
2826         list<string>::const_iterator const ren = removed_modules_.end();
2827         for (; rit != ren; ++rit) {
2828                 LayoutModuleList::iterator const mit = layout_modules_.begin();
2829                 LayoutModuleList::iterator const men = layout_modules_.end();
2830                 LayoutModuleList::iterator found = find(mit, men, *rit);
2831                 if (found == men)
2832                         continue;
2833                 layout_modules_.erase(found);
2834         }
2835 }
2836
2837
2838 void BufferParams::readIncludeonly(Lexer & lex)
2839 {
2840         if (!lex.eatLine()) {
2841                 lyxerr << "Error (BufferParams::readIncludeonly):"
2842                                 "Unexpected end of input." << endl;
2843                 return;
2844         }
2845         while (true) {
2846                 string child = lex.getString();
2847                 if (child == "\\end_includeonly")
2848                         break;
2849                 included_children_.push_back(child);
2850                 lex.eatLine();
2851         }
2852 }
2853
2854
2855 string BufferParams::paperSizeName(PapersizePurpose purpose) const
2856 {
2857         switch (papersize) {
2858         case PAPER_DEFAULT:
2859                 // could be anything, so don't guess
2860                 return string();
2861         case PAPER_CUSTOM: {
2862                 if (purpose == XDVI && !paperwidth.empty() &&
2863                     !paperheight.empty()) {
2864                         // heightxwidth<unit>
2865                         string first = paperwidth;
2866                         string second = paperheight;
2867                         if (orientation == ORIENTATION_LANDSCAPE)
2868                                 first.swap(second);
2869                         // cut off unit.
2870                         return first.erase(first.length() - 2)
2871                                 + "x" + second;
2872                 }
2873                 return string();
2874         }
2875         case PAPER_A0:
2876                 // dvips and dvipdfm do not know this
2877                 if (purpose == DVIPS || purpose == DVIPDFM)
2878                         return string();
2879                 return "a0";
2880         case PAPER_A1:
2881                 if (purpose == DVIPS || purpose == DVIPDFM)
2882                         return string();
2883                 return "a1";
2884         case PAPER_A2:
2885                 if (purpose == DVIPS || purpose == DVIPDFM)
2886                         return string();
2887                 return "a2";
2888         case PAPER_A3:
2889                 return "a3";
2890         case PAPER_A4:
2891                 return "a4";
2892         case PAPER_A5:
2893                 return "a5";
2894         case PAPER_A6:
2895                 if (purpose == DVIPS || purpose == DVIPDFM)
2896                         return string();
2897                 return "a6";
2898         case PAPER_B0:
2899                 if (purpose == DVIPS || purpose == DVIPDFM)
2900                         return string();
2901                 return "b0";
2902         case PAPER_B1:
2903                 if (purpose == DVIPS || purpose == DVIPDFM)
2904                         return string();
2905                 return "b1";
2906         case PAPER_B2:
2907                 if (purpose == DVIPS || purpose == DVIPDFM)
2908                         return string();
2909                 return "b2";
2910         case PAPER_B3:
2911                 if (purpose == DVIPS || purpose == DVIPDFM)
2912                         return string();
2913                 return "b3";
2914         case PAPER_B4:
2915                 // dvipdfm does not know this
2916                 if (purpose == DVIPDFM)
2917                         return string();
2918                 return "b4";
2919         case PAPER_B5:
2920                 if (purpose == DVIPDFM)
2921                         return string();
2922                 return "b5";
2923         case PAPER_B6:
2924                 if (purpose == DVIPS || purpose == DVIPDFM)
2925                         return string();
2926                 return "b6";
2927         case PAPER_C0:
2928                 if (purpose == DVIPS || purpose == DVIPDFM)
2929                         return string();
2930                 return "c0";
2931         case PAPER_C1:
2932                 if (purpose == DVIPS || purpose == DVIPDFM)
2933                         return string();
2934                 return "c1";
2935         case PAPER_C2:
2936                 if (purpose == DVIPS || purpose == DVIPDFM)
2937                         return string();
2938                 return "c2";
2939         case PAPER_C3:
2940                 if (purpose == DVIPS || purpose == DVIPDFM)
2941                         return string();
2942                 return "c3";
2943         case PAPER_C4:
2944                 if (purpose == DVIPS || purpose == DVIPDFM)
2945                         return string();
2946                 return "c4";
2947         case PAPER_C5:
2948                 if (purpose == DVIPS || purpose == DVIPDFM)
2949                         return string();
2950                 return "c5";
2951         case PAPER_C6:
2952                 if (purpose == DVIPS || purpose == DVIPDFM)
2953                         return string();
2954                 return "c6";
2955         case PAPER_JISB0:
2956                 if (purpose == DVIPS || purpose == DVIPDFM)
2957                         return string();
2958                 return "jisb0";
2959         case PAPER_JISB1:
2960                 if (purpose == DVIPS || purpose == DVIPDFM)
2961                         return string();
2962                 return "jisb1";
2963         case PAPER_JISB2:
2964                 if (purpose == DVIPS || purpose == DVIPDFM)
2965                         return string();
2966                 return "jisb2";
2967         case PAPER_JISB3:
2968                 if (purpose == DVIPS || purpose == DVIPDFM)
2969                         return string();
2970                 return "jisb3";
2971         case PAPER_JISB4:
2972                 if (purpose == DVIPS || purpose == DVIPDFM)
2973                         return string();
2974                 return "jisb4";
2975         case PAPER_JISB5:
2976                 if (purpose == DVIPS || purpose == DVIPDFM)
2977                         return string();
2978                 return "jisb5";
2979         case PAPER_JISB6:
2980                 if (purpose == DVIPS || purpose == DVIPDFM)
2981                         return string();
2982                 return "jisb6";
2983         case PAPER_USEXECUTIVE:
2984                 // dvipdfm does not know this
2985                 if (purpose == DVIPDFM)
2986                         return string();
2987                 return "foolscap";
2988         case PAPER_USLEGAL:
2989                 return "legal";
2990         case PAPER_USLETTER:
2991         default:
2992                 if (purpose == XDVI)
2993                         return "us";
2994                 return "letter";
2995         }
2996 }
2997
2998
2999 string const BufferParams::dvips_options() const
3000 {
3001         string result;
3002
3003         // If the class loads the geometry package, we do not know which
3004         // paper size is used, since we do not set it (bug 7013).
3005         // Therefore we must not specify any argument here.
3006         // dvips gets the correct paper size via DVI specials in this case
3007         // (if the class uses the geometry package correctly).
3008         if (documentClass().provides("geometry"))
3009                 return result;
3010
3011         if (use_geometry
3012             && papersize == PAPER_CUSTOM
3013             && !lyxrc.print_paper_dimension_flag.empty()
3014             && !paperwidth.empty()
3015             && !paperheight.empty()) {
3016                 // using a custom papersize
3017                 result = lyxrc.print_paper_dimension_flag;
3018                 result += ' ' + paperwidth;
3019                 result += ',' + paperheight;
3020         } else {
3021                 string const paper_option = paperSizeName(DVIPS);
3022                 if (!paper_option.empty() && (paper_option != "letter" ||
3023                     orientation != ORIENTATION_LANDSCAPE)) {
3024                         // dvips won't accept -t letter -t landscape.
3025                         // In all other cases, include the paper size
3026                         // explicitly.
3027                         result = lyxrc.print_paper_flag;
3028                         result += ' ' + paper_option;
3029                 }
3030         }
3031         if (orientation == ORIENTATION_LANDSCAPE &&
3032             papersize != PAPER_CUSTOM)
3033                 result += ' ' + lyxrc.print_landscape_flag;
3034         return result;
3035 }
3036
3037
3038 string const BufferParams::main_font_encoding() const
3039 {
3040         return font_encodings().empty() ? "default" : font_encodings().back();
3041 }
3042
3043
3044 vector<string> const BufferParams::font_encodings() const
3045 {
3046         string doc_fontenc = (fontenc == "global") ? lyxrc.fontenc : fontenc;
3047
3048         vector<string> fontencs;
3049
3050         // "default" means "no explicit font encoding"
3051         if (doc_fontenc != "default") {
3052                 fontencs = getVectorFromString(doc_fontenc);
3053                 if (!language->fontenc().empty()
3054                     && ascii_lowercase(language->fontenc()) != "none") {
3055                         vector<string> fencs = getVectorFromString(language->fontenc());
3056                         vector<string>::const_iterator fit = fencs.begin();
3057                         for (; fit != fencs.end(); ++fit) {
3058                                 if (find(fontencs.begin(), fontencs.end(), *fit) == fontencs.end())
3059                                         fontencs.push_back(*fit);
3060                         }
3061                 }
3062         }
3063
3064         return fontencs;
3065 }
3066
3067
3068 string BufferParams::babelCall(string const & lang_opts, bool const langoptions) const
3069 {
3070         // suppress the babel call if there is no BabelName defined
3071         // for the document language in the lib/languages file and if no
3072         // other languages are used (lang_opts is then empty)
3073         if (lang_opts.empty())
3074                 return string();
3075         // either a specific language (AsBabelOptions setting in
3076         // lib/languages) or the prefs require the languages to
3077         // be submitted to babel itself (not the class).
3078         if (langoptions)
3079                 return "\\usepackage[" + lang_opts + "]{babel}";
3080         return "\\usepackage{babel}";
3081 }
3082
3083
3084 docstring BufferParams::getGraphicsDriver(string const & package) const
3085 {
3086         docstring result;
3087
3088         if (package == "geometry") {
3089                 if (graphics_driver == "dvips"
3090                     || graphics_driver == "dvipdfm"
3091                     || graphics_driver == "pdftex"
3092                     || graphics_driver == "vtex")
3093                         result = from_ascii(graphics_driver);
3094                 else if (graphics_driver == "dvipdfmx")
3095                         result = from_ascii("dvipdfm");
3096         }
3097
3098         return result;
3099 }
3100
3101
3102 void BufferParams::writeEncodingPreamble(otexstream & os,
3103                                          LaTeXFeatures & features) const
3104 {
3105         // XeTeX/LuaTeX: (see also #9740)
3106         // With Unicode fonts we use utf8-plain without encoding package.
3107         // With TeX fonts, we cannot use utf8-plain, but "inputenc" fails.
3108         // XeTeX must use ASCII encoding (see Buffer.cpp),
3109         //  for LuaTeX, we load "luainputenc" (see below).
3110         if (useNonTeXFonts || features.runparams().flavor == OutputParams::XETEX)
3111                 return;
3112
3113         if (inputenc == "auto") {
3114                 string const doc_encoding =
3115                         language->encoding()->latexName();
3116                 Encoding::Package const package =
3117                         language->encoding()->package();
3118
3119                 // Create list of inputenc options:
3120                 set<string> encodings;
3121                 // luainputenc fails with more than one encoding
3122                 if (!features.runparams().isFullUnicode()) // if we reach this point, this means LuaTeX with TeX fonts
3123                         // list all input encodings used in the document
3124                         encodings = features.getEncodingSet(doc_encoding);
3125
3126                 // If the "japanese" package (i.e. pLaTeX) is used,
3127                 // inputenc must be omitted.
3128                 // see http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129680.html
3129                 if ((!encodings.empty() || package == Encoding::inputenc)
3130                     && !features.isRequired("japanese")
3131                     && !features.isProvided("inputenc")) {
3132                         os << "\\usepackage[";
3133                         set<string>::const_iterator it = encodings.begin();
3134                         set<string>::const_iterator const end = encodings.end();
3135                         if (it != end) {
3136                                 os << from_ascii(*it);
3137                                 ++it;
3138                         }
3139                         for (; it != end; ++it)
3140                                 os << ',' << from_ascii(*it);
3141                         if (package == Encoding::inputenc) {
3142                                 if (!encodings.empty())
3143                                         os << ',';
3144                                 os << from_ascii(doc_encoding);
3145                         }
3146                         if (features.runparams().flavor == OutputParams::LUATEX
3147                             || features.runparams().flavor == OutputParams::DVILUATEX)
3148                                 os << "]{luainputenc}\n";
3149                         else
3150                                 os << "]{inputenc}\n";
3151                 }
3152                 if (package == Encoding::CJK || features.mustProvide("CJK")) {
3153                         if (language->encoding()->name() == "utf8-cjk"
3154                             && LaTeXFeatures::isAvailable("CJKutf8"))
3155                                 os << "\\usepackage{CJKutf8}\n";
3156                         else
3157                                 os << "\\usepackage{CJK}\n";
3158                 }
3159         } else if (inputenc != "default") {
3160                 switch (encoding().package()) {
3161                 case Encoding::none:
3162                 case Encoding::japanese:
3163                         break;
3164                 case Encoding::inputenc:
3165                         // do not load inputenc if japanese is used
3166                         // or if the class provides inputenc
3167                         if (features.isRequired("japanese")
3168                             || features.isProvided("inputenc"))
3169                                 break;
3170                         os << "\\usepackage[" << from_ascii(encoding().latexName());
3171                         if (features.runparams().flavor == OutputParams::LUATEX
3172                             || features.runparams().flavor == OutputParams::DVILUATEX)
3173                                 os << "]{luainputenc}\n";
3174                         else
3175                                 os << "]{inputenc}\n";
3176                         break;
3177                 case Encoding::CJK:
3178                         if (encoding().name() == "utf8-cjk"
3179                             && LaTeXFeatures::isAvailable("CJKutf8"))
3180                                 os << "\\usepackage{CJKutf8}\n";
3181                         else
3182                                 os << "\\usepackage{CJK}\n";
3183                         break;
3184                 }
3185                 // Load the CJK package if needed by a secondary language.
3186                 // If the main encoding is some variant of UTF8, use CJKutf8.
3187                 if (encoding().package() != Encoding::CJK && features.mustProvide("CJK")) {
3188                         if (encoding().iconvName() == "UTF-8"
3189                             && LaTeXFeatures::isAvailable("CJKutf8"))
3190                                 os << "\\usepackage{CJKutf8}\n";
3191                         else
3192                                 os << "\\usepackage{CJK}\n";
3193                 }
3194         }
3195 }
3196
3197
3198 string const BufferParams::parseFontName(string const & name) const
3199 {
3200         string mangled = name;
3201         size_t const idx = mangled.find('[');
3202         if (idx == string::npos || idx == 0)
3203                 return mangled;
3204         else
3205                 return mangled.substr(0, idx - 1);
3206 }
3207
3208
3209 string const BufferParams::loadFonts(LaTeXFeatures & features) const
3210 {
3211         if (fontsRoman() == "default" && fontsSans() == "default"
3212             && fontsTypewriter() == "default"
3213             && (fontsMath() == "default" || fontsMath() == "auto"))
3214                 //nothing to do
3215                 return string();
3216
3217         ostringstream os;
3218
3219         /* Fontspec (XeTeX, LuaTeX): we provide GUI support for oldstyle
3220          * numbers (Numbers=OldStyle) and sf/tt scaling. The Ligatures=TeX/
3221          * Mapping=tex-text option assures TeX ligatures (such as "--")
3222          * are resolved. Note that tt does not use these ligatures.
3223          * TODO:
3224          *    -- add more GUI options?
3225          *    -- add more fonts (fonts for other scripts)
3226          *    -- if there's a way to find out if a font really supports
3227          *       OldStyle, enable/disable the widget accordingly.
3228         */
3229         if (useNonTeXFonts && features.isAvailable("fontspec")) {
3230                 // "Mapping=tex-text" and "Ligatures=TeX" are equivalent.
3231                 // However, until v.2 (2010/07/11) fontspec only knew
3232                 // Mapping=tex-text (for XeTeX only); then "Ligatures=TeX"
3233                 // was introduced for both XeTeX and LuaTeX (LuaTeX
3234                 // didn't understand "Mapping=tex-text", while XeTeX
3235                 // understood both. With most recent versions, both
3236                 // variants are understood by both engines. However,
3237                 // we want to provide support for at least TeXLive 2009
3238                 // (for XeTeX; LuaTeX is only supported as of v.2)
3239                 string const texmapping =
3240                         (features.runparams().flavor == OutputParams::XETEX) ?
3241                         "Mapping=tex-text" : "Ligatures=TeX";
3242                 if (fontsRoman() != "default") {
3243                         os << "\\setmainfont[" << texmapping;
3244                         if (fonts_old_figures)
3245                                 os << ",Numbers=OldStyle";
3246                         os << "]{" << parseFontName(fontsRoman()) << "}\n";
3247                 }
3248                 if (fontsSans() != "default") {
3249                         string const sans = parseFontName(fontsSans());
3250                         if (fontsSansScale() != 100)
3251                                 os << "\\setsansfont[Scale="
3252                                    << float(fontsSansScale()) / 100
3253                                    << "," << texmapping << "]{"
3254                                    << sans << "}\n";
3255                         else
3256                                 os << "\\setsansfont[" << texmapping << "]{"
3257                                    << sans << "}\n";
3258                 }
3259                 if (fontsTypewriter() != "default") {
3260                         string const mono = parseFontName(fontsTypewriter());
3261                         if (fontsTypewriterScale() != 100)
3262                                 os << "\\setmonofont[Scale="
3263                                    << float(fontsTypewriterScale()) / 100
3264                                    << "]{"
3265                                    << mono << "}\n";
3266                         else
3267                                 os << "\\setmonofont{"
3268                                    << mono << "}\n";
3269                 }
3270                 return os.str();
3271         }
3272
3273         // Tex Fonts
3274         bool const ot1 = (main_font_encoding() == "default" || main_font_encoding() == "OT1");
3275         bool const dryrun = features.runparams().dryrun;
3276         bool const complete = (fontsSans() == "default" && fontsTypewriter() == "default");
3277         bool const nomath = (fontsMath() == "default");
3278
3279         // ROMAN FONTS
3280         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsRoman())).getLaTeXCode(
3281                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3282                 nomath);
3283
3284         // SANS SERIF
3285         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsSans())).getLaTeXCode(
3286                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3287                 nomath, fontsSansScale());
3288
3289         // MONOSPACED/TYPEWRITER
3290         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsTypewriter())).getLaTeXCode(
3291                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3292                 nomath, fontsTypewriterScale());
3293
3294         // MATH
3295         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsMath())).getLaTeXCode(
3296                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3297                 nomath);
3298
3299         return os.str();
3300 }
3301
3302
3303 Encoding const & BufferParams::encoding() const
3304 {
3305         // Main encoding for LaTeX output.
3306         // 
3307         // Exception: XeTeX with 8-bit TeX fonts requires ASCII (see #9740).
3308         // As the "flavor" is only known once export started, this
3309         // cannot be handled here. Instead, runparams.encoding is set
3310         // to ASCII in Buffer::makeLaTeXFile (for export)
3311         // and Buffer::writeLaTeXSource (for preview).
3312         if (useNonTeXFonts)
3313                 return *(encodings.fromLyXName("utf8-plain"));
3314         if (inputenc == "auto" || inputenc == "default")
3315                 return *language->encoding();
3316         Encoding const * const enc = encodings.fromLyXName(inputenc);
3317         if (enc)
3318                 return *enc;
3319         LYXERR0("Unknown inputenc value `" << inputenc
3320                << "'. Using `auto' instead.");
3321         return *language->encoding();
3322 }
3323
3324
3325 bool BufferParams::addCiteEngine(string const & engine)
3326 {
3327         LayoutModuleList::const_iterator it = cite_engine_.begin();
3328         LayoutModuleList::const_iterator en = cite_engine_.end();
3329         for (; it != en; ++it)
3330                 if (*it == engine)
3331                         return false;
3332         cite_engine_.push_back(engine);
3333         return true;
3334 }
3335
3336
3337 bool BufferParams::addCiteEngine(vector<string> const & engine)
3338 {
3339         vector<string>::const_iterator it = engine.begin();
3340         vector<string>::const_iterator en = engine.end();
3341         bool ret = true;
3342         for (; it != en; ++it)
3343                 if (!addCiteEngine(*it))
3344                         ret = false;
3345         return ret;
3346 }
3347
3348
3349 string const & BufferParams::defaultBiblioStyle() const
3350 {
3351         map<string, string> const & bs = documentClass().defaultBiblioStyle();
3352         auto cit = bs.find(theCiteEnginesList.getTypeAsString(citeEngineType()));
3353         if (cit != bs.end())
3354                 return cit->second;
3355         else
3356                 return empty_string();
3357 }
3358
3359
3360 bool const & BufferParams::fullAuthorList() const
3361 {
3362         return documentClass().fullAuthorList();
3363 }
3364
3365
3366 string BufferParams::getCiteAlias(string const & s) const
3367 {
3368         vector<string> commands =
3369                 documentClass().citeCommands(citeEngineType());
3370         // If it is a real command, don't treat it as an alias
3371         if (find(commands.begin(), commands.end(), s) != commands.end())
3372                 return string();
3373         map<string,string> aliases = documentClass().citeCommandAliases();
3374         if (aliases.find(s) != aliases.end())
3375                 return aliases[s];
3376         return string();
3377 }
3378
3379
3380 void BufferParams::setCiteEngine(string const & engine)
3381 {
3382         clearCiteEngine();
3383         addCiteEngine(engine);
3384 }
3385
3386
3387 void BufferParams::setCiteEngine(vector<string> const & engine)
3388 {
3389         clearCiteEngine();
3390         addCiteEngine(engine);
3391 }
3392
3393
3394 vector<string> BufferParams::citeCommands() const
3395 {
3396         static CitationStyle const default_style;
3397         vector<string> commands =
3398                 documentClass().citeCommands(citeEngineType());
3399         if (commands.empty())
3400                 commands.push_back(default_style.name);
3401         return commands;
3402 }
3403
3404
3405 vector<CitationStyle> BufferParams::citeStyles() const
3406 {
3407         static CitationStyle const default_style;
3408         vector<CitationStyle> styles =
3409                 documentClass().citeStyles(citeEngineType());
3410         if (styles.empty())
3411                 styles.push_back(default_style);
3412         return styles;
3413 }
3414
3415
3416 string const BufferParams::bibtexCommand() const
3417 {
3418         // Return document-specific setting if available
3419         if (bibtex_command != "default")
3420                 return bibtex_command;
3421
3422         // If we have "default" in document settings, consult the prefs
3423         // 1. Japanese (uses a specific processor)
3424         if (encoding().package() == Encoding::japanese) {
3425                 if (lyxrc.jbibtex_command != "automatic")
3426                         // Return the specified program, if "automatic" is not set
3427                         return lyxrc.jbibtex_command;
3428                 else if (!useBiblatex()) {
3429                         // With classic BibTeX, return pbibtex, jbibtex, bibtex
3430                         if (lyxrc.jbibtex_alternatives.find("pbibtex") != lyxrc.jbibtex_alternatives.end())
3431                                 return "pbibtex";
3432                         if (lyxrc.jbibtex_alternatives.find("jbibtex") != lyxrc.jbibtex_alternatives.end())
3433                                 return "jbibtex";
3434                         return "bibtex";
3435                 }
3436         }
3437         // 2. All other languages
3438         else if (lyxrc.bibtex_command != "automatic")
3439                 // Return the specified program, if "automatic" is not set
3440                 return lyxrc.bibtex_command;
3441
3442         // 3. Automatic: find the most suitable for the current cite framework
3443         if (useBiblatex()) {
3444                 // For Biblatex, we prefer biber (also for Japanese)
3445                 // and fall back to bibtex8 and, as last resort, bibtex
3446                 if (lyxrc.bibtex_alternatives.find("biber") != lyxrc.bibtex_alternatives.end())
3447                         return "biber";
3448                 else if (lyxrc.bibtex_alternatives.find("bibtex8") != lyxrc.bibtex_alternatives.end())
3449                         return "bibtex8";
3450         }
3451         return "bibtex";
3452 }
3453
3454
3455 bool BufferParams::useBiblatex() const
3456 {
3457         return theCiteEnginesList[citeEngine().list().front()]
3458                         ->getCiteFramework() == "biblatex";
3459 }
3460
3461
3462 void BufferParams::invalidateConverterCache() const
3463 {
3464         pimpl_->isExportCacheValid = false;
3465         pimpl_->isViewCacheValid = false;
3466 }
3467
3468 } // namespace lyx