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[features.git] / src / BufferParams.cpp
1 /**
2  * \file BufferParams.cpp
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author Alfredo Braunstein
7  * \author Lars Gullik Bjønnes
8  * \author Jean-Marc Lasgouttes
9  * \author John Levon
10  * \author André Pönitz
11  * \author Martin Vermeer
12  *
13  * Full author contact details are available in file CREDITS.
14  */
15
16 #include <config.h>
17
18 #include "BufferParams.h"
19
20 #include "Author.h"
21 #include "LayoutFile.h"
22 #include "BranchList.h"
23 #include "Buffer.h"
24 #include "buffer_funcs.h"
25 #include "Bullet.h"
26 #include "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         math_number = DEFAULT;
389         quotes_style = InsetQuotesParams::EnglishQuotes;
390         dynamic_quotes = false;
391         fontsize = "default";
392
393         /*  PaperLayout */
394         papersize = PAPER_DEFAULT;
395         orientation = ORIENTATION_PORTRAIT;
396         use_geometry = false;
397         biblio_style = "plain";
398         use_bibtopic = false;
399         multibib = string();
400         use_indices = false;
401         save_transient_properties = true;
402         track_changes = false;
403         output_changes = false;
404         use_default_options = true;
405         maintain_unincluded_children = false;
406         secnumdepth = 3;
407         tocdepth = 3;
408         language = default_language;
409         fontenc = "global";
410         fonts_roman[0] = "default";
411         fonts_roman[1] = "default";
412         fonts_sans[0] = "default";
413         fonts_sans[1] = "default";
414         fonts_typewriter[0] = "default";
415         fonts_typewriter[1] = "default";
416         fonts_math[0] = "auto";
417         fonts_math[1] = "auto";
418         fonts_default_family = "default";
419         useNonTeXFonts = false;
420         use_microtype = false;
421         use_dash_ligatures = true;
422         fonts_expert_sc = false;
423         fonts_old_figures = false;
424         fonts_sans_scale[0] = 100;
425         fonts_sans_scale[1] = 100;
426         fonts_typewriter_scale[0] = 100;
427         fonts_typewriter_scale[1] = 100;
428         inputenc = "auto";
429         lang_package = "default";
430         graphics_driver = "default";
431         default_output_format = "default";
432         bibtex_command = "default";
433         index_command = "default";
434         sides = OneSide;
435         columns = 1;
436         listings_params = string();
437         pagestyle = "default";
438         suppress_date = false;
439         justification = true;
440         // no color is the default (white)
441         backgroundcolor = lyx::rgbFromHexName("#ffffff");
442         isbackgroundcolor = false;
443         // no color is the default (black)
444         fontcolor = lyx::rgbFromHexName("#000000");
445         isfontcolor = false;
446         // light gray is the default font color for greyed-out notes
447         notefontcolor = lyx::rgbFromHexName("#cccccc");
448         boxbgcolor = lyx::rgbFromHexName("#ff0000");
449         compressed = lyxrc.save_compressed;
450         for (int iter = 0; iter < 4; ++iter) {
451                 user_defined_bullet(iter) = ITEMIZE_DEFAULTS[iter];
452                 temp_bullet(iter) = ITEMIZE_DEFAULTS[iter];
453         }
454         // default index
455         indiceslist().addDefault(B_("Index"));
456         html_be_strict = false;
457         html_math_output = MathML;
458         html_math_img_scale = 1.0;
459         html_css_as_file = false;
460         display_pixel_ratio = 1.0;
461
462         output_sync = false;
463         use_refstyle = true;
464
465         // map current author
466         author_map_[pimpl_->authorlist.get(0).bufferId()] = 0;
467 }
468
469
470 docstring BufferParams::B_(string const & l10n) const
471 {
472         LASSERT(language, return from_utf8(l10n));
473         return getMessages(language->code()).get(l10n);
474 }
475
476
477 BufferParams::Package BufferParams::use_package(std::string const & p) const
478 {
479         PackageMap::const_iterator it = use_packages.find(p);
480         if (it == use_packages.end())
481                 return package_auto;
482         return it->second;
483 }
484
485
486 void BufferParams::use_package(std::string const & p, BufferParams::Package u)
487 {
488         use_packages[p] = u;
489 }
490
491
492 map<string, string> const & BufferParams::auto_packages()
493 {
494         static map<string, string> packages;
495         if (packages.empty()) {
496                 // We could have a race condition here that two threads
497                 // discover an empty map at the same time and want to fill
498                 // it, but that is no problem, since the same contents is
499                 // filled in twice then. Having the locker inside the
500                 // packages.empty() condition has the advantage that we
501                 // don't need the mutex overhead for simple reading.
502                 static Mutex mutex;
503                 Mutex::Locker locker(&mutex);
504                 // adding a package here implies a file format change!
505                 packages["amsmath"] =
506                         N_("The LaTeX package amsmath is only used if AMS formula types or symbols from the AMS math toolbars are inserted into formulas");
507                 packages["amssymb"] =
508                         N_("The LaTeX package amssymb is only used if symbols from the AMS math toolbars are inserted into formulas");
509                 packages["cancel"] =
510                         N_("The LaTeX package cancel is only used if \\cancel commands are used in formulas");
511                 packages["esint"] =
512                         N_("The LaTeX package esint is only used if special integral symbols are inserted into formulas");
513                 packages["mathdots"] =
514                         N_("The LaTeX package mathdots is only used if the command \\iddots is inserted into formulas");
515                 packages["mathtools"] =
516                         N_("The LaTeX package mathtools is only used if some mathematical relations are inserted into formulas");
517                 packages["mhchem"] =
518                         N_("The LaTeX package mhchem is only used if either the command \\ce or \\cf is inserted into formulas");
519                 packages["stackrel"] =
520                         N_("The LaTeX package stackrel is only used if the command \\stackrel with subscript is inserted into formulas");
521                 packages["stmaryrd"] =
522                         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");
523                 packages["undertilde"] =
524                         N_("The LaTeX package undertilde is only used if you use the math frame decoration 'utilde'");
525         }
526         return packages;
527 }
528
529
530 bool BufferParams::useBibtopic() const
531 {
532         if (useBiblatex())
533                 return false;
534         return (use_bibtopic || (!multibib.empty() && multibib != "child"));
535 }
536
537
538 AuthorList & BufferParams::authors()
539 {
540         return pimpl_->authorlist;
541 }
542
543
544 AuthorList const & BufferParams::authors() const
545 {
546         return pimpl_->authorlist;
547 }
548
549
550 void BufferParams::addAuthor(Author a)
551 {
552         author_map_[a.bufferId()] = pimpl_->authorlist.record(a);
553 }
554
555
556 BranchList & BufferParams::branchlist()
557 {
558         return pimpl_->branchlist;
559 }
560
561
562 BranchList const & BufferParams::branchlist() const
563 {
564         return pimpl_->branchlist;
565 }
566
567
568 IndicesList & BufferParams::indiceslist()
569 {
570         return pimpl_->indiceslist;
571 }
572
573
574 IndicesList const & BufferParams::indiceslist() const
575 {
576         return pimpl_->indiceslist;
577 }
578
579
580 Bullet & BufferParams::temp_bullet(lyx::size_type const index)
581 {
582         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
583         return pimpl_->temp_bullets[index];
584 }
585
586
587 Bullet const & BufferParams::temp_bullet(lyx::size_type const index) const
588 {
589         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
590         return pimpl_->temp_bullets[index];
591 }
592
593
594 Bullet & BufferParams::user_defined_bullet(lyx::size_type const index)
595 {
596         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
597         return pimpl_->user_defined_bullets[index];
598 }
599
600
601 Bullet const & BufferParams::user_defined_bullet(lyx::size_type const index) const
602 {
603         LASSERT(index < 4, return pimpl_->temp_bullets[0]);
604         return pimpl_->user_defined_bullets[index];
605 }
606
607
608 Spacing & BufferParams::spacing()
609 {
610         return pimpl_->spacing;
611 }
612
613
614 Spacing const & BufferParams::spacing() const
615 {
616         return pimpl_->spacing;
617 }
618
619
620 PDFOptions & BufferParams::pdfoptions()
621 {
622         return pimpl_->pdfoptions;
623 }
624
625
626 PDFOptions const & BufferParams::pdfoptions() const
627 {
628         return pimpl_->pdfoptions;
629 }
630
631
632 Length const & BufferParams::getMathIndent() const
633 {
634         return pimpl_->mathindent;
635 }
636
637
638 void BufferParams::setMathIndent(Length const & indent)
639 {
640         pimpl_->mathindent = indent;
641 }
642
643
644 Length const & BufferParams::getParIndent() const
645 {
646         return pimpl_->parindent;
647 }
648
649
650 void BufferParams::setParIndent(Length const & indent)
651 {
652         pimpl_->parindent = indent;
653 }
654
655
656 VSpace const & BufferParams::getDefSkip() const
657 {
658         return pimpl_->defskip;
659 }
660
661
662 void BufferParams::setDefSkip(VSpace const & vs)
663 {
664         // DEFSKIP will cause an infinite loop
665         LASSERT(vs.kind() != VSpace::DEFSKIP, return);
666         pimpl_->defskip = vs;
667 }
668
669
670 string BufferParams::readToken(Lexer & lex, string const & token,
671         FileName const & filepath)
672 {
673         string result;
674
675         if (token == "\\textclass") {
676                 lex.next();
677                 string const classname = lex.getString();
678                 // if there exists a local layout file, ignore the system one
679                 // NOTE: in this case, the textclass (.cls file) is assumed to
680                 // be available.
681                 string tcp;
682                 LayoutFileList & bcl = LayoutFileList::get();
683                 if (!filepath.empty()) {
684                         // If classname is an absolute path, the document is
685                         // using a local layout file which could not be accessed
686                         // by a relative path. In this case the path is correct
687                         // even if the document was moved to a different
688                         // location. However, we will have a problem if the
689                         // document was generated on a different platform.
690                         bool isabsolute = FileName::isAbsolute(classname);
691                         string const classpath = onlyPath(classname);
692                         string const path = isabsolute ? classpath
693                                 : FileName(addPath(filepath.absFileName(),
694                                                 classpath)).realPath();
695                         string const oldpath = isabsolute ? string()
696                                 : FileName(addPath(origin, classpath)).realPath();
697                         tcp = bcl.addLocalLayout(onlyFileName(classname), path, oldpath);
698                 }
699                 // that returns non-empty if a "local" layout file is found.
700                 if (!tcp.empty()) {
701                         result = to_utf8(makeRelPath(from_utf8(onlyPath(tcp)),
702                                                 from_utf8(filepath.absFileName())));
703                         if (result.empty())
704                                 result = ".";
705                         setBaseClass(onlyFileName(tcp));
706                 } else
707                         setBaseClass(onlyFileName(classname));
708                 // We assume that a tex class exists for local or unknown
709                 // layouts so this warning, will only be given for system layouts.
710                 if (!baseClass()->isTeXClassAvailable()) {
711                         docstring const desc =
712                                 translateIfPossible(from_utf8(baseClass()->description()));
713                         docstring const prereqs =
714                                 from_utf8(baseClass()->prerequisites());
715                         docstring const msg =
716                                 bformat(_("The selected document class\n"
717                                                  "\t%1$s\n"
718                                                  "requires external files that are not available.\n"
719                                                  "The document class can still be used, but the\n"
720                                                  "document cannot be compiled until the following\n"
721                                                  "prerequisites are installed:\n"
722                                                  "\t%2$s\n"
723                                                  "See section 3.1.2.2 (Class Availability) of the\n"
724                                                  "User's Guide for more information."), desc, prereqs);
725                         frontend::Alert::warning(_("Document class not available"),
726                                        msg, true);
727                 }
728         } else if (token == "\\save_transient_properties") {
729                 lex >> save_transient_properties;
730         } else if (token == "\\origin") {
731                 lex.eatLine();
732                 origin = lex.getString();
733                 string const sysdirprefix = "/systemlyxdir/";
734                 if (prefixIs(origin, sysdirprefix)) {
735                         string docsys;
736                         if (inSystemDir(filepath, docsys))
737                                 origin.replace(0, sysdirprefix.length() - 1, docsys);
738                         else
739                                 origin.replace(0, sysdirprefix.length() - 1,
740                                         package().system_support().absFileName());
741                 }
742         } else if (token == "\\begin_preamble") {
743                 readPreamble(lex);
744         } else if (token == "\\begin_local_layout") {
745                 readLocalLayout(lex, false);
746         } else if (token == "\\begin_forced_local_layout") {
747                 readLocalLayout(lex, true);
748         } else if (token == "\\begin_modules") {
749                 readModules(lex);
750         } else if (token == "\\begin_removed_modules") {
751                 readRemovedModules(lex);
752         } else if (token == "\\begin_includeonly") {
753                 readIncludeonly(lex);
754         } else if (token == "\\maintain_unincluded_children") {
755                 lex >> maintain_unincluded_children;
756         } else if (token == "\\options") {
757                 lex.eatLine();
758                 options = lex.getString();
759         } else if (token == "\\use_default_options") {
760                 lex >> use_default_options;
761         } else if (token == "\\master") {
762                 lex.eatLine();
763                 master = lex.getString();
764                 if (!filepath.empty() && FileName::isAbsolute(origin)) {
765                         bool const isabs = FileName::isAbsolute(master);
766                         FileName const abspath(isabs ? master : origin + master);
767                         bool const moved = filepath != FileName(origin);
768                         if (moved && abspath.exists()) {
769                                 docstring const path = isabs
770                                         ? from_utf8(master)
771                                         : from_utf8(abspath.realPath());
772                                 docstring const refpath =
773                                         from_utf8(filepath.absFileName());
774                                 master = to_utf8(makeRelPath(path, refpath));
775                         }
776                 }
777         } else if (token == "\\suppress_date") {
778                 lex >> suppress_date;
779         } else if (token == "\\justification") {
780                 lex >> justification;
781         } else if (token == "\\language") {
782                 readLanguage(lex);
783         } else if (token == "\\language_package") {
784                 lex.eatLine();
785                 lang_package = lex.getString();
786         } else if (token == "\\inputencoding") {
787                 lex >> inputenc;
788         } else if (token == "\\graphics") {
789                 readGraphicsDriver(lex);
790         } else if (token == "\\default_output_format") {
791                 lex >> default_output_format;
792         } else if (token == "\\bibtex_command") {
793                 lex.eatLine();
794                 bibtex_command = lex.getString();
795         } else if (token == "\\index_command") {
796                 lex.eatLine();
797                 index_command = lex.getString();
798         } else if (token == "\\fontencoding") {
799                 lex.eatLine();
800                 fontenc = lex.getString();
801         } else if (token == "\\font_roman") {
802                 lex >> fonts_roman[0];
803                 lex >> fonts_roman[1];
804         } else if (token == "\\font_sans") {
805                 lex >> fonts_sans[0];
806                 lex >> fonts_sans[1];
807         } else if (token == "\\font_typewriter") {
808                 lex >> fonts_typewriter[0];
809                 lex >> fonts_typewriter[1];
810         } else if (token == "\\font_math") {
811                 lex >> fonts_math[0];
812                 lex >> fonts_math[1];
813         } else if (token == "\\font_default_family") {
814                 lex >> fonts_default_family;
815         } else if (token == "\\use_non_tex_fonts") {
816                 lex >> useNonTeXFonts;
817         } else if (token == "\\font_sc") {
818                 lex >> fonts_expert_sc;
819         } else if (token == "\\font_osf") {
820                 lex >> fonts_old_figures;
821         } else if (token == "\\font_sf_scale") {
822                 lex >> fonts_sans_scale[0];
823                 lex >> fonts_sans_scale[1];
824         } else if (token == "\\font_tt_scale") {
825                 lex >> fonts_typewriter_scale[0];
826                 lex >> fonts_typewriter_scale[1];
827         } else if (token == "\\font_cjk") {
828                 lex >> fonts_cjk;
829         } else if (token == "\\use_microtype") {
830                 lex >> use_microtype;
831         } else if (token == "\\use_dash_ligatures") {
832                 lex >> use_dash_ligatures;
833         } else if (token == "\\paragraph_separation") {
834                 string parsep;
835                 lex >> parsep;
836                 paragraph_separation = parseptranslator().find(parsep);
837         } else if (token == "\\paragraph_indentation") {
838                 lex.next();
839                 string parindent = lex.getString();
840                 if (parindent == "default")
841                         pimpl_->parindent = Length();
842                 else
843                         pimpl_->parindent = Length(parindent);
844         } else if (token == "\\defskip") {
845                 lex.next();
846                 string const defskip = lex.getString();
847                 pimpl_->defskip = VSpace(defskip);
848                 if (pimpl_->defskip.kind() == VSpace::DEFSKIP)
849                         // that is invalid
850                         pimpl_->defskip = VSpace(VSpace::MEDSKIP);
851         } else if (token == "\\is_math_indent") {
852                 lex >> is_math_indent;
853         } else if (token == "\\math_indentation") {
854                 lex.next();
855                 pimpl_->mathindent = Length(lex.getString());
856         } else if (token == "\\math_number_before") {
857                 string tmp;
858                 lex >> tmp;
859                 if (tmp == "true")
860                         math_number = LEFT;
861                 else if (tmp == "false")
862                         math_number = RIGHT;
863                 else
864                         math_number = DEFAULT;
865         } else if (token == "\\quotes_style") {
866                 string qstyle;
867                 lex >> qstyle;
868                 quotes_style = quotesstyletranslator().find(qstyle);
869         } else if (token == "\\dynamic_quotes") {
870                 lex >> dynamic_quotes;
871         } else if (token == "\\papersize") {
872                 string ppsize;
873                 lex >> ppsize;
874                 papersize = papersizetranslator().find(ppsize);
875         } else if (token == "\\use_geometry") {
876                 lex >> use_geometry;
877         } else if (token == "\\use_package") {
878                 string package;
879                 int use;
880                 lex >> package;
881                 lex >> use;
882                 use_package(package, packagetranslator().find(use));
883         } else if (token == "\\cite_engine") {
884                 lex.eatLine();
885                 vector<string> engine = getVectorFromString(lex.getString());
886                 setCiteEngine(engine);
887         } else if (token == "\\cite_engine_type") {
888                 string engine_type;
889                 lex >> engine_type;
890                 cite_engine_type_ = theCiteEnginesList.getType(engine_type);
891         } else if (token == "\\biblio_style") {
892                 lex.eatLine();
893                 biblio_style = lex.getString();
894         } else if (token == "\\biblio_options") {
895                 lex.eatLine();
896                 biblio_opts = trim(lex.getString());
897         } else if (token == "\\biblatex_bibstyle") {
898                 lex.eatLine();
899                 biblatex_bibstyle = trim(lex.getString());
900         } else if (token == "\\biblatex_citestyle") {
901                 lex.eatLine();
902                 biblatex_citestyle = trim(lex.getString());
903         } else if (token == "\\use_bibtopic") {
904                 lex >> use_bibtopic;
905         } else if (token == "\\multibib") {
906                 lex >> multibib;
907         } else if (token == "\\use_indices") {
908                 lex >> use_indices;
909         } else if (token == "\\tracking_changes") {
910                 lex >> track_changes;
911         } else if (token == "\\output_changes") {
912                 lex >> output_changes;
913         } else if (token == "\\branch") {
914                 lex.eatLine();
915                 docstring branch = lex.getDocString();
916                 branchlist().add(branch);
917                 while (true) {
918                         lex.next();
919                         string const tok = lex.getString();
920                         if (tok == "\\end_branch")
921                                 break;
922                         Branch * branch_ptr = branchlist().find(branch);
923                         if (tok == "\\selected") {
924                                 lex.next();
925                                 if (branch_ptr)
926                                         branch_ptr->setSelected(lex.getInteger());
927                         }
928                         if (tok == "\\filename_suffix") {
929                                 lex.next();
930                                 if (branch_ptr)
931                                         branch_ptr->setFileNameSuffix(lex.getInteger());
932                         }
933                         if (tok == "\\color") {
934                                 lex.eatLine();
935                                 string color = lex.getString();
936                                 if (branch_ptr)
937                                         branch_ptr->setColor(color);
938                                 // Update also the Color table:
939                                 if (color == "none")
940                                         color = lcolor.getX11Name(Color_background);
941                                 // FIXME UNICODE
942                                 lcolor.setColor(to_utf8(branch), color);
943                         }
944                 }
945         } else if (token == "\\index") {
946                 lex.eatLine();
947                 docstring index = lex.getDocString();
948                 docstring shortcut;
949                 indiceslist().add(index);
950                 while (true) {
951                         lex.next();
952                         string const tok = lex.getString();
953                         if (tok == "\\end_index")
954                                 break;
955                         Index * index_ptr = indiceslist().find(index);
956                         if (tok == "\\shortcut") {
957                                 lex.next();
958                                 shortcut = lex.getDocString();
959                                 if (index_ptr)
960                                         index_ptr->setShortcut(shortcut);
961                         }
962                         if (tok == "\\color") {
963                                 lex.eatLine();
964                                 string color = lex.getString();
965                                 if (index_ptr)
966                                         index_ptr->setColor(color);
967                                 // Update also the Color table:
968                                 if (color == "none")
969                                         color = lcolor.getX11Name(Color_background);
970                                 // FIXME UNICODE
971                                 if (!shortcut.empty())
972                                         lcolor.setColor(to_utf8(shortcut), color);
973                         }
974                 }
975         } else if (token == "\\author") {
976                 lex.eatLine();
977                 istringstream ss(lex.getString());
978                 Author a;
979                 ss >> a;
980                 addAuthor(a);
981         } else if (token == "\\paperorientation") {
982                 string orient;
983                 lex >> orient;
984                 orientation = paperorientationtranslator().find(orient);
985         } else if (token == "\\backgroundcolor") {
986                 lex.eatLine();
987                 backgroundcolor = lyx::rgbFromHexName(lex.getString());
988                 isbackgroundcolor = true;
989         } else if (token == "\\fontcolor") {
990                 lex.eatLine();
991                 fontcolor = lyx::rgbFromHexName(lex.getString());
992                 isfontcolor = true;
993         } else if (token == "\\notefontcolor") {
994                 lex.eatLine();
995                 string color = lex.getString();
996                 notefontcolor = lyx::rgbFromHexName(color);
997                 lcolor.setColor("notefontcolor", color);
998         } else if (token == "\\boxbgcolor") {
999                 lex.eatLine();
1000                 string color = lex.getString();
1001                 boxbgcolor = lyx::rgbFromHexName(color);
1002                 lcolor.setColor("boxbgcolor", color);
1003         } else if (token == "\\paperwidth") {
1004                 lex >> paperwidth;
1005         } else if (token == "\\paperheight") {
1006                 lex >> paperheight;
1007         } else if (token == "\\leftmargin") {
1008                 lex >> leftmargin;
1009         } else if (token == "\\topmargin") {
1010                 lex >> topmargin;
1011         } else if (token == "\\rightmargin") {
1012                 lex >> rightmargin;
1013         } else if (token == "\\bottommargin") {
1014                 lex >> bottommargin;
1015         } else if (token == "\\headheight") {
1016                 lex >> headheight;
1017         } else if (token == "\\headsep") {
1018                 lex >> headsep;
1019         } else if (token == "\\footskip") {
1020                 lex >> footskip;
1021         } else if (token == "\\columnsep") {
1022                 lex >> columnsep;
1023         } else if (token == "\\paperfontsize") {
1024                 lex >> fontsize;
1025         } else if (token == "\\papercolumns") {
1026                 lex >> columns;
1027         } else if (token == "\\listings_params") {
1028                 string par;
1029                 lex >> par;
1030                 listings_params = InsetListingsParams(par).params();
1031         } else if (token == "\\papersides") {
1032                 int psides;
1033                 lex >> psides;
1034                 sides = sidestranslator().find(psides);
1035         } else if (token == "\\paperpagestyle") {
1036                 lex >> pagestyle;
1037         } else if (token == "\\bullet") {
1038                 readBullets(lex);
1039         } else if (token == "\\bulletLaTeX") {
1040                 readBulletsLaTeX(lex);
1041         } else if (token == "\\secnumdepth") {
1042                 lex >> secnumdepth;
1043         } else if (token == "\\tocdepth") {
1044                 lex >> tocdepth;
1045         } else if (token == "\\spacing") {
1046                 string nspacing;
1047                 lex >> nspacing;
1048                 string tmp_val;
1049                 if (nspacing == "other") {
1050                         lex >> tmp_val;
1051                 }
1052                 spacing().set(spacetranslator().find(nspacing), tmp_val);
1053         } else if (token == "\\float_placement") {
1054                 lex >> float_placement;
1055
1056         } else if (prefixIs(token, "\\pdf_") || token == "\\use_hyperref") {
1057                 string toktmp = pdfoptions().readToken(lex, token);
1058                 if (!toktmp.empty()) {
1059                         lyxerr << "PDFOptions::readToken(): Unknown token: " <<
1060                                 toktmp << endl;
1061                         return toktmp;
1062                 }
1063         } else if (token == "\\html_math_output") {
1064                 int temp;
1065                 lex >> temp;
1066                 html_math_output = static_cast<MathOutput>(temp);
1067         } else if (token == "\\html_be_strict") {
1068                 lex >> html_be_strict;
1069         } else if (token == "\\html_css_as_file") {
1070                 lex >> html_css_as_file;
1071         } else if (token == "\\html_math_img_scale") {
1072                 lex >> html_math_img_scale;
1073         } else if (token == "\\html_latex_start") {
1074                 lex.eatLine();
1075                 html_latex_start = lex.getString();
1076         } else if (token == "\\html_latex_end") {
1077                 lex.eatLine();
1078                 html_latex_end = lex.getString();
1079         } else if (token == "\\output_sync") {
1080                 lex >> output_sync;
1081         } else if (token == "\\output_sync_macro") {
1082                 lex >> output_sync_macro;
1083         } else if (token == "\\use_refstyle") {
1084                 lex >> use_refstyle;
1085         } else {
1086                 lyxerr << "BufferParams::readToken(): Unknown token: " <<
1087                         token << endl;
1088                 return token;
1089         }
1090
1091         return result;
1092 }
1093
1094
1095 namespace {
1096         // Quote argument if it contains spaces
1097         string quoteIfNeeded(string const & str) {
1098                 if (contains(str, ' '))
1099                         return "\"" + str + "\"";
1100                 return str;
1101         }
1102 }
1103
1104
1105 void BufferParams::writeFile(ostream & os, Buffer const * buf) const
1106 {
1107         // The top of the file is written by the buffer.
1108         // Prints out the buffer info into the .lyx file given by file
1109
1110         os << "\\save_transient_properties "
1111            << convert<string>(save_transient_properties) << '\n';
1112
1113         // the document directory (must end with a path separator)
1114         // realPath() is used to resolve symlinks, while addPath(..., "")
1115         // ensures a trailing path separator.
1116         string docsys;
1117         string filepath = addPath(buf->fileName().onlyPath().realPath(), "");
1118         string const sysdir = inSystemDir(FileName(filepath), docsys) ? docsys
1119                         : addPath(package().system_support().realPath(), "");
1120         string const relpath =
1121                 to_utf8(makeRelPath(from_utf8(filepath), from_utf8(sysdir)));
1122         if (!prefixIs(relpath, "../") && !FileName::isAbsolute(relpath))
1123                 filepath = addPath("/systemlyxdir", relpath);
1124         else if (!save_transient_properties || !lyxrc.save_origin)
1125                 filepath = "unavailable";
1126         os << "\\origin " << quoteIfNeeded(filepath) << '\n';
1127
1128         // the textclass
1129         os << "\\textclass "
1130            << quoteIfNeeded(buf->includedFilePath(addName(buf->layoutPos(),
1131                                                 baseClass()->name()), "layout"))
1132            << '\n';
1133
1134         // then the preamble
1135         if (!preamble.empty()) {
1136                 // remove '\n' from the end of preamble
1137                 docstring const tmppreamble = rtrim(preamble, "\n");
1138                 os << "\\begin_preamble\n"
1139                    << to_utf8(tmppreamble)
1140                    << "\n\\end_preamble\n";
1141         }
1142
1143         // the options
1144         if (!options.empty()) {
1145                 os << "\\options " << options << '\n';
1146         }
1147
1148         // use the class options defined in the layout?
1149         os << "\\use_default_options "
1150            << convert<string>(use_default_options) << "\n";
1151
1152         // the master document
1153         if (!master.empty()) {
1154                 os << "\\master " << master << '\n';
1155         }
1156
1157         // removed modules
1158         if (!removed_modules_.empty()) {
1159                 os << "\\begin_removed_modules" << '\n';
1160                 list<string>::const_iterator it = removed_modules_.begin();
1161                 list<string>::const_iterator en = removed_modules_.end();
1162                 for (; it != en; ++it)
1163                         os << *it << '\n';
1164                 os << "\\end_removed_modules" << '\n';
1165         }
1166
1167         // the modules
1168         if (!layout_modules_.empty()) {
1169                 os << "\\begin_modules" << '\n';
1170                 LayoutModuleList::const_iterator it = layout_modules_.begin();
1171                 LayoutModuleList::const_iterator en = layout_modules_.end();
1172                 for (; it != en; ++it)
1173                         os << *it << '\n';
1174                 os << "\\end_modules" << '\n';
1175         }
1176
1177         // includeonly
1178         if (!included_children_.empty()) {
1179                 os << "\\begin_includeonly" << '\n';
1180                 list<string>::const_iterator it = included_children_.begin();
1181                 list<string>::const_iterator en = included_children_.end();
1182                 for (; it != en; ++it)
1183                         os << *it << '\n';
1184                 os << "\\end_includeonly" << '\n';
1185         }
1186         os << "\\maintain_unincluded_children "
1187            << convert<string>(maintain_unincluded_children) << '\n';
1188
1189         // local layout information
1190         docstring const local_layout = getLocalLayout(false);
1191         if (!local_layout.empty()) {
1192                 // remove '\n' from the end
1193                 docstring const tmplocal = rtrim(local_layout, "\n");
1194                 os << "\\begin_local_layout\n"
1195                    << to_utf8(tmplocal)
1196                    << "\n\\end_local_layout\n";
1197         }
1198         docstring const forced_local_layout = getLocalLayout(true);
1199         if (!forced_local_layout.empty()) {
1200                 // remove '\n' from the end
1201                 docstring const tmplocal = rtrim(forced_local_layout, "\n");
1202                 os << "\\begin_forced_local_layout\n"
1203                    << to_utf8(tmplocal)
1204                    << "\n\\end_forced_local_layout\n";
1205         }
1206
1207         // then the text parameters
1208         if (language != ignore_language)
1209                 os << "\\language " << language->lang() << '\n';
1210         os << "\\language_package " << lang_package
1211            << "\n\\inputencoding " << inputenc
1212            << "\n\\fontencoding " << fontenc
1213            << "\n\\font_roman \"" << fonts_roman[0]
1214            << "\" \"" << fonts_roman[1] << '"'
1215            << "\n\\font_sans \"" << fonts_sans[0]
1216            << "\" \"" << fonts_sans[1] << '"'
1217            << "\n\\font_typewriter \"" << fonts_typewriter[0]
1218            << "\" \"" << fonts_typewriter[1] << '"'
1219            << "\n\\font_math \"" << fonts_math[0]
1220            << "\" \"" << fonts_math[1] << '"'
1221            << "\n\\font_default_family " << fonts_default_family
1222            << "\n\\use_non_tex_fonts " << convert<string>(useNonTeXFonts)
1223            << "\n\\font_sc " << convert<string>(fonts_expert_sc)
1224            << "\n\\font_osf " << convert<string>(fonts_old_figures)
1225            << "\n\\font_sf_scale " << fonts_sans_scale[0]
1226            << ' ' << fonts_sans_scale[1]
1227            << "\n\\font_tt_scale " << fonts_typewriter_scale[0]
1228            << ' ' << fonts_typewriter_scale[1]
1229            << '\n';
1230         if (!fonts_cjk.empty()) {
1231                 os << "\\font_cjk " << fonts_cjk << '\n';
1232         }
1233         os << "\\use_microtype " << convert<string>(use_microtype) << '\n';
1234         os << "\\use_dash_ligatures " << convert<string>(use_dash_ligatures) << '\n';
1235         os << "\\graphics " << graphics_driver << '\n';
1236         os << "\\default_output_format " << default_output_format << '\n';
1237         os << "\\output_sync " << output_sync << '\n';
1238         if (!output_sync_macro.empty())
1239                 os << "\\output_sync_macro \"" << output_sync_macro << "\"\n";
1240         os << "\\bibtex_command " << bibtex_command << '\n';
1241         os << "\\index_command " << index_command << '\n';
1242
1243         if (!float_placement.empty()) {
1244                 os << "\\float_placement " << float_placement << '\n';
1245         }
1246         os << "\\paperfontsize " << fontsize << '\n';
1247
1248         spacing().writeFile(os);
1249         pdfoptions().writeFile(os);
1250
1251         os << "\\papersize " << string_papersize[papersize]
1252            << "\n\\use_geometry " << convert<string>(use_geometry);
1253         map<string, string> const & packages = auto_packages();
1254         for (map<string, string>::const_iterator it = packages.begin();
1255              it != packages.end(); ++it)
1256                 os << "\n\\use_package " << it->first << ' '
1257                    << use_package(it->first);
1258
1259         os << "\n\\cite_engine ";
1260
1261         if (!cite_engine_.empty()) {
1262                 LayoutModuleList::const_iterator be = cite_engine_.begin();
1263                 LayoutModuleList::const_iterator en = cite_engine_.end();
1264                 for (LayoutModuleList::const_iterator it = be; it != en; ++it) {
1265                         if (it != be)
1266                                 os << ',';
1267                         os << *it;
1268                 }
1269         } else {
1270                 os << "basic";
1271         }
1272
1273         os << "\n\\cite_engine_type " << theCiteEnginesList.getTypeAsString(cite_engine_type_);
1274
1275         if (!biblio_style.empty())
1276                 os << "\n\\biblio_style " << biblio_style;
1277         if (!biblio_opts.empty())
1278                 os << "\n\\biblio_options " << biblio_opts;
1279         if (!biblatex_bibstyle.empty())
1280                 os << "\n\\biblatex_bibstyle " << biblatex_bibstyle;
1281         if (!biblatex_citestyle.empty())
1282                 os << "\n\\biblatex_citestyle " << biblatex_citestyle;
1283         if (!multibib.empty())
1284                 os << "\n\\multibib " << multibib;
1285
1286         os << "\n\\use_bibtopic " << convert<string>(use_bibtopic)
1287            << "\n\\use_indices " << convert<string>(use_indices)
1288            << "\n\\paperorientation " << string_orientation[orientation]
1289            << "\n\\suppress_date " << convert<string>(suppress_date)
1290            << "\n\\justification " << convert<string>(justification)
1291            << "\n\\use_refstyle " << use_refstyle
1292            << '\n';
1293         if (isbackgroundcolor == true)
1294                 os << "\\backgroundcolor " << lyx::X11hexname(backgroundcolor) << '\n';
1295         if (isfontcolor == true)
1296                 os << "\\fontcolor " << lyx::X11hexname(fontcolor) << '\n';
1297         if (notefontcolor != lyx::rgbFromHexName("#cccccc"))
1298                 os << "\\notefontcolor " << lyx::X11hexname(notefontcolor) << '\n';
1299         if (boxbgcolor != lyx::rgbFromHexName("#ff0000"))
1300                 os << "\\boxbgcolor " << lyx::X11hexname(boxbgcolor) << '\n';
1301
1302         BranchList::const_iterator it = branchlist().begin();
1303         BranchList::const_iterator end = branchlist().end();
1304         for (; it != end; ++it) {
1305                 os << "\\branch " << to_utf8(it->branch())
1306                    << "\n\\selected " << it->isSelected()
1307                    << "\n\\filename_suffix " << it->hasFileNameSuffix()
1308                    << "\n\\color " << lyx::X11hexname(it->color())
1309                    << "\n\\end_branch"
1310                    << "\n";
1311         }
1312
1313         IndicesList::const_iterator iit = indiceslist().begin();
1314         IndicesList::const_iterator iend = indiceslist().end();
1315         for (; iit != iend; ++iit) {
1316                 os << "\\index " << to_utf8(iit->index())
1317                    << "\n\\shortcut " << to_utf8(iit->shortcut())
1318                    << "\n\\color " << lyx::X11hexname(iit->color())
1319                    << "\n\\end_index"
1320                    << "\n";
1321         }
1322
1323         if (!paperwidth.empty())
1324                 os << "\\paperwidth "
1325                    << VSpace(paperwidth).asLyXCommand() << '\n';
1326         if (!paperheight.empty())
1327                 os << "\\paperheight "
1328                    << VSpace(paperheight).asLyXCommand() << '\n';
1329         if (!leftmargin.empty())
1330                 os << "\\leftmargin "
1331                    << VSpace(leftmargin).asLyXCommand() << '\n';
1332         if (!topmargin.empty())
1333                 os << "\\topmargin "
1334                    << VSpace(topmargin).asLyXCommand() << '\n';
1335         if (!rightmargin.empty())
1336                 os << "\\rightmargin "
1337                    << VSpace(rightmargin).asLyXCommand() << '\n';
1338         if (!bottommargin.empty())
1339                 os << "\\bottommargin "
1340                    << VSpace(bottommargin).asLyXCommand() << '\n';
1341         if (!headheight.empty())
1342                 os << "\\headheight "
1343                    << VSpace(headheight).asLyXCommand() << '\n';
1344         if (!headsep.empty())
1345                 os << "\\headsep "
1346                    << VSpace(headsep).asLyXCommand() << '\n';
1347         if (!footskip.empty())
1348                 os << "\\footskip "
1349                    << VSpace(footskip).asLyXCommand() << '\n';
1350         if (!columnsep.empty())
1351                 os << "\\columnsep "
1352                          << VSpace(columnsep).asLyXCommand() << '\n';
1353         os << "\\secnumdepth " << secnumdepth
1354            << "\n\\tocdepth " << tocdepth
1355            << "\n\\paragraph_separation "
1356            << string_paragraph_separation[paragraph_separation];
1357         if (!paragraph_separation)
1358                 os << "\n\\paragraph_indentation "
1359                    << (getParIndent().empty() ? "default" : getParIndent().asString());
1360         else
1361                 os << "\n\\defskip " << getDefSkip().asLyXCommand();
1362         os << "\n\\is_math_indent " << is_math_indent;
1363         if (is_math_indent && !getMathIndent().empty())
1364                 os << "\n\\math_indentation " << getMathIndent().asString();
1365         os << "\n\\math_number_before ";
1366         switch(math_number) {
1367         case LEFT:
1368                 os << "true";
1369                 break;
1370         case RIGHT:
1371                 os << "false";
1372                 break;
1373         case DEFAULT:
1374                 os << "default";
1375         }
1376         os << "\n\\quotes_style "
1377            << string_quotes_style[quotes_style]
1378            << "\n\\dynamic_quotes " << dynamic_quotes
1379            << "\n\\papercolumns " << columns
1380            << "\n\\papersides " << sides
1381            << "\n\\paperpagestyle " << pagestyle << '\n';
1382         if (!listings_params.empty())
1383                 os << "\\listings_params \"" <<
1384                         InsetListingsParams(listings_params).encodedString() << "\"\n";
1385         for (int i = 0; i < 4; ++i) {
1386                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1387                         if (user_defined_bullet(i).getFont() != -1) {
1388                                 os << "\\bullet " << i << " "
1389                                    << user_defined_bullet(i).getFont() << " "
1390                                    << user_defined_bullet(i).getCharacter() << " "
1391                                    << user_defined_bullet(i).getSize() << "\n";
1392                         }
1393                         else {
1394                                 // FIXME UNICODE
1395                                 os << "\\bulletLaTeX " << i << " \""
1396                                    << lyx::to_ascii(user_defined_bullet(i).getText())
1397                                    << "\"\n";
1398                         }
1399                 }
1400         }
1401
1402         os << "\\tracking_changes "
1403            << (save_transient_properties ? convert<string>(track_changes) : "false")
1404            << '\n';
1405
1406         os << "\\output_changes "
1407            << (save_transient_properties ? convert<string>(output_changes) : "false")
1408            << '\n';
1409
1410         os << "\\html_math_output " << html_math_output << '\n'
1411            << "\\html_css_as_file " << html_css_as_file << '\n'
1412            << "\\html_be_strict " << convert<string>(html_be_strict) << '\n';
1413
1414         if (html_math_img_scale != 1.0)
1415                 os << "\\html_math_img_scale " << convert<string>(html_math_img_scale) << '\n';
1416         if (!html_latex_start.empty())
1417                 os << "\\html_latex_start " << html_latex_start << '\n';
1418         if (!html_latex_end.empty())
1419                  os << "\\html_latex_end " << html_latex_end << '\n';
1420
1421         os << pimpl_->authorlist;
1422 }
1423
1424
1425 void BufferParams::validate(LaTeXFeatures & features) const
1426 {
1427         features.require(documentClass().requires());
1428
1429         if (columns > 1 && language->rightToLeft())
1430                 features.require("rtloutputdblcol");
1431
1432         if (output_changes) {
1433                 bool dvipost    = LaTeXFeatures::isAvailable("dvipost");
1434                 bool xcolorulem = LaTeXFeatures::isAvailable("ulem") &&
1435                                   LaTeXFeatures::isAvailable("xcolor");
1436
1437                 switch (features.runparams().flavor) {
1438                 case OutputParams::LATEX:
1439                 case OutputParams::DVILUATEX:
1440                         if (dvipost) {
1441                                 features.require("ct-dvipost");
1442                                 features.require("dvipost");
1443                         } else if (xcolorulem) {
1444                                 features.require("ct-xcolor-ulem");
1445                                 features.require("ulem");
1446                                 features.require("xcolor");
1447                         } else {
1448                                 features.require("ct-none");
1449                         }
1450                         break;
1451                 case OutputParams::LUATEX:
1452                 case OutputParams::PDFLATEX:
1453                 case OutputParams::XETEX:
1454                         if (xcolorulem) {
1455                                 features.require("ct-xcolor-ulem");
1456                                 features.require("ulem");
1457                                 features.require("xcolor");
1458                                 // improves color handling in PDF output
1459                                 features.require("pdfcolmk");
1460                         } else {
1461                                 features.require("ct-none");
1462                         }
1463                         break;
1464                 default:
1465                         break;
1466                 }
1467         }
1468
1469         // Floats with 'Here definitely' as default setting.
1470         if (float_placement.find('H') != string::npos)
1471                 features.require("float");
1472
1473         for (PackageMap::const_iterator it = use_packages.begin();
1474              it != use_packages.end(); ++it) {
1475                 if (it->first == "amsmath") {
1476                         // AMS Style is at document level
1477                         if (it->second == package_on ||
1478                             features.isProvided("amsmath"))
1479                                 features.require(it->first);
1480                 } else if (it->second == package_on)
1481                         features.require(it->first);
1482         }
1483
1484         // Document-level line spacing
1485         if (spacing().getSpace() != Spacing::Single && !spacing().isDefault())
1486                 features.require("setspace");
1487
1488         // the bullet shapes are buffer level not paragraph level
1489         // so they are tested here
1490         for (int i = 0; i < 4; ++i) {
1491                 if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i])
1492                         continue;
1493                 int const font = user_defined_bullet(i).getFont();
1494                 if (font == 0) {
1495                         int const c = user_defined_bullet(i).getCharacter();
1496                         if (c == 16
1497                             || c == 17
1498                             || c == 25
1499                             || c == 26
1500                             || c == 31) {
1501                                 features.require("latexsym");
1502                         }
1503                 } else if (font == 1) {
1504                         features.require("amssymb");
1505                 } else if (font >= 2 && font <= 5) {
1506                         features.require("pifont");
1507                 }
1508         }
1509
1510         if (pdfoptions().use_hyperref) {
1511                 features.require("hyperref");
1512                 // due to interferences with babel and hyperref, the color package has to
1513                 // be loaded after hyperref when hyperref is used with the colorlinks
1514                 // option, see http://www.lyx.org/trac/ticket/5291
1515                 if (pdfoptions().colorlinks)
1516                         features.require("color");
1517         }
1518         if (!listings_params.empty()) {
1519                 // do not test validity because listings_params is
1520                 // supposed to be valid
1521                 string par =
1522                         InsetListingsParams(listings_params).separatedParams(true);
1523                 // we can't support all packages, but we should load the color package
1524                 if (par.find("\\color", 0) != string::npos)
1525                         features.require("color");
1526         }
1527
1528         // some languages are only available via polyglossia
1529         if (features.hasPolyglossiaExclusiveLanguages())
1530                 features.require("polyglossia");
1531
1532         if (useNonTeXFonts && fontsMath() != "auto")
1533                 features.require("unicode-math");
1534         
1535         if (use_microtype)
1536                 features.require("microtype");
1537
1538         if (!language->requires().empty())
1539                 features.require(language->requires());
1540 }
1541
1542
1543 bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
1544                               FileName const & filepath) const
1545 {
1546         // http://www.tug.org/texmf-dist/doc/latex/base/fixltx2e.pdf
1547         // !! To use the Fix-cm package, load it before \documentclass, and use the command
1548         // \RequirePackage to do so, rather than the normal \usepackage
1549         // Do not try to load any other package before the document class, unless you
1550         // have a thorough understanding of the LATEX internals and know exactly what you
1551         // are doing!
1552         if (features.mustProvide("fix-cm"))
1553                 os << "\\RequirePackage{fix-cm}\n";
1554         // Likewise for fixltx2e. If other packages conflict with this policy,
1555         // treat it as a package bug (and report it!)
1556         // See http://www.latex-project.org/cgi-bin/ltxbugs2html?pr=latex/4407
1557         if (features.mustProvide("fixltx2e"))
1558                 os << "\\RequirePackage{fixltx2e}\n";
1559
1560         os << "\\documentclass";
1561
1562         DocumentClass const & tclass = documentClass();
1563
1564         ostringstream clsoptions; // the document class options.
1565
1566         if (tokenPos(tclass.opt_fontsize(),
1567                      '|', fontsize) >= 0) {
1568                 // only write if existing in list (and not default)
1569                 clsoptions << fontsize << "pt,";
1570         }
1571
1572         // all paper sizes except of A4, A5, B5 and the US sizes need the
1573         // geometry package
1574         bool nonstandard_papersize = papersize != PAPER_DEFAULT
1575                 && papersize != PAPER_USLETTER
1576                 && papersize != PAPER_USLEGAL
1577                 && papersize != PAPER_USEXECUTIVE
1578                 && papersize != PAPER_A4
1579                 && papersize != PAPER_A5
1580                 && papersize != PAPER_B5;
1581
1582         if (!use_geometry) {
1583                 switch (papersize) {
1584                 case PAPER_A4:
1585                         clsoptions << "a4paper,";
1586                         break;
1587                 case PAPER_USLETTER:
1588                         clsoptions << "letterpaper,";
1589                         break;
1590                 case PAPER_A5:
1591                         clsoptions << "a5paper,";
1592                         break;
1593                 case PAPER_B5:
1594                         clsoptions << "b5paper,";
1595                         break;
1596                 case PAPER_USEXECUTIVE:
1597                         clsoptions << "executivepaper,";
1598                         break;
1599                 case PAPER_USLEGAL:
1600                         clsoptions << "legalpaper,";
1601                         break;
1602                 case PAPER_DEFAULT:
1603                 case PAPER_A0:
1604                 case PAPER_A1:
1605                 case PAPER_A2:
1606                 case PAPER_A3:
1607                 case PAPER_A6:
1608                 case PAPER_B0:
1609                 case PAPER_B1:
1610                 case PAPER_B2:
1611                 case PAPER_B3:
1612                 case PAPER_B4:
1613                 case PAPER_B6:
1614                 case PAPER_C0:
1615                 case PAPER_C1:
1616                 case PAPER_C2:
1617                 case PAPER_C3:
1618                 case PAPER_C4:
1619                 case PAPER_C5:
1620                 case PAPER_C6:
1621                 case PAPER_JISB0:
1622                 case PAPER_JISB1:
1623                 case PAPER_JISB2:
1624                 case PAPER_JISB3:
1625                 case PAPER_JISB4:
1626                 case PAPER_JISB5:
1627                 case PAPER_JISB6:
1628                 case PAPER_CUSTOM:
1629                         break;
1630                 }
1631         }
1632
1633         // if needed
1634         if (sides != tclass.sides()) {
1635                 switch (sides) {
1636                 case OneSide:
1637                         clsoptions << "oneside,";
1638                         break;
1639                 case TwoSides:
1640                         clsoptions << "twoside,";
1641                         break;
1642                 }
1643         }
1644
1645         // if needed
1646         if (columns != tclass.columns()) {
1647                 if (columns == 2)
1648                         clsoptions << "twocolumn,";
1649                 else
1650                         clsoptions << "onecolumn,";
1651         }
1652
1653         if (!use_geometry
1654             && orientation == ORIENTATION_LANDSCAPE)
1655                 clsoptions << "landscape,";
1656
1657         if (is_math_indent)
1658                 clsoptions << "fleqn,";
1659
1660         switch(math_number) {
1661         case LEFT:
1662                 clsoptions << "leqno,";
1663                 break;
1664         case RIGHT:
1665                 clsoptions << "reqno,";
1666                 features.require("amsmath");
1667                 break;
1668         case DEFAULT:
1669                 break;
1670         }
1671
1672         // language should be a parameter to \documentclass
1673         if (language->babel() == "hebrew"
1674             && default_language->babel() != "hebrew")
1675                 // This seems necessary
1676                 features.useLanguage(default_language);
1677
1678         ostringstream language_options;
1679         bool const use_babel = features.useBabel() && !features.isProvided("babel");
1680         bool const use_polyglossia = features.usePolyglossia();
1681         bool const global = lyxrc.language_global_options;
1682         if (use_babel || (use_polyglossia && global)) {
1683                 language_options << features.getBabelLanguages();
1684                 if (!language->babel().empty()) {
1685                         if (!language_options.str().empty())
1686                                 language_options << ',';
1687                         language_options << language->babel();
1688                 }
1689                 if (global && !features.needBabelLangOptions()
1690                     && !language_options.str().empty())
1691                         clsoptions << language_options.str() << ',';
1692         }
1693
1694         // the predefined options from the layout
1695         if (use_default_options && !tclass.options().empty())
1696                 clsoptions << tclass.options() << ',';
1697
1698         // the user-defined options
1699         if (!options.empty()) {
1700                 clsoptions << options << ',';
1701         }
1702
1703         string strOptions(clsoptions.str());
1704         if (!strOptions.empty()) {
1705                 strOptions = rtrim(strOptions, ",");
1706                 // FIXME UNICODE
1707                 os << '[' << from_utf8(strOptions) << ']';
1708         }
1709
1710         os << '{' << from_ascii(tclass.latexname()) << "}\n";
1711         // end of \documentclass defs
1712
1713         // if we use fontspec or newtxmath, we have to load the AMS packages here
1714         string const ams = features.loadAMSPackages();
1715         bool const ot1 = (main_font_encoding() == "default" || main_font_encoding() == "OT1");
1716         bool const use_newtxmath =
1717                 theLaTeXFonts().getLaTeXFont(from_ascii(fontsMath())).getUsedPackage(
1718                         ot1, false, false) == "newtxmath";
1719         if ((useNonTeXFonts || use_newtxmath) && !ams.empty())
1720                 os << from_ascii(ams);
1721
1722         if (useNonTeXFonts) {
1723                 if (!features.isProvided("fontspec"))
1724                         os << "\\usepackage{fontspec}\n";
1725                 if (features.mustProvide("unicode-math")
1726                     && features.isAvailable("unicode-math"))
1727                         os << "\\usepackage{unicode-math}\n";
1728         }
1729
1730         // font selection must be done before loading fontenc.sty
1731         string const fonts = loadFonts(features);
1732         if (!fonts.empty())
1733                 os << from_utf8(fonts);
1734
1735         if (fonts_default_family != "default")
1736                 os << "\\renewcommand{\\familydefault}{\\"
1737                    << from_ascii(fonts_default_family) << "}\n";
1738
1739         // set font encoding
1740         // XeTeX and LuaTeX (with OS fonts) do not need fontenc
1741         if (!useNonTeXFonts && !features.isProvided("fontenc")
1742             && main_font_encoding() != "default") {
1743                 // get main font encodings
1744                 vector<string> fontencs = font_encodings();
1745                 // get font encodings of secondary languages
1746                 features.getFontEncodings(fontencs);
1747                 if (!fontencs.empty()) {
1748                         os << "\\usepackage["
1749                            << from_ascii(getStringFromVector(fontencs))
1750                            << "]{fontenc}\n";
1751                 }
1752         }
1753
1754         // handle inputenc etc.
1755         writeEncodingPreamble(os, features);
1756
1757         // includeonly
1758         if (!features.runparams().includeall && !included_children_.empty()) {
1759                 os << "\\includeonly{";
1760                 list<string>::const_iterator it = included_children_.begin();
1761                 list<string>::const_iterator en = included_children_.end();
1762                 bool first = true;
1763                 for (; it != en; ++it) {
1764                         string incfile = *it;
1765                         FileName inc = makeAbsPath(incfile, filepath.absFileName());
1766                         string mangled = DocFileName(changeExtension(inc.absFileName(), ".tex")).
1767                         mangledFileName();
1768                         if (!features.runparams().nice)
1769                                 incfile = mangled;
1770                         // \includeonly doesn't want an extension
1771                         incfile = changeExtension(incfile, string());
1772                         incfile = support::latex_path(incfile);
1773                         if (!incfile.empty()) {
1774                                 if (!first)
1775                                         os << ",";
1776                                 os << from_utf8(incfile);
1777                         }
1778                         first = false;
1779                 }
1780                 os << "}\n";
1781         }
1782
1783         if (!features.isProvided("geometry")
1784             && (use_geometry || nonstandard_papersize)) {
1785                 odocstringstream ods;
1786                 if (!getGraphicsDriver("geometry").empty())
1787                         ods << getGraphicsDriver("geometry");
1788                 if (orientation == ORIENTATION_LANDSCAPE)
1789                         ods << ",landscape";
1790                 switch (papersize) {
1791                 case PAPER_CUSTOM:
1792                         if (!paperwidth.empty())
1793                                 ods << ",paperwidth="
1794                                    << from_ascii(paperwidth);
1795                         if (!paperheight.empty())
1796                                 ods << ",paperheight="
1797                                    << from_ascii(paperheight);
1798                         break;
1799                 case PAPER_USLETTER:
1800                         ods << ",letterpaper";
1801                         break;
1802                 case PAPER_USLEGAL:
1803                         ods << ",legalpaper";
1804                         break;
1805                 case PAPER_USEXECUTIVE:
1806                         ods << ",executivepaper";
1807                         break;
1808                 case PAPER_A0:
1809                         ods << ",a0paper";
1810                         break;
1811                 case PAPER_A1:
1812                         ods << ",a1paper";
1813                         break;
1814                 case PAPER_A2:
1815                         ods << ",a2paper";
1816                         break;
1817                 case PAPER_A3:
1818                         ods << ",a3paper";
1819                         break;
1820                 case PAPER_A4:
1821                         ods << ",a4paper";
1822                         break;
1823                 case PAPER_A5:
1824                         ods << ",a5paper";
1825                         break;
1826                 case PAPER_A6:
1827                         ods << ",a6paper";
1828                         break;
1829                 case PAPER_B0:
1830                         ods << ",b0paper";
1831                         break;
1832                 case PAPER_B1:
1833                         ods << ",b1paper";
1834                         break;
1835                 case PAPER_B2:
1836                         ods << ",b2paper";
1837                         break;
1838                 case PAPER_B3:
1839                         ods << ",b3paper";
1840                         break;
1841                 case PAPER_B4:
1842                         ods << ",b4paper";
1843                         break;
1844                 case PAPER_B5:
1845                         ods << ",b5paper";
1846                         break;
1847                 case PAPER_B6:
1848                         ods << ",b6paper";
1849                         break;
1850                 case PAPER_C0:
1851                         ods << ",c0paper";
1852                         break;
1853                 case PAPER_C1:
1854                         ods << ",c1paper";
1855                         break;
1856                 case PAPER_C2:
1857                         ods << ",c2paper";
1858                         break;
1859                 case PAPER_C3:
1860                         ods << ",c3paper";
1861                         break;
1862                 case PAPER_C4:
1863                         ods << ",c4paper";
1864                         break;
1865                 case PAPER_C5:
1866                         ods << ",c5paper";
1867                         break;
1868                 case PAPER_C6:
1869                         ods << ",c6paper";
1870                         break;
1871                 case PAPER_JISB0:
1872                         ods << ",b0j";
1873                         break;
1874                 case PAPER_JISB1:
1875                         ods << ",b1j";
1876                         break;
1877                 case PAPER_JISB2:
1878                         ods << ",b2j";
1879                         break;
1880                 case PAPER_JISB3:
1881                         ods << ",b3j";
1882                         break;
1883                 case PAPER_JISB4:
1884                         ods << ",b4j";
1885                         break;
1886                 case PAPER_JISB5:
1887                         ods << ",b5j";
1888                         break;
1889                 case PAPER_JISB6:
1890                         ods << ",b6j";
1891                         break;
1892                 case PAPER_DEFAULT:
1893                         break;
1894                 }
1895                 docstring const g_options = trim(ods.str(), ",");
1896                 os << "\\usepackage";
1897                 if (!g_options.empty())
1898                         os << '[' << g_options << ']';
1899                 os << "{geometry}\n";
1900                 // output this only if use_geometry is true
1901                 if (use_geometry) {
1902                         os << "\\geometry{verbose";
1903                         if (!topmargin.empty())
1904                                 os << ",tmargin=" << from_ascii(Length(topmargin).asLatexString());
1905                         if (!bottommargin.empty())
1906                                 os << ",bmargin=" << from_ascii(Length(bottommargin).asLatexString());
1907                         if (!leftmargin.empty())
1908                                 os << ",lmargin=" << from_ascii(Length(leftmargin).asLatexString());
1909                         if (!rightmargin.empty())
1910                                 os << ",rmargin=" << from_ascii(Length(rightmargin).asLatexString());
1911                         if (!headheight.empty())
1912                                 os << ",headheight=" << from_ascii(Length(headheight).asLatexString());
1913                         if (!headsep.empty())
1914                                 os << ",headsep=" << from_ascii(Length(headsep).asLatexString());
1915                         if (!footskip.empty())
1916                                 os << ",footskip=" << from_ascii(Length(footskip).asLatexString());
1917                         if (!columnsep.empty())
1918                                 os << ",columnsep=" << from_ascii(Length(columnsep).asLatexString());
1919                         os << "}\n";
1920                 }
1921         } else if (orientation == ORIENTATION_LANDSCAPE
1922                    || papersize != PAPER_DEFAULT) {
1923                 features.require("papersize");
1924         }
1925
1926         if (tokenPos(tclass.opt_pagestyle(), '|', pagestyle) >= 0) {
1927                 if (pagestyle == "fancy")
1928                         os << "\\usepackage{fancyhdr}\n";
1929                 os << "\\pagestyle{" << from_ascii(pagestyle) << "}\n";
1930         }
1931
1932         // only output when the background color is not default
1933         if (isbackgroundcolor == true) {
1934                 // only require color here, the background color will be defined
1935                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1936                 // package pdfpages
1937                 features.require("color");
1938                 features.require("pagecolor");
1939         }
1940
1941         // only output when the font color is not default
1942         if (isfontcolor == true) {
1943                 // only require color here, the font color will be defined
1944                 // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
1945                 // package pdfpages
1946                 features.require("color");
1947                 features.require("fontcolor");
1948         }
1949
1950         // Only if class has a ToC hierarchy
1951         if (tclass.hasTocLevels()) {
1952                 if (secnumdepth != tclass.secnumdepth()) {
1953                         os << "\\setcounter{secnumdepth}{"
1954                            << secnumdepth
1955                            << "}\n";
1956                 }
1957                 if (tocdepth != tclass.tocdepth()) {
1958                         os << "\\setcounter{tocdepth}{"
1959                            << tocdepth
1960                            << "}\n";
1961                 }
1962         }
1963
1964         if (paragraph_separation) {
1965                 // when skip separation
1966                 switch (getDefSkip().kind()) {
1967                 case VSpace::SMALLSKIP:
1968                         os << "\\setlength{\\parskip}{\\smallskipamount}\n";
1969                         break;
1970                 case VSpace::MEDSKIP:
1971                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1972                         break;
1973                 case VSpace::BIGSKIP:
1974                         os << "\\setlength{\\parskip}{\\bigskipamount}\n";
1975                         break;
1976                 case VSpace::LENGTH:
1977                         os << "\\setlength{\\parskip}{"
1978                            << from_utf8(getDefSkip().length().asLatexString())
1979                            << "}\n";
1980                         break;
1981                 default: // should never happen // Then delete it.
1982                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1983                         break;
1984                 }
1985                 os << "\\setlength{\\parindent}{0pt}\n";
1986         } else {
1987                 // when separation by indentation
1988                 // only output something when a width is given
1989                 if (!getParIndent().empty()) {
1990                         os << "\\setlength{\\parindent}{"
1991                            << from_utf8(getParIndent().asLatexString())
1992                            << "}\n";
1993                 }
1994         }
1995
1996         if (is_math_indent) {
1997                 // when formula indentation
1998                 // only output something when it is not the default
1999                 if (!getMathIndent().empty()) {
2000                         os << "\\setlength{\\mathindent}{"
2001                            << from_utf8(getMathIndent().asString())
2002                            << "}\n";
2003                 }
2004         }
2005
2006         // Now insert the LyX specific LaTeX commands...
2007         features.resolveAlternatives();
2008         features.expandMultiples();
2009
2010         if (output_sync) {
2011                 if (!output_sync_macro.empty())
2012                         os << from_utf8(output_sync_macro) +"\n";
2013                 else if (features.runparams().flavor == OutputParams::LATEX)
2014                         os << "\\usepackage[active]{srcltx}\n";
2015                 else if (features.runparams().flavor == OutputParams::PDFLATEX)
2016                         os << "\\synctex=-1\n";
2017         }
2018
2019         // The package options (via \PassOptionsToPackage)
2020         os << from_ascii(features.getPackageOptions());
2021
2022         // due to interferences with babel and hyperref, the color package has to
2023         // be loaded (when it is not already loaded) before babel when hyperref
2024         // is used with the colorlinks option, see
2025         // http://www.lyx.org/trac/ticket/5291
2026         // we decided therefore to load color always before babel, see
2027         // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg144349.html
2028         os << from_ascii(features.getColorOptions());
2029
2030         // If we use hyperref, jurabib, japanese, varioref or vietnamese,
2031         // we have to call babel before
2032         if (use_babel
2033             && (features.isRequired("jurabib")
2034                 || features.isRequired("hyperref")
2035                 || features.isRequired("varioref")
2036                 || features.isRequired("vietnamese")
2037                 || features.isRequired("japanese"))) {
2038                         os << features.getBabelPresettings();
2039                         // FIXME UNICODE
2040                         os << from_utf8(babelCall(language_options.str(),
2041                                                   features.needBabelLangOptions())) + '\n';
2042                         os << features.getBabelPostsettings();
2043         }
2044
2045         // The optional packages;
2046         os << from_ascii(features.getPackages());
2047
2048         // Additional Indices
2049         if (features.isRequired("splitidx")) {
2050                 IndicesList::const_iterator iit = indiceslist().begin();
2051                 IndicesList::const_iterator iend = indiceslist().end();
2052                 for (; iit != iend; ++iit) {
2053                         os << "\\newindex{";
2054                         os << escape(iit->shortcut());
2055                         os << "}\n";
2056                 }
2057         }
2058
2059         // Line spacing
2060         os << from_utf8(spacing().writePreamble(features.isProvided("SetSpace")));
2061
2062         // PDF support.
2063         // * Hyperref manual: "Make sure it comes last of your loaded
2064         //   packages, to give it a fighting chance of not being over-written,
2065         //   since its job is to redefine many LaTeX commands."
2066         // * Email from Heiko Oberdiek: "It is usually better to load babel
2067         //   before hyperref. Then hyperref has a chance to detect babel.
2068         // * Has to be loaded before the "LyX specific LaTeX commands" to
2069         //   avoid errors with algorithm floats.
2070         // use hyperref explicitly if it is required
2071         if (features.isRequired("hyperref")) {
2072                 OutputParams tmp_params = features.runparams();
2073                 pdfoptions().writeLaTeX(tmp_params, os,
2074                                         features.isProvided("hyperref"));
2075                 // correctly break URLs with hyperref and dvi output
2076                 if (features.runparams().flavor == OutputParams::LATEX
2077                     && features.isAvailable("breakurl"))
2078                         os << "\\usepackage{breakurl}\n";
2079         } else if (features.isRequired("nameref"))
2080                 // hyperref loads this automatically
2081                 os << "\\usepackage{nameref}\n";
2082
2083         // bibtopic needs to be loaded after hyperref.
2084         // the dot provides the aux file naming which LyX can detect.
2085         if (features.mustProvide("bibtopic"))
2086                 os << "\\usepackage[dot]{bibtopic}\n";
2087
2088         // Will be surrounded by \makeatletter and \makeatother when not empty
2089         otexstringstream atlyxpreamble;
2090
2091         // Some macros LyX will need
2092         {
2093                 TexString tmppreamble = features.getMacros();
2094                 if (!tmppreamble.str.empty())
2095                         atlyxpreamble << "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
2096                                          "LyX specific LaTeX commands.\n"
2097                                       << move(tmppreamble)
2098                                       << '\n';
2099         }
2100         // the text class specific preamble
2101         {
2102                 docstring tmppreamble = features.getTClassPreamble();
2103                 if (!tmppreamble.empty())
2104                         atlyxpreamble << "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
2105                                          "Textclass specific LaTeX commands.\n"
2106                                       << tmppreamble
2107                                       << '\n';
2108         }
2109         // suppress date if selected
2110         // use \@ifundefined because we cannot be sure that every document class
2111         // has a \date command
2112         if (suppress_date)
2113                 atlyxpreamble << "\\@ifundefined{date}{}{\\date{}}\n";
2114
2115         /* the user-defined preamble */
2116         if (!containsOnly(preamble, " \n\t")) {
2117                 // FIXME UNICODE
2118                 atlyxpreamble << "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
2119                                  "User specified LaTeX commands.\n";
2120
2121                 // Check if the user preamble contains uncodable glyphs
2122                 odocstringstream user_preamble;
2123                 docstring uncodable_glyphs;
2124                 Encoding const * const enc = features.runparams().encoding;
2125                 if (enc) {
2126                         for (size_t n = 0; n < preamble.size(); ++n) {
2127                                 char_type c = preamble[n];
2128                                 if (!enc->encodable(c)) {
2129                                         docstring const glyph(1, c);
2130                                         LYXERR0("Uncodable character '"
2131                                                 << glyph
2132                                                 << "' in user preamble!");
2133                                         uncodable_glyphs += glyph;
2134                                         if (features.runparams().dryrun) {
2135                                                 user_preamble << "<" << _("LyX Warning: ")
2136                                                    << _("uncodable character") << " '";
2137                                                 user_preamble.put(c);
2138                                                 user_preamble << "'>";
2139                                         }
2140                                 } else
2141                                         user_preamble.put(c);
2142                         }
2143                 } else
2144                         user_preamble << preamble;
2145
2146                 // On BUFFER_VIEW|UPDATE, warn user if we found uncodable glyphs
2147                 if (!features.runparams().dryrun && !uncodable_glyphs.empty()) {
2148                         frontend::Alert::warning(
2149                                 _("Uncodable character in user preamble"),
2150                                 support::bformat(
2151                                   _("The user preamble of your document contains glyphs "
2152                                     "that are unknown in the current document encoding "
2153                                     "(namely %1$s).\nThese glyphs are omitted "
2154                                     " from the output, which may result in "
2155                                     "incomplete output."
2156                                     "\n\nPlease select an appropriate "
2157                                     "document encoding\n"
2158                                     "(such as utf8) or change the "
2159                                     "preamble code accordingly."),
2160                                   uncodable_glyphs));
2161                 }
2162                 atlyxpreamble << user_preamble.str() << '\n';
2163         }
2164
2165         // footmisc must be loaded after setspace
2166         // Load it here to avoid clashes with footmisc loaded in the user
2167         // preamble. For that reason we also pass the options via
2168         // \PassOptionsToPackage in getPreamble() and not here.
2169         if (features.mustProvide("footmisc"))
2170                 atlyxpreamble << "\\usepackage{footmisc}\n";
2171
2172         // subfig loads internally the LaTeX package "caption". As
2173         // caption is a very popular package, users will load it in
2174         // the preamble. Therefore we must load subfig behind the
2175         // user-defined preamble and check if the caption package was
2176         // loaded or not. For the case that caption is loaded before
2177         // subfig, there is the subfig option "caption=false". This
2178         // option also works when a koma-script class is used and
2179         // koma's own caption commands are used instead of caption. We
2180         // use \PassOptionsToPackage here because the user could have
2181         // already loaded subfig in the preamble.
2182         if (features.mustProvide("subfig"))
2183                 atlyxpreamble << "\\@ifundefined{showcaptionsetup}{}{%\n"
2184                                  " \\PassOptionsToPackage{caption=false}{subfig}}\n"
2185                                  "\\usepackage{subfig}\n";
2186
2187         // Itemize bullet settings need to be last in case the user
2188         // defines their own bullets that use a package included
2189         // in the user-defined preamble -- ARRae
2190         // Actually it has to be done much later than that
2191         // since some packages like frenchb make modifications
2192         // at \begin{document} time -- JMarc
2193         docstring bullets_def;
2194         for (int i = 0; i < 4; ++i) {
2195                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
2196                         if (bullets_def.empty())
2197                                 bullets_def += "\\AtBeginDocument{\n";
2198                         bullets_def += "  \\def\\labelitemi";
2199                         switch (i) {
2200                                 // `i' is one less than the item to modify
2201                         case 0:
2202                                 break;
2203                         case 1:
2204                                 bullets_def += 'i';
2205                                 break;
2206                         case 2:
2207                                 bullets_def += "ii";
2208                                 break;
2209                         case 3:
2210                                 bullets_def += 'v';
2211                                 break;
2212                         }
2213                         bullets_def += '{' +
2214                                 user_defined_bullet(i).getText()
2215                                 + "}\n";
2216                 }
2217         }
2218
2219         if (!bullets_def.empty())
2220                 atlyxpreamble << bullets_def << "}\n\n";
2221
2222         if (!atlyxpreamble.empty())
2223                 os << "\n\\makeatletter\n"
2224                    << atlyxpreamble.release()
2225                    << "\\makeatother\n\n";
2226
2227         // We try to load babel late, in case it interferes with other packages.
2228         // Jurabib, hyperref, varioref, bicaption and listings (bug 8995) have to be
2229         // called after babel, though.
2230         if (use_babel && !features.isRequired("jurabib")
2231             && !features.isRequired("hyperref")
2232                 && !features.isRequired("varioref")
2233             && !features.isRequired("vietnamese")
2234             && !features.isRequired("japanese")) {
2235                 os << features.getBabelPresettings();
2236                 // FIXME UNICODE
2237                 os << from_utf8(babelCall(language_options.str(),
2238                                           features.needBabelLangOptions())) + '\n';
2239                 os << features.getBabelPostsettings();
2240         }
2241         if (features.isRequired("bicaption"))
2242                 os << "\\usepackage{bicaption}\n";
2243         if (!listings_params.empty() || features.mustProvide("listings"))
2244                 os << "\\usepackage{listings}\n";
2245         if (!listings_params.empty()) {
2246                 os << "\\lstset{";
2247                 // do not test validity because listings_params is
2248                 // supposed to be valid
2249                 string par =
2250                         InsetListingsParams(listings_params).separatedParams(true);
2251                 os << from_utf8(par);
2252                 os << "}\n";
2253         }
2254
2255         // xunicode only needs to be loaded if tipa is used
2256         // (the rest is obsoleted by the new TU encoding).
2257         // It needs to be loaded at least after amsmath, amssymb,
2258         // esint and the other packages that provide special glyphs
2259         if (features.mustProvide("tipa") && useNonTeXFonts) {
2260                 // The package officially only supports XeTeX, but also works
2261                 // with LuaTeX. Thus we work around its XeTeX test.
2262                 if (features.runparams().flavor != OutputParams::XETEX) {
2263                         os << "% Pretend to xunicode that we are XeTeX\n"
2264                            << "\\def\\XeTeXpicfile{}\n";
2265                 }
2266                 os << "\\usepackage{xunicode}\n";
2267         }
2268
2269         // Polyglossia must be loaded last ...
2270         if (use_polyglossia) {
2271                 // call the package
2272                 os << "\\usepackage{polyglossia}\n";
2273                 // set the main language
2274                 os << "\\setdefaultlanguage";
2275                 if (!language->polyglossiaOpts().empty())
2276                         os << "[" << from_ascii(language->polyglossiaOpts()) << "]";
2277                 os << "{" << from_ascii(language->polyglossia()) << "}\n";
2278                 // now setup the other languages
2279                 set<string> const polylangs =
2280                         features.getPolyglossiaLanguages();
2281                 for (set<string>::const_iterator mit = polylangs.begin();
2282                      mit != polylangs.end() ; ++mit) {
2283                         // We do not output the options here; they are output in
2284                         // the language switch commands. This is safer if multiple
2285                         // varieties are used.
2286                         if (*mit == language->polyglossia())
2287                                 continue;
2288                         os << "\\setotherlanguage";
2289                         os << "{" << from_ascii(*mit) << "}\n";
2290                 }
2291         }
2292
2293         // ... but before biblatex (see #7065)
2294         if (features.mustProvide("biblatex")) {
2295                 string delim = "";
2296                 string opts;
2297                 os << "\\usepackage";
2298                 if (!biblatex_bibstyle.empty()
2299                     && (biblatex_bibstyle == biblatex_citestyle)) {
2300                         opts = "style=" + biblatex_bibstyle;
2301                         delim = ",";
2302                 } else {
2303                         if (!biblatex_bibstyle.empty()) {
2304                                 opts = "bibstyle=" + biblatex_bibstyle;
2305                                 delim = ",";
2306                         }
2307                         if (!biblatex_citestyle.empty()) {
2308                                 opts += delim + "citestyle=" + biblatex_citestyle;
2309                                 delim = ",";
2310                         }
2311                 }
2312                 if (!multibib.empty() && multibib != "child") {
2313                         opts += delim + "refsection=" + multibib;
2314                         delim = ",";
2315                 }
2316                 if (bibtexCommand() == "bibtex8"
2317                     || prefixIs(bibtexCommand(), "bibtex8 ")) {
2318                         opts += delim + "backend=bibtex8";
2319                         delim = ",";
2320                 } else if (bibtexCommand() == "bibtex"
2321                            || prefixIs(bibtexCommand(), "bibtex ")) {
2322                         opts += delim + "backend=bibtex";
2323                         delim = ",";
2324                 }
2325                 if (!biblio_opts.empty())
2326                         opts += delim + biblio_opts;
2327                 if (!opts.empty())
2328                         os << "[" << opts << "]";
2329                 os << "{biblatex}\n";
2330         }
2331
2332
2333         // Load custom language package here
2334         if (features.langPackage() == LaTeXFeatures::LANG_PACK_CUSTOM) {
2335                 if (lang_package == "default")
2336                         os << from_utf8(lyxrc.language_custom_package);
2337                 else
2338                         os << from_utf8(lang_package);
2339                 os << '\n';
2340         }
2341
2342         docstring const i18npreamble =
2343                 features.getTClassI18nPreamble(use_babel, use_polyglossia);
2344         if (!i18npreamble.empty())
2345                 os << i18npreamble + '\n';
2346
2347         return use_babel;
2348 }
2349
2350
2351 void BufferParams::useClassDefaults()
2352 {
2353         DocumentClass const & tclass = documentClass();
2354
2355         sides = tclass.sides();
2356         columns = tclass.columns();
2357         pagestyle = tclass.pagestyle();
2358         use_default_options = true;
2359         // Only if class has a ToC hierarchy
2360         if (tclass.hasTocLevels()) {
2361                 secnumdepth = tclass.secnumdepth();
2362                 tocdepth = tclass.tocdepth();
2363         }
2364 }
2365
2366
2367 bool BufferParams::hasClassDefaults() const
2368 {
2369         DocumentClass const & tclass = documentClass();
2370
2371         return sides == tclass.sides()
2372                 && columns == tclass.columns()
2373                 && pagestyle == tclass.pagestyle()
2374                 && use_default_options
2375                 && secnumdepth == tclass.secnumdepth()
2376                 && tocdepth == tclass.tocdepth();
2377 }
2378
2379
2380 DocumentClass const & BufferParams::documentClass() const
2381 {
2382         return *doc_class_;
2383 }
2384
2385
2386 DocumentClassConstPtr BufferParams::documentClassPtr() const
2387 {
2388         return doc_class_;
2389 }
2390
2391
2392 void BufferParams::setDocumentClass(DocumentClassConstPtr tc)
2393 {
2394         // evil, but this function is evil
2395         doc_class_ = const_pointer_cast<DocumentClass>(tc);
2396         invalidateConverterCache();
2397 }
2398
2399
2400 bool BufferParams::setBaseClass(string const & classname)
2401 {
2402         LYXERR(Debug::TCLASS, "setBaseClass: " << classname);
2403         LayoutFileList & bcl = LayoutFileList::get();
2404         if (!bcl.haveClass(classname)) {
2405                 docstring s =
2406                         bformat(_("The layout file:\n"
2407                                 "%1$s\n"
2408                                 "could not be found. A default textclass with default\n"
2409                                 "layouts will be used. LyX will not be able to produce\n"
2410                                 "correct output."),
2411                         from_utf8(classname));
2412                 frontend::Alert::error(_("Document class not found"), s);
2413                 bcl.addEmptyClass(classname);
2414         }
2415
2416         bool const success = bcl[classname].load();
2417         if (!success) {
2418                 docstring s =
2419                         bformat(_("Due to some error in it, the layout file:\n"
2420                                 "%1$s\n"
2421                                 "could not be loaded. A default textclass with default\n"
2422                                 "layouts will be used. LyX will not be able to produce\n"
2423                                 "correct output."),
2424                         from_utf8(classname));
2425                 frontend::Alert::error(_("Could not load class"), s);
2426                 bcl.addEmptyClass(classname);
2427         }
2428
2429         pimpl_->baseClass_ = classname;
2430         layout_modules_.adaptToBaseClass(baseClass(), removed_modules_);
2431         return true;
2432 }
2433
2434
2435 LayoutFile const * BufferParams::baseClass() const
2436 {
2437         if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
2438                 return &(LayoutFileList::get()[pimpl_->baseClass_]);
2439         else
2440                 return 0;
2441 }
2442
2443
2444 LayoutFileIndex const & BufferParams::baseClassID() const
2445 {
2446         return pimpl_->baseClass_;
2447 }
2448
2449
2450 void BufferParams::makeDocumentClass(bool const clone)
2451 {
2452         if (!baseClass())
2453                 return;
2454
2455         invalidateConverterCache();
2456         LayoutModuleList mods;
2457         LayoutModuleList ces;
2458         LayoutModuleList::iterator it = layout_modules_.begin();
2459         LayoutModuleList::iterator en = layout_modules_.end();
2460         for (; it != en; ++it)
2461                 mods.push_back(*it);
2462
2463         it = cite_engine_.begin();
2464         en = cite_engine_.end();
2465         for (; it != en; ++it)
2466                 ces.push_back(*it);
2467
2468         doc_class_ = getDocumentClass(*baseClass(), mods, ces, clone);
2469
2470         TextClass::ReturnValues success = TextClass::OK;
2471         if (!forced_local_layout_.empty())
2472                 success = doc_class_->read(to_utf8(forced_local_layout_),
2473                                            TextClass::MODULE);
2474         if (!local_layout_.empty() &&
2475             (success == TextClass::OK || success == TextClass::OK_OLDFORMAT))
2476                 success = doc_class_->read(to_utf8(local_layout_), TextClass::MODULE);
2477         if (success != TextClass::OK && success != TextClass::OK_OLDFORMAT) {
2478                 docstring const msg = _("Error reading internal layout information");
2479                 frontend::Alert::warning(_("Read Error"), msg);
2480         }
2481 }
2482
2483
2484 bool BufferParams::layoutModuleCanBeAdded(string const & modName) const
2485 {
2486         return layout_modules_.moduleCanBeAdded(modName, baseClass());
2487 }
2488
2489
2490 bool BufferParams::citationModuleCanBeAdded(string const & modName) const
2491 {
2492         return cite_engine_.moduleCanBeAdded(modName, baseClass());
2493 }
2494
2495
2496 docstring BufferParams::getLocalLayout(bool forced) const
2497 {
2498         if (forced)
2499                 return from_utf8(doc_class_->forcedLayouts());
2500         else
2501                 return local_layout_;
2502 }
2503
2504
2505 void BufferParams::setLocalLayout(docstring const & layout, bool forced)
2506 {
2507         if (forced)
2508                 forced_local_layout_ = layout;
2509         else
2510                 local_layout_ = layout;
2511 }
2512
2513
2514 bool BufferParams::addLayoutModule(string const & modName)
2515 {
2516         LayoutModuleList::const_iterator it = layout_modules_.begin();
2517         LayoutModuleList::const_iterator end = layout_modules_.end();
2518         for (; it != end; ++it)
2519                 if (*it == modName)
2520                         return false;
2521         layout_modules_.push_back(modName);
2522         return true;
2523 }
2524
2525
2526 string BufferParams::bufferFormat() const
2527 {
2528         return documentClass().outputFormat();
2529 }
2530
2531
2532 bool BufferParams::isExportable(string const & format, bool need_viewable) const
2533 {
2534         FormatList const & formats = exportableFormats(need_viewable);
2535         FormatList::const_iterator fit = formats.begin();
2536         FormatList::const_iterator end = formats.end();
2537         for (; fit != end ; ++fit) {
2538                 if ((*fit)->name() == format)
2539                         return true;
2540         }
2541         return false;
2542 }
2543
2544
2545 FormatList const & BufferParams::exportableFormats(bool only_viewable) const
2546 {
2547         FormatList & cached = only_viewable ?
2548                         pimpl_->viewableFormatList : pimpl_->exportableFormatList;
2549         bool & valid = only_viewable ? 
2550                         pimpl_->isViewCacheValid : pimpl_->isExportCacheValid;
2551         if (valid)
2552                 return cached;
2553
2554         vector<string> const backs = backends();
2555         set<string> excludes;
2556         if (useNonTeXFonts) {
2557                 excludes.insert("latex");
2558                 excludes.insert("pdflatex");
2559         }
2560         FormatList result =
2561                 theConverters().getReachable(backs[0], only_viewable, true, excludes);
2562         for (vector<string>::const_iterator it = backs.begin() + 1;
2563              it != backs.end(); ++it) {
2564                 FormatList r = theConverters().getReachable(*it, only_viewable, 
2565                                 false, excludes);
2566                 result.insert(result.end(), r.begin(), r.end());
2567         }
2568         sort(result.begin(), result.end(), Format::formatSorter);
2569         cached = result;
2570         valid = true;
2571         return cached;
2572 }
2573
2574
2575 vector<string> BufferParams::backends() const
2576 {
2577         vector<string> v;
2578         string const buffmt = bufferFormat();
2579
2580         // FIXME: Don't hardcode format names here, but use a flag
2581         if (buffmt == "latex") {
2582                 if (encoding().package() == Encoding::japanese)
2583                         v.push_back("platex");
2584                 else {
2585                         if (!useNonTeXFonts) {
2586                                 v.push_back("pdflatex");
2587                                 v.push_back("latex");
2588                         }
2589                         v.push_back("xetex");
2590                         v.push_back("luatex");
2591                         v.push_back("dviluatex");
2592                 }
2593         } else
2594                 v.push_back(buffmt);
2595
2596         v.push_back("xhtml");
2597         v.push_back("text");
2598         v.push_back("lyx");
2599         return v;
2600 }
2601
2602
2603 OutputParams::FLAVOR BufferParams::getOutputFlavor(string const & format) const
2604 {
2605         string const dformat = (format.empty() || format == "default") ?
2606                 getDefaultOutputFormat() : format;
2607         DefaultFlavorCache::const_iterator it =
2608                 default_flavors_.find(dformat);
2609
2610         if (it != default_flavors_.end())
2611                 return it->second;
2612
2613         OutputParams::FLAVOR result = OutputParams::LATEX;
2614
2615         // FIXME It'd be better not to hardcode this, but to do
2616         //       something with formats.
2617         if (dformat == "xhtml")
2618                 result = OutputParams::HTML;
2619         else if (dformat == "text")
2620                 result = OutputParams::TEXT;
2621         else if (dformat == "lyx")
2622                 result = OutputParams::LYX;
2623         else if (dformat == "pdflatex")
2624                 result = OutputParams::PDFLATEX;
2625         else if (dformat == "xetex")
2626                 result = OutputParams::XETEX;
2627         else if (dformat == "luatex")
2628                 result = OutputParams::LUATEX;
2629         else if (dformat == "dviluatex")
2630                 result = OutputParams::DVILUATEX;
2631         else {
2632                 // Try to determine flavor of default output format
2633                 vector<string> backs = backends();
2634                 if (find(backs.begin(), backs.end(), dformat) == backs.end()) {
2635                         // Get shortest path to format
2636                         Graph::EdgePath path;
2637                         for (vector<string>::const_iterator it = backs.begin();
2638                             it != backs.end(); ++it) {
2639                                 Graph::EdgePath p = theConverters().getPath(*it, dformat);
2640                                 if (!p.empty() && (path.empty() || p.size() < path.size())) {
2641                                         path = p;
2642                                 }
2643                         }
2644                         if (!path.empty())
2645                                 result = theConverters().getFlavor(path);
2646                 }
2647         }
2648         // cache this flavor
2649         default_flavors_[dformat] = result;
2650         return result;
2651 }
2652
2653
2654 string BufferParams::getDefaultOutputFormat() const
2655 {
2656         if (!default_output_format.empty()
2657             && default_output_format != "default")
2658                 return default_output_format;
2659         if (isDocBook()
2660             || encoding().package() == Encoding::japanese) {
2661                 FormatList const & formats = exportableFormats(true);
2662                 if (formats.empty())
2663                         return string();
2664                 // return the first we find
2665                 return formats.front()->name();
2666         }
2667         if (useNonTeXFonts)
2668                 return lyxrc.default_otf_view_format;
2669         return lyxrc.default_view_format;
2670 }
2671
2672 Font const BufferParams::getFont() const
2673 {
2674         FontInfo f = documentClass().defaultfont();
2675         if (fonts_default_family == "rmdefault")
2676                 f.setFamily(ROMAN_FAMILY);
2677         else if (fonts_default_family == "sfdefault")
2678                 f.setFamily(SANS_FAMILY);
2679         else if (fonts_default_family == "ttdefault")
2680                 f.setFamily(TYPEWRITER_FAMILY);
2681         return Font(f, language);
2682 }
2683
2684
2685 InsetQuotesParams::QuoteStyle BufferParams::getQuoteStyle(string const & qs) const
2686 {
2687         return quotesstyletranslator().find(qs);
2688 }
2689
2690
2691 bool BufferParams::isLatex() const
2692 {
2693         return documentClass().outputType() == LATEX;
2694 }
2695
2696
2697 bool BufferParams::isLiterate() const
2698 {
2699         return documentClass().outputType() == LITERATE;
2700 }
2701
2702
2703 bool BufferParams::isDocBook() const
2704 {
2705         return documentClass().outputType() == DOCBOOK;
2706 }
2707
2708
2709 void BufferParams::readPreamble(Lexer & lex)
2710 {
2711         if (lex.getString() != "\\begin_preamble")
2712                 lyxerr << "Error (BufferParams::readPreamble):"
2713                         "consistency check failed." << endl;
2714
2715         preamble = lex.getLongString(from_ascii("\\end_preamble"));
2716 }
2717
2718
2719 void BufferParams::readLocalLayout(Lexer & lex, bool forced)
2720 {
2721         string const expected = forced ? "\\begin_forced_local_layout" :
2722                                          "\\begin_local_layout";
2723         if (lex.getString() != expected)
2724                 lyxerr << "Error (BufferParams::readLocalLayout):"
2725                         "consistency check failed." << endl;
2726
2727         if (forced)
2728                 forced_local_layout_ =
2729                         lex.getLongString(from_ascii("\\end_forced_local_layout"));
2730         else
2731                 local_layout_ = lex.getLongString(from_ascii("\\end_local_layout"));
2732 }
2733
2734
2735 bool BufferParams::setLanguage(string const & lang)
2736 {
2737         Language const *new_language = languages.getLanguage(lang);
2738         if (!new_language) {
2739                 // Language lang was not found
2740                 return false;
2741         }
2742         language = new_language;
2743         return true;
2744 }
2745
2746
2747 void BufferParams::readLanguage(Lexer & lex)
2748 {
2749         if (!lex.next()) return;
2750
2751         string const tmptok = lex.getString();
2752
2753         // check if tmptok is part of tex_babel in tex-defs.h
2754         if (!setLanguage(tmptok)) {
2755                 // Language tmptok was not found
2756                 language = default_language;
2757                 lyxerr << "Warning: Setting language `"
2758                        << tmptok << "' to `" << language->lang()
2759                        << "'." << endl;
2760         }
2761 }
2762
2763
2764 void BufferParams::readGraphicsDriver(Lexer & lex)
2765 {
2766         if (!lex.next())
2767                 return;
2768
2769         string const tmptok = lex.getString();
2770         // check if tmptok is part of tex_graphics in tex_defs.h
2771         int n = 0;
2772         while (true) {
2773                 string const test = tex_graphics[n++];
2774
2775                 if (test == tmptok) {
2776                         graphics_driver = tmptok;
2777                         break;
2778                 }
2779                 if (test.empty()) {
2780                         lex.printError(
2781                                 "Warning: graphics driver `$$Token' not recognized!\n"
2782                                 "         Setting graphics driver to `default'.\n");
2783                         graphics_driver = "default";
2784                         break;
2785                 }
2786         }
2787 }
2788
2789
2790 void BufferParams::readBullets(Lexer & lex)
2791 {
2792         if (!lex.next())
2793                 return;
2794
2795         int const index = lex.getInteger();
2796         lex.next();
2797         int temp_int = lex.getInteger();
2798         user_defined_bullet(index).setFont(temp_int);
2799         temp_bullet(index).setFont(temp_int);
2800         lex >> temp_int;
2801         user_defined_bullet(index).setCharacter(temp_int);
2802         temp_bullet(index).setCharacter(temp_int);
2803         lex >> temp_int;
2804         user_defined_bullet(index).setSize(temp_int);
2805         temp_bullet(index).setSize(temp_int);
2806 }
2807
2808
2809 void BufferParams::readBulletsLaTeX(Lexer & lex)
2810 {
2811         // The bullet class should be able to read this.
2812         if (!lex.next())
2813                 return;
2814         int const index = lex.getInteger();
2815         lex.next(true);
2816         docstring const temp_str = lex.getDocString();
2817
2818         user_defined_bullet(index).setText(temp_str);
2819         temp_bullet(index).setText(temp_str);
2820 }
2821
2822
2823 void BufferParams::readModules(Lexer & lex)
2824 {
2825         if (!lex.eatLine()) {
2826                 lyxerr << "Error (BufferParams::readModules):"
2827                                 "Unexpected end of input." << endl;
2828                 return;
2829         }
2830         while (true) {
2831                 string mod = lex.getString();
2832                 if (mod == "\\end_modules")
2833                         break;
2834                 addLayoutModule(mod);
2835                 lex.eatLine();
2836         }
2837 }
2838
2839
2840 void BufferParams::readRemovedModules(Lexer & lex)
2841 {
2842         if (!lex.eatLine()) {
2843                 lyxerr << "Error (BufferParams::readRemovedModules):"
2844                                 "Unexpected end of input." << endl;
2845                 return;
2846         }
2847         while (true) {
2848                 string mod = lex.getString();
2849                 if (mod == "\\end_removed_modules")
2850                         break;
2851                 removed_modules_.push_back(mod);
2852                 lex.eatLine();
2853         }
2854         // now we want to remove any removed modules that were previously
2855         // added. normally, that will be because default modules were added in
2856         // setBaseClass(), which gets called when \textclass is read at the
2857         // start of the read.
2858         list<string>::const_iterator rit = removed_modules_.begin();
2859         list<string>::const_iterator const ren = removed_modules_.end();
2860         for (; rit != ren; ++rit) {
2861                 LayoutModuleList::iterator const mit = layout_modules_.begin();
2862                 LayoutModuleList::iterator const men = layout_modules_.end();
2863                 LayoutModuleList::iterator found = find(mit, men, *rit);
2864                 if (found == men)
2865                         continue;
2866                 layout_modules_.erase(found);
2867         }
2868 }
2869
2870
2871 void BufferParams::readIncludeonly(Lexer & lex)
2872 {
2873         if (!lex.eatLine()) {
2874                 lyxerr << "Error (BufferParams::readIncludeonly):"
2875                                 "Unexpected end of input." << endl;
2876                 return;
2877         }
2878         while (true) {
2879                 string child = lex.getString();
2880                 if (child == "\\end_includeonly")
2881                         break;
2882                 included_children_.push_back(child);
2883                 lex.eatLine();
2884         }
2885 }
2886
2887
2888 string BufferParams::paperSizeName(PapersizePurpose purpose) const
2889 {
2890         switch (papersize) {
2891         case PAPER_DEFAULT:
2892                 // could be anything, so don't guess
2893                 return string();
2894         case PAPER_CUSTOM: {
2895                 if (purpose == XDVI && !paperwidth.empty() &&
2896                     !paperheight.empty()) {
2897                         // heightxwidth<unit>
2898                         string first = paperwidth;
2899                         string second = paperheight;
2900                         if (orientation == ORIENTATION_LANDSCAPE)
2901                                 first.swap(second);
2902                         // cut off unit.
2903                         return first.erase(first.length() - 2)
2904                                 + "x" + second;
2905                 }
2906                 return string();
2907         }
2908         case PAPER_A0:
2909                 // dvips and dvipdfm do not know this
2910                 if (purpose == DVIPS || purpose == DVIPDFM)
2911                         return string();
2912                 return "a0";
2913         case PAPER_A1:
2914                 if (purpose == DVIPS || purpose == DVIPDFM)
2915                         return string();
2916                 return "a1";
2917         case PAPER_A2:
2918                 if (purpose == DVIPS || purpose == DVIPDFM)
2919                         return string();
2920                 return "a2";
2921         case PAPER_A3:
2922                 return "a3";
2923         case PAPER_A4:
2924                 return "a4";
2925         case PAPER_A5:
2926                 return "a5";
2927         case PAPER_A6:
2928                 if (purpose == DVIPS || purpose == DVIPDFM)
2929                         return string();
2930                 return "a6";
2931         case PAPER_B0:
2932                 if (purpose == DVIPS || purpose == DVIPDFM)
2933                         return string();
2934                 return "b0";
2935         case PAPER_B1:
2936                 if (purpose == DVIPS || purpose == DVIPDFM)
2937                         return string();
2938                 return "b1";
2939         case PAPER_B2:
2940                 if (purpose == DVIPS || purpose == DVIPDFM)
2941                         return string();
2942                 return "b2";
2943         case PAPER_B3:
2944                 if (purpose == DVIPS || purpose == DVIPDFM)
2945                         return string();
2946                 return "b3";
2947         case PAPER_B4:
2948                 // dvipdfm does not know this
2949                 if (purpose == DVIPDFM)
2950                         return string();
2951                 return "b4";
2952         case PAPER_B5:
2953                 if (purpose == DVIPDFM)
2954                         return string();
2955                 return "b5";
2956         case PAPER_B6:
2957                 if (purpose == DVIPS || purpose == DVIPDFM)
2958                         return string();
2959                 return "b6";
2960         case PAPER_C0:
2961                 if (purpose == DVIPS || purpose == DVIPDFM)
2962                         return string();
2963                 return "c0";
2964         case PAPER_C1:
2965                 if (purpose == DVIPS || purpose == DVIPDFM)
2966                         return string();
2967                 return "c1";
2968         case PAPER_C2:
2969                 if (purpose == DVIPS || purpose == DVIPDFM)
2970                         return string();
2971                 return "c2";
2972         case PAPER_C3:
2973                 if (purpose == DVIPS || purpose == DVIPDFM)
2974                         return string();
2975                 return "c3";
2976         case PAPER_C4:
2977                 if (purpose == DVIPS || purpose == DVIPDFM)
2978                         return string();
2979                 return "c4";
2980         case PAPER_C5:
2981                 if (purpose == DVIPS || purpose == DVIPDFM)
2982                         return string();
2983                 return "c5";
2984         case PAPER_C6:
2985                 if (purpose == DVIPS || purpose == DVIPDFM)
2986                         return string();
2987                 return "c6";
2988         case PAPER_JISB0:
2989                 if (purpose == DVIPS || purpose == DVIPDFM)
2990                         return string();
2991                 return "jisb0";
2992         case PAPER_JISB1:
2993                 if (purpose == DVIPS || purpose == DVIPDFM)
2994                         return string();
2995                 return "jisb1";
2996         case PAPER_JISB2:
2997                 if (purpose == DVIPS || purpose == DVIPDFM)
2998                         return string();
2999                 return "jisb2";
3000         case PAPER_JISB3:
3001                 if (purpose == DVIPS || purpose == DVIPDFM)
3002                         return string();
3003                 return "jisb3";
3004         case PAPER_JISB4:
3005                 if (purpose == DVIPS || purpose == DVIPDFM)
3006                         return string();
3007                 return "jisb4";
3008         case PAPER_JISB5:
3009                 if (purpose == DVIPS || purpose == DVIPDFM)
3010                         return string();
3011                 return "jisb5";
3012         case PAPER_JISB6:
3013                 if (purpose == DVIPS || purpose == DVIPDFM)
3014                         return string();
3015                 return "jisb6";
3016         case PAPER_USEXECUTIVE:
3017                 // dvipdfm does not know this
3018                 if (purpose == DVIPDFM)
3019                         return string();
3020                 return "foolscap";
3021         case PAPER_USLEGAL:
3022                 return "legal";
3023         case PAPER_USLETTER:
3024         default:
3025                 if (purpose == XDVI)
3026                         return "us";
3027                 return "letter";
3028         }
3029 }
3030
3031
3032 string const BufferParams::dvips_options() const
3033 {
3034         string result;
3035
3036         // If the class loads the geometry package, we do not know which
3037         // paper size is used, since we do not set it (bug 7013).
3038         // Therefore we must not specify any argument here.
3039         // dvips gets the correct paper size via DVI specials in this case
3040         // (if the class uses the geometry package correctly).
3041         if (documentClass().provides("geometry"))
3042                 return result;
3043
3044         if (use_geometry
3045             && papersize == PAPER_CUSTOM
3046             && !lyxrc.print_paper_dimension_flag.empty()
3047             && !paperwidth.empty()
3048             && !paperheight.empty()) {
3049                 // using a custom papersize
3050                 result = lyxrc.print_paper_dimension_flag;
3051                 result += ' ' + paperwidth;
3052                 result += ',' + paperheight;
3053         } else {
3054                 string const paper_option = paperSizeName(DVIPS);
3055                 if (!paper_option.empty() && (paper_option != "letter" ||
3056                     orientation != ORIENTATION_LANDSCAPE)) {
3057                         // dvips won't accept -t letter -t landscape.
3058                         // In all other cases, include the paper size
3059                         // explicitly.
3060                         result = lyxrc.print_paper_flag;
3061                         result += ' ' + paper_option;
3062                 }
3063         }
3064         if (orientation == ORIENTATION_LANDSCAPE &&
3065             papersize != PAPER_CUSTOM)
3066                 result += ' ' + lyxrc.print_landscape_flag;
3067         return result;
3068 }
3069
3070
3071 string const BufferParams::main_font_encoding() const
3072 {
3073         return font_encodings().empty() ? "default" : font_encodings().back();
3074 }
3075
3076
3077 vector<string> const BufferParams::font_encodings() const
3078 {
3079         string doc_fontenc = (fontenc == "global") ? lyxrc.fontenc : fontenc;
3080
3081         vector<string> fontencs;
3082
3083         // "default" means "no explicit font encoding"
3084         if (doc_fontenc != "default") {
3085                 fontencs = getVectorFromString(doc_fontenc);
3086                 if (!language->fontenc().empty()
3087                     && ascii_lowercase(language->fontenc()) != "none") {
3088                         vector<string> fencs = getVectorFromString(language->fontenc());
3089                         vector<string>::const_iterator fit = fencs.begin();
3090                         for (; fit != fencs.end(); ++fit) {
3091                                 if (find(fontencs.begin(), fontencs.end(), *fit) == fontencs.end())
3092                                         fontencs.push_back(*fit);
3093                         }
3094                 }
3095         }
3096
3097         return fontencs;
3098 }
3099
3100
3101 string BufferParams::babelCall(string const & lang_opts, bool const langoptions) const
3102 {
3103         // suppress the babel call if there is no BabelName defined
3104         // for the document language in the lib/languages file and if no
3105         // other languages are used (lang_opts is then empty)
3106         if (lang_opts.empty())
3107                 return string();
3108         // either a specific language (AsBabelOptions setting in
3109         // lib/languages) or the prefs require the languages to
3110         // be submitted to babel itself (not the class).
3111         if (langoptions)
3112                 return "\\usepackage[" + lang_opts + "]{babel}";
3113         return "\\usepackage{babel}";
3114 }
3115
3116
3117 docstring BufferParams::getGraphicsDriver(string const & package) const
3118 {
3119         docstring result;
3120
3121         if (package == "geometry") {
3122                 if (graphics_driver == "dvips"
3123                     || graphics_driver == "dvipdfm"
3124                     || graphics_driver == "pdftex"
3125                     || graphics_driver == "vtex")
3126                         result = from_ascii(graphics_driver);
3127                 else if (graphics_driver == "dvipdfmx")
3128                         result = from_ascii("dvipdfm");
3129         }
3130
3131         return result;
3132 }
3133
3134
3135 void BufferParams::writeEncodingPreamble(otexstream & os,
3136                                          LaTeXFeatures & features) const
3137 {
3138         // XeTeX/LuaTeX: (see also #9740)
3139         // With Unicode fonts we use utf8-plain without encoding package.
3140         // With TeX fonts, we cannot use utf8-plain, but "inputenc" fails.
3141         // XeTeX must use ASCII encoding (see Buffer.cpp),
3142         //  for LuaTeX, we load "luainputenc" (see below).
3143         if (useNonTeXFonts || features.runparams().flavor == OutputParams::XETEX)
3144                 return;
3145
3146         if (inputenc == "auto") {
3147                 string const doc_encoding =
3148                         language->encoding()->latexName();
3149                 Encoding::Package const package =
3150                         language->encoding()->package();
3151
3152                 // Create list of inputenc options:
3153                 set<string> encodings;
3154                 // luainputenc fails with more than one encoding
3155                 if (!features.runparams().isFullUnicode()) // if we reach this point, this means LuaTeX with TeX fonts
3156                         // list all input encodings used in the document
3157                         encodings = features.getEncodingSet(doc_encoding);
3158
3159                 // If the "japanese" package (i.e. pLaTeX) is used,
3160                 // inputenc must be omitted.
3161                 // see http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129680.html
3162                 if ((!encodings.empty() || package == Encoding::inputenc)
3163                     && !features.isRequired("japanese")
3164                     && !features.isProvided("inputenc")) {
3165                         os << "\\usepackage[";
3166                         set<string>::const_iterator it = encodings.begin();
3167                         set<string>::const_iterator const end = encodings.end();
3168                         if (it != end) {
3169                                 os << from_ascii(*it);
3170                                 ++it;
3171                         }
3172                         for (; it != end; ++it)
3173                                 os << ',' << from_ascii(*it);
3174                         if (package == Encoding::inputenc) {
3175                                 if (!encodings.empty())
3176                                         os << ',';
3177                                 os << from_ascii(doc_encoding);
3178                         }
3179                         if (features.runparams().flavor == OutputParams::LUATEX
3180                             || features.runparams().flavor == OutputParams::DVILUATEX)
3181                                 os << "]{luainputenc}\n";
3182                         else
3183                                 os << "]{inputenc}\n";
3184                 }
3185                 if (package == Encoding::CJK || features.mustProvide("CJK")) {
3186                         if (language->encoding()->name() == "utf8-cjk"
3187                             && LaTeXFeatures::isAvailable("CJKutf8"))
3188                                 os << "\\usepackage{CJKutf8}\n";
3189                         else
3190                                 os << "\\usepackage{CJK}\n";
3191                 }
3192         } else if (inputenc != "default") {
3193                 switch (encoding().package()) {
3194                 case Encoding::none:
3195                 case Encoding::japanese:
3196                         break;
3197                 case Encoding::inputenc:
3198                         // do not load inputenc if japanese is used
3199                         // or if the class provides inputenc
3200                         if (features.isRequired("japanese")
3201                             || features.isProvided("inputenc"))
3202                                 break;
3203                         os << "\\usepackage[" << from_ascii(encoding().latexName());
3204                         if (features.runparams().flavor == OutputParams::LUATEX
3205                             || features.runparams().flavor == OutputParams::DVILUATEX)
3206                                 os << "]{luainputenc}\n";
3207                         else
3208                                 os << "]{inputenc}\n";
3209                         break;
3210                 case Encoding::CJK:
3211                         if (encoding().name() == "utf8-cjk"
3212                             && LaTeXFeatures::isAvailable("CJKutf8"))
3213                                 os << "\\usepackage{CJKutf8}\n";
3214                         else
3215                                 os << "\\usepackage{CJK}\n";
3216                         break;
3217                 }
3218                 // Load the CJK package if needed by a secondary language.
3219                 // If the main encoding is some variant of UTF8, use CJKutf8.
3220                 if (encoding().package() != Encoding::CJK && features.mustProvide("CJK")) {
3221                         if (encoding().iconvName() == "UTF-8"
3222                             && LaTeXFeatures::isAvailable("CJKutf8"))
3223                                 os << "\\usepackage{CJKutf8}\n";
3224                         else
3225                                 os << "\\usepackage{CJK}\n";
3226                 }
3227         }
3228 }
3229
3230
3231 string const BufferParams::parseFontName(string const & name) const
3232 {
3233         string mangled = name;
3234         size_t const idx = mangled.find('[');
3235         if (idx == string::npos || idx == 0)
3236                 return mangled;
3237         else
3238                 return mangled.substr(0, idx - 1);
3239 }
3240
3241
3242 string const BufferParams::loadFonts(LaTeXFeatures & features) const
3243 {
3244         if (fontsRoman() == "default" && fontsSans() == "default"
3245             && fontsTypewriter() == "default"
3246             && (fontsMath() == "default" || fontsMath() == "auto"))
3247                 //nothing to do
3248                 return string();
3249
3250         ostringstream os;
3251
3252         /* Fontspec (XeTeX, LuaTeX): we provide GUI support for oldstyle
3253          * numbers (Numbers=OldStyle) and sf/tt scaling. The Ligatures=TeX/
3254          * Mapping=tex-text option assures TeX ligatures (such as "--")
3255          * are resolved. Note that tt does not use these ligatures.
3256          * TODO:
3257          *    -- add more GUI options?
3258          *    -- add more fonts (fonts for other scripts)
3259          *    -- if there's a way to find out if a font really supports
3260          *       OldStyle, enable/disable the widget accordingly.
3261         */
3262         if (useNonTeXFonts && features.isAvailable("fontspec")) {
3263                 // "Mapping=tex-text" and "Ligatures=TeX" are equivalent.
3264                 // However, until v.2 (2010/07/11) fontspec only knew
3265                 // Mapping=tex-text (for XeTeX only); then "Ligatures=TeX"
3266                 // was introduced for both XeTeX and LuaTeX (LuaTeX
3267                 // didn't understand "Mapping=tex-text", while XeTeX
3268                 // understood both. With most recent versions, both
3269                 // variants are understood by both engines. However,
3270                 // we want to provide support for at least TeXLive 2009
3271                 // (for XeTeX; LuaTeX is only supported as of v.2)
3272                 string const texmapping =
3273                         (features.runparams().flavor == OutputParams::XETEX) ?
3274                         "Mapping=tex-text" : "Ligatures=TeX";
3275                 if (fontsRoman() != "default") {
3276                         os << "\\setmainfont[" << texmapping;
3277                         if (fonts_old_figures)
3278                                 os << ",Numbers=OldStyle";
3279                         os << "]{" << parseFontName(fontsRoman()) << "}\n";
3280                 }
3281                 if (fontsSans() != "default") {
3282                         string const sans = parseFontName(fontsSans());
3283                         if (fontsSansScale() != 100)
3284                                 os << "\\setsansfont[Scale="
3285                                    << float(fontsSansScale()) / 100
3286                                    << "," << texmapping << "]{"
3287                                    << sans << "}\n";
3288                         else
3289                                 os << "\\setsansfont[" << texmapping << "]{"
3290                                    << sans << "}\n";
3291                 }
3292                 if (fontsTypewriter() != "default") {
3293                         string const mono = parseFontName(fontsTypewriter());
3294                         if (fontsTypewriterScale() != 100)
3295                                 os << "\\setmonofont[Scale="
3296                                    << float(fontsTypewriterScale()) / 100
3297                                    << "]{"
3298                                    << mono << "}\n";
3299                         else
3300                                 os << "\\setmonofont{"
3301                                    << mono << "}\n";
3302                 }
3303                 return os.str();
3304         }
3305
3306         // Tex Fonts
3307         bool const ot1 = (main_font_encoding() == "default" || main_font_encoding() == "OT1");
3308         bool const dryrun = features.runparams().dryrun;
3309         bool const complete = (fontsSans() == "default" && fontsTypewriter() == "default");
3310         bool const nomath = (fontsMath() == "default");
3311
3312         // ROMAN FONTS
3313         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsRoman())).getLaTeXCode(
3314                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3315                 nomath);
3316
3317         // SANS SERIF
3318         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsSans())).getLaTeXCode(
3319                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3320                 nomath, fontsSansScale());
3321
3322         // MONOSPACED/TYPEWRITER
3323         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsTypewriter())).getLaTeXCode(
3324                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3325                 nomath, fontsTypewriterScale());
3326
3327         // MATH
3328         os << theLaTeXFonts().getLaTeXFont(from_ascii(fontsMath())).getLaTeXCode(
3329                 dryrun, ot1, complete, fonts_expert_sc, fonts_old_figures,
3330                 nomath);
3331
3332         return os.str();
3333 }
3334
3335
3336 Encoding const & BufferParams::encoding() const
3337 {
3338         // Main encoding for LaTeX output.
3339         // 
3340         // Exception: XeTeX with 8-bit TeX fonts requires ASCII (see #9740).
3341         // As the "flavor" is only known once export started, this
3342         // cannot be handled here. Instead, runparams.encoding is set
3343         // to ASCII in Buffer::makeLaTeXFile (for export)
3344         // and Buffer::writeLaTeXSource (for preview).
3345         if (useNonTeXFonts)
3346                 return *(encodings.fromLyXName("utf8-plain"));
3347         if (inputenc == "auto" || inputenc == "default")
3348                 return *language->encoding();
3349         Encoding const * const enc = encodings.fromLyXName(inputenc);
3350         if (enc)
3351                 return *enc;
3352         LYXERR0("Unknown inputenc value `" << inputenc
3353                << "'. Using `auto' instead.");
3354         return *language->encoding();
3355 }
3356
3357
3358 bool BufferParams::addCiteEngine(string const & engine)
3359 {
3360         LayoutModuleList::const_iterator it = cite_engine_.begin();
3361         LayoutModuleList::const_iterator en = cite_engine_.end();
3362         for (; it != en; ++it)
3363                 if (*it == engine)
3364                         return false;
3365         cite_engine_.push_back(engine);
3366         return true;
3367 }
3368
3369
3370 bool BufferParams::addCiteEngine(vector<string> const & engine)
3371 {
3372         vector<string>::const_iterator it = engine.begin();
3373         vector<string>::const_iterator en = engine.end();
3374         bool ret = true;
3375         for (; it != en; ++it)
3376                 if (!addCiteEngine(*it))
3377                         ret = false;
3378         return ret;
3379 }
3380
3381
3382 string const & BufferParams::defaultBiblioStyle() const
3383 {
3384         map<string, string> const & bs = documentClass().defaultBiblioStyle();
3385         auto cit = bs.find(theCiteEnginesList.getTypeAsString(citeEngineType()));
3386         if (cit != bs.end())
3387                 return cit->second;
3388         else
3389                 return empty_string();
3390 }
3391
3392
3393 bool const & BufferParams::fullAuthorList() const
3394 {
3395         return documentClass().fullAuthorList();
3396 }
3397
3398
3399 string BufferParams::getCiteAlias(string const & s) const
3400 {
3401         vector<string> commands =
3402                 documentClass().citeCommands(citeEngineType());
3403         // If it is a real command, don't treat it as an alias
3404         if (find(commands.begin(), commands.end(), s) != commands.end())
3405                 return string();
3406         map<string,string> aliases = documentClass().citeCommandAliases();
3407         if (aliases.find(s) != aliases.end())
3408                 return aliases[s];
3409         return string();
3410 }
3411
3412
3413 void BufferParams::setCiteEngine(string const & engine)
3414 {
3415         clearCiteEngine();
3416         addCiteEngine(engine);
3417 }
3418
3419
3420 void BufferParams::setCiteEngine(vector<string> const & engine)
3421 {
3422         clearCiteEngine();
3423         addCiteEngine(engine);
3424 }
3425
3426
3427 vector<string> BufferParams::citeCommands() const
3428 {
3429         static CitationStyle const default_style;
3430         vector<string> commands =
3431                 documentClass().citeCommands(citeEngineType());
3432         if (commands.empty())
3433                 commands.push_back(default_style.name);
3434         return commands;
3435 }
3436
3437
3438 vector<CitationStyle> BufferParams::citeStyles() const
3439 {
3440         static CitationStyle const default_style;
3441         vector<CitationStyle> styles =
3442                 documentClass().citeStyles(citeEngineType());
3443         if (styles.empty())
3444                 styles.push_back(default_style);
3445         return styles;
3446 }
3447
3448
3449 string const BufferParams::bibtexCommand() const
3450 {
3451         // Return document-specific setting if available
3452         if (bibtex_command != "default")
3453                 return bibtex_command;
3454
3455         // If we have "default" in document settings, consult the prefs
3456         // 1. Japanese (uses a specific processor)
3457         if (encoding().package() == Encoding::japanese) {
3458                 if (lyxrc.jbibtex_command != "automatic")
3459                         // Return the specified program, if "automatic" is not set
3460                         return lyxrc.jbibtex_command;
3461                 else if (!useBiblatex()) {
3462                         // With classic BibTeX, return pbibtex, jbibtex, bibtex
3463                         if (lyxrc.jbibtex_alternatives.find("pbibtex") != lyxrc.jbibtex_alternatives.end())
3464                                 return "pbibtex";
3465                         if (lyxrc.jbibtex_alternatives.find("jbibtex") != lyxrc.jbibtex_alternatives.end())
3466                                 return "jbibtex";
3467                         return "bibtex";
3468                 }
3469         }
3470         // 2. All other languages
3471         else if (lyxrc.bibtex_command != "automatic")
3472                 // Return the specified program, if "automatic" is not set
3473                 return lyxrc.bibtex_command;
3474
3475         // 3. Automatic: find the most suitable for the current cite framework
3476         if (useBiblatex()) {
3477                 // For Biblatex, we prefer biber (also for Japanese)
3478                 // and fall back to bibtex8 and, as last resort, bibtex
3479                 if (lyxrc.bibtex_alternatives.find("biber") != lyxrc.bibtex_alternatives.end())
3480                         return "biber";
3481                 else if (lyxrc.bibtex_alternatives.find("bibtex8") != lyxrc.bibtex_alternatives.end())
3482                         return "bibtex8";
3483         }
3484         return "bibtex";
3485 }
3486
3487
3488 bool BufferParams::useBiblatex() const
3489 {
3490         return theCiteEnginesList[citeEngine().list().front()]
3491                         ->getCiteFramework() == "biblatex";
3492 }
3493
3494
3495 void BufferParams::invalidateConverterCache() const
3496 {
3497         pimpl_->isExportCacheValid = false;
3498         pimpl_->isViewCacheValid = false;
3499 }
3500
3501 } // namespace lyx