]> git.lyx.org Git - lyx.git/blob - src/BufferParams.cpp
19eebccf5b85ea822924548db1d84a7f48d4cdb1
[lyx.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_funcs.h"
24 #include "Bullet.h"
25 #include "Color.h"
26 #include "Encoding.h"
27 #include "Language.h"
28 #include "LaTeXFeatures.h"
29 #include "ModuleList.h"
30 #include "Font.h"
31 #include "Lexer.h"
32 #include "LyXRC.h"
33 #include "OutputParams.h"
34 #include "Spacing.h"
35 #include "TexRow.h"
36 #include "VSpace.h"
37 #include "PDFOptions.h"
38
39 #include "frontends/alert.h"
40
41 #include "insets/InsetListingsParams.h"
42
43 #include "support/convert.h"
44 #include "support/debug.h"
45 #include "support/docstream.h"
46 #include "support/FileName.h"
47 #include "support/filetools.h"
48 #include "support/gettext.h"
49 #include "support/Messages.h"
50 #include "support/Translator.h"
51 #include "support/lstrings.h"
52
53 #include <algorithm>
54 #include <sstream>
55
56 using namespace std;
57 using namespace lyx::support;
58
59
60 static char const * const string_paragraph_separation[] = {
61         "indent", "skip", ""
62 };
63
64
65 static char const * const string_quotes_language[] = {
66         "english", "swedish", "german", "polish", "french", "danish", ""
67 };
68
69
70 static char const * const string_papersize[] = {
71         "default", "custom", "letterpaper", "executivepaper", "legalpaper",
72         "a3paper", "a4paper", "a5paper", "b3paper", "b4paper", "b5paper", ""
73 };
74
75
76 static char const * const string_orientation[] = {
77         "portrait", "landscape", ""
78 };
79
80
81 static char const * const string_footnotekinds[] = {
82         "footnote", "margin", "fig", "tab", "alg", "wide-fig", "wide-tab", ""
83 };
84
85
86 static char const * const tex_graphics[] = {
87         "default", "dvips", "dvitops", "emtex",
88         "ln", "oztex", "textures", "none", ""
89 };
90
91
92 namespace lyx {
93
94 // Local translators
95 namespace {
96
97 // Paragraph separation
98 typedef Translator<string, BufferParams::ParagraphSeparation> ParSepTranslator;
99
100
101 ParSepTranslator const init_parseptranslator()
102 {
103         ParSepTranslator translator
104                 (string_paragraph_separation[0], BufferParams::ParagraphIndentSeparation);
105         translator.addPair(string_paragraph_separation[1], BufferParams::ParagraphSkipSeparation);
106         return translator;
107 }
108
109
110 ParSepTranslator const & parseptranslator()
111 {
112         static ParSepTranslator translator = init_parseptranslator();
113         return translator;
114 }
115
116
117 // Quotes language
118 typedef Translator<string, InsetQuotes::QuoteLanguage> QuotesLangTranslator;
119
120
121 QuotesLangTranslator const init_quoteslangtranslator()
122 {
123         QuotesLangTranslator translator
124                 (string_quotes_language[0], InsetQuotes::EnglishQuotes);
125         translator.addPair(string_quotes_language[1], InsetQuotes::SwedishQuotes);
126         translator.addPair(string_quotes_language[2], InsetQuotes::GermanQuotes);
127         translator.addPair(string_quotes_language[3], InsetQuotes::PolishQuotes);
128         translator.addPair(string_quotes_language[4], InsetQuotes::FrenchQuotes);
129         translator.addPair(string_quotes_language[5], InsetQuotes::DanishQuotes);
130         return translator;
131 }
132
133
134 QuotesLangTranslator const & quoteslangtranslator()
135 {
136         static QuotesLangTranslator translator = init_quoteslangtranslator();
137         return translator;
138 }
139
140
141 // Paper size
142 typedef Translator<string, PAPER_SIZE> PaperSizeTranslator;
143
144
145 static PaperSizeTranslator initPaperSizeTranslator()
146 {
147         PaperSizeTranslator translator(string_papersize[0], PAPER_DEFAULT);
148         translator.addPair(string_papersize[1], PAPER_CUSTOM);
149         translator.addPair(string_papersize[2], PAPER_USLETTER);
150         translator.addPair(string_papersize[3], PAPER_USLEGAL);
151         translator.addPair(string_papersize[4], PAPER_USEXECUTIVE);
152         translator.addPair(string_papersize[5], PAPER_A3);
153         translator.addPair(string_papersize[6], PAPER_A4);
154         translator.addPair(string_papersize[7], PAPER_A5);
155         translator.addPair(string_papersize[8], PAPER_B3);
156         translator.addPair(string_papersize[9], PAPER_B4);
157         translator.addPair(string_papersize[10], PAPER_B5);
158         return translator;
159 }
160
161
162 PaperSizeTranslator const & papersizetranslator()
163 {
164         static PaperSizeTranslator translator = initPaperSizeTranslator();
165         return translator;
166 }
167
168
169 // Paper orientation
170 typedef Translator<string, PAPER_ORIENTATION> PaperOrientationTranslator;
171
172
173 PaperOrientationTranslator const init_paperorientationtranslator()
174 {
175         PaperOrientationTranslator translator(string_orientation[0], ORIENTATION_PORTRAIT);
176         translator.addPair(string_orientation[1], ORIENTATION_LANDSCAPE);
177         return translator;
178 }
179
180
181 PaperOrientationTranslator const & paperorientationtranslator()
182 {
183         static PaperOrientationTranslator translator = init_paperorientationtranslator();
184         return translator;
185 }
186
187
188 // Page sides
189 typedef Translator<int, PageSides> SidesTranslator;
190
191
192 SidesTranslator const init_sidestranslator()
193 {
194         SidesTranslator translator(1, OneSide);
195         translator.addPair(2, TwoSides);
196         return translator;
197 }
198
199
200 SidesTranslator const & sidestranslator()
201 {
202         static SidesTranslator translator = init_sidestranslator();
203         return translator;
204 }
205
206
207 // LaTeX packages
208 typedef Translator<int, BufferParams::Package> PackageTranslator;
209
210
211 PackageTranslator const init_packagetranslator()
212 {
213         PackageTranslator translator(0, BufferParams::package_off);
214         translator.addPair(1, BufferParams::package_auto);
215         translator.addPair(2, BufferParams::package_on);
216         return translator;
217 }
218
219
220 PackageTranslator const & packagetranslator()
221 {
222         static PackageTranslator translator = init_packagetranslator();
223         return translator;
224 }
225
226
227 // Cite engine
228 typedef Translator<string, CiteEngine> CiteEngineTranslator;
229
230
231 CiteEngineTranslator const init_citeenginetranslator()
232 {
233         CiteEngineTranslator translator("basic", ENGINE_BASIC);
234         translator.addPair("natbib_numerical", ENGINE_NATBIB_NUMERICAL);
235         translator.addPair("natbib_authoryear", ENGINE_NATBIB_AUTHORYEAR);
236         translator.addPair("jurabib", ENGINE_JURABIB);
237         return translator;
238 }
239
240
241 CiteEngineTranslator const & citeenginetranslator()
242 {
243         static CiteEngineTranslator translator = init_citeenginetranslator();
244         return translator;
245 }
246
247
248 // Spacing
249 typedef Translator<string, Spacing::Space> SpaceTranslator;
250
251
252 SpaceTranslator const init_spacetranslator()
253 {
254         SpaceTranslator translator("default", Spacing::Default);
255         translator.addPair("single", Spacing::Single);
256         translator.addPair("onehalf", Spacing::Onehalf);
257         translator.addPair("double", Spacing::Double);
258         translator.addPair("other", Spacing::Other);
259         return translator;
260 }
261
262
263 SpaceTranslator const & spacetranslator()
264 {
265         static SpaceTranslator translator = init_spacetranslator();
266         return translator;
267 }
268
269
270 } // anon namespace
271
272
273 class BufferParams::Impl
274 {
275 public:
276         Impl();
277
278         AuthorList authorlist;
279         BranchList branchlist;
280         Bullet temp_bullets[4];
281         Bullet user_defined_bullets[4];
282         Spacing spacing;
283         /** This is the amount of space used for paragraph_separation "skip",
284          * and for detached paragraphs in "indented" documents.
285          */
286         VSpace defskip;
287         PDFOptions pdfoptions;
288         LayoutFileIndex baseClass_;
289 };
290
291
292 BufferParams::Impl::Impl()
293         : defskip(VSpace::MEDSKIP), baseClass_(string(""))
294 {
295         // set initial author
296         // FIXME UNICODE
297         authorlist.record(Author(from_utf8(lyxrc.user_name), from_utf8(lyxrc.user_email)));
298 }
299
300
301 BufferParams::Impl *
302 BufferParams::MemoryTraits::clone(BufferParams::Impl const * ptr)
303 {
304         LASSERT(ptr, /**/);
305
306         return new BufferParams::Impl(*ptr);
307 }
308
309
310 void BufferParams::MemoryTraits::destroy(BufferParams::Impl * ptr)
311 {
312         delete ptr;
313 }
314
315
316 BufferParams::BufferParams()
317         : pimpl_(new Impl)
318 {
319         setBaseClass(defaultBaseclass());
320         makeDocumentClass();
321         paragraph_separation = ParagraphIndentSeparation;
322         quotes_language = InsetQuotes::EnglishQuotes;
323         fontsize = "default";
324
325         /*  PaperLayout */
326         papersize = PAPER_DEFAULT;
327         orientation = ORIENTATION_PORTRAIT;
328         use_geometry = false;
329         use_amsmath = package_auto;
330         use_esint = package_auto;
331         cite_engine_ = ENGINE_BASIC;
332         use_bibtopic = false;
333         trackChanges = false;
334         outputChanges = false;
335         secnumdepth = 3;
336         tocdepth = 3;
337         language = default_language;
338         fontsRoman = "default";
339         fontsSans = "default";
340         fontsTypewriter = "default";
341         fontsDefaultFamily = "default";
342         fontsSC = false;
343         fontsOSF = false;
344         fontsSansScale = 100;
345         fontsTypewriterScale = 100;
346         inputenc = "auto";
347         graphicsDriver = "default";
348         sides = OneSide;
349         columns = 1;
350         listings_params = string();
351         pagestyle = "default";
352         compressed = false;
353         for (int iter = 0; iter < 4; ++iter) {
354                 user_defined_bullet(iter) = ITEMIZE_DEFAULTS[iter];
355                 temp_bullet(iter) = ITEMIZE_DEFAULTS[iter];
356         }
357 }
358
359
360 docstring BufferParams::B_(string const & l10n) const
361 {
362         LASSERT(language, /**/);
363         return getMessages(language->code()).get(l10n);
364 }
365
366
367 AuthorList & BufferParams::authors()
368 {
369         return pimpl_->authorlist;
370 }
371
372
373 AuthorList const & BufferParams::authors() const
374 {
375         return pimpl_->authorlist;
376 }
377
378
379 BranchList & BufferParams::branchlist()
380 {
381         return pimpl_->branchlist;
382 }
383
384
385 BranchList const & BufferParams::branchlist() const
386 {
387         return pimpl_->branchlist;
388 }
389
390
391 Bullet & BufferParams::temp_bullet(lyx::size_type const index)
392 {
393         LASSERT(index < 4, /**/);
394         return pimpl_->temp_bullets[index];
395 }
396
397
398 Bullet const & BufferParams::temp_bullet(lyx::size_type const index) const
399 {
400         LASSERT(index < 4, /**/);
401         return pimpl_->temp_bullets[index];
402 }
403
404
405 Bullet & BufferParams::user_defined_bullet(lyx::size_type const index)
406 {
407         LASSERT(index < 4, /**/);
408         return pimpl_->user_defined_bullets[index];
409 }
410
411
412 Bullet const & BufferParams::user_defined_bullet(lyx::size_type const index) const
413 {
414         LASSERT(index < 4, /**/);
415         return pimpl_->user_defined_bullets[index];
416 }
417
418
419 Spacing & BufferParams::spacing()
420 {
421         return pimpl_->spacing;
422 }
423
424
425 Spacing const & BufferParams::spacing() const
426 {
427         return pimpl_->spacing;
428 }
429
430
431 PDFOptions & BufferParams::pdfoptions()
432 {
433         return pimpl_->pdfoptions;
434 }
435
436
437 PDFOptions const & BufferParams::pdfoptions() const
438 {
439         return pimpl_->pdfoptions;
440 }
441
442
443 VSpace const & BufferParams::getDefSkip() const
444 {
445         return pimpl_->defskip;
446 }
447
448
449 void BufferParams::setDefSkip(VSpace const & vs)
450 {
451         pimpl_->defskip = vs;
452 }
453
454
455 string BufferParams::readToken(Lexer & lex, string const & token,
456         FileName const & filepath)
457 {
458         if (token == "\\textclass") {
459                 lex.next();
460                 string const classname = lex.getString();
461                 // if there exists a local layout file, ignore the system one
462                 // NOTE: in this case, the textclass (.cls file) is assumed to be available.
463                 string tcp;
464                 LayoutFileList & bcl = LayoutFileList::get();
465                 if (tcp.empty() && !filepath.empty())
466                         tcp = bcl.addLayoutFile(classname, filepath.absFilename(), LayoutFileList::Local);
467                 if (!tcp.empty())
468                         setBaseClass(tcp);
469                 else if (bcl.haveClass(classname)) {
470                         setBaseClass(classname);
471                 } else {
472                         // a warning will be given for unknown class
473                         setBaseClass(defaultBaseclass());
474                         return classname;
475                 }
476                 // FIXME: this warning will be given even if there exists a local .cls
477                 // file. Even worse, the .lyx file can not be compiled or exported
478                 // because the textclass is marked as unavilable.
479                 if (!baseClass()->isTeXClassAvailable()) {
480                         docstring const msg =
481                                 bformat(_("The layout file requested by this document,\n"
482                                                  "%1$s.layout,\n"
483                                                  "is not usable. This is probably because a LaTeX\n"
484                                                  "class or style file required by it is not\n"
485                                                  "available. See the Customization documentation\n"
486                                                  "for more information.\n"), from_utf8(classname));
487                         frontend::Alert::warning(_("Document class not available"),
488                                        msg + _("LyX will not be able to produce output."));
489                 } 
490                 
491         } else if (token == "\\begin_preamble") {
492                 readPreamble(lex);
493         } else if (token == "\\begin_local_layout") {
494                 readLocalLayout(lex);
495         } else if (token == "\\begin_modules") {
496                 readModules(lex);
497         } else if (token == "\\options") {
498                 lex.eatLine();
499                 options = lex.getString();
500         } else if (token == "\\master") {
501                 lex.eatLine();
502                 master = lex.getString();
503         } else if (token == "\\language") {
504                 readLanguage(lex);
505         } else if (token == "\\inputencoding") {
506                 lex >> inputenc;
507         } else if (token == "\\graphics") {
508                 readGraphicsDriver(lex);
509         } else if (token == "\\font_roman") {
510                 lex >> fontsRoman;
511         } else if (token == "\\font_sans") {
512                 lex >> fontsSans;
513         } else if (token == "\\font_typewriter") {
514                 lex >> fontsTypewriter;
515         } else if (token == "\\font_default_family") {
516                 lex >> fontsDefaultFamily;
517         } else if (token == "\\font_sc") {
518                 lex >> fontsSC;
519         } else if (token == "\\font_osf") {
520                 lex >> fontsOSF;
521         } else if (token == "\\font_sf_scale") {
522                 lex >> fontsSansScale;
523         } else if (token == "\\font_tt_scale") {
524                 lex >> fontsTypewriterScale;
525         } else if (token == "\\paragraph_separation") {
526                 string parsep;
527                 lex >> parsep;
528                 paragraph_separation = parseptranslator().find(parsep);
529         } else if (token == "\\defskip") {
530                 lex.next();
531                 string defskip = lex.getString();
532                 if (defskip == "defskip")
533                         // this is invalid
534                         defskip = "medskip";
535                 pimpl_->defskip = VSpace(defskip);
536         } else if (token == "\\quotes_language") {
537                 string quotes_lang;
538                 lex >> quotes_lang;
539                 quotes_language = quoteslangtranslator().find(quotes_lang);
540         } else if (token == "\\papersize") {
541                 string ppsize;
542                 lex >> ppsize;
543                 papersize = papersizetranslator().find(ppsize);
544         } else if (token == "\\use_geometry") {
545                 lex >> use_geometry;
546         } else if (token == "\\use_amsmath") {
547                 int use_ams;
548                 lex >> use_ams;
549                 use_amsmath = packagetranslator().find(use_ams);
550         } else if (token == "\\use_esint") {
551                 int useesint;
552                 lex >> useesint;
553                 use_esint = packagetranslator().find(useesint);
554         } else if (token == "\\cite_engine") {
555                 string engine;
556                 lex >> engine;
557                 cite_engine_ = citeenginetranslator().find(engine);
558         } else if (token == "\\use_bibtopic") {
559                 lex >> use_bibtopic;
560         } else if (token == "\\tracking_changes") {
561                 lex >> trackChanges;
562         } else if (token == "\\output_changes") {
563                 lex >> outputChanges;
564         } else if (token == "\\branch") {
565                 lex.next();
566                 docstring branch = lex.getDocString();
567                 branchlist().add(branch);
568                 while (true) {
569                         lex.next();
570                         string const tok = lex.getString();
571                         if (tok == "\\end_branch")
572                                 break;
573                         Branch * branch_ptr = branchlist().find(branch);
574                         if (tok == "\\selected") {
575                                 lex.next();
576                                 if (branch_ptr)
577                                         branch_ptr->setSelected(lex.getInteger());
578                         }
579                         // not yet operational
580                         if (tok == "\\color") {
581                                 lex.eatLine();
582                                 string color = lex.getString();
583                                 if (branch_ptr)
584                                         branch_ptr->setColor(color);
585                                 // Update also the Color table:
586                                 if (color == "none")
587                                         color = lcolor.getX11Name(Color_background);
588                                 // FIXME UNICODE
589                                 lcolor.setColor(to_utf8(branch), color);
590
591                         }
592                 }
593         } else if (token == "\\author") {
594                 lex.eatLine();
595                 istringstream ss(lex.getString());
596                 Author a;
597                 ss >> a;
598                 author_map.push_back(pimpl_->authorlist.record(a));
599         } else if (token == "\\paperorientation") {
600                 string orient;
601                 lex >> orient;
602                 orientation = paperorientationtranslator().find(orient);
603         } else if (token == "\\paperwidth") {
604                 lex >> paperwidth;
605         } else if (token == "\\paperheight") {
606                 lex >> paperheight;
607         } else if (token == "\\leftmargin") {
608                 lex >> leftmargin;
609         } else if (token == "\\topmargin") {
610                 lex >> topmargin;
611         } else if (token == "\\rightmargin") {
612                 lex >> rightmargin;
613         } else if (token == "\\bottommargin") {
614                 lex >> bottommargin;
615         } else if (token == "\\headheight") {
616                 lex >> headheight;
617         } else if (token == "\\headsep") {
618                 lex >> headsep;
619         } else if (token == "\\footskip") {
620                 lex >> footskip;
621         } else if (token == "\\columnsep") {
622                 lex >> columnsep;
623         } else if (token == "\\paperfontsize") {
624                 lex >> fontsize;
625         } else if (token == "\\papercolumns") {
626                 lex >> columns;
627         } else if (token == "\\listings_params") {
628                 string par;
629                 lex >> par;
630                 listings_params = InsetListingsParams(par).params();
631         } else if (token == "\\papersides") {
632                 int psides;
633                 lex >> psides;
634                 sides = sidestranslator().find(psides);
635         } else if (token == "\\paperpagestyle") {
636                 lex >> pagestyle;
637         } else if (token == "\\bullet") {
638                 readBullets(lex);
639         } else if (token == "\\bulletLaTeX") {
640                 readBulletsLaTeX(lex);
641         } else if (token == "\\secnumdepth") {
642                 lex >> secnumdepth;
643         } else if (token == "\\tocdepth") {
644                 lex >> tocdepth;
645         } else if (token == "\\spacing") {
646                 string nspacing;
647                 lex >> nspacing;
648                 string tmp_val;
649                 if (nspacing == "other") {
650                         lex >> tmp_val;
651                 }
652                 spacing().set(spacetranslator().find(nspacing), tmp_val);
653         } else if (token == "\\float_placement") {
654                 lex >> float_placement;
655
656         } else if (prefixIs(token, "\\pdf_") || token == "\\use_hyperref") {
657                 string toktmp = pdfoptions().readToken(lex, token);
658                 if (!toktmp.empty()) {
659                         lyxerr << "PDFOptions::readToken(): Unknown token: " <<
660                                 toktmp << endl;
661                         return toktmp;
662                 }
663         } else {
664                 lyxerr << "BufferParams::readToken(): Unknown token: " << 
665                         token << endl;
666                 return token;
667         }
668
669         return string();
670 }
671
672
673 void BufferParams::writeFile(ostream & os) const
674 {
675         // The top of the file is written by the buffer.
676         // Prints out the buffer info into the .lyx file given by file
677
678         // the textclass
679         os << "\\textclass " << baseClass()->name() << '\n';
680
681         // then the preamble
682         if (!preamble.empty()) {
683                 // remove '\n' from the end of preamble
684                 string const tmppreamble = rtrim(preamble, "\n");
685                 os << "\\begin_preamble\n"
686                    << tmppreamble
687                    << "\n\\end_preamble\n";
688         }
689
690         // the options
691         if (!options.empty()) {
692                 os << "\\options " << options << '\n';
693         }
694
695         // the master document
696         if (!master.empty()) {
697                 os << "\\master " << master << '\n';
698         }
699         
700         //the modules
701         if (!layoutModules_.empty()) {
702                 os << "\\begin_modules" << '\n';
703                 LayoutModuleList::const_iterator it = layoutModules_.begin();
704                 for (; it != layoutModules_.end(); it++)
705                         os << *it << '\n';
706                 os << "\\end_modules" << '\n';
707         }
708
709         // local layout information
710         if (!local_layout.empty()) {
711                 // remove '\n' from the end 
712                 string const tmplocal = rtrim(local_layout, "\n");
713                 os << "\\begin_local_layout\n"
714                    << tmplocal
715                    << "\n\\end_local_layout\n";
716         }
717
718         // then the text parameters
719         if (language != ignore_language)
720                 os << "\\language " << language->lang() << '\n';
721         os << "\\inputencoding " << inputenc
722            << "\n\\font_roman " << fontsRoman
723            << "\n\\font_sans " << fontsSans
724            << "\n\\font_typewriter " << fontsTypewriter
725            << "\n\\font_default_family " << fontsDefaultFamily
726            << "\n\\font_sc " << convert<string>(fontsSC)
727            << "\n\\font_osf " << convert<string>(fontsOSF)
728            << "\n\\font_sf_scale " << fontsSansScale
729            << "\n\\font_tt_scale " << fontsTypewriterScale
730            << "\n\\graphics " << graphicsDriver << '\n';
731
732         if (!float_placement.empty()) {
733                 os << "\\float_placement " << float_placement << '\n';
734         }
735         os << "\\paperfontsize " << fontsize << '\n';
736
737         spacing().writeFile(os);
738         pdfoptions().writeFile(os);
739
740         os << "\\papersize " << string_papersize[papersize]
741            << "\n\\use_geometry " << convert<string>(use_geometry)
742            << "\n\\use_amsmath " << use_amsmath
743            << "\n\\use_esint " << use_esint
744            << "\n\\cite_engine " << citeenginetranslator().find(cite_engine_)
745            << "\n\\use_bibtopic " << convert<string>(use_bibtopic)
746            << "\n\\paperorientation " << string_orientation[orientation]
747            << '\n';
748
749         BranchList::const_iterator it = branchlist().begin();
750         BranchList::const_iterator end = branchlist().end();
751         for (; it != end; ++it) {
752                 os << "\\branch " << to_utf8(it->getBranch())
753                    << "\n\\selected " << it->getSelected()
754                    << "\n\\color " << lyx::X11hexname(it->getColor())
755                    << "\n\\end_branch"
756                    << "\n";
757         }
758
759         if (!paperwidth.empty())
760                 os << "\\paperwidth "
761                    << VSpace(paperwidth).asLyXCommand() << '\n';
762         if (!paperheight.empty())
763                 os << "\\paperheight "
764                    << VSpace(paperheight).asLyXCommand() << '\n';
765         if (!leftmargin.empty())
766                 os << "\\leftmargin "
767                    << VSpace(leftmargin).asLyXCommand() << '\n';
768         if (!topmargin.empty())
769                 os << "\\topmargin "
770                    << VSpace(topmargin).asLyXCommand() << '\n';
771         if (!rightmargin.empty())
772                 os << "\\rightmargin "
773                    << VSpace(rightmargin).asLyXCommand() << '\n';
774         if (!bottommargin.empty())
775                 os << "\\bottommargin "
776                    << VSpace(bottommargin).asLyXCommand() << '\n';
777         if (!headheight.empty())
778                 os << "\\headheight "
779                    << VSpace(headheight).asLyXCommand() << '\n';
780         if (!headsep.empty())
781                 os << "\\headsep "
782                    << VSpace(headsep).asLyXCommand() << '\n';
783         if (!footskip.empty())
784                 os << "\\footskip "
785                    << VSpace(footskip).asLyXCommand() << '\n';
786         if (!columnsep.empty())
787                 os << "\\columnsep " 
788                          << VSpace(columnsep).asLyXCommand() << '\n';
789         os << "\\secnumdepth " << secnumdepth
790            << "\n\\tocdepth " << tocdepth
791            << "\n\\paragraph_separation "
792            << string_paragraph_separation[paragraph_separation]
793            << "\n\\defskip " << getDefSkip().asLyXCommand()
794            << "\n\\quotes_language "
795            << string_quotes_language[quotes_language]
796            << "\n\\papercolumns " << columns
797            << "\n\\papersides " << sides
798            << "\n\\paperpagestyle " << pagestyle << '\n';
799         if (!listings_params.empty())
800                 os << "\\listings_params \"" <<
801                         InsetListingsParams(listings_params).encodedString() << "\"\n";
802         for (int i = 0; i < 4; ++i) {
803                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
804                         if (user_defined_bullet(i).getFont() != -1) {
805                                 os << "\\bullet " << i << " "
806                                    << user_defined_bullet(i).getFont() << " "
807                                    << user_defined_bullet(i).getCharacter() << " "
808                                    << user_defined_bullet(i).getSize() << "\n";
809                         }
810                         else {
811                                 // FIXME UNICODE
812                                 os << "\\bulletLaTeX " << i << " \""
813                                    << lyx::to_ascii(user_defined_bullet(i).getText())
814                                    << "\"\n";
815                         }
816                 }
817         }
818
819         os << "\\tracking_changes " << convert<string>(trackChanges) << "\n";
820         os << "\\output_changes " << convert<string>(outputChanges) << "\n";
821
822         AuthorList::Authors::const_iterator a_it = pimpl_->authorlist.begin();
823         AuthorList::Authors::const_iterator a_end = pimpl_->authorlist.end();
824         for (; a_it != a_end; ++a_it) {
825                 if (a_it->second.used())
826                         os << "\\author " << a_it->second << "\n";
827                 else
828                         os << "\\author " << Author() << "\n";
829         }
830 }
831
832
833 void BufferParams::validate(LaTeXFeatures & features) const
834 {
835         features.require(documentClass().requires());
836
837         if (outputChanges) {
838                 bool dvipost    = LaTeXFeatures::isAvailable("dvipost");
839                 bool xcolorsoul = LaTeXFeatures::isAvailable("soul") &&
840                                   LaTeXFeatures::isAvailable("xcolor");
841
842                 switch (features.runparams().flavor) {
843                 case OutputParams::LATEX:
844                         if (dvipost) {
845                                 features.require("ct-dvipost");
846                                 features.require("dvipost");
847                         } else if (xcolorsoul) {
848                                 features.require("ct-xcolor-soul");
849                                 features.require("soul");
850                                 features.require("xcolor");
851                         } else {
852                                 features.require("ct-none");
853                         }
854                         break;
855                 case OutputParams::PDFLATEX:
856                         if (xcolorsoul) {
857                                 features.require("ct-xcolor-soul");
858                                 features.require("soul");
859                                 features.require("xcolor");
860                                 // improves color handling in PDF output
861                                 features.require("pdfcolmk"); 
862                         } else {
863                                 features.require("ct-none");
864                         }
865                         break;
866                 default:
867                         break;
868                 }
869         }
870
871         // Floats with 'Here definitely' as default setting.
872         if (float_placement.find('H') != string::npos)
873                 features.require("float");
874
875         // AMS Style is at document level
876         if (use_amsmath == package_on
877             || documentClass().provides("amsmath"))
878                 features.require("amsmath");
879         if (use_esint == package_on)
880                 features.require("esint");
881
882         // Document-level line spacing
883         if (spacing().getSpace() != Spacing::Single && !spacing().isDefault())
884                 features.require("setspace");
885
886         // the bullet shapes are buffer level not paragraph level
887         // so they are tested here
888         for (int i = 0; i < 4; ++i) {
889                 if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i]) 
890                         continue;
891                 int const font = user_defined_bullet(i).getFont();
892                 if (font == 0) {
893                         int const c = user_defined_bullet(i).getCharacter();
894                         if (c == 16
895                             || c == 17
896                             || c == 25
897                             || c == 26
898                             || c == 31) {
899                                 features.require("latexsym");
900                         }
901                 } else if (font == 1) {
902                         features.require("amssymb");
903                 } else if (font >= 2 && font <= 5) {
904                         features.require("pifont");
905                 }
906         }
907
908         if (pdfoptions().use_hyperref)
909                 features.require("hyperref");
910 }
911
912
913 bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
914                               TexRow & texrow) const
915 {
916         os << "\\documentclass";
917
918         DocumentClass const & tclass = documentClass();
919
920         ostringstream clsoptions; // the document class options.
921
922         if (tokenPos(tclass.opt_fontsize(),
923                      '|', fontsize) >= 0) {
924                 // only write if existing in list (and not default)
925                 clsoptions << fontsize << "pt,";
926         }
927
928         // custom, A3, B3 and B4 paper sizes need geometry
929         bool nonstandard_papersize = papersize == PAPER_B3
930                 || papersize == PAPER_B4
931                 || papersize == PAPER_A3
932                 || papersize == PAPER_CUSTOM;
933
934         if (!use_geometry) {
935                 switch (papersize) {
936                 case PAPER_A4:
937                         clsoptions << "a4paper,";
938                         break;
939                 case PAPER_USLETTER:
940                         clsoptions << "letterpaper,";
941                         break;
942                 case PAPER_A5:
943                         clsoptions << "a5paper,";
944                         break;
945                 case PAPER_B5:
946                         clsoptions << "b5paper,";
947                         break;
948                 case PAPER_USEXECUTIVE:
949                         clsoptions << "executivepaper,";
950                         break;
951                 case PAPER_USLEGAL:
952                         clsoptions << "legalpaper,";
953                         break;
954                 case PAPER_DEFAULT:
955                 case PAPER_A3:
956                 case PAPER_B3:
957                 case PAPER_B4:
958                 case PAPER_CUSTOM:
959                         break;
960                 }
961         }
962
963         // if needed
964         if (sides != tclass.sides()) {
965                 switch (sides) {
966                 case OneSide:
967                         clsoptions << "oneside,";
968                         break;
969                 case TwoSides:
970                         clsoptions << "twoside,";
971                         break;
972                 }
973         }
974
975         // if needed
976         if (columns != tclass.columns()) {
977                 if (columns == 2)
978                         clsoptions << "twocolumn,";
979                 else
980                         clsoptions << "onecolumn,";
981         }
982
983         if (!use_geometry
984             && orientation == ORIENTATION_LANDSCAPE)
985                 clsoptions << "landscape,";
986
987         // language should be a parameter to \documentclass
988         if (language->babel() == "hebrew"
989             && default_language->babel() != "hebrew")
990                 // This seems necessary
991                 features.useLanguage(default_language);
992
993         ostringstream language_options;
994         bool const use_babel = features.useBabel();
995         if (use_babel) {
996                 language_options << features.getLanguages();
997                 if (!language->babel().empty()) {
998                         if (!language_options.str().empty())
999                                 language_options << ',';
1000                         language_options << language->babel();
1001                 }
1002                 // when Vietnamese is used, babel must directly be loaded with the
1003                 // language options, not in the class options, see
1004                 // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129417.html
1005                 size_t viet = language_options.str().find("vietnam");
1006                 // viet = string::npos when not found
1007                 // when Japanese is used, babel must directly be loaded with the
1008                 // language options, not in the class options, see
1009                 // http://bugzilla.lyx.org/show_bug.cgi?id=4597#c4
1010                 size_t japan = language_options.str().find("japanese");
1011                 // japan = string::npos when not found
1012                 if (lyxrc.language_global_options && !language_options.str().empty()
1013                         && viet == string::npos && japan == string::npos)
1014                         clsoptions << language_options.str() << ',';
1015         }
1016
1017         // the user-defined options
1018         if (!options.empty()) {
1019                 clsoptions << options << ',';
1020         }
1021
1022         string strOptions(clsoptions.str());
1023         if (!strOptions.empty()) {
1024                 strOptions = rtrim(strOptions, ",");
1025                 // FIXME UNICODE
1026                 os << '[' << from_utf8(strOptions) << ']';
1027         }
1028
1029         os << '{' << from_ascii(tclass.latexname()) << "}\n";
1030         texrow.newline();
1031         // end of \documentclass defs
1032
1033         // font selection must be done before loading fontenc.sty
1034         string const fonts =
1035                 loadFonts(fontsRoman, fontsSans,
1036                           fontsTypewriter, fontsSC, fontsOSF,
1037                           fontsSansScale, fontsTypewriterScale);
1038         if (!fonts.empty()) {
1039                 os << from_ascii(fonts);
1040                 texrow.newline();
1041         }
1042         if (fontsDefaultFamily != "default")
1043                 os << "\\renewcommand{\\familydefault}{\\"
1044                    << from_ascii(fontsDefaultFamily) << "}\n";
1045
1046         // set font encoding
1047         // this one is not per buffer
1048         // for arabic_arabi and farsi we also need to load the LAE and LFE encoding
1049         if (lyxrc.fontenc != "default") {
1050                 if (language->lang() == "arabic_arabi" || language->lang() == "farsi") {
1051                         os << "\\usepackage[" << from_ascii(lyxrc.fontenc)
1052                            << ",LFE,LAE]{fontenc}\n";
1053                         texrow.newline();
1054                 } else {
1055                         os << "\\usepackage[" << from_ascii(lyxrc.fontenc)
1056                            << "]{fontenc}\n";
1057                         texrow.newline();
1058                 }
1059         }
1060
1061         // handle inputenc etc.
1062         writeEncodingPreamble(os, features, texrow);
1063
1064         if (!listings_params.empty()) {
1065                 os << "\\usepackage{listings}\n";
1066                 texrow.newline();
1067                 os << "\\lstset{";
1068                 // do not test validity because listings_params is supposed to be valid
1069                 string par = InsetListingsParams(listings_params).separatedParams(true);
1070                 os << from_ascii(par);
1071                 // count the number of newlines
1072                 for (size_t i = 0; i < par.size(); ++i)
1073                         if (par[i] == '\n')
1074                                 texrow.newline();
1075                 os << "}\n";
1076                 texrow.newline();
1077         }
1078         if (use_geometry || nonstandard_papersize) {
1079                 os << "\\usepackage{geometry}\n";
1080                 texrow.newline();
1081                 os << "\\geometry{verbose";
1082                 if (orientation == ORIENTATION_LANDSCAPE)
1083                         os << ",landscape";
1084                 switch (papersize) {
1085                 case PAPER_CUSTOM:
1086                         if (!paperwidth.empty())
1087                                 os << ",paperwidth="
1088                                    << from_ascii(paperwidth);
1089                         if (!paperheight.empty())
1090                                 os << ",paperheight="
1091                                    << from_ascii(paperheight);
1092                         break;
1093                 case PAPER_USLETTER:
1094                         os << ",letterpaper";
1095                         break;
1096                 case PAPER_USLEGAL:
1097                         os << ",legalpaper";
1098                         break;
1099                 case PAPER_USEXECUTIVE:
1100                         os << ",executivepaper";
1101                         break;
1102                 case PAPER_A3:
1103                         os << ",a3paper";
1104                         break;
1105                 case PAPER_A4:
1106                         os << ",a4paper";
1107                         break;
1108                 case PAPER_A5:
1109                         os << ",a5paper";
1110                         break;
1111                 case PAPER_B3:
1112                         os << ",b3paper";
1113                         break;
1114                 case PAPER_B4:
1115                         os << ",b4paper";
1116                         break;
1117                 case PAPER_B5:
1118                         os << ",b5paper";
1119                         break;
1120                 default:
1121                         // default papersize ie PAPER_DEFAULT
1122                         switch (lyxrc.default_papersize) {
1123                         case PAPER_DEFAULT: // keep compiler happy
1124                         case PAPER_USLETTER:
1125                                 os << ",letterpaper";
1126                                 break;
1127                         case PAPER_USLEGAL:
1128                                 os << ",legalpaper";
1129                                 break;
1130                         case PAPER_USEXECUTIVE:
1131                                 os << ",executivepaper";
1132                                 break;
1133                         case PAPER_A3:
1134                                 os << ",a3paper";
1135                                 break;
1136                         case PAPER_A4:
1137                                 os << ",a4paper";
1138                                 break;
1139                         case PAPER_A5:
1140                                 os << ",a5paper";
1141                                 break;
1142                         case PAPER_B5:
1143                                 os << ",b5paper";
1144                                 break;
1145                         case PAPER_B3:
1146                         case PAPER_B4:
1147                         case PAPER_CUSTOM:
1148                                 break;
1149                         }
1150                 }
1151                 if (!topmargin.empty())
1152                         os << ",tmargin=" << from_ascii(Length(topmargin).asLatexString());
1153                 if (!bottommargin.empty())
1154                         os << ",bmargin=" << from_ascii(Length(bottommargin).asLatexString());
1155                 if (!leftmargin.empty())
1156                         os << ",lmargin=" << from_ascii(Length(leftmargin).asLatexString());
1157                 if (!rightmargin.empty())
1158                         os << ",rmargin=" << from_ascii(Length(rightmargin).asLatexString());
1159                 if (!headheight.empty())
1160                         os << ",headheight=" << from_ascii(Length(headheight).asLatexString());
1161                 if (!headsep.empty())
1162                         os << ",headsep=" << from_ascii(Length(headsep).asLatexString());
1163                 if (!footskip.empty())
1164                         os << ",footskip=" << from_ascii(Length(footskip).asLatexString());
1165                 if (!columnsep.empty())
1166                         os << ",columnsep=" << from_ascii(Length(columnsep).asLatexString());
1167                 os << "}\n";
1168                 texrow.newline();
1169         }
1170
1171         if (tokenPos(tclass.opt_pagestyle(),
1172                      '|', pagestyle) >= 0) {
1173                 if (pagestyle == "fancy") {
1174                         os << "\\usepackage{fancyhdr}\n";
1175                         texrow.newline();
1176                 }
1177                 os << "\\pagestyle{" << from_ascii(pagestyle) << "}\n";
1178                 texrow.newline();
1179         }
1180
1181         // Only if class has a ToC hierarchy
1182         if (tclass.hasTocLevels()) {
1183                 if (secnumdepth != tclass.secnumdepth()) {
1184                         os << "\\setcounter{secnumdepth}{"
1185                            << secnumdepth
1186                            << "}\n";
1187                         texrow.newline();
1188                 }
1189                 if (tocdepth != tclass.tocdepth()) {
1190                         os << "\\setcounter{tocdepth}{"
1191                            << tocdepth
1192                            << "}\n";
1193                         texrow.newline();
1194                 }
1195         }
1196
1197         if (paragraph_separation) {
1198                 switch (getDefSkip().kind()) {
1199                 case VSpace::SMALLSKIP:
1200                         os << "\\setlength{\\parskip}{\\smallskipamount}\n";
1201                         break;
1202                 case VSpace::MEDSKIP:
1203                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1204                         break;
1205                 case VSpace::BIGSKIP:
1206                         os << "\\setlength{\\parskip}{\\bigskipamount}\n";
1207                         break;
1208                 case VSpace::LENGTH:
1209                         os << "\\setlength{\\parskip}{"
1210                            << from_utf8(getDefSkip().length().asLatexString())
1211                            << "}\n";
1212                         break;
1213                 default: // should never happen // Then delete it.
1214                         os << "\\setlength{\\parskip}{\\medskipamount}\n";
1215                         break;
1216                 }
1217                 texrow.newline();
1218
1219                 os << "\\setlength{\\parindent}{0pt}\n";
1220                 texrow.newline();
1221         }
1222
1223         // If we use jurabib, we have to call babel here.
1224         if (use_babel && features.isRequired("jurabib")) {
1225                 os << from_ascii(babelCall(language_options.str()))
1226                    << '\n'
1227                    << from_ascii(features.getBabelOptions());
1228                 texrow.newline();
1229         }
1230
1231         // Now insert the LyX specific LaTeX commands...
1232
1233         // The optional packages;
1234         docstring lyxpreamble(from_ascii(features.getPackages()));
1235
1236         // Line spacing
1237         lyxpreamble += from_utf8(spacing().writePreamble(tclass.provides("SetSpace")));
1238
1239         // We try to load babel late, in case it interferes
1240         // with other packages. But some packages also need babel to be loaded
1241         // before, e.g. jurabib has to be called after babel.
1242         // So load babel after the optional packages but before the user-defined
1243         // preamble. This allows the users to redefine babel commands, e.g. to
1244         // translate the word "Index" to the German "Stichwortverzeichnis".
1245         // For more infos why this place was chosen, see
1246         // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg128425.html
1247         // If you encounter problems, you can shift babel to its old place behind
1248         // the user-defined preamble. But in this case you must change the Vietnamese
1249         // support from currently "\usepackage[vietnamese]{babel}" to:
1250         // \usepackage{vietnamese}
1251         // \usepackage{babel}
1252         // because vietnamese must be loaded before hyperref
1253         if (use_babel && !features.isRequired("jurabib")) {
1254                 // FIXME UNICODE
1255                 lyxpreamble += from_utf8(babelCall(language_options.str())) + '\n';
1256                 lyxpreamble += from_utf8(features.getBabelOptions());
1257         }
1258
1259         // PDF support.
1260         // * Hyperref manual: "Make sure it comes last of your loaded
1261         //   packages, to give it a fighting chance of not being over-written,
1262         //   since its job is to redefine many LATEX commands."
1263         // * Email from Heiko Oberdiek: "It is usually better to load babel
1264         //   before hyperref. Then hyperref has a chance to detect babel.
1265         // * Has to be loaded before the "LyX specific LaTeX commands" to
1266         //   avoid errors with algorithm floats.
1267         // use hyperref explicitely when it is required
1268         if (features.isRequired("hyperref")) {
1269                 odocstringstream oss;
1270                 pdfoptions().writeLaTeX(oss, documentClass().provides("hyperref"));
1271                 lyxpreamble += oss.str();
1272         }
1273
1274         // Will be surrounded by \makeatletter and \makeatother when needed
1275         docstring atlyxpreamble;
1276
1277         // Some macros LyX will need
1278         docstring tmppreamble(from_ascii(features.getMacros()));
1279
1280         if (!tmppreamble.empty())
1281                 atlyxpreamble += "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
1282                         "LyX specific LaTeX commands.\n"
1283                         + tmppreamble + '\n';
1284
1285         // the text class specific preamble
1286         tmppreamble = features.getTClassPreamble();
1287         if (!tmppreamble.empty())
1288                 atlyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
1289                         "Textclass specific LaTeX commands.\n"
1290                         + tmppreamble + '\n';
1291
1292         /* the user-defined preamble */
1293         if (!preamble.empty())
1294                 // FIXME UNICODE
1295                 atlyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
1296                         "User specified LaTeX commands.\n"
1297                         + from_utf8(preamble) + '\n';
1298
1299         // subfig loads internally the LaTeX package "caption". As caption is a very
1300         // popular package, users will load it in the preamble. Therefore we must load
1301         // subfig behind the user-defined preamble and check if the caption package
1302         // was loaded or not.
1303         // For the case that caption is loaded before subfig, there is the subfig
1304         // option "caption=false". This option also works when a koma-script class is
1305         // used and koma's own caption commands are used instead of caption.
1306         if (features.isRequired("subfig")) {
1307                 atlyxpreamble += "\\usepackage{subfig}\n";
1308                 atlyxpreamble += "\\@ifundefined{showcaptionsetup}{}{%\n"
1309                         " \\PassOptionsToPackage{caption=false}{subfig}}\n";
1310         }
1311
1312         // Itemize bullet settings need to be last in case the user
1313         // defines their own bullets that use a package included
1314         // in the user-defined preamble -- ARRae
1315         // Actually it has to be done much later than that
1316         // since some packages like frenchb make modifications
1317         // at \begin{document} time -- JMarc
1318         docstring bullets_def;
1319         for (int i = 0; i < 4; ++i) {
1320                 if (user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1321                         if (bullets_def.empty())
1322                                 bullets_def += "\\AtBeginDocument{\n";
1323                         bullets_def += "  \\def\\labelitemi";
1324                         switch (i) {
1325                                 // `i' is one less than the item to modify
1326                         case 0:
1327                                 break;
1328                         case 1:
1329                                 bullets_def += 'i';
1330                                 break;
1331                         case 2:
1332                                 bullets_def += "ii";
1333                                 break;
1334                         case 3:
1335                                 bullets_def += 'v';
1336                                 break;
1337                         }
1338                         bullets_def += '{' +
1339                                 user_defined_bullet(i).getText()
1340                                 + "}\n";
1341                 }
1342         }
1343
1344         if (!bullets_def.empty())
1345                 atlyxpreamble += bullets_def + "}\n\n";
1346
1347         if (atlyxpreamble.find(from_ascii("@")) != docstring::npos)
1348                 lyxpreamble += "\n\\makeatletter\n"
1349                         + atlyxpreamble + "\\makeatother\n\n";
1350         else
1351                 lyxpreamble += '\n' + atlyxpreamble;
1352
1353         int const nlines =
1354                 int(count(lyxpreamble.begin(), lyxpreamble.end(), '\n'));
1355         for (int j = 0; j != nlines; ++j) {
1356                 texrow.newline();
1357         }
1358
1359         os << lyxpreamble;
1360         return use_babel;
1361 }
1362
1363
1364 void BufferParams::useClassDefaults()
1365 {
1366         DocumentClass const & tclass = documentClass();
1367
1368         sides = tclass.sides();
1369         columns = tclass.columns();
1370         pagestyle = tclass.pagestyle();
1371         options = tclass.options();
1372         // Only if class has a ToC hierarchy
1373         if (tclass.hasTocLevels()) {
1374                 secnumdepth = tclass.secnumdepth();
1375                 tocdepth = tclass.tocdepth();
1376         }
1377 }
1378
1379
1380 bool BufferParams::hasClassDefaults() const
1381 {
1382         DocumentClass const & tclass = documentClass();
1383
1384         return sides == tclass.sides()
1385                 && columns == tclass.columns()
1386                 && pagestyle == tclass.pagestyle()
1387                 && options == tclass.options()
1388                 && secnumdepth == tclass.secnumdepth()
1389                 && tocdepth == tclass.tocdepth();
1390 }
1391
1392
1393 DocumentClass const & BufferParams::documentClass() const
1394 {
1395         return *doc_class_;
1396 }
1397
1398
1399 DocumentClass * BufferParams::documentClassPtr() const {
1400         return doc_class_;
1401 }
1402
1403
1404 void BufferParams::setDocumentClass(DocumentClass const * const tc) {
1405         // evil, but this function is evil
1406         doc_class_ = const_cast<DocumentClass *>(tc);
1407 }
1408
1409
1410 bool BufferParams::setBaseClass(string const & classname)
1411 {
1412         LYXERR(Debug::TCLASS, "setBaseClass: " << classname);
1413         LayoutFileList const & bcl = LayoutFileList::get();
1414         if (!bcl.haveClass(classname)) {
1415                 docstring s = 
1416                         bformat(_("The document class %1$s could not be found."),
1417                         from_utf8(classname));
1418                 frontend::Alert::error(_("Class not found"), s);
1419                 return false;
1420         }
1421
1422         if (bcl[classname].load()) {
1423                 pimpl_->baseClass_ = classname;
1424                 return true;
1425         }
1426         
1427         docstring s = 
1428                 bformat(_("The document class %1$s could not be loaded."),
1429                 from_utf8(classname));
1430         frontend::Alert::error(_("Could not load class"), s);
1431         return false;
1432 }
1433
1434
1435 LayoutFile const * BufferParams::baseClass() const
1436 {
1437         if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
1438                 return &(LayoutFileList::get()[pimpl_->baseClass_]);
1439         else 
1440                 return 0;
1441 }
1442
1443
1444 LayoutFileIndex const & BufferParams::baseClassID() const
1445 {
1446         return pimpl_->baseClass_;
1447 }
1448
1449
1450 void BufferParams::makeDocumentClass()
1451 {
1452         if (!baseClass())
1453                 return;
1454
1455         doc_class_ = &(DocumentClassBundle::get().newClass(*baseClass()));
1456         
1457         //FIXME It might be worth loading the children's modules here,
1458         //just as we load their bibliographies and such, instead of just 
1459         //doing a check in InsetInclude.
1460         LayoutModuleList::const_iterator it = layoutModules_.begin();
1461         for (; it != layoutModules_.end(); it++) {
1462                 string const modName = *it;
1463                 LyXModule * lm = moduleList[modName];
1464                 if (!lm) {
1465                         docstring const msg =
1466                                 bformat(_("The module %1$s has been requested by\n"
1467                                         "this document but has not been found in the list of\n"
1468                                         "available modules. If you recently installed it, you\n"
1469                                         "probably need to reconfigure LyX.\n"), from_utf8(modName));
1470                         frontend::Alert::warning(_("Module not available"),
1471                                         msg + _("Some layouts may not be available."));
1472                         LYXERR0("BufferParams::makeDocumentClass(): Module " <<
1473                                         modName << " requested but not found in module list.");
1474                         continue;
1475                 }
1476                 if (!lm->isAvailable()) {
1477                         docstring const msg =
1478                                                 bformat(_("The module %1$s requires a package that is\n"
1479                                                 "not available in your LaTeX installation. LaTeX output\n"
1480                                                 "may not be possible.\n"), from_utf8(modName));
1481                         frontend::Alert::warning(_("Package not available"), msg);
1482                 }
1483                 FileName layout_file = libFileSearch("layouts", lm->getFilename());
1484                 if (!doc_class_->read(layout_file, TextClass::MODULE)) {
1485                         docstring const msg =
1486                                 bformat(_("Error reading module %1$s\n"), from_utf8(modName));
1487                         frontend::Alert::warning(_("Read Error"), msg);
1488                 }
1489         }
1490         if (!local_layout.empty()) {
1491                 if (!doc_class_->read(local_layout, TextClass::MODULE)) {
1492                         docstring const msg = _("Error reading internal layout information");
1493                         frontend::Alert::warning(_("Read Error"), msg);
1494                 }
1495         }
1496 }
1497
1498
1499 vector<string> const & BufferParams::getModules() const 
1500 {
1501         return layoutModules_;
1502 }
1503
1504
1505
1506 bool BufferParams::addLayoutModule(string const & modName) 
1507 {
1508         LayoutModuleList::const_iterator it = layoutModules_.begin();
1509         LayoutModuleList::const_iterator end = layoutModules_.end();
1510         for (; it != end; it++)
1511                 if (*it == modName) 
1512                         return false;
1513         layoutModules_.push_back(modName);
1514         return true;
1515 }
1516
1517
1518 void BufferParams::clearLayoutModules() 
1519 {
1520         layoutModules_.clear();
1521 }
1522
1523
1524 Font const BufferParams::getFont() const
1525 {
1526         FontInfo f = documentClass().defaultfont();
1527         if (fontsDefaultFamily == "rmdefault")
1528                 f.setFamily(ROMAN_FAMILY);
1529         else if (fontsDefaultFamily == "sfdefault")
1530                 f.setFamily(SANS_FAMILY);
1531         else if (fontsDefaultFamily == "ttdefault")
1532                 f.setFamily(TYPEWRITER_FAMILY);
1533         return Font(f, language);
1534 }
1535
1536
1537 void BufferParams::readPreamble(Lexer & lex)
1538 {
1539         if (lex.getString() != "\\begin_preamble")
1540                 lyxerr << "Error (BufferParams::readPreamble):"
1541                         "consistency check failed." << endl;
1542
1543         preamble = lex.getLongString("\\end_preamble");
1544 }
1545
1546
1547 void BufferParams::readLocalLayout(Lexer & lex)
1548 {
1549         if (lex.getString() != "\\begin_local_layout")
1550                 lyxerr << "Error (BufferParams::readLocalLayout):"
1551                         "consistency check failed." << endl;
1552
1553         local_layout = lex.getLongString("\\end_local_layout");
1554 }
1555
1556
1557 void BufferParams::readLanguage(Lexer & lex)
1558 {
1559         if (!lex.next()) return;
1560
1561         string const tmptok = lex.getString();
1562
1563         // check if tmptok is part of tex_babel in tex-defs.h
1564         language = languages.getLanguage(tmptok);
1565         if (!language) {
1566                 // Language tmptok was not found
1567                 language = default_language;
1568                 lyxerr << "Warning: Setting language `"
1569                        << tmptok << "' to `" << language->lang()
1570                        << "'." << endl;
1571         }
1572 }
1573
1574
1575 void BufferParams::readGraphicsDriver(Lexer & lex)
1576 {
1577         if (!lex.next()) 
1578                 return;
1579
1580         string const tmptok = lex.getString();
1581         // check if tmptok is part of tex_graphics in tex_defs.h
1582         int n = 0;
1583         while (true) {
1584                 string const test = tex_graphics[n++];
1585
1586                 if (test == tmptok) {
1587                         graphicsDriver = tmptok;
1588                         break;
1589                 }
1590                 if (test.empty()) {
1591                         lex.printError(
1592                                 "Warning: graphics driver `$$Token' not recognized!\n"
1593                                 "         Setting graphics driver to `default'.\n");
1594                         graphicsDriver = "default";
1595                         break;
1596                 }
1597         }
1598 }
1599
1600
1601 void BufferParams::readBullets(Lexer & lex)
1602 {
1603         if (!lex.next()) 
1604                 return;
1605
1606         int const index = lex.getInteger();
1607         lex.next();
1608         int temp_int = lex.getInteger();
1609         user_defined_bullet(index).setFont(temp_int);
1610         temp_bullet(index).setFont(temp_int);
1611         lex >> temp_int;
1612         user_defined_bullet(index).setCharacter(temp_int);
1613         temp_bullet(index).setCharacter(temp_int);
1614         lex >> temp_int;
1615         user_defined_bullet(index).setSize(temp_int);
1616         temp_bullet(index).setSize(temp_int);
1617 }
1618
1619
1620 void BufferParams::readBulletsLaTeX(Lexer & lex)
1621 {
1622         // The bullet class should be able to read this.
1623         if (!lex.next()) 
1624                 return;
1625         int const index = lex.getInteger();
1626         lex.next(true);
1627         docstring const temp_str = lex.getDocString();
1628
1629         user_defined_bullet(index).setText(temp_str);
1630         temp_bullet(index).setText(temp_str);
1631 }
1632
1633
1634 void BufferParams::readModules(Lexer & lex)
1635 {
1636         if (!lex.eatLine()) {
1637                 lyxerr << "Error (BufferParams::readModules):"
1638                                 "Unexpected end of input." << endl;
1639                 return;
1640         }
1641         while (true) {
1642                 string mod = lex.getString();
1643                 if (mod == "\\end_modules")
1644                         break;
1645                 addLayoutModule(mod);
1646                 lex.eatLine();
1647         }
1648 }
1649
1650
1651 string BufferParams::paperSizeName(PapersizePurpose purpose) const
1652 {
1653         char real_papersize = papersize;
1654         if (real_papersize == PAPER_DEFAULT)
1655                 real_papersize = lyxrc.default_papersize;
1656
1657         switch (real_papersize) {
1658         case PAPER_DEFAULT:
1659                 // could be anything, so don't guess
1660                 return string();
1661         case PAPER_CUSTOM: {
1662                 if (purpose == XDVI && !paperwidth.empty() &&
1663                     !paperheight.empty()) {
1664                         // heightxwidth<unit>
1665                         string first = paperwidth;
1666                         string second = paperheight;
1667                         if (orientation == ORIENTATION_LANDSCAPE)
1668                                 first.swap(second);
1669                         // cut off unit.
1670                         return first.erase(first.length() - 2)
1671                                 + "x" + second;
1672                 }
1673                 return string();
1674         }
1675         case PAPER_A3:
1676                 return "a3";
1677         case PAPER_A4:
1678                 return "a4";
1679         case PAPER_A5:
1680                 return "a5";
1681         case PAPER_B3:
1682                 // dvips and dvipdfm do not know this
1683                 if (purpose == DVIPS || purpose == DVIPDFM)
1684                         return string();
1685                 return "b3";
1686         case PAPER_B4:
1687                 // dvipdfm does not know this
1688                 if (purpose == DVIPDFM)
1689                         return string();
1690                 return "b4";
1691         case PAPER_B5:
1692                 // dvipdfm does not know this
1693                 if (purpose == DVIPDFM)
1694                         return string();
1695                 return "b5";
1696         case PAPER_USEXECUTIVE:
1697                 // dvipdfm does not know this
1698                 if (purpose == DVIPDFM)
1699                         return string();
1700                 return "foolscap";
1701         case PAPER_USLEGAL:
1702                 return "legal";
1703         case PAPER_USLETTER:
1704         default:
1705                 if (purpose == XDVI)
1706                         return "us";
1707                 return "letter";
1708         }
1709 }
1710
1711
1712 string const BufferParams::dvips_options() const
1713 {
1714         string result;
1715
1716         if (use_geometry
1717             && papersize == PAPER_CUSTOM
1718             && !lyxrc.print_paper_dimension_flag.empty()
1719             && !paperwidth.empty()
1720             && !paperheight.empty()) {
1721                 // using a custom papersize
1722                 result = lyxrc.print_paper_dimension_flag;
1723                 result += ' ' + paperwidth;
1724                 result += ',' + paperheight;
1725         } else {
1726                 string const paper_option = paperSizeName(DVIPS);
1727                 if (!paper_option.empty() && (paper_option != "letter" ||
1728                     orientation != ORIENTATION_LANDSCAPE)) {
1729                         // dvips won't accept -t letter -t landscape.
1730                         // In all other cases, include the paper size
1731                         // explicitly.
1732                         result = lyxrc.print_paper_flag;
1733                         result += ' ' + paper_option;
1734                 }
1735         }
1736         if (orientation == ORIENTATION_LANDSCAPE &&
1737             papersize != PAPER_CUSTOM)
1738                 result += ' ' + lyxrc.print_landscape_flag;
1739         return result;
1740 }
1741
1742
1743 string BufferParams::babelCall(string const & lang_opts) const
1744 {
1745         string lang_pack = lyxrc.language_package;
1746         if (lang_pack != "\\usepackage{babel}")
1747                 return lang_pack;
1748         // suppress the babel call when there is no babel language defined
1749         // for the document language in the lib/languages file and if no
1750         // other languages are used (lang_opts is then empty)
1751         if (lang_opts.empty())
1752                 return string();
1753         // when Vietnamese is used, babel must directly be loaded with the
1754         // language options, see
1755         // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129417.html
1756         size_t viet = lang_opts.find("vietnam");
1757         // viet = string::npos when not found
1758         // when Japanese is used, babel must directly be loaded with the
1759         // language options, see
1760         // http://bugzilla.lyx.org/show_bug.cgi?id=4597#c4
1761         size_t japan = lang_opts.find("japanese");
1762         // japan = string::npos when not found
1763         if (!lyxrc.language_global_options || viet != string::npos || japan != string::npos)
1764                 return "\\usepackage[" + lang_opts + "]{babel}";
1765         return lang_pack;
1766 }
1767
1768
1769 void BufferParams::writeEncodingPreamble(odocstream & os,
1770                 LaTeXFeatures & features, TexRow & texrow) const
1771 {
1772         if (inputenc == "auto") {
1773                 string const doc_encoding =
1774                         language->encoding()->latexName();
1775                 Encoding::Package const package =
1776                         language->encoding()->package();
1777
1778                 // Create a list with all the input encodings used
1779                 // in the document
1780                 set<string> encodings =
1781                         features.getEncodingSet(doc_encoding);
1782
1783                 // When the encodings EUC-JP-plain, JIS-plain, or SJIS-plainare used, the
1784                 // package inputenc must be omitted. Therefore set the encoding to empty.
1785                 // see http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129680.html
1786                 if (doc_encoding == "EUC-JP-plain" || doc_encoding == "JIS-plain" ||
1787                         doc_encoding == "SJIS-plain")
1788                         encodings.clear();
1789
1790                 if (!encodings.empty() || package == Encoding::inputenc) {
1791                         os << "\\usepackage[";
1792                         set<string>::const_iterator it = encodings.begin();
1793                         set<string>::const_iterator const end = encodings.end();
1794                         if (it != end) {
1795                                 os << from_ascii(*it);
1796                                 ++it;
1797                         }
1798                         for (; it != end; ++it)
1799                                 os << ',' << from_ascii(*it);
1800                         if (package == Encoding::inputenc) {
1801                                 if (!encodings.empty())
1802                                         os << ',';
1803                                 os << from_ascii(doc_encoding);
1804                         }
1805                         os << "]{inputenc}\n";
1806                         texrow.newline();
1807                 }
1808                 if (package == Encoding::CJK || features.mustProvide("CJK")) {
1809                         os << "\\usepackage{CJK}\n";
1810                         texrow.newline();
1811                 }
1812         } else if (inputenc != "default") {
1813                 switch (encoding().package()) {
1814                 case Encoding::none:
1815                         break;
1816                 case Encoding::inputenc:
1817                         os << "\\usepackage[" << from_ascii(inputenc)
1818                            << "]{inputenc}\n";
1819                         texrow.newline();
1820                         break;
1821                 case Encoding::CJK:
1822                         os << "\\usepackage{CJK}\n";
1823                         texrow.newline();
1824                         break;
1825                 }
1826         }
1827
1828         // The encoding "armscii8" is only available when the package "armtex" is loaded.
1829         // armscii8 is used for Armenian.
1830         if (language->encoding()->latexName() == "armscii8" || inputenc == "armscii8") {
1831                 os << "\\usepackage{armtex}\n";
1832                 texrow.newline();
1833         }
1834 }
1835
1836
1837 string const BufferParams::loadFonts(string const & rm,
1838                                      string const & sf, string const & tt,
1839                                      bool const & sc, bool const & osf,
1840                                      int const & sfscale, int const & ttscale) const
1841 {
1842         /* The LaTeX font world is in a flux. In the PSNFSS font interface,
1843            several packages have been replaced by others, that might not
1844            be installed on every system. We have to take care for that
1845            (see psnfss.pdf). We try to support all psnfss fonts as well
1846            as the fonts that have become de facto standard in the LaTeX
1847            world (e.g. Latin Modern). We do not support obsolete fonts
1848            (like PSLatex). In general, it should be possible to mix any
1849            rm font with any sf or tt font, respectively. (JSpitzm)
1850            TODO:
1851                 -- separate math fonts.
1852         */
1853
1854         if (rm == "default" && sf == "default" && tt == "default")
1855                 //nothing to do
1856                 return string();
1857
1858         ostringstream os;
1859
1860         // ROMAN FONTS
1861         // Computer Modern (must be explicitely selectable -- there might be classes
1862         // that define a different default font!
1863         if (rm == "cmr") {
1864                 os << "\\renewcommand{\\rmdefault}{cmr}\n";
1865                 // osf for Computer Modern needs eco.sty
1866                 if (osf)
1867                         os << "\\usepackage{eco}\n";
1868         }
1869         // Latin Modern Roman
1870         else if (rm == "lmodern")
1871                 os << "\\usepackage{lmodern}\n";
1872         // AE
1873         else if (rm == "ae") {
1874                 // not needed when using OT1 font encoding.
1875                 if (lyxrc.fontenc != "default")
1876                         os << "\\usepackage{ae,aecompl}\n";
1877         }
1878         // Times
1879         else if (rm == "times") {
1880                 // try to load the best available package
1881                 if (LaTeXFeatures::isAvailable("mathptmx"))
1882                         os << "\\usepackage{mathptmx}\n";
1883                 else if (LaTeXFeatures::isAvailable("mathptm"))
1884                         os << "\\usepackage{mathptm}\n";
1885                 else
1886                         os << "\\usepackage{times}\n";
1887         }
1888         // Palatino
1889         else if (rm == "palatino") {
1890                 // try to load the best available package
1891                 if (LaTeXFeatures::isAvailable("mathpazo")) {
1892                         os << "\\usepackage";
1893                         if (osf || sc) {
1894                                 os << '[';
1895                                 if (!osf)
1896                                         os << "sc";
1897                                 else
1898                                         // "osf" includes "sc"!
1899                                         os << "osf";
1900                                 os << ']';
1901                         }
1902                         os << "{mathpazo}\n";
1903                 }
1904                 else if (LaTeXFeatures::isAvailable("mathpple"))
1905                         os << "\\usepackage{mathpple}\n";
1906                 else
1907                         os << "\\usepackage{palatino}\n";
1908         }
1909         // Utopia
1910         else if (rm == "utopia") {
1911                 // fourier supersedes utopia.sty, but does
1912                 // not work with OT1 encoding.
1913                 if (LaTeXFeatures::isAvailable("fourier")
1914                     && lyxrc.fontenc != "default") {
1915                         os << "\\usepackage";
1916                         if (osf || sc) {
1917                                 os << '[';
1918                                 if (sc)
1919                                         os << "expert";
1920                                 if (osf && sc)
1921                                         os << ',';
1922                                 if (osf)
1923                                         os << "oldstyle";
1924                                 os << ']';
1925                         }
1926                         os << "{fourier}\n";
1927                 }
1928                 else
1929                         os << "\\usepackage{utopia}\n";
1930         }
1931         // Bera (complete fontset)
1932         else if (rm == "bera" && sf == "default" && tt == "default")
1933                 os << "\\usepackage{bera}\n";
1934         // everything else
1935         else if (rm != "default")
1936                 os << "\\usepackage" << "{" << rm << "}\n";
1937
1938         // SANS SERIF
1939         // Helvetica, Bera Sans
1940         if (sf == "helvet" || sf == "berasans") {
1941                 if (sfscale != 100)
1942                         os << "\\usepackage[scaled=" << float(sfscale) / 100
1943                            << "]{" << sf << "}\n";
1944                 else
1945                         os << "\\usepackage{" << sf << "}\n";
1946         }
1947         // Avant Garde
1948         else if (sf == "avant")
1949                 os << "\\usepackage{" << sf << "}\n";
1950         // Computer Modern, Latin Modern, CM Bright
1951         else if (sf != "default")
1952                 os << "\\renewcommand{\\sfdefault}{" << sf << "}\n";
1953
1954         // monospaced/typewriter
1955         // Courier, LuxiMono
1956         if (tt == "luximono" || tt == "beramono") {
1957                 if (ttscale != 100)
1958                         os << "\\usepackage[scaled=" << float(ttscale) / 100
1959                            << "]{" << tt << "}\n";
1960                 else
1961                         os << "\\usepackage{" << tt << "}\n";
1962         }
1963         // Courier
1964         else if (tt == "courier" )
1965                 os << "\\usepackage{" << tt << "}\n";
1966         // Computer Modern, Latin Modern, CM Bright
1967         else if (tt != "default")
1968                 os << "\\renewcommand{\\ttdefault}{" << tt << "}\n";
1969
1970         return os.str();
1971 }
1972
1973
1974 Encoding const & BufferParams::encoding() const
1975 {
1976         if (inputenc == "auto" || inputenc == "default")
1977                 return *language->encoding();
1978         Encoding const * const enc = encodings.fromLaTeXName(inputenc);
1979         if (enc)
1980                 return *enc;
1981         LYXERR0("Unknown inputenc value `" << inputenc
1982                << "'. Using `auto' instead.");
1983         return *language->encoding();
1984 }
1985
1986
1987 CiteEngine BufferParams::citeEngine() const
1988 {
1989         // FIXME the class should provide the numerical/
1990         // authoryear choice
1991         if (documentClass().provides("natbib")
1992             && cite_engine_ != ENGINE_NATBIB_NUMERICAL)
1993                 return ENGINE_NATBIB_AUTHORYEAR;
1994         return cite_engine_;
1995 }
1996
1997
1998 void BufferParams::setCiteEngine(CiteEngine cite_engine)
1999 {
2000         cite_engine_ = cite_engine;
2001 }
2002
2003 } // namespace lyx