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1 /* This file is part of
2  * ======================================================
3  *
4  *           LyX, The Document Processor
5  *
6  *           Copyright 1995 Matthias Ettrich
7  *           Copyright 1995-2001 The LyX Team.
8  *
9  *           This file is Copyright 1996-2001
10  *           Lars Gullik Bjønnes
11  *
12  * ======================================================
13  */
14
15 #include <config.h>
16
17 #include "buffer.h"
18 #include "bufferlist.h"
19 #include "LyXAction.h"
20 #include "lyxrc.h"
21 #include "lyxlex.h"
22 #include "tex-strings.h"
23 #include "layout.h"
24 #include "bufferview_funcs.h"
25 #include "lyxfont.h"
26 #include "version.h"
27 #include "LaTeX.h"
28 #include "Chktex.h"
29 #include "debug.h"
30 #include "LaTeXFeatures.h"
31 #include "lyxtext.h"
32 #include "gettext.h"
33 #include "language.h"
34 #include "exporter.h"
35 #include "Lsstream.h"
36 #include "format.h"
37 #include "BufferView.h"
38 #include "ParagraphParameters.h"
39 #include "iterators.h"
40 #include "lyxtextclasslist.h"
41 #include "sgml.h"
42 #include "paragraph_funcs.h"
43 #include "author.h"
44
45 #include "frontends/LyXView.h"
46
47 #include "mathed/formulamacro.h"
48 #include "mathed/formula.h"
49
50 #include "insets/inset.h"
51 #include "insets/inseterror.h"
52 #include "insets/insetlabel.h"
53 #include "insets/insetref.h"
54 #include "insets/inseturl.h"
55 #include "insets/insetnote.h"
56 #include "insets/insetquotes.h"
57 #include "insets/insetlatexaccent.h"
58 #include "insets/insetbibitem.h"
59 #include "insets/insetbibtex.h"
60 #include "insets/insetcite.h"
61 #include "insets/insetexternal.h"
62 #include "insets/insetindex.h"
63 #include "insets/insetinclude.h"
64 #include "insets/insettoc.h"
65 #include "insets/insetparent.h"
66 #include "insets/insetspecialchar.h"
67 #include "insets/insettext.h"
68 #include "insets/insetert.h"
69 #include "insets/insetgraphics.h"
70 #include "insets/insetfoot.h"
71 #include "insets/insetmarginal.h"
72 #include "insets/insetoptarg.h"
73 #include "insets/insetminipage.h"
74 #include "insets/insetfloat.h"
75 #include "insets/insetwrap.h"
76 #include "insets/insettabular.h"
77 #if 0
78 #include "insets/insettheorem.h"
79 #include "insets/insetlist.h"
80 #endif
81 #include "insets/insetcaption.h"
82 #include "insets/insetfloatlist.h"
83
84 #include "frontends/Dialogs.h"
85 #include "frontends/Alert.h"
86
87 #include "graphics/Previews.h"
88
89 #include "support/textutils.h"
90 #include "support/filetools.h"
91 #include "support/path.h"
92 #include "support/os.h"
93 #include "support/lyxlib.h"
94 #include "support/FileInfo.h"
95 #include "support/lyxmanip.h"
96 #include "support/lyxtime.h"
97
98 #include <boost/bind.hpp>
99 #include <boost/tuple/tuple.hpp>
100 #include "BoostFormat.h"
101
102 #include <fstream>
103 #include <iomanip>
104 #include <map>
105 #include <stack>
106 #include <list>
107 #include <algorithm>
108
109 #include <cstdlib>
110 #include <cmath>
111 #include <unistd.h>
112 #include <sys/types.h>
113 #include <utime.h>
114
115 #ifdef HAVE_LOCALE
116 #include <locale>
117 #endif
118
119 #ifndef CXX_GLOBAL_CSTD
120 using std::pow;
121 #endif
122
123 using std::ostream;
124 using std::ofstream;
125 using std::ifstream;
126 using std::fstream;
127 using std::ios;
128 using std::setw;
129 using std::endl;
130 using std::pair;
131 using std::make_pair;
132 using std::vector;
133 using std::map;
134 using std::stack;
135 using std::list;
136 using std::for_each;
137
138 using lyx::pos_type;
139 using lyx::textclass_type;
140
141 // all these externs should eventually be removed.
142 extern BufferList bufferlist;
143
144 namespace {
145
146 const int LYX_FORMAT = 222;
147
148 } // namespace anon
149
150 Buffer::Buffer(string const & file, bool ronly)
151         : niceFile(true), lyx_clean(true), bak_clean(true),
152           unnamed(false), read_only(ronly),
153           filename_(file), users(0)
154 {
155         lyxerr[Debug::INFO] << "Buffer::Buffer()" << endl;
156         filepath_ = OnlyPath(file);
157         lyxvc.buffer(this);
158         if (read_only || lyxrc.use_tempdir) {
159                 tmppath = CreateBufferTmpDir();
160         } else {
161                 tmppath.erase();
162         }
163
164         // set initial author
165         authorlist.record(Author(lyxrc.user_name, lyxrc.user_email));
166 }
167
168
169 Buffer::~Buffer()
170 {
171         lyxerr[Debug::INFO] << "Buffer::~Buffer()" << endl;
172         // here the buffer should take care that it is
173         // saved properly, before it goes into the void.
174
175         // make sure that views using this buffer
176         // forgets it.
177         if (users)
178                 users->buffer(0);
179
180         if (!tmppath.empty()) {
181                 DestroyBufferTmpDir(tmppath);
182         }
183
184         paragraphs.clear();
185
186         // Remove any previewed LaTeX snippets assocoated with this buffer.
187         grfx::Previews::get().removeLoader(this);
188 }
189
190
191 string const Buffer::getLatexName(bool no_path) const
192 {
193         string const name = ChangeExtension(MakeLatexName(fileName()), ".tex");
194         if (no_path)
195                 return OnlyFilename(name);
196         else
197                 return name;
198 }
199
200
201 pair<Buffer::LogType, string> const Buffer::getLogName() const
202 {
203         string const filename = getLatexName(false);
204
205         if (filename.empty())
206                 return make_pair(Buffer::latexlog, string());
207
208         string path = OnlyPath(filename);
209
210         if (lyxrc.use_tempdir || !IsDirWriteable(path))
211                 path = tmppath;
212
213         string const fname = AddName(path,
214                                      OnlyFilename(ChangeExtension(filename,
215                                                                   ".log")));
216         string const bname =
217                 AddName(path, OnlyFilename(
218                         ChangeExtension(filename,
219                                         formats.extension("literate") + ".out")));
220
221         // If no Latex log or Build log is newer, show Build log
222
223         FileInfo const f_fi(fname);
224         FileInfo const b_fi(bname);
225
226         if (b_fi.exist() &&
227             (!f_fi.exist() || f_fi.getModificationTime() < b_fi.getModificationTime())) {
228                 lyxerr[Debug::FILES] << "Log name calculated as: " << bname << endl;
229                 return make_pair(Buffer::buildlog, bname);
230         }
231         lyxerr[Debug::FILES] << "Log name calculated as: " << fname << endl;
232         return make_pair(Buffer::latexlog, fname);
233 }
234
235
236 void Buffer::setReadonly(bool flag)
237 {
238         if (read_only != flag) {
239                 read_only = flag;
240                 updateTitles();
241                 users->owner()->getDialogs().updateBufferDependent(false);
242         }
243 }
244
245
246 AuthorList & Buffer::authors()
247 {
248         return authorlist;
249 }
250
251
252 /// Update window titles of all users
253 // Should work on a list
254 void Buffer::updateTitles() const
255 {
256         if (users)
257                 users->owner()->updateWindowTitle();
258 }
259
260
261 /// Reset autosave timer of all users
262 // Should work on a list
263 void Buffer::resetAutosaveTimers() const
264 {
265         if (users)
266                 users->owner()->resetAutosaveTimer();
267 }
268
269
270 void Buffer::setFileName(string const & newfile)
271 {
272         filename_ = MakeAbsPath(newfile);
273         filepath_ = OnlyPath(filename_);
274         setReadonly(IsFileWriteable(filename_) == 0);
275         updateTitles();
276 }
277
278
279 // We'll remove this later. (Lgb)
280 namespace {
281
282 string last_inset_read;
283
284 #ifdef WITH_WARNINGS
285 #warning And _why_ is this here? (Lgb)
286 #endif
287 int unknown_layouts;
288 int unknown_tokens;
289 vector<int> author_ids;
290
291 } // anon
292
293
294 // candidate for move to BufferView
295 // (at least some parts in the beginning of the func)
296 //
297 // Uwe C. Schroeder
298 // changed to be public and have one parameter
299 // if par = 0 normal behavior
300 // else insert behavior
301 // Returns false if "\the_end" is not read (Asger)
302 bool Buffer::readLyXformat2(LyXLex & lex, Paragraph * par)
303 {
304         unknown_layouts = 0;
305         unknown_tokens = 0;
306         author_ids.clear();
307
308         int pos = 0;
309         Paragraph::depth_type depth = 0;
310         bool the_end_read = false;
311
312         Paragraph * first_par = 0;
313         LyXFont font(LyXFont::ALL_INHERIT, params.language);
314
315         if (!par) {
316                 par = new Paragraph;
317                 par->layout(params.getLyXTextClass().defaultLayout());
318         } else {
319                 // We are inserting into an existing document
320                 users->text->breakParagraph(users, paragraphs);
321                 first_par = users->text->ownerParagraph();
322                 pos = 0;
323                 markDirty();
324                 // We don't want to adopt the parameters from the
325                 // document we insert, so we skip until the text begins:
326                 while (lex.isOK()) {
327                         lex.nextToken();
328                         string const pretoken = lex.getString();
329                         if (pretoken == "\\layout") {
330                                 lex.pushToken(pretoken);
331                                 break;
332                         }
333                 }
334         }
335
336         while (lex.isOK()) {
337                 lex.nextToken();
338                 string const token = lex.getString();
339
340                 if (token.empty()) continue;
341
342                 lyxerr[Debug::PARSER] << "Handling token: `"
343                                       << token << '\'' << endl;
344
345                 the_end_read =
346                         parseSingleLyXformat2Token(lex, par, first_par,
347                                                    token, pos, depth,
348                                                    font);
349         }
350
351         if (!first_par)
352                 first_par = par;
353
354         paragraphs.set(first_par);
355
356         if (unknown_layouts > 0) {
357                 string s = _("Couldn't set the layout for ");
358                 if (unknown_layouts == 1) {
359                         s += _("one paragraph");
360                 } else {
361                         s += tostr(unknown_layouts);
362                         s += _(" paragraphs");
363                 }
364 #if USE_BOOST_FORMAT
365                 Alert::alert(_("Textclass Loading Error!"), s,
366                            boost::io::str(boost::format(_("When reading %1$s")) % fileName()));
367 #else
368                 Alert::alert(_("Textclass Loading Error!"), s,
369                              _("When reading ") + fileName());
370 #endif
371         }
372
373         if (unknown_tokens > 0) {
374                 string s = _("Encountered ");
375                 if (unknown_tokens == 1) {
376                         s += _("one unknown token");
377                 } else {
378                         s += tostr(unknown_tokens);
379                         s += _(" unknown tokens");
380                 }
381 #if USE_BOOST_FORMAT
382                 Alert::alert(_("Textclass Loading Error!"), s,
383                            boost::io::str(boost::format(_("When reading %1$s")) % fileName()));
384 #else
385                 Alert::alert(_("Textclass Loading Error!"), s,
386                              _("When reading ") +  fileName());
387 #endif
388         }
389
390         return the_end_read;
391 }
392
393
394 namespace {
395         // This stuff is, in the traditional LyX terminology, Super UGLY
396         // but this code is too b0rken to admit of a better solution yet
397         Change current_change;
398 };
399
400
401 bool
402 Buffer::parseSingleLyXformat2Token(LyXLex & lex, Paragraph *& par,
403                                    Paragraph *& first_par,
404                                    string const & token, int & pos,
405                                    Paragraph::depth_type & depth,
406                                    LyXFont & font
407         )
408 {
409         bool the_end_read = false;
410
411         // The order of the tags tested may seem unnatural, but this
412         // has been done in order to reduce the number of string
413         // comparisons needed to recognize a given token. This leads
414         // on large documents like UserGuide to a reduction of a
415         // factor 5! (JMarc)
416         if (token[0] != '\\') {
417                 for (string::const_iterator cit = token.begin();
418                      cit != token.end(); ++cit) {
419                         par->insertChar(pos, (*cit), font, current_change);
420                         ++pos;
421                 }
422         } else if (token == "\\layout") {
423                 // reset the font as we start a new layout and if the font is
424                 // not ALL_INHERIT,document_language then it will be set to the
425                 // right values after this tag (Jug 20020420)
426                 font = LyXFont(LyXFont::ALL_INHERIT, params.language);
427
428                 lex.eatLine();
429                 string layoutname = lex.getString();
430
431                 LyXTextClass const & tclass = params.getLyXTextClass();
432
433                 if (layoutname.empty()) {
434                         layoutname = tclass.defaultLayoutName();
435                 }
436                 bool hasLayout = tclass.hasLayout(layoutname);
437                 if (!hasLayout) {
438                         lyxerr << "Layout '" << layoutname << "' does not"
439                                << " exist in textclass '" << tclass.name()
440                                << "'." << endl;
441                         lyxerr << "Trying to use default layout instead."
442                                << endl;
443                         layoutname = tclass.defaultLayoutName();
444                 }
445
446 #ifdef USE_CAPTION
447                 // The is the compability reading of layout caption.
448                 // It can be removed in LyX version 1.3.0. (Lgb)
449                 if (compare_ascii_no_case(layoutname, "caption") == 0) {
450                         // We expect that the par we are now working on is
451                         // really inside a InsetText inside a InsetFloat.
452                         // We also know that captions can only be
453                         // one paragraph. (Lgb)
454
455                         // We should now read until the next "\layout"
456                         // is reached.
457                         // This is probably not good enough, what if the
458                         // caption is the last par in the document (Lgb)
459                         istream & ist = lex.getStream();
460                         stringstream ss;
461                         string line;
462                         int begin = 0;
463                         while (true) {
464                                 getline(ist, line);
465                                 if (prefixIs(line, "\\layout")) {
466                                         lex.pushToken(line);
467                                         break;
468                                 }
469                                 if (prefixIs(line, "\\begin_inset"))
470                                         ++begin;
471                                 if (prefixIs(line, "\\end_inset")) {
472                                         if (begin)
473                                                 --begin;
474                                         else {
475                                                 lex.pushToken(line);
476                                                 break;
477                                         }
478                                 }
479
480                                 ss << line << '\n';
481                         }
482                         // Now we should have the whole layout in ss
483                         // we should now be able to give this to the
484                         // caption inset.
485                         ss << "\\end_inset\n";
486
487                         // This seems like a bug in stringstream.
488                         // We really should be able to use ss
489                         // directly. (Lgb)
490                         istringstream is(ss.str());
491                         LyXLex tmplex(0, 0);
492                         tmplex.setStream(is);
493                         Inset * inset = new InsetCaption;
494                         inset->Read(this, tmplex);
495                         par->InsertInset(pos, inset, font);
496                         ++pos;
497                 } else {
498 #endif
499                         if (!first_par)
500                                 first_par = par;
501                         else {
502                                 par = new Paragraph(par);
503                                 par->layout(params.getLyXTextClass().defaultLayout());
504                                 if (params.tracking_changes)
505                                         par->trackChanges();
506                         }
507                         pos = 0;
508                         par->layout(params.getLyXTextClass()[layoutname]);
509                         // Test whether the layout is obsolete.
510                         LyXLayout_ptr const & layout = par->layout();
511                         if (!layout->obsoleted_by().empty())
512                                 par->layout(params.getLyXTextClass()[layout->obsoleted_by()]);
513                         par->params().depth(depth);
514 #if USE_CAPTION
515                 }
516 #endif
517
518         } else if (token == "\\end_inset") {
519                 lyxerr << "Solitary \\end_inset in line " << lex.getLineNo() << "\n"
520                        << "Missing \\begin_inset?.\n"
521                        << "Last inset read was: " << last_inset_read
522                        << endl;
523                 // Simply ignore this. The insets do not have
524                 // to read this.
525                 // But insets should read it, it is a part of
526                 // the inset isn't it? Lgb.
527         } else if (token == "\\begin_inset") {
528                 readInset(lex, par, pos, font);
529         } else if (token == "\\family") {
530                 lex.next();
531                 font.setLyXFamily(lex.getString());
532         } else if (token == "\\series") {
533                 lex.next();
534                 font.setLyXSeries(lex.getString());
535         } else if (token == "\\shape") {
536                 lex.next();
537                 font.setLyXShape(lex.getString());
538         } else if (token == "\\size") {
539                 lex.next();
540                 font.setLyXSize(lex.getString());
541         } else if (token == "\\lang") {
542                 lex.next();
543                 string const tok = lex.getString();
544                 Language const * lang = languages.getLanguage(tok);
545                 if (lang) {
546                         font.setLanguage(lang);
547                 } else {
548                         font.setLanguage(params.language);
549                         lex.printError("Unknown language `$$Token'");
550                 }
551         } else if (token == "\\numeric") {
552                 lex.next();
553                 font.setNumber(font.setLyXMisc(lex.getString()));
554         } else if (token == "\\emph") {
555                 lex.next();
556                 font.setEmph(font.setLyXMisc(lex.getString()));
557         } else if (token == "\\bar") {
558                 lex.next();
559                 string const tok = lex.getString();
560                 // This is dirty, but gone with LyX3. (Asger)
561                 if (tok == "under")
562                         font.setUnderbar(LyXFont::ON);
563                 else if (tok == "no")
564                         font.setUnderbar(LyXFont::OFF);
565                 else if (tok == "default")
566                         font.setUnderbar(LyXFont::INHERIT);
567                 else
568                         lex.printError("Unknown bar font flag "
569                                        "`$$Token'");
570         } else if (token == "\\noun") {
571                 lex.next();
572                 font.setNoun(font.setLyXMisc(lex.getString()));
573         } else if (token == "\\color") {
574                 lex.next();
575                 font.setLyXColor(lex.getString());
576         } else if (token == "\\SpecialChar") {
577                 LyXLayout_ptr const & layout = par->layout();
578
579                 // Insets don't make sense in a free-spacing context! ---Kayvan
580                 if (layout->free_spacing || par->isFreeSpacing()) {
581                         if (lex.isOK()) {
582                                 lex.next();
583                                 string const next_token = lex.getString();
584                                 if (next_token == "\\-") {
585                                         par->insertChar(pos, '-', font, current_change);
586                                 } else if (next_token == "~") {
587                                         par->insertChar(pos, ' ', font, current_change);
588                                 } else {
589                                         lex.printError("Token `$$Token' "
590                                                        "is in free space "
591                                                        "paragraph layout!");
592                                         --pos;
593                                 }
594                         }
595                 } else {
596                         Inset * inset = new InsetSpecialChar;
597                         inset->read(this, lex);
598                         par->insertInset(pos, inset, font, current_change);
599                 }
600                 ++pos;
601         } else if (token == "\\i") {
602                 Inset * inset = new InsetLatexAccent;
603                 inset->read(this, lex);
604                 par->insertInset(pos, inset, font, current_change);
605                 ++pos;
606         } else if (token == "\\backslash") {
607                 par->insertChar(pos, '\\', font, current_change);
608                 ++pos;
609         } else if (token == "\\begin_deeper") {
610                 ++depth;
611         } else if (token == "\\end_deeper") {
612                 if (!depth) {
613                         lex.printError("\\end_deeper: "
614                                        "depth is already null");
615                 }
616                 else
617                         --depth;
618         } else if (token == "\\begin_preamble") {
619                 params.readPreamble(lex);
620         } else if (token == "\\textclass") {
621                 lex.eatLine();
622                 pair<bool, textclass_type> pp =
623                         textclasslist.NumberOfClass(lex.getString());
624                 if (pp.first) {
625                         params.textclass = pp.second;
626                 } else {
627 #if USE_BOOST_FORMAT
628                         Alert::alert(_("Textclass error"),
629                                 boost::io::str(boost::format(_("The document uses an unknown textclass \"%1$s\".")) % lex.getString()),
630                                 _("-- substituting default."));
631 #else
632                         Alert::alert(
633                                 _("Textclass error"),
634                                 _("The document uses an unknown textclass ")
635                                 + lex.getString(),
636                                 _("-- substituting default."));
637 #endif
638                         params.textclass = 0;
639                 }
640                 if (!params.getLyXTextClass().load()) {
641                         // if the textclass wasn't loaded properly
642                         // we need to either substitute another
643                         // or stop loading the file.
644                         // I can substitute but I don't see how I can
645                         // stop loading... ideas??  ARRae980418
646 #if USE_BOOST_FORMAT
647                         Alert::alert(_("Textclass Loading Error!"),
648                                    boost::io::str(boost::format(_("Can't load textclass %1$s")) %
649                                    params.getLyXTextClass().name()),
650                                    _("-- substituting default."));
651 #else
652                         Alert::alert(_("Textclass Loading Error!"),
653                                      _("Can't load textclass ")
654                                      + params.getLyXTextClass().name(),
655                                      _("-- substituting default."));
656 #endif
657                         params.textclass = 0;
658                 }
659         } else if (token == "\\options") {
660                 lex.eatLine();
661                 params.options = lex.getString();
662         } else if (token == "\\language") {
663                 params.readLanguage(lex);
664         } else if (token == "\\fontencoding") {
665                 lex.eatLine();
666         } else if (token == "\\inputencoding") {
667                 lex.eatLine();
668                 params.inputenc = lex.getString();
669         } else if (token == "\\graphics") {
670                 params.readGraphicsDriver(lex);
671         } else if (token == "\\fontscheme") {
672                 lex.eatLine();
673                 params.fonts = lex.getString();
674         } else if (token == "\\noindent") {
675                 par->params().noindent(true);
676         } else if (token == "\\leftindent") {
677                 lex.nextToken();
678                 LyXLength value(lex.getString());
679                 par->params().leftIndent(value);
680         } else if (token == "\\fill_top") {
681                 par->params().spaceTop(VSpace(VSpace::VFILL));
682         } else if (token == "\\fill_bottom") {
683                 par->params().spaceBottom(VSpace(VSpace::VFILL));
684         } else if (token == "\\line_top") {
685                 par->params().lineTop(true);
686         } else if (token == "\\line_bottom") {
687                 par->params().lineBottom(true);
688         } else if (token == "\\pagebreak_top") {
689                 par->params().pagebreakTop(true);
690         } else if (token == "\\pagebreak_bottom") {
691                 par->params().pagebreakBottom(true);
692         } else if (token == "\\start_of_appendix") {
693                 par->params().startOfAppendix(true);
694         } else if (token == "\\paragraph_separation") {
695                 int tmpret = lex.findToken(string_paragraph_separation);
696                 if (tmpret == -1)
697                         ++tmpret;
698                 params.paragraph_separation =
699                         static_cast<BufferParams::PARSEP>(tmpret);
700         } else if (token == "\\defskip") {
701                 lex.nextToken();
702                 params.defskip = VSpace(lex.getString());
703         } else if (token == "\\quotes_language") {
704                 int tmpret = lex.findToken(string_quotes_language);
705                 if (tmpret == -1)
706                         ++tmpret;
707                 InsetQuotes::quote_language tmpl =
708                         InsetQuotes::EnglishQ;
709                 switch (tmpret) {
710                 case 0:
711                         tmpl = InsetQuotes::EnglishQ;
712                         break;
713                 case 1:
714                         tmpl = InsetQuotes::SwedishQ;
715                         break;
716                 case 2:
717                         tmpl = InsetQuotes::GermanQ;
718                         break;
719                 case 3:
720                         tmpl = InsetQuotes::PolishQ;
721                         break;
722                 case 4:
723                         tmpl = InsetQuotes::FrenchQ;
724                         break;
725                 case 5:
726                         tmpl = InsetQuotes::DanishQ;
727                         break;
728                 }
729                 params.quotes_language = tmpl;
730         } else if (token == "\\quotes_times") {
731                 lex.nextToken();
732                 switch (lex.getInteger()) {
733                 case 1:
734                         params.quotes_times = InsetQuotes::SingleQ;
735                         break;
736                 case 2:
737                         params.quotes_times = InsetQuotes::DoubleQ;
738                         break;
739                 }
740         } else if (token == "\\papersize") {
741                 int tmpret = lex.findToken(string_papersize);
742                 if (tmpret == -1)
743                         ++tmpret;
744                 else
745                         params.papersize2 = tmpret;
746         } else if (token == "\\paperpackage") {
747                 int tmpret = lex.findToken(string_paperpackages);
748                 if (tmpret == -1) {
749                         ++tmpret;
750                         params.paperpackage = BufferParams::PACKAGE_NONE;
751                 } else
752                         params.paperpackage = tmpret;
753         } else if (token == "\\use_geometry") {
754                 lex.nextToken();
755                 params.use_geometry = lex.getInteger();
756         } else if (token == "\\use_amsmath") {
757                 lex.nextToken();
758                 params.use_amsmath = static_cast<BufferParams::AMS>(
759                         lex.getInteger());
760         } else if (token == "\\use_natbib") {
761                 lex.nextToken();
762                 params.use_natbib = lex.getInteger();
763         } else if (token == "\\use_numerical_citations") {
764                 lex.nextToken();
765                 params.use_numerical_citations = lex.getInteger();
766         } else if (token == "\\tracking_changes") {
767                 lex.nextToken();
768                 params.tracking_changes = lex.getInteger();
769                 // mark the first paragraph
770                 if (params.tracking_changes)
771                         par->trackChanges();
772         } else if (token == "\\author") {
773                 lex.nextToken();
774                 istringstream ss(lex.getString());
775                 Author a;
776                 ss >> a;
777                 int aid(authorlist.record(a));
778                 lyxerr << "aid is " << aid << endl;
779                 lyxerr << "listed aid is " << author_ids.size() << endl;
780                 author_ids.push_back(authorlist.record(a));
781         } else if (token == "\\paperorientation") {
782                 int tmpret = lex.findToken(string_orientation);
783                 if (tmpret == -1)
784                         ++tmpret;
785                 params.orientation =
786                         static_cast<BufferParams::PAPER_ORIENTATION>(tmpret);
787         } else if (token == "\\paperwidth") {
788                 lex.next();
789                 params.paperwidth = lex.getString();
790         } else if (token == "\\paperheight") {
791                 lex.next();
792                 params.paperheight = lex.getString();
793         } else if (token == "\\leftmargin") {
794                 lex.next();
795                 params.leftmargin = lex.getString();
796         } else if (token == "\\topmargin") {
797                 lex.next();
798                 params.topmargin = lex.getString();
799         } else if (token == "\\rightmargin") {
800                 lex.next();
801                 params.rightmargin = lex.getString();
802         } else if (token == "\\bottommargin") {
803                 lex.next();
804                 params.bottommargin = lex.getString();
805         } else if (token == "\\headheight") {
806                 lex.next();
807                 params.headheight = lex.getString();
808         } else if (token == "\\headsep") {
809                 lex.next();
810                 params.headsep = lex.getString();
811         } else if (token == "\\footskip") {
812                 lex.next();
813                 params.footskip = lex.getString();
814         } else if (token == "\\paperfontsize") {
815                 lex.nextToken();
816                 params.fontsize = rtrim(lex.getString());
817         } else if (token == "\\papercolumns") {
818                 lex.nextToken();
819                 params.columns = lex.getInteger();
820         } else if (token == "\\papersides") {
821                 lex.nextToken();
822                 switch (lex.getInteger()) {
823                 default:
824                 case 1: params.sides = LyXTextClass::OneSide; break;
825                 case 2: params.sides = LyXTextClass::TwoSides; break;
826                 }
827         } else if (token == "\\paperpagestyle") {
828                 lex.nextToken();
829                 params.pagestyle = rtrim(lex.getString());
830         } else if (token == "\\bullet") {
831                 lex.nextToken();
832                 int const index = lex.getInteger();
833                 lex.nextToken();
834                 int temp_int = lex.getInteger();
835                 params.user_defined_bullets[index].setFont(temp_int);
836                 params.temp_bullets[index].setFont(temp_int);
837                 lex.nextToken();
838                 temp_int = lex.getInteger();
839                 params.user_defined_bullets[index].setCharacter(temp_int);
840                 params.temp_bullets[index].setCharacter(temp_int);
841                 lex.nextToken();
842                 temp_int = lex.getInteger();
843                 params.user_defined_bullets[index].setSize(temp_int);
844                 params.temp_bullets[index].setSize(temp_int);
845                 lex.nextToken();
846                 string const temp_str = lex.getString();
847                 if (temp_str != "\\end_bullet") {
848                                 // this element isn't really necessary for
849                                 // parsing but is easier for humans
850                                 // to understand bullets. Put it back and
851                                 // set a debug message?
852                         lex.printError("\\end_bullet expected, got" + temp_str);
853                                 //how can I put it back?
854                 }
855         } else if (token == "\\bulletLaTeX") {
856                 // The bullet class should be able to read this.
857                 lex.nextToken();
858                 int const index = lex.getInteger();
859                 lex.next();
860                 string temp_str = lex.getString();
861                 string sum_str;
862                 while (temp_str != "\\end_bullet") {
863                                 // this loop structure is needed when user
864                                 // enters an empty string since the first
865                                 // thing returned will be the \\end_bullet
866                                 // OR
867                                 // if the LaTeX entry has spaces. Each element
868                                 // therefore needs to be read in turn
869                         sum_str += temp_str;
870                         lex.next();
871                         temp_str = lex.getString();
872                 }
873
874                 params.user_defined_bullets[index].setText(sum_str);
875                 params.temp_bullets[index].setText(sum_str);
876         } else if (token == "\\secnumdepth") {
877                 lex.nextToken();
878                 params.secnumdepth = lex.getInteger();
879         } else if (token == "\\tocdepth") {
880                 lex.nextToken();
881                 params.tocdepth = lex.getInteger();
882         } else if (token == "\\spacing") {
883                 lex.next();
884                 string const tmp = rtrim(lex.getString());
885                 Spacing::Space tmp_space = Spacing::Default;
886                 float tmp_val = 0.0;
887                 if (tmp == "single") {
888                         tmp_space = Spacing::Single;
889                 } else if (tmp == "onehalf") {
890                         tmp_space = Spacing::Onehalf;
891                 } else if (tmp == "double") {
892                         tmp_space = Spacing::Double;
893                 } else if (tmp == "other") {
894                         lex.next();
895                         tmp_space = Spacing::Other;
896                         tmp_val = lex.getFloat();
897                 } else {
898                         lex.printError("Unknown spacing token: '$$Token'");
899                 }
900                 // Small hack so that files written with klyx will be
901                 // parsed correctly.
902                 if (first_par) {
903                         par->params().spacing(Spacing(tmp_space, tmp_val));
904                 } else {
905                         params.spacing.set(tmp_space, tmp_val);
906                 }
907         } else if (token == "\\paragraph_spacing") {
908                 lex.next();
909                 string const tmp = rtrim(lex.getString());
910                 if (tmp == "single") {
911                         par->params().spacing(Spacing(Spacing::Single));
912                 } else if (tmp == "onehalf") {
913                         par->params().spacing(Spacing(Spacing::Onehalf));
914                 } else if (tmp == "double") {
915                         par->params().spacing(Spacing(Spacing::Double));
916                 } else if (tmp == "other") {
917                         lex.next();
918                         par->params().spacing(Spacing(Spacing::Other,
919                                          lex.getFloat()));
920                 } else {
921                         lex.printError("Unknown spacing token: '$$Token'");
922                 }
923         } else if (token == "\\float_placement") {
924                 lex.nextToken();
925                 params.float_placement = lex.getString();
926         } else if (token == "\\align") {
927                 int tmpret = lex.findToken(string_align);
928                 if (tmpret == -1)
929                         ++tmpret;
930                 int const tmpret2 = int(pow(2.0, tmpret));
931                 par->params().align(LyXAlignment(tmpret2));
932         } else if (token == "\\added_space_top") {
933                 lex.nextToken();
934                 VSpace value = VSpace(lex.getString());
935                 // only add the length when value > 0 or
936                 // with option keep
937                 if ((value.length().len().value() != 0) ||
938                     value.keep() ||
939                     (value.kind() != VSpace::LENGTH))
940                         par->params().spaceTop(value);
941         } else if (token == "\\added_space_bottom") {
942                 lex.nextToken();
943                 VSpace value = VSpace(lex.getString());
944                 // only add the length when value > 0 or
945                 // with option keep
946                 if ((value.length().len().value() != 0) ||
947                    value.keep() ||
948                     (value.kind() != VSpace::LENGTH))
949                         par->params().spaceBottom(value);
950         } else if (token == "\\labelwidthstring") {
951                 lex.eatLine();
952                 par->params().labelWidthString(lex.getString());
953                 // do not delete this token, it is still needed!
954         } else if (token == "\\newline") {
955                 par->insertChar(pos, Paragraph::META_NEWLINE, font, current_change);
956                 ++pos;
957         } else if (token == "\\LyXTable") {
958                 Inset * inset = new InsetTabular(*this);
959                 inset->read(this, lex);
960                 par->insertInset(pos, inset, font, current_change);
961                 ++pos;
962         } else if (token == "\\bibitem") {  // ale970302
963                 InsetCommandParams p("bibitem", "dummy");
964                 InsetBibitem * inset = new InsetBibitem(p);
965                 inset->read(this, lex);
966                 par->insertInset(pos, inset, font, current_change);
967                 ++pos;
968         } else if (token == "\\hfill") {
969                 par->insertChar(pos, Paragraph::META_HFILL, font, current_change);
970                 ++pos;
971         } else if (token == "\\change_unchanged") {
972                 // Hack ! Needed for empty paragraphs :/
973                 if (!pos)
974                         par->cleanChanges();
975                 current_change = Change(Change::UNCHANGED);
976         } else if (token == "\\change_inserted") {
977                 lex.nextToken();
978                 istringstream istr(lex.getString());
979                 int aid;
980                 lyx::time_type ct;
981                 istr >> aid;
982                 istr >> ct;
983                 current_change = Change(Change::INSERTED, author_ids[aid], ct);
984         } else if (token == "\\change_deleted") {
985                 lex.nextToken();
986                 istringstream istr(lex.getString());
987                 int aid;
988                 lyx::time_type ct;
989                 istr >> aid;
990                 istr >> ct;
991                 current_change = Change(Change::DELETED, author_ids[aid], ct);
992         } else if (token == "\\the_end") {
993                 the_end_read = true;
994         } else {
995                 // This should be insurance for the future: (Asger)
996                 ++unknown_tokens;
997                 lex.eatLine();
998 #if USE_BOOST_FORMAT
999                 boost::format fmt(_("Unknown token: %1$s %2$s\n"));
1000                 fmt % token % lex.text();
1001                 string const s = fmt.str();
1002 #else
1003                 string const s = _("Unknown token: ") + token
1004                         + ' ' + lex.text() + '\n';
1005 #endif
1006                 // we can do this here this way because we're actually reading
1007                 // the buffer and don't care about LyXText right now.
1008                 InsetError * new_inset = new InsetError(s);
1009                 par->insertInset(pos, new_inset, LyXFont(LyXFont::ALL_INHERIT,
1010                                  params.language));
1011
1012         }
1013
1014         return the_end_read;
1015 }
1016
1017
1018 // needed to insert the selection
1019 void Buffer::insertStringAsLines(Paragraph *& par, pos_type & pos,
1020                                  LyXFont const & fn,string const & str)
1021 {
1022         LyXLayout_ptr const & layout = par->layout();
1023
1024         LyXFont font = fn;
1025
1026         par->checkInsertChar(font);
1027         // insert the string, don't insert doublespace
1028         bool space_inserted = true;
1029         bool autobreakrows = !par->inInset() ||
1030                 static_cast<InsetText *>(par->inInset())->getAutoBreakRows();
1031         for(string::const_iterator cit = str.begin();
1032             cit != str.end(); ++cit) {
1033                 if (*cit == '\n') {
1034                         if (autobreakrows && (!par->empty() || layout->keepempty)) {
1035                                 breakParagraph(params, paragraphs, par, pos,
1036                                                layout->isEnvironment());
1037                                 par = par->next();
1038                                 pos = 0;
1039                                 space_inserted = true;
1040                         } else {
1041                                 continue;
1042                         }
1043                         // do not insert consecutive spaces if !free_spacing
1044                 } else if ((*cit == ' ' || *cit == '\t') &&
1045                            space_inserted && !layout->free_spacing &&
1046                                    !par->isFreeSpacing())
1047                 {
1048                         continue;
1049                 } else if (*cit == '\t') {
1050                         if (!layout->free_spacing && !par->isFreeSpacing()) {
1051                                 // tabs are like spaces here
1052                                 par->insertChar(pos, ' ', font, current_change);
1053                                 ++pos;
1054                                 space_inserted = true;
1055                         } else {
1056                                 const pos_type nb = 8 - pos % 8;
1057                                 for (pos_type a = 0; a < nb ; ++a) {
1058                                         par->insertChar(pos, ' ', font, current_change);
1059                                         ++pos;
1060                                 }
1061                                 space_inserted = true;
1062                         }
1063                 } else if (!IsPrintable(*cit)) {
1064                         // Ignore unprintables
1065                         continue;
1066                 } else {
1067                         // just insert the character
1068                         par->insertChar(pos, *cit, font);
1069                         ++pos;
1070                         space_inserted = (*cit == ' ');
1071                 }
1072
1073         }
1074 }
1075
1076
1077 void Buffer::readInset(LyXLex & lex, Paragraph *& par,
1078                        int & pos, LyXFont & font)
1079 {
1080         // consistency check
1081         if (lex.getString() != "\\begin_inset") {
1082                 lyxerr << "Buffer::readInset: Consistency check failed."
1083                        << endl;
1084         }
1085
1086         Inset * inset = 0;
1087
1088         lex.next();
1089         string const tmptok = lex.getString();
1090         last_inset_read = tmptok;
1091
1092         // test the different insets
1093         if (tmptok == "LatexCommand") {
1094                 InsetCommandParams inscmd;
1095                 inscmd.read(lex);
1096
1097                 string const cmdName = inscmd.getCmdName();
1098
1099                 // This strange command allows LyX to recognize "natbib" style
1100                 // citations: citet, citep, Citet etc.
1101                 if (compare_ascii_no_case(cmdName.substr(0,4), "cite") == 0) {
1102                         inset = new InsetCitation(inscmd);
1103                 } else if (cmdName == "bibitem") {
1104                         lex.printError("Wrong place for bibitem");
1105                         inset = new InsetBibitem(inscmd);
1106                 } else if (cmdName == "BibTeX") {
1107                         inset = new InsetBibtex(inscmd);
1108                 } else if (cmdName == "index") {
1109                         inset = new InsetIndex(inscmd);
1110                 } else if (cmdName == "include") {
1111                         inset = new InsetInclude(inscmd, *this);
1112                 } else if (cmdName == "label") {
1113                         inset = new InsetLabel(inscmd);
1114                 } else if (cmdName == "url"
1115                            || cmdName == "htmlurl") {
1116                         inset = new InsetUrl(inscmd);
1117                 } else if (cmdName == "ref"
1118                            || cmdName == "pageref"
1119                            || cmdName == "vref"
1120                            || cmdName == "vpageref"
1121                            || cmdName == "prettyref") {
1122                         if (!inscmd.getOptions().empty()
1123                             || !inscmd.getContents().empty()) {
1124                                 inset = new InsetRef(inscmd, *this);
1125                         }
1126                 } else if (cmdName == "tableofcontents") {
1127                         inset = new InsetTOC(inscmd);
1128                 } else if (cmdName == "listofalgorithms") {
1129                         inset = new InsetFloatList("algorithm");
1130                 } else if (cmdName == "listoffigures") {
1131                         inset = new InsetFloatList("figure");
1132                 } else if (cmdName == "listoftables") {
1133                         inset = new InsetFloatList("table");
1134                 } else if (cmdName == "printindex") {
1135                         inset = new InsetPrintIndex(inscmd);
1136                 } else if (cmdName == "lyxparent") {
1137                         inset = new InsetParent(inscmd, *this);
1138                 }
1139         } else {
1140                 if (tmptok == "Quotes") {
1141                         inset = new InsetQuotes;
1142                 } else if (tmptok == "External") {
1143                         inset = new InsetExternal;
1144                 } else if (tmptok == "FormulaMacro") {
1145                         inset = new InsetFormulaMacro;
1146                 } else if (tmptok == "Formula") {
1147                         inset = new InsetFormula;
1148                 } else if (tmptok == "Graphics") {
1149                         inset = new InsetGraphics;
1150                 } else if (tmptok == "Note") {
1151                         inset = new InsetNote(params);
1152                 } else if (tmptok == "Include") {
1153                         InsetCommandParams p("Include");
1154                         inset = new InsetInclude(p, *this);
1155                 } else if (tmptok == "ERT") {
1156                         inset = new InsetERT(params);
1157                 } else if (tmptok == "Tabular") {
1158                         inset = new InsetTabular(*this);
1159                 } else if (tmptok == "Text") {
1160                         inset = new InsetText(params);
1161                 } else if (tmptok == "Foot") {
1162                         inset = new InsetFoot(params);
1163                 } else if (tmptok == "Marginal") {
1164                         inset = new InsetMarginal(params);
1165                 } else if (tmptok == "OptArg") {
1166                         inset = new InsetOptArg(params);
1167                 } else if (tmptok == "Minipage") {
1168                         inset = new InsetMinipage(params);
1169                 } else if (tmptok == "Float") {
1170                         lex.next();
1171                         string tmptok = lex.getString();
1172                         inset = new InsetFloat(params, tmptok);
1173                 } else if (tmptok == "Wrap") {
1174                         lex.next();
1175                         string tmptok = lex.getString();
1176                         inset = new InsetWrap(params, tmptok);
1177 #if 0
1178                 } else if (tmptok == "List") {
1179                         inset = new InsetList;
1180                 } else if (tmptok == "Theorem") {
1181                         inset = new InsetList;
1182 #endif
1183                 } else if (tmptok == "Caption") {
1184                         inset = new InsetCaption(params);
1185                 } else if (tmptok == "FloatList") {
1186                         inset = new InsetFloatList;
1187                 }
1188
1189                 if (inset)
1190                         inset->read(this, lex);
1191         }
1192
1193         if (inset) {
1194                 par->insertInset(pos, inset, font, current_change);
1195                 ++pos;
1196         }
1197 }
1198
1199
1200 bool Buffer::readFile(LyXLex & lex, string const & filename, Paragraph * par)
1201 {
1202         if (lex.isOK()) {
1203                 lex.next();
1204                 string const token(lex.getString());
1205                 if (token == "\\lyxformat") { // the first token _must_ be...
1206                         lex.eatLine();
1207                         string tmp_format = lex.getString();
1208                         //lyxerr << "LyX Format: `" << tmp_format << '\'' << endl;
1209                         // if present remove ".," from string.
1210                         string::size_type dot = tmp_format.find_first_of(".,");
1211                         //lyxerr << "           dot found at " << dot << endl;
1212                         if (dot != string::npos)
1213                                 tmp_format.erase(dot, 1);
1214                         file_format = strToInt(tmp_format);
1215                         //lyxerr << "format: " << file_format << endl;
1216                         if (file_format == LYX_FORMAT) {
1217                                 // current format
1218                         } else if (file_format > LYX_FORMAT) {
1219                                 // future format
1220                                 Alert::alert(_("Warning!"),
1221                                         _("The file was created with a newer version of "
1222                                         "LyX. This is likely to cause problems."));
1223
1224                         } else if (file_format < LYX_FORMAT) {
1225                                 // old formats
1226                                 if (file_format < 200) {
1227                                         Alert::alert(_("ERROR!"),
1228                                                    _("Old LyX file format found. "
1229                                                      "Use LyX 0.10.x to read this!"));
1230                                         return false;
1231                                 } else if (!filename.empty()) {
1232                                         string command =
1233                                                 LibFileSearch("lyx2lyx", "lyx2lyx");
1234                                         if (command.empty()) {
1235                                                 Alert::alert(_("ERROR!"),
1236                                                              _("Can't find conversion script."));
1237                                                 return false;
1238                                         }
1239                                         command += " -t"
1240                                                 +tostr(LYX_FORMAT) + ' '
1241                                                 + QuoteName(filename);
1242                                         lyxerr[Debug::INFO] << "Running '"
1243                                                             << command << '\''
1244                                                             << endl;
1245                                         cmd_ret const ret = RunCommand(command);
1246                                         if (ret.first) {
1247                                                 Alert::alert(_("ERROR!"),
1248                                                              _("An error occured while "
1249                                                                "running the conversion script."));
1250                                                 return false;
1251                                         }
1252                                         istringstream is(STRCONV(ret.second));
1253                                         LyXLex tmplex(0, 0);
1254                                         tmplex.setStream(is);
1255                                         return readFile(tmplex, string(), par);
1256                                 } else {
1257                                         // This code is reached if lyx2lyx failed (for
1258                                         // some reason) to change the file format of
1259                                         // the file.
1260                                         lyx::Assert(false);
1261                                         return false;
1262                                 }
1263                         }
1264                         bool the_end = readLyXformat2(lex, par);
1265                         params.setPaperStuff();
1266
1267                         if (!the_end) {
1268                                 Alert::alert(_("Warning!"),
1269                                            _("Reading of document is not complete"),
1270                                            _("Maybe the document is truncated"));
1271                         }
1272                         return true;
1273                 } else { // "\\lyxformat" not found
1274                         Alert::alert(_("ERROR!"), _("Not a LyX file!"));
1275                 }
1276         } else
1277                 Alert::alert(_("ERROR!"), _("Unable to read file!"));
1278         return false;
1279 }
1280
1281
1282 // Should probably be moved to somewhere else: BufferView? LyXView?
1283 bool Buffer::save() const
1284 {
1285         // We don't need autosaves in the immediate future. (Asger)
1286         resetAutosaveTimers();
1287
1288         // make a backup
1289         string s;
1290         if (lyxrc.make_backup) {
1291                 s = fileName() + '~';
1292                 if (!lyxrc.backupdir_path.empty())
1293                         s = AddName(lyxrc.backupdir_path,
1294                                     subst(os::slashify_path(s),'/','!'));
1295
1296                 // Rename is the wrong way of making a backup,
1297                 // this is the correct way.
1298                 /* truss cp fil fil2:
1299                    lstat("LyXVC3.lyx", 0xEFFFF898)                 Err#2 ENOENT
1300                    stat("LyXVC.lyx", 0xEFFFF688)                   = 0
1301                    open("LyXVC.lyx", O_RDONLY)                     = 3
1302                    open("LyXVC3.lyx", O_WRONLY|O_CREAT|O_TRUNC, 0600) = 4
1303                    fstat(4, 0xEFFFF508)                            = 0
1304                    fstat(3, 0xEFFFF508)                            = 0
1305                    read(3, " # T h i s   f i l e   w".., 8192)     = 5579
1306                    write(4, " # T h i s   f i l e   w".., 5579)    = 5579
1307                    read(3, 0xEFFFD4A0, 8192)                       = 0
1308                    close(4)                                        = 0
1309                    close(3)                                        = 0
1310                    chmod("LyXVC3.lyx", 0100644)                    = 0
1311                    lseek(0, 0, SEEK_CUR)                           = 46440
1312                    _exit(0)
1313                 */
1314
1315                 // Should probably have some more error checking here.
1316                 // Doing it this way, also makes the inodes stay the same.
1317                 // This is still not a very good solution, in particular we
1318                 // might loose the owner of the backup.
1319                 FileInfo finfo(fileName());
1320                 if (finfo.exist()) {
1321                         mode_t fmode = finfo.getMode();
1322                         struct utimbuf times = {
1323                                 finfo.getAccessTime(),
1324                                 finfo.getModificationTime() };
1325
1326                         ifstream ifs(fileName().c_str());
1327                         ofstream ofs(s.c_str(), ios::out|ios::trunc);
1328                         if (ifs && ofs) {
1329                                 ofs << ifs.rdbuf();
1330                                 ifs.close();
1331                                 ofs.close();
1332                                 ::chmod(s.c_str(), fmode);
1333
1334                                 if (::utime(s.c_str(), &times)) {
1335                                         lyxerr << "utime error." << endl;
1336                                 }
1337                         } else {
1338                                 lyxerr << "LyX was not able to make "
1339                                         "backup copy. Beware." << endl;
1340                         }
1341                 }
1342         }
1343
1344         if (writeFile(fileName())) {
1345                 markClean();
1346                 removeAutosaveFile(fileName());
1347         } else {
1348                 // Saving failed, so backup is not backup
1349                 if (lyxrc.make_backup) {
1350                         lyx::rename(s, fileName());
1351                 }
1352                 return false;
1353         }
1354         return true;
1355 }
1356
1357
1358 bool Buffer::writeFile(string const & fname) const
1359 {
1360         if (read_only && (fname == fileName())) {
1361                 return false;
1362         }
1363
1364         FileInfo finfo(fname);
1365         if (finfo.exist() && !finfo.writable()) {
1366                 return false;
1367         }
1368
1369         ofstream ofs(fname.c_str());
1370         if (!ofs) {
1371                 return false;
1372         }
1373
1374 #ifdef HAVE_LOCALE
1375         // Use the standard "C" locale for file output.
1376         ofs.imbue(std::locale::classic());
1377 #endif
1378
1379         // The top of the file should not be written by params.
1380
1381         // write out a comment in the top of the file
1382         ofs << '#' << lyx_docversion
1383             << " created this file. For more info see http://www.lyx.org/\n"
1384             << "\\lyxformat " << LYX_FORMAT << "\n";
1385
1386         // now write out the buffer paramters.
1387         params.writeFile(ofs);
1388
1389         // if we're tracking, list all possible authors
1390         if (params.tracking_changes) {
1391                 AuthorList::Authors::const_iterator it = authorlist.begin();
1392                 AuthorList::Authors::const_iterator end = authorlist.end();
1393                 for (; it != end; ++it) {
1394                         ofs << "\\author " << it->second << "\n";
1395                 }
1396         }
1397
1398         Paragraph::depth_type depth = 0;
1399
1400         // this will write out all the paragraphs
1401         // using recursive descent.
1402         ParagraphList::iterator pit = paragraphs.begin();
1403         ParagraphList::iterator pend = paragraphs.end();
1404         for (; pit != pend; ++pit)
1405                 pit->write(this, ofs, params, depth);
1406
1407         // Write marker that shows file is complete
1408         ofs << "\n\\the_end" << endl;
1409
1410         ofs.close();
1411
1412         // how to check if close went ok?
1413         // Following is an attempt... (BE 20001011)
1414
1415         // good() returns false if any error occured, including some
1416         //        formatting error.
1417         // bad()  returns true if something bad happened in the buffer,
1418         //        which should include file system full errors.
1419
1420         bool status = true;
1421         if (!ofs.good()) {
1422                 status = false;
1423 #if 0
1424                 if (ofs.bad()) {
1425                         lyxerr << "Buffer::writeFile: BAD ERROR!" << endl;
1426                 } else {
1427                         lyxerr << "Buffer::writeFile: NOT SO BAD ERROR!"
1428                                << endl;
1429                 }
1430 #endif
1431         }
1432
1433         return status;
1434 }
1435
1436
1437 namespace {
1438
1439 pair<int, string> const addDepth(int depth, int ldepth)
1440 {
1441         int d = depth * 2;
1442         if (ldepth > depth)
1443                 d += (ldepth - depth) * 2;
1444         return make_pair(d, string(d, ' '));
1445 }
1446
1447 }
1448
1449
1450 string const Buffer::asciiParagraph(Paragraph const & par,
1451                                     unsigned int linelen,
1452                                     bool noparbreak) const
1453 {
1454         ostringstream buffer;
1455         Paragraph::depth_type depth = 0;
1456         int ltype = 0;
1457         Paragraph::depth_type ltype_depth = 0;
1458         bool ref_printed = false;
1459 //      if (!par->previous()) {
1460 #if 0
1461         // begins or ends a deeper area ?
1462         if (depth != par->params().depth()) {
1463                 if (par->params().depth() > depth) {
1464                         while (par->params().depth() > depth) {
1465                                 ++depth;
1466                         }
1467                 } else {
1468                         while (par->params().depth() < depth) {
1469                                 --depth;
1470                         }
1471                 }
1472         }
1473 #else
1474         depth = par.params().depth();
1475 #endif
1476
1477         // First write the layout
1478         string const & tmp = par.layout()->name();
1479         if (compare_no_case(tmp, "itemize") == 0) {
1480                 ltype = 1;
1481                 ltype_depth = depth + 1;
1482         } else if (compare_ascii_no_case(tmp, "enumerate") == 0) {
1483                 ltype = 2;
1484                 ltype_depth = depth + 1;
1485         } else if (contains(ascii_lowercase(tmp), "ection")) {
1486                 ltype = 3;
1487                 ltype_depth = depth + 1;
1488         } else if (contains(ascii_lowercase(tmp), "aragraph")) {
1489                 ltype = 4;
1490                 ltype_depth = depth + 1;
1491         } else if (compare_ascii_no_case(tmp, "description") == 0) {
1492                 ltype = 5;
1493                 ltype_depth = depth + 1;
1494         } else if (compare_ascii_no_case(tmp, "abstract") == 0) {
1495                 ltype = 6;
1496                 ltype_depth = 0;
1497         } else if (compare_ascii_no_case(tmp, "bibliography") == 0) {
1498                 ltype = 7;
1499                 ltype_depth = 0;
1500         } else {
1501                 ltype = 0;
1502                 ltype_depth = 0;
1503         }
1504
1505         /* maybe some vertical spaces */
1506
1507         /* the labelwidthstring used in lists */
1508
1509         /* some lines? */
1510
1511         /* some pagebreaks? */
1512
1513         /* noindent ? */
1514
1515         /* what about the alignment */
1516 //      } else {
1517 //              lyxerr << "Should this ever happen?" << endl;
1518 //      }
1519
1520         // linelen <= 0 is special and means we don't have paragraph breaks
1521
1522         string::size_type currlinelen = 0;
1523
1524         if (!noparbreak) {
1525                 if (linelen > 0)
1526                         buffer << "\n\n";
1527
1528                 buffer << string(depth * 2, ' ');
1529                 currlinelen += depth * 2;
1530
1531                 //--
1532                 // we should probably change to the paragraph language in the
1533                 // gettext here (if possible) so that strings are outputted in
1534                 // the correct language! (20012712 Jug)
1535                 //--
1536                 switch (ltype) {
1537                 case 0: // Standard
1538                 case 4: // (Sub)Paragraph
1539                 case 5: // Description
1540                         break;
1541                 case 6: // Abstract
1542                         if (linelen > 0) {
1543                                 buffer << _("Abstract") << "\n\n";
1544                                 currlinelen = 0;
1545                         } else {
1546                                 string const abst = _("Abstract: ");
1547                                 buffer << abst;
1548                                 currlinelen += abst.length();
1549                         }
1550                         break;
1551                 case 7: // Bibliography
1552                         if (!ref_printed) {
1553                                 if (linelen > 0) {
1554                                         buffer << _("References") << "\n\n";
1555                                         currlinelen = 0;
1556                                 } else {
1557                                         string const refs = _("References: ");
1558                                         buffer << refs;
1559                                         currlinelen += refs.length();
1560                                 }
1561
1562                                 ref_printed = true;
1563                         }
1564                         break;
1565                 default:
1566                 {
1567                         string const parlab = par.params().labelString();
1568                         buffer << parlab << ' ';
1569                         currlinelen += parlab.length() + 1;
1570                 }
1571                 break;
1572
1573                 }
1574         }
1575
1576         if (!currlinelen) {
1577                 pair<int, string> p = addDepth(depth, ltype_depth);
1578                 buffer << p.second;
1579                 currlinelen += p.first;
1580         }
1581
1582         // this is to change the linebreak to do it by word a bit more
1583         // intelligent hopefully! (only in the case where we have a
1584         // max linelength!) (Jug)
1585
1586         string word;
1587
1588         for (pos_type i = 0; i < par.size(); ++i) {
1589                 char c = par.getUChar(params, i);
1590                 switch (c) {
1591                 case Paragraph::META_INSET:
1592                 {
1593                         Inset const * inset = par.getInset(i);
1594                         if (inset) {
1595                                 if (linelen > 0) {
1596                                         buffer << word;
1597                                         currlinelen += word.length();
1598                                         word.erase();
1599                                 }
1600                                 if (inset->ascii(this, buffer, linelen)) {
1601                                         // to be sure it breaks paragraph
1602                                         currlinelen += linelen;
1603                                 }
1604                         }
1605                 }
1606                 break;
1607
1608                 case Paragraph::META_NEWLINE:
1609                         if (linelen > 0) {
1610                                 buffer << word << "\n";
1611                                 word.erase();
1612
1613                                 pair<int, string> p = addDepth(depth,
1614                                                                ltype_depth);
1615                                 buffer << p.second;
1616                                 currlinelen = p.first;
1617                         }
1618                         break;
1619
1620                 case Paragraph::META_HFILL:
1621                         buffer << word << "\t";
1622                         currlinelen += word.length() + 1;
1623                         word.erase();
1624                         break;
1625
1626                 default:
1627                         if (c == ' ') {
1628                                 if (linelen > 0 &&
1629                                     currlinelen + word.length() > linelen - 10) {
1630                                         buffer << "\n";
1631                                         pair<int, string> p =
1632                                                 addDepth(depth, ltype_depth);
1633                                         buffer << p.second;
1634                                         currlinelen = p.first;
1635                                 }
1636
1637                                 buffer << word << ' ';
1638                                 currlinelen += word.length() + 1;
1639                                 word.erase();
1640
1641                         } else {
1642                                 if (c != '\0') {
1643                                         word += c;
1644                                 } else {
1645                                         lyxerr[Debug::INFO] <<
1646                                                 "writeAsciiFile: NULL char in structure." << endl;
1647                                 }
1648                                 if ((linelen > 0) &&
1649                                         (currlinelen + word.length()) > linelen)
1650                                 {
1651                                         buffer << "\n";
1652
1653                                         pair<int, string> p =
1654                                                 addDepth(depth, ltype_depth);
1655                                         buffer << p.second;
1656                                         currlinelen = p.first;
1657                                 }
1658                         }
1659                         break;
1660                 }
1661         }
1662         buffer << word;
1663         return STRCONV(buffer.str());
1664 }
1665
1666
1667 void Buffer::writeFileAscii(string const & fname, int linelen)
1668 {
1669         ofstream ofs(fname.c_str());
1670         if (!ofs) {
1671                 Alert::err_alert(_("Error: Cannot write file:"), fname);
1672                 return;
1673         }
1674         writeFileAscii(ofs, linelen);
1675 }
1676
1677
1678 void Buffer::writeFileAscii(ostream & os, int linelen)
1679 {
1680         ParagraphList::iterator beg = paragraphs.begin();
1681         ParagraphList::iterator end = paragraphs.end();
1682         ParagraphList::iterator it = beg;
1683         for (; it != end; ++it) {
1684                 os << asciiParagraph(*it, linelen, it == beg);
1685         }
1686         os << "\n";
1687 }
1688
1689
1690
1691 void Buffer::makeLaTeXFile(string const & fname,
1692                            string const & original_path,
1693                            bool nice, bool only_body, bool only_preamble)
1694 {
1695         lyxerr[Debug::LATEX] << "makeLaTeXFile..." << endl;
1696
1697         ofstream ofs(fname.c_str());
1698         if (!ofs) {
1699                 Alert::err_alert(_("Error: Cannot open file: "), fname);
1700                 return;
1701         }
1702
1703         makeLaTeXFile(ofs, original_path, nice, only_body, only_preamble);
1704
1705         ofs.close();
1706         if (ofs.fail()) {
1707                 lyxerr << "File was not closed properly." << endl;
1708         }
1709 }
1710
1711
1712 void Buffer::makeLaTeXFile(ostream & os,
1713                            string const & original_path,
1714                            bool nice, bool only_body, bool only_preamble)
1715 {
1716         niceFile = nice; // this will be used by Insetincludes.
1717
1718         // validate the buffer.
1719         lyxerr[Debug::LATEX] << "  Validating buffer..." << endl;
1720         LaTeXFeatures features(params);
1721         validate(features);
1722         lyxerr[Debug::LATEX] << "  Buffer validation done." << endl;
1723
1724         texrow.reset();
1725         // The starting paragraph of the coming rows is the
1726         // first paragraph of the document. (Asger)
1727         texrow.start(&*(paragraphs.begin()), 0);
1728
1729         if (!only_body && nice) {
1730                 os << "%% " << lyx_docversion << " created this file.  "
1731                         "For more info, see http://www.lyx.org/.\n"
1732                         "%% Do not edit unless you really know what "
1733                         "you are doing.\n";
1734                 texrow.newline();
1735                 texrow.newline();
1736         }
1737         lyxerr[Debug::INFO] << "lyx header finished" << endl;
1738         // There are a few differences between nice LaTeX and usual files:
1739         // usual is \batchmode and has a
1740         // special input@path to allow the including of figures
1741         // with either \input or \includegraphics (what figinsets do).
1742         // input@path is set when the actual parameter
1743         // original_path is set. This is done for usual tex-file, but not
1744         // for nice-latex-file. (Matthias 250696)
1745         if (!only_body) {
1746                 if (!nice) {
1747                         // code for usual, NOT nice-latex-file
1748                         os << "\\batchmode\n"; // changed
1749                         // from \nonstopmode
1750                         texrow.newline();
1751                 }
1752                 if (!original_path.empty()) {
1753                         string inputpath = os::external_path(original_path);
1754                         subst(inputpath, "~", "\\string~");
1755                         os << "\\makeatletter\n"
1756                             << "\\def\\input@path{{"
1757                             << inputpath << "/}}\n"
1758                             << "\\makeatother\n";
1759                         texrow.newline();
1760                         texrow.newline();
1761                         texrow.newline();
1762                 }
1763
1764                 // Write the preamble
1765                 params.writeLaTeX(os, features, texrow);
1766
1767                 if (only_preamble)
1768                         return;
1769
1770                 // make the body.
1771                 os << "\\begin{document}\n";
1772                 texrow.newline();
1773         } // only_body
1774         lyxerr[Debug::INFO] << "preamble finished, now the body." << endl;
1775
1776         if (!lyxrc.language_auto_begin) {
1777                 os << subst(lyxrc.language_command_begin, "$$lang",
1778                              params.language->babel())
1779                     << endl;
1780                 texrow.newline();
1781         }
1782
1783         latexParagraphs(os, paragraphs.begin(), paragraphs.end(), texrow);
1784
1785         // add this just in case after all the paragraphs
1786         os << endl;
1787         texrow.newline();
1788
1789         if (!lyxrc.language_auto_end) {
1790                 os << subst(lyxrc.language_command_end, "$$lang",
1791                              params.language->babel())
1792                     << endl;
1793                 texrow.newline();
1794         }
1795
1796         if (!only_body) {
1797                 os << "\\end{document}\n";
1798                 texrow.newline();
1799
1800                 lyxerr[Debug::LATEX] << "makeLaTeXFile...done" << endl;
1801         } else {
1802                 lyxerr[Debug::LATEX] << "LaTeXFile for inclusion made."
1803                                      << endl;
1804         }
1805
1806         // Just to be sure. (Asger)
1807         texrow.newline();
1808
1809         lyxerr[Debug::INFO] << "Finished making LaTeX file." << endl;
1810         lyxerr[Debug::INFO] << "Row count was " << texrow.rows() - 1
1811                             << '.' << endl;
1812
1813         // we want this to be true outside previews (for insetexternal)
1814         niceFile = true;
1815 }
1816
1817
1818 //
1819 // LaTeX all paragraphs from par to endpar, if endpar == 0 then to the end
1820 //
1821 void Buffer::latexParagraphs(ostream & ofs,
1822                              ParagraphList::iterator par,
1823                              ParagraphList::iterator endpar,
1824                              TexRow & texrow,
1825                              bool moving_arg) const
1826 {
1827         bool was_title = false;
1828         bool already_title = false;
1829         LyXTextClass const & tclass = params.getLyXTextClass();
1830
1831         // if only_body
1832         while (par != endpar) {
1833                 Inset * in = par->inInset();
1834                 // well we have to check if we are in an inset with unlimited
1835                 // length (all in one row) if that is true then we don't allow
1836                 // any special options in the paragraph and also we don't allow
1837                 // any environment other then "Standard" to be valid!
1838                 if ((in == 0) || !in->forceDefaultParagraphs(in)) {
1839                         LyXLayout_ptr const & layout = par->layout();
1840
1841                         if (layout->intitle) {
1842                                 if (already_title) {
1843                                         lyxerr <<"Error in latexParagraphs: You"
1844                                                 " should not mix title layouts"
1845                                                 " with normal ones." << endl;
1846                                 } else if (!was_title) {
1847                                         was_title = true;
1848                                         if (tclass.titletype() == TITLE_ENVIRONMENT) {
1849                                                 ofs << "\\begin{"
1850                                                     << tclass.titlename()
1851                                                     << "}\n";
1852                                                 texrow.newline();
1853                                         }
1854                                 }
1855                         } else if (was_title && !already_title) {
1856                                 if (tclass.titletype() == TITLE_ENVIRONMENT) {
1857                                         ofs << "\\end{" << tclass.titlename()
1858                                             << "}\n";
1859                                 }
1860                                 else {
1861                                         ofs << "\\" << tclass.titlename()
1862                                             << "\n";
1863                                 }
1864                                 texrow.newline();
1865                                 already_title = true;
1866                                 was_title = false;
1867                         }
1868
1869                         if (layout->isEnvironment() ||
1870                                 !par->params().leftIndent().zero())
1871                         {
1872                                 par = TeXEnvironment(this, params, paragraphs, par, ofs, texrow);
1873                         } else {
1874                                 par = TeXOnePar(this, params, paragraphs, par, ofs, texrow, moving_arg);
1875                         }
1876                 } else {
1877                         par = TeXOnePar(this, params, paragraphs, par, ofs, texrow, moving_arg);
1878                 }
1879         }
1880         // It might be that we only have a title in this document
1881         if (was_title && !already_title) {
1882                 if (tclass.titletype() == TITLE_ENVIRONMENT) {
1883                         ofs << "\\end{" << tclass.titlename()
1884                             << "}\n";
1885                 }
1886                 else {
1887                         ofs << "\\" << tclass.titlename()
1888                             << "\n";
1889                                 }
1890                 texrow.newline();
1891         }
1892 }
1893
1894
1895 bool Buffer::isLatex() const
1896 {
1897         return params.getLyXTextClass().outputType() == LATEX;
1898 }
1899
1900
1901 bool Buffer::isLinuxDoc() const
1902 {
1903         return params.getLyXTextClass().outputType() == LINUXDOC;
1904 }
1905
1906
1907 bool Buffer::isLiterate() const
1908 {
1909         return params.getLyXTextClass().outputType() == LITERATE;
1910 }
1911
1912
1913 bool Buffer::isDocBook() const
1914 {
1915         return params.getLyXTextClass().outputType() == DOCBOOK;
1916 }
1917
1918
1919 bool Buffer::isSGML() const
1920 {
1921         LyXTextClass const & tclass = params.getLyXTextClass();
1922
1923         return tclass.outputType() == LINUXDOC ||
1924                tclass.outputType() == DOCBOOK;
1925 }
1926
1927
1928 void Buffer::makeLinuxDocFile(string const & fname, bool nice, bool body_only)
1929 {
1930         ofstream ofs(fname.c_str());
1931
1932         if (!ofs) {
1933                 Alert::alert(_("LYX_ERROR:"), _("Cannot write file"), fname);
1934                 return;
1935         }
1936
1937         niceFile = nice; // this will be used by included files.
1938
1939         LaTeXFeatures features(params);
1940
1941         validate(features);
1942
1943         texrow.reset();
1944
1945         LyXTextClass const & tclass = params.getLyXTextClass();
1946
1947         string top_element = tclass.latexname();
1948
1949         if (!body_only) {
1950                 ofs << "<!doctype linuxdoc system";
1951
1952                 string preamble = params.preamble;
1953                 const string name = nice ? ChangeExtension(filename_, ".sgml")
1954                          : fname;
1955                 preamble += features.getIncludedFiles(name);
1956                 preamble += features.getLyXSGMLEntities();
1957
1958                 if (!preamble.empty()) {
1959                         ofs << " [ " << preamble << " ]";
1960                 }
1961                 ofs << ">\n\n";
1962
1963                 if (params.options.empty())
1964                         sgml::openTag(ofs, 0, false, top_element);
1965                 else {
1966                         string top = top_element;
1967                         top += ' ';
1968                         top += params.options;
1969                         sgml::openTag(ofs, 0, false, top);
1970                 }
1971         }
1972
1973         ofs << "<!-- "  << lyx_docversion
1974             << " created this file. For more info see http://www.lyx.org/"
1975             << " -->\n";
1976
1977         Paragraph::depth_type depth = 0; // paragraph depth
1978         Paragraph * par = &*(paragraphs.begin());
1979         string item_name;
1980         vector<string> environment_stack(5);
1981
1982         while (par) {
1983                 LyXLayout_ptr const & style = par->layout();
1984                 // treat <toc> as a special case for compatibility with old code
1985                 if (par->isInset(0)) {
1986                         Inset * inset = par->getInset(0);
1987                         Inset::Code lyx_code = inset->lyxCode();
1988                         if (lyx_code == Inset::TOC_CODE) {
1989                                 string const temp = "toc";
1990                                 sgml::openTag(ofs, depth, false, temp);
1991
1992                                 par = par->next();
1993                                 continue;
1994                         }
1995                 }
1996
1997                 // environment tag closing
1998                 for (; depth > par->params().depth(); --depth) {
1999                         sgml::closeTag(ofs, depth, false, environment_stack[depth]);
2000                         environment_stack[depth].erase();
2001                 }
2002
2003                 // write opening SGML tags
2004                 switch (style->latextype) {
2005                 case LATEX_PARAGRAPH:
2006                         if (depth == par->params().depth()
2007                            && !environment_stack[depth].empty()) {
2008                                 sgml::closeTag(ofs, depth, false, environment_stack[depth]);
2009                                 environment_stack[depth].erase();
2010                                 if (depth)
2011                                         --depth;
2012                                 else
2013                                         ofs << "</p>";
2014                         }
2015                         sgml::openTag(ofs, depth, false, style->latexname());
2016                         break;
2017
2018                 case LATEX_COMMAND:
2019                         if (depth!= 0)
2020                                 sgmlError(par, 0,
2021                                           _("Error: Wrong depth for LatexType Command.\n"));
2022
2023                         if (!environment_stack[depth].empty()) {
2024                                 sgml::closeTag(ofs, depth, false, environment_stack[depth]);
2025                                 ofs << "</p>";
2026                         }
2027
2028                         environment_stack[depth].erase();
2029                         sgml::openTag(ofs, depth, false, style->latexname());
2030                         break;
2031
2032                 case LATEX_ENVIRONMENT:
2033                 case LATEX_ITEM_ENVIRONMENT:
2034                 case LATEX_BIB_ENVIRONMENT:
2035                 {
2036                         string const & latexname = style->latexname();
2037
2038                         if (depth == par->params().depth()
2039                             && environment_stack[depth] != latexname) {
2040                                 sgml::closeTag(ofs, depth, false,
2041                                              environment_stack[depth]);
2042                                 environment_stack[depth].erase();
2043                         }
2044                         if (depth < par->params().depth()) {
2045                                depth = par->params().depth();
2046                                environment_stack[depth].erase();
2047                         }
2048                         if (environment_stack[depth] != latexname) {
2049                                 if (depth == 0) {
2050                                         sgml::openTag(ofs, depth, false, "p");
2051                                 }
2052                                 sgml::openTag(ofs, depth, false, latexname);
2053
2054                                 if (environment_stack.size() == depth + 1)
2055                                         environment_stack.push_back("!-- --");
2056                                 environment_stack[depth] = latexname;
2057                         }
2058
2059                         if (style->latexparam() == "CDATA")
2060                                 ofs << "<![CDATA[";
2061
2062                         if (style->latextype == LATEX_ENVIRONMENT) break;
2063
2064                         if (style->labeltype == LABEL_MANUAL)
2065                                 item_name = "tag";
2066                         else
2067                                 item_name = "item";
2068
2069                         sgml::openTag(ofs, depth + 1, false, item_name);
2070                 }
2071                 break;
2072
2073                 default:
2074                         sgml::openTag(ofs, depth, false, style->latexname());
2075                         break;
2076                 }
2077
2078                 simpleLinuxDocOnePar(ofs, par, depth);
2079
2080                 par = par->next();
2081
2082                 ofs << "\n";
2083                 // write closing SGML tags
2084                 switch (style->latextype) {
2085                 case LATEX_COMMAND:
2086                         break;
2087                 case LATEX_ENVIRONMENT:
2088                 case LATEX_ITEM_ENVIRONMENT:
2089                 case LATEX_BIB_ENVIRONMENT:
2090                         if (style->latexparam() == "CDATA")
2091                                 ofs << "]]>";
2092                         break;
2093                 default:
2094                         sgml::closeTag(ofs, depth, false, style->latexname());
2095                         break;
2096                 }
2097         }
2098
2099         // Close open tags
2100         for (int i = depth; i >= 0; --i)
2101                 sgml::closeTag(ofs, depth, false, environment_stack[i]);
2102
2103         if (!body_only) {
2104                 ofs << "\n\n";
2105                 sgml::closeTag(ofs, 0, false, top_element);
2106         }
2107
2108         ofs.close();
2109         // How to check for successful close
2110
2111         // we want this to be true outside previews (for insetexternal)
2112         niceFile = true;
2113 }
2114
2115
2116 // checks, if newcol chars should be put into this line
2117 // writes newline, if necessary.
2118 namespace {
2119
2120 void sgmlLineBreak(ostream & os, string::size_type & colcount,
2121                           string::size_type newcol)
2122 {
2123         colcount += newcol;
2124         if (colcount > lyxrc.ascii_linelen) {
2125                 os << "\n";
2126                 colcount = newcol; // assume write after this call
2127         }
2128 }
2129
2130 enum PAR_TAG {
2131         NONE=0,
2132         TT = 1,
2133         SF = 2,
2134         BF = 4,
2135         IT = 8,
2136         SL = 16,
2137         EM = 32
2138 };
2139
2140
2141 string tag_name(PAR_TAG const & pt) {
2142         switch (pt) {
2143         case NONE: return "!-- --";
2144         case TT: return "tt";
2145         case SF: return "sf";
2146         case BF: return "bf";
2147         case IT: return "it";
2148         case SL: return "sl";
2149         case EM: return "em";
2150         }
2151         return "";
2152 }
2153
2154
2155 inline
2156 void operator|=(PAR_TAG & p1, PAR_TAG const & p2)
2157 {
2158         p1 = static_cast<PAR_TAG>(p1 | p2);
2159 }
2160
2161
2162 inline
2163 void reset(PAR_TAG & p1, PAR_TAG const & p2)
2164 {
2165         p1 = static_cast<PAR_TAG>(p1 & ~p2);
2166 }
2167
2168 } // anon
2169
2170
2171 // Handle internal paragraph parsing -- layout already processed.
2172 void Buffer::simpleLinuxDocOnePar(ostream & os,
2173         Paragraph * par,
2174         Paragraph::depth_type /*depth*/)
2175 {
2176         LyXLayout_ptr const & style = par->layout();
2177
2178         string::size_type char_line_count = 5;     // Heuristic choice ;-)
2179
2180         // gets paragraph main font
2181         LyXFont font_old;
2182         bool desc_on;
2183         if (style->labeltype == LABEL_MANUAL) {
2184                 font_old = style->labelfont;
2185                 desc_on = true;
2186         } else {
2187                 font_old = style->font;
2188                 desc_on = false;
2189         }
2190
2191         LyXFont::FONT_FAMILY family_type = LyXFont::ROMAN_FAMILY;
2192         LyXFont::FONT_SERIES series_type = LyXFont::MEDIUM_SERIES;
2193         LyXFont::FONT_SHAPE  shape_type  = LyXFont::UP_SHAPE;
2194         bool is_em = false;
2195
2196         stack<PAR_TAG> tag_state;
2197         // parsing main loop
2198         for (pos_type i = 0; i < par->size(); ++i) {
2199
2200                 PAR_TAG tag_close = NONE;
2201                 list < PAR_TAG > tag_open;
2202
2203                 LyXFont const font = par->getFont(params, i);
2204
2205                 if (font_old.family() != font.family()) {
2206                         switch (family_type) {
2207                         case LyXFont::SANS_FAMILY:
2208                                 tag_close |= SF;
2209                                 break;
2210                         case LyXFont::TYPEWRITER_FAMILY:
2211                                 tag_close |= TT;
2212                                 break;
2213                         default:
2214                                 break;
2215                         }
2216
2217                         family_type = font.family();
2218
2219                         switch (family_type) {
2220                         case LyXFont::SANS_FAMILY:
2221                                 tag_open.push_back(SF);
2222                                 break;
2223                         case LyXFont::TYPEWRITER_FAMILY:
2224                                 tag_open.push_back(TT);
2225                                 break;
2226                         default:
2227                                 break;
2228                         }
2229                 }
2230
2231                 if (font_old.series() != font.series()) {
2232                         switch (series_type) {
2233                         case LyXFont::BOLD_SERIES:
2234                                 tag_close |= BF;
2235                                 break;
2236                         default:
2237                                 break;
2238                         }
2239
2240                         series_type = font.series();
2241
2242                         switch (series_type) {
2243                         case LyXFont::BOLD_SERIES:
2244                                 tag_open.push_back(BF);
2245                                 break;
2246                         default:
2247                                 break;
2248                         }
2249
2250                 }
2251
2252                 if (font_old.shape() != font.shape()) {
2253                         switch (shape_type) {
2254                         case LyXFont::ITALIC_SHAPE:
2255                                 tag_close |= IT;
2256                                 break;
2257                         case LyXFont::SLANTED_SHAPE:
2258                                 tag_close |= SL;
2259                                 break;
2260                         default:
2261                                 break;
2262                         }
2263
2264                         shape_type = font.shape();
2265
2266                         switch (shape_type) {
2267                         case LyXFont::ITALIC_SHAPE:
2268                                 tag_open.push_back(IT);
2269                                 break;
2270                         case LyXFont::SLANTED_SHAPE:
2271                                 tag_open.push_back(SL);
2272                                 break;
2273                         default:
2274                                 break;
2275                         }
2276                 }
2277                 // handle <em> tag
2278                 if (font_old.emph() != font.emph()) {
2279                         if (font.emph() == LyXFont::ON) {
2280                                 tag_open.push_back(EM);
2281                                 is_em = true;
2282                         }
2283                         else if (is_em) {
2284                                 tag_close |= EM;
2285                                 is_em = false;
2286                         }
2287                 }
2288
2289                 list < PAR_TAG > temp;
2290                 while (!tag_state.empty() && tag_close) {
2291                         PAR_TAG k =  tag_state.top();
2292                         tag_state.pop();
2293                         os << "</" << tag_name(k) << '>';
2294                         if (tag_close & k)
2295                                 reset(tag_close,k);
2296                         else
2297                                 temp.push_back(k);
2298                 }
2299
2300                 for(list< PAR_TAG >::const_iterator j = temp.begin();
2301                     j != temp.end(); ++j) {
2302                         tag_state.push(*j);
2303                         os << '<' << tag_name(*j) << '>';
2304                 }
2305
2306                 for(list< PAR_TAG >::const_iterator j = tag_open.begin();
2307                     j != tag_open.end(); ++j) {
2308                         tag_state.push(*j);
2309                         os << '<' << tag_name(*j) << '>';
2310                 }
2311
2312                 char c = par->getChar(i);
2313
2314                 if (c == Paragraph::META_INSET) {
2315                         Inset * inset = par->getInset(i);
2316                         inset->linuxdoc(this, os);
2317                         font_old = font;
2318                         continue;
2319                 }
2320
2321                 if (style->latexparam() == "CDATA") {
2322                         // "TeX"-Mode on == > SGML-Mode on.
2323                         if (c != '\0')
2324                                 os << c;
2325                         ++char_line_count;
2326                 } else {
2327                         bool ws;
2328                         string str;
2329                         boost::tie(ws, str) = sgml::escapeChar(c);
2330                         if (ws && !style->free_spacing && !par->isFreeSpacing()) {
2331                                 // in freespacing mode, spaces are
2332                                 // non-breaking characters
2333                                 if (desc_on) {// if char is ' ' then...
2334
2335                                         ++char_line_count;
2336                                         sgmlLineBreak(os, char_line_count, 6);
2337                                         os << "</tag>";
2338                                         desc_on = false;
2339                                 } else  {
2340                                         sgmlLineBreak(os, char_line_count, 1);
2341                                         os << c;
2342                                 }
2343                         } else {
2344                                 os << str;
2345                                 char_line_count += str.length();
2346                         }
2347                 }
2348                 font_old = font;
2349         }
2350
2351         while (!tag_state.empty()) {
2352                 os << "</" << tag_name(tag_state.top()) << '>';
2353                 tag_state.pop();
2354         }
2355
2356         // resets description flag correctly
2357         if (desc_on) {
2358                 // <tag> not closed...
2359                 sgmlLineBreak(os, char_line_count, 6);
2360                 os << "</tag>";
2361         }
2362 }
2363
2364
2365 // Print an error message.
2366 void Buffer::sgmlError(Paragraph * /*par*/, int /*pos*/,
2367         string const & /*message*/) const
2368 {
2369 #ifdef WITH_WARNINGS
2370 #warning This is wrong we cannot insert an inset like this!!!
2371         // I guess this was Jose' so I explain you more or less why this
2372         // is wrong. This way you insert something in the paragraph and
2373         // don't tell it to LyXText (row rebreaking and undo handling!!!)
2374         // I deactivate this code, have a look at BufferView::insertErrors
2375         // how you should do this correctly! (Jug 20020315)
2376 #endif
2377 #if 0
2378         // insert an error marker in text
2379         InsetError * new_inset = new InsetError(message);
2380         par->insertInset(pos, new_inset, LyXFont(LyXFont::ALL_INHERIT,
2381                          params.language));
2382 #endif
2383 }
2384
2385
2386 void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
2387 {
2388         ofstream ofs(fname.c_str());
2389         if (!ofs) {
2390                 Alert::alert(_("LYX_ERROR:"), _("Cannot write file"), fname);
2391                 return;
2392         }
2393
2394         Paragraph * par = &*(paragraphs.begin());
2395
2396         niceFile = nice; // this will be used by Insetincludes.
2397
2398         LaTeXFeatures features(params);
2399         validate(features);
2400
2401         texrow.reset();
2402
2403         LyXTextClass const & tclass = params.getLyXTextClass();
2404         string top_element = tclass.latexname();
2405
2406         if (!only_body) {
2407                 ofs << "<!DOCTYPE " << top_element
2408                     << "  PUBLIC \"-//OASIS//DTD DocBook V4.1//EN\"";
2409
2410                 string preamble = params.preamble;
2411                 const string name = nice ? ChangeExtension(filename_, ".sgml")
2412                          : fname;
2413                 preamble += features.getIncludedFiles(name);
2414                 preamble += features.getLyXSGMLEntities();
2415
2416                 if (!preamble.empty()) {
2417                         ofs << "\n [ " << preamble << " ]";
2418                 }
2419                 ofs << ">\n\n";
2420         }
2421
2422         string top = top_element;
2423         top += " lang=\"";
2424         top += params.language->code();
2425         top += '"';
2426
2427         if (!params.options.empty()) {
2428                 top += ' ';
2429                 top += params.options;
2430         }
2431         sgml::openTag(ofs, 0, false, top);
2432
2433         ofs << "<!-- DocBook file was created by " << lyx_docversion
2434             << "\n  See http://www.lyx.org/ for more information -->\n";
2435
2436         vector<string> environment_stack(10);
2437         vector<string> environment_inner(10);
2438         vector<string> command_stack(10);
2439
2440         bool command_flag = false;
2441         Paragraph::depth_type command_depth = 0;
2442         Paragraph::depth_type command_base = 0;
2443         Paragraph::depth_type cmd_depth = 0;
2444         Paragraph::depth_type depth = 0; // paragraph depth
2445
2446         string item_name;
2447         string command_name;
2448
2449         while (par) {
2450                 string sgmlparam;
2451                 string c_depth;
2452                 string c_params;
2453                 int desc_on = 0; // description mode
2454
2455                 LyXLayout_ptr const & style = par->layout();
2456
2457                 // environment tag closing
2458                 for (; depth > par->params().depth(); --depth) {
2459                         if (environment_inner[depth] != "!-- --") {
2460                                 item_name = "listitem";
2461                                 sgml::closeTag(ofs, command_depth + depth, false, item_name);
2462                                 if (environment_inner[depth] == "varlistentry")
2463                                         sgml::closeTag(ofs, depth+command_depth, false, environment_inner[depth]);
2464                         }
2465                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
2466                         environment_stack[depth].erase();
2467                         environment_inner[depth].erase();
2468                 }
2469
2470                 if (depth == par->params().depth()
2471                    && environment_stack[depth] != style->latexname()
2472                    && !environment_stack[depth].empty()) {
2473                         if (environment_inner[depth] != "!-- --") {
2474                                 item_name= "listitem";
2475                                 sgml::closeTag(ofs, command_depth+depth, false, item_name);
2476                                 if (environment_inner[depth] == "varlistentry")
2477                                         sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
2478                         }
2479
2480                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
2481
2482                         environment_stack[depth].erase();
2483                         environment_inner[depth].erase();
2484                 }
2485
2486                 // Write opening SGML tags.
2487                 switch (style->latextype) {
2488                 case LATEX_PARAGRAPH:
2489                         sgml::openTag(ofs, depth + command_depth,
2490                                     false, style->latexname());
2491                         break;
2492
2493                 case LATEX_COMMAND:
2494                         if (depth != 0)
2495                                 sgmlError(par, 0,
2496                                           _("Error: Wrong depth for LatexType Command.\n"));
2497
2498                         command_name = style->latexname();
2499
2500                         sgmlparam = style->latexparam();
2501                         c_params = split(sgmlparam, c_depth,'|');
2502
2503                         cmd_depth = lyx::atoi(c_depth);
2504
2505                         if (command_flag) {
2506                                 if (cmd_depth < command_base) {
2507                                         for (Paragraph::depth_type j = command_depth;
2508                                              j >= command_base; --j) {
2509                                                 sgml::closeTag(ofs, j, false, command_stack[j]);
2510                                                 ofs << endl;
2511                                         }
2512                                         command_depth = command_base = cmd_depth;
2513                                 } else if (cmd_depth <= command_depth) {
2514                                         for (int j = command_depth;
2515                                              j >= int(cmd_depth); --j) {
2516                                                 sgml::closeTag(ofs, j, false, command_stack[j]);
2517                                                 ofs << endl;
2518                                         }
2519                                         command_depth = cmd_depth;
2520                                 } else
2521                                         command_depth = cmd_depth;
2522                         } else {
2523                                 command_depth = command_base = cmd_depth;
2524                                 command_flag = true;
2525                         }
2526                         if (command_stack.size() == command_depth + 1)
2527                                 command_stack.push_back(string());
2528                         command_stack[command_depth] = command_name;
2529
2530                         // treat label as a special case for
2531                         // more WYSIWYM handling.
2532                         // This is a hack while paragraphs can't have
2533                         // attributes, like id in this case.
2534                         if (par->isInset(0)) {
2535                                 Inset * inset = par->getInset(0);
2536                                 Inset::Code lyx_code = inset->lyxCode();
2537                                 if (lyx_code == Inset::LABEL_CODE) {
2538                                         command_name += " id=\"";
2539                                         command_name += (static_cast<InsetCommand *>(inset))->getContents();
2540                                         command_name += '"';
2541                                         desc_on = 3;
2542                                 }
2543                         }
2544
2545                         sgml::openTag(ofs, depth + command_depth, false, command_name);
2546
2547                         item_name = c_params.empty() ? "title" : c_params;
2548                         sgml::openTag(ofs, depth + 1 + command_depth, false, item_name);
2549                         break;
2550
2551                 case LATEX_ENVIRONMENT:
2552                 case LATEX_ITEM_ENVIRONMENT:
2553                         if (depth < par->params().depth()) {
2554                                 depth = par->params().depth();
2555                                 environment_stack[depth].erase();
2556                         }
2557
2558                         if (environment_stack[depth] != style->latexname()) {
2559                                 if (environment_stack.size() == depth + 1) {
2560                                         environment_stack.push_back("!-- --");
2561                                         environment_inner.push_back("!-- --");
2562                                 }
2563                                 environment_stack[depth] = style->latexname();
2564                                 environment_inner[depth] = "!-- --";
2565                                 sgml::openTag(ofs, depth + command_depth, false, environment_stack[depth]);
2566                         } else {
2567                                 if (environment_inner[depth] != "!-- --") {
2568                                         item_name= "listitem";
2569                                         sgml::closeTag(ofs, command_depth + depth, false, item_name);
2570                                         if (environment_inner[depth] == "varlistentry")
2571                                                 sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
2572                                 }
2573                         }
2574
2575                         if (style->latextype == LATEX_ENVIRONMENT) {
2576                                 if (!style->latexparam().empty()) {
2577                                         if (style->latexparam() == "CDATA")
2578                                                 ofs << "<![CDATA[";
2579                                         else
2580                                                 sgml::openTag(ofs, depth + command_depth, false, style->latexparam());
2581                                 }
2582                                 break;
2583                         }
2584
2585                         desc_on = (style->labeltype == LABEL_MANUAL);
2586
2587                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
2588                         sgml::openTag(ofs, depth + 1 + command_depth,
2589                                     false, environment_inner[depth]);
2590
2591                         item_name = desc_on ? "term" : "para";
2592                         sgml::openTag(ofs, depth + 1 + command_depth,
2593                                     false, item_name);
2594                         break;
2595                 default:
2596                         sgml::openTag(ofs, depth + command_depth,
2597                                     false, style->latexname());
2598                         break;
2599                 }
2600
2601                 simpleDocBookOnePar(ofs, par, desc_on,
2602                                     depth + 1 + command_depth);
2603                 par = par->next();
2604
2605                 string end_tag;
2606                 // write closing SGML tags
2607                 switch (style->latextype) {
2608                 case LATEX_COMMAND:
2609                         end_tag = c_params.empty() ? "title" : c_params;
2610                         sgml::closeTag(ofs, depth + command_depth,
2611                                      false, end_tag);
2612                         break;
2613                 case LATEX_ENVIRONMENT:
2614                         if (!style->latexparam().empty()) {
2615                                 if (style->latexparam() == "CDATA")
2616                                         ofs << "]]>";
2617                                 else
2618                                         sgml::closeTag(ofs, depth + command_depth, false, style->latexparam());
2619                         }
2620                         break;
2621                 case LATEX_ITEM_ENVIRONMENT:
2622                         if (desc_on == 1) break;
2623                         end_tag = "para";
2624                         sgml::closeTag(ofs, depth + 1 + command_depth, false, end_tag);
2625                         break;
2626                 case LATEX_PARAGRAPH:
2627                         sgml::closeTag(ofs, depth + command_depth, false, style->latexname());
2628                         break;
2629                 default:
2630                         sgml::closeTag(ofs, depth + command_depth, false, style->latexname());
2631                         break;
2632                 }
2633         }
2634
2635         // Close open tags
2636         for (int d = depth; d >= 0; --d) {
2637                 if (!environment_stack[depth].empty()) {
2638                         if (environment_inner[depth] != "!-- --") {
2639                                 item_name = "listitem";
2640                                 sgml::closeTag(ofs, command_depth + depth, false, item_name);
2641                                if (environment_inner[depth] == "varlistentry")
2642                                        sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
2643                         }
2644
2645                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
2646                 }
2647         }
2648
2649         for (int j = command_depth; j >= 0 ; --j)
2650                 if (!command_stack[j].empty()) {
2651                         sgml::closeTag(ofs, j, false, command_stack[j]);
2652                         ofs << endl;
2653                 }
2654
2655         ofs << "\n\n";
2656         sgml::closeTag(ofs, 0, false, top_element);
2657
2658         ofs.close();
2659         // How to check for successful close
2660
2661         // we want this to be true outside previews (for insetexternal)
2662         niceFile = true;
2663 }
2664
2665
2666 void Buffer::simpleDocBookOnePar(ostream & os,
2667                                  Paragraph * par, int & desc_on,
2668                                  Paragraph::depth_type depth) const
2669 {
2670         bool emph_flag = false;
2671
2672         LyXLayout_ptr const & style = par->layout();
2673
2674         LyXFont font_old = (style->labeltype == LABEL_MANUAL ? style->labelfont : style->font);
2675
2676         int char_line_count = depth;
2677         //if (!style.free_spacing)
2678         //      os << string(depth,' ');
2679
2680         // parsing main loop
2681         for (pos_type i = 0; i < par->size(); ++i) {
2682                 LyXFont font = par->getFont(params, i);
2683
2684                 // handle <emphasis> tag
2685                 if (font_old.emph() != font.emph()) {
2686                         if (font.emph() == LyXFont::ON) {
2687                                 if (style->latexparam() == "CDATA")
2688                                         os << "]]>";
2689                                 os << "<emphasis>";
2690                                 if (style->latexparam() == "CDATA")
2691                                         os << "<![CDATA[";
2692                                 emph_flag = true;
2693                         } else if (i) {
2694                                 if (style->latexparam() == "CDATA")
2695                                         os << "]]>";
2696                                 os << "</emphasis>";
2697                                 if (style->latexparam() == "CDATA")
2698                                         os << "<![CDATA[";
2699                                 emph_flag = false;
2700                         }
2701                 }
2702
2703
2704                 if (par->isInset(i)) {
2705                         Inset * inset = par->getInset(i);
2706                         // don't print the inset in position 0 if desc_on == 3 (label)
2707                         if (i || desc_on != 3) {
2708                                 if (style->latexparam() == "CDATA")
2709                                         os << "]]>";
2710                                 inset->docbook(this, os, false);
2711                                 if (style->latexparam() == "CDATA")
2712                                         os << "<![CDATA[";
2713                         }
2714                 } else {
2715                         char c = par->getChar(i);
2716                         bool ws;
2717                         string str;
2718                         boost::tie(ws, str) = sgml::escapeChar(c);
2719
2720                         if (style->pass_thru) {
2721                                 os << c;
2722                         } else if (style->free_spacing || par->isFreeSpacing() || c != ' ') {
2723                                         os << str;
2724                         } else if (desc_on ==1) {
2725                                 ++char_line_count;
2726                                 os << "\n</term><listitem><para>";
2727                                 desc_on = 2;
2728                         } else {
2729                                 os << ' ';
2730                         }
2731                 }
2732                 font_old = font;
2733         }
2734
2735         if (emph_flag) {
2736                 if (style->latexparam() == "CDATA")
2737                         os << "]]>";
2738                 os << "</emphasis>";
2739                 if (style->latexparam() == "CDATA")
2740                         os << "<![CDATA[";
2741         }
2742
2743         // resets description flag correctly
2744         if (desc_on == 1) {
2745                 // <term> not closed...
2746                 os << "</term>\n<listitem><para>&nbsp;</para>";
2747         }
2748         if (style->free_spacing)
2749                 os << '\n';
2750 }
2751
2752
2753 // chktex should be run with these flags disabled: 3, 22, 25, 30, 38(?)
2754 // Other flags: -wall -v0 -x
2755 int Buffer::runChktex()
2756 {
2757         if (!users->text) return 0;
2758
2759         users->owner()->busy(true);
2760
2761         // get LaTeX-Filename
2762         string const name = getLatexName();
2763         string path = filePath();
2764
2765         string const org_path = path;
2766         if (lyxrc.use_tempdir || !IsDirWriteable(path)) {
2767                 path = tmppath;
2768         }
2769
2770         Path p(path); // path to LaTeX file
2771         users->owner()->message(_("Running chktex..."));
2772
2773         // Remove all error insets
2774         bool const removedErrorInsets = users->removeAutoInsets();
2775
2776         // Generate the LaTeX file if neccessary
2777         makeLaTeXFile(name, org_path, false);
2778
2779         TeXErrors terr;
2780         Chktex chktex(lyxrc.chktex_command, name, filePath());
2781         int res = chktex.run(terr); // run chktex
2782
2783         if (res == -1) {
2784                 Alert::alert(_("chktex did not work!"),
2785                            _("Could not run with file:"), name);
2786         } else if (res > 0) {
2787                 // Insert all errors as errors boxes
2788                 users->insertErrors(terr);
2789         }
2790
2791         // if we removed error insets before we ran chktex or if we inserted
2792         // error insets after we ran chktex, this must be run:
2793         if (removedErrorInsets || res) {
2794 #warning repaint needed here, or do you mean update() ?
2795                 users->repaint();
2796                 users->fitCursor();
2797         }
2798         users->owner()->busy(false);
2799
2800         return res;
2801 }
2802
2803
2804 void Buffer::validate(LaTeXFeatures & features) const
2805 {
2806         LyXTextClass const & tclass = params.getLyXTextClass();
2807
2808         if (params.tracking_changes) {
2809                 features.require("dvipost");
2810                 features.require("color");
2811         }
2812
2813         // AMS Style is at document level
2814         if (params.use_amsmath == BufferParams::AMS_ON
2815             || tclass.provides(LyXTextClass::amsmath))
2816                 features.require("amsmath");
2817
2818         for_each(paragraphs.begin(), paragraphs.end(),
2819                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
2820
2821         // the bullet shapes are buffer level not paragraph level
2822         // so they are tested here
2823         for (int i = 0; i < 4; ++i) {
2824                 if (params.user_defined_bullets[i] != ITEMIZE_DEFAULTS[i]) {
2825                         int const font = params.user_defined_bullets[i].getFont();
2826                         if (font == 0) {
2827                                 int const c = params
2828                                         .user_defined_bullets[i]
2829                                         .getCharacter();
2830                                 if (c == 16
2831                                    || c == 17
2832                                    || c == 25
2833                                    || c == 26
2834                                    || c == 31) {
2835                                         features.require("latexsym");
2836                                 }
2837                         } else if (font == 1) {
2838                                 features.require("amssymb");
2839                         } else if ((font >= 2 && font <= 5)) {
2840                                 features.require("pifont");
2841                         }
2842                 }
2843         }
2844
2845         if (lyxerr.debugging(Debug::LATEX)) {
2846                 features.showStruct();
2847         }
2848 }
2849
2850
2851 vector<string> const Buffer::getLabelList() const
2852 {
2853         /// if this is a child document and the parent is already loaded
2854         /// Use the parent's list instead  [ale990407]
2855         if (!params.parentname.empty()
2856             && bufferlist.exists(params.parentname)) {
2857                 Buffer const * tmp = bufferlist.getBuffer(params.parentname);
2858                 if (tmp)
2859                         return tmp->getLabelList();
2860         }
2861
2862         vector<string> label_list;
2863         for (inset_iterator it = inset_const_iterator_begin();
2864              it != inset_const_iterator_end(); ++it) {
2865                 vector<string> const l = it->getLabelList();
2866                 label_list.insert(label_list.end(), l.begin(), l.end());
2867         }
2868         return label_list;
2869 }
2870
2871
2872 // This is also a buffer property (ale)
2873 void Buffer::fillWithBibKeys(vector<pair<string, string> > & keys) const
2874 {
2875         /// if this is a child document and the parent is already loaded
2876         /// use the parent's list instead  [ale990412]
2877         if (!params.parentname.empty() && bufferlist.exists(params.parentname)) {
2878                 Buffer const * tmp = bufferlist.getBuffer(params.parentname);
2879                 if (tmp) {
2880                         tmp->fillWithBibKeys(keys);
2881                         return;
2882                 }
2883         }
2884
2885         for (inset_iterator it = inset_const_iterator_begin();
2886                 it != inset_const_iterator_end(); ++it) {
2887                 if (it->lyxCode() == Inset::BIBTEX_CODE)
2888                         static_cast<InsetBibtex &>(*it).fillWithBibKeys(this, keys);
2889                 else if (it->lyxCode() == Inset::INCLUDE_CODE)
2890                         static_cast<InsetInclude &>(*it).fillWithBibKeys(keys);
2891                 else if (it->lyxCode() == Inset::BIBITEM_CODE) {
2892                         InsetBibitem & bib = static_cast<InsetBibitem &>(*it);
2893                         string const key = bib.getContents();
2894                         string const opt = bib.getOptions();
2895                         string const ref; // = pit->asString(this, false);
2896                         string const info = opt + "TheBibliographyRef" + ref;
2897                         keys.push_back(pair<string, string>(key, info));
2898                 }
2899         }
2900 }
2901
2902
2903 bool Buffer::isDepClean(string const & name) const
2904 {
2905         DepClean::const_iterator it = dep_clean_.find(name);
2906         if (it == dep_clean_.end())
2907                 return true;
2908         return it->second;
2909 }
2910
2911
2912 void Buffer::markDepClean(string const & name)
2913 {
2914         dep_clean_[name] = true;
2915 }
2916
2917
2918 bool Buffer::dispatch(string const & command, bool * result)
2919 {
2920         // Split command string into command and argument
2921         string cmd;
2922         string line = ltrim(command);
2923         string const arg = trim(split(line, cmd, ' '));
2924
2925         return dispatch(lyxaction.LookupFunc(cmd), arg, result);
2926 }
2927
2928
2929 bool Buffer::dispatch(int action, string const & argument, bool * result)
2930 {
2931         bool dispatched = true;
2932
2933         switch (action) {
2934                 case LFUN_EXPORT: {
2935                         bool const tmp = Exporter::Export(this, argument, false);
2936                         if (result)
2937                                 *result = tmp;
2938                         break;
2939                 }
2940
2941                 default:
2942                         dispatched = false;
2943         }
2944         return dispatched;
2945 }
2946
2947
2948 void Buffer::resizeInsets(BufferView * bv)
2949 {
2950         /// then remove all LyXText in text-insets
2951         for_each(paragraphs.begin(), paragraphs.end(),
2952                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
2953 }
2954
2955
2956 void Buffer::redraw()
2957 {
2958 #warning repaint needed here, or do you mean update() ?
2959         users->repaint();
2960         users->fitCursor();
2961 }
2962
2963
2964 void Buffer::changeLanguage(Language const * from, Language const * to)
2965 {
2966
2967         ParIterator end = par_iterator_end();
2968         for (ParIterator it = par_iterator_begin(); it != end; ++it)
2969                 (*it)->changeLanguage(params, from, to);
2970 }
2971
2972
2973 bool Buffer::isMultiLingual()
2974 {
2975         ParIterator end = par_iterator_end();
2976         for (ParIterator it = par_iterator_begin(); it != end; ++it)
2977                 if ((*it)->isMultiLingual(params))
2978                         return true;
2979
2980         return false;
2981 }
2982
2983
2984 void Buffer::inset_iterator::setParagraph()
2985 {
2986         while (pit != pend) {
2987                 it = pit->insetlist.begin();
2988                 if (it != pit->insetlist.end())
2989                         return;
2990                 ++pit;
2991         }
2992 }
2993
2994
2995 Inset * Buffer::getInsetFromID(int id_arg) const
2996 {
2997         for (inset_iterator it = inset_const_iterator_begin();
2998                  it != inset_const_iterator_end(); ++it)
2999         {
3000                 if (it->id() == id_arg)
3001                         return &(*it);
3002                 Inset * in = it->getInsetFromID(id_arg);
3003                 if (in)
3004                         return in;
3005         }
3006         return 0;
3007 }
3008
3009
3010 Paragraph * Buffer::getParFromID(int id) const
3011 {
3012         if (id < 0)
3013                 return 0;
3014
3015         // why should we allow < 0 ??
3016         //lyx::Assert(id >= 0);
3017
3018         ParConstIterator it(par_iterator_begin());
3019         ParConstIterator end(par_iterator_end());
3020
3021         for (; it != end; ++it) {
3022                 // go on then, show me how to remove
3023                 // the cast
3024                 if ((*it)->id() == id) {
3025                         return const_cast<Paragraph*>(*it);
3026                 }
3027         }
3028
3029         return 0;
3030 }
3031
3032
3033 ParIterator Buffer::par_iterator_begin()
3034 {
3035         return ParIterator(&*(paragraphs.begin()));
3036 }
3037
3038
3039 ParIterator Buffer::par_iterator_end()
3040 {
3041         return ParIterator();
3042 }
3043
3044 ParConstIterator Buffer::par_iterator_begin() const
3045 {
3046         return ParConstIterator(&*(paragraphs.begin()));
3047 }
3048
3049
3050 ParConstIterator Buffer::par_iterator_end() const
3051 {
3052         return ParConstIterator();
3053 }
3054
3055
3056
3057 void Buffer::addUser(BufferView * u)
3058 {
3059         users = u;
3060 }
3061
3062
3063 void Buffer::delUser(BufferView *)
3064 {
3065         users = 0;
3066 }
3067
3068
3069 Language const * Buffer::getLanguage() const
3070 {
3071         return params.language;
3072 }
3073
3074
3075 bool Buffer::isClean() const
3076 {
3077         return lyx_clean;
3078 }
3079
3080
3081 bool Buffer::isBakClean() const
3082 {
3083         return bak_clean;
3084 }
3085
3086
3087 void Buffer::markClean() const
3088 {
3089         if (!lyx_clean) {
3090                 lyx_clean = true;
3091                 updateTitles();
3092         }
3093         // if the .lyx file has been saved, we don't need an
3094         // autosave
3095         bak_clean = true;
3096 }
3097
3098
3099 void Buffer::markBakClean()
3100 {
3101         bak_clean = true;
3102 }
3103
3104
3105 void Buffer::setUnnamed(bool flag)
3106 {
3107         unnamed = flag;
3108 }
3109
3110
3111 bool Buffer::isUnnamed()
3112 {
3113         return unnamed;
3114 }
3115
3116
3117 void Buffer::markDirty()
3118 {
3119         if (lyx_clean) {
3120                 lyx_clean = false;
3121                 updateTitles();
3122         }
3123         bak_clean = false;
3124
3125         DepClean::iterator it = dep_clean_.begin();
3126         DepClean::const_iterator const end = dep_clean_.end();
3127
3128         for (; it != end; ++it) {
3129                 it->second = false;
3130         }
3131 }
3132
3133
3134 string const & Buffer::fileName() const
3135 {
3136         return filename_;
3137 }
3138
3139
3140 string const & Buffer::filePath() const
3141 {
3142         return filepath_;
3143 }
3144
3145
3146 bool Buffer::isReadonly() const
3147 {
3148         return read_only;
3149 }
3150
3151
3152 BufferView * Buffer::getUser() const
3153 {
3154         return users;
3155 }
3156
3157
3158 void Buffer::setParentName(string const & name)
3159 {
3160         params.parentname = name;
3161 }
3162
3163
3164 Buffer::inset_iterator::inset_iterator()
3165         : pit(0), pend(0)
3166 {}
3167
3168
3169 Buffer::inset_iterator::inset_iterator(base_type p, base_type e)
3170         : pit(p), pend(e)
3171 {
3172         setParagraph();
3173 }
3174
3175
3176 Buffer::inset_iterator & Buffer::inset_iterator::operator++()
3177 {
3178         if (pit != pend) {
3179                 ++it;
3180                 if (it == pit->insetlist.end()) {
3181                         ++pit;
3182                         setParagraph();
3183                 }
3184         }
3185         return *this;
3186 }
3187
3188
3189 Buffer::inset_iterator Buffer::inset_iterator::operator++(int)
3190 {
3191         inset_iterator tmp = *this;
3192         ++*this;
3193         return tmp;
3194 }
3195
3196
3197 Buffer::inset_iterator::reference Buffer::inset_iterator::operator*()
3198 {
3199         return *it.getInset();
3200 }
3201
3202
3203 Buffer::inset_iterator::pointer Buffer::inset_iterator::operator->()
3204 {
3205         return it.getInset();
3206 }
3207
3208
3209 Paragraph * Buffer::inset_iterator::getPar()
3210 {
3211         return &(*pit);
3212 }
3213
3214
3215 lyx::pos_type Buffer::inset_iterator::getPos() const
3216 {
3217         return it.getPos();
3218 }
3219
3220
3221 bool operator==(Buffer::inset_iterator const & iter1,
3222                 Buffer::inset_iterator const & iter2)
3223 {
3224         return iter1.pit == iter2.pit
3225                 && (iter1.pit == iter1.pend || iter1.it == iter2.it);
3226 }
3227
3228
3229 bool operator!=(Buffer::inset_iterator const & iter1,
3230                 Buffer::inset_iterator const & iter2)
3231 {
3232         return !(iter1 == iter2);
3233 }