src/buffer.C

   1 /**
   2  * \file buffer.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13 #include "buffer.h"
  14 #include "buffer_funcs.h"
  15 #include "bufferlist.h"
  16 #include "LyXAction.h"
  17 #include "lyxrc.h"
  18 #include "lyxlex.h"
  19 #include "tex-strings.h"
  20 #include "layout.h"
  21 #include "bufferview_funcs.h"
  22 #include "lyxfont.h"
  23 #include "version.h"
  24 #include "LaTeX.h"
  25 #include "Chktex.h"
  26 #include "debug.h"
  27 #include "LaTeXFeatures.h"
  28 #include "lyxtext.h"
  29 #include "gettext.h"
  30 #include "language.h"
  31 #include "exporter.h"
  32 #include "errorlist.h"
  33 #include "Lsstream.h"
  34 #include "format.h"
  35 #include "ParagraphParameters.h"
  36 #include "iterators.h"
  37 #include "lyxtextclasslist.h"
  38 #include "sgml.h"
  39 #include "paragraph_funcs.h"
  40 #include "messages.h"
  41 #include "author.h"
  42
  43 #include "frontends/LyXView.h"
  44
  45 #include "mathed/formulamacro.h"
  46 #include "mathed/formula.h"
  47
  48 #include "insets/insetbibitem.h"
  49 #include "insets/insetbibtex.h"
  50 #include "insets/insetinclude.h"
  51 #include "insets/insettext.h"
  52
  53 #include "frontends/Dialogs.h"
  54 #include "frontends/Alert.h"
  55
  56 #include "graphics/Previews.h"
  57
  58 #include "support/LAssert.h"
  59 #include "support/textutils.h"
  60 #include "support/filetools.h"
  61 #include "support/path.h"
  62 #include "support/os.h"
  63 #include "support/tostr.h"
  64 #include "support/lyxlib.h"
  65 #include "support/FileInfo.h"
  66 #include "support/lyxmanip.h"
  67 #include "support/lyxtime.h"
  68 #include "support/gzstream.h"
  69
  70 #include <boost/bind.hpp>
  71 #include <boost/tuple/tuple.hpp>
  72
  73 #include <fstream>
  74 #include <iomanip>
  75 #include <map>
  76 #include <stack>
  77 #include <list>
  78 #include <algorithm>
  79
  80 #include <cstdlib>
  81 #include <cmath>
  82 #include <unistd.h>
  83 #include <sys/types.h>
  84 #include <utime.h>
  85
  86 #ifdef HAVE_LOCALE
  87 #include <locale>
  88 #endif
  89
  90 using namespace lyx::support;
  91
  92 #ifndef CXX_GLOBAL_CSTD
  93 using std::pow;
  94 #endif
  95
  96 using std::ostream;
  97 using std::ofstream;
  98 using std::ifstream;
  99 using std::fstream;
 100 using std::ios;
 101 using std::setw;
 102 using std::endl;
 103 using std::pair;
 104 using std::make_pair;
 105 using std::vector;
 106 using std::map;
 107 using std::stack;
 108 using std::list;
 109 using std::for_each;
 110
 111 using lyx::pos_type;
 112 using lyx::textclass_type;
 113
 114 // all these externs should eventually be removed.
 115 extern BufferList bufferlist;
 116
 117 namespace {
 118
 119 const int LYX_FORMAT = 225;
 120
 121 bool openFileWrite(ofstream & ofs, string const & fname)
 122 {
 123         ofs.open(fname.c_str());
 124         if (!ofs) {
 125                 string const file = MakeDisplayPath(fname, 50);
 126                 string text = bformat(_("Could not open the specified "
 127                                         "document\n%1$s."), file);
 128                 Alert::error(_("Could not open file"), text);
 129                 return false;
 130         }
 131         return true;
 132 }
 133
 134
 135 } // namespace anon
 136
 137 Buffer::Buffer(string const & file, bool ronly)
 138         : niceFile(true), lyx_clean(true), bak_clean(true),
 139           unnamed(false), read_only(ronly),
 140           filename_(file)
 141 {
 142         lyxerr[Debug::INFO] << "Buffer::Buffer()" << endl;
 143         filepath_ = OnlyPath(file);
 144         lyxvc.buffer(this);
 145         if (read_only || lyxrc.use_tempdir) {
 146                 tmppath = CreateBufferTmpDir();
 147         } else {
 148                 tmppath.erase();
 149         }
 150
 151         // set initial author
 152         authors().record(Author(lyxrc.user_name, lyxrc.user_email));
 153 }
 154
 155
 156 Buffer::~Buffer()
 157 {
 158         lyxerr[Debug::INFO] << "Buffer::~Buffer()" << endl;
 159         // here the buffer should take care that it is
 160         // saved properly, before it goes into the void.
 161
 162         closing();
 163
 164         if (!tmppath.empty() && destroyDir(tmppath) != 0) {
 165                 Alert::warning(_("Could not remove temporary directory"),
 166                         bformat(_("Could not remove the temporary directory %1$s"), tmppath));
 167         }
 168
 169         paragraphs.clear();
 170
 171         // Remove any previewed LaTeX snippets assocoated with this buffer.
 172         lyx::graphics::Previews::get().removeLoader(this);
 173 }
 174
 175
 176 string const Buffer::getLatexName(bool no_path) const
 177 {
 178         string const name = ChangeExtension(MakeLatexName(fileName()), ".tex");
 179         return no_path ? OnlyFilename(name) : name;
 180 }
 181
 182
 183 pair<Buffer::LogType, string> const Buffer::getLogName() const
 184 {
 185         string const filename = getLatexName(false);
 186
 187         if (filename.empty())
 188                 return make_pair(Buffer::latexlog, string());
 189
 190         string path = OnlyPath(filename);
 191
 192         if (lyxrc.use_tempdir || !IsDirWriteable(path))
 193                 path = tmppath;
 194
 195         string const fname = AddName(path,
 196                                      OnlyFilename(ChangeExtension(filename,
 197                                                                   ".log")));
 198         string const bname =
 199                 AddName(path, OnlyFilename(
 200                         ChangeExtension(filename,
 201                                         formats.extension("literate") + ".out")));
 202
 203         // If no Latex log or Build log is newer, show Build log
 204
 205         FileInfo const f_fi(fname);
 206         FileInfo const b_fi(bname);
 207
 208         if (b_fi.exist() &&
 209             (!f_fi.exist() || f_fi.getModificationTime() < b_fi.getModificationTime())) {
 210                 lyxerr[Debug::FILES] << "Log name calculated as: " << bname << endl;
 211                 return make_pair(Buffer::buildlog, bname);
 212         }
 213         lyxerr[Debug::FILES] << "Log name calculated as: " << fname << endl;
 214         return make_pair(Buffer::latexlog, fname);
 215 }
 216
 217
 218 void Buffer::setReadonly(bool flag)
 219 {
 220         if (read_only != flag) {
 221                 read_only = flag;
 222                 readonly(flag);
 223         }
 224 }
 225
 226
 227 AuthorList & Buffer::authors()
 228 {
 229         return params.authorlist;
 230 }
 231
 232
 233 void Buffer::setFileName(string const & newfile)
 234 {
 235         filename_ = MakeAbsPath(newfile);
 236         filepath_ = OnlyPath(filename_);
 237         setReadonly(IsFileWriteable(filename_) == 0);
 238         updateTitles();
 239 }
 240
 241
 242 // We'll remove this later. (Lgb)
 243 namespace {
 244
 245 void unknownClass(string const & unknown)
 246 {
 247         Alert::warning(_("Unknown document class"),
 248                 bformat(_("Using the default document class, because the "
 249                         " class %1$s is unknown."), unknown));
 250 }
 251
 252 } // anon
 253
 254 int Buffer::readHeader(LyXLex & lex)
 255 {
 256         int unknown_tokens = 0;
 257
 258         while (lex.isOK()) {
 259                 lex.nextToken();
 260                 string const token = lex.getString();
 261
 262                 if (token.empty())
 263                         continue;
 264
 265                 if (token == "\\end_header")
 266                         break;
 267
 268                 lyxerr[Debug::PARSER] << "Handling header token: `"
 269                                       << token << '\'' << endl;
 270
 271
 272                 string unknown = params.readToken(lex, token);
 273                 if (!unknown.empty()) {
 274                         if (unknown[0] != '\\') {
 275                                 unknownClass(unknown);
 276                         } else {
 277                                 ++unknown_tokens;
 278                                 string const s = bformat(_("Unknown token: "
 279                                                            "%1$s %2$s\n"),
 280                                                          token,
 281                                                          lex.getString());
 282                                 error(ErrorItem(_("Header error"), s,
 283                                                 -1, 0, 0));
 284                         }
 285                 }
 286         }
 287         return unknown_tokens;
 288 }
 289
 290
 291 // candidate for move to BufferView
 292 // (at least some parts in the beginning of the func)
 293 //
 294 // Uwe C. Schroeder
 295 // changed to be public and have one parameter
 296 // if par = 0 normal behavior
 297 // else insert behavior
 298 // Returns false if "\the_end" is not read (Asger)
 299 bool Buffer::readBody(LyXLex & lex, ParagraphList::iterator pit)
 300 {
 301         Paragraph::depth_type depth = 0;
 302         bool the_end_read = false;
 303
 304         if (paragraphs.empty()) {
 305                 readHeader(lex);
 306                 if (!params.getLyXTextClass().load()) {
 307                         string theclass = params.getLyXTextClass().name();
 308                         Alert::error(_("Can't load document class"), bformat(
 309                                         "Using the default document class, because the "
 310                                         " class %1$s could not be loaded.", theclass));
 311                         params.textclass = 0;
 312                 }
 313         } else {
 314                 // We don't want to adopt the parameters from the
 315                 // document we insert, so read them into a temporary buffer
 316                 // and then discard it
 317
 318                 Buffer tmpbuf("", false);
 319                 tmpbuf.readHeader(lex);
 320         }
 321
 322         while (lex.isOK()) {
 323                 lex.nextToken();
 324                 string const token = lex.getString();
 325
 326                 if (token.empty())
 327                         continue;
 328
 329                 lyxerr[Debug::PARSER] << "Handling token: `"
 330                                       << token << '\'' << endl;
 331
 332                 if (token == "\\the_end") {
 333                         the_end_read = true;
 334                         continue;
 335                 }
 336
 337                 readParagraph(lex, token, paragraphs, pit, depth);
 338         }
 339
 340         return the_end_read;
 341 }
 342
 343
 344 int Buffer::readParagraph(LyXLex & lex, string const & token,
 345                           ParagraphList & pars, ParagraphList::iterator & pit,
 346                           Paragraph::depth_type & depth)
 347 {
 348         static Change current_change;
 349         int unknown = 0;
 350
 351         if (token == "\\layout") {
 352                 lex.pushToken(token);
 353
 354                 Paragraph par;
 355                 par.params().depth(depth);
 356                 if (params.tracking_changes)
 357                         par.trackChanges();
 358                 LyXFont f(LyXFont::ALL_INHERIT, params.language);
 359                 par.setFont(0, f);
 360
 361                 // insert after
 362                 if (pit != pars.end())
 363                         ++pit;
 364
 365                 pit = pars.insert(pit, par);
 366
 367                 // FIXME: goddamn InsetTabular makes us pass a Buffer
 368                 // not BufferParams
 369                 ::readParagraph(*this, *pit, lex);
 370
 371         } else if (token == "\\begin_deeper") {
 372                 ++depth;
 373         } else if (token == "\\end_deeper") {
 374                 if (!depth) {
 375                         lex.printError("\\end_deeper: " "depth is already null");
 376                 } else {
 377                         --depth;
 378                 }
 379         } else {
 380                 ++unknown;
 381         }
 382         return unknown;
 383 }
 384
 385
 386 // needed to insert the selection
 387 void Buffer::insertStringAsLines(ParagraphList::iterator & par, pos_type & pos,
 388                                  LyXFont const & fn,string const & str)
 389 {
 390         LyXLayout_ptr const & layout = par->layout();
 391
 392         LyXFont font = fn;
 393
 394         par->checkInsertChar(font);
 395         // insert the string, don't insert doublespace
 396         bool space_inserted = true;
 397         bool autobreakrows = !par->inInset() ||
 398                 static_cast<InsetText *>(par->inInset())->getAutoBreakRows();
 399         for(string::const_iterator cit = str.begin();
 400             cit != str.end(); ++cit) {
 401                 if (*cit == '\n') {
 402                         if (autobreakrows && (!par->empty() || par->allowEmpty())) {
 403                                 breakParagraph(params, paragraphs, par, pos,
 404                                                layout->isEnvironment());
 405                                 ++par;
 406                                 pos = 0;
 407                                 space_inserted = true;
 408                         } else {
 409                                 continue;
 410                         }
 411                         // do not insert consecutive spaces if !free_spacing
 412                 } else if ((*cit == ' ' || *cit == '\t') &&
 413                            space_inserted && !par->isFreeSpacing()) {
 414                         continue;
 415                 } else if (*cit == '\t') {
 416                         if (!par->isFreeSpacing()) {
 417                                 // tabs are like spaces here
 418                                 par->insertChar(pos, ' ', font);
 419                                 ++pos;
 420                                 space_inserted = true;
 421                         } else {
 422                                 const pos_type nb = 8 - pos % 8;
 423                                 for (pos_type a = 0; a < nb ; ++a) {
 424                                         par->insertChar(pos, ' ', font);
 425                                         ++pos;
 426                                 }
 427                                 space_inserted = true;
 428                         }
 429                 } else if (!IsPrintable(*cit)) {
 430                         // Ignore unprintables
 431                         continue;
 432                 } else {
 433                         // just insert the character
 434                         par->insertChar(pos, *cit, font);
 435                         ++pos;
 436                         space_inserted = (*cit == ' ');
 437                 }
 438
 439         }
 440 }
 441
 442
 443 bool Buffer::readFile(LyXLex & lex, string const & filename)
 444 {
 445         bool ret = readFile(lex, filename, paragraphs.begin());
 446
 447         // After we have read a file, we must ensure that the buffer
 448         // language is set and used in the gui.
 449         // If you know of a better place to put this, please tell me. (Lgb)
 450         updateDocLang(params.language);
 451
 452         return ret;
 453 }
 454
 455
 456 // FIXME: all the below Alerts should give the filename..
 457 bool Buffer::readFile(LyXLex & lex, string const & filename,
 458                       ParagraphList::iterator pit)
 459 {
 460         if (!lex.isOK()) {
 461                 Alert::error(_("Document could not be read"),
 462                         _("The specified document could not be read."));
 463                 return false;
 464         }
 465
 466         lex.next();
 467         string const token(lex.getString());
 468
 469         if (!lex.isOK()) {
 470                 Alert::error(_("Document could not be read"),
 471                         _("The specified document could not be read."));
 472                 return false;
 473         }
 474
 475         // the first token _must_ be...
 476         if (token != "\\lyxformat") {
 477                 Alert::error(_("Document format failure"),
 478                         _("The specified document is not a LyX document."));
 479                 return false;
 480         }
 481
 482         lex.eatLine();
 483         string tmp_format = lex.getString();
 484         //lyxerr << "LyX Format: `" << tmp_format << '\'' << endl;
 485         // if present remove ".," from string.
 486         string::size_type dot = tmp_format.find_first_of(".,");
 487         //lyxerr << "           dot found at " << dot << endl;
 488         if (dot != string::npos)
 489                         tmp_format.erase(dot, 1);
 490         file_format = strToInt(tmp_format);
 491         //lyxerr << "format: " << file_format << endl;
 492         if (file_format == LYX_FORMAT) {
 493                 // current format
 494         } else if (file_format > LYX_FORMAT) {
 495                 Alert::warning(_("Document format failure"),
 496                         _("This document was created with a newer version of "
 497                         "LyX. This is likely to cause problems."));
 498         } else if (file_format < LYX_FORMAT) {
 499                 // old formats
 500                 if (file_format < 200) {
 501                         Alert::error(_("Document format failure"),
 502                                 _("This LyX document is too old to be read "
 503                                 "by this version of LyX. Try LyX 0.10."));
 504                         return false;
 505                 } else if (!filename.empty()) {
 506                         string command =
 507                                 LibFileSearch("lyx2lyx", "lyx2lyx");
 508                         if (command.empty()) {
 509                                 Alert::error(_("Conversion script not found"),
 510                                         _("The document is from an earlier version "
 511                                           "of LyX, but the conversion script lyx2lyx "
 512                                           "could not be found."));
 513                                 return false;
 514                         }
 515                         command += " -t"
 516                                 +tostr(LYX_FORMAT) + ' '
 517                                 + QuoteName(filename);
 518                         lyxerr[Debug::INFO] << "Running '"
 519                                             << command << '\''
 520                                             << endl;
 521                         cmd_ret const ret = RunCommand(command);
 522                         if (ret.first) {
 523                                 Alert::error(_("Conversion script failed"),
 524                                         _("The document is from an earlier version "
 525                                           "of LyX, but the lyx2lyx script failed "
 526                                           "to convert it."));
 527                                 return false;
 528                         }
 529                         istringstream is(STRCONV(ret.second));
 530                         LyXLex tmplex(0, 0);
 531                         tmplex.setStream(is);
 532                         return readFile(tmplex, string(), pit);
 533                 } else {
 534                         // This code is reached if lyx2lyx failed (for
 535                         // some reason) to change the file format of
 536                         // the file.
 537                         Assert(false);
 538                         return false;
 539                 }
 540         }
 541         bool the_end = readBody(lex, pit);
 542         params.setPaperStuff();
 543
 544         if (!the_end) {
 545                 Alert::error(_("Document format failure"),
 546                         _("The document ended unexpectedly, which means "
 547                           "that it is probably corrupted."));
 548         }
 549         return true;
 550 }
 551
 552
 553 // Should probably be moved to somewhere else: BufferView? LyXView?
 554 bool Buffer::save() const
 555 {
 556         // We don't need autosaves in the immediate future. (Asger)
 557         resetAutosaveTimers();
 558
 559         // make a backup
 560         string s;
 561         if (lyxrc.make_backup) {
 562                 s = fileName() + '~';
 563                 if (!lyxrc.backupdir_path.empty())
 564                         s = AddName(lyxrc.backupdir_path,
 565                                     subst(os::slashify_path(s),'/','!'));
 566
 567                 // Rename is the wrong way of making a backup,
 568                 // this is the correct way.
 569                 /* truss cp fil fil2:
 570                    lstat("LyXVC3.lyx", 0xEFFFF898)                 Err#2 ENOENT
 571                    stat("LyXVC.lyx", 0xEFFFF688)                   = 0
 572                    open("LyXVC.lyx", O_RDONLY)                     = 3
 573                    open("LyXVC3.lyx", O_WRONLY|O_CREAT|O_TRUNC, 0600) = 4
 574                    fstat(4, 0xEFFFF508)                            = 0
 575                    fstat(3, 0xEFFFF508)                            = 0
 576                    read(3, " # T h i s   f i l e   w".., 8192)     = 5579
 577                    write(4, " # T h i s   f i l e   w".., 5579)    = 5579
 578                    read(3, 0xEFFFD4A0, 8192)                       = 0
 579                    close(4)                                        = 0
 580                    close(3)                                        = 0
 581                    chmod("LyXVC3.lyx", 0100644)                    = 0
 582                    lseek(0, 0, SEEK_CUR)                           = 46440
 583                    _exit(0)
 584                 */
 585
 586                 // Should probably have some more error checking here.
 587                 // Doing it this way, also makes the inodes stay the same.
 588                 // This is still not a very good solution, in particular we
 589                 // might loose the owner of the backup.
 590                 FileInfo finfo(fileName());
 591                 if (finfo.exist()) {
 592                         mode_t fmode = finfo.getMode();
 593                         struct utimbuf times = {
 594                                 finfo.getAccessTime(),
 595                                 finfo.getModificationTime() };
 596
 597                         ifstream ifs(fileName().c_str());
 598                         ofstream ofs(s.c_str(), ios::out|ios::trunc);
 599                         if (ifs && ofs) {
 600                                 ofs << ifs.rdbuf();
 601                                 ifs.close();
 602                                 ofs.close();
 603                                 ::chmod(s.c_str(), fmode);
 604
 605                                 if (::utime(s.c_str(), &times)) {
 606                                         lyxerr << "utime error." << endl;
 607                                 }
 608                         } else {
 609                                 lyxerr << "LyX was not able to make "
 610                                         "backup copy. Beware." << endl;
 611                         }
 612                 }
 613         }
 614
 615         if (writeFile(fileName())) {
 616                 markClean();
 617                 removeAutosaveFile(fileName());
 618         } else {
 619                 // Saving failed, so backup is not backup
 620                 if (lyxrc.make_backup) {
 621                         rename(s, fileName());
 622                 }
 623                 return false;
 624         }
 625         return true;
 626 }
 627
 628
 629 bool Buffer::writeFile(string const & fname) const
 630 {
 631         if (read_only && (fname == fileName())) {
 632                 return false;
 633         }
 634
 635         FileInfo finfo(fname);
 636         if (finfo.exist() && !finfo.writable()) {
 637                 return false;
 638         }
 639
 640         bool const compressed = (fname.substr(fname.size() - 3, 3) == ".gz");
 641
 642         if (compressed) {
 643                 gz::ogzstream ofs(fname.c_str());
 644
 645                 if (!ofs)
 646                         return false;
 647
 648                 return do_writeFile(ofs);
 649
 650         }
 651
 652         ofstream ofs(fname.c_str());
 653         if (!ofs)
 654                 return false;
 655
 656         return do_writeFile(ofs);
 657 }
 658
 659
 660 bool Buffer::do_writeFile(ostream & ofs) const
 661 {
 662
 663 #ifdef HAVE_LOCALE
 664         // Use the standard "C" locale for file output.
 665         ofs.imbue(std::locale::classic());
 666 #endif
 667
 668         // The top of the file should not be written by params.
 669
 670         // write out a comment in the top of the file
 671         ofs << '#' << lyx_docversion
 672             << " created this file. For more info see http://www.lyx.org/\n"
 673             << "\\lyxformat " << LYX_FORMAT << "\n";
 674
 675         // now write out the buffer paramters.
 676         params.writeFile(ofs);
 677
 678         ofs << "\\end_header\n";
 679
 680         Paragraph::depth_type depth = 0;
 681
 682         // this will write out all the paragraphs
 683         // using recursive descent.
 684         ParagraphList::const_iterator pit = paragraphs.begin();
 685         ParagraphList::const_iterator pend = paragraphs.end();
 686         for (; pit != pend; ++pit)
 687                 pit->write(this, ofs, params, depth);
 688
 689         // Write marker that shows file is complete
 690         ofs << "\n\\the_end" << endl;
 691
 692         // Shouldn't really be needed....
 693         //ofs.close();
 694
 695         // how to check if close went ok?
 696         // Following is an attempt... (BE 20001011)
 697
 698         // good() returns false if any error occured, including some
 699         //        formatting error.
 700         // bad()  returns true if something bad happened in the buffer,
 701         //        which should include file system full errors.
 702
 703         bool status = true;
 704         if (!ofs.good()) {
 705                 status = false;
 706 #if 0
 707                 if (ofs.bad()) {
 708                         lyxerr << "Buffer::writeFile: BAD ERROR!" << endl;
 709                 } else {
 710                         lyxerr << "Buffer::writeFile: NOT SO BAD ERROR!"
 711                                << endl;
 712                 }
 713 #endif
 714         }
 715
 716         return status;
 717 }
 718
 719
 720 namespace {
 721
 722 pair<int, string> const addDepth(int depth, int ldepth)
 723 {
 724         int d = depth * 2;
 725         if (ldepth > depth)
 726                 d += (ldepth - depth) * 2;
 727         return make_pair(d, string(d, ' '));
 728 }
 729
 730 }
 731
 732
 733 string const Buffer::asciiParagraph(Paragraph const & par,
 734                                     unsigned int linelen,
 735                                     bool noparbreak) const
 736 {
 737         ostringstream buffer;
 738         int ltype = 0;
 739         Paragraph::depth_type ltype_depth = 0;
 740         bool ref_printed = false;
 741         Paragraph::depth_type depth = par.params().depth();
 742
 743         // First write the layout
 744         string const & tmp = par.layout()->name();
 745         if (compare_no_case(tmp, "itemize") == 0) {
 746                 ltype = 1;
 747                 ltype_depth = depth + 1;
 748         } else if (compare_ascii_no_case(tmp, "enumerate") == 0) {
 749                 ltype = 2;
 750                 ltype_depth = depth + 1;
 751         } else if (contains(ascii_lowercase(tmp), "ection")) {
 752                 ltype = 3;
 753                 ltype_depth = depth + 1;
 754         } else if (contains(ascii_lowercase(tmp), "aragraph")) {
 755                 ltype = 4;
 756                 ltype_depth = depth + 1;
 757         } else if (compare_ascii_no_case(tmp, "description") == 0) {
 758                 ltype = 5;
 759                 ltype_depth = depth + 1;
 760         } else if (compare_ascii_no_case(tmp, "abstract") == 0) {
 761                 ltype = 6;
 762                 ltype_depth = 0;
 763         } else if (compare_ascii_no_case(tmp, "bibliography") == 0) {
 764                 ltype = 7;
 765                 ltype_depth = 0;
 766         } else {
 767                 ltype = 0;
 768                 ltype_depth = 0;
 769         }
 770
 771         /* maybe some vertical spaces */
 772
 773         /* the labelwidthstring used in lists */
 774
 775         /* some lines? */
 776
 777         /* some pagebreaks? */
 778
 779         /* noindent ? */
 780
 781         /* what about the alignment */
 782
 783         // linelen <= 0 is special and means we don't have paragraph breaks
 784
 785         string::size_type currlinelen = 0;
 786
 787         if (!noparbreak) {
 788                 if (linelen > 0)
 789                         buffer << "\n\n";
 790
 791                 buffer << string(depth * 2, ' ');
 792                 currlinelen += depth * 2;
 793
 794                 //--
 795                 // we should probably change to the paragraph language in the
 796                 // gettext here (if possible) so that strings are outputted in
 797                 // the correct language! (20012712 Jug)
 798                 //--
 799                 switch (ltype) {
 800                 case 0: // Standard
 801                 case 4: // (Sub)Paragraph
 802                 case 5: // Description
 803                         break;
 804                 case 6: // Abstract
 805                         if (linelen > 0) {
 806                                 buffer << _("Abstract") << "\n\n";
 807                                 currlinelen = 0;
 808                         } else {
 809                                 string const abst = _("Abstract: ");
 810                                 buffer << abst;
 811                                 currlinelen += abst.length();
 812                         }
 813                         break;
 814                 case 7: // Bibliography
 815                         if (!ref_printed) {
 816                                 if (linelen > 0) {
 817                                         buffer << _("References") << "\n\n";
 818                                         currlinelen = 0;
 819                                 } else {
 820                                         string const refs = _("References: ");
 821                                         buffer << refs;
 822                                         currlinelen += refs.length();
 823                                 }
 824
 825                                 ref_printed = true;
 826                         }
 827                         break;
 828                 default:
 829                 {
 830                         string const parlab = par.params().labelString();
 831                         buffer << parlab << ' ';
 832                         currlinelen += parlab.length() + 1;
 833                 }
 834                 break;
 835
 836                 }
 837         }
 838
 839         if (!currlinelen) {
 840                 pair<int, string> p = addDepth(depth, ltype_depth);
 841                 buffer << p.second;
 842                 currlinelen += p.first;
 843         }
 844
 845         // this is to change the linebreak to do it by word a bit more
 846         // intelligent hopefully! (only in the case where we have a
 847         // max linelength!) (Jug)
 848
 849         string word;
 850
 851         for (pos_type i = 0; i < par.size(); ++i) {
 852                 char c = par.getUChar(params, i);
 853                 switch (c) {
 854                 case Paragraph::META_INSET:
 855                 {
 856                         InsetOld const * inset = par.getInset(i);
 857                         if (inset) {
 858                                 if (linelen > 0) {
 859                                         buffer << word;
 860                                         currlinelen += word.length();
 861                                         word.erase();
 862                                 }
 863                                 if (inset->ascii(this, buffer, linelen)) {
 864                                         // to be sure it breaks paragraph
 865                                         currlinelen += linelen;
 866                                 }
 867                         }
 868                 }
 869                 break;
 870
 871                 default:
 872                         if (c == ' ') {
 873                                 if (linelen > 0 &&
 874                                     currlinelen + word.length() > linelen - 10) {
 875                                         buffer << "\n";
 876                                         pair<int, string> p = addDepth(depth, ltype_depth);
 877                                         buffer << p.second;
 878                                         currlinelen = p.first;
 879                                 }
 880
 881                                 buffer << word << ' ';
 882                                 currlinelen += word.length() + 1;
 883                                 word.erase();
 884
 885                         } else {
 886                                 if (c != '\0') {
 887                                         word += c;
 888                                 } else {
 889                                         lyxerr[Debug::INFO] <<
 890                                                 "writeAsciiFile: NULL char in structure." << endl;
 891                                 }
 892                                 if ((linelen > 0) &&
 893                                         (currlinelen + word.length()) > linelen)
 894                                 {
 895                                         buffer << "\n";
 896
 897                                         pair<int, string> p =
 898                                                 addDepth(depth, ltype_depth);
 899                                         buffer << p.second;
 900                                         currlinelen = p.first;
 901                                 }
 902                         }
 903                         break;
 904                 }
 905         }
 906         buffer << word;
 907         return STRCONV(buffer.str());
 908 }
 909
 910
 911 void Buffer::writeFileAscii(string const & fname, int linelen)
 912 {
 913         ofstream ofs;
 914         if (!::openFileWrite(ofs, fname))
 915                 return;
 916         writeFileAscii(ofs, linelen);
 917 }
 918
 919
 920 void Buffer::writeFileAscii(ostream & os, int linelen)
 921 {
 922         ParagraphList::iterator beg = paragraphs.begin();
 923         ParagraphList::iterator end = paragraphs.end();
 924         ParagraphList::iterator it = beg;
 925         for (; it != end; ++it) {
 926                 os << asciiParagraph(*it, linelen, it == beg);
 927         }
 928         os << "\n";
 929 }
 930
 931
 932 void Buffer::makeLaTeXFile(string const & fname,
 933                            string const & original_path,
 934                            LatexRunParams const & runparams,
 935                            bool output_preamble, bool output_body)
 936 {
 937         lyxerr[Debug::LATEX] << "makeLaTeXFile..." << endl;
 938
 939         ofstream ofs;
 940         if (!::openFileWrite(ofs, fname))
 941                 return;
 942
 943         makeLaTeXFile(ofs, original_path,
 944                       runparams, output_preamble, output_body);
 945
 946         ofs.close();
 947         if (ofs.fail()) {
 948                 lyxerr << "File was not closed properly." << endl;
 949         }
 950 }
 951
 952
 953 void Buffer::makeLaTeXFile(ostream & os,
 954                            string const & original_path,
 955                            LatexRunParams const & runparams_in,
 956                            bool output_preamble, bool output_body)
 957 {
 958         LatexRunParams runparams = runparams_in;
 959         niceFile = runparams.nice; // this will be used by Insetincludes.
 960
 961         // validate the buffer.
 962         lyxerr[Debug::LATEX] << "  Validating buffer..." << endl;
 963         LaTeXFeatures features(params);
 964         validate(features);
 965         lyxerr[Debug::LATEX] << "  Buffer validation done." << endl;
 966
 967         texrow.reset();
 968         // The starting paragraph of the coming rows is the
 969         // first paragraph of the document. (Asger)
 970         texrow.start(paragraphs.begin()->id(), 0);
 971
 972         if (output_preamble && runparams.nice) {
 973                 os << "%% " << lyx_docversion << " created this file.  "
 974                         "For more info, see http://www.lyx.org/.\n"
 975                         "%% Do not edit unless you really know what "
 976                         "you are doing.\n";
 977                 texrow.newline();
 978                 texrow.newline();
 979         }
 980         lyxerr[Debug::INFO] << "lyx header finished" << endl;
 981         // There are a few differences between nice LaTeX and usual files:
 982         // usual is \batchmode and has a
 983         // special input@path to allow the including of figures
 984         // with either \input or \includegraphics (what figinsets do).
 985         // input@path is set when the actual parameter
 986         // original_path is set. This is done for usual tex-file, but not
 987         // for nice-latex-file. (Matthias 250696)
 988         if (output_preamble) {
 989                 if (!runparams.nice) {
 990                         // code for usual, NOT nice-latex-file
 991                         os << "\\batchmode\n"; // changed
 992                         // from \nonstopmode
 993                         texrow.newline();
 994                 }
 995                 if (!original_path.empty()) {
 996                         string inputpath = os::external_path(original_path);
 997                         subst(inputpath, "~", "\\string~");
 998                         os << "\\makeatletter\n"
 999                             << "\\def\\input@path{{"
1000                             << inputpath << "/}}\n"
1001                             << "\\makeatother\n";
1002                         texrow.newline();
1003                         texrow.newline();
1004                         texrow.newline();
1005                 }
1006
1007                 // Write the preamble
1008                 runparams.use_babel = params.writeLaTeX(os, features, texrow);
1009
1010                 if (!output_body)
1011                         return;
1012
1013                 // make the body.
1014                 os << "\\begin{document}\n";
1015                 texrow.newline();
1016         } // output_preamble
1017         lyxerr[Debug::INFO] << "preamble finished, now the body." << endl;
1018
1019         if (!lyxrc.language_auto_begin) {
1020                 os << subst(lyxrc.language_command_begin, "$$lang",
1021                              params.language->babel())
1022                     << endl;
1023                 texrow.newline();
1024         }
1025
1026         latexParagraphs(this, paragraphs, os, texrow, runparams);
1027
1028         // add this just in case after all the paragraphs
1029         os << endl;
1030         texrow.newline();
1031
1032         if (!lyxrc.language_auto_end) {
1033                 os << subst(lyxrc.language_command_end, "$$lang",
1034                              params.language->babel())
1035                     << endl;
1036                 texrow.newline();
1037         }
1038
1039         if (output_preamble) {
1040                 os << "\\end{document}\n";
1041                 texrow.newline();
1042
1043                 lyxerr[Debug::LATEX] << "makeLaTeXFile...done" << endl;
1044         } else {
1045                 lyxerr[Debug::LATEX] << "LaTeXFile for inclusion made."
1046                                      << endl;
1047         }
1048
1049         // Just to be sure. (Asger)
1050         texrow.newline();
1051
1052         lyxerr[Debug::INFO] << "Finished making LaTeX file." << endl;
1053         lyxerr[Debug::INFO] << "Row count was " << texrow.rows() - 1
1054                             << '.' << endl;
1055
1056         // we want this to be true outside previews (for insetexternal)
1057         niceFile = true;
1058 }
1059
1060
1061 bool Buffer::isLatex() const
1062 {
1063         return params.getLyXTextClass().outputType() == LATEX;
1064 }
1065
1066
1067 bool Buffer::isLinuxDoc() const
1068 {
1069         return params.getLyXTextClass().outputType() == LINUXDOC;
1070 }
1071
1072
1073 bool Buffer::isLiterate() const
1074 {
1075         return params.getLyXTextClass().outputType() == LITERATE;
1076 }
1077
1078
1079 bool Buffer::isDocBook() const
1080 {
1081         return params.getLyXTextClass().outputType() == DOCBOOK;
1082 }
1083
1084
1085 bool Buffer::isSGML() const
1086 {
1087         LyXTextClass const & tclass = params.getLyXTextClass();
1088
1089         return tclass.outputType() == LINUXDOC ||
1090                tclass.outputType() == DOCBOOK;
1091 }
1092
1093
1094 void Buffer::makeLinuxDocFile(string const & fname, bool nice, bool body_only)
1095 {
1096         ofstream ofs;
1097         if (!::openFileWrite(ofs, fname))
1098                 return;
1099
1100         niceFile = nice; // this will be used by included files.
1101
1102         LaTeXFeatures features(params);
1103
1104         validate(features);
1105
1106         texrow.reset();
1107
1108         LyXTextClass const & tclass = params.getLyXTextClass();
1109
1110         string top_element = tclass.latexname();
1111
1112         if (!body_only) {
1113                 ofs << "<!doctype linuxdoc system";
1114
1115                 string preamble = params.preamble;
1116                 string const name = nice ? ChangeExtension(filename_, ".sgml")
1117                          : fname;
1118                 preamble += features.getIncludedFiles(name);
1119                 preamble += features.getLyXSGMLEntities();
1120
1121                 if (!preamble.empty()) {
1122                         ofs << " [ " << preamble << " ]";
1123                 }
1124                 ofs << ">\n\n";
1125
1126                 if (params.options.empty())
1127                         sgml::openTag(ofs, 0, false, top_element);
1128                 else {
1129                         string top = top_element;
1130                         top += ' ';
1131                         top += params.options;
1132                         sgml::openTag(ofs, 0, false, top);
1133                 }
1134         }
1135
1136         ofs << "<!-- "  << lyx_docversion
1137             << " created this file. For more info see http://www.lyx.org/"
1138             << " -->\n";
1139
1140         Paragraph::depth_type depth = 0; // paragraph depth
1141         string item_name;
1142         vector<string> environment_stack(5);
1143
1144         ParagraphList::iterator pit = paragraphs.begin();
1145         ParagraphList::iterator pend = paragraphs.end();
1146         for (; pit != pend; ++pit) {
1147                 LyXLayout_ptr const & style = pit->layout();
1148                 // treat <toc> as a special case for compatibility with old code
1149                 if (pit->isInset(0)) {
1150                         InsetOld * inset = pit->getInset(0);
1151                         InsetOld::Code lyx_code = inset->lyxCode();
1152                         if (lyx_code == InsetOld::TOC_CODE) {
1153                                 string const temp = "toc";
1154                                 sgml::openTag(ofs, depth, false, temp);
1155                                 continue;
1156                         }
1157                 }
1158
1159                 // environment tag closing
1160                 for (; depth > pit->params().depth(); --depth) {
1161                         sgml::closeTag(ofs, depth, false, environment_stack[depth]);
1162                         environment_stack[depth].erase();
1163                 }
1164
1165                 // write opening SGML tags
1166                 switch (style->latextype) {
1167                 case LATEX_PARAGRAPH:
1168                         if (depth == pit->params().depth()
1169                            && !environment_stack[depth].empty()) {
1170                                 sgml::closeTag(ofs, depth, false, environment_stack[depth]);
1171                                 environment_stack[depth].erase();
1172                                 if (depth)
1173                                         --depth;
1174                                 else
1175                                         ofs << "</p>";
1176                         }
1177                         sgml::openTag(ofs, depth, false, style->latexname());
1178                         break;
1179
1180                 case LATEX_COMMAND:
1181                         if (depth != 0)
1182                                 error(ErrorItem(_("Error:"), _("Wrong depth for LatexType Command.\n"), pit->id(), 0, pit->size()));
1183
1184                         if (!environment_stack[depth].empty()) {
1185                                 sgml::closeTag(ofs, depth, false, environment_stack[depth]);
1186                                 ofs << "</p>";
1187                         }
1188
1189                         environment_stack[depth].erase();
1190                         sgml::openTag(ofs, depth, false, style->latexname());
1191                         break;
1192
1193                 case LATEX_ENVIRONMENT:
1194                 case LATEX_ITEM_ENVIRONMENT:
1195                 case LATEX_BIB_ENVIRONMENT:
1196                 {
1197                         string const & latexname = style->latexname();
1198
1199                         if (depth == pit->params().depth()
1200                             && environment_stack[depth] != latexname) {
1201                                 sgml::closeTag(ofs, depth, false,
1202                                              environment_stack[depth]);
1203                                 environment_stack[depth].erase();
1204                         }
1205                         if (depth < pit->params().depth()) {
1206                                depth = pit->params().depth();
1207                                environment_stack[depth].erase();
1208                         }
1209                         if (environment_stack[depth] != latexname) {
1210                                 if (depth == 0) {
1211                                         sgml::openTag(ofs, depth, false, "p");
1212                                 }
1213                                 sgml::openTag(ofs, depth, false, latexname);
1214
1215                                 if (environment_stack.size() == depth + 1)
1216                                         environment_stack.push_back("!-- --");
1217                                 environment_stack[depth] = latexname;
1218                         }
1219
1220                         if (style->latexparam() == "CDATA")
1221                                 ofs << "<![CDATA[";
1222
1223                         if (style->latextype == LATEX_ENVIRONMENT) break;
1224
1225                         if (style->labeltype == LABEL_MANUAL)
1226                                 item_name = "tag";
1227                         else
1228                                 item_name = "item";
1229
1230                         sgml::openTag(ofs, depth + 1, false, item_name);
1231                 }
1232                 break;
1233
1234                 default:
1235                         sgml::openTag(ofs, depth, false, style->latexname());
1236                         break;
1237                 }
1238
1239                 simpleLinuxDocOnePar(ofs, pit, depth);
1240
1241                 ofs << "\n";
1242                 // write closing SGML tags
1243                 switch (style->latextype) {
1244                 case LATEX_COMMAND:
1245                         break;
1246                 case LATEX_ENVIRONMENT:
1247                 case LATEX_ITEM_ENVIRONMENT:
1248                 case LATEX_BIB_ENVIRONMENT:
1249                         if (style->latexparam() == "CDATA")
1250                                 ofs << "]]>";
1251                         break;
1252                 default:
1253                         sgml::closeTag(ofs, depth, false, style->latexname());
1254                         break;
1255                 }
1256         }
1257
1258         // Close open tags
1259         for (int i = depth; i >= 0; --i)
1260                 sgml::closeTag(ofs, depth, false, environment_stack[i]);
1261
1262         if (!body_only) {
1263                 ofs << "\n\n";
1264                 sgml::closeTag(ofs, 0, false, top_element);
1265         }
1266
1267         ofs.close();
1268         // How to check for successful close
1269
1270         // we want this to be true outside previews (for insetexternal)
1271         niceFile = true;
1272 }
1273
1274
1275 // checks, if newcol chars should be put into this line
1276 // writes newline, if necessary.
1277 namespace {
1278
1279 void sgmlLineBreak(ostream & os, string::size_type & colcount,
1280                           string::size_type newcol)
1281 {
1282         colcount += newcol;
1283         if (colcount > lyxrc.ascii_linelen) {
1284                 os << "\n";
1285                 colcount = newcol; // assume write after this call
1286         }
1287 }
1288
1289 enum PAR_TAG {
1290         NONE=0,
1291         TT = 1,
1292         SF = 2,
1293         BF = 4,
1294         IT = 8,
1295         SL = 16,
1296         EM = 32
1297 };
1298
1299
1300 string tag_name(PAR_TAG const & pt) {
1301         switch (pt) {
1302         case NONE: return "!-- --";
1303         case TT: return "tt";
1304         case SF: return "sf";
1305         case BF: return "bf";
1306         case IT: return "it";
1307         case SL: return "sl";
1308         case EM: return "em";
1309         }
1310         return "";
1311 }
1312
1313
1314 inline
1315 void operator|=(PAR_TAG & p1, PAR_TAG const & p2)
1316 {
1317         p1 = static_cast<PAR_TAG>(p1 | p2);
1318 }
1319
1320
1321 inline
1322 void reset(PAR_TAG & p1, PAR_TAG const & p2)
1323 {
1324         p1 = static_cast<PAR_TAG>(p1 & ~p2);
1325 }
1326
1327 } // anon
1328
1329
1330 // Handle internal paragraph parsing -- layout already processed.
1331 void Buffer::simpleLinuxDocOnePar(ostream & os,
1332         ParagraphList::iterator par,
1333         Paragraph::depth_type /*depth*/) const
1334 {
1335         LyXLayout_ptr const & style = par->layout();
1336
1337         string::size_type char_line_count = 5;     // Heuristic choice ;-)
1338
1339         // gets paragraph main font
1340         LyXFont font_old;
1341         bool desc_on;
1342         if (style->labeltype == LABEL_MANUAL) {
1343                 font_old = style->labelfont;
1344                 desc_on = true;
1345         } else {
1346                 font_old = style->font;
1347                 desc_on = false;
1348         }
1349
1350         LyXFont::FONT_FAMILY family_type = LyXFont::ROMAN_FAMILY;
1351         LyXFont::FONT_SERIES series_type = LyXFont::MEDIUM_SERIES;
1352         LyXFont::FONT_SHAPE  shape_type  = LyXFont::UP_SHAPE;
1353         bool is_em = false;
1354
1355         stack<PAR_TAG> tag_state;
1356         // parsing main loop
1357         for (pos_type i = 0; i < par->size(); ++i) {
1358
1359                 PAR_TAG tag_close = NONE;
1360                 list < PAR_TAG > tag_open;
1361
1362                 LyXFont const font = par->getFont(params, i, outerFont(par, paragraphs));
1363
1364                 if (font_old.family() != font.family()) {
1365                         switch (family_type) {
1366                         case LyXFont::SANS_FAMILY:
1367                                 tag_close |= SF;
1368                                 break;
1369                         case LyXFont::TYPEWRITER_FAMILY:
1370                                 tag_close |= TT;
1371                                 break;
1372                         default:
1373                                 break;
1374                         }
1375
1376                         family_type = font.family();
1377
1378                         switch (family_type) {
1379                         case LyXFont::SANS_FAMILY:
1380                                 tag_open.push_back(SF);
1381                                 break;
1382                         case LyXFont::TYPEWRITER_FAMILY:
1383                                 tag_open.push_back(TT);
1384                                 break;
1385                         default:
1386                                 break;
1387                         }
1388                 }
1389
1390                 if (font_old.series() != font.series()) {
1391                         switch (series_type) {
1392                         case LyXFont::BOLD_SERIES:
1393                                 tag_close |= BF;
1394                                 break;
1395                         default:
1396                                 break;
1397                         }
1398
1399                         series_type = font.series();
1400
1401                         switch (series_type) {
1402                         case LyXFont::BOLD_SERIES:
1403                                 tag_open.push_back(BF);
1404                                 break;
1405                         default:
1406                                 break;
1407                         }
1408
1409                 }
1410
1411                 if (font_old.shape() != font.shape()) {
1412                         switch (shape_type) {
1413                         case LyXFont::ITALIC_SHAPE:
1414                                 tag_close |= IT;
1415                                 break;
1416                         case LyXFont::SLANTED_SHAPE:
1417                                 tag_close |= SL;
1418                                 break;
1419                         default:
1420                                 break;
1421                         }
1422
1423                         shape_type = font.shape();
1424
1425                         switch (shape_type) {
1426                         case LyXFont::ITALIC_SHAPE:
1427                                 tag_open.push_back(IT);
1428                                 break;
1429                         case LyXFont::SLANTED_SHAPE:
1430                                 tag_open.push_back(SL);
1431                                 break;
1432                         default:
1433                                 break;
1434                         }
1435                 }
1436                 // handle <em> tag
1437                 if (font_old.emph() != font.emph()) {
1438                         if (font.emph() == LyXFont::ON) {
1439                                 tag_open.push_back(EM);
1440                                 is_em = true;
1441                         }
1442                         else if (is_em) {
1443                                 tag_close |= EM;
1444                                 is_em = false;
1445                         }
1446                 }
1447
1448                 list < PAR_TAG > temp;
1449                 while (!tag_state.empty() && tag_close) {
1450                         PAR_TAG k =  tag_state.top();
1451                         tag_state.pop();
1452                         os << "</" << tag_name(k) << '>';
1453                         if (tag_close & k)
1454                                 reset(tag_close,k);
1455                         else
1456                                 temp.push_back(k);
1457                 }
1458
1459                 for(list< PAR_TAG >::const_iterator j = temp.begin();
1460                     j != temp.end(); ++j) {
1461                         tag_state.push(*j);
1462                         os << '<' << tag_name(*j) << '>';
1463                 }
1464
1465                 for(list< PAR_TAG >::const_iterator j = tag_open.begin();
1466                     j != tag_open.end(); ++j) {
1467                         tag_state.push(*j);
1468                         os << '<' << tag_name(*j) << '>';
1469                 }
1470
1471                 char c = par->getChar(i);
1472
1473                 if (c == Paragraph::META_INSET) {
1474                         InsetOld * inset = par->getInset(i);
1475                         inset->linuxdoc(this, os);
1476                         font_old = font;
1477                         continue;
1478                 }
1479
1480                 if (style->latexparam() == "CDATA") {
1481                         // "TeX"-Mode on == > SGML-Mode on.
1482                         if (c != '\0')
1483                                 os << c;
1484                         ++char_line_count;
1485                 } else {
1486                         bool ws;
1487                         string str;
1488                         boost::tie(ws, str) = sgml::escapeChar(c);
1489                         if (ws && !par->isFreeSpacing()) {
1490                                 // in freespacing mode, spaces are
1491                                 // non-breaking characters
1492                                 if (desc_on) {// if char is ' ' then...
1493
1494                                         ++char_line_count;
1495                                         sgmlLineBreak(os, char_line_count, 6);
1496                                         os << "</tag>";
1497                                         desc_on = false;
1498                                 } else  {
1499                                         sgmlLineBreak(os, char_line_count, 1);
1500                                         os << c;
1501                                 }
1502                         } else {
1503                                 os << str;
1504                                 char_line_count += str.length();
1505                         }
1506                 }
1507                 font_old = font;
1508         }
1509
1510         while (!tag_state.empty()) {
1511                 os << "</" << tag_name(tag_state.top()) << '>';
1512                 tag_state.pop();
1513         }
1514
1515         // resets description flag correctly
1516         if (desc_on) {
1517                 // <tag> not closed...
1518                 sgmlLineBreak(os, char_line_count, 6);
1519                 os << "</tag>";
1520         }
1521 }
1522
1523
1524 void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
1525 {
1526         ofstream ofs;
1527         if (!::openFileWrite(ofs, fname))
1528                 return;
1529
1530         niceFile = nice; // this will be used by Insetincludes.
1531
1532         LaTeXFeatures features(params);
1533         validate(features);
1534
1535         texrow.reset();
1536
1537         LyXTextClass const & tclass = params.getLyXTextClass();
1538         string top_element = tclass.latexname();
1539
1540         if (!only_body) {
1541                 ofs << "<!DOCTYPE " << top_element
1542                     << "  PUBLIC \"-//OASIS//DTD DocBook V4.1//EN\"";
1543
1544                 string preamble = params.preamble;
1545                 string const name = nice ? ChangeExtension(filename_, ".sgml")
1546                          : fname;
1547                 preamble += features.getIncludedFiles(name);
1548                 preamble += features.getLyXSGMLEntities();
1549
1550                 if (!preamble.empty()) {
1551                         ofs << "\n [ " << preamble << " ]";
1552                 }
1553                 ofs << ">\n\n";
1554         }
1555
1556         string top = top_element;
1557         top += " lang=\"";
1558         top += params.language->code();
1559         top += '"';
1560
1561         if (!params.options.empty()) {
1562                 top += ' ';
1563                 top += params.options;
1564         }
1565         sgml::openTag(ofs, 0, false, top);
1566
1567         ofs << "<!-- DocBook file was created by " << lyx_docversion
1568             << "\n  See http://www.lyx.org/ for more information -->\n";
1569
1570         vector<string> environment_stack(10);
1571         vector<string> environment_inner(10);
1572         vector<string> command_stack(10);
1573
1574         bool command_flag = false;
1575         Paragraph::depth_type command_depth = 0;
1576         Paragraph::depth_type command_base = 0;
1577         Paragraph::depth_type cmd_depth = 0;
1578         Paragraph::depth_type depth = 0; // paragraph depth
1579
1580         string item_name;
1581         string command_name;
1582
1583         ParagraphList::iterator par = paragraphs.begin();
1584         ParagraphList::iterator pend = paragraphs.end();
1585
1586         for (; par != pend; ++par) {
1587                 string sgmlparam;
1588                 string c_depth;
1589                 string c_params;
1590                 int desc_on = 0; // description mode
1591
1592                 LyXLayout_ptr const & style = par->layout();
1593
1594                 // environment tag closing
1595                 for (; depth > par->params().depth(); --depth) {
1596                         if (environment_inner[depth] != "!-- --" && !environment_inner[depth].empty()) {
1597                                 item_name = "listitem";
1598                                 sgml::closeTag(ofs, command_depth + depth, false, item_name);
1599                                 if (environment_inner[depth] == "varlistentry")
1600                                         sgml::closeTag(ofs, depth+command_depth, false, environment_inner[depth]);
1601                         }
1602                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
1603                         environment_stack[depth].erase();
1604                         environment_inner[depth].erase();
1605                 }
1606
1607                 if (depth == par->params().depth()
1608                    && environment_stack[depth] != style->latexname()
1609                    && !environment_stack[depth].empty()) {
1610                         if (environment_inner[depth] != "!-- --") {
1611                                 item_name= "listitem";
1612                                 sgml::closeTag(ofs, command_depth+depth, false, item_name);
1613                                 if (environment_inner[depth] == "varlistentry")
1614                                         sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
1615                         }
1616
1617                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
1618
1619                         environment_stack[depth].erase();
1620                         environment_inner[depth].erase();
1621                 }
1622
1623                 // Write opening SGML tags.
1624                 switch (style->latextype) {
1625                 case LATEX_PARAGRAPH:
1626                         sgml::openTag(ofs, depth + command_depth,
1627                                     false, style->latexname());
1628                         break;
1629
1630                 case LATEX_COMMAND:
1631                         if (depth != 0)
1632                                 error(ErrorItem(_("Error"), _("Wrong depth for LatexType Command."), par->id(), 0, par->size()));
1633
1634                         command_name = style->latexname();
1635
1636                         sgmlparam = style->latexparam();
1637                         c_params = split(sgmlparam, c_depth,'|');
1638
1639                         cmd_depth = atoi(c_depth);
1640
1641                         if (command_flag) {
1642                                 if (cmd_depth < command_base) {
1643                                         for (Paragraph::depth_type j = command_depth;
1644                                              j >= command_base; --j) {
1645                                                 sgml::closeTag(ofs, j, false, command_stack[j]);
1646                                                 ofs << endl;
1647                                         }
1648                                         command_depth = command_base = cmd_depth;
1649                                 } else if (cmd_depth <= command_depth) {
1650                                         for (int j = command_depth;
1651                                              j >= int(cmd_depth); --j) {
1652                                                 sgml::closeTag(ofs, j, false, command_stack[j]);
1653                                                 ofs << endl;
1654                                         }
1655                                         command_depth = cmd_depth;
1656                                 } else
1657                                         command_depth = cmd_depth;
1658                         } else {
1659                                 command_depth = command_base = cmd_depth;
1660                                 command_flag = true;
1661                         }
1662                         if (command_stack.size() == command_depth + 1)
1663                                 command_stack.push_back(string());
1664                         command_stack[command_depth] = command_name;
1665
1666                         // treat label as a special case for
1667                         // more WYSIWYM handling.
1668                         // This is a hack while paragraphs can't have
1669                         // attributes, like id in this case.
1670                         if (par->isInset(0)) {
1671                                 InsetOld * inset = par->getInset(0);
1672                                 InsetOld::Code lyx_code = inset->lyxCode();
1673                                 if (lyx_code == InsetOld::LABEL_CODE) {
1674                                         command_name += " id=\"";
1675                                         command_name += (static_cast<InsetCommand *>(inset))->getContents();
1676                                         command_name += '"';
1677                                         desc_on = 3;
1678                                 }
1679                         }
1680
1681                         sgml::openTag(ofs, depth + command_depth, false, command_name);
1682
1683                         item_name = c_params.empty() ? "title" : c_params;
1684                         sgml::openTag(ofs, depth + 1 + command_depth, false, item_name);
1685                         break;
1686
1687                 case LATEX_ENVIRONMENT:
1688                 case LATEX_ITEM_ENVIRONMENT:
1689                         if (depth < par->params().depth()) {
1690                                 depth = par->params().depth();
1691                                 environment_stack[depth].erase();
1692                         }
1693
1694                         if (environment_stack[depth] != style->latexname()) {
1695                                 if (environment_stack.size() == depth + 1) {
1696                                         environment_stack.push_back("!-- --");
1697                                         environment_inner.push_back("!-- --");
1698                                 }
1699                                 environment_stack[depth] = style->latexname();
1700                                 environment_inner[depth] = "!-- --";
1701                                 sgml::openTag(ofs, depth + command_depth, false, environment_stack[depth]);
1702                         } else {
1703                                 if (environment_inner[depth] != "!-- --") {
1704                                         item_name= "listitem";
1705                                         sgml::closeTag(ofs, command_depth + depth, false, item_name);
1706                                         if (environment_inner[depth] == "varlistentry")
1707                                                 sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
1708                                 }
1709                         }
1710
1711                         if (style->latextype == LATEX_ENVIRONMENT) {
1712                                 if (!style->latexparam().empty()) {
1713                                         if (style->latexparam() == "CDATA")
1714                                                 ofs << "<![CDATA[";
1715                                         else
1716                                                 sgml::openTag(ofs, depth + command_depth, false, style->latexparam());
1717                                 }
1718                                 break;
1719                         }
1720
1721                         desc_on = (style->labeltype == LABEL_MANUAL);
1722
1723                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1724                         sgml::openTag(ofs, depth + 1 + command_depth,
1725                                     false, environment_inner[depth]);
1726
1727                         item_name = desc_on ? "term" : "para";
1728                         sgml::openTag(ofs, depth + 1 + command_depth,
1729                                     false, item_name);
1730                         break;
1731                 default:
1732                         sgml::openTag(ofs, depth + command_depth,
1733                                     false, style->latexname());
1734                         break;
1735                 }
1736
1737                 simpleDocBookOnePar(ofs, par, desc_on,
1738                                     depth + 1 + command_depth);
1739
1740                 string end_tag;
1741                 // write closing SGML tags
1742                 switch (style->latextype) {
1743                 case LATEX_COMMAND:
1744                         end_tag = c_params.empty() ? "title" : c_params;
1745                         sgml::closeTag(ofs, depth + command_depth,
1746                                      false, end_tag);
1747                         break;
1748                 case LATEX_ENVIRONMENT:
1749                         if (!style->latexparam().empty()) {
1750                                 if (style->latexparam() == "CDATA")
1751                                         ofs << "]]>";
1752                                 else
1753                                         sgml::closeTag(ofs, depth + command_depth, false, style->latexparam());
1754                         }
1755                         break;
1756                 case LATEX_ITEM_ENVIRONMENT:
1757                         if (desc_on == 1) break;
1758                         end_tag = "para";
1759                         sgml::closeTag(ofs, depth + 1 + command_depth, false, end_tag);
1760                         break;
1761                 case LATEX_PARAGRAPH:
1762                         sgml::closeTag(ofs, depth + command_depth, false, style->latexname());
1763                         break;
1764                 default:
1765                         sgml::closeTag(ofs, depth + command_depth, false, style->latexname());
1766                         break;
1767                 }
1768         }
1769
1770         // Close open tags
1771         for (int d = depth; d >= 0; --d) {
1772                 if (!environment_stack[depth].empty()) {
1773                         if (environment_inner[depth] != "!-- --") {
1774                                 item_name = "listitem";
1775                                 sgml::closeTag(ofs, command_depth + depth, false, item_name);
1776                                if (environment_inner[depth] == "varlistentry")
1777                                        sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
1778                         }
1779
1780                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
1781                 }
1782         }
1783
1784         for (int j = command_depth; j >= 0 ; --j)
1785                 if (!command_stack[j].empty()) {
1786                         sgml::closeTag(ofs, j, false, command_stack[j]);
1787                         ofs << endl;
1788                 }
1789
1790         ofs << "\n\n";
1791         sgml::closeTag(ofs, 0, false, top_element);
1792
1793         ofs.close();
1794         // How to check for successful close
1795
1796         // we want this to be true outside previews (for insetexternal)
1797         niceFile = true;
1798 }
1799
1800
1801 void Buffer::simpleDocBookOnePar(ostream & os,
1802                                  ParagraphList::iterator par, int & desc_on,
1803                                  Paragraph::depth_type depth) const
1804 {
1805         bool emph_flag = false;
1806
1807         LyXLayout_ptr const & style = par->layout();
1808
1809         LyXFont font_old = (style->labeltype == LABEL_MANUAL ? style->labelfont : style->font);
1810
1811         int char_line_count = depth;
1812         //if (!style.free_spacing)
1813         //      os << string(depth,' ');
1814
1815         // parsing main loop
1816         for (pos_type i = 0; i < par->size(); ++i) {
1817                 LyXFont font = par->getFont(params, i, outerFont(par, paragraphs));
1818
1819                 // handle <emphasis> tag
1820                 if (font_old.emph() != font.emph()) {
1821                         if (font.emph() == LyXFont::ON) {
1822                                 if (style->latexparam() == "CDATA")
1823                                         os << "]]>";
1824                                 os << "<emphasis>";
1825                                 if (style->latexparam() == "CDATA")
1826                                         os << "<![CDATA[";
1827                                 emph_flag = true;
1828                         } else if (i) {
1829                                 if (style->latexparam() == "CDATA")
1830                                         os << "]]>";
1831                                 os << "</emphasis>";
1832                                 if (style->latexparam() == "CDATA")
1833                                         os << "<![CDATA[";
1834                                 emph_flag = false;
1835                         }
1836                 }
1837
1838
1839                 if (par->isInset(i)) {
1840                         InsetOld * inset = par->getInset(i);
1841                         // don't print the inset in position 0 if desc_on == 3 (label)
1842                         if (i || desc_on != 3) {
1843                                 if (style->latexparam() == "CDATA")
1844                                         os << "]]>";
1845                                 inset->docbook(this, os, false);
1846                                 if (style->latexparam() == "CDATA")
1847                                         os << "<![CDATA[";
1848                         }
1849                 } else {
1850                         char c = par->getChar(i);
1851                         bool ws;
1852                         string str;
1853                         boost::tie(ws, str) = sgml::escapeChar(c);
1854
1855                         if (style->pass_thru) {
1856                                 os << c;
1857                         } else if (par->isFreeSpacing() || c != ' ') {
1858                                         os << str;
1859                         } else if (desc_on == 1) {
1860                                 ++char_line_count;
1861                                 os << "\n</term><listitem><para>";
1862                                 desc_on = 2;
1863                         } else {
1864                                 os << ' ';
1865                         }
1866                 }
1867                 font_old = font;
1868         }
1869
1870         if (emph_flag) {
1871                 if (style->latexparam() == "CDATA")
1872                         os << "]]>";
1873                 os << "</emphasis>";
1874                 if (style->latexparam() == "CDATA")
1875                         os << "<![CDATA[";
1876         }
1877
1878         // resets description flag correctly
1879         if (desc_on == 1) {
1880                 // <term> not closed...
1881                 os << "</term>\n<listitem><para>&nbsp;</para>";
1882         }
1883         if (style->free_spacing)
1884                 os << '\n';
1885 }
1886
1887
1888 // chktex should be run with these flags disabled: 3, 22, 25, 30, 38(?)
1889 // Other flags: -wall -v0 -x
1890 int Buffer::runChktex()
1891 {
1892         busy(true);
1893
1894         // get LaTeX-Filename
1895         string const name = getLatexName();
1896         string path = filePath();
1897
1898         string const org_path = path;
1899         if (lyxrc.use_tempdir || !IsDirWriteable(path)) {
1900                 path = tmppath;
1901         }
1902
1903         Path p(path); // path to LaTeX file
1904         message(_("Running chktex..."));
1905
1906         // Generate the LaTeX file if neccessary
1907         LatexRunParams runparams;
1908         runparams.flavor = LatexRunParams::LATEX;
1909         runparams.nice = false;
1910         makeLaTeXFile(name, org_path, runparams);
1911
1912         TeXErrors terr;
1913         Chktex chktex(lyxrc.chktex_command, name, filePath());
1914         int res = chktex.run(terr); // run chktex
1915
1916         if (res == -1) {
1917                 Alert::error(_("chktex failure"),
1918                              _("Could not run chktex successfully."));
1919         } else if (res > 0) {
1920                 // Insert all errors as errors boxes
1921                 bufferErrors(*this, terr);
1922         }
1923
1924         busy(false);
1925
1926         return res;
1927 }
1928
1929
1930 void Buffer::validate(LaTeXFeatures & features) const
1931 {
1932         LyXTextClass const & tclass = params.getLyXTextClass();
1933
1934         if (params.tracking_changes) {
1935                 features.require("dvipost");
1936                 features.require("color");
1937         }
1938
1939         // AMS Style is at document level
1940         if (params.use_amsmath == BufferParams::AMS_ON
1941             || tclass.provides(LyXTextClass::amsmath))
1942                 features.require("amsmath");
1943
1944         for_each(paragraphs.begin(), paragraphs.end(),
1945                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1946
1947         // the bullet shapes are buffer level not paragraph level
1948         // so they are tested here
1949         for (int i = 0; i < 4; ++i) {
1950                 if (params.user_defined_bullets[i] != ITEMIZE_DEFAULTS[i]) {
1951                         int const font = params.user_defined_bullets[i].getFont();
1952                         if (font == 0) {
1953                                 int const c = params
1954                                         .user_defined_bullets[i]
1955                                         .getCharacter();
1956                                 if (c == 16
1957                                    || c == 17
1958                                    || c == 25
1959                                    || c == 26
1960                                    || c == 31) {
1961                                         features.require("latexsym");
1962                                 }
1963                         } else if (font == 1) {
1964                                 features.require("amssymb");
1965                         } else if ((font >= 2 && font <= 5)) {
1966                                 features.require("pifont");
1967                         }
1968                 }
1969         }
1970
1971         if (lyxerr.debugging(Debug::LATEX)) {
1972                 features.showStruct();
1973         }
1974 }
1975
1976
1977 void Buffer::getLabelList(std::vector<string> & list) const
1978 {
1979         /// if this is a child document and the parent is already loaded
1980         /// Use the parent's list instead  [ale990407]
1981         if (!params.parentname.empty()
1982             && bufferlist.exists(params.parentname)) {
1983                 Buffer const * tmp = bufferlist.getBuffer(params.parentname);
1984                 if (tmp) {
1985                         tmp->getLabelList(list);
1986                         return;
1987                 }
1988         }
1989
1990         for (inset_iterator it = inset_const_iterator_begin();
1991              it != inset_const_iterator_end(); ++it) {
1992                 it->getLabelList(list);
1993         }
1994 }
1995
1996
1997 // This is also a buffer property (ale)
1998 void Buffer::fillWithBibKeys(std::vector<std::pair<string, string> > & keys) const
1999 {
2000         /// if this is a child document and the parent is already loaded
2001         /// use the parent's list instead  [ale990412]
2002         if (!params.parentname.empty() && bufferlist.exists(params.parentname)) {
2003                 Buffer const * tmp = bufferlist.getBuffer(params.parentname);
2004                 if (tmp) {
2005                         tmp->fillWithBibKeys(keys);
2006                         return;
2007                 }
2008         }
2009
2010         for (inset_iterator it = inset_const_iterator_begin();
2011                 it != inset_const_iterator_end(); ++it) {
2012                 if (it->lyxCode() == InsetOld::BIBTEX_CODE)
2013                         static_cast<InsetBibtex &>(*it).fillWithBibKeys(this, keys);
2014                 else if (it->lyxCode() == InsetOld::INCLUDE_CODE)
2015                         static_cast<InsetInclude &>(*it).fillWithBibKeys(keys);
2016                 else if (it->lyxCode() == InsetOld::BIBITEM_CODE) {
2017                         InsetBibitem & bib = static_cast<InsetBibitem &>(*it);
2018                         string const key = bib.getContents();
2019                         string const opt = bib.getOptions();
2020                         string const ref; // = pit->asString(this, false);
2021                         string const info = opt + "TheBibliographyRef" + ref;
2022                         keys.push_back(pair<string, string>(key, info));
2023                 }
2024         }
2025 }
2026
2027
2028 bool Buffer::isDepClean(string const & name) const
2029 {
2030         DepClean::const_iterator it = dep_clean_.find(name);
2031         if (it == dep_clean_.end())
2032                 return true;
2033         return it->second;
2034 }
2035
2036
2037 void Buffer::markDepClean(string const & name)
2038 {
2039         dep_clean_[name] = true;
2040 }
2041
2042
2043 bool Buffer::dispatch(string const & command, bool * result)
2044 {
2045         // Split command string into command and argument
2046         string cmd;
2047         string line = ltrim(command);
2048         string const arg = trim(split(line, cmd, ' '));
2049
2050         return dispatch(lyxaction.LookupFunc(cmd), arg, result);
2051 }
2052
2053
2054 bool Buffer::dispatch(int action, string const & argument, bool * result)
2055 {
2056         bool dispatched = true;
2057
2058         switch (action) {
2059                 case LFUN_EXPORT: {
2060                         bool const tmp = Exporter::Export(this, argument, false);
2061                         if (result)
2062                                 *result = tmp;
2063                         break;
2064                 }
2065
2066                 default:
2067                         dispatched = false;
2068         }
2069         return dispatched;
2070 }
2071
2072
2073 void Buffer::changeLanguage(Language const * from, Language const * to)
2074 {
2075         lyxerr << "Changing Language!" << endl;
2076
2077         // Take care of l10n/i18n
2078         updateDocLang(to);
2079
2080         ParIterator end = par_iterator_end();
2081         for (ParIterator it = par_iterator_begin(); it != end; ++it)
2082                 it->changeLanguage(params, from, to);
2083 }
2084
2085
2086 void Buffer::updateDocLang(Language const * nlang)
2087 {
2088         messages_.reset(new Messages(nlang->code()));
2089 }
2090
2091
2092 bool Buffer::isMultiLingual()
2093 {
2094         ParIterator end = par_iterator_end();
2095         for (ParIterator it = par_iterator_begin(); it != end; ++it)
2096                 if (it->isMultiLingual(params))
2097                         return true;
2098
2099         return false;
2100 }
2101
2102
2103 void Buffer::inset_iterator::setParagraph()
2104 {
2105         while (pit != pend) {
2106                 it = pit->insetlist.begin();
2107                 if (it != pit->insetlist.end())
2108                         return;
2109                 ++pit;
2110         }
2111 }
2112
2113
2114 InsetOld * Buffer::getInsetFromID(int id_arg) const
2115 {
2116         for (inset_iterator it = inset_const_iterator_begin();
2117                  it != inset_const_iterator_end(); ++it)
2118         {
2119                 if (it->id() == id_arg)
2120                         return &(*it);
2121                 InsetOld * in = it->getInsetFromID(id_arg);
2122                 if (in)
2123                         return in;
2124         }
2125         return 0;
2126 }
2127
2128
2129 ParIterator Buffer::getParFromID(int id) const
2130 {
2131 #warning FIXME: const correctness! (Andre)
2132         ParIterator it = const_cast<Buffer*>(this)->par_iterator_begin();
2133         ParIterator end = const_cast<Buffer*>(this)->par_iterator_end();
2134
2135 #warning FIXME, perhaps this func should return a ParIterator? (Lgb)
2136         if (id < 0) {
2137                 // John says this is called with id == -1 from undo
2138                 lyxerr << "getParFromID(), id: " << id << endl;
2139                 return end;
2140         }
2141
2142         for (; it != end; ++it)
2143                 if (it->id() == id)
2144                         return it;
2145
2146         return end;
2147 }
2148
2149
2150 bool Buffer::hasParWithID(int id) const
2151 {
2152         ParConstIterator it = par_iterator_begin();
2153         ParConstIterator end = par_iterator_end();
2154
2155         if (id < 0) {
2156                 // John says this is called with id == -1 from undo
2157                 lyxerr << "hasParWithID(), id: " << id << endl;
2158                 return 0;
2159         }
2160
2161         for (; it != end; ++it)
2162                 if (it->id() == id)
2163                         return true;
2164
2165         return false;
2166 }
2167
2168
2169 ParIterator Buffer::par_iterator_begin()
2170 {
2171         return ParIterator(paragraphs.begin(), paragraphs);
2172 }
2173
2174
2175 ParIterator Buffer::par_iterator_end()
2176 {
2177         return ParIterator(paragraphs.end(), paragraphs);
2178 }
2179
2180 ParConstIterator Buffer::par_iterator_begin() const
2181 {
2182         return ParConstIterator(const_cast<ParagraphList&>(paragraphs).begin(), paragraphs);
2183 }
2184
2185
2186 ParConstIterator Buffer::par_iterator_end() const
2187 {
2188         return ParConstIterator(const_cast<ParagraphList&>(paragraphs).end(), paragraphs);
2189 }
2190
2191
2192 Language const * Buffer::getLanguage() const
2193 {
2194         return params.language;
2195 }
2196
2197
2198 string const Buffer::B_(string const & l10n) const
2199 {
2200         if (messages_.get()) {
2201                 return messages_->get(l10n);
2202         }
2203
2204         return _(l10n);
2205 }
2206
2207
2208 bool Buffer::isClean() const
2209 {
2210         return lyx_clean;
2211 }
2212
2213
2214 bool Buffer::isBakClean() const
2215 {
2216         return bak_clean;
2217 }
2218
2219
2220 void Buffer::markClean() const
2221 {
2222         if (!lyx_clean) {
2223                 lyx_clean = true;
2224                 updateTitles();
2225         }
2226         // if the .lyx file has been saved, we don't need an
2227         // autosave
2228         bak_clean = true;
2229 }
2230
2231
2232 void Buffer::markBakClean()
2233 {
2234         bak_clean = true;
2235 }
2236
2237
2238 void Buffer::setUnnamed(bool flag)
2239 {
2240         unnamed = flag;
2241 }
2242
2243
2244 bool Buffer::isUnnamed()
2245 {
2246         return unnamed;
2247 }
2248
2249
2250 void Buffer::markDirty()
2251 {
2252         if (lyx_clean) {
2253                 lyx_clean = false;
2254                 updateTitles();
2255         }
2256         bak_clean = false;
2257
2258         DepClean::iterator it = dep_clean_.begin();
2259         DepClean::const_iterator const end = dep_clean_.end();
2260
2261         for (; it != end; ++it) {
2262                 it->second = false;
2263         }
2264 }
2265
2266
2267 string const & Buffer::fileName() const
2268 {
2269         return filename_;
2270 }
2271
2272
2273 string const & Buffer::filePath() const
2274 {
2275         return filepath_;
2276 }
2277
2278
2279 bool Buffer::isReadonly() const
2280 {
2281         return read_only;
2282 }
2283
2284
2285 void Buffer::setParentName(string const & name)
2286 {
2287         params.parentname = name;
2288 }
2289
2290
2291 Buffer::inset_iterator::inset_iterator()
2292         : pit(), pend()
2293 {}
2294
2295
2296 Buffer::inset_iterator::inset_iterator(base_type p, base_type e)
2297         : pit(p), pend(e)
2298 {
2299         setParagraph();
2300 }
2301
2302
2303 Buffer::inset_iterator Buffer::inset_iterator_begin()
2304 {
2305         return inset_iterator(paragraphs.begin(), paragraphs.end());
2306 }
2307
2308
2309 Buffer::inset_iterator Buffer::inset_iterator_end()
2310 {
2311         return inset_iterator(paragraphs.end(), paragraphs.end());
2312 }
2313
2314
2315 Buffer::inset_iterator Buffer::inset_const_iterator_begin() const
2316 {
2317         return inset_iterator(const_cast<ParagraphList&>(paragraphs).begin(),
2318                               const_cast<ParagraphList&>(paragraphs).end());
2319 }
2320
2321
2322 Buffer::inset_iterator Buffer::inset_const_iterator_end() const
2323 {
2324         return inset_iterator(const_cast<ParagraphList&>(paragraphs).end(),
2325                               const_cast<ParagraphList&>(paragraphs).end());
2326 }
2327
2328
2329 Buffer::inset_iterator & Buffer::inset_iterator::operator++()
2330 {
2331         if (pit != pend) {
2332                 ++it;
2333                 if (it == pit->insetlist.end()) {
2334                         ++pit;
2335                         setParagraph();
2336                 }
2337         }
2338         return *this;
2339 }
2340
2341
2342 Buffer::inset_iterator Buffer::inset_iterator::operator++(int)
2343 {
2344         inset_iterator tmp = *this;
2345         ++*this;
2346         return tmp;
2347 }
2348
2349
2350 Buffer::inset_iterator::reference Buffer::inset_iterator::operator*()
2351 {
2352         return *it->inset;
2353 }
2354
2355
2356 Buffer::inset_iterator::pointer Buffer::inset_iterator::operator->()
2357 {
2358         return it->inset;
2359 }
2360
2361
2362 ParagraphList::iterator Buffer::inset_iterator::getPar() const
2363 {
2364         return pit;
2365 }
2366
2367
2368 lyx::pos_type Buffer::inset_iterator::getPos() const
2369 {
2370         return it->pos;
2371 }
2372
2373
2374 bool operator==(Buffer::inset_iterator const & iter1,
2375                 Buffer::inset_iterator const & iter2)
2376 {
2377         return iter1.pit == iter2.pit
2378                 && (iter1.pit == iter1.pend || iter1.it == iter2.it);
2379 }
2380
2381
2382 bool operator!=(Buffer::inset_iterator const & iter1,
2383                 Buffer::inset_iterator const & iter2)
2384 {
2385         return !(iter1 == iter2);
2386 }