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
  15 #include "author.h"
  16 #include "BranchList.h"
  17 #include "buffer_funcs.h"
  18 #include "bufferlist.h"
  19 #include "bufferparams.h"
  20 #include "counters.h"
  21 #include "Bullet.h"
  22 #include "Chktex.h"
  23 #include "debug.h"
  24 #include "encoding.h"
  25 #include "errorlist.h"
  26 #include "exporter.h"
  27 #include "format.h"
  28 #include "funcrequest.h"
  29 #include "gettext.h"
  30 #include "insetiterator.h"
  31 #include "language.h"
  32 #include "LaTeX.h"
  33 #include "LaTeXFeatures.h"
  34 #include "LyXAction.h"
  35 #include "lyxlex.h"
  36 #include "lyxtext.h"
  37 #include "lyxrc.h"
  38 #include "lyxvc.h"
  39 #include "lyx_main.h"
  40 #include "messages.h"
  41 #include "output.h"
  42 #include "output_docbook.h"
  43 #include "output_latex.h"
  44 #include "paragraph.h"
  45 #include "paragraph_funcs.h"
  46 #include "ParagraphParameters.h"
  47 #include "pariterator.h"
  48 #include "sgml.h"
  49 #include "texrow.h"
  50 #include "undo.h"
  51 #include "version.h"
  52
  53 #include "insets/insetbibitem.h"
  54 #include "insets/insetbibtex.h"
  55 #include "insets/insetinclude.h"
  56 #include "insets/insettext.h"
  57
  58 #include "mathed/math_macrotemplate.h"
  59 #include "mathed/math_macrotable.h"
  60 #include "mathed/math_support.h"
  61
  62 #include "frontends/Alert.h"
  63
  64 #include "graphics/Previews.h"
  65
  66 #include "support/types.h"
  67 #include "support/lyxalgo.h"
  68 #include "support/filetools.h"
  69 #include "support/fs_extras.h"
  70 # include <boost/iostreams/filtering_stream.hpp>
  71 # include <boost/iostreams/filter/gzip.hpp>
  72 # include <boost/iostreams/device/file.hpp>
  73 namespace io = boost::iostreams;
  74 #include "support/lyxlib.h"
  75 #include "support/os.h"
  76 #include "support/path.h"
  77 #include "support/textutils.h"
  78 #include "support/convert.h"
  79
  80 #include <boost/bind.hpp>
  81 #include <boost/filesystem/exception.hpp>
  82 #include <boost/filesystem/operations.hpp>
  83
  84 #if defined (HAVE_UTIME_H)
  85 # include <utime.h>
  86 #elif defined (HAVE_SYS_UTIME_H)
  87 # include <sys/utime.h>
  88 #endif
  89
  90 #include <iomanip>
  91 #include <stack>
  92 #include <sstream>
  93 #include <fstream>
  94
  95
  96 using lyx::pos_type;
  97 using lyx::pit_type;
  98
  99 using lyx::support::addName;
 100 using lyx::support::bformat;
 101 using lyx::support::changeExtension;
 102 using lyx::support::cmd_ret;
 103 using lyx::support::createBufferTmpDir;
 104 using lyx::support::destroyDir;
 105 using lyx::support::getFormatFromContents;
 106 using lyx::support::isDirWriteable;
 107 using lyx::support::libFileSearch;
 108 using lyx::support::latex_path;
 109 using lyx::support::ltrim;
 110 using lyx::support::makeAbsPath;
 111 using lyx::support::makeDisplayPath;
 112 using lyx::support::makeLatexName;
 113 using lyx::support::onlyFilename;
 114 using lyx::support::onlyPath;
 115 using lyx::support::Path;
 116 using lyx::support::quoteName;
 117 using lyx::support::removeAutosaveFile;
 118 using lyx::support::rename;
 119 using lyx::support::runCommand;
 120 using lyx::support::split;
 121 using lyx::support::subst;
 122 using lyx::support::tempName;
 123 using lyx::support::trim;
 124
 125 namespace os = lyx::support::os;
 126 namespace fs = boost::filesystem;
 127
 128 using std::endl;
 129 using std::for_each;
 130 using std::make_pair;
 131
 132 using std::ifstream;
 133 using std::ios;
 134 using std::map;
 135 using std::ostream;
 136 using std::ostringstream;
 137 using std::ofstream;
 138 using std::pair;
 139 using std::stack;
 140 using std::vector;
 141 using std::string;
 142
 143
 144 // all these externs should eventually be removed.
 145 extern BufferList bufferlist;
 146
 147 namespace {
 148
 149 int const LYX_FORMAT = 249;
 150
 151 } // namespace anon
 152
 153
 154 typedef std::map<string, bool> DepClean;
 155
 156 class Buffer::Impl
 157 {
 158 public:
 159         Impl(Buffer & parent, string const & file, bool readonly);
 160
 161         limited_stack<Undo> undostack;
 162         limited_stack<Undo> redostack;
 163         BufferParams params;
 164         LyXVC lyxvc;
 165         string temppath;
 166         TexRow texrow;
 167
 168         /// need to regenerate .tex?
 169         DepClean dep_clean;
 170
 171         /// is save needed?
 172         mutable bool lyx_clean;
 173
 174         /// is autosave needed?
 175         mutable bool bak_clean;
 176
 177         /// is this a unnamed file (New...)?
 178         bool unnamed;
 179
 180         /// buffer is r/o
 181         bool read_only;
 182
 183         /// name of the file the buffer is associated with.
 184         string filename;
 185
 186         boost::scoped_ptr<Messages> messages;
 187
 188         /** Set to true only when the file is fully loaded.
 189          *  Used to prevent the premature generation of previews
 190          *  and by the citation inset.
 191          */
 192         bool file_fully_loaded;
 193
 194         /// our LyXText that should be wrapped in an InsetText
 195         InsetText inset;
 196
 197         ///
 198         MacroTable macros;
 199 };
 200
 201
 202 Buffer::Impl::Impl(Buffer & parent, string const & file, bool readonly_)
 203         : lyx_clean(true), bak_clean(true), unnamed(false), read_only(readonly_),
 204           filename(file), file_fully_loaded(false),
 205                 inset(params)
 206 {
 207         inset.setAutoBreakRows(true);
 208         lyxvc.buffer(&parent);
 209         temppath = createBufferTmpDir();
 210         params.filepath = onlyPath(file);
 211         // FIXME: And now do something if temppath == string(), because we
 212         // assume from now on that temppath points to a valid temp dir.
 213         // See http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg67406.html
 214 }
 215
 216
 217 Buffer::Buffer(string const & file, bool readonly)
 218         : pimpl_(new Impl(*this, file, readonly))
 219 {
 220         lyxerr[Debug::INFO] << "Buffer::Buffer()" << endl;
 221 }
 222
 223
 224 Buffer::~Buffer()
 225 {
 226         lyxerr[Debug::INFO] << "Buffer::~Buffer()" << endl;
 227         // here the buffer should take care that it is
 228         // saved properly, before it goes into the void.
 229
 230         closing();
 231
 232         if (!temppath().empty() && !destroyDir(temppath())) {
 233                 Alert::warning(_("Could not remove temporary directory"),
 234                         bformat(_("Could not remove the temporary directory %1$s"), temppath()));
 235         }
 236
 237         // Remove any previewed LaTeX snippets associated with this buffer.
 238         lyx::graphics::Previews::get().removeLoader(*this);
 239 }
 240
 241
 242 LyXText & Buffer::text() const
 243 {
 244         return const_cast<LyXText &>(pimpl_->inset.text_);
 245 }
 246
 247
 248 InsetBase & Buffer::inset() const
 249 {
 250         return const_cast<InsetText &>(pimpl_->inset);
 251 }
 252
 253
 254 limited_stack<Undo> & Buffer::undostack()
 255 {
 256         return pimpl_->undostack;
 257 }
 258
 259
 260 limited_stack<Undo> const & Buffer::undostack() const
 261 {
 262         return pimpl_->undostack;
 263 }
 264
 265
 266 limited_stack<Undo> & Buffer::redostack()
 267 {
 268         return pimpl_->redostack;
 269 }
 270
 271
 272 limited_stack<Undo> const & Buffer::redostack() const
 273 {
 274         return pimpl_->redostack;
 275 }
 276
 277
 278 BufferParams & Buffer::params()
 279 {
 280         return pimpl_->params;
 281 }
 282
 283
 284 BufferParams const & Buffer::params() const
 285 {
 286         return pimpl_->params;
 287 }
 288
 289
 290 ParagraphList & Buffer::paragraphs()
 291 {
 292         return text().paragraphs();
 293 }
 294
 295
 296 ParagraphList const & Buffer::paragraphs() const
 297 {
 298         return text().paragraphs();
 299 }
 300
 301
 302 LyXVC & Buffer::lyxvc()
 303 {
 304         return pimpl_->lyxvc;
 305 }
 306
 307
 308 LyXVC const & Buffer::lyxvc() const
 309 {
 310         return pimpl_->lyxvc;
 311 }
 312
 313
 314 string const & Buffer::temppath() const
 315 {
 316         return pimpl_->temppath;
 317 }
 318
 319
 320 TexRow & Buffer::texrow()
 321 {
 322         return pimpl_->texrow;
 323 }
 324
 325
 326 TexRow const & Buffer::texrow() const
 327 {
 328         return pimpl_->texrow;
 329 }
 330
 331
 332 string const Buffer::getLatexName(bool const no_path) const
 333 {
 334         string const name = changeExtension(makeLatexName(fileName()), ".tex");
 335         return no_path ? onlyFilename(name) : name;
 336 }
 337
 338
 339 pair<Buffer::LogType, string> const Buffer::getLogName() const
 340 {
 341         string const filename = getLatexName(false);
 342
 343         if (filename.empty())
 344                 return make_pair(Buffer::latexlog, string());
 345
 346         string const path = temppath();
 347
 348         string const fname = addName(path,
 349                                      onlyFilename(changeExtension(filename,
 350                                                                   ".log")));
 351         string const bname =
 352                 addName(path, onlyFilename(
 353                         changeExtension(filename,
 354                                         formats.extension("literate") + ".out")));
 355
 356         // If no Latex log or Build log is newer, show Build log
 357
 358         if (fs::exists(bname) &&
 359             (!fs::exists(fname) || fs::last_write_time(fname) < fs::last_write_time(bname))) {
 360                 lyxerr[Debug::FILES] << "Log name calculated as: " << bname << endl;
 361                 return make_pair(Buffer::buildlog, bname);
 362         }
 363         lyxerr[Debug::FILES] << "Log name calculated as: " << fname << endl;
 364         return make_pair(Buffer::latexlog, fname);
 365 }
 366
 367
 368 void Buffer::setReadonly(bool const flag)
 369 {
 370         if (pimpl_->read_only != flag) {
 371                 pimpl_->read_only = flag;
 372                 readonly(flag);
 373         }
 374 }
 375
 376
 377 void Buffer::setFileName(string const & newfile)
 378 {
 379         pimpl_->filename = makeAbsPath(newfile);
 380         params().filepath = onlyPath(pimpl_->filename);
 381         setReadonly(fs::is_readonly(pimpl_->filename));
 382         updateTitles();
 383 }
 384
 385
 386 // We'll remove this later. (Lgb)
 387 namespace {
 388
 389 void unknownClass(string const & unknown)
 390 {
 391         Alert::warning(_("Unknown document class"),
 392                 bformat(_("Using the default document class, because the "
 393                         "class %1$s is unknown."), unknown));
 394 }
 395
 396 } // anon
 397
 398
 399 int Buffer::readHeader(LyXLex & lex)
 400 {
 401         int unknown_tokens = 0;
 402         int line = -1;
 403         int begin_header_line = -1;
 404
 405         // Initialize parameters that may be/go lacking in header:
 406         params().branchlist().clear();
 407         params().preamble.erase();
 408         params().options.erase();
 409         params().float_placement.erase();
 410         params().paperwidth.erase();
 411         params().paperheight.erase();
 412         params().leftmargin.erase();
 413         params().rightmargin.erase();
 414         params().topmargin.erase();
 415         params().bottommargin.erase();
 416         params().headheight.erase();
 417         params().headsep.erase();
 418         params().footskip.erase();
 419
 420         ErrorList & errorList = errorLists_["Parse"];
 421
 422         while (lex.isOK()) {
 423                 lex.next();
 424                 string const token = lex.getString();
 425
 426                 if (token.empty())
 427                         continue;
 428
 429                 if (token == "\\end_header")
 430                         break;
 431
 432                 ++line;
 433                 if (token == "\\begin_header") {
 434                         begin_header_line = line;
 435                         continue;
 436                 }
 437
 438                 lyxerr[Debug::PARSER] << "Handling document header token: `"
 439                                       << token << '\'' << endl;
 440
 441                 string unknown = params().readToken(lex, token);
 442                 if (!unknown.empty()) {
 443                         if (unknown[0] != '\\' && token == "\\textclass") {
 444                                 unknownClass(unknown);
 445                         } else {
 446                                 ++unknown_tokens;
 447                                 string const s = bformat(_("Unknown token: "
 448                                                            "%1$s %2$s\n"),
 449                                                          token,
 450                                                          lex.getString());
 451                                 errorList.push_back(ErrorItem(_("Document header error"),
 452                                         s, -1, 0, 0));
 453                         }
 454                 }
 455         }
 456         if (begin_header_line) {
 457                 string const s = _("\\begin_header is missing");
 458                 errorList.push_back(ErrorItem(_("Document header error"),
 459                         s, -1, 0, 0));
 460         }
 461
 462         return unknown_tokens;
 463 }
 464
 465
 466 // Uwe C. Schroeder
 467 // changed to be public and have one parameter
 468 // Returns false if "\end_document" is not read (Asger)
 469 bool Buffer::readDocument(LyXLex & lex)
 470 {
 471         ErrorList & errorList = errorLists_["Parse"];
 472         errorList.clear();
 473
 474         lex.next();
 475         string const token = lex.getString();
 476         if (token != "\\begin_document") {
 477                 string const s = _("\\begin_document is missing");
 478                 errorList.push_back(ErrorItem(_("Document header error"),
 479                         s, -1, 0, 0));
 480         }
 481
 482         // we are reading in a brand new document
 483         BOOST_ASSERT(paragraphs().empty());
 484
 485         readHeader(lex);
 486         if (!params().getLyXTextClass().load(filePath())) {
 487                 string theclass = params().getLyXTextClass().name();
 488                 Alert::error(_("Can't load document class"), bformat(
 489                                      "Using the default document class, because the "
 490                                      " class %1$s could not be loaded.", theclass));
 491                 params().textclass = 0;
 492         }
 493
 494         bool const res = text().read(*this, lex, errorList);
 495         for_each(text().paragraphs().begin(),
 496                  text().paragraphs().end(),
 497                  bind(&Paragraph::setInsetOwner, _1, &inset()));
 498         updateBibfilesCache();
 499
 500         return res;
 501 }
 502
 503
 504 // needed to insert the selection
 505 void Buffer::insertStringAsLines(ParagraphList & pars,
 506         pit_type & pit, pos_type & pos,
 507         LyXFont const & fn, string const & str, bool autobreakrows)
 508 {
 509         LyXFont font = fn;
 510
 511         // insert the string, don't insert doublespace
 512         bool space_inserted = true;
 513         for (string::const_iterator cit = str.begin();
 514             cit != str.end(); ++cit) {
 515                 Paragraph & par = pars[pit];
 516                 if (*cit == '\n') {
 517                         if (autobreakrows && (!par.empty() || par.allowEmpty())) {
 518                                 breakParagraph(params(), pars, pit, pos,
 519                                                par.layout()->isEnvironment());
 520                                 ++pit;
 521                                 pos = 0;
 522                                 space_inserted = true;
 523                         } else {
 524                                 continue;
 525                         }
 526                         // do not insert consecutive spaces if !free_spacing
 527                 } else if ((*cit == ' ' || *cit == '\t') &&
 528                            space_inserted && !par.isFreeSpacing()) {
 529                         continue;
 530                 } else if (*cit == '\t') {
 531                         if (!par.isFreeSpacing()) {
 532                                 // tabs are like spaces here
 533                                 par.insertChar(pos, ' ', font);
 534                                 ++pos;
 535                                 space_inserted = true;
 536                         } else {
 537                                 const pos_type n = 8 - pos % 8;
 538                                 for (pos_type i = 0; i < n; ++i) {
 539                                         par.insertChar(pos, ' ', font);
 540                                         ++pos;
 541                                 }
 542                                 space_inserted = true;
 543                         }
 544                 } else if (!isPrintable(*cit)) {
 545                         // Ignore unprintables
 546                         continue;
 547                 } else {
 548                         // just insert the character
 549                         par.insertChar(pos, *cit, font);
 550                         ++pos;
 551                         space_inserted = (*cit == ' ');
 552                 }
 553
 554         }
 555 }
 556
 557
 558 bool Buffer::readFile(string const & filename)
 559 {
 560         // Check if the file is compressed.
 561         string const format = getFormatFromContents(filename);
 562         if (format == "gzip" || format == "zip" || format == "compress") {
 563                 params().compressed = true;
 564         }
 565
 566         // remove dummy empty par
 567         paragraphs().clear();
 568         LyXLex lex(0, 0);
 569         lex.setFile(filename);
 570         if (!readFile(lex, filename))
 571                 return false;
 572
 573         // After we have read a file, we must ensure that the buffer
 574         // language is set and used in the gui.
 575         // If you know of a better place to put this, please tell me. (Lgb)
 576         updateDocLang(params().language);
 577
 578         return true;
 579 }
 580
 581
 582 bool Buffer::fully_loaded() const
 583 {
 584         return pimpl_->file_fully_loaded;
 585 }
 586
 587
 588 void Buffer::fully_loaded(bool const value)
 589 {
 590         pimpl_->file_fully_loaded = value;
 591 }
 592
 593
 594 bool Buffer::readFile(LyXLex & lex, string const & filename)
 595 {
 596         BOOST_ASSERT(!filename.empty());
 597
 598         if (!lex.isOK()) {
 599                 Alert::error(_("Document could not be read"),
 600                              bformat(_("%1$s could not be read."), filename));
 601                 return false;
 602         }
 603
 604         lex.next();
 605         string const token(lex.getString());
 606
 607         if (!lex.isOK()) {
 608                 Alert::error(_("Document could not be read"),
 609                              bformat(_("%1$s could not be read."), filename));
 610                 return false;
 611         }
 612
 613         // the first token _must_ be...
 614         if (token != "\\lyxformat") {
 615                 lyxerr << "Token: " << token << endl;
 616
 617                 Alert::error(_("Document format failure"),
 618                              bformat(_("%1$s is not a LyX document."),
 619                                        filename));
 620                 return false;
 621         }
 622
 623         lex.next();
 624         string tmp_format = lex.getString();
 625         //lyxerr << "LyX Format: `" << tmp_format << '\'' << endl;
 626         // if present remove ".," from string.
 627         string::size_type dot = tmp_format.find_first_of(".,");
 628         //lyxerr << "           dot found at " << dot << endl;
 629         if (dot != string::npos)
 630                         tmp_format.erase(dot, 1);
 631         int const file_format = convert<int>(tmp_format);
 632         //lyxerr << "format: " << file_format << endl;
 633
 634         if (file_format != LYX_FORMAT) {
 635                 string const tmpfile = tempName();
 636                 if (tmpfile.empty()) {
 637                         Alert::error(_("Conversion failed"),
 638                                      bformat(_("%1$s is from an earlier"
 639                                               " version of LyX, but a temporary"
 640                                               " file for converting it could"
 641                                               " not be created."),
 642                                               filename));
 643                         return false;
 644                 }
 645                 string const lyx2lyx = libFileSearch("lyx2lyx", "lyx2lyx");
 646                 if (lyx2lyx.empty()) {
 647                         Alert::error(_("Conversion script not found"),
 648                                      bformat(_("%1$s is from an earlier"
 649                                                " version of LyX, but the"
 650                                                " conversion script lyx2lyx"
 651                                                " could not be found."),
 652                                                filename));
 653                         return false;
 654                 }
 655                 ostringstream command;
 656                 command << os::python() << ' ' << quoteName(lyx2lyx)
 657                         << " -t " << convert<string>(LYX_FORMAT)
 658                         << " -o " << quoteName(tmpfile) << ' '
 659                         << quoteName(filename);
 660                 string const command_str = command.str();
 661
 662                 lyxerr[Debug::INFO] << "Running '"
 663                                     << command_str << '\''
 664                                     << endl;
 665
 666                 cmd_ret const ret = runCommand(command_str);
 667                 if (ret.first != 0) {
 668                         Alert::error(_("Conversion script failed"),
 669                                      bformat(_("%1$s is from an earlier version"
 670                                               " of LyX, but the lyx2lyx script"
 671                                               " failed to convert it."),
 672                                               filename));
 673                         return false;
 674                 } else {
 675                         bool const ret = readFile(tmpfile);
 676                         // Do stuff with tmpfile name and buffer name here.
 677                         return ret;
 678                 }
 679
 680         }
 681
 682         if (readDocument(lex)) {
 683                 Alert::error(_("Document format failure"),
 684                              bformat(_("%1$s ended unexpectedly, which means"
 685                                        " that it is probably corrupted."),
 686                                        filename));
 687         }
 688
 689         //lyxerr << "removing " << MacroTable::localMacros().size()
 690         //      << " temporary macro entries" << endl;
 691         //MacroTable::localMacros().clear();
 692
 693         pimpl_->file_fully_loaded = true;
 694         return true;
 695 }
 696
 697
 698 // Should probably be moved to somewhere else: BufferView? LyXView?
 699 bool Buffer::save() const
 700 {
 701         // We don't need autosaves in the immediate future. (Asger)
 702         resetAutosaveTimers();
 703
 704         // make a backup
 705         string s;
 706         if (lyxrc.make_backup) {
 707                 s = fileName() + '~';
 708                 if (!lyxrc.backupdir_path.empty())
 709                         s = addName(lyxrc.backupdir_path,
 710                                     subst(os::internal_path(s),'/','!'));
 711
 712                 // It might very well be that this variant is just
 713                 // good enough. (Lgb)
 714                 // But to use this we need fs::copy_file to actually do a copy,
 715                 // even when the target file exists. (Lgb)
 716                 try {
 717                     fs::copy_file(fileName(), s, false);
 718                 }
 719                 catch (fs::filesystem_error const & fe) {
 720                         Alert::error(_("Backup failure"),
 721                                 bformat(_("LyX was not able to make a backup copy in %1$s.\n"
 722                                           "Please check if the directory exists and is writeable."),
 723                                           fs::path(s).branch_path().native_directory_string()));
 724                         lyxerr[Debug::DEBUG] << "Fs error: "
 725                                              << fe.what() << endl;
 726                 }
 727         }
 728
 729         if (writeFile(fileName())) {
 730                 markClean();
 731                 removeAutosaveFile(fileName());
 732         } else {
 733                 // Saving failed, so backup is not backup
 734                 if (lyxrc.make_backup)
 735                         rename(s, fileName());
 736                 return false;
 737         }
 738         return true;
 739 }
 740
 741
 742 bool Buffer::writeFile(string const & fname) const
 743 {
 744         if (pimpl_->read_only && fname == fileName())
 745                 return false;
 746
 747         bool retval = false;
 748
 749         if (params().compressed) {
 750                 io::filtering_ostream ofs(io::gzip_compressor() | io::file_sink(fname));
 751                 if (!ofs)
 752                         return false;
 753
 754                 retval = do_writeFile(ofs);
 755         } else {
 756                 ofstream ofs(fname.c_str(), ios::out|ios::trunc);
 757                 if (!ofs)
 758                         return false;
 759
 760                 retval = do_writeFile(ofs);
 761         }
 762
 763         return retval;
 764 }
 765
 766
 767 bool Buffer::do_writeFile(ostream & ofs) const
 768 {
 769 #ifdef HAVE_LOCALE
 770         // Use the standard "C" locale for file output.
 771         ofs.imbue(std::locale::classic());
 772 #endif
 773
 774         // The top of the file should not be written by params().
 775
 776         // write out a comment in the top of the file
 777         ofs << "#LyX " << lyx_version
 778             << " created this file. For more info see http://www.lyx.org/\n"
 779             << "\\lyxformat " << LYX_FORMAT << "\n"
 780             << "\\begin_document\n";
 781
 782         // now write out the buffer parameters.
 783         ofs << "\\begin_header\n";
 784         params().writeFile(ofs);
 785         ofs << "\\end_header\n";
 786
 787         // write the text
 788         ofs << "\n\\begin_body\n";
 789         text().write(*this, ofs);
 790         ofs << "\n\\end_body\n";
 791
 792         // Write marker that shows file is complete
 793         ofs << "\\end_document" << endl;
 794
 795         // Shouldn't really be needed....
 796         //ofs.close();
 797
 798         // how to check if close went ok?
 799         // Following is an attempt... (BE 20001011)
 800
 801         // good() returns false if any error occured, including some
 802         //        formatting error.
 803         // bad()  returns true if something bad happened in the buffer,
 804         //        which should include file system full errors.
 805
 806         bool status = true;
 807         if (!ofs) {
 808                 status = false;
 809                 lyxerr << "File was not closed properly." << endl;
 810         }
 811
 812         return status;
 813 }
 814
 815
 816 void Buffer::makeLaTeXFile(string const & fname,
 817                            string const & original_path,
 818                            OutputParams const & runparams,
 819                            bool output_preamble, bool output_body)
 820 {
 821         lyxerr[Debug::LATEX] << "makeLaTeXFile..." << endl;
 822
 823         ofstream ofs;
 824         if (!openFileWrite(ofs, fname))
 825                 return;
 826
 827         writeLaTeXSource(ofs, original_path,
 828                       runparams, output_preamble, output_body);
 829
 830         ofs.close();
 831         if (ofs.fail())
 832                 lyxerr << "File '" << fname << "' was not closed properly." << endl;
 833 }
 834
 835
 836 void Buffer::writeLaTeXSource(ostream & os,
 837                            string const & original_path,
 838                            OutputParams const & runparams_in,
 839                            bool const output_preamble, bool const output_body)
 840 {
 841         OutputParams runparams = runparams_in;
 842
 843         // validate the buffer.
 844         lyxerr[Debug::LATEX] << "  Validating buffer..." << endl;
 845         LaTeXFeatures features(*this, params(), runparams);
 846         validate(features);
 847         lyxerr[Debug::LATEX] << "  Buffer validation done." << endl;
 848
 849         texrow().reset();
 850
 851         // The starting paragraph of the coming rows is the
 852         // first paragraph of the document. (Asger)
 853         texrow().start(paragraphs().begin()->id(), 0);
 854
 855         if (output_preamble && runparams.nice) {
 856                 os << "%% LyX " << lyx_version << " created this file.  "
 857                         "For more info, see http://www.lyx.org/.\n"
 858                         "%% Do not edit unless you really know what "
 859                         "you are doing.\n";
 860                 texrow().newline();
 861                 texrow().newline();
 862         }
 863         lyxerr[Debug::INFO] << "lyx document header finished" << endl;
 864         // There are a few differences between nice LaTeX and usual files:
 865         // usual is \batchmode and has a
 866         // special input@path to allow the including of figures
 867         // with either \input or \includegraphics (what figinsets do).
 868         // input@path is set when the actual parameter
 869         // original_path is set. This is done for usual tex-file, but not
 870         // for nice-latex-file. (Matthias 250696)
 871         // Note that input@path is only needed for something the user does
 872         // in the preamble, included .tex files or ERT, files included by
 873         // LyX work without it.
 874         if (output_preamble) {
 875                 if (!runparams.nice) {
 876                         // code for usual, NOT nice-latex-file
 877                         os << "\\batchmode\n"; // changed
 878                         // from \nonstopmode
 879                         texrow().newline();
 880                 }
 881                 if (!original_path.empty()) {
 882                         string const inputpath = latex_path(original_path);
 883                         os << "\\makeatletter\n"
 884                             << "\\def\\input@path{{"
 885                             << inputpath << "/}}\n"
 886                             << "\\makeatother\n";
 887                         texrow().newline();
 888                         texrow().newline();
 889                         texrow().newline();
 890                 }
 891
 892                 // Write the preamble
 893                 runparams.use_babel = params().writeLaTeX(os, features, texrow());
 894
 895                 if (!output_body)
 896                         return;
 897
 898                 // make the body.
 899                 os << "\\begin{document}\n";
 900                 texrow().newline();
 901         } // output_preamble
 902         lyxerr[Debug::INFO] << "preamble finished, now the body." << endl;
 903
 904         if (!lyxrc.language_auto_begin) {
 905                 os << subst(lyxrc.language_command_begin, "$$lang",
 906                              params().language->babel())
 907                     << endl;
 908                 texrow().newline();
 909         }
 910
 911         // if we are doing a real file with body, even if this is the
 912         // child of some other buffer, let's cut the link here.
 913         // This happens for example if only a child document is printed.
 914         string save_parentname;
 915         if (output_preamble) {
 916                 save_parentname = params().parentname;
 917                 params().parentname.erase();
 918         }
 919
 920         // the real stuff
 921         latexParagraphs(*this, paragraphs(), os, texrow(), runparams);
 922
 923         // Restore the parenthood if needed
 924         if (output_preamble)
 925                 params().parentname = save_parentname;
 926
 927         // add this just in case after all the paragraphs
 928         os << endl;
 929         texrow().newline();
 930
 931         if (!lyxrc.language_auto_end) {
 932                 os << subst(lyxrc.language_command_end, "$$lang",
 933                              params().language->babel())
 934                     << endl;
 935                 texrow().newline();
 936         }
 937
 938         if (output_preamble) {
 939                 os << "\\end{document}\n";
 940                 texrow().newline();
 941
 942                 lyxerr[Debug::LATEX] << "makeLaTeXFile...done" << endl;
 943         } else {
 944                 lyxerr[Debug::LATEX] << "LaTeXFile for inclusion made."
 945                                      << endl;
 946         }
 947
 948         // Just to be sure. (Asger)
 949         texrow().newline();
 950
 951         lyxerr[Debug::INFO] << "Finished making LaTeX file." << endl;
 952         lyxerr[Debug::INFO] << "Row count was " << texrow().rows() - 1
 953                             << '.' << endl;
 954 }
 955
 956
 957 bool Buffer::isLatex() const
 958 {
 959         return params().getLyXTextClass().outputType() == LATEX;
 960 }
 961
 962
 963 bool Buffer::isLiterate() const
 964 {
 965         return params().getLyXTextClass().outputType() == LITERATE;
 966 }
 967
 968
 969 bool Buffer::isDocBook() const
 970 {
 971         return params().getLyXTextClass().outputType() == DOCBOOK;
 972 }
 973
 974
 975 void Buffer::makeDocBookFile(string const & fname,
 976                               OutputParams const & runparams,
 977                               bool const body_only)
 978 {
 979         lyxerr[Debug::LATEX] << "makeDocBookFile..." << endl;
 980
 981         ofstream ofs;
 982         if (!openFileWrite(ofs, fname))
 983                 return;
 984
 985         writeDocBookSource(ofs, fname, runparams, body_only);
 986
 987         ofs.close();
 988         if (ofs.fail())
 989                 lyxerr << "File '" << fname << "' was not closed properly." << endl;
 990 }
 991
 992
 993 void Buffer::writeDocBookSource(ostream & os, string const & fname,
 994                              OutputParams const & runparams,
 995                              bool const only_body)
 996 {
 997         LaTeXFeatures features(*this, params(), runparams);
 998         validate(features);
 999
1000         texrow().reset();
1001
1002         LyXTextClass const & tclass = params().getLyXTextClass();
1003         string const & top_element = tclass.latexname();
1004
1005         if (!only_body) {
1006                 if (runparams.flavor == OutputParams::XML)
1007                         os << "<?xml version=\"1.0\" encoding=\""
1008                             << params().language->encoding()->name() << "\"?>\n";
1009
1010                 os << "<!DOCTYPE " << top_element << " ";
1011
1012                 if (! tclass.class_header().empty()) os << tclass.class_header();
1013                 else if (runparams.flavor == OutputParams::XML)
1014                         os << "PUBLIC \"-//OASIS//DTD DocBook XML//EN\" "
1015                             << "\"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd\"";
1016                 else
1017                         os << " PUBLIC \"-//OASIS//DTD DocBook V4.2//EN\"";
1018
1019                 string preamble = params().preamble;
1020                 if (runparams.flavor != OutputParams::XML ) {
1021                         preamble += "<!ENTITY % output.print.png \"IGNORE\">\n";
1022                         preamble += "<!ENTITY % output.print.pdf \"IGNORE\">\n";
1023                         preamble += "<!ENTITY % output.print.eps \"IGNORE\">\n";
1024                         preamble += "<!ENTITY % output.print.bmp \"IGNORE\">\n";
1025                 }
1026
1027                 string const name = runparams.nice ? changeExtension(pimpl_->filename, ".sgml")
1028                          : fname;
1029                 preamble += features.getIncludedFiles(name);
1030                 preamble += features.getLyXSGMLEntities();
1031
1032                 if (!preamble.empty()) {
1033                         os << "\n [ " << preamble << " ]";
1034                 }
1035                 os << ">\n\n";
1036         }
1037
1038         string top = top_element;
1039         top += " lang=\"";
1040         if (runparams.flavor == OutputParams::XML)
1041                 top += params().language->code();
1042         else
1043                 top += params().language->code().substr(0,2);
1044         top += '"';
1045
1046         if (!params().options.empty()) {
1047                 top += ' ';
1048                 top += params().options;
1049         }
1050
1051         os << "<!-- " << ((runparams.flavor == OutputParams::XML)? "XML" : "SGML")
1052             << " file was created by LyX " << lyx_version
1053             << "\n  See http://www.lyx.org/ for more information -->\n";
1054
1055         params().getLyXTextClass().counters().reset();
1056
1057         sgml::openTag(os, top);
1058         os << '\n';
1059         docbookParagraphs(paragraphs(), *this, os, runparams);
1060         sgml::closeTag(os, top_element);
1061 }
1062
1063
1064 // chktex should be run with these flags disabled: 3, 22, 25, 30, 38(?)
1065 // Other flags: -wall -v0 -x
1066 int Buffer::runChktex()
1067 {
1068         busy(true);
1069
1070         // get LaTeX-Filename
1071         string const name = getLatexName();
1072         string const path = temppath();
1073         string const org_path = filePath();
1074
1075         Path p(path); // path to LaTeX file
1076         message(_("Running chktex..."));
1077
1078         // Generate the LaTeX file if neccessary
1079         OutputParams runparams;
1080         runparams.flavor = OutputParams::LATEX;
1081         runparams.nice = false;
1082         makeLaTeXFile(name, org_path, runparams);
1083
1084         TeXErrors terr;
1085         Chktex chktex(lyxrc.chktex_command, name, filePath());
1086         int const res = chktex.run(terr); // run chktex
1087
1088         if (res == -1) {
1089                 Alert::error(_("chktex failure"),
1090                              _("Could not run chktex successfully."));
1091         } else if (res > 0) {
1092                 // Fill-in the error list with the TeX errors
1093                 bufferErrors(*this, terr, errorLists_["ChkTex"]);
1094         }
1095
1096         busy(false);
1097
1098         errors("ChkTeX");
1099
1100         return res;
1101 }
1102
1103
1104 void Buffer::validate(LaTeXFeatures & features) const
1105 {
1106         LyXTextClass const & tclass = params().getLyXTextClass();
1107
1108         if (features.isAvailable("dvipost") && params().tracking_changes
1109             && params().output_changes)
1110                 features.require("dvipost");
1111
1112         // AMS Style is at document level
1113         if (params().use_amsmath == BufferParams::AMS_ON
1114             || tclass.provides(LyXTextClass::amsmath))
1115                 features.require("amsmath");
1116
1117         for_each(paragraphs().begin(), paragraphs().end(),
1118                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1119
1120         // the bullet shapes are buffer level not paragraph level
1121         // so they are tested here
1122         for (int i = 0; i < 4; ++i) {
1123                 if (params().user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1124                         int const font = params().user_defined_bullet(i).getFont();
1125                         if (font == 0) {
1126                                 int const c = params()
1127                                         .user_defined_bullet(i)
1128                                         .getCharacter();
1129                                 if (c == 16
1130                                    || c == 17
1131                                    || c == 25
1132                                    || c == 26
1133                                    || c == 31) {
1134                                         features.require("latexsym");
1135                                 }
1136                         } else if (font == 1) {
1137                                 features.require("amssymb");
1138                         } else if ((font >= 2 && font <= 5)) {
1139                                 features.require("pifont");
1140                         }
1141                 }
1142         }
1143
1144         if (lyxerr.debugging(Debug::LATEX)) {
1145                 features.showStruct();
1146         }
1147 }
1148
1149
1150 void Buffer::getLabelList(vector<string> & list) const
1151 {
1152         /// if this is a child document and the parent is already loaded
1153         /// Use the parent's list instead  [ale990407]
1154         Buffer const * tmp = getMasterBuffer();
1155         if (!tmp) {
1156                 lyxerr << "getMasterBuffer() failed!" << endl;
1157                 BOOST_ASSERT(tmp);
1158         }
1159         if (tmp != this) {
1160                 tmp->getLabelList(list);
1161                 return;
1162         }
1163
1164         for (InsetIterator it = inset_iterator_begin(inset()); it; ++it)
1165                 it.nextInset()->getLabelList(*this, list);
1166 }
1167
1168
1169 // This is also a buffer property (ale)
1170 void Buffer::fillWithBibKeys(vector<pair<string, string> > & keys)
1171         const
1172 {
1173         /// if this is a child document and the parent is already loaded
1174         /// use the parent's list instead  [ale990412]
1175         Buffer const * tmp = getMasterBuffer();
1176         BOOST_ASSERT(tmp);
1177         if (tmp != this) {
1178                 tmp->fillWithBibKeys(keys);
1179                 return;
1180         }
1181
1182         for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
1183                 if (it->lyxCode() == InsetBase::BIBTEX_CODE) {
1184                         InsetBibtex const & inset =
1185                                 dynamic_cast<InsetBibtex const &>(*it);
1186                         inset.fillWithBibKeys(*this, keys);
1187                 } else if (it->lyxCode() == InsetBase::INCLUDE_CODE) {
1188                         InsetInclude const & inset =
1189                                 dynamic_cast<InsetInclude const &>(*it);
1190                         inset.fillWithBibKeys(*this, keys);
1191                 } else if (it->lyxCode() == InsetBase::BIBITEM_CODE) {
1192                         InsetBibitem const & inset =
1193                                 dynamic_cast<InsetBibitem const &>(*it);
1194                         string const key = inset.getContents();
1195                         string const opt = inset.getOptions();
1196                         string const ref; // = pit->asString(this, false);
1197                         string const info = opt + "TheBibliographyRef" + ref;
1198                         keys.push_back(pair<string, string>(key, info));
1199                 }
1200         }
1201 }
1202
1203
1204 void Buffer::updateBibfilesCache()
1205 {
1206         // if this is a child document and the parent is already loaded
1207         // update the parent's cache instead
1208         Buffer * tmp = getMasterBuffer();
1209         BOOST_ASSERT(tmp);
1210         if (tmp != this) {
1211                 tmp->updateBibfilesCache();
1212                 return;
1213         }
1214
1215         bibfilesCache_.clear();
1216         for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
1217                 if (it->lyxCode() == InsetBase::BIBTEX_CODE) {
1218                         InsetBibtex const & inset =
1219                                 dynamic_cast<InsetBibtex const &>(*it);
1220                         vector<string> const bibfiles = inset.getFiles(*this);
1221                         bibfilesCache_.insert(bibfilesCache_.end(),
1222                                 bibfiles.begin(),
1223                                 bibfiles.end());
1224                 } else if (it->lyxCode() == InsetBase::INCLUDE_CODE) {
1225                         InsetInclude & inset =
1226                                 dynamic_cast<InsetInclude &>(*it);
1227                         inset.updateBibfilesCache(*this);
1228                         vector<string> const & bibfiles =
1229                                         inset.getBibfilesCache(*this);
1230                         bibfilesCache_.insert(bibfilesCache_.end(),
1231                                 bibfiles.begin(),
1232                                 bibfiles.end());
1233                 }
1234         }
1235 }
1236
1237
1238 vector<string> const & Buffer::getBibfilesCache() const
1239 {
1240         // if this is a child document and the parent is already loaded
1241         // use the parent's cache instead
1242         Buffer const * tmp = getMasterBuffer();
1243         BOOST_ASSERT(tmp);
1244         if (tmp != this)
1245                 return tmp->getBibfilesCache();
1246
1247         return bibfilesCache_;
1248 }
1249
1250
1251 bool Buffer::isDepClean(string const & name) const
1252 {
1253         DepClean::const_iterator const it = pimpl_->dep_clean.find(name);
1254         if (it == pimpl_->dep_clean.end())
1255                 return true;
1256         return it->second;
1257 }
1258
1259
1260 void Buffer::markDepClean(string const & name)
1261 {
1262         pimpl_->dep_clean[name] = true;
1263 }
1264
1265
1266 bool Buffer::dispatch(string const & command, bool * result)
1267 {
1268         return dispatch(lyxaction.lookupFunc(command), result);
1269 }
1270
1271
1272 bool Buffer::dispatch(FuncRequest const & func, bool * result)
1273 {
1274         bool dispatched = true;
1275
1276         switch (func.action) {
1277                 case LFUN_BUFFER_EXPORT: {
1278                         bool const tmp = Exporter::Export(this, lyx::to_utf8(func.argument()), false);
1279                         if (result)
1280                                 *result = tmp;
1281                         break;
1282                 }
1283
1284                 default:
1285                         dispatched = false;
1286         }
1287         return dispatched;
1288 }
1289
1290
1291 void Buffer::changeLanguage(Language const * from, Language const * to)
1292 {
1293         BOOST_ASSERT(from);
1294         BOOST_ASSERT(to);
1295
1296         // Take care of l10n/i18n
1297         updateDocLang(to);
1298
1299         for_each(par_iterator_begin(),
1300                  par_iterator_end(),
1301                  bind(&Paragraph::changeLanguage, _1, params(), from, to));
1302
1303         text().current_font.setLanguage(to);
1304         text().real_current_font.setLanguage(to);
1305 }
1306
1307
1308 void Buffer::updateDocLang(Language const * nlang)
1309 {
1310         BOOST_ASSERT(nlang);
1311
1312         pimpl_->messages.reset(new Messages(nlang->code()));
1313
1314         updateLabels(*this);
1315 }
1316
1317
1318 bool Buffer::isMultiLingual() const
1319 {
1320         ParConstIterator end = par_iterator_end();
1321         for (ParConstIterator it = par_iterator_begin(); it != end; ++it)
1322                 if (it->isMultiLingual(params()))
1323                         return true;
1324
1325         return false;
1326 }
1327
1328
1329 ParIterator Buffer::getParFromID(int const id) const
1330 {
1331         ParConstIterator it = par_iterator_begin();
1332         ParConstIterator const end = par_iterator_end();
1333
1334         if (id < 0) {
1335                 // John says this is called with id == -1 from undo
1336                 lyxerr << "getParFromID(), id: " << id << endl;
1337                 return end;
1338         }
1339
1340         for (; it != end; ++it)
1341                 if (it->id() == id)
1342                         return it;
1343
1344         return end;
1345 }
1346
1347
1348 bool Buffer::hasParWithID(int const id) const
1349 {
1350         ParConstIterator const it = getParFromID(id);
1351         return it != par_iterator_end();
1352 }
1353
1354
1355 ParIterator Buffer::par_iterator_begin()
1356 {
1357         return ::par_iterator_begin(inset());
1358 }
1359
1360
1361 ParIterator Buffer::par_iterator_end()
1362 {
1363         return ::par_iterator_end(inset());
1364 }
1365
1366
1367 ParConstIterator Buffer::par_iterator_begin() const
1368 {
1369         return ::par_const_iterator_begin(inset());
1370 }
1371
1372
1373 ParConstIterator Buffer::par_iterator_end() const
1374 {
1375         return ::par_const_iterator_end(inset());
1376 }
1377
1378
1379 Language const * Buffer::getLanguage() const
1380 {
1381         return params().language;
1382 }
1383
1384
1385 string const Buffer::B_(string const & l10n) const
1386 {
1387         if (pimpl_->messages.get()) {
1388                 return pimpl_->messages->get(l10n);
1389         }
1390
1391         return _(l10n);
1392 }
1393
1394
1395 bool Buffer::isClean() const
1396 {
1397         return pimpl_->lyx_clean;
1398 }
1399
1400
1401 bool Buffer::isBakClean() const
1402 {
1403         return pimpl_->bak_clean;
1404 }
1405
1406
1407 void Buffer::markClean() const
1408 {
1409         if (!pimpl_->lyx_clean) {
1410                 pimpl_->lyx_clean = true;
1411                 updateTitles();
1412         }
1413         // if the .lyx file has been saved, we don't need an
1414         // autosave
1415         pimpl_->bak_clean = true;
1416 }
1417
1418
1419 void Buffer::markBakClean()
1420 {
1421         pimpl_->bak_clean = true;
1422 }
1423
1424
1425 void Buffer::setUnnamed(bool flag)
1426 {
1427         pimpl_->unnamed = flag;
1428 }
1429
1430
1431 bool Buffer::isUnnamed() const
1432 {
1433         return pimpl_->unnamed;
1434 }
1435
1436
1437 #ifdef WITH_WARNINGS
1438 #warning this function should be moved to buffer_pimpl.C
1439 #endif
1440 void Buffer::markDirty()
1441 {
1442         if (pimpl_->lyx_clean) {
1443                 pimpl_->lyx_clean = false;
1444                 updateTitles();
1445         }
1446         pimpl_->bak_clean = false;
1447
1448         DepClean::iterator it = pimpl_->dep_clean.begin();
1449         DepClean::const_iterator const end = pimpl_->dep_clean.end();
1450
1451         for (; it != end; ++it) {
1452                 it->second = false;
1453         }
1454 }
1455
1456
1457 string const & Buffer::fileName() const
1458 {
1459         return pimpl_->filename;
1460 }
1461
1462
1463 string const & Buffer::filePath() const
1464 {
1465         return params().filepath;
1466 }
1467
1468
1469 bool Buffer::isReadonly() const
1470 {
1471         return pimpl_->read_only;
1472 }
1473
1474
1475 void Buffer::setParentName(string const & name)
1476 {
1477         params().parentname = name;
1478 }
1479
1480
1481 Buffer const * Buffer::getMasterBuffer() const
1482 {
1483         if (!params().parentname.empty()
1484             && bufferlist.exists(params().parentname)) {
1485                 Buffer const * buf = bufferlist.getBuffer(params().parentname);
1486                 if (buf)
1487                         return buf->getMasterBuffer();
1488         }
1489
1490         return this;
1491 }
1492
1493
1494 Buffer * Buffer::getMasterBuffer()
1495 {
1496         if (!params().parentname.empty()
1497             && bufferlist.exists(params().parentname)) {
1498                 Buffer * buf = bufferlist.getBuffer(params().parentname);
1499                 if (buf)
1500                         return buf->getMasterBuffer();
1501         }
1502
1503         return this;
1504 }
1505
1506
1507 MacroData const & Buffer::getMacro(std::string const & name) const
1508 {
1509         return pimpl_->macros.get(name);
1510 }
1511
1512
1513 bool Buffer::hasMacro(string const & name) const
1514 {
1515         return pimpl_->macros.has(name);
1516 }
1517
1518
1519 void Buffer::insertMacro(string const & name, MacroData const & data)
1520 {
1521         MacroTable::globalMacros().insert(name, data);
1522         pimpl_->macros.insert(name, data);
1523 }
1524
1525
1526 void Buffer::buildMacros()
1527 {
1528         // Start with global table.
1529         pimpl_->macros = MacroTable::globalMacros();
1530
1531         // Now add our own.
1532         ParagraphList const & pars = text().paragraphs();
1533         for (size_t i = 0, n = pars.size(); i != n; ++i) {
1534                 //lyxerr << "searching main par " << i
1535                 //      << " for macro definitions" << std::endl;
1536                 InsetList const & insets = pars[i].insetlist;
1537                 InsetList::const_iterator it = insets.begin();
1538                 InsetList::const_iterator end = insets.end();
1539                 for ( ; it != end; ++it) {
1540                         //lyxerr << "found inset code " << it->inset->lyxCode() << std::endl;
1541                         if (it->inset->lyxCode() == InsetBase::MATHMACRO_CODE) {
1542                                 MathMacroTemplate const & mac
1543                                         = static_cast<MathMacroTemplate const &>(*it->inset);
1544                                 insertMacro(mac.name(), mac.asMacroData());
1545                         }
1546                 }
1547         }
1548 }
1549
1550
1551 void Buffer::saveCursor(StableDocIterator cur, StableDocIterator anc)
1552 {
1553         cursor_ = cur;
1554         anchor_ = anc;
1555 }
1556
1557
1558 void Buffer::changeRefsIfUnique(string const & from, string const & to)
1559 {
1560         // Check if the label 'from' appears more than once
1561         vector<string> labels;
1562         getLabelList(labels);
1563
1564         if (lyx::count(labels.begin(), labels.end(), from) > 1)
1565                 return;
1566
1567         InsetBase::Code code = InsetBase::REF_CODE;
1568
1569         ParIterator it = par_iterator_begin();
1570         ParIterator end = par_iterator_end();
1571         for ( ; it != end; ++it) {
1572                 bool changed_inset = false;
1573                 for (InsetList::iterator it2 = it->insetlist.begin();
1574                      it2 != it->insetlist.end(); ++it2) {
1575                         if (it2->inset->lyxCode() == code) {
1576                                 InsetCommand * inset = static_cast<InsetCommand *>(it2->inset);
1577                                 if (inset->getContents() == from) {
1578                                         inset->setContents(to);
1579                                         //inset->setButtonLabel();
1580                                         changed_inset = true;
1581                                 }
1582                         }
1583                 }
1584         }
1585 }
1586
1587
1588 void Buffer::getSourceCode(ostream & os, lyx::pit_type par_begin, lyx::pit_type par_end, bool full_source)
1589 {
1590         OutputParams runparams;
1591         runparams.nice = true;
1592         runparams.flavor = OutputParams::LATEX;
1593         runparams.linelen = lyxrc.ascii_linelen;
1594         // No side effect of file copying and image conversion
1595         runparams.dryrun = true;
1596
1597         if (full_source) {
1598                 os << "% Preview source code\n\n";
1599                 if (isLatex())
1600                         writeLaTeXSource(os, filePath(), runparams, true, true);
1601                 else
1602                         writeDocBookSource(os, fileName(), runparams, false);
1603         } else {
1604                 runparams.par_begin = par_begin;
1605                 runparams.par_end = par_end;
1606                 if (par_begin + 1 == par_end)
1607                         os << "% Preview source code for paragraph " << par_begin << "\n\n";
1608                 else
1609                         os << "% Preview source code from paragraph " << par_begin << " to " << par_end - 1 << "\n\n";
1610                 // output paragraphs
1611                 if (isLatex()) {
1612                         texrow().reset();
1613                         latexParagraphs(*this, paragraphs(), os, texrow(), runparams);
1614                 } else // DocBook
1615                         docbookParagraphs(paragraphs(), *this, os, runparams);
1616         }
1617 }
1618
1619
1620 ErrorList const & Buffer::errorList(string const & type) const
1621 {
1622         static ErrorList const emptyErrorList;
1623         std::map<std::string, ErrorList>::const_iterator I = errorLists_.find(type);
1624         if (I == errorLists_.end())
1625                 return emptyErrorList;
1626
1627         return I->second;
1628 }
1629
1630
1631 ErrorList & Buffer::errorList(string const & type)
1632 {
1633         return errorLists_[type];
1634 }