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