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         bool ret = readFile(lex, filename);
 570
 571         // After we have read a file, we must ensure that the buffer
 572         // language is set and used in the gui.
 573         // If you know of a better place to put this, please tell me. (Lgb)
 574         updateDocLang(params().language);
 575
 576         return ret;
 577 }
 578
 579
 580 bool Buffer::fully_loaded() const
 581 {
 582         return pimpl_->file_fully_loaded;
 583 }
 584
 585
 586 void Buffer::fully_loaded(bool const value)
 587 {
 588         pimpl_->file_fully_loaded = value;
 589 }
 590
 591
 592 bool Buffer::readFile(LyXLex & lex, string const & filename)
 593 {
 594         BOOST_ASSERT(!filename.empty());
 595
 596         if (!lex.isOK()) {
 597                 Alert::error(_("Document could not be read"),
 598                              bformat(_("%1$s could not be read."), filename));
 599                 return false;
 600         }
 601
 602         lex.next();
 603         string const token(lex.getString());
 604
 605         if (!lex.isOK()) {
 606                 Alert::error(_("Document could not be read"),
 607                              bformat(_("%1$s could not be read."), filename));
 608                 return false;
 609         }
 610
 611         // the first token _must_ be...
 612         if (token != "\\lyxformat") {
 613                 lyxerr << "Token: " << token << endl;
 614
 615                 Alert::error(_("Document format failure"),
 616                              bformat(_("%1$s is not a LyX document."),
 617                                        filename));
 618                 return false;
 619         }
 620
 621         lex.next();
 622         string tmp_format = lex.getString();
 623         //lyxerr << "LyX Format: `" << tmp_format << '\'' << endl;
 624         // if present remove ".," from string.
 625         string::size_type dot = tmp_format.find_first_of(".,");
 626         //lyxerr << "           dot found at " << dot << endl;
 627         if (dot != string::npos)
 628                         tmp_format.erase(dot, 1);
 629         int const file_format = convert<int>(tmp_format);
 630         //lyxerr << "format: " << file_format << endl;
 631
 632         if (file_format != LYX_FORMAT) {
 633                 string const tmpfile = tempName();
 634                 if (tmpfile.empty()) {
 635                         Alert::error(_("Conversion failed"),
 636                                      bformat(_("%1$s is from an earlier"
 637                                               " version of LyX, but a temporary"
 638                                               " file for converting it could"
 639                                               " not be created."),
 640                                               filename));
 641                         return false;
 642                 }
 643                 string const lyx2lyx = libFileSearch("lyx2lyx", "lyx2lyx");
 644                 if (lyx2lyx.empty()) {
 645                         Alert::error(_("Conversion script not found"),
 646                                      bformat(_("%1$s is from an earlier"
 647                                                " version of LyX, but the"
 648                                                " conversion script lyx2lyx"
 649                                                " could not be found."),
 650                                                filename));
 651                         return false;
 652                 }
 653                 ostringstream command;
 654                 command << os::python() << ' ' << quoteName(lyx2lyx)
 655                         << " -t " << convert<string>(LYX_FORMAT)
 656                         << " -o " << quoteName(tmpfile) << ' '
 657                         << quoteName(filename);
 658                 string const command_str = command.str();
 659
 660                 lyxerr[Debug::INFO] << "Running '"
 661                                     << command_str << '\''
 662                                     << endl;
 663
 664                 cmd_ret const ret = runCommand(command_str);
 665                 if (ret.first != 0) {
 666                         Alert::error(_("Conversion script failed"),
 667                                      bformat(_("%1$s is from an earlier version"
 668                                               " of LyX, but the lyx2lyx script"
 669                                               " failed to convert it."),
 670                                               filename));
 671                         return false;
 672                 } else {
 673                         bool const ret = readFile(tmpfile);
 674                         // Do stuff with tmpfile name and buffer name here.
 675                         return ret;
 676                 }
 677
 678         }
 679
 680         if (readDocument(lex)) {
 681                 Alert::error(_("Document format failure"),
 682                              bformat(_("%1$s ended unexpectedly, which means"
 683                                        " that it is probably corrupted."),
 684                                        filename));
 685         }
 686
 687         //lyxerr << "removing " << MacroTable::localMacros().size()
 688         //      << " temporary macro entries" << endl;
 689         //MacroTable::localMacros().clear();
 690
 691         pimpl_->file_fully_loaded = true;
 692         return true;
 693 }
 694
 695
 696 // Should probably be moved to somewhere else: BufferView? LyXView?
 697 bool Buffer::save() const
 698 {
 699         // We don't need autosaves in the immediate future. (Asger)
 700         resetAutosaveTimers();
 701
 702         // make a backup
 703         string s;
 704         if (lyxrc.make_backup) {
 705                 s = fileName() + '~';
 706                 if (!lyxrc.backupdir_path.empty())
 707                         s = addName(lyxrc.backupdir_path,
 708                                     subst(os::internal_path(s),'/','!'));
 709
 710                 // It might very well be that this variant is just
 711                 // good enough. (Lgb)
 712                 // But to use this we need fs::copy_file to actually do a copy,
 713                 // even when the target file exists. (Lgb)
 714                 if (fs::exists(fileName()) && fs::is_writable(fs::path(fileName()).branch_path())) {
 715                   //try {
 716                     fs::copy_file(fileName(), s, false);
 717                     //}
 718                     //catch (fs::filesystem_error const & fe) {
 719                     //lyxerr << "LyX was not able to make backup copy. Beware.\n"
 720                     //     << fe.what() << endl;
 721                     //}
 722                 }
 723         }
 724
 725         if (writeFile(fileName())) {
 726                 markClean();
 727                 removeAutosaveFile(fileName());
 728         } else {
 729                 // Saving failed, so backup is not backup
 730                 if (lyxrc.make_backup)
 731                         rename(s, fileName());
 732                 return false;
 733         }
 734         return true;
 735 }
 736
 737
 738 bool Buffer::writeFile(string const & fname) const
 739 {
 740         if (pimpl_->read_only && fname == fileName())
 741                 return false;
 742
 743         bool retval = false;
 744
 745         if (params().compressed) {
 746                 io::filtering_ostream ofs(io::gzip_compressor() | io::file_sink(fname));
 747                 if (!ofs)
 748                         return false;
 749
 750                 retval = do_writeFile(ofs);
 751         } else {
 752                 ofstream ofs(fname.c_str(), ios::out|ios::trunc);
 753                 if (!ofs)
 754                         return false;
 755
 756                 retval = do_writeFile(ofs);
 757         }
 758
 759         return retval;
 760 }
 761
 762
 763 bool Buffer::do_writeFile(ostream & ofs) const
 764 {
 765 #ifdef HAVE_LOCALE
 766         // Use the standard "C" locale for file output.
 767         ofs.imbue(std::locale::classic());
 768 #endif
 769
 770         // The top of the file should not be written by params().
 771
 772         // write out a comment in the top of the file
 773         ofs << "#LyX " << lyx_version
 774             << " created this file. For more info see http://www.lyx.org/\n"
 775             << "\\lyxformat " << LYX_FORMAT << "\n"
 776             << "\\begin_document\n";
 777
 778         // now write out the buffer parameters.
 779         ofs << "\\begin_header\n";
 780         params().writeFile(ofs);
 781         ofs << "\\end_header\n";
 782
 783         // write the text
 784         ofs << "\n\\begin_body\n";
 785         text().write(*this, ofs);
 786         ofs << "\n\\end_body\n";
 787
 788         // Write marker that shows file is complete
 789         ofs << "\\end_document" << endl;
 790
 791         // Shouldn't really be needed....
 792         //ofs.close();
 793
 794         // how to check if close went ok?
 795         // Following is an attempt... (BE 20001011)
 796
 797         // good() returns false if any error occured, including some
 798         //        formatting error.
 799         // bad()  returns true if something bad happened in the buffer,
 800         //        which should include file system full errors.
 801
 802         bool status = true;
 803         if (!ofs) {
 804                 status = false;
 805                 lyxerr << "File was not closed properly." << endl;
 806         }
 807
 808         return status;
 809 }
 810
 811
 812 void Buffer::makeLaTeXFile(string const & fname,
 813                            string const & original_path,
 814                            OutputParams const & runparams,
 815                            bool output_preamble, bool output_body)
 816 {
 817         lyxerr[Debug::LATEX] << "makeLaTeXFile..." << endl;
 818
 819         ofstream ofs;
 820         if (!openFileWrite(ofs, fname))
 821                 return;
 822
 823         writeLaTeXSource(ofs, original_path,
 824                       runparams, output_preamble, output_body);
 825
 826         ofs.close();
 827         if (ofs.fail())
 828                 lyxerr << "File '" << fname << "' was not closed properly." << endl;
 829 }
 830
 831
 832 void Buffer::writeLaTeXSource(ostream & os,
 833                            string const & original_path,
 834                            OutputParams const & runparams_in,
 835                            bool const output_preamble, bool const output_body)
 836 {
 837         OutputParams runparams = runparams_in;
 838
 839         // validate the buffer.
 840         lyxerr[Debug::LATEX] << "  Validating buffer..." << endl;
 841         LaTeXFeatures features(*this, params(), runparams);
 842         validate(features);
 843         lyxerr[Debug::LATEX] << "  Buffer validation done." << endl;
 844
 845         texrow().reset();
 846
 847         // The starting paragraph of the coming rows is the
 848         // first paragraph of the document. (Asger)
 849         texrow().start(paragraphs().begin()->id(), 0);
 850
 851         if (output_preamble && runparams.nice) {
 852                 os << "%% LyX " << lyx_version << " created this file.  "
 853                         "For more info, see http://www.lyx.org/.\n"
 854                         "%% Do not edit unless you really know what "
 855                         "you are doing.\n";
 856                 texrow().newline();
 857                 texrow().newline();
 858         }
 859         lyxerr[Debug::INFO] << "lyx document header finished" << endl;
 860         // There are a few differences between nice LaTeX and usual files:
 861         // usual is \batchmode and has a
 862         // special input@path to allow the including of figures
 863         // with either \input or \includegraphics (what figinsets do).
 864         // input@path is set when the actual parameter
 865         // original_path is set. This is done for usual tex-file, but not
 866         // for nice-latex-file. (Matthias 250696)
 867         // Note that input@path is only needed for something the user does
 868         // in the preamble, included .tex files or ERT, files included by
 869         // LyX work without it.
 870         if (output_preamble) {
 871                 if (!runparams.nice) {
 872                         // code for usual, NOT nice-latex-file
 873                         os << "\\batchmode\n"; // changed
 874                         // from \nonstopmode
 875                         texrow().newline();
 876                 }
 877                 if (!original_path.empty()) {
 878                         string const inputpath = latex_path(original_path);
 879                         os << "\\makeatletter\n"
 880                             << "\\def\\input@path{{"
 881                             << inputpath << "/}}\n"
 882                             << "\\makeatother\n";
 883                         texrow().newline();
 884                         texrow().newline();
 885                         texrow().newline();
 886                 }
 887
 888                 // Write the preamble
 889                 runparams.use_babel = params().writeLaTeX(os, features, texrow());
 890
 891                 if (!output_body)
 892                         return;
 893
 894                 // make the body.
 895                 os << "\\begin{document}\n";
 896                 texrow().newline();
 897         } // output_preamble
 898         lyxerr[Debug::INFO] << "preamble finished, now the body." << endl;
 899
 900         if (!lyxrc.language_auto_begin) {
 901                 os << subst(lyxrc.language_command_begin, "$$lang",
 902                              params().language->babel())
 903                     << endl;
 904                 texrow().newline();
 905         }
 906
 907         // if we are doing a real file with body, even if this is the
 908         // child of some other buffer, let's cut the link here.
 909         // This happens for example if only a child document is printed.
 910         string save_parentname;
 911         if (output_preamble) {
 912                 save_parentname = params().parentname;
 913                 params().parentname.erase();
 914         }
 915
 916         // the real stuff
 917         latexParagraphs(*this, paragraphs(), os, texrow(), runparams);
 918
 919         // Restore the parenthood if needed
 920         if (output_preamble)
 921                 params().parentname = save_parentname;
 922
 923         // add this just in case after all the paragraphs
 924         os << endl;
 925         texrow().newline();
 926
 927         if (!lyxrc.language_auto_end) {
 928                 os << subst(lyxrc.language_command_end, "$$lang",
 929                              params().language->babel())
 930                     << endl;
 931                 texrow().newline();
 932         }
 933
 934         if (output_preamble) {
 935                 os << "\\end{document}\n";
 936                 texrow().newline();
 937
 938                 lyxerr[Debug::LATEX] << "makeLaTeXFile...done" << endl;
 939         } else {
 940                 lyxerr[Debug::LATEX] << "LaTeXFile for inclusion made."
 941                                      << endl;
 942         }
 943
 944         // Just to be sure. (Asger)
 945         texrow().newline();
 946
 947         lyxerr[Debug::INFO] << "Finished making LaTeX file." << endl;
 948         lyxerr[Debug::INFO] << "Row count was " << texrow().rows() - 1
 949                             << '.' << endl;
 950 }
 951
 952
 953 bool Buffer::isLatex() const
 954 {
 955         return params().getLyXTextClass().outputType() == LATEX;
 956 }
 957
 958
 959 bool Buffer::isLiterate() const
 960 {
 961         return params().getLyXTextClass().outputType() == LITERATE;
 962 }
 963
 964
 965 bool Buffer::isDocBook() const
 966 {
 967         return params().getLyXTextClass().outputType() == DOCBOOK;
 968 }
 969
 970
 971 bool Buffer::isSGML() const
 972 {
 973         LyXTextClass const & tclass = params().getLyXTextClass();
 974
 975         return tclass.outputType() == DOCBOOK;
 976 }
 977
 978
 979 void Buffer::makeDocBookFile(string const & fname,
 980                               OutputParams const & runparams,
 981                               bool const body_only)
 982 {
 983         lyxerr[Debug::LATEX] << "makeDocBookFile..." << endl;
 984
 985         ofstream ofs;
 986         if (!openFileWrite(ofs, fname))
 987                 return;
 988
 989         writeDocBookSource(ofs, fname, runparams, body_only);
 990
 991         ofs.close();
 992         if (ofs.fail())
 993                 lyxerr << "File '" << fname << "' was not closed properly." << endl;
 994 }
 995
 996
 997 void Buffer::writeDocBookSource(ostream & os, string const & fname,
 998                              OutputParams const & runparams,
 999                              bool const only_body)
1000 {
1001         LaTeXFeatures features(*this, params(), runparams);
1002         validate(features);
1003
1004         texrow().reset();
1005
1006         LyXTextClass const & tclass = params().getLyXTextClass();
1007         string const & top_element = tclass.latexname();
1008
1009         if (!only_body) {
1010                 if (runparams.flavor == OutputParams::XML)
1011                         os << "<?xml version=\"1.0\" encoding=\""
1012                             << params().language->encoding()->name() << "\"?>\n";
1013
1014                 os << "<!DOCTYPE " << top_element << " ";
1015
1016                 if (! tclass.class_header().empty()) os << tclass.class_header();
1017                 else if (runparams.flavor == OutputParams::XML)
1018                         os << "PUBLIC \"-//OASIS//DTD DocBook XML//EN\" "
1019                             << "\"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd\"";
1020                 else
1021                         os << " PUBLIC \"-//OASIS//DTD DocBook V4.2//EN\"";
1022
1023                 string preamble = params().preamble;
1024                 if (runparams.flavor != OutputParams::XML ) {
1025                         preamble += "<!ENTITY % output.print.png \"IGNORE\">\n";
1026                         preamble += "<!ENTITY % output.print.pdf \"IGNORE\">\n";
1027                         preamble += "<!ENTITY % output.print.eps \"IGNORE\">\n";
1028                         preamble += "<!ENTITY % output.print.bmp \"IGNORE\">\n";
1029                 }
1030
1031                 string const name = runparams.nice ? changeExtension(pimpl_->filename, ".sgml")
1032                          : fname;
1033                 preamble += features.getIncludedFiles(name);
1034                 preamble += features.getLyXSGMLEntities();
1035
1036                 if (!preamble.empty()) {
1037                         os << "\n [ " << preamble << " ]";
1038                 }
1039                 os << ">\n\n";
1040         }
1041
1042         string top = top_element;
1043         top += " lang=\"";
1044         if (runparams.flavor == OutputParams::XML)
1045                 top += params().language->code();
1046         else
1047                 top += params().language->code().substr(0,2);
1048         top += '"';
1049
1050         if (!params().options.empty()) {
1051                 top += ' ';
1052                 top += params().options;
1053         }
1054
1055         os << "<!-- " << ((runparams.flavor == OutputParams::XML)? "XML" : "SGML")
1056             << " file was created by LyX " << lyx_version
1057             << "\n  See http://www.lyx.org/ for more information -->\n";
1058
1059         params().getLyXTextClass().counters().reset();
1060
1061         sgml::openTag(os, top);
1062         os << '\n';
1063         docbookParagraphs(paragraphs(), *this, os, runparams);
1064         sgml::closeTag(os, top_element);
1065 }
1066
1067
1068 // chktex should be run with these flags disabled: 3, 22, 25, 30, 38(?)
1069 // Other flags: -wall -v0 -x
1070 int Buffer::runChktex()
1071 {
1072         busy(true);
1073
1074         // get LaTeX-Filename
1075         string const name = getLatexName();
1076         string const path = temppath();
1077         string const org_path = filePath();
1078
1079         Path p(path); // path to LaTeX file
1080         message(_("Running chktex..."));
1081
1082         // Generate the LaTeX file if neccessary
1083         OutputParams runparams;
1084         runparams.flavor = OutputParams::LATEX;
1085         runparams.nice = false;
1086         makeLaTeXFile(name, org_path, runparams);
1087
1088         TeXErrors terr;
1089         Chktex chktex(lyxrc.chktex_command, name, filePath());
1090         int const res = chktex.run(terr); // run chktex
1091
1092         if (res == -1) {
1093                 Alert::error(_("chktex failure"),
1094                              _("Could not run chktex successfully."));
1095         } else if (res > 0) {
1096                 // Fill-in the error list with the TeX errors
1097                 bufferErrors(*this, terr, errorLists_["ChkTex"]);
1098         }
1099
1100         busy(false);
1101
1102         errors("ChkTeX");
1103
1104         return res;
1105 }
1106
1107
1108 void Buffer::validate(LaTeXFeatures & features) const
1109 {
1110         LyXTextClass const & tclass = params().getLyXTextClass();
1111
1112         if (features.isAvailable("dvipost") && params().tracking_changes
1113             && params().output_changes)
1114                 features.require("dvipost");
1115
1116         // AMS Style is at document level
1117         if (params().use_amsmath == BufferParams::AMS_ON
1118             || tclass.provides(LyXTextClass::amsmath))
1119                 features.require("amsmath");
1120
1121         for_each(paragraphs().begin(), paragraphs().end(),
1122                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1123
1124         // the bullet shapes are buffer level not paragraph level
1125         // so they are tested here
1126         for (int i = 0; i < 4; ++i) {
1127                 if (params().user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1128                         int const font = params().user_defined_bullet(i).getFont();
1129                         if (font == 0) {
1130                                 int const c = params()
1131                                         .user_defined_bullet(i)
1132                                         .getCharacter();
1133                                 if (c == 16
1134                                    || c == 17
1135                                    || c == 25
1136                                    || c == 26
1137                                    || c == 31) {
1138                                         features.require("latexsym");
1139                                 }
1140                         } else if (font == 1) {
1141                                 features.require("amssymb");
1142                         } else if ((font >= 2 && font <= 5)) {
1143                                 features.require("pifont");
1144                         }
1145                 }
1146         }
1147
1148         if (lyxerr.debugging(Debug::LATEX)) {
1149                 features.showStruct();
1150         }
1151 }
1152
1153
1154 void Buffer::getLabelList(vector<string> & list) const
1155 {
1156         /// if this is a child document and the parent is already loaded
1157         /// Use the parent's list instead  [ale990407]
1158         Buffer const * tmp = getMasterBuffer();
1159         if (!tmp) {
1160                 lyxerr << "getMasterBuffer() failed!" << endl;
1161                 BOOST_ASSERT(tmp);
1162         }
1163         if (tmp != this) {
1164                 tmp->getLabelList(list);
1165                 return;
1166         }
1167
1168         for (InsetIterator it = inset_iterator_begin(inset()); it; ++it)
1169                 it.nextInset()->getLabelList(*this, list);
1170 }
1171
1172
1173 // This is also a buffer property (ale)
1174 void Buffer::fillWithBibKeys(vector<pair<string, string> > & keys)
1175         const
1176 {
1177         /// if this is a child document and the parent is already loaded
1178         /// use the parent's list instead  [ale990412]
1179         Buffer const * tmp = getMasterBuffer();
1180         BOOST_ASSERT(tmp);
1181         if (tmp != this) {
1182                 tmp->fillWithBibKeys(keys);
1183                 return;
1184         }
1185
1186         for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
1187                 if (it->lyxCode() == InsetBase::BIBTEX_CODE) {
1188                         InsetBibtex const & inset =
1189                                 dynamic_cast<InsetBibtex const &>(*it);
1190                         inset.fillWithBibKeys(*this, keys);
1191                 } else if (it->lyxCode() == InsetBase::INCLUDE_CODE) {
1192                         InsetInclude const & inset =
1193                                 dynamic_cast<InsetInclude const &>(*it);
1194                         inset.fillWithBibKeys(*this, keys);
1195                 } else if (it->lyxCode() == InsetBase::BIBITEM_CODE) {
1196                         InsetBibitem const & inset =
1197                                 dynamic_cast<InsetBibitem const &>(*it);
1198                         string const key = inset.getContents();
1199                         string const opt = inset.getOptions();
1200                         string const ref; // = pit->asString(this, false);
1201                         string const info = opt + "TheBibliographyRef" + ref;
1202                         keys.push_back(pair<string, string>(key, info));
1203                 }
1204         }
1205 }
1206
1207
1208 void Buffer::updateBibfilesCache()
1209 {
1210         // if this is a child document and the parent is already loaded
1211         // update the parent's cache instead
1212         Buffer * tmp = getMasterBuffer();
1213         BOOST_ASSERT(tmp);
1214         if (tmp != this) {
1215                 tmp->updateBibfilesCache();
1216                 return;
1217         }
1218
1219         bibfilesCache_.clear();
1220         for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
1221                 if (it->lyxCode() == InsetBase::BIBTEX_CODE) {
1222                         InsetBibtex const & inset =
1223                                 dynamic_cast<InsetBibtex const &>(*it);
1224                         vector<string> const bibfiles = inset.getFiles(*this);
1225                         bibfilesCache_.insert(bibfilesCache_.end(),
1226                                 bibfiles.begin(),
1227                                 bibfiles.end());
1228                 } else if (it->lyxCode() == InsetBase::INCLUDE_CODE) {
1229                         InsetInclude & inset =
1230                                 dynamic_cast<InsetInclude &>(*it);
1231                         inset.updateBibfilesCache(*this);
1232                         vector<string> const & bibfiles =
1233                                         inset.getBibfilesCache(*this);
1234                         bibfilesCache_.insert(bibfilesCache_.end(),
1235                                 bibfiles.begin(),
1236                                 bibfiles.end());
1237                 }
1238         }
1239 }
1240
1241
1242 vector<string> const & Buffer::getBibfilesCache() const
1243 {
1244         // if this is a child document and the parent is already loaded
1245         // use the parent's cache instead
1246         Buffer const * tmp = getMasterBuffer();
1247         BOOST_ASSERT(tmp);
1248         if (tmp != this)
1249                 return tmp->getBibfilesCache();
1250
1251         return bibfilesCache_;
1252 }
1253
1254
1255 bool Buffer::isDepClean(string const & name) const
1256 {
1257         DepClean::const_iterator const it = pimpl_->dep_clean.find(name);
1258         if (it == pimpl_->dep_clean.end())
1259                 return true;
1260         return it->second;
1261 }
1262
1263
1264 void Buffer::markDepClean(string const & name)
1265 {
1266         pimpl_->dep_clean[name] = true;
1267 }
1268
1269
1270 bool Buffer::dispatch(string const & command, bool * result)
1271 {
1272         return dispatch(lyxaction.lookupFunc(command), result);
1273 }
1274
1275
1276 bool Buffer::dispatch(FuncRequest const & func, bool * result)
1277 {
1278         bool dispatched = true;
1279
1280         switch (func.action) {
1281                 case LFUN_BUFFER_EXPORT: {
1282                         bool const tmp = Exporter::Export(this, func.argument, false);
1283                         if (result)
1284                                 *result = tmp;
1285                         break;
1286                 }
1287
1288                 default:
1289                         dispatched = false;
1290         }
1291         return dispatched;
1292 }
1293
1294
1295 void Buffer::changeLanguage(Language const * from, Language const * to)
1296 {
1297         BOOST_ASSERT(from);
1298         BOOST_ASSERT(to);
1299
1300         // Take care of l10n/i18n
1301         updateDocLang(to);
1302
1303         for_each(par_iterator_begin(),
1304                  par_iterator_end(),
1305                  bind(&Paragraph::changeLanguage, _1, params(), from, to));
1306
1307         text().current_font.setLanguage(to);
1308         text().real_current_font.setLanguage(to);
1309 }
1310
1311
1312 void Buffer::updateDocLang(Language const * nlang)
1313 {
1314         BOOST_ASSERT(nlang);
1315
1316         pimpl_->messages.reset(new Messages(nlang->code()));
1317
1318         updateLabels(*this);
1319 }
1320
1321
1322 bool Buffer::isMultiLingual() const
1323 {
1324         ParConstIterator end = par_iterator_end();
1325         for (ParConstIterator it = par_iterator_begin(); it != end; ++it)
1326                 if (it->isMultiLingual(params()))
1327                         return true;
1328
1329         return false;
1330 }
1331
1332
1333 ParIterator Buffer::getParFromID(int const id) const
1334 {
1335         ParConstIterator it = par_iterator_begin();
1336         ParConstIterator const end = par_iterator_end();
1337
1338         if (id < 0) {
1339                 // John says this is called with id == -1 from undo
1340                 lyxerr << "getParFromID(), id: " << id << endl;
1341                 return end;
1342         }
1343
1344         for (; it != end; ++it)
1345                 if (it->id() == id)
1346                         return it;
1347
1348         return end;
1349 }
1350
1351
1352 bool Buffer::hasParWithID(int const id) const
1353 {
1354         ParConstIterator const it = getParFromID(id);
1355         return it != par_iterator_end();
1356 }
1357
1358
1359 ParIterator Buffer::par_iterator_begin()
1360 {
1361         return ::par_iterator_begin(inset());
1362 }
1363
1364
1365 ParIterator Buffer::par_iterator_end()
1366 {
1367         return ::par_iterator_end(inset());
1368 }
1369
1370
1371 ParConstIterator Buffer::par_iterator_begin() const
1372 {
1373         return ::par_const_iterator_begin(inset());
1374 }
1375
1376
1377 ParConstIterator Buffer::par_iterator_end() const
1378 {
1379         return ::par_const_iterator_end(inset());
1380 }
1381
1382
1383 Language const * Buffer::getLanguage() const
1384 {
1385         return params().language;
1386 }
1387
1388
1389 string const Buffer::B_(string const & l10n) const
1390 {
1391         if (pimpl_->messages.get()) {
1392                 return pimpl_->messages->get(l10n);
1393         }
1394
1395         return _(l10n);
1396 }
1397
1398
1399 bool Buffer::isClean() const
1400 {
1401         return pimpl_->lyx_clean;
1402 }
1403
1404
1405 bool Buffer::isBakClean() const
1406 {
1407         return pimpl_->bak_clean;
1408 }
1409
1410
1411 void Buffer::markClean() const
1412 {
1413         if (!pimpl_->lyx_clean) {
1414                 pimpl_->lyx_clean = true;
1415                 updateTitles();
1416         }
1417         // if the .lyx file has been saved, we don't need an
1418         // autosave
1419         pimpl_->bak_clean = true;
1420 }
1421
1422
1423 void Buffer::markBakClean()
1424 {
1425         pimpl_->bak_clean = true;
1426 }
1427
1428
1429 void Buffer::setUnnamed(bool flag)
1430 {
1431         pimpl_->unnamed = flag;
1432 }
1433
1434
1435 bool Buffer::isUnnamed() const
1436 {
1437         return pimpl_->unnamed;
1438 }
1439
1440
1441 #ifdef WITH_WARNINGS
1442 #warning this function should be moved to buffer_pimpl.C
1443 #endif
1444 void Buffer::markDirty()
1445 {
1446         if (pimpl_->lyx_clean) {
1447                 pimpl_->lyx_clean = false;
1448                 updateTitles();
1449         }
1450         pimpl_->bak_clean = false;
1451
1452         DepClean::iterator it = pimpl_->dep_clean.begin();
1453         DepClean::const_iterator const end = pimpl_->dep_clean.end();
1454
1455         for (; it != end; ++it) {
1456                 it->second = false;
1457         }
1458 }
1459
1460
1461 string const & Buffer::fileName() const
1462 {
1463         return pimpl_->filename;
1464 }
1465
1466
1467 string const & Buffer::filePath() const
1468 {
1469         return params().filepath;
1470 }
1471
1472
1473 bool Buffer::isReadonly() const
1474 {
1475         return pimpl_->read_only;
1476 }
1477
1478
1479 void Buffer::setParentName(string const & name)
1480 {
1481         params().parentname = name;
1482 }
1483
1484
1485 Buffer const * Buffer::getMasterBuffer() const
1486 {
1487         if (!params().parentname.empty()
1488             && bufferlist.exists(params().parentname)) {
1489                 Buffer const * buf = bufferlist.getBuffer(params().parentname);
1490                 if (buf)
1491                         return buf->getMasterBuffer();
1492         }
1493
1494         return this;
1495 }
1496
1497
1498 Buffer * Buffer::getMasterBuffer()
1499 {
1500         if (!params().parentname.empty()
1501             && bufferlist.exists(params().parentname)) {
1502                 Buffer * buf = bufferlist.getBuffer(params().parentname);
1503                 if (buf)
1504                         return buf->getMasterBuffer();
1505         }
1506
1507         return this;
1508 }
1509
1510
1511 MacroData const & Buffer::getMacro(std::string const & name) const
1512 {
1513         return pimpl_->macros.get(name);
1514 }
1515
1516
1517 bool Buffer::hasMacro(string const & name) const
1518 {
1519         return pimpl_->macros.has(name);
1520 }
1521
1522
1523 void Buffer::insertMacro(string const & name, MacroData const & data)
1524 {
1525         MacroTable::globalMacros().insert(name, data);
1526         pimpl_->macros.insert(name, data);
1527 }
1528
1529
1530 void Buffer::buildMacros()
1531 {
1532         // Start with global table.
1533         pimpl_->macros = MacroTable::globalMacros();
1534
1535         // Now add our own.
1536         ParagraphList const & pars = text().paragraphs();
1537         for (size_t i = 0, n = pars.size(); i != n; ++i) {
1538                 //lyxerr << "searching main par " << i
1539                 //      << " for macro definitions" << std::endl;
1540                 InsetList const & insets = pars[i].insetlist;
1541                 InsetList::const_iterator it = insets.begin();
1542                 InsetList::const_iterator end = insets.end();
1543                 for ( ; it != end; ++it) {
1544                         //lyxerr << "found inset code " << it->inset->lyxCode() << std::endl;
1545                         if (it->inset->lyxCode() == InsetBase::MATHMACRO_CODE) {
1546                                 MathMacroTemplate const & mac
1547                                         = static_cast<MathMacroTemplate const &>(*it->inset);
1548                                 insertMacro(mac.name(), mac.asMacroData());
1549                         }
1550                 }
1551         }
1552 }
1553
1554
1555 void Buffer::saveCursor(StableDocIterator cur, StableDocIterator anc)
1556 {
1557         cursor_ = cur;
1558         anchor_ = anc;
1559 }
1560
1561
1562 void Buffer::changeRefsIfUnique(string const & from, string const & to)
1563 {
1564         // Check if the label 'from' appears more than once
1565         vector<string> labels;
1566         getLabelList(labels);
1567
1568         if (lyx::count(labels.begin(), labels.end(), from) > 1)
1569                 return;
1570
1571         InsetBase::Code code = InsetBase::REF_CODE;
1572
1573         ParIterator it = par_iterator_begin();
1574         ParIterator end = par_iterator_end();
1575         for ( ; it != end; ++it) {
1576                 bool changed_inset = false;
1577                 for (InsetList::iterator it2 = it->insetlist.begin();
1578                      it2 != it->insetlist.end(); ++it2) {
1579                         if (it2->inset->lyxCode() == code) {
1580                                 InsetCommand * inset = static_cast<InsetCommand *>(it2->inset);
1581                                 if (inset->getContents() == from) {
1582                                         inset->setContents(to);
1583                                         //inset->setButtonLabel();
1584                                         changed_inset = true;
1585                                 }
1586                         }
1587                 }
1588         }
1589 }
1590
1591
1592 void Buffer::getSourceCode(ostream & os, lyx::pit_type par_begin, lyx::pit_type par_end, bool full_source)
1593 {
1594         OutputParams runparams;
1595         runparams.nice = true;
1596         runparams.flavor = OutputParams::LATEX;
1597         runparams.linelen = lyxrc.ascii_linelen;
1598         // No side effect of file copying and image conversion
1599         runparams.dryrun = true;
1600
1601         if (full_source) {
1602                 os << "% Preview source code\n\n";
1603                 if (isLatex())
1604                         writeLaTeXSource(os, filePath(), runparams, true, true);
1605                 else
1606                         writeDocBookSource(os, fileName(), runparams, false);
1607         } else {
1608                 runparams.par_begin = par_begin;
1609                 runparams.par_end = par_end;
1610                 if (par_begin + 1 == par_end)
1611                         os << "% Preview source code for paragraph " << par_begin << "\n\n";
1612                 else
1613                         os << "% Preview source code from paragraph " << par_begin << " to " << par_end - 1 << "\n\n";
1614                 // output paragraphs
1615                 if (isLatex()) {
1616                         texrow().reset();
1617                         latexParagraphs(*this, paragraphs(), os, texrow(), runparams);
1618                 } else // DocBook
1619                         docbookParagraphs(paragraphs(), *this, os, runparams);
1620         }
1621 }
1622
1623
1624 ErrorList const & Buffer::errorList(string const & type) const
1625 {
1626         static ErrorList const emptyErrorList;
1627         std::map<std::string, ErrorList>::const_iterator I = errorLists_.find(type);
1628         if (I == errorLists_.end())
1629                 return emptyErrorList;
1630
1631         return I->second;
1632 }
1633
1634
1635 ErrorList & Buffer::errorList(string const & type)
1636 {
1637         return errorLists_[type];
1638 }