src/Buffer.cpp

   1 /**
   2  * \file Buffer.cpp
   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 "BiblioInfo.h"
  17 #include "BranchList.h"
  18 #include "buffer_funcs.h"
  19 #include "BufferList.h"
  20 #include "BufferParams.h"
  21 #include "Counters.h"
  22 #include "Bullet.h"
  23 #include "Chktex.h"
  24 #include "debug.h"
  25 #include "DocIterator.h"
  26 #include "Encoding.h"
  27 #include "ErrorList.h"
  28 #include "Exporter.h"
  29 #include "Format.h"
  30 #include "FuncRequest.h"
  31 #include "gettext.h"
  32 #include "InsetIterator.h"
  33 #include "Language.h"
  34 #include "LaTeX.h"
  35 #include "LaTeXFeatures.h"
  36 #include "LyXAction.h"
  37 #include "Lexer.h"
  38 #include "Text.h"
  39 #include "LyX.h"
  40 #include "LyXRC.h"
  41 #include "LyXVC.h"
  42 #include "Messages.h"
  43 #include "output.h"
  44 #include "output_docbook.h"
  45 #include "output_latex.h"
  46 #include "Paragraph.h"
  47 #include "paragraph_funcs.h"
  48 #include "ParagraphParameters.h"
  49 #include "ParIterator.h"
  50 #include "sgml.h"
  51 #include "TexRow.h"
  52 #include "TextClassList.h"
  53 #include "TexStream.h"
  54 #include "TocBackend.h"
  55 #include "Undo.h"
  56 #include "version.h"
  57 #include "EmbeddedFiles.h"
  58
  59 #include "insets/InsetBibitem.h"
  60 #include "insets/InsetBibtex.h"
  61 #include "insets/InsetInclude.h"
  62 #include "insets/InsetText.h"
  63
  64 #include "mathed/MathMacroTemplate.h"
  65 #include "mathed/MacroTable.h"
  66 #include "mathed/MathSupport.h"
  67
  68 #include "frontends/alert.h"
  69
  70 #include "graphics/Previews.h"
  71
  72 #include "support/types.h"
  73 #include "support/lyxalgo.h"
  74 #include "support/filetools.h"
  75 #include "support/fs_extras.h"
  76 #include "support/gzstream.h"
  77 #include "support/lyxlib.h"
  78 #include "support/os.h"
  79 #include "support/Path.h"
  80 #include "support/textutils.h"
  81 #include "support/convert.h"
  82
  83 #include <boost/bind.hpp>
  84 #include <boost/filesystem/exception.hpp>
  85 #include <boost/filesystem/operations.hpp>
  86
  87 #include <algorithm>
  88 #include <iomanip>
  89 #include <stack>
  90 #include <sstream>
  91 #include <fstream>
  92
  93 using std::endl;
  94 using std::for_each;
  95 using std::make_pair;
  96
  97 using std::ios;
  98 using std::map;
  99 using std::ostream;
 100 using std::ostringstream;
 101 using std::ofstream;
 102 using std::ifstream;
 103 using std::pair;
 104 using std::stack;
 105 using std::vector;
 106 using std::string;
 107 using std::time_t;
 108
 109
 110 namespace lyx {
 111
 112 using support::addName;
 113 using support::bformat;
 114 using support::changeExtension;
 115 using support::cmd_ret;
 116 using support::createBufferTmpDir;
 117 using support::destroyDir;
 118 using support::FileName;
 119 using support::getFormatFromContents;
 120 using support::libFileSearch;
 121 using support::latex_path;
 122 using support::ltrim;
 123 using support::makeAbsPath;
 124 using support::makeDisplayPath;
 125 using support::makeLatexName;
 126 using support::onlyFilename;
 127 using support::onlyPath;
 128 using support::quoteName;
 129 using support::removeAutosaveFile;
 130 using support::rename;
 131 using support::runCommand;
 132 using support::split;
 133 using support::subst;
 134 using support::tempName;
 135 using support::trim;
 136 using support::sum;
 137 using support::suffixIs;
 138
 139 namespace Alert = frontend::Alert;
 140 namespace os = support::os;
 141 namespace fs = boost::filesystem;
 142
 143 namespace {
 144
 145 int const LYX_FORMAT = 284;
 146
 147 } // namespace anon
 148
 149
 150 typedef std::map<string, bool> DepClean;
 151
 152 class Buffer::Impl
 153 {
 154 public:
 155         Impl(Buffer & parent, FileName const & file, bool readonly);
 156
 157         limited_stack<Undo> undostack;
 158         limited_stack<Undo> redostack;
 159         BufferParams params;
 160         LyXVC lyxvc;
 161         string temppath;
 162         TexRow texrow;
 163
 164         /// need to regenerate .tex?
 165         DepClean dep_clean;
 166
 167         /// is save needed?
 168         mutable bool lyx_clean;
 169
 170         /// is autosave needed?
 171         mutable bool bak_clean;
 172
 173         /// is this a unnamed file (New...)?
 174         bool unnamed;
 175
 176         /// buffer is r/o
 177         bool read_only;
 178
 179         /// name of the file the buffer is associated with.
 180         FileName filename;
 181
 182         /** Set to true only when the file is fully loaded.
 183          *  Used to prevent the premature generation of previews
 184          *  and by the citation inset.
 185          */
 186         bool file_fully_loaded;
 187
 188         /// our Text that should be wrapped in an InsetText
 189         InsetText inset;
 190
 191         ///
 192         MacroTable macros;
 193
 194         ///
 195         TocBackend toc_backend;
 196
 197         /// Container for all sort of Buffer dependant errors.
 198         map<string, ErrorList> errorLists;
 199
 200         /// all embedded files of this buffer
 201         EmbeddedFiles embedded_files;
 202
 203         /// timestamp and checksum used to test if the file has been externally
 204         /// modified. (Used to properly enable 'File->Revert to saved', bug 4114).
 205         time_t timestamp_;
 206         unsigned long checksum_;
 207 };
 208
 209
 210 Buffer::Impl::Impl(Buffer & parent, FileName const & file, bool readonly_)
 211         : lyx_clean(true), bak_clean(true), unnamed(false), read_only(readonly_),
 212           filename(file), file_fully_loaded(false), inset(params),
 213           toc_backend(&parent), embedded_files(&parent), timestamp_(0), checksum_(0)
 214 {
 215         inset.setAutoBreakRows(true);
 216         lyxvc.buffer(&parent);
 217         temppath = createBufferTmpDir();
 218         params.filepath = onlyPath(file.absFilename());
 219         // FIXME: And now do something if temppath == string(), because we
 220         // assume from now on that temppath points to a valid temp dir.
 221         // See http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg67406.html
 222 }
 223
 224
 225 Buffer::Buffer(string const & file, bool readonly)
 226         : pimpl_(new Impl(*this, FileName(file), readonly))
 227 {
 228         LYXERR(Debug::INFO) << "Buffer::Buffer()" << endl;
 229 }
 230
 231
 232 Buffer::~Buffer()
 233 {
 234         LYXERR(Debug::INFO) << "Buffer::~Buffer()" << endl;
 235         // here the buffer should take care that it is
 236         // saved properly, before it goes into the void.
 237
 238         Buffer * master = getMasterBuffer();
 239         if (master != this && use_gui)
 240                 // We are closing buf which was a child document so we
 241                 // must update the labels and section numbering of its master
 242                 // Buffer.
 243                 updateLabels(*master);
 244
 245         if (!temppath().empty() && !destroyDir(FileName(temppath()))) {
 246                 Alert::warning(_("Could not remove temporary directory"),
 247                         bformat(_("Could not remove the temporary directory %1$s"),
 248                         from_utf8(temppath())));
 249         }
 250
 251         // Remove any previewed LaTeX snippets associated with this buffer.
 252         graphics::Previews::get().removeLoader(*this);
 253
 254         closing(this);
 255 }
 256
 257
 258 Text & Buffer::text() const
 259 {
 260         return const_cast<Text &>(pimpl_->inset.text_);
 261 }
 262
 263
 264 Inset & Buffer::inset() const
 265 {
 266         return const_cast<InsetText &>(pimpl_->inset);
 267 }
 268
 269
 270 limited_stack<Undo> & Buffer::undostack()
 271 {
 272         return pimpl_->undostack;
 273 }
 274
 275
 276 limited_stack<Undo> const & Buffer::undostack() const
 277 {
 278         return pimpl_->undostack;
 279 }
 280
 281
 282 limited_stack<Undo> & Buffer::redostack()
 283 {
 284         return pimpl_->redostack;
 285 }
 286
 287
 288 limited_stack<Undo> const & Buffer::redostack() const
 289 {
 290         return pimpl_->redostack;
 291 }
 292
 293
 294 BufferParams & Buffer::params()
 295 {
 296         return pimpl_->params;
 297 }
 298
 299
 300 BufferParams const & Buffer::params() const
 301 {
 302         return pimpl_->params;
 303 }
 304
 305
 306 ParagraphList & Buffer::paragraphs()
 307 {
 308         return text().paragraphs();
 309 }
 310
 311
 312 ParagraphList const & Buffer::paragraphs() const
 313 {
 314         return text().paragraphs();
 315 }
 316
 317
 318 LyXVC & Buffer::lyxvc()
 319 {
 320         return pimpl_->lyxvc;
 321 }
 322
 323
 324 LyXVC const & Buffer::lyxvc() const
 325 {
 326         return pimpl_->lyxvc;
 327 }
 328
 329
 330 string const & Buffer::temppath() const
 331 {
 332         return pimpl_->temppath;
 333 }
 334
 335
 336 TexRow & Buffer::texrow()
 337 {
 338         return pimpl_->texrow;
 339 }
 340
 341
 342 TexRow const & Buffer::texrow() const
 343 {
 344         return pimpl_->texrow;
 345 }
 346
 347
 348 TocBackend & Buffer::tocBackend()
 349 {
 350         return pimpl_->toc_backend;
 351 }
 352
 353
 354 TocBackend const & Buffer::tocBackend() const
 355 {
 356         return pimpl_->toc_backend;
 357 }
 358
 359
 360 EmbeddedFiles & Buffer::embeddedFiles()
 361 {
 362         return pimpl_->embedded_files;
 363 }
 364
 365
 366 EmbeddedFiles const & Buffer::embeddedFiles() const
 367 {
 368         return pimpl_->embedded_files;
 369 }
 370
 371
 372 string const Buffer::getLatexName(bool const no_path) const
 373 {
 374         string const name = changeExtension(makeLatexName(fileName()), ".tex");
 375         return no_path ? onlyFilename(name) : name;
 376 }
 377
 378
 379 pair<Buffer::LogType, string> const Buffer::getLogName() const
 380 {
 381         string const filename = getLatexName(false);
 382
 383         if (filename.empty())
 384                 return make_pair(Buffer::latexlog, string());
 385
 386         string const path = temppath();
 387
 388         FileName const fname(addName(temppath(),
 389                                      onlyFilename(changeExtension(filename,
 390                                                                   ".log"))));
 391         FileName const bname(
 392                 addName(path, onlyFilename(
 393                         changeExtension(filename,
 394                                         formats.extension("literate") + ".out"))));
 395
 396         // If no Latex log or Build log is newer, show Build log
 397
 398         if (fs::exists(bname.toFilesystemEncoding()) &&
 399             (!fs::exists(fname.toFilesystemEncoding()) ||
 400              fs::last_write_time(fname.toFilesystemEncoding()) < fs::last_write_time(bname.toFilesystemEncoding()))) {
 401                 LYXERR(Debug::FILES) << "Log name calculated as: " << bname << endl;
 402                 return make_pair(Buffer::buildlog, bname.absFilename());
 403         }
 404         LYXERR(Debug::FILES) << "Log name calculated as: " << fname << endl;
 405         return make_pair(Buffer::latexlog, fname.absFilename());
 406 }
 407
 408
 409 void Buffer::setReadonly(bool const flag)
 410 {
 411         if (pimpl_->read_only != flag) {
 412                 pimpl_->read_only = flag;
 413                 readonly(flag);
 414         }
 415 }
 416
 417
 418 void Buffer::setFileName(string const & newfile)
 419 {
 420         pimpl_->filename = makeAbsPath(newfile);
 421         params().filepath = onlyPath(pimpl_->filename.absFilename());
 422         setReadonly(fs::is_readonly(pimpl_->filename.toFilesystemEncoding()));
 423         updateTitles();
 424 }
 425
 426
 427 // We'll remove this later. (Lgb)
 428 namespace {
 429
 430 void unknownClass(string const & unknown)
 431 {
 432         Alert::warning(_("Unknown document class"),
 433                        bformat(_("Using the default document class, because the "
 434                                               "class %1$s is unknown."), from_utf8(unknown)));
 435 }
 436
 437 } // anon
 438
 439
 440 int Buffer::readHeader(Lexer & lex)
 441 {
 442         int unknown_tokens = 0;
 443         int line = -1;
 444         int begin_header_line = -1;
 445
 446         // Initialize parameters that may be/go lacking in header:
 447         params().branchlist().clear();
 448         params().preamble.erase();
 449         params().options.erase();
 450         params().float_placement.erase();
 451         params().paperwidth.erase();
 452         params().paperheight.erase();
 453         params().leftmargin.erase();
 454         params().rightmargin.erase();
 455         params().topmargin.erase();
 456         params().bottommargin.erase();
 457         params().headheight.erase();
 458         params().headsep.erase();
 459         params().footskip.erase();
 460         params().listings_params.clear();
 461         params().clearLayoutModules();
 462
 463         for (int i = 0; i < 4; ++i) {
 464                 params().user_defined_bullet(i) = ITEMIZE_DEFAULTS[i];
 465                 params().temp_bullet(i) = ITEMIZE_DEFAULTS[i];
 466         }
 467
 468         ErrorList & errorList = pimpl_->errorLists["Parse"];
 469
 470         while (lex.isOK()) {
 471                 lex.next();
 472                 string const token = lex.getString();
 473
 474                 if (token.empty())
 475                         continue;
 476
 477                 if (token == "\\end_header")
 478                         break;
 479
 480                 ++line;
 481                 if (token == "\\begin_header") {
 482                         begin_header_line = line;
 483                         continue;
 484                 }
 485
 486                 LYXERR(Debug::PARSER) << "Handling document header token: `"
 487                                       << token << '\'' << endl;
 488
 489                 string unknown = params().readToken(lex, token);
 490                 if (!unknown.empty()) {
 491                         if (unknown[0] != '\\' && token == "\\textclass") {
 492                                 unknownClass(unknown);
 493                         } else {
 494                                 ++unknown_tokens;
 495                                 docstring const s = bformat(_("Unknown token: "
 496                                                                         "%1$s %2$s\n"),
 497                                                          from_utf8(token),
 498                                                          lex.getDocString());
 499                                 errorList.push_back(ErrorItem(_("Document header error"),
 500                                         s, -1, 0, 0));
 501                         }
 502                 }
 503         }
 504         if (begin_header_line) {
 505                 docstring const s = _("\\begin_header is missing");
 506                 errorList.push_back(ErrorItem(_("Document header error"),
 507                         s, -1, 0, 0));
 508         }
 509
 510         return unknown_tokens;
 511 }
 512
 513
 514 // Uwe C. Schroeder
 515 // changed to be public and have one parameter
 516 // Returns false if "\end_document" is not read (Asger)
 517 bool Buffer::readDocument(Lexer & lex)
 518 {
 519         ErrorList & errorList = pimpl_->errorLists["Parse"];
 520         errorList.clear();
 521
 522         lex.next();
 523         string const token = lex.getString();
 524         if (token != "\\begin_document") {
 525                 docstring const s = _("\\begin_document is missing");
 526                 errorList.push_back(ErrorItem(_("Document header error"),
 527                         s, -1, 0, 0));
 528         }
 529
 530         // we are reading in a brand new document
 531         BOOST_ASSERT(paragraphs().empty());
 532
 533         readHeader(lex);
 534         TextClass const & baseClass = textclasslist[params().getBaseClass()];
 535         if (!baseClass.load(filePath())) {
 536                 string theclass = baseClass.name();
 537                 Alert::error(_("Can't load document class"), bformat(
 538                         _("Using the default document class, because the "
 539                                      "class %1$s could not be loaded."), from_utf8(theclass)));
 540                 params().setBaseClass(defaultTextclass());
 541         }
 542
 543         if (params().outputChanges) {
 544                 bool dvipost    = LaTeXFeatures::isAvailable("dvipost");
 545                 bool xcolorsoul = LaTeXFeatures::isAvailable("soul") &&
 546                                   LaTeXFeatures::isAvailable("xcolor");
 547
 548                 if (!dvipost && !xcolorsoul) {
 549                         Alert::warning(_("Changes not shown in LaTeX output"),
 550                                        _("Changes will not be highlighted in LaTeX output, "
 551                                          "because neither dvipost nor xcolor/soul are installed.\n"
 552                                          "Please install these packages or redefine "
 553                                          "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
 554                 } else if (!xcolorsoul) {
 555                         Alert::warning(_("Changes not shown in LaTeX output"),
 556                                        _("Changes will not be highlighted in LaTeX output "
 557                                          "when using pdflatex, because xcolor and soul are not installed.\n"
 558                                          "Please install both packages or redefine "
 559                                          "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
 560                 }
 561         }
 562
 563         bool const res = text().read(*this, lex, errorList);
 564         for_each(text().paragraphs().begin(),
 565                  text().paragraphs().end(),
 566                  bind(&Paragraph::setInsetOwner, _1, &inset()));
 567
 568         return res;
 569 }
 570
 571
 572 // needed to insert the selection
 573 void Buffer::insertStringAsLines(ParagraphList & pars,
 574         pit_type & pit, pos_type & pos,
 575         Font const & fn, docstring const & str, bool autobreakrows)
 576 {
 577         Font font = fn;
 578
 579         // insert the string, don't insert doublespace
 580         bool space_inserted = true;
 581         for (docstring::const_iterator cit = str.begin();
 582             cit != str.end(); ++cit) {
 583                 Paragraph & par = pars[pit];
 584                 if (*cit == '\n') {
 585                         if (autobreakrows && (!par.empty() || par.allowEmpty())) {
 586                                 breakParagraph(params(), pars, pit, pos,
 587                                                par.layout()->isEnvironment());
 588                                 ++pit;
 589                                 pos = 0;
 590                                 space_inserted = true;
 591                         } else {
 592                                 continue;
 593                         }
 594                         // do not insert consecutive spaces if !free_spacing
 595                 } else if ((*cit == ' ' || *cit == '\t') &&
 596                            space_inserted && !par.isFreeSpacing()) {
 597                         continue;
 598                 } else if (*cit == '\t') {
 599                         if (!par.isFreeSpacing()) {
 600                                 // tabs are like spaces here
 601                                 par.insertChar(pos, ' ', font, params().trackChanges);
 602                                 ++pos;
 603                                 space_inserted = true;
 604                         } else {
 605                                 const pos_type n = 8 - pos % 8;
 606                                 for (pos_type i = 0; i < n; ++i) {
 607                                         par.insertChar(pos, ' ', font, params().trackChanges);
 608                                         ++pos;
 609                                 }
 610                                 space_inserted = true;
 611                         }
 612                 } else if (!isPrintable(*cit)) {
 613                         // Ignore unprintables
 614                         continue;
 615                 } else {
 616                         // just insert the character
 617                         par.insertChar(pos, *cit, font, params().trackChanges);
 618                         ++pos;
 619                         space_inserted = (*cit == ' ');
 620                 }
 621
 622         }
 623 }
 624
 625
 626 bool Buffer::readString(std::string const & s)
 627 {
 628         params().compressed = false;
 629
 630         // remove dummy empty par
 631         paragraphs().clear();
 632         Lexer lex(0, 0);
 633         std::istringstream is(s);
 634         lex.setStream(is);
 635         FileName const name(tempName());
 636         switch (readFile(lex, name, true)) {
 637         case failure:
 638                 return false;
 639         case wrongversion: {
 640                 // We need to call lyx2lyx, so write the input to a file
 641                 std::ofstream os(name.toFilesystemEncoding().c_str());
 642                 os << s;
 643                 os.close();
 644                 return readFile(name);
 645         }
 646         case success:
 647                 break;
 648         }
 649
 650         return true;
 651 }
 652
 653
 654 bool Buffer::readFile(FileName const & filename)
 655 {
 656         FileName fname(filename);
 657         // Check if the file is compressed.
 658         string format = getFormatFromContents(filename);
 659         if (format == "zip") {
 660                 // decompress to a temp directory
 661                 LYXERR(Debug::FILES) << filename << " is in zip format. Unzip to " << temppath() << endl;
 662                 ::unzipToDir(filename.toFilesystemEncoding(), temppath());
 663                 //
 664                 FileName manifest(addName(temppath(), "manifest.txt"));
 665                 FileName lyxfile(addName(temppath(),
 666                         onlyFilename(filename.toFilesystemEncoding())));
 667                 // if both manifest.txt and file.lyx exist, this is am embedded file
 668                 if (fs::exists(manifest.toFilesystemEncoding()) &&
 669                         fs::exists(lyxfile.toFilesystemEncoding())) {
 670                         params().embedded = true;
 671                         fname = lyxfile;
 672                 }
 673         }
 674         // The embedded lyx file can also be compressed, for backward compatibility
 675         format = getFormatFromContents(fname);
 676         if (format == "gzip" || format == "zip" || format == "compress") {
 677                 params().compressed = true;
 678         }
 679
 680         // remove dummy empty par
 681         paragraphs().clear();
 682         Lexer lex(0, 0);
 683         lex.setFile(fname);
 684         if (readFile(lex, fname) != success)
 685                 return false;
 686
 687         return true;
 688 }
 689
 690
 691 bool Buffer::fully_loaded() const
 692 {
 693         return pimpl_->file_fully_loaded;
 694 }
 695
 696
 697 void Buffer::fully_loaded(bool const value)
 698 {
 699         pimpl_->file_fully_loaded = value;
 700 }
 701
 702
 703 Buffer::ReadStatus Buffer::readFile(Lexer & lex, FileName const & filename,
 704                 bool fromstring)
 705 {
 706         BOOST_ASSERT(!filename.empty());
 707
 708         if (!lex.isOK()) {
 709                 Alert::error(_("Document could not be read"),
 710                              bformat(_("%1$s could not be read."), from_utf8(filename.absFilename())));
 711                 return failure;
 712         }
 713
 714         lex.next();
 715         string const token(lex.getString());
 716
 717         if (!lex) {
 718                 Alert::error(_("Document could not be read"),
 719                              bformat(_("%1$s could not be read."), from_utf8(filename.absFilename())));
 720                 return failure;
 721         }
 722
 723         // the first token _must_ be...
 724         if (token != "\\lyxformat") {
 725                 lyxerr << "Token: " << token << endl;
 726
 727                 Alert::error(_("Document format failure"),
 728                              bformat(_("%1$s is not a LyX document."),
 729                                        from_utf8(filename.absFilename())));
 730                 return failure;
 731         }
 732
 733         lex.next();
 734         string tmp_format = lex.getString();
 735         //lyxerr << "LyX Format: `" << tmp_format << '\'' << endl;
 736         // if present remove ".," from string.
 737         string::size_type dot = tmp_format.find_first_of(".,");
 738         //lyxerr << "           dot found at " << dot << endl;
 739         if (dot != string::npos)
 740                         tmp_format.erase(dot, 1);
 741         int const file_format = convert<int>(tmp_format);
 742         //lyxerr << "format: " << file_format << endl;
 743
 744         // save timestamp and checksum of the original disk file, making sure
 745         // to not overwrite them with those of the file created in the tempdir
 746         // when it has to be converted to the current format.
 747         if (!pimpl_->checksum_) {
 748                 // Save the timestamp and checksum of disk file. If filename is an
 749                 // emergency file, save the timestamp and sum of the original lyx file
 750                 // because isExternallyModified will check for this file. (BUG4193)
 751                 string diskfile = filename.toFilesystemEncoding();
 752                 if (suffixIs(diskfile, ".emergency"))
 753                         diskfile = diskfile.substr(0, diskfile.size() - 10);
 754                 saveCheckSum(diskfile);
 755         }
 756
 757         if (file_format != LYX_FORMAT) {
 758
 759                 if (fromstring)
 760                         // lyx2lyx would fail
 761                         return wrongversion;
 762
 763                 FileName const tmpfile(tempName());
 764                 if (tmpfile.empty()) {
 765                         Alert::error(_("Conversion failed"),
 766                                      bformat(_("%1$s is from a different"
 767                                               " version of LyX, but a temporary"
 768                                               " file for converting it could"
 769                                                             " not be created."),
 770                                               from_utf8(filename.absFilename())));
 771                         return failure;
 772                 }
 773                 FileName const lyx2lyx = libFileSearch("lyx2lyx", "lyx2lyx");
 774                 if (lyx2lyx.empty()) {
 775                         Alert::error(_("Conversion script not found"),
 776                                      bformat(_("%1$s is from a different"
 777                                                " version of LyX, but the"
 778                                                " conversion script lyx2lyx"
 779                                                             " could not be found."),
 780                                                from_utf8(filename.absFilename())));
 781                         return failure;
 782                 }
 783                 ostringstream command;
 784                 command << os::python()
 785                         << ' ' << quoteName(lyx2lyx.toFilesystemEncoding())
 786                         << " -t " << convert<string>(LYX_FORMAT)
 787                         << " -o " << quoteName(tmpfile.toFilesystemEncoding())
 788                         << ' ' << quoteName(filename.toFilesystemEncoding());
 789                 string const command_str = command.str();
 790
 791                 LYXERR(Debug::INFO) << "Running '"
 792                                     << command_str << '\''
 793                                     << endl;
 794
 795                 cmd_ret const ret = runCommand(command_str);
 796                 if (ret.first != 0) {
 797                         Alert::error(_("Conversion script failed"),
 798                                      bformat(_("%1$s is from a different version"
 799                                               " of LyX, but the lyx2lyx script"
 800                                                             " failed to convert it."),
 801                                               from_utf8(filename.absFilename())));
 802                         return failure;
 803                 } else {
 804                         bool const ret = readFile(tmpfile);
 805                         // Do stuff with tmpfile name and buffer name here.
 806                         return ret ? success : failure;
 807                 }
 808
 809         }
 810
 811         if (readDocument(lex)) {
 812                 Alert::error(_("Document format failure"),
 813                              bformat(_("%1$s ended unexpectedly, which means"
 814                                                     " that it is probably corrupted."),
 815                                        from_utf8(filename.absFilename())));
 816         }
 817
 818         //lyxerr << "removing " << MacroTable::localMacros().size()
 819         //      << " temporary macro entries" << endl;
 820         //MacroTable::localMacros().clear();
 821
 822         pimpl_->file_fully_loaded = true;
 823         return success;
 824 }
 825
 826
 827 // Should probably be moved to somewhere else: BufferView? LyXView?
 828 bool Buffer::save() const
 829 {
 830         // We don't need autosaves in the immediate future. (Asger)
 831         resetAutosaveTimers();
 832
 833         string const encodedFilename = pimpl_->filename.toFilesystemEncoding();
 834
 835         FileName backupName;
 836         bool madeBackup = false;
 837
 838         // make a backup if the file already exists
 839         if (lyxrc.make_backup && fs::exists(encodedFilename)) {
 840                 backupName = FileName(fileName() + '~');
 841                 if (!lyxrc.backupdir_path.empty())
 842                         backupName = FileName(addName(lyxrc.backupdir_path,
 843                                               subst(os::internal_path(backupName.absFilename()), '/', '!')));
 844
 845                 try {
 846                         fs::copy_file(encodedFilename, backupName.toFilesystemEncoding(), false);
 847                         madeBackup = true;
 848                 } catch (fs::filesystem_error const & fe) {
 849                         Alert::error(_("Backup failure"),
 850                                      bformat(_("Cannot create backup file %1$s.\n"
 851                                                "Please check whether the directory exists and is writeable."),
 852                                              from_utf8(backupName.absFilename())));
 853                         LYXERR(Debug::DEBUG) << "Fs error: " << fe.what() << endl;
 854                 }
 855         }
 856
 857         // ask if the disk file has been externally modified (use checksum method)
 858         if (fs::exists(encodedFilename) && isExternallyModified(checksum_method)) {
 859                 docstring const file = makeDisplayPath(fileName(), 20);
 860                 docstring text = bformat(_("Document %1$s has been externally modified. Are you sure "
 861                                                              "you want to overwrite this file?"), file);
 862                 int const ret = Alert::prompt(_("Overwrite modified file?"),
 863                         text, 1, 1, _("&Overwrite"), _("&Cancel"));
 864                 if (ret == 1)
 865                         return false;
 866         }
 867
 868         if (writeFile(pimpl_->filename)) {
 869                 markClean();
 870                 removeAutosaveFile(fileName());
 871                 saveCheckSum(pimpl_->filename.toFilesystemEncoding());
 872                 return true;
 873         } else {
 874                 // Saving failed, so backup is not backup
 875                 if (madeBackup)
 876                         rename(backupName, pimpl_->filename);
 877                 return false;
 878         }
 879 }
 880
 881
 882 bool Buffer::writeFile(FileName const & fname) const
 883 {
 884         if (pimpl_->read_only && fname == pimpl_->filename)
 885                 return false;
 886
 887         bool retval = false;
 888
 889         FileName content;
 890         if (params().embedded)
 891                 // first write the .lyx file to the temporary directory
 892                 content = FileName(addName(temppath(),
 893                         onlyFilename(fname.toFilesystemEncoding())));
 894         else
 895                 content = fname;
 896
 897         if (params().compressed) {
 898                 gz::ogzstream ofs(content.toFilesystemEncoding().c_str(), ios::out|ios::trunc);
 899                 if (!ofs)
 900                         return false;
 901
 902                 retval = write(ofs);
 903         } else {
 904                 ofstream ofs(content.toFilesystemEncoding().c_str(), ios::out|ios::trunc);
 905                 if (!ofs)
 906                         return false;
 907
 908                 retval = write(ofs);
 909         }
 910
 911         if (retval && params().embedded) {
 912                 // write file.lyx and all the embedded files to the zip file fname
 913                 // if embedding is enabled, and there is any embedded file
 914                 pimpl_->embedded_files.update();
 915                 return pimpl_->embedded_files.write(fname);
 916         }
 917         return retval;
 918 }
 919
 920
 921 bool Buffer::write(ostream & ofs) const
 922 {
 923 #ifdef HAVE_LOCALE
 924         // Use the standard "C" locale for file output.
 925         ofs.imbue(std::locale::classic());
 926 #endif
 927
 928         // The top of the file should not be written by params().
 929
 930         // write out a comment in the top of the file
 931         ofs << "#LyX " << lyx_version
 932             << " created this file. For more info see http://www.lyx.org/\n"
 933             << "\\lyxformat " << LYX_FORMAT << "\n"
 934             << "\\begin_document\n";
 935
 936
 937         /// For each author, set 'used' to true if there is a change
 938         /// by this author in the document; otherwise set it to 'false'.
 939         AuthorList::Authors::const_iterator a_it = params().authors().begin();
 940         AuthorList::Authors::const_iterator a_end = params().authors().end();
 941         for (; a_it != a_end; ++a_it)
 942                 a_it->second.used(false);
 943
 944         ParIterator const end = par_iterator_end();
 945         ParIterator it = par_iterator_begin();
 946         for ( ; it != end; ++it)
 947                 it->checkAuthors(params().authors());
 948
 949         // now write out the buffer parameters.
 950         ofs << "\\begin_header\n";
 951         params().writeFile(ofs);
 952         ofs << "\\end_header\n";
 953
 954         // write the text
 955         ofs << "\n\\begin_body\n";
 956         text().write(*this, ofs);
 957         ofs << "\n\\end_body\n";
 958
 959         // Write marker that shows file is complete
 960         ofs << "\\end_document" << endl;
 961
 962         // Shouldn't really be needed....
 963         //ofs.close();
 964
 965         // how to check if close went ok?
 966         // Following is an attempt... (BE 20001011)
 967
 968         // good() returns false if any error occured, including some
 969         //        formatting error.
 970         // bad()  returns true if something bad happened in the buffer,
 971         //        which should include file system full errors.
 972
 973         bool status = true;
 974         if (!ofs) {
 975                 status = false;
 976                 lyxerr << "File was not closed properly." << endl;
 977         }
 978
 979         return status;
 980 }
 981
 982
 983 bool Buffer::makeLaTeXFile(FileName const & fname,
 984                            string const & original_path,
 985                            OutputParams const & runparams,
 986                            bool output_preamble, bool output_body)
 987 {
 988         string const encoding = runparams.encoding->iconvName();
 989         LYXERR(Debug::LATEX) << "makeLaTeXFile encoding: "
 990                 << encoding << "..." << endl;
 991
 992         odocfstream ofs(encoding);
 993         if (!openFileWrite(ofs, fname))
 994                 return false;
 995
 996         //TexStream ts(ofs.rdbuf(), &texrow());
 997
 998         bool failed_export = false;
 999         try {
1000                 texrow().reset();
1001                 writeLaTeXSource(ofs, original_path,
1002                       runparams, output_preamble, output_body);
1003         }
1004         catch (iconv_codecvt_facet_exception & e) {
1005                 lyxerr << "Caught iconv exception: " << e.what() << endl;
1006                 failed_export = true;
1007         }
1008         catch (std::exception const & e) {
1009                 lyxerr << "Caught \"normal\" exception: " << e.what() << endl;
1010                 failed_export = true;
1011         }
1012         catch (...) {
1013                 lyxerr << "Caught some really weird exception..." << endl;
1014                 LyX::cref().emergencyCleanup();
1015                 abort();
1016         }
1017
1018         ofs.close();
1019         if (ofs.fail()) {
1020                 failed_export = true;
1021                 lyxerr << "File '" << fname << "' was not closed properly." << endl;
1022         }
1023
1024         if (failed_export) {
1025                 Alert::error(_("Encoding error"),
1026                         _("Some characters of your document are probably not "
1027                         "representable in the chosen encoding.\n"
1028                         "Changing the document encoding to utf8 could help."));
1029                 return false;
1030         }
1031         return true;
1032 }
1033
1034
1035 void Buffer::writeLaTeXSource(odocstream & os,
1036                            string const & original_path,
1037                            OutputParams const & runparams_in,
1038                            bool const output_preamble, bool const output_body)
1039 {
1040         OutputParams runparams = runparams_in;
1041
1042         // validate the buffer.
1043         LYXERR(Debug::LATEX) << "  Validating buffer..." << endl;
1044         LaTeXFeatures features(*this, params(), runparams);
1045         validate(features);
1046         LYXERR(Debug::LATEX) << "  Buffer validation done." << endl;
1047
1048         // The starting paragraph of the coming rows is the
1049         // first paragraph of the document. (Asger)
1050         if (output_preamble && runparams.nice) {
1051                 os << "%% LyX " << lyx_version << " created this file.  "
1052                         "For more info, see http://www.lyx.org/.\n"
1053                         "%% Do not edit unless you really know what "
1054                         "you are doing.\n";
1055                 texrow().newline();
1056                 texrow().newline();
1057         }
1058         LYXERR(Debug::INFO) << "lyx document header finished" << endl;
1059         // There are a few differences between nice LaTeX and usual files:
1060         // usual is \batchmode and has a
1061         // special input@path to allow the including of figures
1062         // with either \input or \includegraphics (what figinsets do).
1063         // input@path is set when the actual parameter
1064         // original_path is set. This is done for usual tex-file, but not
1065         // for nice-latex-file. (Matthias 250696)
1066         // Note that input@path is only needed for something the user does
1067         // in the preamble, included .tex files or ERT, files included by
1068         // LyX work without it.
1069         if (output_preamble) {
1070                 if (!runparams.nice) {
1071                         // code for usual, NOT nice-latex-file
1072                         os << "\\batchmode\n"; // changed
1073                         // from \nonstopmode
1074                         texrow().newline();
1075                 }
1076                 if (!original_path.empty()) {
1077                         // FIXME UNICODE
1078                         // We don't know the encoding of inputpath
1079                         docstring const inputpath = from_utf8(latex_path(original_path));
1080                         os << "\\makeatletter\n"
1081                            << "\\def\\input@path{{"
1082                            << inputpath << "/}}\n"
1083                            << "\\makeatother\n";
1084                         texrow().newline();
1085                         texrow().newline();
1086                         texrow().newline();
1087                 }
1088
1089                 // Write the preamble
1090                 runparams.use_babel = params().writeLaTeX(os, features, texrow());
1091
1092                 if (!output_body)
1093                         return;
1094
1095                 // make the body.
1096                 os << "\\begin{document}\n";
1097                 texrow().newline();
1098         } // output_preamble
1099
1100         texrow().start(paragraphs().begin()->id(), 0);
1101
1102         LYXERR(Debug::INFO) << "preamble finished, now the body." << endl;
1103
1104         if (!lyxrc.language_auto_begin &&
1105             !params().language->babel().empty()) {
1106                 // FIXME UNICODE
1107                 os << from_utf8(subst(lyxrc.language_command_begin,
1108                                            "$$lang",
1109                                            params().language->babel()))
1110                    << '\n';
1111                 texrow().newline();
1112         }
1113
1114         Encoding const & encoding = params().encoding();
1115         if (encoding.package() == Encoding::CJK) {
1116                 // Open a CJK environment, since in contrast to the encodings
1117                 // handled by inputenc the document encoding is not set in
1118                 // the preamble if it is handled by CJK.sty.
1119                 os << "\\begin{CJK}{" << from_ascii(encoding.latexName())
1120                    << "}{}\n";
1121                 texrow().newline();
1122         }
1123
1124         // if we are doing a real file with body, even if this is the
1125         // child of some other buffer, let's cut the link here.
1126         // This happens for example if only a child document is printed.
1127         string save_parentname;
1128         if (output_preamble) {
1129                 save_parentname = params().parentname;
1130                 params().parentname.erase();
1131         }
1132
1133         loadChildDocuments(*this);
1134
1135         // the real stuff
1136         latexParagraphs(*this, paragraphs(), os, texrow(), runparams);
1137
1138         // Restore the parenthood if needed
1139         if (output_preamble)
1140                 params().parentname = save_parentname;
1141
1142         // add this just in case after all the paragraphs
1143         os << endl;
1144         texrow().newline();
1145
1146         if (encoding.package() == Encoding::CJK) {
1147                 // Close the open CJK environment.
1148                 // latexParagraphs will have opened one even if the last text
1149                 // was not CJK.
1150                 os << "\\end{CJK}\n";
1151                 texrow().newline();
1152         }
1153
1154         if (!lyxrc.language_auto_end &&
1155             !params().language->babel().empty()) {
1156                 os << from_utf8(subst(lyxrc.language_command_end,
1157                                            "$$lang",
1158                                            params().language->babel()))
1159                    << '\n';
1160                 texrow().newline();
1161         }
1162
1163         if (output_preamble) {
1164                 os << "\\end{document}\n";
1165                 texrow().newline();
1166
1167                 LYXERR(Debug::LATEX) << "makeLaTeXFile...done" << endl;
1168         } else {
1169                 LYXERR(Debug::LATEX) << "LaTeXFile for inclusion made."
1170                                      << endl;
1171         }
1172         runparams_in.encoding = runparams.encoding;
1173
1174         // Just to be sure. (Asger)
1175         texrow().newline();
1176
1177         LYXERR(Debug::INFO) << "Finished making LaTeX file." << endl;
1178         LYXERR(Debug::INFO) << "Row count was " << texrow().rows() - 1
1179                             << '.' << endl;
1180 }
1181
1182
1183 bool Buffer::isLatex() const
1184 {
1185         return params().getTextClass().outputType() == LATEX;
1186 }
1187
1188
1189 bool Buffer::isLiterate() const
1190 {
1191         return params().getTextClass().outputType() == LITERATE;
1192 }
1193
1194
1195 bool Buffer::isDocBook() const
1196 {
1197         return params().getTextClass().outputType() == DOCBOOK;
1198 }
1199
1200
1201 void Buffer::makeDocBookFile(FileName const & fname,
1202                               OutputParams const & runparams,
1203                               bool const body_only)
1204 {
1205         LYXERR(Debug::LATEX) << "makeDocBookFile..." << endl;
1206
1207         //ofstream ofs;
1208         odocfstream ofs;
1209         if (!openFileWrite(ofs, fname))
1210                 return;
1211
1212         writeDocBookSource(ofs, fname.absFilename(), runparams, body_only);
1213
1214         ofs.close();
1215         if (ofs.fail())
1216                 lyxerr << "File '" << fname << "' was not closed properly." << endl;
1217 }
1218
1219
1220 void Buffer::writeDocBookSource(odocstream & os, string const & fname,
1221                              OutputParams const & runparams,
1222                              bool const only_body)
1223 {
1224         LaTeXFeatures features(*this, params(), runparams);
1225         validate(features);
1226
1227         texrow().reset();
1228
1229         TextClass const & tclass = params().getTextClass();
1230         string const top_element = tclass.latexname();
1231
1232         if (!only_body) {
1233                 if (runparams.flavor == OutputParams::XML)
1234                         os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
1235
1236                 // FIXME UNICODE
1237                 os << "<!DOCTYPE " << from_ascii(top_element) << ' ';
1238
1239                 // FIXME UNICODE
1240                 if (! tclass.class_header().empty())
1241                         os << from_ascii(tclass.class_header());
1242                 else if (runparams.flavor == OutputParams::XML)
1243                         os << "PUBLIC \"-//OASIS//DTD DocBook XML//EN\" "
1244                             << "\"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd\"";
1245                 else
1246                         os << " PUBLIC \"-//OASIS//DTD DocBook V4.2//EN\"";
1247
1248                 docstring preamble = from_utf8(params().preamble);
1249                 if (runparams.flavor != OutputParams::XML ) {
1250                         preamble += "<!ENTITY % output.print.png \"IGNORE\">\n";
1251                         preamble += "<!ENTITY % output.print.pdf \"IGNORE\">\n";
1252                         preamble += "<!ENTITY % output.print.eps \"IGNORE\">\n";
1253                         preamble += "<!ENTITY % output.print.bmp \"IGNORE\">\n";
1254                 }
1255
1256                 string const name = runparams.nice ? changeExtension(fileName(), ".sgml")
1257                          : fname;
1258                 preamble += features.getIncludedFiles(name);
1259                 preamble += features.getLyXSGMLEntities();
1260
1261                 if (!preamble.empty()) {
1262                         os << "\n [ " << preamble << " ]";
1263                 }
1264                 os << ">\n\n";
1265         }
1266
1267         string top = top_element;
1268         top += " lang=\"";
1269         if (runparams.flavor == OutputParams::XML)
1270                 top += params().language->code();
1271         else
1272                 top += params().language->code().substr(0,2);
1273         top += '"';
1274
1275         if (!params().options.empty()) {
1276                 top += ' ';
1277                 top += params().options;
1278         }
1279
1280         os << "<!-- " << ((runparams.flavor == OutputParams::XML)? "XML" : "SGML")
1281             << " file was created by LyX " << lyx_version
1282             << "\n  See http://www.lyx.org/ for more information -->\n";
1283
1284         params().getTextClass().counters().reset();
1285
1286         loadChildDocuments(*this);
1287
1288         sgml::openTag(os, top);
1289         os << '\n';
1290         docbookParagraphs(paragraphs(), *this, os, runparams);
1291         sgml::closeTag(os, top_element);
1292 }
1293
1294
1295 // chktex should be run with these flags disabled: 3, 22, 25, 30, 38(?)
1296 // Other flags: -wall -v0 -x
1297 int Buffer::runChktex()
1298 {
1299         busy(true);
1300
1301         // get LaTeX-Filename
1302         FileName const path(temppath());
1303         string const name = addName(path.absFilename(), getLatexName());
1304         string const org_path = filePath();
1305
1306         support::Path p(path); // path to LaTeX file
1307         message(_("Running chktex..."));
1308
1309         // Generate the LaTeX file if neccessary
1310         OutputParams runparams(&params().encoding());
1311         runparams.flavor = OutputParams::LATEX;
1312         runparams.nice = false;
1313         makeLaTeXFile(FileName(name), org_path, runparams);
1314
1315         TeXErrors terr;
1316         Chktex chktex(lyxrc.chktex_command, onlyFilename(name), filePath());
1317         int const res = chktex.run(terr); // run chktex
1318
1319         if (res == -1) {
1320                 Alert::error(_("chktex failure"),
1321                              _("Could not run chktex successfully."));
1322         } else if (res > 0) {
1323                 ErrorList & errorList = pimpl_->errorLists["ChkTeX"];
1324                 // Clear out old errors
1325                 errorList.clear();
1326                 // Fill-in the error list with the TeX errors
1327                 bufferErrors(*this, terr, errorList);
1328         }
1329
1330         busy(false);
1331
1332         errors("ChkTeX");
1333
1334         return res;
1335 }
1336
1337
1338 void Buffer::validate(LaTeXFeatures & features) const
1339 {
1340         TextClass const & tclass = params().getTextClass();
1341
1342         if (params().outputChanges) {
1343                 bool dvipost    = LaTeXFeatures::isAvailable("dvipost");
1344                 bool xcolorsoul = LaTeXFeatures::isAvailable("soul") &&
1345                                   LaTeXFeatures::isAvailable("xcolor");
1346
1347                 if (features.runparams().flavor == OutputParams::LATEX) {
1348                         if (dvipost) {
1349                                 features.require("ct-dvipost");
1350                                 features.require("dvipost");
1351                         } else if (xcolorsoul) {
1352                                 features.require("ct-xcolor-soul");
1353                                 features.require("soul");
1354                                 features.require("xcolor");
1355                         } else {
1356                                 features.require("ct-none");
1357                         }
1358                 } else if (features.runparams().flavor == OutputParams::PDFLATEX ) {
1359                         if (xcolorsoul) {
1360                                 features.require("ct-xcolor-soul");
1361                                 features.require("soul");
1362                                 features.require("xcolor");
1363                                 features.require("pdfcolmk"); // improves color handling in PDF output
1364                         } else {
1365                                 features.require("ct-none");
1366                         }
1367                 }
1368         }
1369
1370         // AMS Style is at document level
1371         if (params().use_amsmath == BufferParams::package_on
1372             || tclass.provides("amsmath"))
1373                 features.require("amsmath");
1374         if (params().use_esint == BufferParams::package_on)
1375                 features.require("esint");
1376
1377         loadChildDocuments(*this);
1378
1379         for_each(paragraphs().begin(), paragraphs().end(),
1380                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1381
1382         // the bullet shapes are buffer level not paragraph level
1383         // so they are tested here
1384         for (int i = 0; i < 4; ++i) {
1385                 if (params().user_defined_bullet(i) != ITEMIZE_DEFAULTS[i]) {
1386                         int const font = params().user_defined_bullet(i).getFont();
1387                         if (font == 0) {
1388                                 int const c = params()
1389                                         .user_defined_bullet(i)
1390                                         .getCharacter();
1391                                 if (c == 16
1392                                    || c == 17
1393                                    || c == 25
1394                                    || c == 26
1395                                    || c == 31) {
1396                                         features.require("latexsym");
1397                                 }
1398                         } else if (font == 1) {
1399                                 features.require("amssymb");
1400                         } else if ((font >= 2 && font <= 5)) {
1401                                 features.require("pifont");
1402                         }
1403                 }
1404         }
1405
1406         if (lyxerr.debugging(Debug::LATEX)) {
1407                 features.showStruct();
1408         }
1409 }
1410
1411
1412 void Buffer::getLabelList(vector<docstring> & list) const
1413 {
1414         /// if this is a child document and the parent is already loaded
1415         /// Use the parent's list instead  [ale990407]
1416         Buffer const * tmp = getMasterBuffer();
1417         if (!tmp) {
1418                 lyxerr << "getMasterBuffer() failed!" << endl;
1419                 BOOST_ASSERT(tmp);
1420         }
1421         if (tmp != this) {
1422                 tmp->getLabelList(list);
1423                 return;
1424         }
1425
1426         loadChildDocuments(*this);
1427
1428         for (InsetIterator it = inset_iterator_begin(inset()); it; ++it)
1429                 it.nextInset()->getLabelList(*this, list);
1430 }
1431
1432
1433 void Buffer::updateBibfilesCache()
1434 {
1435         // if this is a child document and the parent is already loaded
1436         // update the parent's cache instead
1437         Buffer * tmp = getMasterBuffer();
1438         BOOST_ASSERT(tmp);
1439         if (tmp != this) {
1440                 tmp->updateBibfilesCache();
1441                 return;
1442         }
1443
1444         bibfilesCache_.clear();
1445         for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
1446                 if (it->lyxCode() == Inset::BIBTEX_CODE) {
1447                         InsetBibtex const & inset =
1448                                 static_cast<InsetBibtex const &>(*it);
1449                         vector<FileName> const bibfiles = inset.getFiles(*this);
1450                         bibfilesCache_.insert(bibfilesCache_.end(),
1451                                 bibfiles.begin(),
1452                                 bibfiles.end());
1453                 } else if (it->lyxCode() == Inset::INCLUDE_CODE) {
1454                         InsetInclude & inset =
1455                                 static_cast<InsetInclude &>(*it);
1456                         inset.updateBibfilesCache(*this);
1457                         vector<FileName> const & bibfiles =
1458                                         inset.getBibfilesCache(*this);
1459                         bibfilesCache_.insert(bibfilesCache_.end(),
1460                                 bibfiles.begin(),
1461                                 bibfiles.end());
1462                 }
1463         }
1464 }
1465
1466
1467 vector<FileName> const & Buffer::getBibfilesCache() const
1468 {
1469         // if this is a child document and the parent is already loaded
1470         // use the parent's cache instead
1471         Buffer const * tmp = getMasterBuffer();
1472         BOOST_ASSERT(tmp);
1473         if (tmp != this)
1474                 return tmp->getBibfilesCache();
1475
1476         // We update the cache when first used instead of at loading time.
1477         if (bibfilesCache_.empty())
1478                 const_cast<Buffer *>(this)->updateBibfilesCache();
1479
1480         return bibfilesCache_;
1481 }
1482
1483
1484 bool Buffer::isDepClean(string const & name) const
1485 {
1486         DepClean::const_iterator const it = pimpl_->dep_clean.find(name);
1487         if (it == pimpl_->dep_clean.end())
1488                 return true;
1489         return it->second;
1490 }
1491
1492
1493 void Buffer::markDepClean(string const & name)
1494 {
1495         pimpl_->dep_clean[name] = true;
1496 }
1497
1498
1499 bool Buffer::dispatch(string const & command, bool * result)
1500 {
1501         return dispatch(lyxaction.lookupFunc(command), result);
1502 }
1503
1504
1505 bool Buffer::dispatch(FuncRequest const & func, bool * result)
1506 {
1507         bool dispatched = true;
1508
1509         switch (func.action) {
1510                 case LFUN_BUFFER_EXPORT: {
1511                         bool const tmp = Exporter::Export(this, to_utf8(func.argument()), false);
1512                         if (result)
1513                                 *result = tmp;
1514                         break;
1515                 }
1516
1517                 default:
1518                         dispatched = false;
1519         }
1520         return dispatched;
1521 }
1522
1523
1524 void Buffer::changeLanguage(Language const * from, Language const * to)
1525 {
1526         BOOST_ASSERT(from);
1527         BOOST_ASSERT(to);
1528
1529         for_each(par_iterator_begin(),
1530                  par_iterator_end(),
1531                  bind(&Paragraph::changeLanguage, _1, params(), from, to));
1532 }
1533
1534
1535 bool Buffer::isMultiLingual() const
1536 {
1537         ParConstIterator end = par_iterator_end();
1538         for (ParConstIterator it = par_iterator_begin(); it != end; ++it)
1539                 if (it->isMultiLingual(params()))
1540                         return true;
1541
1542         return false;
1543 }
1544
1545
1546 ParIterator Buffer::getParFromID(int const id) const
1547 {
1548         ParConstIterator it = par_iterator_begin();
1549         ParConstIterator const end = par_iterator_end();
1550
1551         if (id < 0) {
1552                 // John says this is called with id == -1 from undo
1553                 lyxerr << "getParFromID(), id: " << id << endl;
1554                 return end;
1555         }
1556
1557         for (; it != end; ++it)
1558                 if (it->id() == id)
1559                         return it;
1560
1561         return end;
1562 }
1563
1564
1565 bool Buffer::hasParWithID(int const id) const
1566 {
1567         ParConstIterator const it = getParFromID(id);
1568         return it != par_iterator_end();
1569 }
1570
1571
1572 ParIterator Buffer::par_iterator_begin()
1573 {
1574         return lyx::par_iterator_begin(inset());
1575 }
1576
1577
1578 ParIterator Buffer::par_iterator_end()
1579 {
1580         return lyx::par_iterator_end(inset());
1581 }
1582
1583
1584 ParConstIterator Buffer::par_iterator_begin() const
1585 {
1586         return lyx::par_const_iterator_begin(inset());
1587 }
1588
1589
1590 ParConstIterator Buffer::par_iterator_end() const
1591 {
1592         return lyx::par_const_iterator_end(inset());
1593 }
1594
1595
1596 Language const * Buffer::getLanguage() const
1597 {
1598         return params().language;
1599 }
1600
1601
1602 docstring const Buffer::B_(string const & l10n) const
1603 {
1604         return params().B_(l10n);
1605 }
1606
1607
1608 bool Buffer::isClean() const
1609 {
1610         return pimpl_->lyx_clean;
1611 }
1612
1613
1614 bool Buffer::isBakClean() const
1615 {
1616         return pimpl_->bak_clean;
1617 }
1618
1619
1620 bool Buffer::isExternallyModified(CheckMethod method) const
1621 {
1622         BOOST_ASSERT(fs::exists(pimpl_->filename.toFilesystemEncoding()));
1623         // if method == timestamp, check timestamp before checksum
1624         return (method == checksum_method
1625                 || pimpl_->timestamp_ != fs::last_write_time(pimpl_->filename.toFilesystemEncoding()))
1626                 && pimpl_->checksum_ != sum(pimpl_->filename);
1627 }
1628
1629
1630 void Buffer::saveCheckSum(string const & file) const
1631 {
1632         if (fs::exists(file)) {
1633                 pimpl_->timestamp_ = fs::last_write_time(file);
1634                 pimpl_->checksum_ = sum(FileName(file));
1635         } else {
1636                 // in the case of save to a new file.
1637                 pimpl_->timestamp_ = 0;
1638                 pimpl_->checksum_ = 0;
1639         }
1640 }
1641
1642
1643 void Buffer::markClean() const
1644 {
1645         if (!pimpl_->lyx_clean) {
1646                 pimpl_->lyx_clean = true;
1647                 updateTitles();
1648         }
1649         // if the .lyx file has been saved, we don't need an
1650         // autosave
1651         pimpl_->bak_clean = true;
1652 }
1653
1654
1655 void Buffer::markBakClean()
1656 {
1657         pimpl_->bak_clean = true;
1658 }
1659
1660
1661 void Buffer::setUnnamed(bool flag)
1662 {
1663         pimpl_->unnamed = flag;
1664 }
1665
1666
1667 bool Buffer::isUnnamed() const
1668 {
1669         return pimpl_->unnamed;
1670 }
1671
1672
1673 // FIXME: this function should be moved to buffer_pimpl.C
1674 void Buffer::markDirty()
1675 {
1676         if (pimpl_->lyx_clean) {
1677                 pimpl_->lyx_clean = false;
1678                 updateTitles();
1679         }
1680         pimpl_->bak_clean = false;
1681
1682         DepClean::iterator it = pimpl_->dep_clean.begin();
1683         DepClean::const_iterator const end = pimpl_->dep_clean.end();
1684
1685         for (; it != end; ++it)
1686                 it->second = false;
1687 }
1688
1689
1690 string const Buffer::fileName() const
1691 {
1692         return pimpl_->filename.absFilename();
1693 }
1694
1695
1696 string const & Buffer::filePath() const
1697 {
1698         return params().filepath;
1699 }
1700
1701
1702 bool Buffer::isReadonly() const
1703 {
1704         return pimpl_->read_only;
1705 }
1706
1707
1708 void Buffer::setParentName(string const & name)
1709 {
1710         if (name == pimpl_->filename.absFilename())
1711                 // Avoids recursive include.
1712                 params().parentname.clear();
1713         else
1714                 params().parentname = name;
1715 }
1716
1717
1718 Buffer const * Buffer::getMasterBuffer() const
1719 {
1720         if (!params().parentname.empty()
1721             && theBufferList().exists(params().parentname)) {
1722                 Buffer const * buf = theBufferList().getBuffer(params().parentname);
1723                 //We need to check if the parent is us...
1724                 //FIXME RECURSIVE INCLUDE
1725                 //This is not sufficient, since recursive includes could be downstream.
1726                 if (buf && buf != this)
1727                         return buf->getMasterBuffer();
1728         }
1729
1730         return this;
1731 }
1732
1733
1734 Buffer * Buffer::getMasterBuffer()
1735 {
1736         if (!params().parentname.empty()
1737             && theBufferList().exists(params().parentname)) {
1738                 Buffer * buf = theBufferList().getBuffer(params().parentname);
1739                 if (buf)
1740                         return buf->getMasterBuffer();
1741         }
1742
1743         return this;
1744 }
1745
1746
1747 MacroData const & Buffer::getMacro(docstring const & name) const
1748 {
1749         return pimpl_->macros.get(name);
1750 }
1751
1752
1753 bool Buffer::hasMacro(docstring const & name) const
1754 {
1755         return pimpl_->macros.has(name);
1756 }
1757
1758
1759 void Buffer::insertMacro(docstring const & name, MacroData const & data)
1760 {
1761         MacroTable::globalMacros().insert(name, data);
1762         pimpl_->macros.insert(name, data);
1763 }
1764
1765
1766 void Buffer::buildMacros()
1767 {
1768         // Start with global table.
1769         pimpl_->macros = MacroTable::globalMacros();
1770
1771         // Now add our own.
1772         ParagraphList const & pars = text().paragraphs();
1773         for (size_t i = 0, n = pars.size(); i != n; ++i) {
1774                 //lyxerr << "searching main par " << i
1775                 //      << " for macro definitions" << std::endl;
1776                 InsetList const & insets = pars[i].insetlist;
1777                 InsetList::const_iterator it = insets.begin();
1778                 InsetList::const_iterator end = insets.end();
1779                 for ( ; it != end; ++it) {
1780                         //lyxerr << "found inset code " << it->inset->lyxCode() << std::endl;
1781                         if (it->inset->lyxCode() == Inset::MATHMACRO_CODE) {
1782                                 MathMacroTemplate const & mac
1783                                         = static_cast<MathMacroTemplate const &>(*it->inset);
1784                                 insertMacro(mac.name(), mac.asMacroData());
1785                         }
1786                 }
1787         }
1788 }
1789
1790
1791 void Buffer::changeRefsIfUnique(docstring const & from, docstring const & to,
1792         Inset::Code code)
1793 {
1794         //FIXME: This does not work for child documents yet.
1795         BOOST_ASSERT(code == Inset::CITE_CODE || code == Inset::REF_CODE);
1796         // Check if the label 'from' appears more than once
1797         vector<docstring> labels;
1798
1799         if (code == Inset::CITE_CODE) {
1800                 BiblioInfo keys;
1801                 keys.fillWithBibKeys(this);
1802                 BiblioInfo::const_iterator bit  = keys.begin();
1803                 BiblioInfo::const_iterator bend = keys.end();
1804
1805                 for (; bit != bend; ++bit)
1806                         // FIXME UNICODE
1807                         labels.push_back(bit->first);
1808         } else
1809                 getLabelList(labels);
1810
1811         if (std::count(labels.begin(), labels.end(), from) > 1)
1812                 return;
1813
1814         for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
1815                 if (it->lyxCode() == code) {
1816                         InsetCommand & inset = static_cast<InsetCommand &>(*it);
1817                         inset.replaceContents(to_utf8(from), to_utf8(to));
1818                 }
1819         }
1820 }
1821
1822
1823 void Buffer::getSourceCode(odocstream & os, pit_type par_begin,
1824         pit_type par_end, bool full_source)
1825 {
1826         OutputParams runparams(&params().encoding());
1827         runparams.nice = true;
1828         runparams.flavor = OutputParams::LATEX;
1829         runparams.linelen = lyxrc.plaintext_linelen;
1830         // No side effect of file copying and image conversion
1831         runparams.dryrun = true;
1832
1833         texrow().reset();
1834         if (full_source) {
1835                 os << "% " << _("Preview source code") << "\n\n";
1836                 texrow().newline();
1837                 texrow().newline();
1838                 if (isLatex())
1839                         writeLaTeXSource(os, filePath(), runparams, true, true);
1840                 else {
1841                         writeDocBookSource(os, fileName(), runparams, false);
1842                 }
1843         } else {
1844                 runparams.par_begin = par_begin;
1845                 runparams.par_end = par_end;
1846                 if (par_begin + 1 == par_end)
1847                         os << "% "
1848                            << bformat(_("Preview source code for paragraph %1$d"), par_begin)
1849                            << "\n\n";
1850                 else
1851                         os << "% "
1852                            << bformat(_("Preview source code from paragraph %1$s to %2$s"),
1853                                         convert<docstring>(par_begin),
1854                                         convert<docstring>(par_end - 1))
1855                            << "\n\n";
1856                 texrow().newline();
1857                 texrow().newline();
1858                 // output paragraphs
1859                 if (isLatex()) {
1860                         latexParagraphs(*this, paragraphs(), os, texrow(), runparams);
1861                 } else {
1862                         // DocBook
1863                         docbookParagraphs(paragraphs(), *this, os, runparams);
1864                 }
1865         }
1866 }
1867
1868
1869 ErrorList const & Buffer::errorList(string const & type) const
1870 {
1871         static ErrorList const emptyErrorList;
1872         std::map<string, ErrorList>::const_iterator I = pimpl_->errorLists.find(type);
1873         if (I == pimpl_->errorLists.end())
1874                 return emptyErrorList;
1875
1876         return I->second;
1877 }
1878
1879
1880 ErrorList & Buffer::errorList(string const & type)
1881 {
1882         return pimpl_->errorLists[type];
1883 }
1884
1885
1886 } // namespace lyx