src/buffer.C

   1 /**
   2  * \file buffer.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13 #include "buffer.h"
  14 #include "bufferlist.h"
  15 #include "LyXAction.h"
  16 #include "lyxrc.h"
  17 #include "lyxlex.h"
  18 #include "tex-strings.h"
  19 #include "layout.h"
  20 #include "bufferview_funcs.h"
  21 #include "lyxfont.h"
  22 #include "version.h"
  23 #include "LaTeX.h"
  24 #include "Chktex.h"
  25 #include "debug.h"
  26 #include "LaTeXFeatures.h"
  27 #include "lyxtext.h"
  28 #include "gettext.h"
  29 #include "language.h"
  30 #include "exporter.h"
  31 #include "Lsstream.h"
  32 #include "format.h"
  33 #include "BufferView.h"
  34 #include "ParagraphParameters.h"
  35 #include "iterators.h"
  36 #include "lyxtextclasslist.h"
  37 #include "sgml.h"
  38 #include "paragraph_funcs.h"
  39 #include "author.h"
  40
  41 #include "frontends/LyXView.h"
  42
  43 #include "mathed/formulamacro.h"
  44 #include "mathed/formula.h"
  45
  46 #include "insets/inseterror.h"
  47 #include "insets/insetbibitem.h"
  48 #include "insets/insetbibtex.h"
  49 #include "insets/insetinclude.h"
  50 #include "insets/insettext.h"
  51
  52 #include "frontends/Dialogs.h"
  53 #include "frontends/Alert.h"
  54
  55 #include "graphics/Previews.h"
  56
  57 #include "support/textutils.h"
  58 #include "support/filetools.h"
  59 #include "support/path.h"
  60 #include "support/os.h"
  61 #include "support/lyxlib.h"
  62 #include "support/FileInfo.h"
  63 #include "support/lyxmanip.h"
  64 #include "support/lyxtime.h"
  65
  66 #include <boost/bind.hpp>
  67 #include <boost/tuple/tuple.hpp>
  68 #include "support/BoostFormat.h"
  69
  70 #include <fstream>
  71 #include <iomanip>
  72 #include <map>
  73 #include <stack>
  74 #include <list>
  75 #include <algorithm>
  76
  77 #include <cstdlib>
  78 #include <cmath>
  79 #include <unistd.h>
  80 #include <sys/types.h>
  81 #include <utime.h>
  82
  83 #ifdef HAVE_LOCALE
  84 #include <locale>
  85 #endif
  86
  87 #ifndef CXX_GLOBAL_CSTD
  88 using std::pow;
  89 #endif
  90
  91 using std::ostream;
  92 using std::ofstream;
  93 using std::ifstream;
  94 using std::fstream;
  95 using std::ios;
  96 using std::setw;
  97 using std::endl;
  98 using std::pair;
  99 using std::make_pair;
 100 using std::vector;
 101 using std::map;
 102 using std::stack;
 103 using std::list;
 104 using std::for_each;
 105
 106 using lyx::pos_type;
 107 using lyx::textclass_type;
 108
 109 // all these externs should eventually be removed.
 110 extern BufferList bufferlist;
 111
 112 namespace {
 113
 114 const int LYX_FORMAT = 223;
 115
 116 } // namespace anon
 117
 118 Buffer::Buffer(string const & file, bool ronly)
 119         : niceFile(true), lyx_clean(true), bak_clean(true),
 120           unnamed(false), read_only(ronly),
 121           filename_(file), users(0)
 122 {
 123         lyxerr[Debug::INFO] << "Buffer::Buffer()" << endl;
 124         filepath_ = OnlyPath(file);
 125         lyxvc.buffer(this);
 126         if (read_only || lyxrc.use_tempdir) {
 127                 tmppath = CreateBufferTmpDir();
 128         } else {
 129                 tmppath.erase();
 130         }
 131
 132         // set initial author
 133         authors().record(Author(lyxrc.user_name, lyxrc.user_email));
 134 }
 135
 136
 137 Buffer::~Buffer()
 138 {
 139         lyxerr[Debug::INFO] << "Buffer::~Buffer()" << endl;
 140         // here the buffer should take care that it is
 141         // saved properly, before it goes into the void.
 142
 143         // make sure that views using this buffer
 144         // forgets it.
 145         if (users)
 146                 users->buffer(0);
 147
 148         if (!tmppath.empty() && destroyDir(tmppath) != 0) {
 149 #if USE_BOOST_FORMAT
 150                 boost::format fmt = _("Could not remove the temporary directory %1$s");
 151                 fmt % tmppath;
 152                 string msg = fmt.str();
 153 #else
 154                 string msg = _("Could not remove the temporary directory ") + tmppath;
 155 #endif
 156                 Alert::warning(_("Could not remove temporary directory"), msg);
 157         }
 158
 159         paragraphs.clear();
 160
 161         // Remove any previewed LaTeX snippets assocoated with this buffer.
 162         grfx::Previews::get().removeLoader(this);
 163 }
 164
 165
 166 string const Buffer::getLatexName(bool no_path) const
 167 {
 168         string const name = ChangeExtension(MakeLatexName(fileName()), ".tex");
 169         if (no_path)
 170                 return OnlyFilename(name);
 171         else
 172                 return name;
 173 }
 174
 175
 176 pair<Buffer::LogType, string> const Buffer::getLogName() const
 177 {
 178         string const filename = getLatexName(false);
 179
 180         if (filename.empty())
 181                 return make_pair(Buffer::latexlog, string());
 182
 183         string path = OnlyPath(filename);
 184
 185         if (lyxrc.use_tempdir || !IsDirWriteable(path))
 186                 path = tmppath;
 187
 188         string const fname = AddName(path,
 189                                      OnlyFilename(ChangeExtension(filename,
 190                                                                   ".log")));
 191         string const bname =
 192                 AddName(path, OnlyFilename(
 193                         ChangeExtension(filename,
 194                                         formats.extension("literate") + ".out")));
 195
 196         // If no Latex log or Build log is newer, show Build log
 197
 198         FileInfo const f_fi(fname);
 199         FileInfo const b_fi(bname);
 200
 201         if (b_fi.exist() &&
 202             (!f_fi.exist() || f_fi.getModificationTime() < b_fi.getModificationTime())) {
 203                 lyxerr[Debug::FILES] << "Log name calculated as: " << bname << endl;
 204                 return make_pair(Buffer::buildlog, bname);
 205         }
 206         lyxerr[Debug::FILES] << "Log name calculated as: " << fname << endl;
 207         return make_pair(Buffer::latexlog, fname);
 208 }
 209
 210
 211 void Buffer::setReadonly(bool flag)
 212 {
 213         if (read_only != flag) {
 214                 read_only = flag;
 215                 updateTitles();
 216                 users->owner()->getDialogs().updateBufferDependent(false);
 217         }
 218 }
 219
 220
 221 AuthorList & Buffer::authors()
 222 {
 223         return params.authorlist;
 224 }
 225
 226
 227 /// Update window titles of all users
 228 // Should work on a list
 229 void Buffer::updateTitles() const
 230 {
 231         if (users)
 232                 users->owner()->updateWindowTitle();
 233 }
 234
 235
 236 /// Reset autosave timer of all users
 237 // Should work on a list
 238 void Buffer::resetAutosaveTimers() const
 239 {
 240         if (users)
 241                 users->owner()->resetAutosaveTimer();
 242 }
 243
 244
 245 void Buffer::setFileName(string const & newfile)
 246 {
 247         filename_ = MakeAbsPath(newfile);
 248         filepath_ = OnlyPath(filename_);
 249         setReadonly(IsFileWriteable(filename_) == 0);
 250         updateTitles();
 251 }
 252
 253
 254 // We'll remove this later. (Lgb)
 255 namespace {
 256
 257 void unknownClass(string const & unknown)
 258 {
 259         string msg =
 260 #if USE_BOOST_FORMAT
 261                 boost::io::str(boost::format(
 262                         _("Using the default document class, because the "
 263                         " class %1$s is unknown.")) % unknown);
 264 #else
 265                 _("Using the default document class, because the "
 266                 " class ") + unknown + (" is unknown.");
 267 #endif
 268         Alert::warning(_("Unknown document class"), msg);
 269 }
 270
 271 } // anon
 272
 273 int Buffer::readHeader(LyXLex & lex)
 274 {
 275         int unknown_tokens = 0;
 276
 277         while (lex.isOK()) {
 278                 lex.nextToken();
 279                 string const token = lex.getString();
 280
 281                 if (token.empty())
 282                         continue;
 283
 284                 if (token == "\\end_header")
 285                         break;
 286
 287                 lyxerr[Debug::PARSER] << "Handling header token: `"
 288                                       << token << '\'' << endl;
 289
 290                 string unknown = params.readToken(lex, token);
 291                 if (!unknown.empty()) {
 292                         if (unknown[0] != '\\') {
 293                                 unknownClass(unknown);
 294                         } else {
 295                                 ++unknown_tokens;
 296                         }
 297                 }
 298         }
 299         return unknown_tokens;
 300 }
 301
 302
 303 // candidate for move to BufferView
 304 // (at least some parts in the beginning of the func)
 305 //
 306 // Uwe C. Schroeder
 307 // changed to be public and have one parameter
 308 // if par = 0 normal behavior
 309 // else insert behavior
 310 // Returns false if "\the_end" is not read (Asger)
 311 bool Buffer::readBody(LyXLex & lex, ParagraphList::iterator pit)
 312 {
 313         int unknown_tokens = 0;
 314
 315         Paragraph::depth_type depth = 0;
 316         bool the_end_read = false;
 317
 318         if (paragraphs.empty()) {
 319                 unknown_tokens += readHeader(lex);
 320
 321                 if (!params.getLyXTextClass().load()) {
 322                         string theclass = params.getLyXTextClass().name();
 323                         string msg =
 324 #if USE_BOOST_FORMAT
 325                                 boost::io::str(boost::format(
 326                                         _("Using the default document class, because the "
 327                                         " class %1$s could not be loaded.")) % theclass);
 328 #else
 329                                 _("Using the default document class, because the "
 330                                 " class ") + theclass + (" could not be loaded.");
 331 #endif
 332                         Alert::error(_("Can't load document class"), msg);
 333                         params.textclass = 0;
 334                 }
 335         } else {
 336                 // We are inserting into an existing document
 337                 users->text->breakParagraph(paragraphs);
 338
 339                 // We don't want to adopt the parameters from the
 340                 // document we insert, so read them into a temporary buffer
 341                 // and then discard it
 342
 343                 Buffer tmpbuf("", false);
 344                 tmpbuf.readHeader(lex);
 345         }
 346
 347         while (lex.isOK()) {
 348                 lex.nextToken();
 349                 string const token = lex.getString();
 350
 351                 if (token.empty())
 352                         continue;
 353
 354                 lyxerr[Debug::PARSER] << "Handling token: `"
 355                                       << token << '\'' << endl;
 356
 357                 if (token == "\\the_end") {
 358                         the_end_read = true;
 359                         continue;
 360                 }
 361
 362                 unknown_tokens += readParagraph(lex, token, paragraphs, pit, depth);
 363         }
 364
 365
 366         if (unknown_tokens > 0) {
 367 #if USE_BOOST_FORMAT
 368                 string s;
 369                 if (unknown_tokens == 1) {
 370                         boost::format fmt(_("Encountered one unknown token when reading the document %1$s."));
 371                         fmt % fileName();
 372                         s = fmt.str();
 373                 } else {
 374                         boost::format fmt(_("Encountered %1$s unknown tokens when reading the document %2$s."));
 375                         fmt % tostr(unknown_tokens);
 376                         fmt % fileName();
 377                         s = fmt.str();
 378                 }
 379 #else
 380                 string s = _("Encountered ");
 381                 if (unknown_tokens == 1) {
 382                         s += _("one unknown token");
 383                 } else {
 384                         s += tostr(unknown_tokens);
 385                         s += _(" unknown tokens");
 386                 }
 387                 Alert::warning(_("Document format failure"), s);
 388 #endif
 389         }
 390
 391         return the_end_read;
 392 }
 393
 394
 395 int
 396 Buffer::readParagraph(LyXLex & lex, string const & token,
 397                       ParagraphList & pars, ParagraphList::iterator & pit,
 398                       Paragraph::depth_type & depth)
 399 {
 400         static Change current_change;
 401         int unknown = 0;
 402
 403         if (token == "\\layout") {
 404                 lex.pushToken(token);
 405
 406                 Paragraph * par = new Paragraph();
 407                 par->params().depth(depth);
 408                 if (params.tracking_changes)
 409                         par->trackChanges();
 410                 LyXFont f(LyXFont::ALL_INHERIT, params.language);
 411                 par->setFont(0, f);
 412
 413                 // FIXME: goddamn InsetTabular makes us pass a Buffer
 414                 // not BufferParams
 415                 unknown += ::readParagraph(*this, *par, lex);
 416
 417                 // insert after
 418                 if (pit != pars.end())
 419                         ++pit;
 420                 pit = pars.insert(pit, par);
 421         } else if (token == "\\begin_deeper") {
 422                 ++depth;
 423         } else if (token == "\\end_deeper") {
 424                 if (!depth) {
 425                         lex.printError("\\end_deeper: " "depth is already null");
 426                 } else {
 427                         --depth;
 428                 }
 429         } else {
 430                 ++unknown;
 431         }
 432         return unknown;
 433 }
 434
 435
 436 // needed to insert the selection
 437 void Buffer::insertStringAsLines(Paragraph *& par, pos_type & pos,
 438                                  LyXFont const & fn,string const & str)
 439 {
 440         LyXLayout_ptr const & layout = par->layout();
 441
 442         LyXFont font = fn;
 443
 444         par->checkInsertChar(font);
 445         // insert the string, don't insert doublespace
 446         bool space_inserted = true;
 447         bool autobreakrows = !par->inInset() ||
 448                 static_cast<InsetText *>(par->inInset())->getAutoBreakRows();
 449         for(string::const_iterator cit = str.begin();
 450             cit != str.end(); ++cit) {
 451                 if (*cit == '\n') {
 452                         if (autobreakrows && (!par->empty() || layout->keepempty)) {
 453                                 breakParagraph(params, paragraphs, par, pos,
 454                                                layout->isEnvironment());
 455                                 par = par->next();
 456                                 pos = 0;
 457                                 space_inserted = true;
 458                         } else {
 459                                 continue;
 460                         }
 461                         // do not insert consecutive spaces if !free_spacing
 462                 } else if ((*cit == ' ' || *cit == '\t') &&
 463                            space_inserted && !layout->free_spacing &&
 464                                    !par->isFreeSpacing())
 465                 {
 466                         continue;
 467                 } else if (*cit == '\t') {
 468                         if (!layout->free_spacing && !par->isFreeSpacing()) {
 469                                 // tabs are like spaces here
 470                                 par->insertChar(pos, ' ', font);
 471                                 ++pos;
 472                                 space_inserted = true;
 473                         } else {
 474                                 const pos_type nb = 8 - pos % 8;
 475                                 for (pos_type a = 0; a < nb ; ++a) {
 476                                         par->insertChar(pos, ' ', font);
 477                                         ++pos;
 478                                 }
 479                                 space_inserted = true;
 480                         }
 481                 } else if (!IsPrintable(*cit)) {
 482                         // Ignore unprintables
 483                         continue;
 484                 } else {
 485                         // just insert the character
 486                         par->insertChar(pos, *cit, font);
 487                         ++pos;
 488                         space_inserted = (*cit == ' ');
 489                 }
 490
 491         }
 492 }
 493
 494
 495 bool Buffer::readFile(LyXLex & lex, string const & filename)
 496 {
 497         return readFile(lex, filename, paragraphs.begin());
 498 }
 499
 500
 501 // FIXME: all the below Alerts should give the filename..
 502 bool Buffer::readFile(LyXLex & lex, string const & filename, ParagraphList::iterator pit)
 503 {
 504         if (!lex.isOK()) {
 505                 Alert::error(_("Document could not be read"),
 506                         _("The specified document could not be read."));
 507                 return false;
 508         }
 509
 510         lex.next();
 511         string const token(lex.getString());
 512
 513         if (!lex.isOK()) {
 514                 Alert::error(_("Document could not be read"),
 515                         _("The specified document could not be read."));
 516                 return false;
 517         }
 518
 519         // the first token _must_ be...
 520         if (token != "\\lyxformat") {
 521                 Alert::error(_("Document format failure"),
 522                         _("The specified document is not a LyX document."));
 523                 return false;
 524         }
 525
 526         lex.eatLine();
 527         string tmp_format = lex.getString();
 528         //lyxerr << "LyX Format: `" << tmp_format << '\'' << endl;
 529         // if present remove ".," from string.
 530         string::size_type dot = tmp_format.find_first_of(".,");
 531         //lyxerr << "           dot found at " << dot << endl;
 532         if (dot != string::npos)
 533                         tmp_format.erase(dot, 1);
 534         file_format = strToInt(tmp_format);
 535         //lyxerr << "format: " << file_format << endl;
 536         if (file_format == LYX_FORMAT) {
 537                 // current format
 538         } else if (file_format > LYX_FORMAT) {
 539                 Alert::warning(_("Document format failure"),
 540                         _("This document was created with a newer version of "
 541                         "LyX. This is likely to cause problems."));
 542         } else if (file_format < LYX_FORMAT) {
 543                 // old formats
 544                 if (file_format < 200) {
 545                         Alert::error(_("Document format failure"),
 546                                 _("This LyX document is too old to be read "
 547                                 "by this version of LyX. Try LyX 0.10."));
 548                         return false;
 549                 } else if (!filename.empty()) {
 550                         string command =
 551                                 LibFileSearch("lyx2lyx", "lyx2lyx");
 552                         if (command.empty()) {
 553                                 Alert::error(_("Conversion script not found"),
 554                                         _("The document is from an earlier version "
 555                                           "of LyX, but the conversion script lyx2lyx "
 556                                           "could not be found."));
 557                                 return false;
 558                         }
 559                         command += " -t"
 560                                 +tostr(LYX_FORMAT) + ' '
 561                                 + QuoteName(filename);
 562                         lyxerr[Debug::INFO] << "Running '"
 563                                             << command << '\''
 564                                             << endl;
 565                         cmd_ret const ret = RunCommand(command);
 566                         if (ret.first) {
 567                                 Alert::error(_("Conversion script failed"),
 568                                         _("The document is from an earlier version "
 569                                           "of LyX, but the lyx2lyx script failed "
 570                                           "to convert it."));
 571                                 return false;
 572                         }
 573                         istringstream is(STRCONV(ret.second));
 574                         LyXLex tmplex(0, 0);
 575                         tmplex.setStream(is);
 576                         return readFile(tmplex, string(), pit);
 577                 } else {
 578                         // This code is reached if lyx2lyx failed (for
 579                         // some reason) to change the file format of
 580                         // the file.
 581                         lyx::Assert(false);
 582                         return false;
 583                 }
 584         }
 585         bool the_end = readBody(lex, pit);
 586         params.setPaperStuff();
 587
 588         if (!the_end) {
 589                 Alert::error(_("Document format failure"),
 590                         _("The document ended unexpectedly, which means "
 591                           "that it is probably corrupted."));
 592         }
 593         return true;
 594 }
 595
 596
 597 // Should probably be moved to somewhere else: BufferView? LyXView?
 598 bool Buffer::save() const
 599 {
 600         // We don't need autosaves in the immediate future. (Asger)
 601         resetAutosaveTimers();
 602
 603         // make a backup
 604         string s;
 605         if (lyxrc.make_backup) {
 606                 s = fileName() + '~';
 607                 if (!lyxrc.backupdir_path.empty())
 608                         s = AddName(lyxrc.backupdir_path,
 609                                     subst(os::slashify_path(s),'/','!'));
 610
 611                 // Rename is the wrong way of making a backup,
 612                 // this is the correct way.
 613                 /* truss cp fil fil2:
 614                    lstat("LyXVC3.lyx", 0xEFFFF898)                 Err#2 ENOENT
 615                    stat("LyXVC.lyx", 0xEFFFF688)                   = 0
 616                    open("LyXVC.lyx", O_RDONLY)                     = 3
 617                    open("LyXVC3.lyx", O_WRONLY|O_CREAT|O_TRUNC, 0600) = 4
 618                    fstat(4, 0xEFFFF508)                            = 0
 619                    fstat(3, 0xEFFFF508)                            = 0
 620                    read(3, " # T h i s   f i l e   w".., 8192)     = 5579
 621                    write(4, " # T h i s   f i l e   w".., 5579)    = 5579
 622                    read(3, 0xEFFFD4A0, 8192)                       = 0
 623                    close(4)                                        = 0
 624                    close(3)                                        = 0
 625                    chmod("LyXVC3.lyx", 0100644)                    = 0
 626                    lseek(0, 0, SEEK_CUR)                           = 46440
 627                    _exit(0)
 628                 */
 629
 630                 // Should probably have some more error checking here.
 631                 // Doing it this way, also makes the inodes stay the same.
 632                 // This is still not a very good solution, in particular we
 633                 // might loose the owner of the backup.
 634                 FileInfo finfo(fileName());
 635                 if (finfo.exist()) {
 636                         mode_t fmode = finfo.getMode();
 637                         struct utimbuf times = {
 638                                 finfo.getAccessTime(),
 639                                 finfo.getModificationTime() };
 640
 641                         ifstream ifs(fileName().c_str());
 642                         ofstream ofs(s.c_str(), ios::out|ios::trunc);
 643                         if (ifs && ofs) {
 644                                 ofs << ifs.rdbuf();
 645                                 ifs.close();
 646                                 ofs.close();
 647                                 ::chmod(s.c_str(), fmode);
 648
 649                                 if (::utime(s.c_str(), &times)) {
 650                                         lyxerr << "utime error." << endl;
 651                                 }
 652                         } else {
 653                                 lyxerr << "LyX was not able to make "
 654                                         "backup copy. Beware." << endl;
 655                         }
 656                 }
 657         }
 658
 659         if (writeFile(fileName())) {
 660                 markClean();
 661                 removeAutosaveFile(fileName());
 662         } else {
 663                 // Saving failed, so backup is not backup
 664                 if (lyxrc.make_backup) {
 665                         lyx::rename(s, fileName());
 666                 }
 667                 return false;
 668         }
 669         return true;
 670 }
 671
 672
 673 bool Buffer::writeFile(string const & fname) const
 674 {
 675         if (read_only && (fname == fileName())) {
 676                 return false;
 677         }
 678
 679         FileInfo finfo(fname);
 680         if (finfo.exist() && !finfo.writable()) {
 681                 return false;
 682         }
 683
 684         ofstream ofs(fname.c_str());
 685         if (!ofs) {
 686                 return false;
 687         }
 688
 689 #ifdef HAVE_LOCALE
 690         // Use the standard "C" locale for file output.
 691         ofs.imbue(std::locale::classic());
 692 #endif
 693
 694         // The top of the file should not be written by params.
 695
 696         // write out a comment in the top of the file
 697         ofs << '#' << lyx_docversion
 698             << " created this file. For more info see http://www.lyx.org/\n"
 699             << "\\lyxformat " << LYX_FORMAT << "\n";
 700
 701         // now write out the buffer paramters.
 702         params.writeFile(ofs);
 703
 704         ofs << "\\end_header\n";
 705
 706         Paragraph::depth_type depth = 0;
 707
 708         // this will write out all the paragraphs
 709         // using recursive descent.
 710         ParagraphList::iterator pit = paragraphs.begin();
 711         ParagraphList::iterator pend = paragraphs.end();
 712         for (; pit != pend; ++pit)
 713                 pit->write(this, ofs, params, depth);
 714
 715         // Write marker that shows file is complete
 716         ofs << "\n\\the_end" << endl;
 717
 718         ofs.close();
 719
 720         // how to check if close went ok?
 721         // Following is an attempt... (BE 20001011)
 722
 723         // good() returns false if any error occured, including some
 724         //        formatting error.
 725         // bad()  returns true if something bad happened in the buffer,
 726         //        which should include file system full errors.
 727
 728         bool status = true;
 729         if (!ofs.good()) {
 730                 status = false;
 731 #if 0
 732                 if (ofs.bad()) {
 733                         lyxerr << "Buffer::writeFile: BAD ERROR!" << endl;
 734                 } else {
 735                         lyxerr << "Buffer::writeFile: NOT SO BAD ERROR!"
 736                                << endl;
 737                 }
 738 #endif
 739         }
 740
 741         return status;
 742 }
 743
 744
 745 namespace {
 746
 747 pair<int, string> const addDepth(int depth, int ldepth)
 748 {
 749         int d = depth * 2;
 750         if (ldepth > depth)
 751                 d += (ldepth - depth) * 2;
 752         return make_pair(d, string(d, ' '));
 753 }
 754
 755 }
 756
 757
 758 string const Buffer::asciiParagraph(Paragraph const & par,
 759                                     unsigned int linelen,
 760                                     bool noparbreak) const
 761 {
 762         ostringstream buffer;
 763         Paragraph::depth_type depth = 0;
 764         int ltype = 0;
 765         Paragraph::depth_type ltype_depth = 0;
 766         bool ref_printed = false;
 767 //      if (!par->previous()) {
 768 #if 0
 769         // begins or ends a deeper area ?
 770         if (depth != par->params().depth()) {
 771                 if (par->params().depth() > depth) {
 772                         while (par->params().depth() > depth) {
 773                                 ++depth;
 774                         }
 775                 } else {
 776                         while (par->params().depth() < depth) {
 777                                 --depth;
 778                         }
 779                 }
 780         }
 781 #else
 782         depth = par.params().depth();
 783 #endif
 784
 785         // First write the layout
 786         string const & tmp = par.layout()->name();
 787         if (compare_no_case(tmp, "itemize") == 0) {
 788                 ltype = 1;
 789                 ltype_depth = depth + 1;
 790         } else if (compare_ascii_no_case(tmp, "enumerate") == 0) {
 791                 ltype = 2;
 792                 ltype_depth = depth + 1;
 793         } else if (contains(ascii_lowercase(tmp), "ection")) {
 794                 ltype = 3;
 795                 ltype_depth = depth + 1;
 796         } else if (contains(ascii_lowercase(tmp), "aragraph")) {
 797                 ltype = 4;
 798                 ltype_depth = depth + 1;
 799         } else if (compare_ascii_no_case(tmp, "description") == 0) {
 800                 ltype = 5;
 801                 ltype_depth = depth + 1;
 802         } else if (compare_ascii_no_case(tmp, "abstract") == 0) {
 803                 ltype = 6;
 804                 ltype_depth = 0;
 805         } else if (compare_ascii_no_case(tmp, "bibliography") == 0) {
 806                 ltype = 7;
 807                 ltype_depth = 0;
 808         } else {
 809                 ltype = 0;
 810                 ltype_depth = 0;
 811         }
 812
 813         /* maybe some vertical spaces */
 814
 815         /* the labelwidthstring used in lists */
 816
 817         /* some lines? */
 818
 819         /* some pagebreaks? */
 820
 821         /* noindent ? */
 822
 823         /* what about the alignment */
 824
 825         // linelen <= 0 is special and means we don't have paragraph breaks
 826
 827         string::size_type currlinelen = 0;
 828
 829         if (!noparbreak) {
 830                 if (linelen > 0)
 831                         buffer << "\n\n";
 832
 833                 buffer << string(depth * 2, ' ');
 834                 currlinelen += depth * 2;
 835
 836                 //--
 837                 // we should probably change to the paragraph language in the
 838                 // gettext here (if possible) so that strings are outputted in
 839                 // the correct language! (20012712 Jug)
 840                 //--
 841                 switch (ltype) {
 842                 case 0: // Standard
 843                 case 4: // (Sub)Paragraph
 844                 case 5: // Description
 845                         break;
 846                 case 6: // Abstract
 847                         if (linelen > 0) {
 848                                 buffer << _("Abstract") << "\n\n";
 849                                 currlinelen = 0;
 850                         } else {
 851                                 string const abst = _("Abstract: ");
 852                                 buffer << abst;
 853                                 currlinelen += abst.length();
 854                         }
 855                         break;
 856                 case 7: // Bibliography
 857                         if (!ref_printed) {
 858                                 if (linelen > 0) {
 859                                         buffer << _("References") << "\n\n";
 860                                         currlinelen = 0;
 861                                 } else {
 862                                         string const refs = _("References: ");
 863                                         buffer << refs;
 864                                         currlinelen += refs.length();
 865                                 }
 866
 867                                 ref_printed = true;
 868                         }
 869                         break;
 870                 default:
 871                 {
 872                         string const parlab = par.params().labelString();
 873                         buffer << parlab << ' ';
 874                         currlinelen += parlab.length() + 1;
 875                 }
 876                 break;
 877
 878                 }
 879         }
 880
 881         if (!currlinelen) {
 882                 pair<int, string> p = addDepth(depth, ltype_depth);
 883                 buffer << p.second;
 884                 currlinelen += p.first;
 885         }
 886
 887         // this is to change the linebreak to do it by word a bit more
 888         // intelligent hopefully! (only in the case where we have a
 889         // max linelength!) (Jug)
 890
 891         string word;
 892
 893         for (pos_type i = 0; i < par.size(); ++i) {
 894                 char c = par.getUChar(params, i);
 895                 switch (c) {
 896                 case Paragraph::META_INSET:
 897                 {
 898                         Inset const * inset = par.getInset(i);
 899                         if (inset) {
 900                                 if (linelen > 0) {
 901                                         buffer << word;
 902                                         currlinelen += word.length();
 903                                         word.erase();
 904                                 }
 905                                 if (inset->ascii(this, buffer, linelen)) {
 906                                         // to be sure it breaks paragraph
 907                                         currlinelen += linelen;
 908                                 }
 909                         }
 910                 }
 911                 break;
 912
 913                 default:
 914                         if (c == ' ') {
 915                                 if (linelen > 0 &&
 916                                     currlinelen + word.length() > linelen - 10) {
 917                                         buffer << "\n";
 918                                         pair<int, string> p = addDepth(depth, ltype_depth);
 919                                         buffer << p.second;
 920                                         currlinelen = p.first;
 921                                 }
 922
 923                                 buffer << word << ' ';
 924                                 currlinelen += word.length() + 1;
 925                                 word.erase();
 926
 927                         } else {
 928                                 if (c != '\0') {
 929                                         word += c;
 930                                 } else {
 931                                         lyxerr[Debug::INFO] <<
 932                                                 "writeAsciiFile: NULL char in structure." << endl;
 933                                 }
 934                                 if ((linelen > 0) &&
 935                                         (currlinelen + word.length()) > linelen)
 936                                 {
 937                                         buffer << "\n";
 938
 939                                         pair<int, string> p =
 940                                                 addDepth(depth, ltype_depth);
 941                                         buffer << p.second;
 942                                         currlinelen = p.first;
 943                                 }
 944                         }
 945                         break;
 946                 }
 947         }
 948         buffer << word;
 949         return STRCONV(buffer.str());
 950 }
 951
 952
 953 void Buffer::writeFileAscii(string const & fname, int linelen)
 954 {
 955         ofstream ofs(fname.c_str());
 956         if (!ofs) {
 957                 string const file = MakeDisplayPath(fname, 50);
 958 #if USE_BOOST_FORMAT
 959                 boost::format fmt(_("Could not save the document\n%1$s."));
 960                 fmt % file;
 961                 string text = fmt.str();
 962 #else
 963                 string text = _("Could not save the document\n");
 964                 text += file + ".";
 965 #endif
 966                 Alert::error(_("Could not save document"), text);
 967                 return;
 968         }
 969         writeFileAscii(ofs, linelen);
 970 }
 971
 972
 973 void Buffer::writeFileAscii(ostream & os, int linelen)
 974 {
 975         ParagraphList::iterator beg = paragraphs.begin();
 976         ParagraphList::iterator end = paragraphs.end();
 977         ParagraphList::iterator it = beg;
 978         for (; it != end; ++it) {
 979                 os << asciiParagraph(*it, linelen, it == beg);
 980         }
 981         os << "\n";
 982 }
 983
 984
 985
 986 void Buffer::makeLaTeXFile(string const & fname,
 987                            string const & original_path,
 988                            bool nice, bool only_body, bool only_preamble)
 989 {
 990         lyxerr[Debug::LATEX] << "makeLaTeXFile..." << endl;
 991
 992         ofstream ofs(fname.c_str());
 993         if (!ofs) {
 994                 string const file = MakeDisplayPath(fname, 50);
 995 #if USE_BOOST_FORMAT
 996                 boost::format fmt(_("Could not open the specified document\n%1$s."));
 997                 fmt % file;
 998                 string text = fmt.str();
 999 #else
1000                 string text = _("Could not open the specified document\n");
1001                 text += file + ".";
1002 #endif
1003                 Alert::error(_("Could not open file"), text);
1004                 return;
1005         }
1006
1007         makeLaTeXFile(ofs, original_path, nice, only_body, only_preamble);
1008
1009         ofs.close();
1010         if (ofs.fail()) {
1011                 lyxerr << "File was not closed properly." << endl;
1012         }
1013 }
1014
1015
1016 void Buffer::makeLaTeXFile(ostream & os,
1017                            string const & original_path,
1018                            bool nice, bool only_body, bool only_preamble)
1019 {
1020         niceFile = nice; // this will be used by Insetincludes.
1021
1022         // validate the buffer.
1023         lyxerr[Debug::LATEX] << "  Validating buffer..." << endl;
1024         LaTeXFeatures features(params);
1025         validate(features);
1026         lyxerr[Debug::LATEX] << "  Buffer validation done." << endl;
1027
1028         texrow.reset();
1029         // The starting paragraph of the coming rows is the
1030         // first paragraph of the document. (Asger)
1031         texrow.start(&*(paragraphs.begin()), 0);
1032
1033         if (!only_body && nice) {
1034                 os << "%% " << lyx_docversion << " created this file.  "
1035                         "For more info, see http://www.lyx.org/.\n"
1036                         "%% Do not edit unless you really know what "
1037                         "you are doing.\n";
1038                 texrow.newline();
1039                 texrow.newline();
1040         }
1041         lyxerr[Debug::INFO] << "lyx header finished" << endl;
1042         // There are a few differences between nice LaTeX and usual files:
1043         // usual is \batchmode and has a
1044         // special input@path to allow the including of figures
1045         // with either \input or \includegraphics (what figinsets do).
1046         // input@path is set when the actual parameter
1047         // original_path is set. This is done for usual tex-file, but not
1048         // for nice-latex-file. (Matthias 250696)
1049         if (!only_body) {
1050                 if (!nice) {
1051                         // code for usual, NOT nice-latex-file
1052                         os << "\\batchmode\n"; // changed
1053                         // from \nonstopmode
1054                         texrow.newline();
1055                 }
1056                 if (!original_path.empty()) {
1057                         string inputpath = os::external_path(original_path);
1058                         subst(inputpath, "~", "\\string~");
1059                         os << "\\makeatletter\n"
1060                             << "\\def\\input@path{{"
1061                             << inputpath << "/}}\n"
1062                             << "\\makeatother\n";
1063                         texrow.newline();
1064                         texrow.newline();
1065                         texrow.newline();
1066                 }
1067
1068                 // Write the preamble
1069                 params.writeLaTeX(os, features, texrow);
1070
1071                 if (only_preamble)
1072                         return;
1073
1074                 // make the body.
1075                 os << "\\begin{document}\n";
1076                 texrow.newline();
1077         } // only_body
1078         lyxerr[Debug::INFO] << "preamble finished, now the body." << endl;
1079
1080         if (!lyxrc.language_auto_begin) {
1081                 os << subst(lyxrc.language_command_begin, "$$lang",
1082                              params.language->babel())
1083                     << endl;
1084                 texrow.newline();
1085         }
1086
1087         latexParagraphs(this, paragraphs, paragraphs.begin(), paragraphs.end(), os, texrow);
1088
1089         // add this just in case after all the paragraphs
1090         os << endl;
1091         texrow.newline();
1092
1093         if (!lyxrc.language_auto_end) {
1094                 os << subst(lyxrc.language_command_end, "$$lang",
1095                              params.language->babel())
1096                     << endl;
1097                 texrow.newline();
1098         }
1099
1100         if (!only_body) {
1101                 os << "\\end{document}\n";
1102                 texrow.newline();
1103
1104                 lyxerr[Debug::LATEX] << "makeLaTeXFile...done" << endl;
1105         } else {
1106                 lyxerr[Debug::LATEX] << "LaTeXFile for inclusion made."
1107                                      << endl;
1108         }
1109
1110         // Just to be sure. (Asger)
1111         texrow.newline();
1112
1113         lyxerr[Debug::INFO] << "Finished making LaTeX file." << endl;
1114         lyxerr[Debug::INFO] << "Row count was " << texrow.rows() - 1
1115                             << '.' << endl;
1116
1117         // we want this to be true outside previews (for insetexternal)
1118         niceFile = true;
1119 }
1120
1121
1122 bool Buffer::isLatex() const
1123 {
1124         return params.getLyXTextClass().outputType() == LATEX;
1125 }
1126
1127
1128 bool Buffer::isLinuxDoc() const
1129 {
1130         return params.getLyXTextClass().outputType() == LINUXDOC;
1131 }
1132
1133
1134 bool Buffer::isLiterate() const
1135 {
1136         return params.getLyXTextClass().outputType() == LITERATE;
1137 }
1138
1139
1140 bool Buffer::isDocBook() const
1141 {
1142         return params.getLyXTextClass().outputType() == DOCBOOK;
1143 }
1144
1145
1146 bool Buffer::isSGML() const
1147 {
1148         LyXTextClass const & tclass = params.getLyXTextClass();
1149
1150         return tclass.outputType() == LINUXDOC ||
1151                tclass.outputType() == DOCBOOK;
1152 }
1153
1154
1155 void Buffer::makeLinuxDocFile(string const & fname, bool nice, bool body_only)
1156 {
1157         ofstream ofs(fname.c_str());
1158
1159         if (!ofs) {
1160                 string const file = MakeDisplayPath(fname, 50);
1161 #if USE_BOOST_FORMAT
1162                 boost::format fmt(_("Could not save the specified document\n%1$s.\n"));
1163                 fmt % file;
1164                 string text = fmt.str();
1165 #else
1166                 string text = _("Could not save the specified document\n");
1167                 text += file + _(".\n");
1168 #endif
1169                 Alert::error(_("Could not save document"), text);
1170                 return;
1171         }
1172
1173         niceFile = nice; // this will be used by included files.
1174
1175         LaTeXFeatures features(params);
1176
1177         validate(features);
1178
1179         texrow.reset();
1180
1181         LyXTextClass const & tclass = params.getLyXTextClass();
1182
1183         string top_element = tclass.latexname();
1184
1185         if (!body_only) {
1186                 ofs << "<!doctype linuxdoc system";
1187
1188                 string preamble = params.preamble;
1189                 const string name = nice ? ChangeExtension(filename_, ".sgml")
1190                          : fname;
1191                 preamble += features.getIncludedFiles(name);
1192                 preamble += features.getLyXSGMLEntities();
1193
1194                 if (!preamble.empty()) {
1195                         ofs << " [ " << preamble << " ]";
1196                 }
1197                 ofs << ">\n\n";
1198
1199                 if (params.options.empty())
1200                         sgml::openTag(ofs, 0, false, top_element);
1201                 else {
1202                         string top = top_element;
1203                         top += ' ';
1204                         top += params.options;
1205                         sgml::openTag(ofs, 0, false, top);
1206                 }
1207         }
1208
1209         ofs << "<!-- "  << lyx_docversion
1210             << " created this file. For more info see http://www.lyx.org/"
1211             << " -->\n";
1212
1213         Paragraph::depth_type depth = 0; // paragraph depth
1214         Paragraph * par = &*(paragraphs.begin());
1215         string item_name;
1216         vector<string> environment_stack(5);
1217
1218         while (par) {
1219                 LyXLayout_ptr const & style = par->layout();
1220                 // treat <toc> as a special case for compatibility with old code
1221                 if (par->isInset(0)) {
1222                         Inset * inset = par->getInset(0);
1223                         Inset::Code lyx_code = inset->lyxCode();
1224                         if (lyx_code == Inset::TOC_CODE) {
1225                                 string const temp = "toc";
1226                                 sgml::openTag(ofs, depth, false, temp);
1227
1228                                 par = par->next();
1229                                 continue;
1230                         }
1231                 }
1232
1233                 // environment tag closing
1234                 for (; depth > par->params().depth(); --depth) {
1235                         sgml::closeTag(ofs, depth, false, environment_stack[depth]);
1236                         environment_stack[depth].erase();
1237                 }
1238
1239                 // write opening SGML tags
1240                 switch (style->latextype) {
1241                 case LATEX_PARAGRAPH:
1242                         if (depth == par->params().depth()
1243                            && !environment_stack[depth].empty()) {
1244                                 sgml::closeTag(ofs, depth, false, environment_stack[depth]);
1245                                 environment_stack[depth].erase();
1246                                 if (depth)
1247                                         --depth;
1248                                 else
1249                                         ofs << "</p>";
1250                         }
1251                         sgml::openTag(ofs, depth, false, style->latexname());
1252                         break;
1253
1254                 case LATEX_COMMAND:
1255                         if (depth!= 0)
1256                                 sgmlError(par, 0,
1257                                           _("Error: Wrong depth for LatexType Command.\n"));
1258
1259                         if (!environment_stack[depth].empty()) {
1260                                 sgml::closeTag(ofs, depth, false, environment_stack[depth]);
1261                                 ofs << "</p>";
1262                         }
1263
1264                         environment_stack[depth].erase();
1265                         sgml::openTag(ofs, depth, false, style->latexname());
1266                         break;
1267
1268                 case LATEX_ENVIRONMENT:
1269                 case LATEX_ITEM_ENVIRONMENT:
1270                 case LATEX_BIB_ENVIRONMENT:
1271                 {
1272                         string const & latexname = style->latexname();
1273
1274                         if (depth == par->params().depth()
1275                             && environment_stack[depth] != latexname) {
1276                                 sgml::closeTag(ofs, depth, false,
1277                                              environment_stack[depth]);
1278                                 environment_stack[depth].erase();
1279                         }
1280                         if (depth < par->params().depth()) {
1281                                depth = par->params().depth();
1282                                environment_stack[depth].erase();
1283                         }
1284                         if (environment_stack[depth] != latexname) {
1285                                 if (depth == 0) {
1286                                         sgml::openTag(ofs, depth, false, "p");
1287                                 }
1288                                 sgml::openTag(ofs, depth, false, latexname);
1289
1290                                 if (environment_stack.size() == depth + 1)
1291                                         environment_stack.push_back("!-- --");
1292                                 environment_stack[depth] = latexname;
1293                         }
1294
1295                         if (style->latexparam() == "CDATA")
1296                                 ofs << "<![CDATA[";
1297
1298                         if (style->latextype == LATEX_ENVIRONMENT) break;
1299
1300                         if (style->labeltype == LABEL_MANUAL)
1301                                 item_name = "tag";
1302                         else
1303                                 item_name = "item";
1304
1305                         sgml::openTag(ofs, depth + 1, false, item_name);
1306                 }
1307                 break;
1308
1309                 default:
1310                         sgml::openTag(ofs, depth, false, style->latexname());
1311                         break;
1312                 }
1313
1314                 simpleLinuxDocOnePar(ofs, par, depth);
1315
1316                 par = par->next();
1317
1318                 ofs << "\n";
1319                 // write closing SGML tags
1320                 switch (style->latextype) {
1321                 case LATEX_COMMAND:
1322                         break;
1323                 case LATEX_ENVIRONMENT:
1324                 case LATEX_ITEM_ENVIRONMENT:
1325                 case LATEX_BIB_ENVIRONMENT:
1326                         if (style->latexparam() == "CDATA")
1327                                 ofs << "]]>";
1328                         break;
1329                 default:
1330                         sgml::closeTag(ofs, depth, false, style->latexname());
1331                         break;
1332                 }
1333         }
1334
1335         // Close open tags
1336         for (int i = depth; i >= 0; --i)
1337                 sgml::closeTag(ofs, depth, false, environment_stack[i]);
1338
1339         if (!body_only) {
1340                 ofs << "\n\n";
1341                 sgml::closeTag(ofs, 0, false, top_element);
1342         }
1343
1344         ofs.close();
1345         // How to check for successful close
1346
1347         // we want this to be true outside previews (for insetexternal)
1348         niceFile = true;
1349 }
1350
1351
1352 // checks, if newcol chars should be put into this line
1353 // writes newline, if necessary.
1354 namespace {
1355
1356 void sgmlLineBreak(ostream & os, string::size_type & colcount,
1357                           string::size_type newcol)
1358 {
1359         colcount += newcol;
1360         if (colcount > lyxrc.ascii_linelen) {
1361                 os << "\n";
1362                 colcount = newcol; // assume write after this call
1363         }
1364 }
1365
1366 enum PAR_TAG {
1367         NONE=0,
1368         TT = 1,
1369         SF = 2,
1370         BF = 4,
1371         IT = 8,
1372         SL = 16,
1373         EM = 32
1374 };
1375
1376
1377 string tag_name(PAR_TAG const & pt) {
1378         switch (pt) {
1379         case NONE: return "!-- --";
1380         case TT: return "tt";
1381         case SF: return "sf";
1382         case BF: return "bf";
1383         case IT: return "it";
1384         case SL: return "sl";
1385         case EM: return "em";
1386         }
1387         return "";
1388 }
1389
1390
1391 inline
1392 void operator|=(PAR_TAG & p1, PAR_TAG const & p2)
1393 {
1394         p1 = static_cast<PAR_TAG>(p1 | p2);
1395 }
1396
1397
1398 inline
1399 void reset(PAR_TAG & p1, PAR_TAG const & p2)
1400 {
1401         p1 = static_cast<PAR_TAG>(p1 & ~p2);
1402 }
1403
1404 } // anon
1405
1406
1407 // Handle internal paragraph parsing -- layout already processed.
1408 void Buffer::simpleLinuxDocOnePar(ostream & os,
1409         Paragraph * par,
1410         Paragraph::depth_type /*depth*/)
1411 {
1412         LyXLayout_ptr const & style = par->layout();
1413
1414         string::size_type char_line_count = 5;     // Heuristic choice ;-)
1415
1416         // gets paragraph main font
1417         LyXFont font_old;
1418         bool desc_on;
1419         if (style->labeltype == LABEL_MANUAL) {
1420                 font_old = style->labelfont;
1421                 desc_on = true;
1422         } else {
1423                 font_old = style->font;
1424                 desc_on = false;
1425         }
1426
1427         LyXFont::FONT_FAMILY family_type = LyXFont::ROMAN_FAMILY;
1428         LyXFont::FONT_SERIES series_type = LyXFont::MEDIUM_SERIES;
1429         LyXFont::FONT_SHAPE  shape_type  = LyXFont::UP_SHAPE;
1430         bool is_em = false;
1431
1432         stack<PAR_TAG> tag_state;
1433         // parsing main loop
1434         for (pos_type i = 0; i < par->size(); ++i) {
1435
1436                 PAR_TAG tag_close = NONE;
1437                 list < PAR_TAG > tag_open;
1438
1439                 LyXFont const font = par->getFont(params, i);
1440
1441                 if (font_old.family() != font.family()) {
1442                         switch (family_type) {
1443                         case LyXFont::SANS_FAMILY:
1444                                 tag_close |= SF;
1445                                 break;
1446                         case LyXFont::TYPEWRITER_FAMILY:
1447                                 tag_close |= TT;
1448                                 break;
1449                         default:
1450                                 break;
1451                         }
1452
1453                         family_type = font.family();
1454
1455                         switch (family_type) {
1456                         case LyXFont::SANS_FAMILY:
1457                                 tag_open.push_back(SF);
1458                                 break;
1459                         case LyXFont::TYPEWRITER_FAMILY:
1460                                 tag_open.push_back(TT);
1461                                 break;
1462                         default:
1463                                 break;
1464                         }
1465                 }
1466
1467                 if (font_old.series() != font.series()) {
1468                         switch (series_type) {
1469                         case LyXFont::BOLD_SERIES:
1470                                 tag_close |= BF;
1471                                 break;
1472                         default:
1473                                 break;
1474                         }
1475
1476                         series_type = font.series();
1477
1478                         switch (series_type) {
1479                         case LyXFont::BOLD_SERIES:
1480                                 tag_open.push_back(BF);
1481                                 break;
1482                         default:
1483                                 break;
1484                         }
1485
1486                 }
1487
1488                 if (font_old.shape() != font.shape()) {
1489                         switch (shape_type) {
1490                         case LyXFont::ITALIC_SHAPE:
1491                                 tag_close |= IT;
1492                                 break;
1493                         case LyXFont::SLANTED_SHAPE:
1494                                 tag_close |= SL;
1495                                 break;
1496                         default:
1497                                 break;
1498                         }
1499
1500                         shape_type = font.shape();
1501
1502                         switch (shape_type) {
1503                         case LyXFont::ITALIC_SHAPE:
1504                                 tag_open.push_back(IT);
1505                                 break;
1506                         case LyXFont::SLANTED_SHAPE:
1507                                 tag_open.push_back(SL);
1508                                 break;
1509                         default:
1510                                 break;
1511                         }
1512                 }
1513                 // handle <em> tag
1514                 if (font_old.emph() != font.emph()) {
1515                         if (font.emph() == LyXFont::ON) {
1516                                 tag_open.push_back(EM);
1517                                 is_em = true;
1518                         }
1519                         else if (is_em) {
1520                                 tag_close |= EM;
1521                                 is_em = false;
1522                         }
1523                 }
1524
1525                 list < PAR_TAG > temp;
1526                 while (!tag_state.empty() && tag_close) {
1527                         PAR_TAG k =  tag_state.top();
1528                         tag_state.pop();
1529                         os << "</" << tag_name(k) << '>';
1530                         if (tag_close & k)
1531                                 reset(tag_close,k);
1532                         else
1533                                 temp.push_back(k);
1534                 }
1535
1536                 for(list< PAR_TAG >::const_iterator j = temp.begin();
1537                     j != temp.end(); ++j) {
1538                         tag_state.push(*j);
1539                         os << '<' << tag_name(*j) << '>';
1540                 }
1541
1542                 for(list< PAR_TAG >::const_iterator j = tag_open.begin();
1543                     j != tag_open.end(); ++j) {
1544                         tag_state.push(*j);
1545                         os << '<' << tag_name(*j) << '>';
1546                 }
1547
1548                 char c = par->getChar(i);
1549
1550                 if (c == Paragraph::META_INSET) {
1551                         Inset * inset = par->getInset(i);
1552                         inset->linuxdoc(this, os);
1553                         font_old = font;
1554                         continue;
1555                 }
1556
1557                 if (style->latexparam() == "CDATA") {
1558                         // "TeX"-Mode on == > SGML-Mode on.
1559                         if (c != '\0')
1560                                 os << c;
1561                         ++char_line_count;
1562                 } else {
1563                         bool ws;
1564                         string str;
1565                         boost::tie(ws, str) = sgml::escapeChar(c);
1566                         if (ws && !style->free_spacing && !par->isFreeSpacing()) {
1567                                 // in freespacing mode, spaces are
1568                                 // non-breaking characters
1569                                 if (desc_on) {// if char is ' ' then...
1570
1571                                         ++char_line_count;
1572                                         sgmlLineBreak(os, char_line_count, 6);
1573                                         os << "</tag>";
1574                                         desc_on = false;
1575                                 } else  {
1576                                         sgmlLineBreak(os, char_line_count, 1);
1577                                         os << c;
1578                                 }
1579                         } else {
1580                                 os << str;
1581                                 char_line_count += str.length();
1582                         }
1583                 }
1584                 font_old = font;
1585         }
1586
1587         while (!tag_state.empty()) {
1588                 os << "</" << tag_name(tag_state.top()) << '>';
1589                 tag_state.pop();
1590         }
1591
1592         // resets description flag correctly
1593         if (desc_on) {
1594                 // <tag> not closed...
1595                 sgmlLineBreak(os, char_line_count, 6);
1596                 os << "</tag>";
1597         }
1598 }
1599
1600
1601 // Print an error message.
1602 void Buffer::sgmlError(Paragraph * /*par*/, int /*pos*/,
1603         string const & /*message*/) const
1604 {
1605 #ifdef WITH_WARNINGS
1606 #warning This is wrong we cannot insert an inset like this!!!
1607         // I guess this was Jose' so I explain you more or less why this
1608         // is wrong. This way you insert something in the paragraph and
1609         // don't tell it to LyXText (row rebreaking and undo handling!!!)
1610         // I deactivate this code, have a look at BufferView::insertErrors
1611         // how you should do this correctly! (Jug 20020315)
1612 #endif
1613 #if 0
1614         // insert an error marker in text
1615         InsetError * new_inset = new InsetError(message);
1616         par->insertInset(pos, new_inset, LyXFont(LyXFont::ALL_INHERIT,
1617                          params.language));
1618 #endif
1619 }
1620
1621
1622 void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
1623 {
1624         ofstream ofs(fname.c_str());
1625         if (!ofs) {
1626                 string const file = MakeDisplayPath(fname, 50);
1627 #if USE_BOOST_FORMAT
1628                 boost::format fmt(_("Could not save the specified document\n%1$s.\n"));
1629                 fmt % file;
1630                 string text = fmt.str();
1631 #else
1632                 string text = _("Could not save the specified document\n");
1633                 text += file + _(".\n");
1634 #endif
1635                 Alert::error(_("Could not save document"), text);
1636                 return;
1637                 return;
1638         }
1639
1640         Paragraph * par = &*(paragraphs.begin());
1641
1642         niceFile = nice; // this will be used by Insetincludes.
1643
1644         LaTeXFeatures features(params);
1645         validate(features);
1646
1647         texrow.reset();
1648
1649         LyXTextClass const & tclass = params.getLyXTextClass();
1650         string top_element = tclass.latexname();
1651
1652         if (!only_body) {
1653                 ofs << "<!DOCTYPE " << top_element
1654                     << "  PUBLIC \"-//OASIS//DTD DocBook V4.1//EN\"";
1655
1656                 string preamble = params.preamble;
1657                 const string name = nice ? ChangeExtension(filename_, ".sgml")
1658                          : fname;
1659                 preamble += features.getIncludedFiles(name);
1660                 preamble += features.getLyXSGMLEntities();
1661
1662                 if (!preamble.empty()) {
1663                         ofs << "\n [ " << preamble << " ]";
1664                 }
1665                 ofs << ">\n\n";
1666         }
1667
1668         string top = top_element;
1669         top += " lang=\"";
1670         top += params.language->code();
1671         top += '"';
1672
1673         if (!params.options.empty()) {
1674                 top += ' ';
1675                 top += params.options;
1676         }
1677         sgml::openTag(ofs, 0, false, top);
1678
1679         ofs << "<!-- DocBook file was created by " << lyx_docversion
1680             << "\n  See http://www.lyx.org/ for more information -->\n";
1681
1682         vector<string> environment_stack(10);
1683         vector<string> environment_inner(10);
1684         vector<string> command_stack(10);
1685
1686         bool command_flag = false;
1687         Paragraph::depth_type command_depth = 0;
1688         Paragraph::depth_type command_base = 0;
1689         Paragraph::depth_type cmd_depth = 0;
1690         Paragraph::depth_type depth = 0; // paragraph depth
1691
1692         string item_name;
1693         string command_name;
1694
1695         while (par) {
1696                 string sgmlparam;
1697                 string c_depth;
1698                 string c_params;
1699                 int desc_on = 0; // description mode
1700
1701                 LyXLayout_ptr const & style = par->layout();
1702
1703                 // environment tag closing
1704                 for (; depth > par->params().depth(); --depth) {
1705                         if (environment_inner[depth] != "!-- --") {
1706                                 item_name = "listitem";
1707                                 sgml::closeTag(ofs, command_depth + depth, false, item_name);
1708                                 if (environment_inner[depth] == "varlistentry")
1709                                         sgml::closeTag(ofs, depth+command_depth, false, environment_inner[depth]);
1710                         }
1711                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
1712                         environment_stack[depth].erase();
1713                         environment_inner[depth].erase();
1714                 }
1715
1716                 if (depth == par->params().depth()
1717                    && environment_stack[depth] != style->latexname()
1718                    && !environment_stack[depth].empty()) {
1719                         if (environment_inner[depth] != "!-- --") {
1720                                 item_name= "listitem";
1721                                 sgml::closeTag(ofs, command_depth+depth, false, item_name);
1722                                 if (environment_inner[depth] == "varlistentry")
1723                                         sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
1724                         }
1725
1726                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
1727
1728                         environment_stack[depth].erase();
1729                         environment_inner[depth].erase();
1730                 }
1731
1732                 // Write opening SGML tags.
1733                 switch (style->latextype) {
1734                 case LATEX_PARAGRAPH:
1735                         sgml::openTag(ofs, depth + command_depth,
1736                                     false, style->latexname());
1737                         break;
1738
1739                 case LATEX_COMMAND:
1740                         if (depth != 0)
1741                                 sgmlError(par, 0,
1742                                           _("Error: Wrong depth for LatexType Command.\n"));
1743
1744                         command_name = style->latexname();
1745
1746                         sgmlparam = style->latexparam();
1747                         c_params = split(sgmlparam, c_depth,'|');
1748
1749                         cmd_depth = lyx::atoi(c_depth);
1750
1751                         if (command_flag) {
1752                                 if (cmd_depth < command_base) {
1753                                         for (Paragraph::depth_type j = command_depth;
1754                                              j >= command_base; --j) {
1755                                                 sgml::closeTag(ofs, j, false, command_stack[j]);
1756                                                 ofs << endl;
1757                                         }
1758                                         command_depth = command_base = cmd_depth;
1759                                 } else if (cmd_depth <= command_depth) {
1760                                         for (int j = command_depth;
1761                                              j >= int(cmd_depth); --j) {
1762                                                 sgml::closeTag(ofs, j, false, command_stack[j]);
1763                                                 ofs << endl;
1764                                         }
1765                                         command_depth = cmd_depth;
1766                                 } else
1767                                         command_depth = cmd_depth;
1768                         } else {
1769                                 command_depth = command_base = cmd_depth;
1770                                 command_flag = true;
1771                         }
1772                         if (command_stack.size() == command_depth + 1)
1773                                 command_stack.push_back(string());
1774                         command_stack[command_depth] = command_name;
1775
1776                         // treat label as a special case for
1777                         // more WYSIWYM handling.
1778                         // This is a hack while paragraphs can't have
1779                         // attributes, like id in this case.
1780                         if (par->isInset(0)) {
1781                                 Inset * inset = par->getInset(0);
1782                                 Inset::Code lyx_code = inset->lyxCode();
1783                                 if (lyx_code == Inset::LABEL_CODE) {
1784                                         command_name += " id=\"";
1785                                         command_name += (static_cast<InsetCommand *>(inset))->getContents();
1786                                         command_name += '"';
1787                                         desc_on = 3;
1788                                 }
1789                         }
1790
1791                         sgml::openTag(ofs, depth + command_depth, false, command_name);
1792
1793                         item_name = c_params.empty() ? "title" : c_params;
1794                         sgml::openTag(ofs, depth + 1 + command_depth, false, item_name);
1795                         break;
1796
1797                 case LATEX_ENVIRONMENT:
1798                 case LATEX_ITEM_ENVIRONMENT:
1799                         if (depth < par->params().depth()) {
1800                                 depth = par->params().depth();
1801                                 environment_stack[depth].erase();
1802                         }
1803
1804                         if (environment_stack[depth] != style->latexname()) {
1805                                 if (environment_stack.size() == depth + 1) {
1806                                         environment_stack.push_back("!-- --");
1807                                         environment_inner.push_back("!-- --");
1808                                 }
1809                                 environment_stack[depth] = style->latexname();
1810                                 environment_inner[depth] = "!-- --";
1811                                 sgml::openTag(ofs, depth + command_depth, false, environment_stack[depth]);
1812                         } else {
1813                                 if (environment_inner[depth] != "!-- --") {
1814                                         item_name= "listitem";
1815                                         sgml::closeTag(ofs, command_depth + depth, false, item_name);
1816                                         if (environment_inner[depth] == "varlistentry")
1817                                                 sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
1818                                 }
1819                         }
1820
1821                         if (style->latextype == LATEX_ENVIRONMENT) {
1822                                 if (!style->latexparam().empty()) {
1823                                         if (style->latexparam() == "CDATA")
1824                                                 ofs << "<![CDATA[";
1825                                         else
1826                                                 sgml::openTag(ofs, depth + command_depth, false, style->latexparam());
1827                                 }
1828                                 break;
1829                         }
1830
1831                         desc_on = (style->labeltype == LABEL_MANUAL);
1832
1833                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1834                         sgml::openTag(ofs, depth + 1 + command_depth,
1835                                     false, environment_inner[depth]);
1836
1837                         item_name = desc_on ? "term" : "para";
1838                         sgml::openTag(ofs, depth + 1 + command_depth,
1839                                     false, item_name);
1840                         break;
1841                 default:
1842                         sgml::openTag(ofs, depth + command_depth,
1843                                     false, style->latexname());
1844                         break;
1845                 }
1846
1847                 simpleDocBookOnePar(ofs, par, desc_on,
1848                                     depth + 1 + command_depth);
1849                 par = par->next();
1850
1851                 string end_tag;
1852                 // write closing SGML tags
1853                 switch (style->latextype) {
1854                 case LATEX_COMMAND:
1855                         end_tag = c_params.empty() ? "title" : c_params;
1856                         sgml::closeTag(ofs, depth + command_depth,
1857                                      false, end_tag);
1858                         break;
1859                 case LATEX_ENVIRONMENT:
1860                         if (!style->latexparam().empty()) {
1861                                 if (style->latexparam() == "CDATA")
1862                                         ofs << "]]>";
1863                                 else
1864                                         sgml::closeTag(ofs, depth + command_depth, false, style->latexparam());
1865                         }
1866                         break;
1867                 case LATEX_ITEM_ENVIRONMENT:
1868                         if (desc_on == 1) break;
1869                         end_tag = "para";
1870                         sgml::closeTag(ofs, depth + 1 + command_depth, false, end_tag);
1871                         break;
1872                 case LATEX_PARAGRAPH:
1873                         sgml::closeTag(ofs, depth + command_depth, false, style->latexname());
1874                         break;
1875                 default:
1876                         sgml::closeTag(ofs, depth + command_depth, false, style->latexname());
1877                         break;
1878                 }
1879         }
1880
1881         // Close open tags
1882         for (int d = depth; d >= 0; --d) {
1883                 if (!environment_stack[depth].empty()) {
1884                         if (environment_inner[depth] != "!-- --") {
1885                                 item_name = "listitem";
1886                                 sgml::closeTag(ofs, command_depth + depth, false, item_name);
1887                                if (environment_inner[depth] == "varlistentry")
1888                                        sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
1889                         }
1890
1891                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
1892                 }
1893         }
1894
1895         for (int j = command_depth; j >= 0 ; --j)
1896                 if (!command_stack[j].empty()) {
1897                         sgml::closeTag(ofs, j, false, command_stack[j]);
1898                         ofs << endl;
1899                 }
1900
1901         ofs << "\n\n";
1902         sgml::closeTag(ofs, 0, false, top_element);
1903
1904         ofs.close();
1905         // How to check for successful close
1906
1907         // we want this to be true outside previews (for insetexternal)
1908         niceFile = true;
1909 }
1910
1911
1912 void Buffer::simpleDocBookOnePar(ostream & os,
1913                                  Paragraph * par, int & desc_on,
1914                                  Paragraph::depth_type depth) const
1915 {
1916         bool emph_flag = false;
1917
1918         LyXLayout_ptr const & style = par->layout();
1919
1920         LyXFont font_old = (style->labeltype == LABEL_MANUAL ? style->labelfont : style->font);
1921
1922         int char_line_count = depth;
1923         //if (!style.free_spacing)
1924         //      os << string(depth,' ');
1925
1926         // parsing main loop
1927         for (pos_type i = 0; i < par->size(); ++i) {
1928                 LyXFont font = par->getFont(params, i);
1929
1930                 // handle <emphasis> tag
1931                 if (font_old.emph() != font.emph()) {
1932                         if (font.emph() == LyXFont::ON) {
1933                                 if (style->latexparam() == "CDATA")
1934                                         os << "]]>";
1935                                 os << "<emphasis>";
1936                                 if (style->latexparam() == "CDATA")
1937                                         os << "<![CDATA[";
1938                                 emph_flag = true;
1939                         } else if (i) {
1940                                 if (style->latexparam() == "CDATA")
1941                                         os << "]]>";
1942                                 os << "</emphasis>";
1943                                 if (style->latexparam() == "CDATA")
1944                                         os << "<![CDATA[";
1945                                 emph_flag = false;
1946                         }
1947                 }
1948
1949
1950                 if (par->isInset(i)) {
1951                         Inset * inset = par->getInset(i);
1952                         // don't print the inset in position 0 if desc_on == 3 (label)
1953                         if (i || desc_on != 3) {
1954                                 if (style->latexparam() == "CDATA")
1955                                         os << "]]>";
1956                                 inset->docbook(this, os, false);
1957                                 if (style->latexparam() == "CDATA")
1958                                         os << "<![CDATA[";
1959                         }
1960                 } else {
1961                         char c = par->getChar(i);
1962                         bool ws;
1963                         string str;
1964                         boost::tie(ws, str) = sgml::escapeChar(c);
1965
1966                         if (style->pass_thru) {
1967                                 os << c;
1968                         } else if (style->free_spacing || par->isFreeSpacing() || c != ' ') {
1969                                         os << str;
1970                         } else if (desc_on ==1) {
1971                                 ++char_line_count;
1972                                 os << "\n</term><listitem><para>";
1973                                 desc_on = 2;
1974                         } else {
1975                                 os << ' ';
1976                         }
1977                 }
1978                 font_old = font;
1979         }
1980
1981         if (emph_flag) {
1982                 if (style->latexparam() == "CDATA")
1983                         os << "]]>";
1984                 os << "</emphasis>";
1985                 if (style->latexparam() == "CDATA")
1986                         os << "<![CDATA[";
1987         }
1988
1989         // resets description flag correctly
1990         if (desc_on == 1) {
1991                 // <term> not closed...
1992                 os << "</term>\n<listitem><para>&nbsp;</para>";
1993         }
1994         if (style->free_spacing)
1995                 os << '\n';
1996 }
1997
1998
1999 // chktex should be run with these flags disabled: 3, 22, 25, 30, 38(?)
2000 // Other flags: -wall -v0 -x
2001 int Buffer::runChktex()
2002 {
2003         if (!users->text) return 0;
2004
2005         users->owner()->busy(true);
2006
2007         // get LaTeX-Filename
2008         string const name = getLatexName();
2009         string path = filePath();
2010
2011         string const org_path = path;
2012         if (lyxrc.use_tempdir || !IsDirWriteable(path)) {
2013                 path = tmppath;
2014         }
2015
2016         Path p(path); // path to LaTeX file
2017         users->owner()->message(_("Running chktex..."));
2018
2019         // Remove all error insets
2020         bool const removedErrorInsets = users->removeAutoInsets();
2021
2022         // Generate the LaTeX file if neccessary
2023         makeLaTeXFile(name, org_path, false);
2024
2025         TeXErrors terr;
2026         Chktex chktex(lyxrc.chktex_command, name, filePath());
2027         int res = chktex.run(terr); // run chktex
2028
2029         if (res == -1) {
2030                 Alert::error(_("chktex failure"),
2031                         _("Could not run chktex successfully."));
2032         } else if (res > 0) {
2033                 // Insert all errors as errors boxes
2034                 users->insertErrors(terr);
2035         }
2036
2037         // if we removed error insets before we ran chktex or if we inserted
2038         // error insets after we ran chktex, this must be run:
2039         if (removedErrorInsets || res) {
2040 #warning repaint needed here, or do you mean update() ?
2041                 users->repaint();
2042                 users->fitCursor();
2043         }
2044         users->owner()->busy(false);
2045
2046         return res;
2047 }
2048
2049
2050 void Buffer::validate(LaTeXFeatures & features) const
2051 {
2052         LyXTextClass const & tclass = params.getLyXTextClass();
2053
2054         if (params.tracking_changes) {
2055                 features.require("dvipost");
2056                 features.require("color");
2057         }
2058
2059         // AMS Style is at document level
2060         if (params.use_amsmath == BufferParams::AMS_ON
2061             || tclass.provides(LyXTextClass::amsmath))
2062                 features.require("amsmath");
2063
2064         for_each(paragraphs.begin(), paragraphs.end(),
2065                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
2066
2067         // the bullet shapes are buffer level not paragraph level
2068         // so they are tested here
2069         for (int i = 0; i < 4; ++i) {
2070                 if (params.user_defined_bullets[i] != ITEMIZE_DEFAULTS[i]) {
2071                         int const font = params.user_defined_bullets[i].getFont();
2072                         if (font == 0) {
2073                                 int const c = params
2074                                         .user_defined_bullets[i]
2075                                         .getCharacter();
2076                                 if (c == 16
2077                                    || c == 17
2078                                    || c == 25
2079                                    || c == 26
2080                                    || c == 31) {
2081                                         features.require("latexsym");
2082                                 }
2083                         } else if (font == 1) {
2084                                 features.require("amssymb");
2085                         } else if ((font >= 2 && font <= 5)) {
2086                                 features.require("pifont");
2087                         }
2088                 }
2089         }
2090
2091         if (lyxerr.debugging(Debug::LATEX)) {
2092                 features.showStruct();
2093         }
2094 }
2095
2096
2097 vector<string> const Buffer::getLabelList() const
2098 {
2099         /// if this is a child document and the parent is already loaded
2100         /// Use the parent's list instead  [ale990407]
2101         if (!params.parentname.empty()
2102             && bufferlist.exists(params.parentname)) {
2103                 Buffer const * tmp = bufferlist.getBuffer(params.parentname);
2104                 if (tmp)
2105                         return tmp->getLabelList();
2106         }
2107
2108         vector<string> label_list;
2109         for (inset_iterator it = inset_const_iterator_begin();
2110              it != inset_const_iterator_end(); ++it) {
2111                 vector<string> const l = it->getLabelList();
2112                 label_list.insert(label_list.end(), l.begin(), l.end());
2113         }
2114         return label_list;
2115 }
2116
2117
2118 // This is also a buffer property (ale)
2119 void Buffer::fillWithBibKeys(vector<pair<string, string> > & keys) const
2120 {
2121         /// if this is a child document and the parent is already loaded
2122         /// use the parent's list instead  [ale990412]
2123         if (!params.parentname.empty() && bufferlist.exists(params.parentname)) {
2124                 Buffer const * tmp = bufferlist.getBuffer(params.parentname);
2125                 if (tmp) {
2126                         tmp->fillWithBibKeys(keys);
2127                         return;
2128                 }
2129         }
2130
2131         for (inset_iterator it = inset_const_iterator_begin();
2132                 it != inset_const_iterator_end(); ++it) {
2133                 if (it->lyxCode() == Inset::BIBTEX_CODE)
2134                         static_cast<InsetBibtex &>(*it).fillWithBibKeys(this, keys);
2135                 else if (it->lyxCode() == Inset::INCLUDE_CODE)
2136                         static_cast<InsetInclude &>(*it).fillWithBibKeys(keys);
2137                 else if (it->lyxCode() == Inset::BIBITEM_CODE) {
2138                         InsetBibitem & bib = static_cast<InsetBibitem &>(*it);
2139                         string const key = bib.getContents();
2140                         string const opt = bib.getOptions();
2141                         string const ref; // = pit->asString(this, false);
2142                         string const info = opt + "TheBibliographyRef" + ref;
2143                         keys.push_back(pair<string, string>(key, info));
2144                 }
2145         }
2146 }
2147
2148
2149 bool Buffer::isDepClean(string const & name) const
2150 {
2151         DepClean::const_iterator it = dep_clean_.find(name);
2152         if (it == dep_clean_.end())
2153                 return true;
2154         return it->second;
2155 }
2156
2157
2158 void Buffer::markDepClean(string const & name)
2159 {
2160         dep_clean_[name] = true;
2161 }
2162
2163
2164 bool Buffer::dispatch(string const & command, bool * result)
2165 {
2166         // Split command string into command and argument
2167         string cmd;
2168         string line = ltrim(command);
2169         string const arg = trim(split(line, cmd, ' '));
2170
2171         return dispatch(lyxaction.LookupFunc(cmd), arg, result);
2172 }
2173
2174
2175 bool Buffer::dispatch(int action, string const & argument, bool * result)
2176 {
2177         bool dispatched = true;
2178
2179         switch (action) {
2180                 case LFUN_EXPORT: {
2181                         bool const tmp = Exporter::Export(this, argument, false);
2182                         if (result)
2183                                 *result = tmp;
2184                         break;
2185                 }
2186
2187                 default:
2188                         dispatched = false;
2189         }
2190         return dispatched;
2191 }
2192
2193
2194 void Buffer::resizeInsets(BufferView * bv)
2195 {
2196         /// then remove all LyXText in text-insets
2197         for_each(paragraphs.begin(), paragraphs.end(),
2198                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
2199 }
2200
2201
2202 void Buffer::redraw()
2203 {
2204 #warning repaint needed here, or do you mean update() ?
2205         users->repaint();
2206         users->fitCursor();
2207 }
2208
2209
2210 void Buffer::changeLanguage(Language const * from, Language const * to)
2211 {
2212
2213         ParIterator end = par_iterator_end();
2214         for (ParIterator it = par_iterator_begin(); it != end; ++it)
2215                 (*it)->changeLanguage(params, from, to);
2216 }
2217
2218
2219 bool Buffer::isMultiLingual()
2220 {
2221         ParIterator end = par_iterator_end();
2222         for (ParIterator it = par_iterator_begin(); it != end; ++it)
2223                 if ((*it)->isMultiLingual(params))
2224                         return true;
2225
2226         return false;
2227 }
2228
2229
2230 void Buffer::inset_iterator::setParagraph()
2231 {
2232         while (pit != pend) {
2233                 it = pit->insetlist.begin();
2234                 if (it != pit->insetlist.end())
2235                         return;
2236                 ++pit;
2237         }
2238 }
2239
2240
2241 Inset * Buffer::getInsetFromID(int id_arg) const
2242 {
2243         for (inset_iterator it = inset_const_iterator_begin();
2244                  it != inset_const_iterator_end(); ++it)
2245         {
2246                 if (it->id() == id_arg)
2247                         return &(*it);
2248                 Inset * in = it->getInsetFromID(id_arg);
2249                 if (in)
2250                         return in;
2251         }
2252         return 0;
2253 }
2254
2255
2256 Paragraph * Buffer::getParFromID(int id) const
2257 {
2258         if (id < 0)
2259                 return 0;
2260
2261         // why should we allow < 0 ??
2262         //lyx::Assert(id >= 0);
2263
2264         ParConstIterator it(par_iterator_begin());
2265         ParConstIterator end(par_iterator_end());
2266
2267         for (; it != end; ++it) {
2268                 // go on then, show me how to remove
2269                 // the cast
2270                 if ((*it)->id() == id) {
2271                         return const_cast<Paragraph*>(*it);
2272                 }
2273         }
2274
2275         return 0;
2276 }
2277
2278
2279 ParIterator Buffer::par_iterator_begin()
2280 {
2281         return ParIterator(&*(paragraphs.begin()));
2282 }
2283
2284
2285 ParIterator Buffer::par_iterator_end()
2286 {
2287         return ParIterator();
2288 }
2289
2290 ParConstIterator Buffer::par_iterator_begin() const
2291 {
2292         return ParConstIterator(&*(paragraphs.begin()));
2293 }
2294
2295
2296 ParConstIterator Buffer::par_iterator_end() const
2297 {
2298         return ParConstIterator();
2299 }
2300
2301
2302
2303 void Buffer::addUser(BufferView * u)
2304 {
2305         users = u;
2306 }
2307
2308
2309 void Buffer::delUser(BufferView *)
2310 {
2311         users = 0;
2312 }
2313
2314
2315 Language const * Buffer::getLanguage() const
2316 {
2317         return params.language;
2318 }
2319
2320
2321 bool Buffer::isClean() const
2322 {
2323         return lyx_clean;
2324 }
2325
2326
2327 bool Buffer::isBakClean() const
2328 {
2329         return bak_clean;
2330 }
2331
2332
2333 void Buffer::markClean() const
2334 {
2335         if (!lyx_clean) {
2336                 lyx_clean = true;
2337                 updateTitles();
2338         }
2339         // if the .lyx file has been saved, we don't need an
2340         // autosave
2341         bak_clean = true;
2342 }
2343
2344
2345 void Buffer::markBakClean()
2346 {
2347         bak_clean = true;
2348 }
2349
2350
2351 void Buffer::setUnnamed(bool flag)
2352 {
2353         unnamed = flag;
2354 }
2355
2356
2357 bool Buffer::isUnnamed()
2358 {
2359         return unnamed;
2360 }
2361
2362
2363 void Buffer::markDirty()
2364 {
2365         if (lyx_clean) {
2366                 lyx_clean = false;
2367                 updateTitles();
2368         }
2369         bak_clean = false;
2370
2371         DepClean::iterator it = dep_clean_.begin();
2372         DepClean::const_iterator const end = dep_clean_.end();
2373
2374         for (; it != end; ++it) {
2375                 it->second = false;
2376         }
2377 }
2378
2379
2380 string const & Buffer::fileName() const
2381 {
2382         return filename_;
2383 }
2384
2385
2386 string const & Buffer::filePath() const
2387 {
2388         return filepath_;
2389 }
2390
2391
2392 bool Buffer::isReadonly() const
2393 {
2394         return read_only;
2395 }
2396
2397
2398 BufferView * Buffer::getUser() const
2399 {
2400         return users;
2401 }
2402
2403
2404 void Buffer::setParentName(string const & name)
2405 {
2406         params.parentname = name;
2407 }
2408
2409
2410 Buffer::inset_iterator::inset_iterator()
2411         : pit(0), pend(0)
2412 {}
2413
2414
2415 Buffer::inset_iterator::inset_iterator(base_type p, base_type e)
2416         : pit(p), pend(e)
2417 {
2418         setParagraph();
2419 }
2420
2421
2422 Buffer::inset_iterator & Buffer::inset_iterator::operator++()
2423 {
2424         if (pit != pend) {
2425                 ++it;
2426                 if (it == pit->insetlist.end()) {
2427                         ++pit;
2428                         setParagraph();
2429                 }
2430         }
2431         return *this;
2432 }
2433
2434
2435 Buffer::inset_iterator Buffer::inset_iterator::operator++(int)
2436 {
2437         inset_iterator tmp = *this;
2438         ++*this;
2439         return tmp;
2440 }
2441
2442
2443 Buffer::inset_iterator::reference Buffer::inset_iterator::operator*()
2444 {
2445         return *it.getInset();
2446 }
2447
2448
2449 Buffer::inset_iterator::pointer Buffer::inset_iterator::operator->()
2450 {
2451         return it.getInset();
2452 }
2453
2454
2455 Paragraph * Buffer::inset_iterator::getPar()
2456 {
2457         return &(*pit);
2458 }
2459
2460
2461 lyx::pos_type Buffer::inset_iterator::getPos() const
2462 {
2463         return it.getPos();
2464 }
2465
2466
2467 bool operator==(Buffer::inset_iterator const & iter1,
2468                 Buffer::inset_iterator const & iter2)
2469 {
2470         return iter1.pit == iter2.pit
2471                 && (iter1.pit == iter1.pend || iter1.it == iter2.it);
2472 }
2473
2474
2475 bool operator!=(Buffer::inset_iterator const & iter1,
2476                 Buffer::inset_iterator const & iter2)
2477 {
2478         return !(iter1 == iter2);
2479 }