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         string item_name;
1215         vector<string> environment_stack(5);
1216
1217         ParagraphList::iterator pit = paragraphs.begin();
1218         ParagraphList::iterator pend = paragraphs.end();
1219         for (; pit != pend; ++pit) {
1220                 LyXLayout_ptr const & style = pit->layout();
1221                 // treat <toc> as a special case for compatibility with old code
1222                 if (pit->isInset(0)) {
1223                         Inset * inset = pit->getInset(0);
1224                         Inset::Code lyx_code = inset->lyxCode();
1225                         if (lyx_code == Inset::TOC_CODE) {
1226                                 string const temp = "toc";
1227                                 sgml::openTag(ofs, depth, false, temp);
1228                                 continue;
1229                         }
1230                 }
1231
1232                 // environment tag closing
1233                 for (; depth > pit->params().depth(); --depth) {
1234                         sgml::closeTag(ofs, depth, false, environment_stack[depth]);
1235                         environment_stack[depth].erase();
1236                 }
1237
1238                 // write opening SGML tags
1239                 switch (style->latextype) {
1240                 case LATEX_PARAGRAPH:
1241                         if (depth == pit->params().depth()
1242                            && !environment_stack[depth].empty()) {
1243                                 sgml::closeTag(ofs, depth, false, environment_stack[depth]);
1244                                 environment_stack[depth].erase();
1245                                 if (depth)
1246                                         --depth;
1247                                 else
1248                                         ofs << "</p>";
1249                         }
1250                         sgml::openTag(ofs, depth, false, style->latexname());
1251                         break;
1252
1253                 case LATEX_COMMAND:
1254                         if (depth != 0)
1255                                 sgmlError(&*pit, 0,
1256                                           _("Error: Wrong depth for LatexType Command.\n"));
1257
1258                         if (!environment_stack[depth].empty()) {
1259                                 sgml::closeTag(ofs, depth, false, environment_stack[depth]);
1260                                 ofs << "</p>";
1261                         }
1262
1263                         environment_stack[depth].erase();
1264                         sgml::openTag(ofs, depth, false, style->latexname());
1265                         break;
1266
1267                 case LATEX_ENVIRONMENT:
1268                 case LATEX_ITEM_ENVIRONMENT:
1269                 case LATEX_BIB_ENVIRONMENT:
1270                 {
1271                         string const & latexname = style->latexname();
1272
1273                         if (depth == pit->params().depth()
1274                             && environment_stack[depth] != latexname) {
1275                                 sgml::closeTag(ofs, depth, false,
1276                                              environment_stack[depth]);
1277                                 environment_stack[depth].erase();
1278                         }
1279                         if (depth < pit->params().depth()) {
1280                                depth = pit->params().depth();
1281                                environment_stack[depth].erase();
1282                         }
1283                         if (environment_stack[depth] != latexname) {
1284                                 if (depth == 0) {
1285                                         sgml::openTag(ofs, depth, false, "p");
1286                                 }
1287                                 sgml::openTag(ofs, depth, false, latexname);
1288
1289                                 if (environment_stack.size() == depth + 1)
1290                                         environment_stack.push_back("!-- --");
1291                                 environment_stack[depth] = latexname;
1292                         }
1293
1294                         if (style->latexparam() == "CDATA")
1295                                 ofs << "<![CDATA[";
1296
1297                         if (style->latextype == LATEX_ENVIRONMENT) break;
1298
1299                         if (style->labeltype == LABEL_MANUAL)
1300                                 item_name = "tag";
1301                         else
1302                                 item_name = "item";
1303
1304                         sgml::openTag(ofs, depth + 1, false, item_name);
1305                 }
1306                 break;
1307
1308                 default:
1309                         sgml::openTag(ofs, depth, false, style->latexname());
1310                         break;
1311                 }
1312
1313                 simpleLinuxDocOnePar(ofs, &*pit, depth);
1314
1315                 ofs << "\n";
1316                 // write closing SGML tags
1317                 switch (style->latextype) {
1318                 case LATEX_COMMAND:
1319                         break;
1320                 case LATEX_ENVIRONMENT:
1321                 case LATEX_ITEM_ENVIRONMENT:
1322                 case LATEX_BIB_ENVIRONMENT:
1323                         if (style->latexparam() == "CDATA")
1324                                 ofs << "]]>";
1325                         break;
1326                 default:
1327                         sgml::closeTag(ofs, depth, false, style->latexname());
1328                         break;
1329                 }
1330         }
1331
1332         // Close open tags
1333         for (int i = depth; i >= 0; --i)
1334                 sgml::closeTag(ofs, depth, false, environment_stack[i]);
1335
1336         if (!body_only) {
1337                 ofs << "\n\n";
1338                 sgml::closeTag(ofs, 0, false, top_element);
1339         }
1340
1341         ofs.close();
1342         // How to check for successful close
1343
1344         // we want this to be true outside previews (for insetexternal)
1345         niceFile = true;
1346 }
1347
1348
1349 // checks, if newcol chars should be put into this line
1350 // writes newline, if necessary.
1351 namespace {
1352
1353 void sgmlLineBreak(ostream & os, string::size_type & colcount,
1354                           string::size_type newcol)
1355 {
1356         colcount += newcol;
1357         if (colcount > lyxrc.ascii_linelen) {
1358                 os << "\n";
1359                 colcount = newcol; // assume write after this call
1360         }
1361 }
1362
1363 enum PAR_TAG {
1364         NONE=0,
1365         TT = 1,
1366         SF = 2,
1367         BF = 4,
1368         IT = 8,
1369         SL = 16,
1370         EM = 32
1371 };
1372
1373
1374 string tag_name(PAR_TAG const & pt) {
1375         switch (pt) {
1376         case NONE: return "!-- --";
1377         case TT: return "tt";
1378         case SF: return "sf";
1379         case BF: return "bf";
1380         case IT: return "it";
1381         case SL: return "sl";
1382         case EM: return "em";
1383         }
1384         return "";
1385 }
1386
1387
1388 inline
1389 void operator|=(PAR_TAG & p1, PAR_TAG const & p2)
1390 {
1391         p1 = static_cast<PAR_TAG>(p1 | p2);
1392 }
1393
1394
1395 inline
1396 void reset(PAR_TAG & p1, PAR_TAG const & p2)
1397 {
1398         p1 = static_cast<PAR_TAG>(p1 & ~p2);
1399 }
1400
1401 } // anon
1402
1403
1404 // Handle internal paragraph parsing -- layout already processed.
1405 void Buffer::simpleLinuxDocOnePar(ostream & os,
1406         Paragraph * par,
1407         Paragraph::depth_type /*depth*/)
1408 {
1409         LyXLayout_ptr const & style = par->layout();
1410
1411         string::size_type char_line_count = 5;     // Heuristic choice ;-)
1412
1413         // gets paragraph main font
1414         LyXFont font_old;
1415         bool desc_on;
1416         if (style->labeltype == LABEL_MANUAL) {
1417                 font_old = style->labelfont;
1418                 desc_on = true;
1419         } else {
1420                 font_old = style->font;
1421                 desc_on = false;
1422         }
1423
1424         LyXFont::FONT_FAMILY family_type = LyXFont::ROMAN_FAMILY;
1425         LyXFont::FONT_SERIES series_type = LyXFont::MEDIUM_SERIES;
1426         LyXFont::FONT_SHAPE  shape_type  = LyXFont::UP_SHAPE;
1427         bool is_em = false;
1428
1429         stack<PAR_TAG> tag_state;
1430         // parsing main loop
1431         for (pos_type i = 0; i < par->size(); ++i) {
1432
1433                 PAR_TAG tag_close = NONE;
1434                 list < PAR_TAG > tag_open;
1435
1436                 LyXFont const font = par->getFont(params, i);
1437
1438                 if (font_old.family() != font.family()) {
1439                         switch (family_type) {
1440                         case LyXFont::SANS_FAMILY:
1441                                 tag_close |= SF;
1442                                 break;
1443                         case LyXFont::TYPEWRITER_FAMILY:
1444                                 tag_close |= TT;
1445                                 break;
1446                         default:
1447                                 break;
1448                         }
1449
1450                         family_type = font.family();
1451
1452                         switch (family_type) {
1453                         case LyXFont::SANS_FAMILY:
1454                                 tag_open.push_back(SF);
1455                                 break;
1456                         case LyXFont::TYPEWRITER_FAMILY:
1457                                 tag_open.push_back(TT);
1458                                 break;
1459                         default:
1460                                 break;
1461                         }
1462                 }
1463
1464                 if (font_old.series() != font.series()) {
1465                         switch (series_type) {
1466                         case LyXFont::BOLD_SERIES:
1467                                 tag_close |= BF;
1468                                 break;
1469                         default:
1470                                 break;
1471                         }
1472
1473                         series_type = font.series();
1474
1475                         switch (series_type) {
1476                         case LyXFont::BOLD_SERIES:
1477                                 tag_open.push_back(BF);
1478                                 break;
1479                         default:
1480                                 break;
1481                         }
1482
1483                 }
1484
1485                 if (font_old.shape() != font.shape()) {
1486                         switch (shape_type) {
1487                         case LyXFont::ITALIC_SHAPE:
1488                                 tag_close |= IT;
1489                                 break;
1490                         case LyXFont::SLANTED_SHAPE:
1491                                 tag_close |= SL;
1492                                 break;
1493                         default:
1494                                 break;
1495                         }
1496
1497                         shape_type = font.shape();
1498
1499                         switch (shape_type) {
1500                         case LyXFont::ITALIC_SHAPE:
1501                                 tag_open.push_back(IT);
1502                                 break;
1503                         case LyXFont::SLANTED_SHAPE:
1504                                 tag_open.push_back(SL);
1505                                 break;
1506                         default:
1507                                 break;
1508                         }
1509                 }
1510                 // handle <em> tag
1511                 if (font_old.emph() != font.emph()) {
1512                         if (font.emph() == LyXFont::ON) {
1513                                 tag_open.push_back(EM);
1514                                 is_em = true;
1515                         }
1516                         else if (is_em) {
1517                                 tag_close |= EM;
1518                                 is_em = false;
1519                         }
1520                 }
1521
1522                 list < PAR_TAG > temp;
1523                 while (!tag_state.empty() && tag_close) {
1524                         PAR_TAG k =  tag_state.top();
1525                         tag_state.pop();
1526                         os << "</" << tag_name(k) << '>';
1527                         if (tag_close & k)
1528                                 reset(tag_close,k);
1529                         else
1530                                 temp.push_back(k);
1531                 }
1532
1533                 for(list< PAR_TAG >::const_iterator j = temp.begin();
1534                     j != temp.end(); ++j) {
1535                         tag_state.push(*j);
1536                         os << '<' << tag_name(*j) << '>';
1537                 }
1538
1539                 for(list< PAR_TAG >::const_iterator j = tag_open.begin();
1540                     j != tag_open.end(); ++j) {
1541                         tag_state.push(*j);
1542                         os << '<' << tag_name(*j) << '>';
1543                 }
1544
1545                 char c = par->getChar(i);
1546
1547                 if (c == Paragraph::META_INSET) {
1548                         Inset * inset = par->getInset(i);
1549                         inset->linuxdoc(this, os);
1550                         font_old = font;
1551                         continue;
1552                 }
1553
1554                 if (style->latexparam() == "CDATA") {
1555                         // "TeX"-Mode on == > SGML-Mode on.
1556                         if (c != '\0')
1557                                 os << c;
1558                         ++char_line_count;
1559                 } else {
1560                         bool ws;
1561                         string str;
1562                         boost::tie(ws, str) = sgml::escapeChar(c);
1563                         if (ws && !style->free_spacing && !par->isFreeSpacing()) {
1564                                 // in freespacing mode, spaces are
1565                                 // non-breaking characters
1566                                 if (desc_on) {// if char is ' ' then...
1567
1568                                         ++char_line_count;
1569                                         sgmlLineBreak(os, char_line_count, 6);
1570                                         os << "</tag>";
1571                                         desc_on = false;
1572                                 } else  {
1573                                         sgmlLineBreak(os, char_line_count, 1);
1574                                         os << c;
1575                                 }
1576                         } else {
1577                                 os << str;
1578                                 char_line_count += str.length();
1579                         }
1580                 }
1581                 font_old = font;
1582         }
1583
1584         while (!tag_state.empty()) {
1585                 os << "</" << tag_name(tag_state.top()) << '>';
1586                 tag_state.pop();
1587         }
1588
1589         // resets description flag correctly
1590         if (desc_on) {
1591                 // <tag> not closed...
1592                 sgmlLineBreak(os, char_line_count, 6);
1593                 os << "</tag>";
1594         }
1595 }
1596
1597
1598 // Print an error message.
1599 void Buffer::sgmlError(Paragraph * /*par*/, int /*pos*/,
1600         string const & /*message*/) const
1601 {
1602 #ifdef WITH_WARNINGS
1603 #warning This is wrong we cannot insert an inset like this!!!
1604         // I guess this was Jose' so I explain you more or less why this
1605         // is wrong. This way you insert something in the paragraph and
1606         // don't tell it to LyXText (row rebreaking and undo handling!!!)
1607         // I deactivate this code, have a look at BufferView::insertErrors
1608         // how you should do this correctly! (Jug 20020315)
1609 #endif
1610 #if 0
1611         // insert an error marker in text
1612         InsetError * new_inset = new InsetError(message);
1613         par->insertInset(pos, new_inset, LyXFont(LyXFont::ALL_INHERIT,
1614                          params.language));
1615 #endif
1616 }
1617
1618
1619 void Buffer::makeDocBookFile(string const & fname, bool nice, bool only_body)
1620 {
1621         ofstream ofs(fname.c_str());
1622         if (!ofs) {
1623                 string const file = MakeDisplayPath(fname, 50);
1624 #if USE_BOOST_FORMAT
1625                 boost::format fmt(_("Could not save the specified document\n%1$s.\n"));
1626                 fmt % file;
1627                 string text = fmt.str();
1628 #else
1629                 string text = _("Could not save the specified document\n");
1630                 text += file + _(".\n");
1631 #endif
1632                 Alert::error(_("Could not save document"), text);
1633                 return;
1634                 return;
1635         }
1636
1637         Paragraph * par = &*(paragraphs.begin());
1638
1639         niceFile = nice; // this will be used by Insetincludes.
1640
1641         LaTeXFeatures features(params);
1642         validate(features);
1643
1644         texrow.reset();
1645
1646         LyXTextClass const & tclass = params.getLyXTextClass();
1647         string top_element = tclass.latexname();
1648
1649         if (!only_body) {
1650                 ofs << "<!DOCTYPE " << top_element
1651                     << "  PUBLIC \"-//OASIS//DTD DocBook V4.1//EN\"";
1652
1653                 string preamble = params.preamble;
1654                 const string name = nice ? ChangeExtension(filename_, ".sgml")
1655                          : fname;
1656                 preamble += features.getIncludedFiles(name);
1657                 preamble += features.getLyXSGMLEntities();
1658
1659                 if (!preamble.empty()) {
1660                         ofs << "\n [ " << preamble << " ]";
1661                 }
1662                 ofs << ">\n\n";
1663         }
1664
1665         string top = top_element;
1666         top += " lang=\"";
1667         top += params.language->code();
1668         top += '"';
1669
1670         if (!params.options.empty()) {
1671                 top += ' ';
1672                 top += params.options;
1673         }
1674         sgml::openTag(ofs, 0, false, top);
1675
1676         ofs << "<!-- DocBook file was created by " << lyx_docversion
1677             << "\n  See http://www.lyx.org/ for more information -->\n";
1678
1679         vector<string> environment_stack(10);
1680         vector<string> environment_inner(10);
1681         vector<string> command_stack(10);
1682
1683         bool command_flag = false;
1684         Paragraph::depth_type command_depth = 0;
1685         Paragraph::depth_type command_base = 0;
1686         Paragraph::depth_type cmd_depth = 0;
1687         Paragraph::depth_type depth = 0; // paragraph depth
1688
1689         string item_name;
1690         string command_name;
1691
1692         while (par) {
1693                 string sgmlparam;
1694                 string c_depth;
1695                 string c_params;
1696                 int desc_on = 0; // description mode
1697
1698                 LyXLayout_ptr const & style = par->layout();
1699
1700                 // environment tag closing
1701                 for (; depth > par->params().depth(); --depth) {
1702                         if (environment_inner[depth] != "!-- --") {
1703                                 item_name = "listitem";
1704                                 sgml::closeTag(ofs, command_depth + depth, false, item_name);
1705                                 if (environment_inner[depth] == "varlistentry")
1706                                         sgml::closeTag(ofs, depth+command_depth, false, environment_inner[depth]);
1707                         }
1708                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
1709                         environment_stack[depth].erase();
1710                         environment_inner[depth].erase();
1711                 }
1712
1713                 if (depth == par->params().depth()
1714                    && environment_stack[depth] != style->latexname()
1715                    && !environment_stack[depth].empty()) {
1716                         if (environment_inner[depth] != "!-- --") {
1717                                 item_name= "listitem";
1718                                 sgml::closeTag(ofs, command_depth+depth, false, item_name);
1719                                 if (environment_inner[depth] == "varlistentry")
1720                                         sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
1721                         }
1722
1723                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
1724
1725                         environment_stack[depth].erase();
1726                         environment_inner[depth].erase();
1727                 }
1728
1729                 // Write opening SGML tags.
1730                 switch (style->latextype) {
1731                 case LATEX_PARAGRAPH:
1732                         sgml::openTag(ofs, depth + command_depth,
1733                                     false, style->latexname());
1734                         break;
1735
1736                 case LATEX_COMMAND:
1737                         if (depth != 0)
1738                                 sgmlError(par, 0,
1739                                           _("Error: Wrong depth for LatexType Command.\n"));
1740
1741                         command_name = style->latexname();
1742
1743                         sgmlparam = style->latexparam();
1744                         c_params = split(sgmlparam, c_depth,'|');
1745
1746                         cmd_depth = lyx::atoi(c_depth);
1747
1748                         if (command_flag) {
1749                                 if (cmd_depth < command_base) {
1750                                         for (Paragraph::depth_type j = command_depth;
1751                                              j >= command_base; --j) {
1752                                                 sgml::closeTag(ofs, j, false, command_stack[j]);
1753                                                 ofs << endl;
1754                                         }
1755                                         command_depth = command_base = cmd_depth;
1756                                 } else if (cmd_depth <= command_depth) {
1757                                         for (int j = command_depth;
1758                                              j >= int(cmd_depth); --j) {
1759                                                 sgml::closeTag(ofs, j, false, command_stack[j]);
1760                                                 ofs << endl;
1761                                         }
1762                                         command_depth = cmd_depth;
1763                                 } else
1764                                         command_depth = cmd_depth;
1765                         } else {
1766                                 command_depth = command_base = cmd_depth;
1767                                 command_flag = true;
1768                         }
1769                         if (command_stack.size() == command_depth + 1)
1770                                 command_stack.push_back(string());
1771                         command_stack[command_depth] = command_name;
1772
1773                         // treat label as a special case for
1774                         // more WYSIWYM handling.
1775                         // This is a hack while paragraphs can't have
1776                         // attributes, like id in this case.
1777                         if (par->isInset(0)) {
1778                                 Inset * inset = par->getInset(0);
1779                                 Inset::Code lyx_code = inset->lyxCode();
1780                                 if (lyx_code == Inset::LABEL_CODE) {
1781                                         command_name += " id=\"";
1782                                         command_name += (static_cast<InsetCommand *>(inset))->getContents();
1783                                         command_name += '"';
1784                                         desc_on = 3;
1785                                 }
1786                         }
1787
1788                         sgml::openTag(ofs, depth + command_depth, false, command_name);
1789
1790                         item_name = c_params.empty() ? "title" : c_params;
1791                         sgml::openTag(ofs, depth + 1 + command_depth, false, item_name);
1792                         break;
1793
1794                 case LATEX_ENVIRONMENT:
1795                 case LATEX_ITEM_ENVIRONMENT:
1796                         if (depth < par->params().depth()) {
1797                                 depth = par->params().depth();
1798                                 environment_stack[depth].erase();
1799                         }
1800
1801                         if (environment_stack[depth] != style->latexname()) {
1802                                 if (environment_stack.size() == depth + 1) {
1803                                         environment_stack.push_back("!-- --");
1804                                         environment_inner.push_back("!-- --");
1805                                 }
1806                                 environment_stack[depth] = style->latexname();
1807                                 environment_inner[depth] = "!-- --";
1808                                 sgml::openTag(ofs, depth + command_depth, false, environment_stack[depth]);
1809                         } else {
1810                                 if (environment_inner[depth] != "!-- --") {
1811                                         item_name= "listitem";
1812                                         sgml::closeTag(ofs, command_depth + depth, false, item_name);
1813                                         if (environment_inner[depth] == "varlistentry")
1814                                                 sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
1815                                 }
1816                         }
1817
1818                         if (style->latextype == LATEX_ENVIRONMENT) {
1819                                 if (!style->latexparam().empty()) {
1820                                         if (style->latexparam() == "CDATA")
1821                                                 ofs << "<![CDATA[";
1822                                         else
1823                                                 sgml::openTag(ofs, depth + command_depth, false, style->latexparam());
1824                                 }
1825                                 break;
1826                         }
1827
1828                         desc_on = (style->labeltype == LABEL_MANUAL);
1829
1830                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1831                         sgml::openTag(ofs, depth + 1 + command_depth,
1832                                     false, environment_inner[depth]);
1833
1834                         item_name = desc_on ? "term" : "para";
1835                         sgml::openTag(ofs, depth + 1 + command_depth,
1836                                     false, item_name);
1837                         break;
1838                 default:
1839                         sgml::openTag(ofs, depth + command_depth,
1840                                     false, style->latexname());
1841                         break;
1842                 }
1843
1844                 simpleDocBookOnePar(ofs, par, desc_on,
1845                                     depth + 1 + command_depth);
1846                 par = par->next();
1847
1848                 string end_tag;
1849                 // write closing SGML tags
1850                 switch (style->latextype) {
1851                 case LATEX_COMMAND:
1852                         end_tag = c_params.empty() ? "title" : c_params;
1853                         sgml::closeTag(ofs, depth + command_depth,
1854                                      false, end_tag);
1855                         break;
1856                 case LATEX_ENVIRONMENT:
1857                         if (!style->latexparam().empty()) {
1858                                 if (style->latexparam() == "CDATA")
1859                                         ofs << "]]>";
1860                                 else
1861                                         sgml::closeTag(ofs, depth + command_depth, false, style->latexparam());
1862                         }
1863                         break;
1864                 case LATEX_ITEM_ENVIRONMENT:
1865                         if (desc_on == 1) break;
1866                         end_tag = "para";
1867                         sgml::closeTag(ofs, depth + 1 + command_depth, false, end_tag);
1868                         break;
1869                 case LATEX_PARAGRAPH:
1870                         sgml::closeTag(ofs, depth + command_depth, false, style->latexname());
1871                         break;
1872                 default:
1873                         sgml::closeTag(ofs, depth + command_depth, false, style->latexname());
1874                         break;
1875                 }
1876         }
1877
1878         // Close open tags
1879         for (int d = depth; d >= 0; --d) {
1880                 if (!environment_stack[depth].empty()) {
1881                         if (environment_inner[depth] != "!-- --") {
1882                                 item_name = "listitem";
1883                                 sgml::closeTag(ofs, command_depth + depth, false, item_name);
1884                                if (environment_inner[depth] == "varlistentry")
1885                                        sgml::closeTag(ofs, depth + command_depth, false, environment_inner[depth]);
1886                         }
1887
1888                         sgml::closeTag(ofs, depth + command_depth, false, environment_stack[depth]);
1889                 }
1890         }
1891
1892         for (int j = command_depth; j >= 0 ; --j)
1893                 if (!command_stack[j].empty()) {
1894                         sgml::closeTag(ofs, j, false, command_stack[j]);
1895                         ofs << endl;
1896                 }
1897
1898         ofs << "\n\n";
1899         sgml::closeTag(ofs, 0, false, top_element);
1900
1901         ofs.close();
1902         // How to check for successful close
1903
1904         // we want this to be true outside previews (for insetexternal)
1905         niceFile = true;
1906 }
1907
1908
1909 void Buffer::simpleDocBookOnePar(ostream & os,
1910                                  Paragraph * par, int & desc_on,
1911                                  Paragraph::depth_type depth) const
1912 {
1913         bool emph_flag = false;
1914
1915         LyXLayout_ptr const & style = par->layout();
1916
1917         LyXFont font_old = (style->labeltype == LABEL_MANUAL ? style->labelfont : style->font);
1918
1919         int char_line_count = depth;
1920         //if (!style.free_spacing)
1921         //      os << string(depth,' ');
1922
1923         // parsing main loop
1924         for (pos_type i = 0; i < par->size(); ++i) {
1925                 LyXFont font = par->getFont(params, i);
1926
1927                 // handle <emphasis> tag
1928                 if (font_old.emph() != font.emph()) {
1929                         if (font.emph() == LyXFont::ON) {
1930                                 if (style->latexparam() == "CDATA")
1931                                         os << "]]>";
1932                                 os << "<emphasis>";
1933                                 if (style->latexparam() == "CDATA")
1934                                         os << "<![CDATA[";
1935                                 emph_flag = true;
1936                         } else if (i) {
1937                                 if (style->latexparam() == "CDATA")
1938                                         os << "]]>";
1939                                 os << "</emphasis>";
1940                                 if (style->latexparam() == "CDATA")
1941                                         os << "<![CDATA[";
1942                                 emph_flag = false;
1943                         }
1944                 }
1945
1946
1947                 if (par->isInset(i)) {
1948                         Inset * inset = par->getInset(i);
1949                         // don't print the inset in position 0 if desc_on == 3 (label)
1950                         if (i || desc_on != 3) {
1951                                 if (style->latexparam() == "CDATA")
1952                                         os << "]]>";
1953                                 inset->docbook(this, os, false);
1954                                 if (style->latexparam() == "CDATA")
1955                                         os << "<![CDATA[";
1956                         }
1957                 } else {
1958                         char c = par->getChar(i);
1959                         bool ws;
1960                         string str;
1961                         boost::tie(ws, str) = sgml::escapeChar(c);
1962
1963                         if (style->pass_thru) {
1964                                 os << c;
1965                         } else if (style->free_spacing || par->isFreeSpacing() || c != ' ') {
1966                                         os << str;
1967                         } else if (desc_on ==1) {
1968                                 ++char_line_count;
1969                                 os << "\n</term><listitem><para>";
1970                                 desc_on = 2;
1971                         } else {
1972                                 os << ' ';
1973                         }
1974                 }
1975                 font_old = font;
1976         }
1977
1978         if (emph_flag) {
1979                 if (style->latexparam() == "CDATA")
1980                         os << "]]>";
1981                 os << "</emphasis>";
1982                 if (style->latexparam() == "CDATA")
1983                         os << "<![CDATA[";
1984         }
1985
1986         // resets description flag correctly
1987         if (desc_on == 1) {
1988                 // <term> not closed...
1989                 os << "</term>\n<listitem><para>&nbsp;</para>";
1990         }
1991         if (style->free_spacing)
1992                 os << '\n';
1993 }
1994
1995
1996 // chktex should be run with these flags disabled: 3, 22, 25, 30, 38(?)
1997 // Other flags: -wall -v0 -x
1998 int Buffer::runChktex()
1999 {
2000         if (!users->text) return 0;
2001
2002         users->owner()->busy(true);
2003
2004         // get LaTeX-Filename
2005         string const name = getLatexName();
2006         string path = filePath();
2007
2008         string const org_path = path;
2009         if (lyxrc.use_tempdir || !IsDirWriteable(path)) {
2010                 path = tmppath;
2011         }
2012
2013         Path p(path); // path to LaTeX file
2014         users->owner()->message(_("Running chktex..."));
2015
2016         // Remove all error insets
2017         bool const removedErrorInsets = users->removeAutoInsets();
2018
2019         // Generate the LaTeX file if neccessary
2020         makeLaTeXFile(name, org_path, false);
2021
2022         TeXErrors terr;
2023         Chktex chktex(lyxrc.chktex_command, name, filePath());
2024         int res = chktex.run(terr); // run chktex
2025
2026         if (res == -1) {
2027                 Alert::error(_("chktex failure"),
2028                         _("Could not run chktex successfully."));
2029         } else if (res > 0) {
2030                 // Insert all errors as errors boxes
2031                 users->insertErrors(terr);
2032         }
2033
2034         // if we removed error insets before we ran chktex or if we inserted
2035         // error insets after we ran chktex, this must be run:
2036         if (removedErrorInsets || res) {
2037 #warning repaint needed here, or do you mean update() ?
2038                 users->repaint();
2039                 users->fitCursor();
2040         }
2041         users->owner()->busy(false);
2042
2043         return res;
2044 }
2045
2046
2047 void Buffer::validate(LaTeXFeatures & features) const
2048 {
2049         LyXTextClass const & tclass = params.getLyXTextClass();
2050
2051         if (params.tracking_changes) {
2052                 features.require("dvipost");
2053                 features.require("color");
2054         }
2055
2056         // AMS Style is at document level
2057         if (params.use_amsmath == BufferParams::AMS_ON
2058             || tclass.provides(LyXTextClass::amsmath))
2059                 features.require("amsmath");
2060
2061         for_each(paragraphs.begin(), paragraphs.end(),
2062                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
2063
2064         // the bullet shapes are buffer level not paragraph level
2065         // so they are tested here
2066         for (int i = 0; i < 4; ++i) {
2067                 if (params.user_defined_bullets[i] != ITEMIZE_DEFAULTS[i]) {
2068                         int const font = params.user_defined_bullets[i].getFont();
2069                         if (font == 0) {
2070                                 int const c = params
2071                                         .user_defined_bullets[i]
2072                                         .getCharacter();
2073                                 if (c == 16
2074                                    || c == 17
2075                                    || c == 25
2076                                    || c == 26
2077                                    || c == 31) {
2078                                         features.require("latexsym");
2079                                 }
2080                         } else if (font == 1) {
2081                                 features.require("amssymb");
2082                         } else if ((font >= 2 && font <= 5)) {
2083                                 features.require("pifont");
2084                         }
2085                 }
2086         }
2087
2088         if (lyxerr.debugging(Debug::LATEX)) {
2089                 features.showStruct();
2090         }
2091 }
2092
2093
2094 vector<string> const Buffer::getLabelList() const
2095 {
2096         /// if this is a child document and the parent is already loaded
2097         /// Use the parent's list instead  [ale990407]
2098         if (!params.parentname.empty()
2099             && bufferlist.exists(params.parentname)) {
2100                 Buffer const * tmp = bufferlist.getBuffer(params.parentname);
2101                 if (tmp)
2102                         return tmp->getLabelList();
2103         }
2104
2105         vector<string> label_list;
2106         for (inset_iterator it = inset_const_iterator_begin();
2107              it != inset_const_iterator_end(); ++it) {
2108                 vector<string> const l = it->getLabelList();
2109                 label_list.insert(label_list.end(), l.begin(), l.end());
2110         }
2111         return label_list;
2112 }
2113
2114
2115 // This is also a buffer property (ale)
2116 void Buffer::fillWithBibKeys(vector<pair<string, string> > & keys) const
2117 {
2118         /// if this is a child document and the parent is already loaded
2119         /// use the parent's list instead  [ale990412]
2120         if (!params.parentname.empty() && bufferlist.exists(params.parentname)) {
2121                 Buffer const * tmp = bufferlist.getBuffer(params.parentname);
2122                 if (tmp) {
2123                         tmp->fillWithBibKeys(keys);
2124                         return;
2125                 }
2126         }
2127
2128         for (inset_iterator it = inset_const_iterator_begin();
2129                 it != inset_const_iterator_end(); ++it) {
2130                 if (it->lyxCode() == Inset::BIBTEX_CODE)
2131                         static_cast<InsetBibtex &>(*it).fillWithBibKeys(this, keys);
2132                 else if (it->lyxCode() == Inset::INCLUDE_CODE)
2133                         static_cast<InsetInclude &>(*it).fillWithBibKeys(keys);
2134                 else if (it->lyxCode() == Inset::BIBITEM_CODE) {
2135                         InsetBibitem & bib = static_cast<InsetBibitem &>(*it);
2136                         string const key = bib.getContents();
2137                         string const opt = bib.getOptions();
2138                         string const ref; // = pit->asString(this, false);
2139                         string const info = opt + "TheBibliographyRef" + ref;
2140                         keys.push_back(pair<string, string>(key, info));
2141                 }
2142         }
2143 }
2144
2145
2146 bool Buffer::isDepClean(string const & name) const
2147 {
2148         DepClean::const_iterator it = dep_clean_.find(name);
2149         if (it == dep_clean_.end())
2150                 return true;
2151         return it->second;
2152 }
2153
2154
2155 void Buffer::markDepClean(string const & name)
2156 {
2157         dep_clean_[name] = true;
2158 }
2159
2160
2161 bool Buffer::dispatch(string const & command, bool * result)
2162 {
2163         // Split command string into command and argument
2164         string cmd;
2165         string line = ltrim(command);
2166         string const arg = trim(split(line, cmd, ' '));
2167
2168         return dispatch(lyxaction.LookupFunc(cmd), arg, result);
2169 }
2170
2171
2172 bool Buffer::dispatch(int action, string const & argument, bool * result)
2173 {
2174         bool dispatched = true;
2175
2176         switch (action) {
2177                 case LFUN_EXPORT: {
2178                         bool const tmp = Exporter::Export(this, argument, false);
2179                         if (result)
2180                                 *result = tmp;
2181                         break;
2182                 }
2183
2184                 default:
2185                         dispatched = false;
2186         }
2187         return dispatched;
2188 }
2189
2190
2191 void Buffer::resizeInsets(BufferView * bv)
2192 {
2193         /// then remove all LyXText in text-insets
2194         for_each(paragraphs.begin(), paragraphs.end(),
2195                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
2196 }
2197
2198
2199 void Buffer::redraw()
2200 {
2201 #warning repaint needed here, or do you mean update() ?
2202         users->repaint();
2203         users->fitCursor();
2204 }
2205
2206
2207 void Buffer::changeLanguage(Language const * from, Language const * to)
2208 {
2209
2210         ParIterator end = par_iterator_end();
2211         for (ParIterator it = par_iterator_begin(); it != end; ++it)
2212                 (*it)->changeLanguage(params, from, to);
2213 }
2214
2215
2216 bool Buffer::isMultiLingual()
2217 {
2218         ParIterator end = par_iterator_end();
2219         for (ParIterator it = par_iterator_begin(); it != end; ++it)
2220                 if ((*it)->isMultiLingual(params))
2221                         return true;
2222
2223         return false;
2224 }
2225
2226
2227 void Buffer::inset_iterator::setParagraph()
2228 {
2229         while (pit != pend) {
2230                 it = pit->insetlist.begin();
2231                 if (it != pit->insetlist.end())
2232                         return;
2233                 ++pit;
2234         }
2235 }
2236
2237
2238 Inset * Buffer::getInsetFromID(int id_arg) const
2239 {
2240         for (inset_iterator it = inset_const_iterator_begin();
2241                  it != inset_const_iterator_end(); ++it)
2242         {
2243                 if (it->id() == id_arg)
2244                         return &(*it);
2245                 Inset * in = it->getInsetFromID(id_arg);
2246                 if (in)
2247                         return in;
2248         }
2249         return 0;
2250 }
2251
2252
2253 Paragraph * Buffer::getParFromID(int id) const
2254 {
2255         if (id < 0)
2256                 return 0;
2257
2258         // why should we allow < 0 ??
2259         //lyx::Assert(id >= 0);
2260
2261         ParConstIterator it(par_iterator_begin());
2262         ParConstIterator end(par_iterator_end());
2263
2264         for (; it != end; ++it) {
2265                 // go on then, show me how to remove
2266                 // the cast
2267                 if ((*it)->id() == id) {
2268                         return const_cast<Paragraph*>(*it);
2269                 }
2270         }
2271
2272         return 0;
2273 }
2274
2275
2276 ParIterator Buffer::par_iterator_begin()
2277 {
2278         return ParIterator(&*(paragraphs.begin()));
2279 }
2280
2281
2282 ParIterator Buffer::par_iterator_end()
2283 {
2284         return ParIterator();
2285 }
2286
2287 ParConstIterator Buffer::par_iterator_begin() const
2288 {
2289         return ParConstIterator(&*(paragraphs.begin()));
2290 }
2291
2292
2293 ParConstIterator Buffer::par_iterator_end() const
2294 {
2295         return ParConstIterator();
2296 }
2297
2298
2299
2300 void Buffer::addUser(BufferView * u)
2301 {
2302         users = u;
2303 }
2304
2305
2306 void Buffer::delUser(BufferView *)
2307 {
2308         users = 0;
2309 }
2310
2311
2312 Language const * Buffer::getLanguage() const
2313 {
2314         return params.language;
2315 }
2316
2317
2318 bool Buffer::isClean() const
2319 {
2320         return lyx_clean;
2321 }
2322
2323
2324 bool Buffer::isBakClean() const
2325 {
2326         return bak_clean;
2327 }
2328
2329
2330 void Buffer::markClean() const
2331 {
2332         if (!lyx_clean) {
2333                 lyx_clean = true;
2334                 updateTitles();
2335         }
2336         // if the .lyx file has been saved, we don't need an
2337         // autosave
2338         bak_clean = true;
2339 }
2340
2341
2342 void Buffer::markBakClean()
2343 {
2344         bak_clean = true;
2345 }
2346
2347
2348 void Buffer::setUnnamed(bool flag)
2349 {
2350         unnamed = flag;
2351 }
2352
2353
2354 bool Buffer::isUnnamed()
2355 {
2356         return unnamed;
2357 }
2358
2359
2360 void Buffer::markDirty()
2361 {
2362         if (lyx_clean) {
2363                 lyx_clean = false;
2364                 updateTitles();
2365         }
2366         bak_clean = false;
2367
2368         DepClean::iterator it = dep_clean_.begin();
2369         DepClean::const_iterator const end = dep_clean_.end();
2370
2371         for (; it != end; ++it) {
2372                 it->second = false;
2373         }
2374 }
2375
2376
2377 string const & Buffer::fileName() const
2378 {
2379         return filename_;
2380 }
2381
2382
2383 string const & Buffer::filePath() const
2384 {
2385         return filepath_;
2386 }
2387
2388
2389 bool Buffer::isReadonly() const
2390 {
2391         return read_only;
2392 }
2393
2394
2395 BufferView * Buffer::getUser() const
2396 {
2397         return users;
2398 }
2399
2400
2401 void Buffer::setParentName(string const & name)
2402 {
2403         params.parentname = name;
2404 }
2405
2406
2407 Buffer::inset_iterator::inset_iterator()
2408         : pit(0), pend(0)
2409 {}
2410
2411
2412 Buffer::inset_iterator::inset_iterator(base_type p, base_type e)
2413         : pit(p), pend(e)
2414 {
2415         setParagraph();
2416 }
2417
2418
2419 Buffer::inset_iterator & Buffer::inset_iterator::operator++()
2420 {
2421         if (pit != pend) {
2422                 ++it;
2423                 if (it == pit->insetlist.end()) {
2424                         ++pit;
2425                         setParagraph();
2426                 }
2427         }
2428         return *this;
2429 }
2430
2431
2432 Buffer::inset_iterator Buffer::inset_iterator::operator++(int)
2433 {
2434         inset_iterator tmp = *this;
2435         ++*this;
2436         return tmp;
2437 }
2438
2439
2440 Buffer::inset_iterator::reference Buffer::inset_iterator::operator*()
2441 {
2442         return *it.getInset();
2443 }
2444
2445
2446 Buffer::inset_iterator::pointer Buffer::inset_iterator::operator->()
2447 {
2448         return it.getInset();
2449 }
2450
2451
2452 Paragraph * Buffer::inset_iterator::getPar()
2453 {
2454         return &(*pit);
2455 }
2456
2457
2458 lyx::pos_type Buffer::inset_iterator::getPos() const
2459 {
2460         return it.getPos();
2461 }
2462
2463
2464 bool operator==(Buffer::inset_iterator const & iter1,
2465                 Buffer::inset_iterator const & iter2)
2466 {
2467         return iter1.pit == iter2.pit
2468                 && (iter1.pit == iter1.pend || iter1.it == iter2.it);
2469 }
2470
2471
2472 bool operator!=(Buffer::inset_iterator const & iter1,
2473                 Buffer::inset_iterator const & iter2)
2474 {
2475         return !(iter1 == iter2);
2476 }