src/buffer_funcs.cpp

   1 /**
   2  * \file buffer_funcs.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Alfredo Braunstein
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  *
  11  */
  12
  13 #include <config.h>
  14
  15 #include "buffer_funcs.h"
  16 #include "Buffer.h"
  17 #include "BufferList.h"
  18 #include "BufferParams.h"
  19 #include "DocIterator.h"
  20 #include "Counters.h"
  21 #include "ErrorList.h"
  22 #include "Floating.h"
  23 #include "FloatList.h"
  24 #include "gettext.h"
  25 #include "Language.h"
  26 #include "LaTeX.h"
  27 #include "TextClass.h"
  28 #include "Paragraph.h"
  29 #include "paragraph_funcs.h"
  30 #include "ParagraphList.h"
  31 #include "ParagraphParameters.h"
  32 #include "ParIterator.h"
  33 #include "LyXVC.h"
  34 #include "TexRow.h"
  35 #include "TocBackend.h"
  36 #include "VCBackend.h"
  37
  38 #include "frontends/alert.h"
  39
  40 #include "insets/InsetBibitem.h"
  41 #include "insets/InsetCaption.h"
  42 #include "insets/InsetInclude.h"
  43 #include "insets/InsetTabular.h"
  44
  45 #include "support/filetools.h"
  46 #include "support/fs_extras.h"
  47 #include "support/lyxlib.h"
  48
  49 #include <boost/bind.hpp>
  50 #include <boost/filesystem/operations.hpp>
  51
  52
  53 namespace lyx {
  54
  55 using namespace std;
  56
  57 using support::bformat;
  58 using support::FileName;
  59 using support::libFileSearch;
  60 using support::makeAbsPath;
  61 using support::makeDisplayPath;
  62 using support::onlyFilename;
  63 using support::onlyPath;
  64 using support::unlink;
  65
  66 using std::min;
  67 using std::string;
  68
  69 namespace Alert = frontend::Alert;
  70 namespace fs = boost::filesystem;
  71
  72 namespace {
  73
  74 bool readFile(Buffer * const b, FileName const & s)
  75 {
  76         BOOST_ASSERT(b);
  77
  78         // File information about normal file
  79         if (!fs::exists(s.toFilesystemEncoding())) {
  80                 docstring const file = makeDisplayPath(s.absFilename(), 50);
  81                 docstring text = bformat(_("The specified document\n%1$s"
  82                                                      "\ncould not be read."), file);
  83                 Alert::error(_("Could not read document"), text);
  84                 return false;
  85         }
  86
  87         // Check if emergency save file exists and is newer.
  88         FileName const e(s.absFilename() + ".emergency");
  89
  90         if (fs::exists(e.toFilesystemEncoding()) &&
  91             fs::exists(s.toFilesystemEncoding()) &&
  92             fs::last_write_time(e.toFilesystemEncoding()) > fs::last_write_time(s.toFilesystemEncoding()))
  93         {
  94                 docstring const file = makeDisplayPath(s.absFilename(), 20);
  95                 docstring const text =
  96                         bformat(_("An emergency save of the document "
  97                                   "%1$s exists.\n\n"
  98                                                "Recover emergency save?"), file);
  99                 switch (Alert::prompt(_("Load emergency save?"), text, 0, 2,
 100                                       _("&Recover"),  _("&Load Original"),
 101                                       _("&Cancel")))
 102                 {
 103                 case 0:
 104                         // the file is not saved if we load the emergency file.
 105                         b->markDirty();
 106                         return b->readFile(e);
 107                 case 1:
 108                         break;
 109                 default:
 110                         return false;
 111                 }
 112         }
 113
 114         // Now check if autosave file is newer.
 115         FileName const a(onlyPath(s.absFilename()) + '#' + onlyFilename(s.absFilename()) + '#');
 116
 117         if (fs::exists(a.toFilesystemEncoding()) &&
 118             fs::exists(s.toFilesystemEncoding()) &&
 119             fs::last_write_time(a.toFilesystemEncoding()) > fs::last_write_time(s.toFilesystemEncoding()))
 120         {
 121                 docstring const file = makeDisplayPath(s.absFilename(), 20);
 122                 docstring const text =
 123                         bformat(_("The backup of the document "
 124                                   "%1$s is newer.\n\nLoad the "
 125                                                "backup instead?"), file);
 126                 switch (Alert::prompt(_("Load backup?"), text, 0, 2,
 127                                       _("&Load backup"), _("Load &original"),
 128                                       _("&Cancel") ))
 129                 {
 130                 case 0:
 131                         // the file is not saved if we load the autosave file.
 132                         b->markDirty();
 133                         return b->readFile(a);
 134                 case 1:
 135                         // Here we delete the autosave
 136                         unlink(a);
 137                         break;
 138                 default:
 139                         return false;
 140                 }
 141         }
 142         return b->readFile(s);
 143 }
 144
 145
 146 } // namespace anon
 147
 148
 149
 150 bool loadLyXFile(Buffer * b, FileName const & s)
 151 {
 152         BOOST_ASSERT(b);
 153
 154         if (fs::is_readable(s.toFilesystemEncoding())) {
 155                 if (readFile(b, s)) {
 156                         b->lyxvc().file_found_hook(s);
 157                         if (!fs::is_writable(s.toFilesystemEncoding()))
 158                                 b->setReadonly(true);
 159                         return true;
 160                 }
 161         } else {
 162                 docstring const file = makeDisplayPath(s.absFilename(), 20);
 163                 // Here we probably should run
 164                 if (LyXVC::file_not_found_hook(s)) {
 165                         docstring const text =
 166                                 bformat(_("Do you want to retrieve the document"
 167                                                        " %1$s from version control?"), file);
 168                         int const ret = Alert::prompt(_("Retrieve from version control?"),
 169                                 text, 0, 1, _("&Retrieve"), _("&Cancel"));
 170
 171                         if (ret == 0) {
 172                                 // How can we know _how_ to do the checkout?
 173                                 // With the current VC support it has to be,
 174                                 // a RCS file since CVS do not have special ,v files.
 175                                 RCS::retrieve(s);
 176                                 return loadLyXFile(b, s);
 177                         }
 178                 }
 179         }
 180         return false;
 181 }
 182
 183
 184 Buffer * checkAndLoadLyXFile(FileName const & filename)
 185 {
 186         // File already open?
 187         if (theBufferList().exists(filename.absFilename())) {
 188                 docstring const file = makeDisplayPath(filename.absFilename(), 20);
 189                 docstring text = bformat(_("The document %1$s is already "
 190                                                      "loaded.\n\nDo you want to revert "
 191                                                      "to the saved version?"), file);
 192                 if (Alert::prompt(_("Revert to saved document?"),
 193                                 text, 0, 1,  _("&Revert"), _("&Switch to document")))
 194                         return theBufferList().getBuffer(filename.absFilename());
 195
 196                 // FIXME: should be LFUN_REVERT
 197                 if (theBufferList().close(theBufferList().getBuffer(filename.absFilename()), false))
 198                         // Load it again.
 199                         return checkAndLoadLyXFile(filename);
 200                 else
 201                         // The file could not be closed.
 202                         return 0;
 203         }
 204
 205         if (isFileReadable(filename)) {
 206                 Buffer * b = theBufferList().newBuffer(filename.absFilename());
 207                 if (!lyx::loadLyXFile(b, filename)) {
 208                         theBufferList().release(b);
 209                         return 0;
 210                 }
 211                 return b;
 212         }
 213
 214         docstring text = bformat(_("The document %1$s does not yet "
 215                 "exist.\n\nDo you want to create a new document?"),
 216                 from_utf8(filename.absFilename()));
 217         if (!Alert::prompt(_("Create new document?"),
 218                         text, 0, 1, _("&Create"), _("Cancel")))
 219                 return newFile(filename.absFilename(), string(), true);
 220
 221         return 0;
 222 }
 223
 224 // FIXME newFile() should probably be a member method of Application...
 225 Buffer * newFile(string const & filename, string const & templatename,
 226                  bool const isNamed)
 227 {
 228         // get a free buffer
 229         Buffer * b = theBufferList().newBuffer(filename);
 230         BOOST_ASSERT(b);
 231
 232         FileName tname;
 233         // use defaults.lyx as a default template if it exists.
 234         if (templatename.empty())
 235                 tname = libFileSearch("templates", "defaults.lyx");
 236         else
 237                 tname = makeAbsPath(templatename);
 238
 239         if (!tname.empty()) {
 240                 if (!b->readFile(tname)) {
 241                         docstring const file = makeDisplayPath(tname.absFilename(), 50);
 242                         docstring const text  = bformat(
 243                                 _("The specified document template\n%1$s\ncould not be read."),
 244                                 file);
 245                         Alert::error(_("Could not read template"), text);
 246                         theBufferList().release(b);
 247                         return 0;
 248                 }
 249         }
 250
 251         if (!isNamed) {
 252                 b->setUnnamed();
 253                 b->setFileName(filename);
 254         }
 255
 256         b->setReadonly(false);
 257         b->fully_loaded(true);
 258
 259         return b;
 260 }
 261
 262
 263 void bufferErrors(Buffer const & buf, TeXErrors const & terr,
 264                                   ErrorList & errorList)
 265 {
 266         TeXErrors::Errors::const_iterator cit = terr.begin();
 267         TeXErrors::Errors::const_iterator end = terr.end();
 268
 269         for (; cit != end; ++cit) {
 270                 int id_start = -1;
 271                 int pos_start = -1;
 272                 int errorrow = cit->error_in_line;
 273                 bool found = buf.texrow().getIdFromRow(errorrow, id_start,
 274                                                        pos_start);
 275                 int id_end = -1;
 276                 int pos_end = -1;
 277                 do {
 278                         ++errorrow;
 279                         found = buf.texrow().getIdFromRow(errorrow, id_end,
 280                                                           pos_end);
 281                 } while (found && id_start == id_end && pos_start == pos_end);
 282
 283                 errorList.push_back(ErrorItem(cit->error_desc,
 284                         cit->error_text, id_start, pos_start, pos_end));
 285         }
 286 }
 287
 288
 289 string const bufferFormat(Buffer const & buffer)
 290 {
 291         if (buffer.isDocBook())
 292                 return "docbook";
 293         else if (buffer.isLiterate())
 294                 return "literate";
 295         else
 296                 return "latex";
 297 }
 298
 299
 300 int countWords(DocIterator const & from, DocIterator const & to)
 301 {
 302         int count = 0;
 303         bool inword = false;
 304         for (DocIterator dit = from ; dit != to ; dit.forwardPos()) {
 305                 // Copied and adapted from isLetter() in ControlSpellChecker
 306                 if (dit.inTexted()
 307                     && dit.pos() != dit.lastpos()
 308                     && dit.paragraph().isLetter(dit.pos())
 309                     && !dit.paragraph().isDeleted(dit.pos())) {
 310                         if (!inword) {
 311                                 ++count;
 312                                 inword = true;
 313                         }
 314                 } else if (inword)
 315                         inword = false;
 316         }
 317
 318         return count;
 319 }
 320
 321
 322 namespace {
 323
 324 depth_type getDepth(DocIterator const & it)
 325 {
 326         depth_type depth = 0;
 327         for (size_t i = 0 ; i < it.depth() ; ++i)
 328                 if (!it[i].inset().inMathed())
 329                         depth += it[i].paragraph().getDepth() + 1;
 330         // remove 1 since the outer inset does not count
 331         return depth - 1;
 332 }
 333
 334 depth_type getItemDepth(ParIterator const & it)
 335 {
 336         Paragraph const & par = *it;
 337         LYX_LABEL_TYPES const labeltype = par.layout()->labeltype;
 338
 339         if (labeltype != LABEL_ENUMERATE && labeltype != LABEL_ITEMIZE)
 340                 return 0;
 341
 342         // this will hold the lowest depth encountered up to now.
 343         depth_type min_depth = getDepth(it);
 344         ParIterator prev_it = it;
 345         while (true) {
 346                 if (prev_it.pit())
 347                         --prev_it.top().pit();
 348                 else {
 349                         // start of nested inset: go to outer par
 350                         prev_it.pop_back();
 351                         if (prev_it.empty()) {
 352                                 // start of document: nothing to do
 353                                 return 0;
 354                         }
 355                 }
 356
 357                 // We search for the first paragraph with same label
 358                 // that is not more deeply nested.
 359                 Paragraph & prev_par = *prev_it;
 360                 depth_type const prev_depth = getDepth(prev_it);
 361                 if (labeltype == prev_par.layout()->labeltype) {
 362                         if (prev_depth < min_depth) {
 363                                 return prev_par.itemdepth + 1;
 364                         }
 365                         else if (prev_depth == min_depth) {
 366                                 return prev_par.itemdepth;
 367                         }
 368                 }
 369                 min_depth = std::min(min_depth, prev_depth);
 370                 // small optimization: if we are at depth 0, we won't
 371                 // find anything else
 372                 if (prev_depth == 0) {
 373                         return 0;
 374                 }
 375         }
 376 }
 377
 378
 379 bool needEnumCounterReset(ParIterator const & it)
 380 {
 381         Paragraph const & par = *it;
 382         BOOST_ASSERT(par.layout()->labeltype == LABEL_ENUMERATE);
 383         depth_type const cur_depth = par.getDepth();
 384         ParIterator prev_it = it;
 385         while (prev_it.pit()) {
 386                 --prev_it.top().pit();
 387                 Paragraph const & prev_par = *prev_it;
 388                 if (prev_par.getDepth() <= cur_depth)
 389                         return  prev_par.layout()->labeltype != LABEL_ENUMERATE;
 390         }
 391         // start of nested inset: reset
 392         return true;
 393 }
 394
 395
 396 void setCaptionLabels(Inset & inset, string const & type,
 397                 docstring const label, Counters & counters)
 398 {
 399         Text * text = inset.getText(0);
 400         if (!text)
 401                 return;
 402
 403         ParagraphList & pars = text->paragraphs();
 404         if (pars.empty())
 405                 return;
 406
 407         docstring const counter = from_ascii(type);
 408
 409         ParagraphList::iterator p = pars.begin();
 410         for (; p != pars.end(); ++p) {
 411                 InsetList::iterator it2 = p->insetlist.begin();
 412                 InsetList::iterator end2 = p->insetlist.end();
 413                 // Any caption within this float should have the same
 414                 // label prefix but different numbers.
 415                 for (; it2 != end2; ++it2) {
 416                         Inset & icap = *it2->inset;
 417                         // Look deeper just in case.
 418                         setCaptionLabels(icap, type, label, counters);
 419                         if (icap.lyxCode() == Inset::CAPTION_CODE) {
 420                                 // We found a caption!
 421                                 counters.step(counter);
 422                                 int number = counters.value(counter);
 423                                 InsetCaption & ic = static_cast<InsetCaption &>(icap);
 424                                 ic.setType(type);
 425                                 ic.setCount(number);
 426                                 ic.setCustomLabel(label);
 427                         }
 428                 }
 429         }
 430 }
 431
 432
 433 void setCaptions(Paragraph & par, TextClass const & textclass)
 434 {
 435         if (par.insetlist.empty())
 436                 return;
 437
 438         Counters & counters = textclass.counters();
 439
 440         InsetList::iterator it = par.insetlist.begin();
 441         InsetList::iterator end = par.insetlist.end();
 442         for (; it != end; ++it) {
 443                 Inset & inset = *it->inset;
 444                 if (inset.lyxCode() == Inset::FLOAT_CODE
 445                         || inset.lyxCode() == Inset::WRAP_CODE) {
 446                         docstring const name = inset.name();
 447                         if (name.empty())
 448                                 continue;
 449
 450                         Floating const & fl = textclass.floats().getType(to_ascii(name));
 451                         // FIXME UNICODE
 452                         string const & type = fl.type();
 453                         docstring const label = from_utf8(fl.name());
 454                         setCaptionLabels(inset, type, label, counters);
 455                 }
 456                 else if (inset.lyxCode() == Inset::TABULAR_CODE
 457                         &&  static_cast<InsetTabular &>(inset).tabular.isLongTabular()) {
 458                         // FIXME: are "table" and "Table" the correct type and label?
 459                         setCaptionLabels(inset, "table", from_ascii("Table"), counters);
 460                 }
 461                 else if (inset.lyxCode() == Inset::LISTINGS_CODE)
 462                         setCaptionLabels(inset, "listing", from_ascii("Listing"), counters);
 463                 else if (inset.lyxCode() == Inset::INCLUDE_CODE)
 464                         // if this include inset contains lstinputlisting, and has a caption
 465                         // it will increase the 'listing' counter by one
 466                         static_cast<InsetInclude &>(inset).updateCounter(counters);
 467         }
 468 }
 469
 470 // set the label of a paragraph. This includes the counters.
 471 void setLabel(Buffer const & buf, ParIterator & it, TextClass const & textclass)
 472 {
 473         Paragraph & par = *it;
 474         Layout_ptr const & layout = par.layout();
 475         Counters & counters = textclass.counters();
 476
 477         if (it.pit() == 0) {
 478                 par.params().appendix(par.params().startOfAppendix());
 479         } else {
 480                 par.params().appendix(it.plist()[it.pit() - 1].params().appendix());
 481                 if (!par.params().appendix() &&
 482                     par.params().startOfAppendix()) {
 483                         par.params().appendix(true);
 484                         textclass.counters().reset();
 485                 }
 486         }
 487
 488         // Compute the item depth of the paragraph
 489         par.itemdepth = getItemDepth(it);
 490
 491         if (layout->margintype == MARGIN_MANUAL) {
 492                 if (par.params().labelWidthString().empty())
 493                         par.params().labelWidthString(par.translateIfPossible(layout->labelstring(), buf.params()));
 494         } else {
 495                 par.params().labelWidthString(docstring());
 496         }
 497
 498         // Optimisation: setLabel() can be called for each for each
 499         // paragraph of the document. So we make the string static to
 500         // avoid the repeated instanciation.
 501         static docstring itemlabel;
 502
 503         // is it a layout that has an automatic label?
 504         if (layout->labeltype == LABEL_COUNTER) {
 505                 if (layout->toclevel <= buf.params().secnumdepth
 506                     && (layout->latextype != LATEX_ENVIRONMENT
 507                         || isFirstInSequence(it.pit(), it.plist()))) {
 508                         counters.step(layout->counter);
 509                         par.params().labelString(
 510                                 par.expandLabel(layout, buf.params()));
 511                 } else
 512                         par.params().labelString(docstring());
 513
 514         } else if (layout->labeltype == LABEL_ITEMIZE) {
 515                 // At some point of time we should do something more
 516                 // clever here, like:
 517                 //   par.params().labelString(
 518                 //    buf.params().user_defined_bullet(par.itemdepth).getText());
 519                 // for now, use a simple hardcoded label
 520                 switch (par.itemdepth) {
 521                 case 0:
 522                         itemlabel = char_type(0x2022);
 523                         break;
 524                 case 1:
 525                         itemlabel = char_type(0x2013);
 526                         break;
 527                 case 2:
 528                         itemlabel = char_type(0x2217);
 529                         break;
 530                 case 3:
 531                         itemlabel = char_type(0x2219); // or 0x00b7
 532                         break;
 533                 }
 534                 par.params().labelString(itemlabel);
 535
 536         } else if (layout->labeltype == LABEL_ENUMERATE) {
 537                 // FIXME
 538                 // Yes I know this is a really, really! bad solution
 539                 // (Lgb)
 540                 docstring enumcounter = from_ascii("enum");
 541
 542                 switch (par.itemdepth) {
 543                 case 2:
 544                         enumcounter += 'i';
 545                 case 1:
 546                         enumcounter += 'i';
 547                 case 0:
 548                         enumcounter += 'i';
 549                         break;
 550                 case 3:
 551                         enumcounter += "iv";
 552                         break;
 553                 default:
 554                         // not a valid enumdepth...
 555                         break;
 556                 }
 557
 558                 // Maybe we have to reset the enumeration counter.
 559                 if (needEnumCounterReset(it))
 560                         counters.reset(enumcounter);
 561
 562                 counters.step(enumcounter);
 563
 564                 string format;
 565
 566                 switch (par.itemdepth) {
 567                 case 0:
 568                         format = N_("\\arabic{enumi}.");
 569                         break;
 570                 case 1:
 571                         format = N_("(\\alph{enumii})");
 572                         break;
 573                 case 2:
 574                         format = N_("\\roman{enumiii}.");
 575                         break;
 576                 case 3:
 577                         format = N_("\\Alph{enumiv}.");
 578                         break;
 579                 default:
 580                         // not a valid enumdepth...
 581                         break;
 582                 }
 583
 584                 par.params().labelString(counters.counterLabel(
 585                         par.translateIfPossible(from_ascii(format), buf.params())));
 586
 587         } else if (layout->labeltype == LABEL_BIBLIO) {// ale970302
 588                 counters.step(from_ascii("bibitem"));
 589                 int number = counters.value(from_ascii("bibitem"));
 590                 if (par.bibitem())
 591                         par.bibitem()->setCounter(number);
 592
 593                 par.params().labelString(
 594                         par.translateIfPossible(layout->labelstring(), buf.params()));
 595                 // In biblio shouldn't be following counters but...
 596         } else if (layout->labeltype == LABEL_SENSITIVE) {
 597                 // Search for the first float or wrap inset in the iterator
 598                 size_t i = it.depth();
 599                 Inset * in = 0;
 600                 while (i > 0) {
 601                         --i;
 602                         Inset::Code const code = it[i].inset().lyxCode();
 603                         if (code == Inset::FLOAT_CODE ||
 604                             code == Inset::WRAP_CODE) {
 605                                 in = &it[i].inset();
 606                                 break;
 607                         }
 608                 }
 609                 // FIXME Can Inset::name() return an empty name for wide or
 610                 // float insets? If not we can put the definition of type
 611                 // inside the if (in) clause and use that instead of
 612                 // if (!type.empty()).
 613                 docstring type;
 614                 if (in)
 615                         type = in->name();
 616
 617                 if (!type.empty()) {
 618                         Floating const & fl = textclass.floats().getType(to_ascii(type));
 619                         // FIXME UNICODE
 620                         counters.step(from_ascii(fl.type()));
 621
 622                         // Doesn't work... yet.
 623                         par.params().labelString(par.translateIfPossible(
 624                                 bformat(from_ascii("%1$s #:"), from_utf8(fl.name())),
 625                                 buf.params()));
 626                 } else {
 627                         // par->SetLayout(0);
 628                         par.params().labelString(par.translateIfPossible(
 629                                 layout->labelstring(), buf.params()));
 630                 }
 631
 632         } else if (layout->labeltype == LABEL_NO_LABEL)
 633                 par.params().labelString(docstring());
 634         else
 635                 par.params().labelString(
 636                         par.translateIfPossible(layout->labelstring(), buf.params()));
 637 }
 638
 639 } // anon namespace
 640
 641
 642 bool updateCurrentLabel(Buffer const & buf,
 643         ParIterator & it)
 644 {
 645     if (it == par_iterator_end(buf.inset()))
 646         return false;
 647
 648 //      if (it.lastpit == 0 && Text::isMainText(buf))
 649 //              return false;
 650
 651         switch (it->layout()->labeltype) {
 652
 653         case LABEL_NO_LABEL:
 654         case LABEL_MANUAL:
 655         case LABEL_BIBLIO:
 656         case LABEL_TOP_ENVIRONMENT:
 657         case LABEL_CENTERED_TOP_ENVIRONMENT:
 658         case LABEL_STATIC:
 659         case LABEL_ITEMIZE:
 660                 setLabel(buf, it, buf.params().getTextClass());
 661                 return true;
 662
 663         case LABEL_SENSITIVE:
 664         case LABEL_COUNTER:
 665         // do more things with enumerate later
 666         case LABEL_ENUMERATE:
 667                 return false;
 668         }
 669
 670         // This is dead code which get rid of a warning:
 671         return true;
 672 }
 673
 674
 675 void updateLabels(Buffer const & buf,
 676         ParIterator & from, ParIterator & to, bool childonly)
 677 {
 678         for (ParIterator it = from; it != to; ++it) {
 679                 if (it.pit() > it.lastpit())
 680                         return;
 681                 if (!updateCurrentLabel (buf, it)) {
 682                         updateLabels(buf, childonly);
 683                         return;
 684                 }
 685         }
 686 }
 687
 688
 689 void updateLabels(Buffer const & buf, ParIterator & iter, bool childonly)
 690 {
 691         if (updateCurrentLabel(buf, iter))
 692                 return;
 693
 694         updateLabels(buf, childonly);
 695 }
 696
 697
 698 void updateLabels(Buffer const & buf, bool childonly)
 699 {
 700         // Use the master text class also for child documents
 701         TextClass const & textclass = buf.params().getTextClass();
 702
 703         if (!childonly) {
 704                 // If this is a child document start with the master
 705                 Buffer const * const master = buf.getMasterBuffer();
 706                 if (master != &buf) {
 707                         updateLabels(*master);
 708                         return;
 709                 }
 710
 711                 // start over the counters
 712                 textclass.counters().reset();
 713         }
 714
 715         ParIterator const end = par_iterator_end(buf.inset());
 716
 717         for (ParIterator it = par_iterator_begin(buf.inset()); it != end; ++it) {
 718                 // reduce depth if necessary
 719                 if (it.pit()) {
 720                         Paragraph const & prevpar = it.plist()[it.pit() - 1];
 721                         it->params().depth(min(it->params().depth(),
 722                                                prevpar.getMaxDepthAfter()));
 723                 } else
 724                         it->params().depth(0);
 725
 726                 // set the counter for this paragraph
 727                 setLabel(buf, it, textclass);
 728
 729                 // It is better to set the captions after setLabel because
 730                 // the caption number might need the section number in the
 731                 // future.
 732                 setCaptions(*it, textclass);
 733
 734                 // Now included docs
 735                 InsetList::const_iterator iit = it->insetlist.begin();
 736                 InsetList::const_iterator end = it->insetlist.end();
 737                 for (; iit != end; ++iit) {
 738                         if (iit->inset->lyxCode() == Inset::INCLUDE_CODE)
 739                                 static_cast<InsetInclude const *>(iit->inset)
 740                                         ->updateLabels(buf);
 741                 }
 742         }
 743
 744         Buffer & cbuf = const_cast<Buffer &>(buf);
 745         cbuf.tocBackend().update();
 746         if (!childonly)
 747                 cbuf.structureChanged();
 748 }
 749
 750
 751 void checkBufferStructure(Buffer & buffer, ParIterator const & par_it)
 752 {
 753         if (par_it->layout()->toclevel != Layout::NOT_IN_TOC) {
 754                 Buffer * master = buffer.getMasterBuffer();
 755                 master->tocBackend().updateItem(par_it);
 756                 master->structureChanged();
 757         }
 758 }
 759
 760 } // namespace lyx