]> git.lyx.org Git - lyx.git/blobdiff - src/buffer_funcs.C
* src/tabular.[Ch]: simplify plaintext methods, because there
[lyx.git] / src / buffer_funcs.C
index 018a0bf4bd1082e148287189516bf6d21bb43f63..d1b0e76b56fe8f37e86083d04e1939e0f91197cb 100644 (file)
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
  * \author Alfredo Braunstein
  *
- * Full author contact details are available in file CREDITS
+ * Full author contact details are available in file CREDITS.
  *
  */
 
 #include <config.h>
 
 #include "buffer_funcs.h"
-#include "bufferlist.h"
 #include "buffer.h"
+#include "bufferlist.h"
+#include "bufferparams.h"
+#include "dociterator.h"
+#include "counters.h"
 #include "errorlist.h"
+#include "Floating.h"
+#include "FloatList.h"
 #include "gettext.h"
-#include "vc-backend.h"
+#include "language.h"
 #include "LaTeX.h"
-#include "ParagraphList.h"
+#include "lyxtextclass.h"
 #include "paragraph.h"
+#include "paragraph_funcs.h"
+#include "ParagraphList.h"
+#include "ParagraphParameters.h"
+#include "pariterator.h"
+#include "lyxvc.h"
+#include "texrow.h"
+#include "TocBackend.h"
+#include "vc-backend.h"
 
 #include "frontends/Alert.h"
 
+#include "insets/insetbibitem.h"
+#include "insets/insetcaption.h"
+#include "insets/insetinclude.h"
+#include "insets/insettabular.h"
+
 #include "support/filetools.h"
-#include "support/FileInfo.h"
+#include "support/fs_extras.h"
 #include "support/lyxlib.h"
 
+#include <boost/bind.hpp>
+#include <boost/filesystem/operations.hpp>
+
 
-extern BufferList bufferlist;
+namespace lyx {
 
-using namespace lyx::support;
+using namespace std;
 
+using support::bformat;
+using support::FileName;
+using support::libFileSearch;
+using support::makeAbsPath;
+using support::makeDisplayPath;
+using support::onlyFilename;
+using support::onlyPath;
+using support::unlink;
+
+using std::min;
+using std::string;
+
+namespace Alert = frontend::Alert;
+namespace fs = boost::filesystem;
 
 namespace {
 
-bool readFile(Buffer * b, string const & s)
+bool readFile(Buffer * const b, FileName const & s)
 {
-       string ts(s);
-       string e = OnlyPath(s);
-       string a = e;
-       // File information about normal file
-       FileInfo fileInfo(s);
+       BOOST_ASSERT(b);
 
-       if (!fileInfo.exist()) {
-               string const file = MakeDisplayPath(s, 50);
-               string text = bformat(_("The specified document\n%1$s"
-                                       "\ncould not be read."), file);
+       // File information about normal file
+       if (!fs::exists(s.toFilesystemEncoding())) {
+               docstring const file = makeDisplayPath(s.absFilename(), 50);
+               docstring text = bformat(_("The specified document\n%1$s"
+                                                    "\ncould not be read."), file);
                Alert::error(_("Could not read document"), text);
                return false;
        }
 
        // Check if emergency save file exists and is newer.
-       e += OnlyFilename(s) + ".emergency";
-       FileInfo fileInfoE(e);
-
-       bool use_emergency = false;
-
-       if (fileInfoE.exist() && fileInfo.exist()) {
-               if (fileInfoE.getModificationTime()
-                   > fileInfo.getModificationTime()) {
-                       string const file = MakeDisplayPath(s, 20);
-                       string text = bformat(_("An emergency save of the document %1$s exists.\n"
-                               "\nRecover emergency save?"), file);
-                       int const ret = Alert::prompt(_("Load emergency save?"),
-                               text, 0, 1, _("&Recover"), _("&Load Original"));
-
-                       if (ret == 0) {
-                               ts = e;
-                               // the file is not saved if we load the
-                               // emergency file.
-                               b->markDirty();
-                               use_emergency = true;
-                       }
+       FileName const e(s.absFilename() + ".emergency");
+
+       if (fs::exists(e.toFilesystemEncoding()) &&
+           fs::exists(s.toFilesystemEncoding()) &&
+           fs::last_write_time(e.toFilesystemEncoding()) > fs::last_write_time(s.toFilesystemEncoding()))
+       {
+               docstring const file = makeDisplayPath(s.absFilename(), 20);
+               docstring const text =
+                       bformat(_("An emergency save of the document "
+                                 "%1$s exists.\n\n"
+                                              "Recover emergency save?"), file);
+               switch (Alert::prompt(_("Load emergency save?"), text, 0, 2,
+                                     _("&Recover"),  _("&Load Original"),
+                                     _("&Cancel")))
+               {
+               case 0:
+                       // the file is not saved if we load the emergency file.
+                       b->markDirty();
+                       return b->readFile(e);
+               case 1:
+                       break;
+               default:
+                       return false;
                }
        }
 
-       if (!use_emergency) {
-               // Now check if autosave file is newer.
-               a += '#';
-               a += OnlyFilename(s);
-               a += '#';
-               FileInfo fileInfoA(a);
-               if (fileInfoA.exist() && fileInfo.exist()) {
-                       if (fileInfoA.getModificationTime()
-                           > fileInfo.getModificationTime()) {
-                               string const file = MakeDisplayPath(s, 20);
-                               string text = bformat(_("The backup of the document %1$s is newer.\n\n"
-                                       "Load the backup instead?"), file);
-                               int const ret = Alert::prompt(_("Load backup?"),
-                                       text, 0, 1, _("&Load backup"), _("Load &original"));
-
-                               if (ret == 0) {
-                                       ts = a;
-                                       // the file is not saved if we load the
-                                       // autosave file.
-                                       b->markDirty();
-                               } else {
-                                       // Here, we should delete the autosave
-                                       unlink(a);
-                               }
-                       }
+       // Now check if autosave file is newer.
+       FileName const a(onlyPath(s.absFilename()) + '#' + onlyFilename(s.absFilename()) + '#');
+
+       if (fs::exists(a.toFilesystemEncoding()) &&
+           fs::exists(s.toFilesystemEncoding()) &&
+           fs::last_write_time(a.toFilesystemEncoding()) > fs::last_write_time(s.toFilesystemEncoding()))
+       {
+               docstring const file = makeDisplayPath(s.absFilename(), 20);
+               docstring const text =
+                       bformat(_("The backup of the document "
+                                 "%1$s is newer.\n\nLoad the "
+                                              "backup instead?"), file);
+               switch (Alert::prompt(_("Load backup?"), text, 0, 2,
+                                     _("&Load backup"), _("Load &original"),
+                                     _("&Cancel") ))
+               {
+               case 0:
+                       // the file is not saved if we load the autosave file.
+                       b->markDirty();
+                       return b->readFile(a);
+               case 1:
+                       // Here we delete the autosave
+                       unlink(a);
+                       break;
+               default:
+                       return false;
                }
        }
-       return b->readFile(ts);
+       return b->readFile(s);
 }
 
 
@@ -112,24 +147,24 @@ bool readFile(Buffer * b, string const & s)
 
 
 
-bool loadLyXFile(Buffer * b, string const & s)
+bool loadLyXFile(Buffer * b, FileName const & s)
 {
-       switch (IsFileWriteable(s)) {
-       case 0:
-               b->setReadonly(true);
-               // Fall through
-       case 1:
+       BOOST_ASSERT(b);
+
+       if (fs::is_readable(s.toFilesystemEncoding())) {
                if (readFile(b, s)) {
-                       b->lyxvc.file_found_hook(s);
+                       b->lyxvc().file_found_hook(s);
+                       if (!fs::is_writable(s.toFilesystemEncoding()))
+                               b->setReadonly(true);
                        return true;
                }
-               break;
-       case -1:
-               string const file = MakeDisplayPath(s, 20);
+       } else {
+               docstring const file = makeDisplayPath(s.absFilename(), 20);
                // Here we probably should run
                if (LyXVC::file_not_found_hook(s)) {
-                       string text = bformat(_("Do you want to retrieve the document"
-                               " %1$s from version control?"), file);
+                       docstring const text =
+                               bformat(_("Do you want to retrieve the document"
+                                                      " %1$s from version control?"), file);
                        int const ret = Alert::prompt(_("Retrieve from version control?"),
                                text, 0, 1, _("&Retrieve"), _("&Cancel"));
 
@@ -141,37 +176,35 @@ bool loadLyXFile(Buffer * b, string const & s)
                                return loadLyXFile(b, s);
                        }
                }
-               break;
        }
        return false;
 }
 
-
+// FIXME newFile() should probably be a member method of Application...
 Buffer * newFile(string const & filename, string const & templatename,
-                bool isNamed)
+                bool const isNamed)
 {
        // get a free buffer
-       Buffer * b = bufferlist.newBuffer(filename);
+       Buffer * b = theBufferList().newBuffer(filename);
+       BOOST_ASSERT(b);
 
-       string tname;
+       FileName tname;
        // use defaults.lyx as a default template if it exists.
        if (templatename.empty())
-               tname = LibFileSearch("templates", "defaults.lyx");
+               tname = libFileSearch("templates", "defaults.lyx");
        else
-               tname = templatename;
+               tname = makeAbsPath(templatename);
 
        if (!tname.empty()) {
                if (!b->readFile(tname)) {
-                       string const file = MakeDisplayPath(tname, 50);
-                       string const text  = bformat(_("The specified document template\n%1$s\ncould not be read."), file);
+                       docstring const file = makeDisplayPath(tname.absFilename(), 50);
+                       docstring const text  = bformat(
+                               _("The specified document template\n%1$s\ncould not be read."),
+                               file);
                        Alert::error(_("Could not read template"), text);
-                       // no template, start with empty buffer
-                       b->paragraphs.push_back(Paragraph());
-                       b->paragraphs.begin()->layout(b->params.getLyXTextClass().defaultLayout());
+                       theBufferList().release(b);
+                       return 0;
                }
-       } else {  // start with empty buffer
-               b->paragraphs.push_back(Paragraph());
-               b->paragraphs.begin()->layout(b->params.getLyXTextClass().defaultLayout());
        }
 
        if (!isNamed) {
@@ -180,49 +213,482 @@ Buffer * newFile(string const & filename, string const & templatename,
        }
 
        b->setReadonly(false);
-       b->updateDocLang(b->params.language);
+       b->fully_loaded(true);
+       b->updateDocLang(b->params().language);
 
        return b;
 }
 
 
-void bufferErrors(Buffer const & buf, TeXErrors const & terr)
+void bufferErrors(Buffer const & buf, TeXErrors const & terr,
+                                 ErrorList & errorList)
 {
        TeXErrors::Errors::const_iterator cit = terr.begin();
        TeXErrors::Errors::const_iterator end = terr.end();
 
        for (; cit != end; ++cit) {
-               int par_id = -1;
-               int posstart = -1;
-               int const errorrow = cit->error_in_line;
-               buf.texrow.getIdFromRow(errorrow, par_id, posstart);
-               int posend = -1;
-               buf.texrow.getIdFromRow(errorrow + 1, par_id, posend);
-               buf.error(ErrorItem(cit->error_desc,
-                                        cit->error_text,
-                                        par_id, posstart, posend));
+               int id_start = -1;
+               int pos_start = -1;
+               int errorrow = cit->error_in_line;
+               bool found = buf.texrow().getIdFromRow(errorrow, id_start,
+                                                      pos_start);
+               int id_end = -1;
+               int pos_end = -1;
+               do {
+                       ++errorrow;
+                       found = buf.texrow().getIdFromRow(errorrow, id_end,
+                                                         pos_end);
+               } while (found && id_start == id_end && pos_start == pos_end);
+
+               errorList.push_back(ErrorItem(cit->error_desc,
+                       cit->error_text, id_start, pos_start, pos_end));
        }
 }
 
 
-void bufferErrors(Buffer const & buf, ErrorList const & el)
+string const bufferFormat(Buffer const & buffer)
 {
-       ErrorList::const_iterator it = el.begin();
-       ErrorList::const_iterator end = el.end();
+       if (buffer.isDocBook())
+               return "docbook";
+       else if (buffer.isLiterate())
+               return "literate";
+       else
+               return "latex";
+}
+
 
-       for (; it != end; ++it)
-               buf.error(*it);
+int countWords(DocIterator const & from, DocIterator const & to)
+{
+       int count = 0;
+       bool inword = false;
+       for (DocIterator dit = from ; dit != to ; dit.forwardPos()) {
+               // Copied and adapted from isLetter() in ControlSpellChecker
+               if (dit.inTexted()
+                   && dit.pos() != dit.lastpos()
+                   && dit.paragraph().isLetter(dit.pos())
+                   && !dit.paragraph().isDeleted(dit.pos())) {
+                       if (!inword) {
+                               ++count;
+                               inword = true;
+                       }
+               } else if (inword)
+                       inword = false;
+       }
+
+       return count;
 }
 
 
-string const BufferFormat(Buffer const & buffer)
+namespace {
+
+depth_type getDepth(DocIterator const & it)
 {
-       if (buffer.isLinuxDoc())
-               return "linuxdoc";
-       else if (buffer.isDocBook())
-               return "docbook";
-       else if (buffer.isLiterate())
-               return "literate";
+       depth_type depth = 0;
+       for (size_t i = 0 ; i < it.depth() ; ++i)
+               if (!it[i].inset().inMathed())
+                       depth += it[i].paragraph().getDepth() + 1;
+       // remove 1 since the outer inset does not count
+       return depth - 1;
+}
+
+depth_type getItemDepth(ParIterator const & it)
+{
+       Paragraph const & par = *it;
+       LYX_LABEL_TYPES const labeltype = par.layout()->labeltype;
+
+       if (labeltype != LABEL_ENUMERATE && labeltype != LABEL_ITEMIZE)
+               return 0;
+
+       // this will hold the lowest depth encountered up to now.
+       depth_type min_depth = getDepth(it);
+       ParIterator prev_it = it;
+       while (true) {
+               if (prev_it.pit())
+                       --prev_it.top().pit();
+               else {
+                       // start of nested inset: go to outer par
+                       prev_it.pop_back();
+                       if (prev_it.empty()) {
+                               // start of document: nothing to do
+                               return 0;
+                       }
+               }
+
+               // We search for the first paragraph with same label
+               // that is not more deeply nested.
+               Paragraph & prev_par = *prev_it;
+               depth_type const prev_depth = getDepth(prev_it);
+               if (labeltype == prev_par.layout()->labeltype) {
+                       if (prev_depth < min_depth) {
+                               return prev_par.itemdepth + 1;
+                       }
+                       else if (prev_depth == min_depth) {
+                               return prev_par.itemdepth;
+                       }
+               }
+               min_depth = std::min(min_depth, prev_depth);
+               // small optimization: if we are at depth 0, we won't
+               // find anything else
+               if (prev_depth == 0) {
+                       return 0;
+               }
+       }
+}
+
+
+bool needEnumCounterReset(ParIterator const & it)
+{
+       Paragraph const & par = *it;
+       BOOST_ASSERT(par.layout()->labeltype == LABEL_ENUMERATE);
+       depth_type const cur_depth = par.getDepth();
+       ParIterator prev_it = it;
+       while (prev_it.pit()) {
+               --prev_it.top().pit();
+               Paragraph const & prev_par = *prev_it;
+               if (prev_par.getDepth() <= cur_depth)
+                       return  prev_par.layout()->labeltype != LABEL_ENUMERATE;
+       }
+       // start of nested inset: reset
+       return true;
+}
+
+
+void setCaptionLabels(InsetBase & inset, string const & type,
+               docstring const label, Counters & counters)
+{
+       LyXText * text = inset.getText(0);
+       if (!text)
+               return;
+
+       ParagraphList & pars = text->paragraphs();
+       if (pars.empty())
+               return;
+
+       docstring const counter = from_ascii(type);
+
+       ParagraphList::iterator p = pars.begin();
+       for (; p != pars.end(); ++p) {
+               InsetList::iterator it2 = p->insetlist.begin();
+               InsetList::iterator end2 = p->insetlist.end();
+               // Any caption within this float should have the same
+               // label prefix but different numbers.
+               for (; it2 != end2; ++it2) {
+                       InsetBase & icap = *it2->inset;
+                       // Look deeper just in case.
+                       setCaptionLabels(icap, type, label, counters);
+                       if (icap.lyxCode() == InsetBase::CAPTION_CODE) {
+                               // We found a caption!
+                               counters.step(counter); 
+                               int number = counters.value(counter);
+                               InsetCaption & ic = static_cast<InsetCaption &>(icap);
+                               ic.setType(type);
+                               ic.setCount(number);
+                               ic.setCustomLabel(label);
+                       }
+               }
+       }
+}
+
+
+void setCaptions(Paragraph & par, LyXTextClass const & textclass)
+{
+       if (par.insetlist.empty())
+               return;
+
+       Counters & counters = textclass.counters();
+
+       InsetList::iterator it = par.insetlist.begin();
+       InsetList::iterator end = par.insetlist.end();
+       for (; it != end; ++it) {
+               InsetBase & inset = *it->inset;
+               if (inset.lyxCode() == InsetBase::FLOAT_CODE 
+                       || inset.lyxCode() == InsetBase::WRAP_CODE) {
+                       docstring const & name = inset.getInsetName();
+                       if (name.empty())
+                               continue;
+
+                       Floating const & fl = textclass.floats().getType(to_ascii(name));
+                       // FIXME UNICODE
+                       string const & type = fl.type();
+                       docstring const label = from_utf8(fl.name());
+                       setCaptionLabels(inset, type, label, counters);
+               }
+               else if (inset.lyxCode() == InsetBase::TABULAR_CODE
+                       &&  static_cast<InsetTabular &>(inset).tabular.isLongTabular()) {
+                       // FIXME: are "table" and "Table" the correct type and label?
+                       setCaptionLabels(inset, "table", from_ascii("Table"), counters);
+               }
+       }
+}
+
+// set the label of a paragraph. This includes the counters.
+void setLabel(Buffer const & buf, ParIterator & it, LyXTextClass const & textclass)
+{
+       Paragraph & par = *it;
+       LyXLayout_ptr const & layout = par.layout();
+       Counters & counters = textclass.counters();
+
+       if (it.pit() == 0) {
+               par.params().appendix(par.params().startOfAppendix());
+       } else {
+               par.params().appendix(it.plist()[it.pit() - 1].params().appendix());
+               if (!par.params().appendix() &&
+                   par.params().startOfAppendix()) {
+                       par.params().appendix(true);
+                       textclass.counters().reset();
+               }
+       }
+
+       // Compute the item depth of the paragraph
+       par.itemdepth = getItemDepth(it);
+
+       if (layout->margintype == MARGIN_MANUAL) {
+               if (par.params().labelWidthString().empty())
+                       par.params().labelWidthString(par.translateIfPossible(layout->labelstring(), buf.params()));
+       } else {
+               par.params().labelWidthString(docstring());
+       }
+
+       // Optimisation: setLabel() can be called for each for each
+       // paragraph of the document. So we make the string static to
+       // avoid the repeated instanciation.
+       static docstring itemlabel;
+
+       // is it a layout that has an automatic label?
+       if (layout->labeltype == LABEL_COUNTER) {
+               if (layout->toclevel <= buf.params().secnumdepth
+                   && (layout->latextype != LATEX_ENVIRONMENT
+                       || isFirstInSequence(it.pit(), it.plist()))) {
+                       counters.step(layout->counter);
+                       par.params().labelString(
+                               par.expandLabel(layout, buf.params()));
+               } else
+                       par.params().labelString(docstring());
+
+       } else if (layout->labeltype == LABEL_ITEMIZE) {
+               // At some point of time we should do something more
+               // clever here, like:
+               //   par.params().labelString(
+               //    buf.params().user_defined_bullet(par.itemdepth).getText());
+               // for now, use a simple hardcoded label
+               switch (par.itemdepth) {
+               case 0:
+                       itemlabel = char_type(0x2022);
+                       break;
+               case 1:
+                       itemlabel = char_type(0x2013);
+                       break;
+               case 2:
+                       itemlabel = char_type(0x2217);
+                       break;
+               case 3:
+                       itemlabel = char_type(0x2219); // or 0x00b7
+                       break;
+               }
+               par.params().labelString(itemlabel);
+
+       } else if (layout->labeltype == LABEL_ENUMERATE) {
+               // FIXME
+               // Yes I know this is a really, really! bad solution
+               // (Lgb)
+               docstring enumcounter = from_ascii("enum");
+
+               switch (par.itemdepth) {
+               case 2:
+                       enumcounter += 'i';
+               case 1:
+                       enumcounter += 'i';
+               case 0:
+                       enumcounter += 'i';
+                       break;
+               case 3:
+                       enumcounter += "iv";
+                       break;
+               default:
+                       // not a valid enumdepth...
+                       break;
+               }
+
+               // Maybe we have to reset the enumeration counter.
+               if (needEnumCounterReset(it))
+                       counters.reset(enumcounter);
+
+               counters.step(enumcounter);
+
+               string format;
+
+               switch (par.itemdepth) {
+               case 0:
+                       format = N_("\\arabic{enumi}.");
+                       break;
+               case 1:
+                       format = N_("(\\alph{enumii})");
+                       break;
+               case 2:
+                       format = N_("\\roman{enumiii}.");
+                       break;
+               case 3:
+                       format = N_("\\Alph{enumiv}.");
+                       break;
+               default:
+                       // not a valid enumdepth...
+                       break;
+               }
+
+               par.params().labelString(counters.counterLabel(
+                       par.translateIfPossible(from_ascii(format), buf.params())));
+
+       } else if (layout->labeltype == LABEL_BIBLIO) {// ale970302
+               counters.step(from_ascii("bibitem"));
+               int number = counters.value(from_ascii("bibitem"));
+               if (par.bibitem())
+                       par.bibitem()->setCounter(number);
+
+               par.params().labelString(
+                       par.translateIfPossible(layout->labelstring(), buf.params()));
+               // In biblio shouldn't be following counters but...
+       } else if (layout->labeltype == LABEL_SENSITIVE) {
+               // Search for the first float or wrap inset in the iterator
+               size_t i = it.depth();
+               InsetBase * in;
+               while (i > 0) {
+                       --i;
+                       in = &it[i].inset();
+                       if (in->lyxCode() == InsetBase::FLOAT_CODE
+                           || in->lyxCode() == InsetBase::WRAP_CODE)
+                               break;
+               }
+               docstring const & type = in->getInsetName();
+
+               if (!type.empty()) {
+                       Floating const & fl = textclass.floats().getType(to_ascii(type));
+                       // FIXME UNICODE
+                       counters.step(from_ascii(fl.type()));
+
+                       // Doesn't work... yet.
+                       par.params().labelString(par.translateIfPossible(
+                               bformat(from_ascii("%1$s #:"), from_utf8(fl.name())),
+                               buf.params()));
+               } else {
+                       // par->SetLayout(0);
+                       par.params().labelString(par.translateIfPossible(
+                               layout->labelstring(), buf.params()));
+               }
+
+       } else if (layout->labeltype == LABEL_NO_LABEL)
+               par.params().labelString(docstring());
        else
-               return "latex";
+               par.params().labelString(
+                       par.translateIfPossible(layout->labelstring(), buf.params()));
 }
+
+} // anon namespace
+
+
+bool updateCurrentLabel(Buffer const & buf,
+       ParIterator & it)
+{
+    if (it == par_iterator_end(buf.inset()))
+       return false;
+
+//     if (it.lastpit == 0 && LyXText::isMainText(buf))
+//             return false;
+
+       switch (it->layout()->labeltype) {
+
+       case LABEL_NO_LABEL:
+       case LABEL_MANUAL:
+       case LABEL_BIBLIO:
+       case LABEL_TOP_ENVIRONMENT:
+       case LABEL_CENTERED_TOP_ENVIRONMENT:
+       case LABEL_STATIC:
+       case LABEL_ITEMIZE:
+               setLabel(buf, it, buf.params().getLyXTextClass());
+               return true;
+
+       case LABEL_SENSITIVE:
+       case LABEL_COUNTER:
+       // do more things with enumerate later
+       case LABEL_ENUMERATE:
+               return false;
+       }
+
+       // This is dead code which get rid of a warning:
+       return true;
+}
+
+
+void updateLabels(Buffer const & buf,
+       ParIterator & from, ParIterator & to, bool childonly)
+{
+       for (ParIterator it = from; it != to; ++it) {
+               if (it.pit() > it.lastpit())
+                       return;
+               if (!updateCurrentLabel (buf, it)) {
+                       updateLabels(buf, childonly);
+                       return;
+               }
+       }
+}
+
+
+void updateLabels(Buffer const & buf, ParIterator & iter, bool childonly)
+{
+       if (updateCurrentLabel(buf, iter))
+               return;
+
+       updateLabels(buf, childonly);
+}
+
+
+void updateLabels(Buffer const & buf, bool childonly)
+{
+       // Use the master text class also for child documents
+       LyXTextClass const & textclass = buf.params().getLyXTextClass();
+
+       if (!childonly) {
+               // If this is a child document start with the master
+               Buffer const * const master = buf.getMasterBuffer();
+               if (master != &buf) {
+                       updateLabels(*master);
+                       return;
+               }
+
+               // start over the counters
+               textclass.counters().reset();
+       }
+
+       ParIterator const end = par_iterator_end(buf.inset());
+
+       for (ParIterator it = par_iterator_begin(buf.inset()); it != end; ++it) {
+               // reduce depth if necessary
+               if (it.pit()) {
+                       Paragraph const & prevpar = it.plist()[it.pit() - 1];
+                       it->params().depth(min(it->params().depth(),
+                                              prevpar.getMaxDepthAfter()));
+               } else
+                       it->params().depth(0);
+
+               // set the counter for this paragraph
+               setLabel(buf, it, textclass);
+
+               // It is better to set the captions after setLabel because
+               // the caption number might need the section number in the
+               // future.
+               setCaptions(*it, textclass);
+
+               // Now included docs
+               InsetList::const_iterator iit = it->insetlist.begin();
+               InsetList::const_iterator end = it->insetlist.end();
+               for (; iit != end; ++iit) {
+                       if (iit->inset->lyxCode() == InsetBase::INCLUDE_CODE)
+                               static_cast<InsetInclude const *>(iit->inset)
+                                       ->updateLabels(buf);
+               }
+       }
+
+       const_cast<Buffer &>(buf).tocBackend().update();
+}
+
+
+} // namespace lyx