return 0;
}
Buffer * b = theBufferList().newBuffer(filename.absFilename());
- if (!b)
+ if (!b) {
// Buffer creation is not possible.
return 0;
+ }
if (!b->loadLyXFile(filename)) {
theBufferList().release(b);
return 0;
return chars + blanks;
}
-
-namespace {
-
-depth_type getDepth(DocIterator const & it)
-{
- 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;
- LabelType 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;
- if (prev_depth == min_depth)
- return prev_par.itemdepth;
- }
- min_depth = 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;
- LASSERT(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;
-}
-
-
-// set the label of a paragraph. This includes the counters.
-void setLabel(Buffer const & buf, ParIterator & it)
-{
- BufferParams const & bp = buf.masterBuffer()->params();
- DocumentClass const & textclass = bp.documentClass();
- Paragraph & par = it.paragraph();
- Layout const & layout = par.layout();
- Counters & counters = textclass.counters();
-
- if (par.params().startOfAppendix()) {
- // FIXME: only the counter corresponding to toplevel
- // sectionning should be reset
- counters.reset();
- counters.appendix(true);
- }
- par.params().appendix(counters.appendix());
-
- // 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(), bp));
- } else {
- par.params().labelWidthString(docstring());
- }
-
- switch(layout.labeltype) {
- case LABEL_COUNTER:
- if (layout.toclevel <= bp.secnumdepth
- && (layout.latextype != LATEX_ENVIRONMENT
- || isFirstInSequence(it.pit(), it.plist()))) {
- counters.step(layout.counter);
- par.params().labelString(
- par.expandLabel(layout, bp));
- } else
- par.params().labelString(docstring());
- break;
-
- case LABEL_ITEMIZE: {
- // At some point of time we should do something more
- // clever here, like:
- // par.params().labelString(
- // bp.user_defined_bullet(par.itemdepth).getText());
- // for now, use a simple hardcoded label
- docstring itemlabel;
- 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);
- break;
- }
-
- case 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), bp)));
-
- break;
- }
-
- case LABEL_SENSITIVE: {
- string const & type = counters.current_float();
- docstring full_label;
- if (type.empty())
- full_label = buf.B_("Senseless!!! ");
- else {
- docstring name = buf.B_(textclass.floats().getType(type).name());
- if (counters.hasCounter(from_utf8(type))) {
- counters.step(from_utf8(type));
- full_label = bformat(from_ascii("%1$s %2$s:"),
- name,
- counters.theCounter(from_utf8(type)));
- } else
- full_label = bformat(from_ascii("%1$s #:"), name);
- }
- par.params().labelString(full_label);
- break;
- }
-
- case LABEL_NO_LABEL:
- par.params().labelString(docstring());
- break;
-
- case LABEL_MANUAL:
- case LABEL_TOP_ENVIRONMENT:
- case LABEL_CENTERED_TOP_ENVIRONMENT:
- case LABEL_STATIC:
- case LABEL_BIBLIO:
- par.params().labelString(
- par.translateIfPossible(layout.labelstring(), bp));
- break;
- }
-}
-
-} // anon namespace
-
-void updateLabels(Buffer const & buf, ParIterator & parit)
-{
- LASSERT(parit.pit() == 0, /**/);
-
- // set the position of the text in the buffer to be able
- // to resolve macros in it. This has nothing to do with
- // labels, but by putting it here we avoid implementing
- // a whole bunch of traversal routines just for this call.
- parit.text()->setMacrocontextPosition(parit);
-
- depth_type maxdepth = 0;
- pit_type const lastpit = parit.lastpit();
- for ( ; parit.pit() <= lastpit ; ++parit.pit()) {
- // reduce depth if necessary
- parit->params().depth(min(parit->params().depth(), maxdepth));
- maxdepth = parit->getMaxDepthAfter();
-
- // set the counter for this paragraph
- setLabel(buf, parit);
-
- // Now the insets
- InsetList::const_iterator iit = parit->insetList().begin();
- InsetList::const_iterator end = parit->insetList().end();
- for (; iit != end; ++iit) {
- parit.pos() = iit->pos;
- iit->inset->updateLabels(parit);
- }
- }
-}
-
} // namespace lyx
projects / features.git / blobdiff