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https://git.lyx.org/repos/lyx.git
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b54b51c694
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@26642 a592a061-630c-0410-9148-cb99ea01b6c8
233 lines
4.9 KiB
C++
233 lines
4.9 KiB
C++
/**
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* \file TocBackend.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Jean-Marc Lasgouttes
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* \author Angus Leeming
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* \author Abdelrazak Younes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "TocBackend.h"
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "FloatList.h"
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#include "FuncRequest.h"
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#include "InsetList.h"
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#include "Layout.h"
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#include "LyXAction.h"
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#include "Paragraph.h"
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#include "ParIterator.h"
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#include "TextClass.h"
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#include "insets/InsetOptArg.h"
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#include "support/convert.h"
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#include "support/debug.h"
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#include "support/docstream.h"
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#include "support/lassert.h"
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using namespace std;
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namespace lyx {
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///////////////////////////////////////////////////////////////////////////
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//
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// TocItem implementation
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//
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///////////////////////////////////////////////////////////////////////////
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TocItem::TocItem(DocIterator const & dit, int d, docstring const & s)
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: dit_(dit), depth_(d), str_(s)
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{
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}
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int TocItem::id() const
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{
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return dit_.paragraph().id();
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}
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int TocItem::depth() const
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{
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return depth_;
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}
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docstring const & TocItem::str() const
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{
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return str_;
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}
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docstring const TocItem::asString() const
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{
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return docstring(4 * depth_, ' ') + str_;
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}
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FuncRequest TocItem::action() const
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{
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string const arg = convert<string>(dit_.paragraph().id())
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+ ' ' + convert<string>(dit_.pos());
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return FuncRequest(LFUN_PARAGRAPH_GOTO, arg);
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}
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///////////////////////////////////////////////////////////////////////////
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//
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// TocBackend implementation
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//
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///////////////////////////////////////////////////////////////////////////
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Toc const & TocBackend::toc(string const & type) const
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{
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// Is the type already supported?
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TocList::const_iterator it = tocs_.find(type);
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LASSERT(it != tocs_.end(), /**/);
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return it->second;
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}
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Toc & TocBackend::toc(string const & type)
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{
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return tocs_[type];
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}
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bool TocBackend::updateItem(DocIterator const & dit)
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{
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if (dit.paragraph().layout().toclevel == Layout::NOT_IN_TOC)
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return false;
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if (toc("tableofcontents").empty()) {
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// FIXME: should not happen,
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// a call to TocBackend::update() is missing somewhere
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LYXERR0("TocBackend::updateItem called but the TOC is empty!");
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return false;
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}
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BufferParams const & bufparams = buffer_->params();
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const int min_toclevel = bufparams.documentClass().min_toclevel();
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TocIterator toc_item = item("tableofcontents", dit);
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docstring tocstring;
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// For each paragraph, traverse its insets and let them add
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// their toc items
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Paragraph & par = toc_item->dit_.paragraph();
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InsetList::const_iterator it = par.insetList().begin();
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InsetList::const_iterator end = par.insetList().end();
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for (; it != end; ++it) {
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Inset & inset = *it->inset;
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if (inset.lyxCode() == OPTARG_CODE) {
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if (!tocstring.empty())
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break;
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Paragraph const & inset_par =
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*static_cast<InsetOptArg&>(inset).paragraphs().begin();
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if (!par.labelString().empty())
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tocstring = par.labelString() + ' ';
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tocstring += inset_par.asString();
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break;
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}
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}
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int const toclevel = par.layout().toclevel;
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if (toclevel != Layout::NOT_IN_TOC && toclevel >= min_toclevel
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&& tocstring.empty())
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tocstring = par.asString(AS_STR_LABEL);
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const_cast<TocItem &>(*toc_item).str_ = tocstring;
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buffer_->updateTocItem("tableofcontents", dit);
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return true;
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}
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void TocBackend::update()
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{
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tocs_.clear();
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DocIterator dit;
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buffer_->inset().addToToc(dit);
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}
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TocIterator TocBackend::item(string const & type,
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DocIterator const & dit) const
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{
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TocList::const_iterator toclist_it = tocs_.find(type);
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// Is the type supported?
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LASSERT(toclist_it != tocs_.end(), /**/);
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return toclist_it->second.item(dit);
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}
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TocIterator Toc::item(DocIterator const & dit) const
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{
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TocIterator last = begin();
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TocIterator it = end();
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if (it == last)
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return it;
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--it;
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DocIterator dit_text = dit;
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if (dit_text.inMathed()) {
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// We are only interested in text so remove the math CursorSlice.
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while (dit_text.inMathed())
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dit_text.pop_back();
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}
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for (; it != last; --it) {
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// We verify that we don't compare contents of two
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// different document. This happens when you
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// have parent and child documents.
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if (&it->dit_[0].inset() != &dit_text[0].inset())
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continue;
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if (it->dit_ <= dit_text)
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return it;
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}
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// We are before the first Toc Item:
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return last;
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}
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Toc::iterator Toc::item(int depth, docstring const & str)
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{
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if (empty())
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return end();
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iterator it = begin();
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iterator itend = end();
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for (; it != itend; ++it) {
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if (it->depth() == depth && it->str() == str)
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break;
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}
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return it;
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}
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void TocBackend::writePlaintextTocList(string const & type, odocstream & os) const
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{
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TocList::const_iterator cit = tocs_.find(type);
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if (cit != tocs_.end()) {
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TocIterator ccit = cit->second.begin();
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TocIterator end = cit->second.end();
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for (; ccit != end; ++ccit)
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os << ccit->asString() << from_utf8("\n");
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}
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}
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} // namespace lyx
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