3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Jean-Marc Lasgouttes
7 * \author Angus Leeming
8 * \author Abdelrazak Younes
9 * \author Guillaume Munch
11 * Full author contact details are available in file CREDITS.
16 #include "TocBackend.h"
19 #include "BufferParams.h"
20 #include "FloatList.h"
21 #include "FuncRequest.h"
22 #include "InsetList.h"
24 #include "LyXAction.h"
25 #include "Paragraph.h"
26 #include "ParIterator.h"
27 #include "TextClass.h"
29 #include "insets/InsetArgument.h"
31 #include "support/convert.h"
32 #include "support/debug.h"
33 #include "support/docstream.h"
34 #include "support/lassert.h"
35 #include "support/lstrings.h"
43 ///////////////////////////////////////////////////////////////////////////
45 // TocItem implementation
47 ///////////////////////////////////////////////////////////////////////////
49 TocItem::TocItem(DocIterator const & dit, int d, docstring const & s,
50 bool output_active, docstring const & t, FuncRequest action) :
51 dit_(dit), depth_(d), str_(s), tooltip_(t), output_(output_active),
57 int TocItem::id() const
59 return dit_.paragraph().id();
63 docstring const & TocItem::tooltip() const
65 return tooltip_.empty() ? str_ : tooltip_;
69 docstring const TocItem::asString() const
71 static char_type const cross = 0x2716; // ✖ U+2716 HEAVY MULTIPLICATION X
72 static char_type const thin = 0x2009; // U+2009 THIN SPACE
83 // convert a DocIterator into an argument to LFUN_PARAGRAPH_GOTO
84 docstring paragraph_goto_arg(DocIterator const & dit)
86 CursorSlice const & s = dit.innerTextSlice();
87 return convert<docstring>(s.paragraph().id()) + ' ' +
88 convert<docstring>(s.pos());
93 FuncRequest TocItem::action() const
95 if (action_.action() == LFUN_UNKNOWN_ACTION) {
96 return FuncRequest(LFUN_PARAGRAPH_GOTO, paragraph_goto_arg(dit_));
102 ///////////////////////////////////////////////////////////////////////////
104 // Toc implementation
106 ///////////////////////////////////////////////////////////////////////////
108 TocIterator Toc::item(DocIterator const & dit) const
110 TocIterator last = begin();
111 TocIterator it = end();
117 DocIterator dit_text = dit;
118 if (dit_text.inMathed()) {
119 // We are only interested in text so remove the math CursorSlice.
120 while (dit_text.inMathed())
124 for (; it != last; --it) {
125 // We verify that we don't compare contents of two
126 // different document. This happens when you
127 // have parent and child documents.
128 if (&it->dit_[0].inset() != &dit_text[0].inset())
130 if (it->dit_ <= dit_text)
134 // We are before the first Toc Item:
139 Toc::iterator Toc::item(int depth, docstring const & str)
143 iterator it = begin();
144 iterator itend = end();
145 for (; it != itend; ++it) {
146 if (it->depth() == depth && it->str() == str)
153 ///////////////////////////////////////////////////////////////////////////
155 // TocBuilder implementation
157 ///////////////////////////////////////////////////////////////////////////
159 TocBuilder::TocBuilder(shared_ptr<Toc> toc)
160 : toc_(toc ? toc : lyx::make_shared<Toc>()),
166 void TocBuilder::pushItem(DocIterator const & dit, docstring const & s,
167 bool output_active, bool is_captioned)
169 toc_->push_back(TocItem(dit, stack_.size(), s, output_active));
171 toc_->size() - 1, //pos
172 is_captioned, //is_captioned
177 void TocBuilder::captionItem(DocIterator const & dit, docstring const & s,
180 // first show the float before moving to the caption
181 docstring arg = "paragraph-goto " + paragraph_goto_arg(dit);
183 arg = "paragraph-goto " +
184 paragraph_goto_arg((*toc_)[stack_.top().pos].dit_) + ";" + arg;
185 FuncRequest func(LFUN_COMMAND_SEQUENCE, arg);
187 if (!stack_.empty() && !stack_.top().is_captioned) {
188 // The float we entered has not yet been assigned a caption.
189 // Assign the caption string to it.
190 TocItem & captionable = (*toc_)[stack_.top().pos];
192 captionable.setAction(func);
193 stack_.top().is_captioned = true;
195 // This is a new entry.
197 // the dit is at the float's level, e.g. for the contextual menu of
199 DocIterator captionable_dit = dit;
200 captionable_dit.pop_back();
201 pushItem(captionable_dit, s, output_active, true);
202 (*toc_)[stack_.top().pos].setAction(func);
206 void TocBuilder::pop()
214 ///////////////////////////////////////////////////////////////////////////
216 // TocBuilderStore implementation
218 ///////////////////////////////////////////////////////////////////////////
220 shared_ptr<TocBuilder> TocBuilderStore::get(string const & type,
223 map_t::const_iterator it = map_.find(type);
224 if (it == map_.end()) {
225 it = map_.insert(std::make_pair(type,
226 lyx::make_shared<TocBuilder>(toc))).first;
233 ///////////////////////////////////////////////////////////////////////////
235 // TocBackend implementation
237 ///////////////////////////////////////////////////////////////////////////
239 shared_ptr<Toc const> TocBackend::toc(string const & type) const
241 // Is the type already supported?
242 TocList::const_iterator it = tocs_.find(type);
243 LASSERT(it != tocs_.end(), { return lyx::make_shared<Toc>(); });
248 shared_ptr<Toc> TocBackend::toc(string const & type)
250 TocList::const_iterator it = tocs_.find(type);
251 if (it == tocs_.end()) {
252 it = tocs_.insert(std::make_pair(type, lyx::make_shared<Toc>())).first;
258 shared_ptr<TocBuilder> TocBackend::builder(string const & type)
260 return builders_.get(type, toc(type));
264 // FIXME: This function duplicates functionality from InsetText::iterateForToc.
265 // Both have their own way of computing the TocItem for "tableofcontents". The
266 // TocItem creation and update should be made in a dedicated function and
267 // updateItem should be rewritten to uniformly update the matching items from
269 bool TocBackend::updateItem(DocIterator const & dit)
271 if (dit.text()->getTocLevel(dit.pit()) == Layout::NOT_IN_TOC)
274 if (toc("tableofcontents")->empty()) {
275 // FIXME: should not happen,
276 // a call to TocBackend::update() is missing somewhere
277 LYXERR0("TocBackend::updateItem called but the TOC is empty!");
281 BufferParams const & bufparams = buffer_->params();
282 const int min_toclevel = bufparams.documentClass().min_toclevel();
284 TocIterator toc_item = item("tableofcontents", dit);
288 // For each paragraph, traverse its insets and let them add
291 // FIXME: This is supposed to accomplish the same as the body of
292 // InsetText::iterateForToc(), probably
293 Paragraph & par = toc_item->dit_.paragraph();
294 InsetList::const_iterator it = par.insetList().begin();
295 InsetList::const_iterator end = par.insetList().end();
296 for (; it != end; ++it) {
297 Inset & inset = *it->inset;
298 if (inset.lyxCode() == ARG_CODE) {
299 tocstring = par.labelString();
300 if (!tocstring.empty())
302 inset.asInsetText()->text().forOutliner(tocstring,TOC_ENTRY_LENGTH);
307 int const toclevel = toc_item->dit_.text()->
308 getTocLevel(toc_item->dit_.pit());
309 if (toclevel != Layout::NOT_IN_TOC && toclevel >= min_toclevel
310 && tocstring.empty())
311 par.forOutliner(tocstring, TOC_ENTRY_LENGTH);
313 support::truncateWithEllipsis(tocstring, TOC_ENTRY_LENGTH);
314 const_cast<TocItem &>(*toc_item).str(tocstring);
316 buffer_->updateTocItem("tableofcontents", dit);
321 void TocBackend::update(bool output_active, UpdateType utype)
323 for (TocList::iterator it = tocs_.begin(); it != tocs_.end(); ++it)
327 if (!buffer_->isInternal()) {
329 buffer_->inset().addToToc(dit, output_active, utype);
334 TocIterator TocBackend::item(string const & type,
335 DocIterator const & dit) const
337 TocList::const_iterator toclist_it = tocs_.find(type);
338 // Is the type supported?
339 // We will try to make the best of it in release mode
340 LASSERT(toclist_it != tocs_.end(), toclist_it = tocs_.begin());
341 return toclist_it->second->item(dit);
345 void TocBackend::writePlaintextTocList(string const & type,
346 odocstringstream & os, size_t max_length) const
348 TocList::const_iterator cit = tocs_.find(type);
349 if (cit != tocs_.end()) {
350 TocIterator ccit = cit->second->begin();
351 TocIterator end = cit->second->end();
352 for (; ccit != end; ++ccit) {
353 os << ccit->asString() << from_utf8("\n");
354 if (os.str().size() > max_length)