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2bbf8e5f2d
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35893 a592a061-630c-0410-9148-cb99ea01b6c8
260 lines
6.3 KiB
C++
260 lines
6.3 KiB
C++
/**
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* \file InsetLabel.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 Lars Gullik Bjønnes
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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 "InsetLabel.h"
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#include "InsetRef.h"
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#include "buffer_funcs.h"
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "BufferView.h"
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#include "CutAndPaste.h"
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#include "DispatchResult.h"
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#include "FuncRequest.h"
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#include "FuncStatus.h"
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#include "InsetIterator.h"
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#include "Language.h"
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#include "LyX.h"
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#include "output_xhtml.h"
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#include "ParIterator.h"
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#include "sgml.h"
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#include "Text.h"
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#include "TextClass.h"
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#include "TocBackend.h"
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#include "mathed/InsetMathHull.h"
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#include "mathed/InsetMathRef.h"
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#include "frontends/alert.h"
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#include "support/convert.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include "support/lyxalgo.h"
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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InsetLabel::InsetLabel(Buffer * buf, InsetCommandParams const & p)
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: InsetCommand(buf, p)
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{}
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void InsetLabel::initView()
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{
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updateCommand(getParam("name"));
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}
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void InsetLabel::updateCommand(docstring const & new_label, bool updaterefs)
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{
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docstring const old_label = getParam("name");
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docstring label = new_label;
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int i = 1;
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while (buffer().insetLabel(label)) {
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label = new_label + '-' + convert<docstring>(i);
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++i;
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}
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if (label != new_label) {
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// Warn the user that the label has been changed to something else.
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frontend::Alert::warning(_("Label names must be unique!"),
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bformat(_("The label %1$s already exists,\n"
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"it will be changed to %2$s."), new_label, label));
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}
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buffer().undo().beginUndoGroup();
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setParam("name", label);
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if (updaterefs) {
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Buffer::References & refs = buffer().references(old_label);
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Buffer::References::iterator it = refs.begin();
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Buffer::References::iterator end = refs.end();
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for (; it != end; ++it) {
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buffer().undo().recordUndo(it->second);
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if (it->first->lyxCode() == MATH_REF_CODE) {
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InsetMathHull * mi = it->first->asInsetMath()->asHullInset();
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mi->asRefInset()->changeTarget(label);
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} else {
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InsetCommand * ref = it->first->asInsetCommand();
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ref->setParam("reference", label);
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}
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}
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}
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buffer().undo().endUndoGroup();
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}
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ParamInfo const & InsetLabel::findInfo(string const & /* cmdName */)
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{
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static ParamInfo param_info_;
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if (param_info_.empty())
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param_info_.add("name", ParamInfo::LATEX_REQUIRED,
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ParamInfo::HANDLING_ESCAPE);
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return param_info_;
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}
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docstring InsetLabel::screenLabel() const
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{
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return screen_label_;
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}
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void InsetLabel::updateBuffer(ParIterator const & par, UpdateType utype)
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{
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docstring const & label = getParam("name");
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if (buffer().insetLabel(label)) {
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// Problem: We already have an InsetLabel with the same name!
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screen_label_ = _("DUPLICATE: ") + label;
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return;
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}
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buffer().setInsetLabel(label, this);
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screen_label_ = label;
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if (utype) {
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// save info on the active counter
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Counters const & cnts =
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buffer().masterBuffer()->params().documentClass().counters();
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active_counter_ = cnts.currentCounter();
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Language const * lang = par->getParLanguage(buffer().params());
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if (lang && !active_counter_.empty()) {
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counter_value_ = cnts.theCounter(active_counter_, lang->code());
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pretty_counter_ = cnts.prettyCounter(active_counter_, lang->code());
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} else {
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counter_value_ = from_ascii("??");
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pretty_counter_ = from_ascii("??");
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}
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}
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}
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void InsetLabel::addToToc(DocIterator const & cpit)
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{
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docstring const & label = getParam("name");
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Toc & toc = buffer().tocBackend().toc("label");
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if (buffer().insetLabel(label) != this) {
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toc.push_back(TocItem(cpit, 0, screen_label_));
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return;
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}
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toc.push_back(TocItem(cpit, 0, screen_label_));
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Buffer::References const & refs = buffer().references(label);
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Buffer::References::const_iterator it = refs.begin();
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Buffer::References::const_iterator end = refs.end();
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for (; it != end; ++it) {
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DocIterator const ref_pit(it->second);
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if (it->first->lyxCode() == MATH_REF_CODE)
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toc.push_back(TocItem(ref_pit, 1,
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it->first->asInsetMath()->asHullInset()->asRefInset()
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->screenLabel()));
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else
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toc.push_back(TocItem(ref_pit, 1,
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static_cast<InsetRef *>(it->first)->screenLabel()));
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}
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}
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bool InsetLabel::getStatus(Cursor & cur, FuncRequest const & cmd,
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FuncStatus & status) const
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{
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bool enabled;
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switch (cmd.action()) {
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case LFUN_LABEL_INSERT_AS_REF:
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case LFUN_LABEL_COPY_AS_REF:
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enabled = true;
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break;
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default:
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return InsetCommand::getStatus(cur, cmd, status);
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}
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status.setEnabled(enabled);
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return true;
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}
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void InsetLabel::doDispatch(Cursor & cur, FuncRequest & cmd)
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{
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switch (cmd.action()) {
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case LFUN_INSET_MODIFY: {
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InsetCommandParams p(LABEL_CODE);
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// FIXME UNICODE
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InsetCommand::string2params(to_utf8(cmd.argument()), p);
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if (p.getCmdName().empty()) {
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cur.noScreenUpdate();
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break;
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}
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if (p["name"] != params()["name"])
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updateCommand(p["name"]);
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cur.forceBufferUpdate();
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break;
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}
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case LFUN_LABEL_COPY_AS_REF: {
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InsetCommandParams p(REF_CODE, "ref");
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p["reference"] = getParam("name");
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cap::clearSelection();
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cap::copyInset(cur, new InsetRef(buffer_, p), getParam("name"));
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break;
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}
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case LFUN_LABEL_INSERT_AS_REF: {
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InsetCommandParams p(REF_CODE, "ref");
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p["reference"] = getParam("name");
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string const data = InsetCommand::params2string(p);
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lyx::dispatch(FuncRequest(LFUN_INSET_INSERT, data));
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break;
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}
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default:
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InsetCommand::doDispatch(cur, cmd);
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break;
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}
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}
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int InsetLabel::plaintext(odocstream & os, OutputParams const &) const
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{
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docstring const str = getParam("name");
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os << '<' << str << '>';
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return 2 + str.size();
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}
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int InsetLabel::docbook(odocstream & os, OutputParams const & runparams) const
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{
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os << "<!-- anchor id=\""
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<< sgml::cleanID(buffer(), runparams, getParam("name"))
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<< "\" -->";
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return 0;
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}
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docstring InsetLabel::xhtml(XHTMLStream & xs, OutputParams const &) const
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{
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// FIXME XHTML
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// Unfortunately, the name attribute has been deprecated, so we have to use
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// id here to get the document to validate as XHTML 1.1. This will cause a
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// problem with some browsers, though, I'm sure. (Guess which!) So we will
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// have to figure out what to do about this later.
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string const attr = "id=\"" + html::cleanAttr(to_utf8(getParam("name"))) + "\"";
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xs << html::CompTag("a", attr);
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return docstring();
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}
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} // namespace lyx
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