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https://git.lyx.org/repos/lyx.git
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3911d72568
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21127 a592a061-630c-0410-9148-cb99ea01b6c8
2557 lines
59 KiB
C++
2557 lines
59 KiB
C++
/**
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* \file Paragraph.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 Asger Alstrup
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* \author Lars Gullik Bjønnes
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* \author Jean-Marc Lasgouttes
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* \author Angus Leeming
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* \author John Levon
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* \author André Pönitz
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* \author Dekel Tsur
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* \author Jürgen Vigna
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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 "Paragraph.h"
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "Changes.h"
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#include "Counters.h"
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#include "Encoding.h"
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#include "debug.h"
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#include "gettext.h"
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#include "InsetList.h"
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#include "Language.h"
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#include "LaTeXFeatures.h"
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#include "Color.h"
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#include "Layout.h"
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#include "Length.h"
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#include "Font.h"
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#include "FontList.h"
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#include "LyXRC.h"
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#include "Messages.h"
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#include "OutputParams.h"
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#include "output_latex.h"
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#include "paragraph_funcs.h"
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#include "ParagraphParameters.h"
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#include "sgml.h"
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#include "TexRow.h"
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#include "VSpace.h"
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#include "frontends/alert.h"
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#include "frontends/FontMetrics.h"
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#include "insets/InsetBibitem.h"
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#include "insets/InsetOptArg.h"
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#include "support/lstrings.h"
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#include "support/textutils.h"
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#include "support/convert.h"
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#include "support/unicode.h"
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#include <sstream>
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using std::endl;
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using std::string;
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using std::ostream;
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namespace lyx {
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using support::contains;
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using support::prefixIs;
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using support::suffixIs;
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using support::rsplit;
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using support::rtrim;
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/////////////////////////////////////////////////////////////////////
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//
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// Paragraph::Private
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//
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/////////////////////////////////////////////////////////////////////
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class Paragraph::Private
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{
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public:
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///
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Private(Paragraph * owner);
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/// "Copy constructor"
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Private(Private const &, Paragraph * owner);
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///
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value_type getChar(pos_type pos) const;
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///
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void insertChar(pos_type pos, value_type c, Change const & change);
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/// Output the surrogate pair formed by \p c and \p next to \p os.
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/// \return the number of characters written.
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int latexSurrogatePair(odocstream & os, value_type c, value_type next,
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Encoding const &);
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/// Output a space in appropriate formatting (or a surrogate pair
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/// if the next character is a combining character).
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/// \return whether a surrogate pair was output.
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bool simpleTeXBlanks(Encoding const &,
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odocstream &, TexRow & texrow,
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pos_type i,
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unsigned int & column,
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Font const & font,
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Layout const & style);
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/// Output consecutive known unicode chars, belonging to the same
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/// language as specified by \p preamble, to \p os starting from \p c.
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/// \return the number of characters written.
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int knownLangChars(odocstream & os, value_type c, string & preamble,
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Change &, Encoding const &, pos_type &);
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///
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void latexInset(Buffer const &, BufferParams const &,
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odocstream &,
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TexRow & texrow, OutputParams &,
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Font & running_font,
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Font & basefont,
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Font const & outerfont,
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bool & open_font,
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Change & running_change,
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Layout const & style,
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pos_type & i,
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unsigned int & column);
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///
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void latexSpecialChar(
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odocstream & os,
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OutputParams & runparams,
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Font & running_font,
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Change & running_change,
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Layout const & style,
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pos_type & i,
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unsigned int & column);
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///
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void validate(LaTeXFeatures & features,
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Layout const & layout) const;
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///
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pos_type size() const { return owner_->size(); }
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/// match a string against a particular point in the paragraph
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bool isTextAt(std::string const & str, pos_type pos) const;
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/// Which Paragraph owns us?
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Paragraph * owner_;
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/// In which Inset?
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Inset * inset_owner_;
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///
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FontList fontlist_;
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///
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unsigned int id_;
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///
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static unsigned int paragraph_id;
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///
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ParagraphParameters params_;
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/// for recording and looking up changes
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Changes changes_;
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///
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InsetList insetlist_;
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};
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using std::endl;
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using std::upper_bound;
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using std::lower_bound;
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using std::string;
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// Initialization of the counter for the paragraph id's,
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unsigned int Paragraph::Private::paragraph_id = 0;
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namespace {
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struct special_phrase {
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string phrase;
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docstring macro;
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bool builtin;
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};
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special_phrase const special_phrases[] = {
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{ "LyX", from_ascii("\\protect\\LyX{}"), false },
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{ "TeX", from_ascii("\\protect\\TeX{}"), true },
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{ "LaTeX2e", from_ascii("\\protect\\LaTeXe{}"), true },
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{ "LaTeX", from_ascii("\\protect\\LaTeX{}"), true },
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};
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size_t const phrases_nr = sizeof(special_phrases)/sizeof(special_phrase);
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} // namespace anon
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Paragraph::Private::Private(Paragraph * owner)
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: owner_(owner)
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{
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inset_owner_ = 0;
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id_ = paragraph_id++;
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}
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Paragraph::Private::Private(Private const & p, Paragraph * owner)
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: owner_(owner), inset_owner_(p.inset_owner_), fontlist_(p.fontlist_),
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params_(p.params_), changes_(p.changes_), insetlist_(p.insetlist_)
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{
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id_ = paragraph_id++;
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}
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bool Paragraph::isChanged(pos_type start, pos_type end) const
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{
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BOOST_ASSERT(start >= 0 && start <= size());
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BOOST_ASSERT(end > start && end <= size() + 1);
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return d->changes_.isChanged(start, end);
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}
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bool Paragraph::isMergedOnEndOfParDeletion(bool trackChanges) const {
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// keep the logic here in sync with the logic of eraseChars()
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if (!trackChanges) {
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return true;
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}
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Change change = d->changes_.lookup(size());
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return change.type == Change::INSERTED && change.author == 0;
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}
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void Paragraph::setChange(Change const & change)
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{
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// beware of the imaginary end-of-par character!
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d->changes_.set(change, 0, size() + 1);
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/*
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* Propagate the change recursively - but not in case of DELETED!
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*
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* Imagine that your co-author makes changes in an existing inset. He
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* sends your document to you and you come to the conclusion that the
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* inset should go completely. If you erase it, LyX must not delete all
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* text within the inset. Otherwise, the change tracked insertions of
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* your co-author get lost and there is no way to restore them later.
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*
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* Conclusion: An inset's content should remain untouched if you delete it
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*/
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if (change.type != Change::DELETED) {
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for (pos_type pos = 0; pos < size(); ++pos) {
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if (isInset(pos))
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getInset(pos)->setChange(change);
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}
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}
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}
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void Paragraph::setChange(pos_type pos, Change const & change)
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{
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BOOST_ASSERT(pos >= 0 && pos <= size());
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d->changes_.set(change, pos);
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// see comment in setChange(Change const &) above
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if (change.type != Change::DELETED &&
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pos < size() && isInset(pos)) {
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getInset(pos)->setChange(change);
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}
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}
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Change const & Paragraph::lookupChange(pos_type pos) const
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{
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BOOST_ASSERT(pos >= 0 && pos <= size());
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return d->changes_.lookup(pos);
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}
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void Paragraph::acceptChanges(BufferParams const & bparams, pos_type start,
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pos_type end)
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{
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BOOST_ASSERT(start >= 0 && start <= size());
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BOOST_ASSERT(end > start && end <= size() + 1);
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for (pos_type pos = start; pos < end; ++pos) {
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switch (lookupChange(pos).type) {
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case Change::UNCHANGED:
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// accept changes in nested inset
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if (pos < size() && isInset(pos))
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getInset(pos)->acceptChanges(bparams);
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break;
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case Change::INSERTED:
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d->changes_.set(Change(Change::UNCHANGED), pos);
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// also accept changes in nested inset
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if (pos < size() && isInset(pos)) {
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getInset(pos)->acceptChanges(bparams);
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}
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break;
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case Change::DELETED:
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// Suppress access to non-existent
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// "end-of-paragraph char"
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if (pos < size()) {
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eraseChar(pos, false);
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--end;
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--pos;
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}
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break;
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}
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}
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}
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void Paragraph::rejectChanges(BufferParams const & bparams,
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pos_type start, pos_type end)
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{
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BOOST_ASSERT(start >= 0 && start <= size());
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BOOST_ASSERT(end > start && end <= size() + 1);
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for (pos_type pos = start; pos < end; ++pos) {
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switch (lookupChange(pos).type) {
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case Change::UNCHANGED:
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// reject changes in nested inset
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if (pos < size() && isInset(pos)) {
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getInset(pos)->rejectChanges(bparams);
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}
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break;
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case Change::INSERTED:
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// Suppress access to non-existent
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// "end-of-paragraph char"
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if (pos < size()) {
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eraseChar(pos, false);
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--end;
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--pos;
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}
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break;
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case Change::DELETED:
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d->changes_.set(Change(Change::UNCHANGED), pos);
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// Do NOT reject changes within a deleted inset!
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// There may be insertions of a co-author inside of it!
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break;
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}
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}
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}
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Paragraph::value_type Paragraph::Private::getChar(pos_type pos) const
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{
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BOOST_ASSERT(pos >= 0 && pos <= size());
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return owner_->getChar(pos);
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}
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void Paragraph::Private::insertChar(pos_type pos, value_type c,
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Change const & change)
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{
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BOOST_ASSERT(pos >= 0 && pos <= size());
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// track change
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changes_.insert(change, pos);
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// This is actually very common when parsing buffers (and
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// maybe inserting ascii text)
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if (pos == size()) {
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// when appending characters, no need to update tables
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owner_->text_.push_back(c);
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return;
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}
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owner_->text_.insert(owner_->text_.begin() + pos, c);
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// Update the font table.
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fontlist_.increasePosAfterPos(pos);
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// Update the insets
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insetlist_.increasePosAfterPos(pos);
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}
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void Paragraph::insertInset(pos_type pos, Inset * inset,
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Change const & change)
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{
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BOOST_ASSERT(inset);
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BOOST_ASSERT(pos >= 0 && pos <= size());
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d->insertChar(pos, META_INSET, change);
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BOOST_ASSERT(text_[pos] == META_INSET);
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// Add a new entry in the insetlist_.
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d->insetlist_.insert(inset, pos);
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}
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bool Paragraph::eraseChar(pos_type pos, bool trackChanges)
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{
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BOOST_ASSERT(pos >= 0 && pos <= size());
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// keep the logic here in sync with the logic of isMergedOnEndOfParDeletion()
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if (trackChanges) {
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Change change = d->changes_.lookup(pos);
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// set the character to DELETED if
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// a) it was previously unchanged or
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// b) it was inserted by a co-author
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if (change.type == Change::UNCHANGED ||
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(change.type == Change::INSERTED && change.author != 0)) {
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setChange(pos, Change(Change::DELETED));
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return false;
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}
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if (change.type == Change::DELETED)
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return false;
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}
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// Don't physically access the imaginary end-of-paragraph character.
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// eraseChar() can only mark it as DELETED. A physical deletion of
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// end-of-par must be handled externally.
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if (pos == size()) {
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return false;
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}
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// track change
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d->changes_.erase(pos);
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// if it is an inset, delete the inset entry
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if (text_[pos] == Paragraph::META_INSET)
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d->insetlist_.erase(pos);
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text_.erase(text_.begin() + pos);
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// Update the fontlist_
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d->fontlist_.erase(pos);
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// Update the insetlist_
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d->insetlist_.decreasePosAfterPos(pos);
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return true;
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}
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int Paragraph::eraseChars(pos_type start, pos_type end, bool trackChanges)
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{
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BOOST_ASSERT(start >= 0 && start <= size());
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BOOST_ASSERT(end >= start && end <= size() + 1);
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pos_type i = start;
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for (pos_type count = end - start; count; --count) {
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if (!eraseChar(i, trackChanges))
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++i;
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}
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return end - i;
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}
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int Paragraph::Private::latexSurrogatePair(odocstream & os, value_type c,
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value_type next, Encoding const & encoding)
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{
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// Writing next here may circumvent a possible font change between
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// c and next. Since next is only output if it forms a surrogate pair
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// with c we can ignore this:
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// A font change inside a surrogate pair does not make sense and is
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// hopefully impossible to input.
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// FIXME: change tracking
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// Is this correct WRT change tracking?
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docstring const latex1 = encoding.latexChar(next);
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docstring const latex2 = encoding.latexChar(c);
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os << latex1 << '{' << latex2 << '}';
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return latex1.length() + latex2.length() + 2;
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}
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bool Paragraph::Private::simpleTeXBlanks(Encoding const & encoding,
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odocstream & os, TexRow & texrow,
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pos_type i,
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unsigned int & column,
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Font const & font,
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Layout const & style)
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{
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if (style.pass_thru)
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return false;
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if (i + 1 < size()) {
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char_type next = getChar(i + 1);
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if (Encodings::isCombiningChar(next)) {
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// This space has an accent, so we must always output it.
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column += latexSurrogatePair(os, ' ', next, encoding) - 1;
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return true;
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}
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}
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|
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if (lyxrc.plaintext_linelen > 0
|
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&& column > lyxrc.plaintext_linelen
|
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&& i
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&& getChar(i - 1) != ' '
|
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&& (i + 1 < size())
|
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// same in FreeSpacing mode
|
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&& !owner_->isFreeSpacing()
|
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// In typewriter mode, we want to avoid
|
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// ! . ? : at the end of a line
|
||
&& !(font.family() == Font::TYPEWRITER_FAMILY
|
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&& (getChar(i - 1) == '.'
|
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|| getChar(i - 1) == '?'
|
||
|| getChar(i - 1) == ':'
|
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|| getChar(i - 1) == '!'))) {
|
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os << '\n';
|
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texrow.newline();
|
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texrow.start(owner_->id(), i + 1);
|
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column = 0;
|
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} else if (style.free_spacing) {
|
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os << '~';
|
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} else {
|
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os << ' ';
|
||
}
|
||
return false;
|
||
}
|
||
|
||
|
||
int Paragraph::Private::knownLangChars(odocstream & os,
|
||
value_type c,
|
||
string & preamble,
|
||
Change & runningChange,
|
||
Encoding const & encoding,
|
||
pos_type & i)
|
||
{
|
||
// When the character is marked by the proper language, we simply
|
||
// get its code point in some encoding, otherwise we get the
|
||
// translation specified in the unicodesymbols file, which is
|
||
// something like "\textLANG{<spec>}". So, we have to retain
|
||
// "\textLANG{<spec>" for the first char but only "<spec>" for
|
||
// all subsequent chars.
|
||
docstring const latex1 = rtrim(encoding.latexChar(c), "}");
|
||
int length = latex1.length();
|
||
os << latex1;
|
||
while (i + 1 < size()) {
|
||
char_type next = getChar(i + 1);
|
||
// Stop here if next character belongs to another
|
||
// language or there is a change tracking status.
|
||
if (!Encodings::isKnownLangChar(next, preamble) ||
|
||
runningChange != owner_->lookupChange(i + 1))
|
||
break;
|
||
Font prev_font;
|
||
bool found = false;
|
||
FontList::const_iterator cit = fontlist_.begin();
|
||
FontList::const_iterator end = fontlist_.end();
|
||
for (; cit != end; ++cit) {
|
||
if (cit->pos() >= i && !found) {
|
||
prev_font = cit->font();
|
||
found = true;
|
||
}
|
||
if (cit->pos() >= i + 1)
|
||
break;
|
||
}
|
||
// Stop here if there is a font attribute change.
|
||
if (found && cit != end && prev_font != cit->font())
|
||
break;
|
||
docstring const latex = rtrim(encoding.latexChar(next), "}");
|
||
docstring::size_type const j =
|
||
latex.find_first_of(from_ascii("{"));
|
||
if (j == docstring::npos) {
|
||
os << latex;
|
||
length += latex.length();
|
||
} else {
|
||
os << latex.substr(j + 1);
|
||
length += latex.substr(j + 1).length();
|
||
}
|
||
++i;
|
||
}
|
||
// When the proper language is set, we are simply passed a code
|
||
// point, so we should not try to close the \textLANG command.
|
||
if (prefixIs(latex1, from_ascii("\\" + preamble))) {
|
||
os << '}';
|
||
++length;
|
||
}
|
||
return length;
|
||
}
|
||
|
||
|
||
bool Paragraph::Private::isTextAt(string const & str, pos_type pos) const
|
||
{
|
||
pos_type const len = str.length();
|
||
|
||
// is the paragraph large enough?
|
||
if (pos + len > size())
|
||
return false;
|
||
|
||
// does the wanted text start at point?
|
||
for (string::size_type i = 0; i < str.length(); ++i) {
|
||
// Caution: direct comparison of characters works only
|
||
// because str is pure ASCII.
|
||
if (str[i] != owner_->text_[pos + i])
|
||
return false;
|
||
}
|
||
|
||
return fontlist_.hasChangeInRange(pos, len);
|
||
}
|
||
|
||
|
||
void Paragraph::Private::latexInset(Buffer const & buf,
|
||
BufferParams const & bparams,
|
||
odocstream & os,
|
||
TexRow & texrow,
|
||
OutputParams & runparams,
|
||
Font & running_font,
|
||
Font & basefont,
|
||
Font const & outerfont,
|
||
bool & open_font,
|
||
Change & running_change,
|
||
Layout const & style,
|
||
pos_type & i,
|
||
unsigned int & column)
|
||
{
|
||
Inset * inset = owner_->getInset(i);
|
||
BOOST_ASSERT(inset);
|
||
|
||
if (style.pass_thru) {
|
||
inset->plaintext(buf, os, runparams);
|
||
return;
|
||
}
|
||
|
||
// FIXME: move this to InsetNewline::latex
|
||
if (inset->lyxCode() == NEWLINE_CODE) {
|
||
// newlines are handled differently here than
|
||
// the default in simpleTeXSpecialChars().
|
||
if (!style.newline_allowed) {
|
||
os << '\n';
|
||
} else {
|
||
if (open_font) {
|
||
column += running_font.latexWriteEndChanges(
|
||
os, bparams, runparams,
|
||
basefont, basefont);
|
||
open_font = false;
|
||
}
|
||
|
||
if (running_font.family() == Font::TYPEWRITER_FAMILY)
|
||
os << '~';
|
||
|
||
basefont = owner_->getLayoutFont(bparams, outerfont);
|
||
running_font = basefont;
|
||
|
||
if (runparams.moving_arg)
|
||
os << "\\protect ";
|
||
|
||
os << "\\\\\n";
|
||
}
|
||
texrow.newline();
|
||
texrow.start(owner_->id(), i + 1);
|
||
column = 0;
|
||
}
|
||
|
||
if (owner_->lookupChange(i).type == Change::DELETED) {
|
||
if( ++runparams.inDeletedInset == 1)
|
||
runparams.changeOfDeletedInset = owner_->lookupChange(i);
|
||
}
|
||
|
||
if (inset->canTrackChanges()) {
|
||
column += Changes::latexMarkChange(os, bparams, running_change,
|
||
Change(Change::UNCHANGED));
|
||
running_change = Change(Change::UNCHANGED);
|
||
}
|
||
|
||
bool close = false;
|
||
odocstream::pos_type const len = os.tellp();
|
||
|
||
if ((inset->lyxCode() == GRAPHICS_CODE
|
||
|| inset->lyxCode() == MATH_CODE
|
||
|| inset->lyxCode() == HYPERLINK_CODE)
|
||
&& running_font.isRightToLeft()) {
|
||
if (running_font.language()->lang() == "farsi")
|
||
os << "\\beginL{}";
|
||
else
|
||
os << "\\L{";
|
||
close = true;
|
||
}
|
||
|
||
// FIXME: Bug: we can have an empty font change here!
|
||
// if there has just been a font change, we are going to close it
|
||
// right now, which means stupid latex code like \textsf{}. AFAIK,
|
||
// this does not harm dvi output. A minor bug, thus (JMarc)
|
||
|
||
// Some insets cannot be inside a font change command.
|
||
// However, even such insets *can* be placed in \L or \R
|
||
// or their equivalents (for RTL language switches), so we don't
|
||
// close the language in those cases.
|
||
// ArabTeX, though, cannot handle this special behavior, it seems.
|
||
bool arabtex = basefont.language()->lang() == "arabic_arabtex"
|
||
|| running_font.language()->lang() == "arabic_arabtex";
|
||
if (open_font && inset->noFontChange()) {
|
||
bool closeLanguage = arabtex
|
||
|| basefont.isRightToLeft() == running_font.isRightToLeft();
|
||
unsigned int count = running_font.latexWriteEndChanges(os,
|
||
bparams, runparams, basefont, basefont, closeLanguage);
|
||
column += count;
|
||
// if any font properties were closed, update the running_font,
|
||
// making sure, however, to leave the language as it was
|
||
if (count > 0) {
|
||
// FIXME: probably a better way to keep track of the old
|
||
// language, than copying the entire font?
|
||
Font const copy_font(running_font);
|
||
basefont = owner_->getLayoutFont(bparams, outerfont);
|
||
running_font = basefont;
|
||
if (!closeLanguage)
|
||
running_font.setLanguage(copy_font.language());
|
||
// leave font open if language is still open
|
||
open_font = (running_font.language() == basefont.language());
|
||
if (closeLanguage)
|
||
runparams.local_font = &basefont;
|
||
}
|
||
}
|
||
|
||
int tmp = inset->latex(buf, os, runparams);
|
||
|
||
if (close) {
|
||
if (running_font.language()->lang() == "farsi")
|
||
os << "\\endL{}";
|
||
else
|
||
os << '}';
|
||
}
|
||
|
||
if (tmp) {
|
||
for (int j = 0; j < tmp; ++j)
|
||
texrow.newline();
|
||
|
||
texrow.start(owner_->id(), i + 1);
|
||
column = 0;
|
||
} else {
|
||
column += os.tellp() - len;
|
||
}
|
||
|
||
if (owner_->lookupChange(i).type == Change::DELETED)
|
||
--runparams.inDeletedInset;
|
||
}
|
||
|
||
|
||
void Paragraph::Private::latexSpecialChar(
|
||
odocstream & os,
|
||
OutputParams & runparams,
|
||
Font & running_font,
|
||
Change & running_change,
|
||
Layout const & style,
|
||
pos_type & i,
|
||
unsigned int & column)
|
||
{
|
||
value_type const c = getChar(i);
|
||
|
||
if (style.pass_thru) {
|
||
if (c != '\0')
|
||
// FIXME UNICODE: This can fail if c cannot
|
||
// be encoded in the current encoding.
|
||
os.put(c);
|
||
return;
|
||
}
|
||
|
||
if (runparams.verbatim) {
|
||
os.put(c);
|
||
return;
|
||
}
|
||
|
||
switch (c) {
|
||
case '\\':
|
||
os << "\\textbackslash{}";
|
||
column += 15;
|
||
break;
|
||
|
||
case '|':
|
||
case '<':
|
||
case '>':
|
||
// In T1 encoding, these characters exist
|
||
if (lyxrc.fontenc == "T1") {
|
||
os.put(c);
|
||
//... but we should avoid ligatures
|
||
if ((c == '>' || c == '<')
|
||
&& i <= size() - 2
|
||
&& getChar(i + 1) == c) {
|
||
//os << "\\textcompwordmark{}";
|
||
//column += 19;
|
||
// Jean-Marc, have a look at
|
||
// this. I think this works
|
||
// equally well:
|
||
os << "\\,{}";
|
||
// Lgb
|
||
column += 3;
|
||
}
|
||
break;
|
||
}
|
||
// Typewriter font also has them
|
||
if (running_font.family() == Font::TYPEWRITER_FAMILY) {
|
||
os.put(c);
|
||
break;
|
||
}
|
||
// Otherwise, we use what LaTeX
|
||
// provides us.
|
||
switch (c) {
|
||
case '<':
|
||
os << "\\textless{}";
|
||
column += 10;
|
||
break;
|
||
case '>':
|
||
os << "\\textgreater{}";
|
||
column += 13;
|
||
break;
|
||
case '|':
|
||
os << "\\textbar{}";
|
||
column += 9;
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case '-': // "--" in Typewriter mode -> "-{}-"
|
||
if (i <= size() - 2 &&
|
||
getChar(i + 1) == '-' &&
|
||
running_font.family() == Font::TYPEWRITER_FAMILY) {
|
||
os << "-{}";
|
||
column += 2;
|
||
} else {
|
||
os << '-';
|
||
}
|
||
break;
|
||
|
||
case '\"':
|
||
os << "\\char`\\\"{}";
|
||
column += 9;
|
||
break;
|
||
|
||
case '$': case '&':
|
||
case '%': case '#': case '{':
|
||
case '}': case '_':
|
||
os << '\\';
|
||
os.put(c);
|
||
column += 1;
|
||
break;
|
||
|
||
case '~':
|
||
os << "\\textasciitilde{}";
|
||
column += 16;
|
||
break;
|
||
|
||
case '^':
|
||
os << "\\textasciicircum{}";
|
||
column += 17;
|
||
break;
|
||
|
||
case '*': case '[':
|
||
// avoid being mistaken for optional arguments
|
||
os << '{';
|
||
os.put(c);
|
||
os << '}';
|
||
column += 2;
|
||
break;
|
||
|
||
case ' ':
|
||
// Blanks are printed before font switching.
|
||
// Sure? I am not! (try nice-latex)
|
||
// I am sure it's correct. LyX might be smarter
|
||
// in the future, but for now, nothing wrong is
|
||
// written. (Asger)
|
||
break;
|
||
|
||
default:
|
||
// I assume this is hack treating typewriter as verbatim
|
||
// FIXME UNICODE: This can fail if c cannot be encoded
|
||
// in the current encoding.
|
||
if (running_font.family() == Font::TYPEWRITER_FAMILY) {
|
||
if (c != '\0')
|
||
os.put(c);
|
||
break;
|
||
}
|
||
|
||
// LyX, LaTeX etc.
|
||
|
||
// FIXME: if we have "LaTeX" with a font
|
||
// change in the middle (before the 'T', then
|
||
// the "TeX" part is still special cased.
|
||
// Really we should only operate this on
|
||
// "words" for some definition of word
|
||
|
||
size_t pnr = 0;
|
||
|
||
for (; pnr < phrases_nr; ++pnr) {
|
||
if (isTextAt(special_phrases[pnr].phrase, i)) {
|
||
os << special_phrases[pnr].macro;
|
||
i += special_phrases[pnr].phrase.length() - 1;
|
||
column += special_phrases[pnr].macro.length() - 1;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (pnr == phrases_nr && c != '\0') {
|
||
Encoding const & encoding = *(runparams.encoding);
|
||
if (i + 1 < size()) {
|
||
char_type next = getChar(i + 1);
|
||
if (Encodings::isCombiningChar(next)) {
|
||
column += latexSurrogatePair(os, c, next, encoding) - 1;
|
||
++i;
|
||
break;
|
||
}
|
||
}
|
||
string preamble;
|
||
if (Encodings::isKnownLangChar(c, preamble)) {
|
||
column += knownLangChars(os, c, preamble, running_change,
|
||
encoding, i) - 1;
|
||
break;
|
||
}
|
||
docstring const latex = encoding.latexChar(c);
|
||
if (latex.length() > 1 && latex[latex.length() - 1] != '}') {
|
||
// Prevent eating of a following
|
||
// space or command corruption by
|
||
// following characters
|
||
column += latex.length() + 1;
|
||
os << latex << "{}";
|
||
} else {
|
||
column += latex.length() - 1;
|
||
os << latex;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
|
||
void Paragraph::Private::validate(LaTeXFeatures & features,
|
||
Layout const & layout) const
|
||
{
|
||
// check the params.
|
||
if (!params_.spacing().isDefault())
|
||
features.require("setspace");
|
||
|
||
// then the layouts
|
||
features.useLayout(layout.name());
|
||
|
||
// then the fonts
|
||
fontlist_.validate(features);
|
||
|
||
// then the indentation
|
||
if (!params_.leftIndent().zero())
|
||
features.require("ParagraphLeftIndent");
|
||
|
||
// then the insets
|
||
InsetList::const_iterator icit = insetlist_.begin();
|
||
InsetList::const_iterator iend = insetlist_.end();
|
||
for (; icit != iend; ++icit) {
|
||
if (icit->inset) {
|
||
icit->inset->validate(features);
|
||
if (layout.needprotect &&
|
||
icit->inset->lyxCode() == FOOT_CODE)
|
||
features.require("NeedLyXFootnoteCode");
|
||
}
|
||
}
|
||
|
||
// then the contents
|
||
for (pos_type i = 0; i < size() ; ++i) {
|
||
for (size_t pnr = 0; pnr < phrases_nr; ++pnr) {
|
||
if (!special_phrases[pnr].builtin
|
||
&& isTextAt(special_phrases[pnr].phrase, i)) {
|
||
features.require(special_phrases[pnr].phrase);
|
||
break;
|
||
}
|
||
}
|
||
Encodings::validate(getChar(i), features);
|
||
}
|
||
}
|
||
|
||
/////////////////////////////////////////////////////////////////////
|
||
//
|
||
// Paragraph
|
||
//
|
||
/////////////////////////////////////////////////////////////////////
|
||
|
||
Paragraph::Paragraph()
|
||
: begin_of_body_(0), d(new Paragraph::Private(this))
|
||
{
|
||
itemdepth = 0;
|
||
d->params_.clear();
|
||
text_.reserve(100);
|
||
}
|
||
|
||
|
||
Paragraph::Paragraph(Paragraph const & par)
|
||
: itemdepth(par.itemdepth),
|
||
layout_(par.layout_),
|
||
text_(par.text_), begin_of_body_(par.begin_of_body_),
|
||
d(new Paragraph::Private(*par.d, this))
|
||
{
|
||
}
|
||
|
||
|
||
Paragraph & Paragraph::operator=(Paragraph const & par)
|
||
{
|
||
// needed as we will destroy the private part before copying it
|
||
if (&par != this) {
|
||
itemdepth = par.itemdepth;
|
||
layout_ = par.layout();
|
||
text_ = par.text_;
|
||
begin_of_body_ = par.begin_of_body_;
|
||
|
||
delete d;
|
||
d = new Private(*par.d, this);
|
||
}
|
||
return *this;
|
||
}
|
||
|
||
|
||
Paragraph::~Paragraph()
|
||
{
|
||
delete d;
|
||
}
|
||
|
||
|
||
void Paragraph::write(Buffer const & buf, ostream & os,
|
||
BufferParams const & bparams,
|
||
depth_type & dth) const
|
||
{
|
||
// The beginning or end of a deeper (i.e. nested) area?
|
||
if (dth != params().depth()) {
|
||
if (params().depth() > dth) {
|
||
while (params().depth() > dth) {
|
||
os << "\n\\begin_deeper";
|
||
++dth;
|
||
}
|
||
} else {
|
||
while (params().depth() < dth) {
|
||
os << "\n\\end_deeper";
|
||
--dth;
|
||
}
|
||
}
|
||
}
|
||
|
||
// First write the layout
|
||
os << "\n\\begin_layout " << to_utf8(layout()->name()) << '\n';
|
||
|
||
params().write(os);
|
||
|
||
Font font1(Font::ALL_INHERIT, bparams.language);
|
||
|
||
Change running_change = Change(Change::UNCHANGED);
|
||
|
||
int column = 0;
|
||
for (pos_type i = 0; i <= size(); ++i) {
|
||
|
||
Change change = lookupChange(i);
|
||
Changes::lyxMarkChange(os, column, running_change, change);
|
||
running_change = change;
|
||
|
||
if (i == size())
|
||
break;
|
||
|
||
// Write font changes
|
||
Font font2 = getFontSettings(bparams, i);
|
||
if (font2 != font1) {
|
||
font2.lyxWriteChanges(font1, os);
|
||
column = 0;
|
||
font1 = font2;
|
||
}
|
||
|
||
value_type const c = getChar(i);
|
||
switch (c) {
|
||
case META_INSET:
|
||
{
|
||
Inset const * inset = getInset(i);
|
||
if (inset)
|
||
if (inset->directWrite()) {
|
||
// international char, let it write
|
||
// code directly so it's shorter in
|
||
// the file
|
||
inset->write(buf, os);
|
||
} else {
|
||
if (i)
|
||
os << '\n';
|
||
os << "\\begin_inset ";
|
||
inset->write(buf, os);
|
||
os << "\n\\end_inset\n\n";
|
||
column = 0;
|
||
}
|
||
}
|
||
break;
|
||
case '\\':
|
||
os << "\n\\backslash\n";
|
||
column = 0;
|
||
break;
|
||
case '.':
|
||
if (i + 1 < size() && getChar(i + 1) == ' ') {
|
||
os << ".\n";
|
||
column = 0;
|
||
} else
|
||
os << '.';
|
||
break;
|
||
default:
|
||
if ((column > 70 && c == ' ')
|
||
|| column > 79) {
|
||
os << '\n';
|
||
column = 0;
|
||
}
|
||
// this check is to amend a bug. LyX sometimes
|
||
// inserts '\0' this could cause problems.
|
||
if (c != '\0') {
|
||
std::vector<char> tmp = ucs4_to_utf8(c);
|
||
tmp.push_back('\0');
|
||
os << &tmp[0];
|
||
} else
|
||
lyxerr << "ERROR (Paragraph::writeFile):"
|
||
" NULL char in structure." << endl;
|
||
++column;
|
||
break;
|
||
}
|
||
}
|
||
|
||
os << "\n\\end_layout\n";
|
||
}
|
||
|
||
|
||
void Paragraph::validate(LaTeXFeatures & features) const
|
||
{
|
||
d->validate(features, *layout());
|
||
}
|
||
|
||
|
||
void Paragraph::insert(pos_type start, docstring const & str,
|
||
Font const & font, Change const & change)
|
||
{
|
||
for (size_t i = 0, n = str.size(); i != n ; ++i)
|
||
insertChar(start + i, str[i], font, change);
|
||
}
|
||
|
||
|
||
void Paragraph::appendChar(value_type c, Font const & font,
|
||
Change const & change)
|
||
{
|
||
// track change
|
||
d->changes_.insert(change, text_.size());
|
||
// when appending characters, no need to update tables
|
||
text_.push_back(c);
|
||
setFont(text_.size() - 1, font);
|
||
}
|
||
|
||
|
||
void Paragraph::appendString(docstring const & s, Font const & font,
|
||
Change const & change)
|
||
{
|
||
size_t end = s.size();
|
||
size_t oldsize = text_.size();
|
||
size_t newsize = oldsize + end;
|
||
size_t capacity = text_.capacity();
|
||
if (newsize >= capacity)
|
||
text_.reserve(std::max(capacity + 100, newsize));
|
||
|
||
// FIXME: Optimize this!
|
||
for (pos_type i = 0; i != end; ++i) {
|
||
// track change
|
||
d->changes_.insert(change, i);
|
||
// when appending characters, no need to update tables
|
||
text_.push_back(s[i]);
|
||
}
|
||
d->fontlist_.setRange(oldsize, newsize, font);
|
||
}
|
||
|
||
|
||
void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
|
||
bool trackChanges)
|
||
{
|
||
d->insertChar(pos, c, Change(trackChanges ?
|
||
Change::INSERTED : Change::UNCHANGED));
|
||
}
|
||
|
||
|
||
void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
|
||
Font const & font, bool trackChanges)
|
||
{
|
||
d->insertChar(pos, c, Change(trackChanges ?
|
||
Change::INSERTED : Change::UNCHANGED));
|
||
setFont(pos, font);
|
||
}
|
||
|
||
|
||
void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
|
||
Font const & font, Change const & change)
|
||
{
|
||
d->insertChar(pos, c, change);
|
||
setFont(pos, font);
|
||
}
|
||
|
||
|
||
void Paragraph::insertInset(pos_type pos, Inset * inset,
|
||
Font const & font, Change const & change)
|
||
{
|
||
insertInset(pos, inset, change);
|
||
// Set the font/language of the inset...
|
||
setFont(pos, font);
|
||
}
|
||
|
||
|
||
bool Paragraph::insetAllowed(InsetCode code)
|
||
{
|
||
return !d->inset_owner_ || d->inset_owner_->insetAllowed(code);
|
||
}
|
||
|
||
|
||
// Gets uninstantiated font setting at position.
|
||
Font const Paragraph::getFontSettings(BufferParams const & bparams,
|
||
pos_type pos) const
|
||
{
|
||
if (pos > size()) {
|
||
lyxerr << " pos: " << pos << " size: " << size() << endl;
|
||
BOOST_ASSERT(pos <= size());
|
||
}
|
||
|
||
FontList::const_iterator cit = d->fontlist_.fontIterator(pos);
|
||
if (cit != d->fontlist_.end())
|
||
return cit->font();
|
||
|
||
if (pos == size() && !empty())
|
||
return getFontSettings(bparams, pos - 1);
|
||
|
||
return Font(Font::ALL_INHERIT, getParLanguage(bparams));
|
||
}
|
||
|
||
|
||
FontSpan Paragraph::fontSpan(pos_type pos) const
|
||
{
|
||
BOOST_ASSERT(pos <= size());
|
||
pos_type start = 0;
|
||
|
||
FontList::const_iterator cit = d->fontlist_.begin();
|
||
FontList::const_iterator end = d->fontlist_.end();
|
||
for (; cit != end; ++cit) {
|
||
if (cit->pos() >= pos) {
|
||
if (pos >= beginOfBody())
|
||
return FontSpan(std::max(start, beginOfBody()),
|
||
cit->pos());
|
||
else
|
||
return FontSpan(start,
|
||
std::min(beginOfBody() - 1,
|
||
cit->pos()));
|
||
}
|
||
start = cit->pos() + 1;
|
||
}
|
||
|
||
// This should not happen, but if so, we take no chances.
|
||
//lyxerr << "Paragraph::getEndPosOfFontSpan: This should not happen!"
|
||
// << endl;
|
||
return FontSpan(pos, pos);
|
||
}
|
||
|
||
|
||
// Gets uninstantiated font setting at position 0
|
||
Font const Paragraph::getFirstFontSettings(BufferParams const & bparams) const
|
||
{
|
||
if (!empty() && !d->fontlist_.empty())
|
||
return d->fontlist_.begin()->font();
|
||
|
||
return Font(Font::ALL_INHERIT, bparams.language);
|
||
}
|
||
|
||
|
||
// Gets the fully instantiated font at a given position in a paragraph
|
||
// This is basically the same function as Text::GetFont() in text2.cpp.
|
||
// The difference is that this one is used for generating the LaTeX file,
|
||
// and thus cosmetic "improvements" are disallowed: This has to deliver
|
||
// the true picture of the buffer. (Asger)
|
||
Font const Paragraph::getFont(BufferParams const & bparams, pos_type pos,
|
||
Font const & outerfont) const
|
||
{
|
||
BOOST_ASSERT(pos >= 0);
|
||
|
||
Font font = getFontSettings(bparams, pos);
|
||
|
||
pos_type const body_pos = beginOfBody();
|
||
if (pos < body_pos)
|
||
font.realize(layout_->labelfont);
|
||
else
|
||
font.realize(layout_->font);
|
||
|
||
font.realize(outerfont);
|
||
font.realize(bparams.getFont());
|
||
|
||
return font;
|
||
}
|
||
|
||
|
||
Font const Paragraph::getLabelFont
|
||
(BufferParams const & bparams, Font const & outerfont) const
|
||
{
|
||
Font tmpfont = layout()->labelfont;
|
||
tmpfont.setLanguage(getParLanguage(bparams));
|
||
tmpfont.realize(outerfont);
|
||
tmpfont.realize(bparams.getFont());
|
||
return tmpfont;
|
||
}
|
||
|
||
|
||
Font const Paragraph::getLayoutFont
|
||
(BufferParams const & bparams, Font const & outerfont) const
|
||
{
|
||
Font tmpfont = layout()->font;
|
||
tmpfont.setLanguage(getParLanguage(bparams));
|
||
tmpfont.realize(outerfont);
|
||
tmpfont.realize(bparams.getFont());
|
||
return tmpfont;
|
||
}
|
||
|
||
|
||
/// Returns the height of the highest font in range
|
||
Font_size Paragraph::highestFontInRange
|
||
(pos_type startpos, pos_type endpos, Font_size def_size) const
|
||
{
|
||
return d->fontlist_.highestInRange(startpos, endpos, def_size);
|
||
}
|
||
|
||
|
||
Paragraph::value_type
|
||
Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
|
||
{
|
||
value_type c = getChar(pos);
|
||
if (!lyxrc.rtl_support)
|
||
return c;
|
||
|
||
value_type uc = c;
|
||
switch (c) {
|
||
case '(':
|
||
uc = ')';
|
||
break;
|
||
case ')':
|
||
uc = '(';
|
||
break;
|
||
case '[':
|
||
uc = ']';
|
||
break;
|
||
case ']':
|
||
uc = '[';
|
||
break;
|
||
case '{':
|
||
uc = '}';
|
||
break;
|
||
case '}':
|
||
uc = '{';
|
||
break;
|
||
case '<':
|
||
uc = '>';
|
||
break;
|
||
case '>':
|
||
uc = '<';
|
||
break;
|
||
}
|
||
if (uc != c && getFontSettings(bparams, pos).isRightToLeft())
|
||
return uc;
|
||
else
|
||
return c;
|
||
}
|
||
|
||
|
||
void Paragraph::setFont(pos_type pos, Font const & font)
|
||
{
|
||
BOOST_ASSERT(pos <= size());
|
||
|
||
// First, reduce font against layout/label font
|
||
// Update: The setCharFont() routine in text2.cpp already
|
||
// reduces font, so we don't need to do that here. (Asger)
|
||
|
||
d->fontlist_.set(pos, font);
|
||
}
|
||
|
||
|
||
void Paragraph::makeSameLayout(Paragraph const & par)
|
||
{
|
||
layout(par.layout());
|
||
// move to pimpl?
|
||
d->params_ = par.params();
|
||
}
|
||
|
||
|
||
bool Paragraph::stripLeadingSpaces(bool trackChanges)
|
||
{
|
||
if (isFreeSpacing())
|
||
return false;
|
||
|
||
int pos = 0;
|
||
int count = 0;
|
||
|
||
while (pos < size() && (isNewline(pos) || isLineSeparator(pos))) {
|
||
if (eraseChar(pos, trackChanges))
|
||
++count;
|
||
else
|
||
++pos;
|
||
}
|
||
|
||
return count > 0 || pos > 0;
|
||
}
|
||
|
||
|
||
bool Paragraph::hasSameLayout(Paragraph const & par) const
|
||
{
|
||
return par.layout() == layout() && d->params_.sameLayout(par.params());
|
||
}
|
||
|
||
|
||
depth_type Paragraph::getDepth() const
|
||
{
|
||
return params().depth();
|
||
}
|
||
|
||
|
||
depth_type Paragraph::getMaxDepthAfter() const
|
||
{
|
||
if (layout()->isEnvironment())
|
||
return params().depth() + 1;
|
||
else
|
||
return params().depth();
|
||
}
|
||
|
||
|
||
char Paragraph::getAlign() const
|
||
{
|
||
if (params().align() == LYX_ALIGN_LAYOUT)
|
||
return layout()->align;
|
||
else
|
||
return params().align();
|
||
}
|
||
|
||
|
||
docstring const & Paragraph::getLabelstring() const
|
||
{
|
||
return params().labelString();
|
||
}
|
||
|
||
|
||
// the next two functions are for the manual labels
|
||
docstring const Paragraph::getLabelWidthString() const
|
||
{
|
||
if (layout()->margintype == MARGIN_MANUAL)
|
||
return params().labelWidthString();
|
||
else
|
||
return _("Senseless with this layout!");
|
||
}
|
||
|
||
|
||
void Paragraph::setLabelWidthString(docstring const & s)
|
||
{
|
||
params().labelWidthString(s);
|
||
}
|
||
|
||
|
||
docstring const Paragraph::translateIfPossible(docstring const & s,
|
||
BufferParams const & bparams) const
|
||
{
|
||
if (!support::isAscii(s) || s.empty()) {
|
||
// This must be a user defined layout. We cannot translate
|
||
// this, since gettext accepts only ascii keys.
|
||
return s;
|
||
}
|
||
// Probably standard layout, try to translate
|
||
Messages & m = getMessages(getParLanguage(bparams)->code());
|
||
return m.get(to_ascii(s));
|
||
}
|
||
|
||
|
||
docstring Paragraph::expandLabel(LayoutPtr const & layout,
|
||
BufferParams const & bparams, bool process_appendix) const
|
||
{
|
||
TextClass const & tclass = bparams.getTextClass();
|
||
|
||
docstring fmt;
|
||
if (process_appendix && params().appendix())
|
||
fmt = translateIfPossible(layout->labelstring_appendix(),
|
||
bparams);
|
||
else
|
||
fmt = translateIfPossible(layout->labelstring(), bparams);
|
||
|
||
if (fmt.empty() && layout->labeltype == LABEL_COUNTER
|
||
&& !layout->counter.empty())
|
||
fmt = "\\the" + layout->counter;
|
||
|
||
// handle 'inherited level parts' in 'fmt',
|
||
// i.e. the stuff between '@' in '@Section@.\arabic{subsection}'
|
||
size_t const i = fmt.find('@', 0);
|
||
if (i != docstring::npos) {
|
||
size_t const j = fmt.find('@', i + 1);
|
||
if (j != docstring::npos) {
|
||
docstring parent(fmt, i + 1, j - i - 1);
|
||
docstring label = from_ascii("??");
|
||
if (tclass.hasLayout(parent))
|
||
docstring label = expandLabel(tclass[parent], bparams,
|
||
process_appendix);
|
||
fmt = docstring(fmt, 0, i) + label
|
||
+ docstring(fmt, j + 1, docstring::npos);
|
||
}
|
||
}
|
||
|
||
return tclass.counters().counterLabel(fmt);
|
||
}
|
||
|
||
|
||
void Paragraph::applyLayout(LayoutPtr const & new_layout)
|
||
{
|
||
layout(new_layout);
|
||
LyXAlignment const oldAlign = params().align();
|
||
|
||
if (!(oldAlign & layout()->alignpossible)) {
|
||
frontend::Alert::warning(_("Alignment not permitted"),
|
||
_("The new layout does not permit the alignment previously used.\nSetting to default."));
|
||
params().align(LYX_ALIGN_LAYOUT);
|
||
}
|
||
}
|
||
|
||
|
||
pos_type Paragraph::beginOfBody() const
|
||
{
|
||
return begin_of_body_;
|
||
}
|
||
|
||
|
||
void Paragraph::setBeginOfBody()
|
||
{
|
||
if (layout()->labeltype != LABEL_MANUAL) {
|
||
begin_of_body_ = 0;
|
||
return;
|
||
}
|
||
|
||
// Unroll the first two cycles of the loop
|
||
// and remember the previous character to
|
||
// remove unnecessary getChar() calls
|
||
pos_type i = 0;
|
||
pos_type end = size();
|
||
if (i < end && !isNewline(i)) {
|
||
++i;
|
||
char_type previous_char = 0;
|
||
char_type temp = 0;
|
||
if (i < end) {
|
||
previous_char = text_[i];
|
||
if (!isNewline(i)) {
|
||
++i;
|
||
while (i < end && previous_char != ' ') {
|
||
temp = text_[i];
|
||
if (isNewline(i))
|
||
break;
|
||
++i;
|
||
previous_char = temp;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
begin_of_body_ = i;
|
||
}
|
||
|
||
|
||
// returns -1 if inset not found
|
||
int Paragraph::getPositionOfInset(Inset const * inset) const
|
||
{
|
||
// Find the entry.
|
||
InsetList::const_iterator it = d->insetlist_.begin();
|
||
InsetList::const_iterator end = d->insetlist_.end();
|
||
for (; it != end; ++it)
|
||
if (it->inset == inset)
|
||
return it->pos;
|
||
return -1;
|
||
}
|
||
|
||
|
||
InsetBibitem * Paragraph::bibitem() const
|
||
{
|
||
if (!d->insetlist_.empty()) {
|
||
Inset * inset = d->insetlist_.begin()->inset;
|
||
if (inset->lyxCode() == BIBITEM_CODE)
|
||
return static_cast<InsetBibitem *>(inset);
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
|
||
bool Paragraph::forceDefaultParagraphs() const
|
||
{
|
||
return inInset() && inInset()->forceDefaultParagraphs(0);
|
||
}
|
||
|
||
|
||
namespace {
|
||
|
||
// paragraphs inside floats need different alignment tags to avoid
|
||
// unwanted space
|
||
|
||
bool noTrivlistCentering(InsetCode code)
|
||
{
|
||
return code == FLOAT_CODE || code == WRAP_CODE;
|
||
}
|
||
|
||
|
||
string correction(string const & orig)
|
||
{
|
||
if (orig == "flushleft")
|
||
return "raggedright";
|
||
if (orig == "flushright")
|
||
return "raggedleft";
|
||
if (orig == "center")
|
||
return "centering";
|
||
return orig;
|
||
}
|
||
|
||
|
||
string const corrected_env(string const & suffix, string const & env,
|
||
InsetCode code)
|
||
{
|
||
string output = suffix + "{";
|
||
if (noTrivlistCentering(code))
|
||
output += correction(env);
|
||
else
|
||
output += env;
|
||
output += "}";
|
||
if (suffix == "\\begin")
|
||
output += "\n";
|
||
return output;
|
||
}
|
||
|
||
|
||
void adjust_row_column(string const & str, TexRow & texrow, int & column)
|
||
{
|
||
if (!contains(str, "\n"))
|
||
column += str.size();
|
||
else {
|
||
string tmp;
|
||
texrow.newline();
|
||
column = rsplit(str, tmp, '\n').size();
|
||
}
|
||
}
|
||
|
||
} // namespace anon
|
||
|
||
|
||
// This could go to ParagraphParameters if we want to
|
||
int Paragraph::startTeXParParams(BufferParams const & bparams,
|
||
odocstream & os, TexRow & texrow,
|
||
bool moving_arg) const
|
||
{
|
||
int column = 0;
|
||
|
||
if (params().noindent()) {
|
||
os << "\\noindent ";
|
||
column += 10;
|
||
}
|
||
|
||
LyXAlignment const curAlign = params().align();
|
||
|
||
if (curAlign == layout()->align)
|
||
return column;
|
||
|
||
switch (curAlign) {
|
||
case LYX_ALIGN_NONE:
|
||
case LYX_ALIGN_BLOCK:
|
||
case LYX_ALIGN_LAYOUT:
|
||
case LYX_ALIGN_SPECIAL:
|
||
break;
|
||
case LYX_ALIGN_LEFT:
|
||
case LYX_ALIGN_RIGHT:
|
||
case LYX_ALIGN_CENTER:
|
||
if (moving_arg) {
|
||
os << "\\protect";
|
||
column += 8;
|
||
}
|
||
break;
|
||
}
|
||
|
||
switch (curAlign) {
|
||
case LYX_ALIGN_NONE:
|
||
case LYX_ALIGN_BLOCK:
|
||
case LYX_ALIGN_LAYOUT:
|
||
case LYX_ALIGN_SPECIAL:
|
||
break;
|
||
case LYX_ALIGN_LEFT: {
|
||
string output;
|
||
if (getParLanguage(bparams)->babel() != "hebrew")
|
||
output = corrected_env("\\begin", "flushleft", ownerCode());
|
||
else
|
||
output = corrected_env("\\begin", "flushright", ownerCode());
|
||
os << from_ascii(output);
|
||
adjust_row_column(output, texrow, column);
|
||
break;
|
||
} case LYX_ALIGN_RIGHT: {
|
||
string output;
|
||
if (getParLanguage(bparams)->babel() != "hebrew")
|
||
output = corrected_env("\\begin", "flushright", ownerCode());
|
||
else
|
||
output = corrected_env("\\begin", "flushleft", ownerCode());
|
||
os << from_ascii(output);
|
||
adjust_row_column(output, texrow, column);
|
||
break;
|
||
} case LYX_ALIGN_CENTER: {
|
||
string output;
|
||
output = corrected_env("\\begin", "center", ownerCode());
|
||
os << from_ascii(output);
|
||
adjust_row_column(output, texrow, column);
|
||
break;
|
||
}
|
||
}
|
||
|
||
return column;
|
||
}
|
||
|
||
|
||
// This could go to ParagraphParameters if we want to
|
||
int Paragraph::endTeXParParams(BufferParams const & bparams,
|
||
odocstream & os, TexRow & texrow,
|
||
bool moving_arg) const
|
||
{
|
||
int column = 0;
|
||
|
||
switch (params().align()) {
|
||
case LYX_ALIGN_NONE:
|
||
case LYX_ALIGN_BLOCK:
|
||
case LYX_ALIGN_LAYOUT:
|
||
case LYX_ALIGN_SPECIAL:
|
||
break;
|
||
case LYX_ALIGN_LEFT:
|
||
case LYX_ALIGN_RIGHT:
|
||
case LYX_ALIGN_CENTER:
|
||
if (moving_arg) {
|
||
os << "\\protect";
|
||
column = 8;
|
||
}
|
||
break;
|
||
}
|
||
|
||
switch (params().align()) {
|
||
case LYX_ALIGN_NONE:
|
||
case LYX_ALIGN_BLOCK:
|
||
case LYX_ALIGN_LAYOUT:
|
||
case LYX_ALIGN_SPECIAL:
|
||
break;
|
||
case LYX_ALIGN_LEFT: {
|
||
string output;
|
||
if (getParLanguage(bparams)->babel() != "hebrew")
|
||
output = corrected_env("\n\\par\\end", "flushleft", ownerCode());
|
||
else
|
||
output = corrected_env("\n\\par\\end", "flushright", ownerCode());
|
||
os << from_ascii(output);
|
||
adjust_row_column(output, texrow, column);
|
||
break;
|
||
} case LYX_ALIGN_RIGHT: {
|
||
string output;
|
||
if (getParLanguage(bparams)->babel() != "hebrew")
|
||
output = corrected_env("\n\\par\\end", "flushright", ownerCode());
|
||
else
|
||
output = corrected_env("\n\\par\\end", "flushleft", ownerCode());
|
||
os << from_ascii(output);
|
||
adjust_row_column(output, texrow, column);
|
||
break;
|
||
} case LYX_ALIGN_CENTER: {
|
||
string output;
|
||
output = corrected_env("\n\\par\\end", "center", ownerCode());
|
||
os << from_ascii(output);
|
||
adjust_row_column(output, texrow, column);
|
||
break;
|
||
}
|
||
}
|
||
|
||
return column;
|
||
}
|
||
|
||
|
||
// This one spits out the text of the paragraph
|
||
bool Paragraph::latex(Buffer const & buf,
|
||
BufferParams const & bparams,
|
||
Font const & outerfont,
|
||
odocstream & os, TexRow & texrow,
|
||
OutputParams const & runparams) const
|
||
{
|
||
LYXERR(Debug::LATEX) << "SimpleTeXOnePar... " << this << endl;
|
||
|
||
bool return_value = false;
|
||
|
||
LayoutPtr style;
|
||
|
||
// well we have to check if we are in an inset with unlimited
|
||
// length (all in one row) if that is true then we don't allow
|
||
// any special options in the paragraph and also we don't allow
|
||
// any environment other than the default layout of the text class
|
||
// to be valid!
|
||
bool asdefault = forceDefaultParagraphs();
|
||
|
||
if (asdefault) {
|
||
style = bparams.getTextClass().defaultLayout();
|
||
} else {
|
||
style = layout();
|
||
}
|
||
|
||
// Current base font for all inherited font changes, without any
|
||
// change caused by an individual character, except for the language:
|
||
// It is set to the language of the first character.
|
||
// As long as we are in the label, this font is the base font of the
|
||
// label. Before the first body character it is set to the base font
|
||
// of the body.
|
||
Font basefont;
|
||
|
||
// Maybe we have to create a optional argument.
|
||
pos_type body_pos = beginOfBody();
|
||
unsigned int column = 0;
|
||
|
||
if (body_pos > 0) {
|
||
// the optional argument is kept in curly brackets in
|
||
// case it contains a ']'
|
||
os << "[{";
|
||
column += 2;
|
||
basefont = getLabelFont(bparams, outerfont);
|
||
} else {
|
||
basefont = getLayoutFont(bparams, outerfont);
|
||
}
|
||
|
||
// Which font is currently active?
|
||
Font running_font(basefont);
|
||
// Do we have an open font change?
|
||
bool open_font = false;
|
||
|
||
Change runningChange = Change(Change::UNCHANGED);
|
||
|
||
texrow.start(id(), 0);
|
||
|
||
// if the paragraph is empty, the loop will not be entered at all
|
||
if (empty()) {
|
||
if (style->isCommand()) {
|
||
os << '{';
|
||
++column;
|
||
}
|
||
if (!asdefault)
|
||
column += startTeXParParams(bparams, os, texrow,
|
||
runparams.moving_arg);
|
||
}
|
||
|
||
for (pos_type i = 0; i < size(); ++i) {
|
||
// First char in paragraph or after label?
|
||
if (i == body_pos) {
|
||
if (body_pos > 0) {
|
||
if (open_font) {
|
||
column += running_font.latexWriteEndChanges(
|
||
os, bparams, runparams,
|
||
basefont, basefont);
|
||
open_font = false;
|
||
}
|
||
basefont = getLayoutFont(bparams, outerfont);
|
||
running_font = basefont;
|
||
|
||
column += Changes::latexMarkChange(os, bparams,
|
||
runningChange, Change(Change::UNCHANGED));
|
||
runningChange = Change(Change::UNCHANGED);
|
||
|
||
os << "}] ";
|
||
column +=3;
|
||
}
|
||
if (style->isCommand()) {
|
||
os << '{';
|
||
++column;
|
||
}
|
||
|
||
if (!asdefault)
|
||
column += startTeXParParams(bparams, os,
|
||
texrow,
|
||
runparams.moving_arg);
|
||
}
|
||
|
||
Change const & change = runparams.inDeletedInset ? runparams.changeOfDeletedInset
|
||
: lookupChange(i);
|
||
|
||
if (bparams.outputChanges && runningChange != change) {
|
||
if (open_font) {
|
||
column += running_font.latexWriteEndChanges(
|
||
os, bparams, runparams, basefont, basefont);
|
||
open_font = false;
|
||
}
|
||
basefont = getLayoutFont(bparams, outerfont);
|
||
running_font = basefont;
|
||
|
||
column += Changes::latexMarkChange(os, bparams, runningChange, change);
|
||
runningChange = change;
|
||
}
|
||
|
||
// do not output text which is marked deleted
|
||
// if change tracking output is disabled
|
||
if (!bparams.outputChanges && change.type == Change::DELETED) {
|
||
continue;
|
||
}
|
||
|
||
++column;
|
||
|
||
// Fully instantiated font
|
||
Font const font = getFont(bparams, i, outerfont);
|
||
|
||
Font const last_font = running_font;
|
||
|
||
// Do we need to close the previous font?
|
||
if (open_font &&
|
||
(font != running_font ||
|
||
font.language() != running_font.language()))
|
||
{
|
||
column += running_font.latexWriteEndChanges(
|
||
os, bparams, runparams, basefont,
|
||
(i == body_pos-1) ? basefont : font);
|
||
running_font = basefont;
|
||
open_font = false;
|
||
}
|
||
|
||
// Switch file encoding if necessary
|
||
if (runparams.encoding->package() == Encoding::inputenc &&
|
||
font.language()->encoding()->package() == Encoding::inputenc) {
|
||
std::pair<bool, int> const enc_switch = switchEncoding(os, bparams,
|
||
runparams.moving_arg, *(runparams.encoding),
|
||
*(font.language()->encoding()));
|
||
if (enc_switch.first) {
|
||
column += enc_switch.second;
|
||
runparams.encoding = font.language()->encoding();
|
||
}
|
||
}
|
||
|
||
value_type const c = getChar(i);
|
||
|
||
// Do we need to change font?
|
||
if ((font != running_font ||
|
||
font.language() != running_font.language()) &&
|
||
i != body_pos - 1)
|
||
{
|
||
odocstringstream ods;
|
||
column += font.latexWriteStartChanges(ods, bparams,
|
||
runparams, basefont,
|
||
last_font);
|
||
running_font = font;
|
||
open_font = true;
|
||
docstring fontchange = ods.str();
|
||
// check if the fontchange ends with a trailing blank
|
||
// (like "\small " (see bug 3382)
|
||
if (suffixIs(fontchange, ' ') && c == ' ')
|
||
os << fontchange.substr(0, fontchange.size() - 1)
|
||
<< from_ascii("{}");
|
||
else
|
||
os << fontchange;
|
||
}
|
||
|
||
if (c == ' ') {
|
||
// FIXME: integrate this case in latexSpecialChar
|
||
// Do not print the separation of the optional argument
|
||
// if style->pass_thru is false. This works because
|
||
// latexSpecialChar ignores spaces if
|
||
// style->pass_thru is false.
|
||
if (i != body_pos - 1) {
|
||
if (d->simpleTeXBlanks(
|
||
*(runparams.encoding), os, texrow,
|
||
i, column, font, *style)) {
|
||
// A surrogate pair was output. We
|
||
// must not call latexSpecialChar
|
||
// in this iteration, since it would output
|
||
// the combining character again.
|
||
++i;
|
||
continue;
|
||
}
|
||
}
|
||
}
|
||
|
||
OutputParams rp = runparams;
|
||
rp.free_spacing = style->free_spacing;
|
||
rp.local_font = &font;
|
||
rp.intitle = style->intitle;
|
||
|
||
// Two major modes: LaTeX or plain
|
||
// Handle here those cases common to both modes
|
||
// and then split to handle the two modes separately.
|
||
if (c == Paragraph::META_INSET)
|
||
d->latexInset(buf, bparams, os,
|
||
texrow, rp, running_font,
|
||
basefont, outerfont, open_font,
|
||
runningChange, *style, i, column);
|
||
else
|
||
d->latexSpecialChar(os, rp, running_font, runningChange,
|
||
*style, i, column);
|
||
|
||
// Set the encoding to that returned from simpleTeXSpecialChars (see
|
||
// comment for encoding member in OutputParams.h)
|
||
runparams.encoding = rp.encoding;
|
||
}
|
||
|
||
// If we have an open font definition, we have to close it
|
||
if (open_font) {
|
||
#ifdef FIXED_LANGUAGE_END_DETECTION
|
||
if (next_) {
|
||
running_font
|
||
.latexWriteEndChanges(os, bparams, runparams,
|
||
basefont,
|
||
next_->getFont(bparams, 0, outerfont));
|
||
} else {
|
||
running_font.latexWriteEndChanges(os, bparams,
|
||
runparams, basefont, basefont);
|
||
}
|
||
#else
|
||
//FIXME: For now we ALWAYS have to close the foreign font settings if they are
|
||
//FIXME: there as we start another \selectlanguage with the next paragraph if
|
||
//FIXME: we are in need of this. This should be fixed sometime (Jug)
|
||
running_font.latexWriteEndChanges(os, bparams, runparams,
|
||
basefont, basefont);
|
||
#endif
|
||
}
|
||
|
||
column += Changes::latexMarkChange(os, bparams, runningChange, Change(Change::UNCHANGED));
|
||
|
||
// Needed if there is an optional argument but no contents.
|
||
if (body_pos > 0 && body_pos == size()) {
|
||
os << "}]~";
|
||
return_value = false;
|
||
}
|
||
|
||
if (!asdefault) {
|
||
column += endTeXParParams(bparams, os, texrow,
|
||
runparams.moving_arg);
|
||
}
|
||
|
||
LYXERR(Debug::LATEX) << "SimpleTeXOnePar...done " << this << endl;
|
||
return return_value;
|
||
}
|
||
|
||
|
||
namespace {
|
||
|
||
enum PAR_TAG {
|
||
PAR_NONE=0,
|
||
TT = 1,
|
||
SF = 2,
|
||
BF = 4,
|
||
IT = 8,
|
||
SL = 16,
|
||
EM = 32
|
||
};
|
||
|
||
|
||
string tag_name(PAR_TAG const & pt) {
|
||
switch (pt) {
|
||
case PAR_NONE: return "!-- --";
|
||
case TT: return "tt";
|
||
case SF: return "sf";
|
||
case BF: return "bf";
|
||
case IT: return "it";
|
||
case SL: return "sl";
|
||
case EM: return "em";
|
||
}
|
||
return "";
|
||
}
|
||
|
||
|
||
inline
|
||
void operator|=(PAR_TAG & p1, PAR_TAG const & p2)
|
||
{
|
||
p1 = static_cast<PAR_TAG>(p1 | p2);
|
||
}
|
||
|
||
|
||
inline
|
||
void reset(PAR_TAG & p1, PAR_TAG const & p2)
|
||
{
|
||
p1 = static_cast<PAR_TAG>(p1 & ~p2);
|
||
}
|
||
|
||
} // anon
|
||
|
||
|
||
bool Paragraph::emptyTag() const
|
||
{
|
||
for (pos_type i = 0; i < size(); ++i) {
|
||
if (isInset(i)) {
|
||
Inset const * inset = getInset(i);
|
||
InsetCode lyx_code = inset->lyxCode();
|
||
if (lyx_code != TOC_CODE &&
|
||
lyx_code != INCLUDE_CODE &&
|
||
lyx_code != GRAPHICS_CODE &&
|
||
lyx_code != ERT_CODE &&
|
||
lyx_code != LISTINGS_CODE &&
|
||
lyx_code != FLOAT_CODE &&
|
||
lyx_code != TABULAR_CODE) {
|
||
return false;
|
||
}
|
||
} else {
|
||
value_type c = getChar(i);
|
||
if (c != ' ' && c != '\t')
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
|
||
string Paragraph::getID(Buffer const & buf, OutputParams const & runparams) const
|
||
{
|
||
for (pos_type i = 0; i < size(); ++i) {
|
||
if (isInset(i)) {
|
||
Inset const * inset = getInset(i);
|
||
InsetCode lyx_code = inset->lyxCode();
|
||
if (lyx_code == LABEL_CODE) {
|
||
string const id = static_cast<InsetCommand const *>(inset)->getContents();
|
||
return "id='" + to_utf8(sgml::cleanID(buf, runparams, from_utf8(id))) + "'";
|
||
}
|
||
}
|
||
|
||
}
|
||
return string();
|
||
}
|
||
|
||
|
||
pos_type Paragraph::getFirstWord(Buffer const & buf, odocstream & os, OutputParams const & runparams) const
|
||
{
|
||
pos_type i;
|
||
for (i = 0; i < size(); ++i) {
|
||
if (isInset(i)) {
|
||
Inset const * inset = getInset(i);
|
||
inset->docbook(buf, os, runparams);
|
||
} else {
|
||
value_type c = getChar(i);
|
||
if (c == ' ')
|
||
break;
|
||
os << sgml::escapeChar(c);
|
||
}
|
||
}
|
||
return i;
|
||
}
|
||
|
||
|
||
bool Paragraph::onlyText(Buffer const & buf, Font const & outerfont, pos_type initial) const
|
||
{
|
||
Font font_old;
|
||
|
||
for (pos_type i = initial; i < size(); ++i) {
|
||
Font font = getFont(buf.params(), i, outerfont);
|
||
if (isInset(i))
|
||
return false;
|
||
if (i != initial && font != font_old)
|
||
return false;
|
||
font_old = font;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
void Paragraph::simpleDocBookOnePar(Buffer const & buf,
|
||
odocstream & os,
|
||
OutputParams const & runparams,
|
||
Font const & outerfont,
|
||
pos_type initial) const
|
||
{
|
||
bool emph_flag = false;
|
||
|
||
LayoutPtr const & style = layout();
|
||
Font font_old =
|
||
style->labeltype == LABEL_MANUAL ? style->labelfont : style->font;
|
||
|
||
if (style->pass_thru && !onlyText(buf, outerfont, initial))
|
||
os << "]]>";
|
||
|
||
// parsing main loop
|
||
for (pos_type i = initial; i < size(); ++i) {
|
||
Font font = getFont(buf.params(), i, outerfont);
|
||
|
||
// handle <emphasis> tag
|
||
if (font_old.emph() != font.emph()) {
|
||
if (font.emph() == Font::ON) {
|
||
os << "<emphasis>";
|
||
emph_flag = true;
|
||
} else if (i != initial) {
|
||
os << "</emphasis>";
|
||
emph_flag = false;
|
||
}
|
||
}
|
||
|
||
if (isInset(i)) {
|
||
Inset const * inset = getInset(i);
|
||
inset->docbook(buf, os, runparams);
|
||
} else {
|
||
value_type c = getChar(i);
|
||
|
||
if (style->pass_thru)
|
||
os.put(c);
|
||
else
|
||
os << sgml::escapeChar(c);
|
||
}
|
||
font_old = font;
|
||
}
|
||
|
||
if (emph_flag) {
|
||
os << "</emphasis>";
|
||
}
|
||
|
||
if (style->free_spacing)
|
||
os << '\n';
|
||
if (style->pass_thru && !onlyText(buf, outerfont, initial))
|
||
os << "<![CDATA[";
|
||
}
|
||
|
||
|
||
bool Paragraph::isHfill(pos_type pos) const
|
||
{
|
||
return isInset(pos)
|
||
&& getInset(pos)->lyxCode() == HFILL_CODE;
|
||
}
|
||
|
||
|
||
bool Paragraph::isNewline(pos_type pos) const
|
||
{
|
||
return isInset(pos)
|
||
&& getInset(pos)->lyxCode() == NEWLINE_CODE;
|
||
}
|
||
|
||
|
||
bool Paragraph::isLineSeparator(pos_type pos) const
|
||
{
|
||
value_type const c = getChar(pos);
|
||
return isLineSeparatorChar(c)
|
||
|| (c == Paragraph::META_INSET && getInset(pos) &&
|
||
getInset(pos)->isLineSeparator());
|
||
}
|
||
|
||
|
||
/// Used by the spellchecker
|
||
bool Paragraph::isLetter(pos_type pos) const
|
||
{
|
||
if (isInset(pos))
|
||
return getInset(pos)->isLetter();
|
||
else {
|
||
value_type const c = getChar(pos);
|
||
return isLetterChar(c) || isDigit(c);
|
||
}
|
||
}
|
||
|
||
|
||
Language const *
|
||
Paragraph::getParLanguage(BufferParams const & bparams) const
|
||
{
|
||
if (!empty())
|
||
return getFirstFontSettings(bparams).language();
|
||
// FIXME: we should check the prev par as well (Lgb)
|
||
return bparams.language;
|
||
}
|
||
|
||
|
||
bool Paragraph::isRTL(BufferParams const & bparams) const
|
||
{
|
||
return lyxrc.rtl_support
|
||
&& getParLanguage(bparams)->rightToLeft()
|
||
&& ownerCode() != ERT_CODE
|
||
&& ownerCode() != LISTINGS_CODE;
|
||
}
|
||
|
||
|
||
void Paragraph::changeLanguage(BufferParams const & bparams,
|
||
Language const * from, Language const * to)
|
||
{
|
||
// change language including dummy font change at the end
|
||
for (pos_type i = 0; i <= size(); ++i) {
|
||
Font font = getFontSettings(bparams, i);
|
||
if (font.language() == from) {
|
||
font.setLanguage(to);
|
||
setFont(i, font);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
bool Paragraph::isMultiLingual(BufferParams const & bparams) const
|
||
{
|
||
Language const * doc_language = bparams.language;
|
||
FontList::const_iterator cit = d->fontlist_.begin();
|
||
FontList::const_iterator end = d->fontlist_.end();
|
||
|
||
for (; cit != end; ++cit)
|
||
if (cit->font().language() != ignore_language &&
|
||
cit->font().language() != latex_language &&
|
||
cit->font().language() != doc_language)
|
||
return true;
|
||
return false;
|
||
}
|
||
|
||
|
||
// Convert the paragraph to a string.
|
||
// Used for building the table of contents
|
||
docstring const Paragraph::asString(Buffer const & buffer, bool label) const
|
||
{
|
||
return asString(buffer, 0, size(), label);
|
||
}
|
||
|
||
|
||
docstring const Paragraph::asString(Buffer const & buffer,
|
||
pos_type beg, pos_type end, bool label) const
|
||
{
|
||
|
||
odocstringstream os;
|
||
|
||
if (beg == 0 && label && !params().labelString().empty())
|
||
os << params().labelString() << ' ';
|
||
|
||
for (pos_type i = beg; i < end; ++i) {
|
||
value_type const c = getChar(i);
|
||
if (isPrintable(c))
|
||
os.put(c);
|
||
else if (c == META_INSET)
|
||
getInset(i)->textString(buffer, os);
|
||
}
|
||
|
||
return os.str();
|
||
}
|
||
|
||
|
||
void Paragraph::setInsetOwner(Inset * inset)
|
||
{
|
||
d->inset_owner_ = inset;
|
||
}
|
||
|
||
|
||
int Paragraph::id() const
|
||
{
|
||
return d->id_;
|
||
}
|
||
|
||
|
||
LayoutPtr const & Paragraph::layout() const
|
||
{
|
||
return layout_;
|
||
}
|
||
|
||
|
||
void Paragraph::layout(LayoutPtr const & new_layout)
|
||
{
|
||
layout_ = new_layout;
|
||
}
|
||
|
||
|
||
Inset * Paragraph::inInset() const
|
||
{
|
||
return d->inset_owner_;
|
||
}
|
||
|
||
|
||
InsetCode Paragraph::ownerCode() const
|
||
{
|
||
return d->inset_owner_ ?
|
||
d->inset_owner_->lyxCode() : NO_CODE;
|
||
}
|
||
|
||
|
||
ParagraphParameters & Paragraph::params()
|
||
{
|
||
return d->params_;
|
||
}
|
||
|
||
|
||
ParagraphParameters const & Paragraph::params() const
|
||
{
|
||
return d->params_;
|
||
}
|
||
|
||
|
||
bool Paragraph::isFreeSpacing() const
|
||
{
|
||
if (layout()->free_spacing)
|
||
return true;
|
||
|
||
// for now we just need this, later should we need this in some
|
||
// other way we can always add a function to Inset too.
|
||
return ownerCode() == ERT_CODE || ownerCode() == LISTINGS_CODE;
|
||
}
|
||
|
||
|
||
bool Paragraph::allowEmpty() const
|
||
{
|
||
if (layout()->keepempty)
|
||
return true;
|
||
return ownerCode() == ERT_CODE || ownerCode() == LISTINGS_CODE;
|
||
}
|
||
|
||
|
||
char_type Paragraph::transformChar(char_type c, pos_type pos) const
|
||
{
|
||
if (!Encodings::is_arabic(c))
|
||
return c;
|
||
|
||
value_type prev_char = ' ';
|
||
value_type next_char = ' ';
|
||
|
||
for (pos_type i = pos - 1; i >= 0; --i) {
|
||
value_type const par_char = getChar(i);
|
||
if (!Encodings::isComposeChar_arabic(par_char)) {
|
||
prev_char = par_char;
|
||
break;
|
||
}
|
||
}
|
||
|
||
for (pos_type i = pos + 1, end = size(); i < end; ++i) {
|
||
value_type const par_char = getChar(i);
|
||
if (!Encodings::isComposeChar_arabic(par_char)) {
|
||
next_char = par_char;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (Encodings::is_arabic(next_char)) {
|
||
if (Encodings::is_arabic(prev_char) &&
|
||
!Encodings::is_arabic_special(prev_char))
|
||
return Encodings::transformChar(c, Encodings::FORM_MEDIAL);
|
||
else
|
||
return Encodings::transformChar(c, Encodings::FORM_INITIAL);
|
||
} else {
|
||
if (Encodings::is_arabic(prev_char) &&
|
||
!Encodings::is_arabic_special(prev_char))
|
||
return Encodings::transformChar(c, Encodings::FORM_FINAL);
|
||
else
|
||
return Encodings::transformChar(c, Encodings::FORM_ISOLATED);
|
||
}
|
||
}
|
||
|
||
|
||
int Paragraph::checkBiblio(bool track_changes)
|
||
{
|
||
//FIXME From JS:
|
||
//This is getting more and more a mess. ...We really should clean
|
||
//up this bibitem issue for 1.6. See also bug 2743.
|
||
|
||
// Add bibitem insets if necessary
|
||
if (layout()->labeltype != LABEL_BIBLIO)
|
||
return 0;
|
||
|
||
bool hasbibitem = !d->insetlist_.empty()
|
||
// Insist on it being in pos 0
|
||
&& getChar(0) == Paragraph::META_INSET
|
||
&& d->insetlist_.begin()->inset->lyxCode() == BIBITEM_CODE;
|
||
|
||
docstring oldkey;
|
||
docstring oldlabel;
|
||
|
||
// remove a bibitem in pos != 0
|
||
// restore it later in pos 0 if necessary
|
||
// (e.g. if a user inserts contents _before_ the item)
|
||
// we're assuming there's only one of these, which there
|
||
// should be.
|
||
int erasedInsetPosition = -1;
|
||
InsetList::iterator it = d->insetlist_.begin();
|
||
InsetList::iterator end = d->insetlist_.end();
|
||
for (; it != end; ++it)
|
||
if (it->inset->lyxCode() == BIBITEM_CODE
|
||
&& it->pos > 0) {
|
||
InsetBibitem * olditem = static_cast<InsetBibitem *>(it->inset);
|
||
oldkey = olditem->getParam("key");
|
||
oldlabel = olditem->getParam("label");
|
||
erasedInsetPosition = it->pos;
|
||
eraseChar(erasedInsetPosition, track_changes);
|
||
break;
|
||
}
|
||
|
||
//There was an InsetBibitem at the beginning, and we didn't
|
||
//have to erase one.
|
||
if (hasbibitem && erasedInsetPosition < 0)
|
||
return 0;
|
||
|
||
//There was an InsetBibitem at the beginning and we did have to
|
||
//erase one. So we give its properties to the beginning inset.
|
||
if (hasbibitem) {
|
||
InsetBibitem * inset =
|
||
static_cast<InsetBibitem *>(d->insetlist_.begin()->inset);
|
||
if (!oldkey.empty())
|
||
inset->setParam("key", oldkey);
|
||
inset->setParam("label", oldlabel);
|
||
return -erasedInsetPosition;
|
||
}
|
||
|
||
//There was no inset at the beginning, so we need to create one with
|
||
//the key and label of the one we erased.
|
||
InsetBibitem * inset(new InsetBibitem(InsetCommandParams(BIBITEM_CODE)));
|
||
// restore values of previously deleted item in this par.
|
||
if (!oldkey.empty())
|
||
inset->setParam("key", oldkey);
|
||
inset->setParam("label", oldlabel);
|
||
insertInset(0, static_cast<Inset *>(inset),
|
||
Change(track_changes ? Change::INSERTED : Change::UNCHANGED));
|
||
|
||
return 1;
|
||
}
|
||
|
||
|
||
void Paragraph::checkAuthors(AuthorList const & authorList)
|
||
{
|
||
d->changes_.checkAuthors(authorList);
|
||
}
|
||
|
||
|
||
bool Paragraph::isUnchanged(pos_type pos) const
|
||
{
|
||
return lookupChange(pos).type == Change::UNCHANGED;
|
||
}
|
||
|
||
|
||
bool Paragraph::isInserted(pos_type pos) const
|
||
{
|
||
return lookupChange(pos).type == Change::INSERTED;
|
||
}
|
||
|
||
|
||
bool Paragraph::isDeleted(pos_type pos) const
|
||
{
|
||
return lookupChange(pos).type == Change::DELETED;
|
||
}
|
||
|
||
|
||
InsetList const & Paragraph::insetList() const
|
||
{
|
||
return d->insetlist_;
|
||
}
|
||
|
||
|
||
Inset * Paragraph::releaseInset(pos_type pos)
|
||
{
|
||
Inset * inset = d->insetlist_.release(pos);
|
||
/// does not honour change tracking!
|
||
eraseChar(pos, false);
|
||
return inset;
|
||
}
|
||
|
||
|
||
Inset * Paragraph::getInset(pos_type pos)
|
||
{
|
||
return d->insetlist_.get(pos);
|
||
}
|
||
|
||
|
||
Inset const * Paragraph::getInset(pos_type pos) const
|
||
{
|
||
return d->insetlist_.get(pos);
|
||
}
|
||
|
||
|
||
int Paragraph::numberOfOptArgs() const
|
||
{
|
||
int num = 0;
|
||
InsetList::const_iterator it = insetList().begin();
|
||
InsetList::const_iterator end = insetList().end();
|
||
for (; it != end ; ++it) {
|
||
if (it->inset->lyxCode() == OPTARG_CODE)
|
||
++num;
|
||
}
|
||
return num;
|
||
}
|
||
|
||
|
||
} // namespace lyx
|