mirror of
https://git.lyx.org/repos/lyx.git
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6ef49d59c2
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4271 a592a061-630c-0410-9148-cb99ea01b6c8
592 lines
13 KiB
C
592 lines
13 KiB
C
/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team.
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*
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* ====================================================== */
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "paragraph_pimpl.h"
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#include "texrow.h"
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#include "language.h"
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#include "bufferparams.h"
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#include "encoding.h"
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#include "lyxrc.h"
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#include "debug.h"
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#include "lyxtextclasslist.h"
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#include "support/LAssert.h"
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using lyx::pos_type;
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using std::endl;
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using std::ostream;
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using std::upper_bound;
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using std::lower_bound;
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extern int tex_code_break_column;
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// Initialize static member.
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ShareContainer<LyXFont> Paragraph::Pimpl::FontTable::container;
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// Initialization of the counter for the paragraph id's,
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unsigned int Paragraph::Pimpl::paragraph_id = 0;
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namespace {
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string special_phrases[][2] = {
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{ "LyX", "\\LyX{}" },
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{ "TeX", "\\TeX{}" },
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{ "LaTeX2e", "\\LaTeXe{}" },
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{ "LaTeX", "\\LaTeX{}" },
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};
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size_t phrases_nr = sizeof(special_phrases)/sizeof(special_phrases[0]);
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} // namespace anon
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Paragraph::Pimpl::Pimpl(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::Pimpl::Pimpl(Pimpl const & p, Paragraph * owner, bool same_ids)
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: params(p.params), owner_(owner)
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{
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inset_owner = p.inset_owner;
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text = p.text;
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fontlist = p.fontlist;
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if (same_ids)
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id_ = p.id_;
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else
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id_ = paragraph_id++;
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}
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void Paragraph::Pimpl::clear()
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{
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text.clear();
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}
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void Paragraph::Pimpl::setContentsFromPar(Paragraph const * par)
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{
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lyx::Assert(par);
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text = par->pimpl_->text;
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}
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Paragraph::value_type Paragraph::Pimpl::getChar(pos_type pos) const
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{
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// This is in the critical path for loading!
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pos_type siz = size();
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lyx::Assert(pos <= siz);
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// This is stronger, and I belive that this is the assertion
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// that we should really use. (Lgb)
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//Assert(pos < size());
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// Then this has no meaning. (Lgb)
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if (!siz || pos == siz)
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return '\0';
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return text[pos];
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}
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void Paragraph::Pimpl::setChar(pos_type pos, value_type c)
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{
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text[pos] = c;
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}
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void Paragraph::Pimpl::insertChar(pos_type pos, value_type c,
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LyXFont const & font)
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{
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lyx::Assert(pos <= size());
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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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text.push_back(c);
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owner_->setFont(pos, font);
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return;
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}
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text.insert(text.begin() + pos, c);
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// Update the font table.
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FontTable search_font(pos, LyXFont());
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for (FontList::iterator it = lower_bound(fontlist.begin(),
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fontlist.end(),
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search_font, matchFT());
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it != fontlist.end(); ++it)
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{
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it->pos(it->pos() + 1);
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}
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// Update the inset table.
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InsetTable search_inset(pos, 0);
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for (InsetList::iterator it = lower_bound(owner_->insetlist.begin(),
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owner_->insetlist.end(),
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search_inset, matchIT());
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it != owner_->insetlist.end(); ++it)
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{
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++it->pos;
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}
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owner_->setFont(pos, font);
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}
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void Paragraph::Pimpl::insertInset(pos_type pos,
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Inset * inset, LyXFont const & font)
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{
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lyx::Assert(inset);
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lyx::Assert(pos <= size());
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insertChar(pos, META_INSET, font);
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lyx::Assert(text[pos] == META_INSET);
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// Add a new entry in the inset table.
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InsetTable search_inset(pos, 0);
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InsetList::iterator it = lower_bound(owner_->insetlist.begin(),
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owner_->insetlist.end(),
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search_inset, matchIT());
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if (it != owner_->insetlist.end() && it->pos == pos) {
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lyxerr << "ERROR (Paragraph::InsertInset): "
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"there is an inset in position: " << pos << endl;
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} else {
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owner_->insetlist.insert(it, InsetTable(pos, inset));
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inset->parOwner(owner_);
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}
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if (inset_owner)
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inset->setOwner(inset_owner);
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}
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void Paragraph::Pimpl::erase(pos_type pos)
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{
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lyx::Assert(pos < size());
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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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// find the entry
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InsetTable search_inset(pos, 0);
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InsetList::iterator it =
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lower_bound(owner_->insetlist.begin(),
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owner_->insetlist.end(),
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search_inset, matchIT());
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if (it != owner_->insetlist.end() && it->pos == pos) {
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delete it->inset;
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owner_->insetlist.erase(it);
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}
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}
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text.erase(text.begin() + pos);
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// Erase entries in the tables.
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FontTable search_font(pos, LyXFont());
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FontList::iterator it =
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lower_bound(fontlist.begin(),
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fontlist.end(),
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search_font, matchFT());
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if (it != fontlist.end() && it->pos() == pos &&
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(pos == 0 ||
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(it != fontlist.begin()
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&& boost::prior(it)->pos() == pos - 1))) {
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// If it is a multi-character font
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// entry, we just make it smaller
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// (see update below), otherwise we
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// should delete it.
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unsigned int const i = it - fontlist.begin();
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fontlist.erase(fontlist.begin() + i);
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it = fontlist.begin() + i;
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if (i > 0 && i < fontlist.size() &&
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fontlist[i - 1].font() == fontlist[i].font()) {
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fontlist.erase(fontlist.begin() + i - 1);
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it = fontlist.begin() + i - 1;
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}
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}
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// Update all other entries.
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FontList::iterator fend = fontlist.end();
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for (; it != fend; ++it)
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it->pos(it->pos() - 1);
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// Update the inset table.
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InsetTable search_inset(pos, 0);
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InsetList::iterator lend = owner_->insetlist.end();
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for (InsetList::iterator it =
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upper_bound(owner_->insetlist.begin(),
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lend,
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search_inset, matchIT());
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it != lend; ++it)
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--it->pos;
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}
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void Paragraph::Pimpl::simpleTeXBlanks(ostream & os, TexRow & texrow,
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pos_type const i,
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int & column, LyXFont const & font,
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LyXLayout const & style)
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{
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if (style.pass_thru) return;
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if (column > tex_code_break_column
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&& i
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&& getChar(i - 1) != ' '
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&& (i < size() - 1)
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// same in FreeSpacing mode
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&& !style.free_spacing
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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
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&& !(font.family() == LyXFont::TYPEWRITER_FAMILY
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&& (getChar(i - 1) == '.'
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|| getChar(i - 1) == '?'
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|| getChar(i - 1) == ':'
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|| getChar(i - 1) == '!'))) {
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if (tex_code_break_column == 0) {
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// in batchmode we need LaTeX to still
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// see it as a space not as an extra '\n'
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os << " %\n";
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} else {
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os << '\n';
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}
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texrow.newline();
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texrow.start(owner_, 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 << ' ';
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}
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}
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bool Paragraph::Pimpl::isTextAt(BufferParams const & bp,
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string const & str, pos_type pos)
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{
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LyXFont const & font = owner_->getFont(bp, pos);
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for (string::size_type i = 0; i < str.length(); ++i) {
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if (pos + static_cast<pos_type>(i) >= size())
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return false;
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if (str[i] != getChar(pos + i))
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return false;
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if (owner_->getFont(bp, pos + i) != font)
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return false;
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}
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return true;
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}
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void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const * buf,
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BufferParams const & bparams,
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ostream & os,
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TexRow & texrow,
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bool moving_arg,
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LyXFont & font,
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LyXFont & running_font,
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LyXFont & basefont,
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bool & open_font,
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LyXLayout const & style,
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pos_type & i,
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int & column,
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value_type const c)
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{
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if (style.pass_thru) {
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if (c != '\0') os << c;
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return;
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}
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// Two major modes: LaTeX or plain
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// Handle here those cases common to both modes
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// and then split to handle the two modes separately.
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switch (c) {
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case Paragraph::META_INSET: {
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Inset * inset = owner_->getInset(i);
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if (inset) {
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bool close = false;
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int const len = os.tellp();
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//ostream::pos_type const len = os.tellp();
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if ((inset->lyxCode() == Inset::GRAPHICS_CODE
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|| inset->lyxCode() == Inset::MATH_CODE
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|| inset->lyxCode() == Inset::URL_CODE)
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&& running_font.isRightToLeft()) {
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os << "\\L{";
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close = true;
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}
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int tmp = inset->latex(buf, os, moving_arg,
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style.free_spacing);
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if (close)
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os << "}";
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if (tmp) {
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for (int j = 0; j < tmp; ++j) {
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texrow.newline();
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}
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texrow.start(owner_, i + 1);
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column = 0;
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} else {
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column += int(os.tellp()) - len;
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}
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}
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}
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break;
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case Paragraph::META_NEWLINE:
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if (open_font) {
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column += running_font.latexWriteEndChanges(os,
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basefont,
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basefont);
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open_font = false;
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}
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basefont = owner_->getLayoutFont(bparams);
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running_font = basefont;
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break;
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case Paragraph::META_HFILL:
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os << "\\hfill{}";
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column += 7;
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break;
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default:
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// And now for the special cases within each mode
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switch (c) {
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case '\\':
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os << "\\textbackslash{}";
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column += 15;
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break;
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case '<EFBFBD>': case '<EFBFBD>': case '<EFBFBD>':
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case '<EFBFBD>': case '<EFBFBD>': case '<EFBFBD>':
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case '<EFBFBD>': case '<EFBFBD>':
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if ((bparams.inputenc == "latin1" ||
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bparams.inputenc == "latin9") ||
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(bparams.inputenc == "auto" &&
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(font.language()->encoding()->LatexName()
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== "latin1" ||
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font.language()->encoding()->LatexName()
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== "latin9"))) {
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os << "\\ensuremath{"
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<< c
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<< '}';
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column += 13;
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} else {
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os << c;
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}
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break;
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case '|': case '<': case '>':
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// In T1 encoding, these characters exist
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if (lyxrc.fontenc == "T1") {
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os << c;
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//... but we should avoid ligatures
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if ((c == '>' || c == '<')
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&& i <= size() - 2
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&& getChar(i + 1) == c) {
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//os << "\\textcompwordmark{}";
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// Jean-Marc, have a look at
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// this. I<>think this works
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// equally well:
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os << "\\,{}";
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// Lgb
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column += 19;
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}
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break;
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}
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// Typewriter font also has them
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if (font.family() == LyXFont::TYPEWRITER_FAMILY) {
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os << c;
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break;
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}
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// Otherwise, we use what LaTeX
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// provides us.
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switch (c) {
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case '<':
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os << "\\textless{}";
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column += 10;
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break;
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case '>':
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os << "\\textgreater{}";
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column += 13;
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break;
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case '|':
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os << "\\textbar{}";
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column += 9;
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break;
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}
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break;
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case '-': // "--" in Typewriter mode -> "-{}-"
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if (i <= size() - 2
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&& getChar(i + 1) == '-'
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&& font.family() == LyXFont::TYPEWRITER_FAMILY) {
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os << "-{}";
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column += 2;
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} else {
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os << '-';
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}
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break;
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case '\"':
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os << "\\char`\\\"{}";
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column += 9;
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break;
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case '<EFBFBD>':
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if (bparams.inputenc == "default") {
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os << "\\pounds{}";
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column += 8;
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} else {
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os << c;
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}
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break;
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case '$': case '&':
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case '%': case '#': case '{':
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case '}': case '_':
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os << '\\' << c;
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column += 1;
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break;
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case '~':
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os << "\\textasciitilde{}";
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column += 16;
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break;
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case '^':
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os << "\\textasciicircum{}";
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column += 17;
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break;
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case '*': case '[': case ']':
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// avoid being mistaken for optional arguments
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os << '{' << c << '}';
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column += 2;
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break;
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case ' ':
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// Blanks are printed before font switching.
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// Sure? I am not! (try nice-latex)
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// I am sure it's correct. LyX might be smarter
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// in the future, but for now, nothing wrong is
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// written. (Asger)
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break;
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default:
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// I assume this is hack treating typewriter as verbatim
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if (font.family() == LyXFont::TYPEWRITER_FAMILY) {
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if (c != '\0') {
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os << c;
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}
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break;
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}
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// LyX, LaTeX etc.
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// FIXME: if we have "LaTeX" with a font change in the middle (before
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// the 'T', then the "TeX" part is still special cased. Really we
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// should only operate this on "words" for some definition of word
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size_t pnr = 0;
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for (; pnr < phrases_nr; ++pnr) {
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if (isTextAt(bparams, special_phrases[pnr][0], i)) {
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os << special_phrases[pnr][1];
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i += special_phrases[pnr][0].length() - 1;
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column += special_phrases[pnr][1].length() - 1;
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break;
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}
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}
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if (pnr == phrases_nr && c != '\0') {
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os << c;
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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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Paragraph * Paragraph::Pimpl::TeXDeeper(Buffer const * buf,
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BufferParams const & bparams,
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ostream & os, TexRow & texrow)
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{
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lyxerr[Debug::LATEX] << "TeXDeeper... " << this << endl;
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Paragraph * par = owner_;
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while (par && par->params().depth() == owner_->params().depth()) {
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if (textclasslist[bparams.textclass][par->layout()].isEnvironment()) {
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par = par->TeXEnvironment(buf, bparams,
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os, texrow);
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} else {
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par = par->TeXOnePar(buf, bparams,
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os, texrow, false);
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}
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}
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lyxerr[Debug::LATEX] << "TeXDeeper...done " << par << endl;
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return par;
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}
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Paragraph * Paragraph::Pimpl::getParFromID(int id) const
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{
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InsetList::const_iterator cit = owner_->insetlist.begin();
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InsetList::const_iterator lend = owner_->insetlist.end();
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Paragraph * result;
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for (; cit != lend; ++cit) {
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if ((result = cit->inset->getParFromID(id)))
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return result;
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}
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return 0;
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}
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LyXFont const Paragraph::Pimpl::realizeFont(LyXFont const & font,
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BufferParams const & bparams) const
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{
|
||
LyXFont tmpfont(font);
|
||
|
||
// check for environment font information
|
||
char par_depth = owner_->getDepth();
|
||
Paragraph const * par = owner_;
|
||
LyXTextClass const & tclass = textclasslist[bparams.textclass];
|
||
|
||
while (par && par->getDepth() && !tmpfont.resolved()) {
|
||
par = par->outerHook();
|
||
if (par) {
|
||
tmpfont.realize(tclass[par->layout()].font
|
||
#ifdef INHERIT_LANGUAGE
|
||
, bparams.language
|
||
#endif
|
||
);
|
||
par_depth = par->getDepth();
|
||
}
|
||
}
|
||
|
||
tmpfont.realize(tclass.defaultfont()
|
||
#ifdef INHERIT_LANGUAGE
|
||
, bparams.language
|
||
#endif
|
||
);
|
||
return tmpfont;
|
||
}
|