-/* This file is part of
- * ======================================================
+/**
+ * \file paragraph_pimpl.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * LyX, The Document Processor
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author John Levon
+ * \author André Pönitz
*
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS.
+ */
#include <config.h>
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "paragraph_pimpl.h"
-#include "LaTeXFeatures.h"
-#include "texrow.h"
-#include "language.h"
+
#include "bufferparams.h"
+#include "debug.h"
#include "encoding.h"
+#include "language.h"
+#include "LaTeXFeatures.h"
+#include "LColor.h"
+#include "lyxlength.h"
#include "lyxrc.h"
-#include "debug.h"
+#include "outputparams.h"
+#include "texrow.h"
-#include "support/LAssert.h"
+#include <boost/next_prior.hpp>
using lyx::pos_type;
+
using std::endl;
-using std::ostream;
using std::upper_bound;
using std::lower_bound;
+using std::string;
+using std::ostream;
+
-// Initialize static member.
-ShareContainer<LyXFont> Paragraph::Pimpl::FontTable::container;
// Initialization of the counter for the paragraph id's,
unsigned int Paragraph::Pimpl::paragraph_id = 0;
}
-Paragraph::Pimpl::Pimpl(Pimpl const & p, Paragraph * owner, bool same_ids)
+Paragraph::Pimpl::Pimpl(Pimpl const & p, Paragraph * owner)
: params(p.params), owner_(owner)
{
inset_owner = p.inset_owner;
- text = p.text;
fontlist = p.fontlist;
- if (same_ids)
- id_ = p.id_;
- else
- id_ = paragraph_id++;
+ id_ = paragraph_id++;
+
+ if (p.tracking())
+ changes_.reset(new Changes(*p.changes_.get()));
+}
+
+
+void Paragraph::Pimpl::setContentsFromPar(Paragraph const & par)
+{
+ owner_->text_ = par.text_;
+ if (par.pimpl_->tracking()) {
+ changes_.reset(new Changes(*(par.pimpl_->changes_.get())));
+ }
}
-void Paragraph::Pimpl::clear()
+void Paragraph::Pimpl::trackChanges(Change::Type type)
{
- text.clear();
+ if (tracking()) {
+ lyxerr[Debug::CHANGES] << "already tracking for par " << id_ << endl;
+ return;
+ }
+
+ lyxerr[Debug::CHANGES] << "track changes for par "
+ << id_ << " type " << type << endl;
+ changes_.reset(new Changes(type));
+ changes_->set(type, 0, size());
}
-void Paragraph::Pimpl::setContentsFromPar(Paragraph const * par)
+void Paragraph::Pimpl::untrackChanges()
{
- lyx::Assert(par);
- text = par->pimpl_->text;
+ changes_.reset(0);
}
-Paragraph::value_type Paragraph::Pimpl::getChar(pos_type pos) const
+void Paragraph::Pimpl::cleanChanges()
+{
+ // if we're not tracking, we don't want to reset...
+ if (!tracking())
+ return;
+
+ changes_.reset(new Changes(Change::INSERTED));
+ changes_->set(Change::INSERTED, 0, size());
+}
+
+
+bool Paragraph::Pimpl::isChanged(pos_type start, pos_type end) const
{
- // This is in the critical path for loading!
- pos_type const siz = size();
- lyx::Assert(pos <= siz);
- // This is stronger, and I belive that this is the assertion
- // that we should really use. (Lgb)
- //Assert(pos < size());
-
- // Then this has no meaning. (Lgb)
- if (!siz || pos == siz)
- return '\0';
-
- return text[pos];
+ if (!tracking())
+ return false;
+
+ return changes_->isChange(start, end);
+}
+
+
+bool Paragraph::Pimpl::isChangeEdited(pos_type start, pos_type end) const
+{
+ if (!tracking())
+ return false;
+
+ return changes_->isChangeEdited(start, end);
+}
+
+
+void Paragraph::Pimpl::setChange(pos_type pos, Change::Type type)
+{
+ if (!tracking())
+ return;
+
+ changes_->set(type, pos);
+}
+
+
+Change::Type Paragraph::Pimpl::lookupChange(pos_type pos) const
+{
+ if (!tracking())
+ return Change::UNCHANGED;
+
+ return changes_->lookup(pos);
+}
+
+
+Change const Paragraph::Pimpl::lookupChangeFull(pos_type pos) const
+{
+ if (!tracking())
+ return Change(Change::UNCHANGED);
+
+ return changes_->lookupFull(pos);
+}
+
+
+void Paragraph::Pimpl::markErased()
+{
+ BOOST_ASSERT(tracking());
+
+ // FIXME: we should actually remove INSERTED chars.
+ // difficult because owning insettexts/tabulars need
+ // to update themselves when rows etc. change
+ changes_->set(Change::DELETED, 0, size());
+ changes_->reset(Change::DELETED);
+}
+
+
+void Paragraph::Pimpl::acceptChange(pos_type start, pos_type end)
+{
+ if (!tracking())
+ return;
+
+ if (!size()) {
+ changes_.reset(new Changes(Change::UNCHANGED));
+ return;
+ }
+
+ lyxerr << "acceptchange" << endl;
+ pos_type i = start;
+
+ for (; i < end; ++i) {
+ switch (lookupChange(i)) {
+ case Change::UNCHANGED:
+ break;
+
+ case Change::INSERTED:
+ changes_->set(Change::UNCHANGED, i);
+ break;
+
+ case Change::DELETED:
+ eraseIntern(i);
+ changes_->erase(i);
+ --end;
+ --i;
+ break;
+ }
+ }
+
+ lyxerr << "endacceptchange" << endl;
+ changes_->reset(Change::UNCHANGED);
+}
+
+
+void Paragraph::Pimpl::rejectChange(pos_type start, pos_type end)
+{
+ if (!tracking())
+ return;
+
+ if (!size()) {
+ changes_.reset(new Changes(Change::UNCHANGED));
+ return;
+ }
+
+ pos_type i = start;
+
+ for (; i < end; ++i) {
+ switch (lookupChange(i)) {
+ case Change::UNCHANGED:
+ break;
+
+ case Change::INSERTED:
+ eraseIntern(i);
+ changes_->erase(i);
+ --end;
+ --i;
+ break;
+
+ case Change::DELETED:
+ changes_->set(Change::UNCHANGED, i);
+ break;
+ }
+ }
+ changes_->reset(Change::UNCHANGED);
}
-void Paragraph::Pimpl::setChar(pos_type pos, value_type c)
+Paragraph::value_type Paragraph::Pimpl::getChar(pos_type pos) const
{
- text[pos] = c;
+ return owner_->getChar(pos);
}
-void Paragraph::Pimpl::insertChar(pos_type pos, value_type c,
- LyXFont const & font)
+void Paragraph::Pimpl::insertChar(pos_type pos, value_type c, Change change)
{
- lyx::Assert(pos <= size());
+ BOOST_ASSERT(pos <= size());
+
+ if (tracking()) {
+ changes_->record(change, pos);
+ }
// This is actually very common when parsing buffers (and
// maybe inserting ascii text)
if (pos == size()) {
// when appending characters, no need to update tables
- text.push_back(c);
- owner_->setFont(pos, font);
+ owner_->text_.push_back(c);
return;
}
- text.insert(text.begin() + pos, c);
+ owner_->text_.insert(owner_->text_.begin() + pos, c);
// Update the font table.
FontTable search_font(pos, LyXFont());
// Update the insets
owner_->insetlist.increasePosAfterPos(pos);
-
- owner_->setFont(pos, font);
}
void Paragraph::Pimpl::insertInset(pos_type pos,
- Inset * inset, LyXFont const & font)
+ InsetBase * inset, Change change)
{
- lyx::Assert(inset);
- lyx::Assert(pos <= size());
+ BOOST_ASSERT(inset);
+ BOOST_ASSERT(pos <= size());
- insertChar(pos, META_INSET, font);
- lyx::Assert(text[pos] == META_INSET);
+ insertChar(pos, META_INSET, change);
+ BOOST_ASSERT(owner_->text_[pos] == META_INSET);
// Add a new entry in the insetlist.
owner_->insetlist.insert(inset, pos);
- inset->parOwner(owner_);
-
- if (inset_owner)
- inset->setOwner(inset_owner);
}
-void Paragraph::Pimpl::erase(pos_type pos)
+void Paragraph::Pimpl::eraseIntern(pos_type pos)
{
- lyx::Assert(pos < size());
// if it is an inset, delete the inset entry
- if (text[pos] == Paragraph::META_INSET) {
+ if (owner_->text_[pos] == Paragraph::META_INSET) {
owner_->insetlist.erase(pos);
}
- text.erase(text.begin() + pos);
+ owner_->text_.erase(owner_->text_.begin() + pos);
// Erase entries in the tables.
FontTable search_font(pos, LyXFont());
}
+bool Paragraph::Pimpl::erase(pos_type pos)
+{
+ BOOST_ASSERT(pos < size());
+
+ if (tracking()) {
+ Change::Type changetype(changes_->lookup(pos));
+ changes_->record(Change(Change::DELETED), pos);
+
+ // only allow the actual removal if it was /new/ text
+ if (changetype != Change::INSERTED) {
+ if (owner_->text_[pos] == Paragraph::META_INSET) {
+ owner_->getInset(pos)->markErased();
+ }
+ return false;
+ }
+ }
+
+ eraseIntern(pos);
+ return true;
+}
+
+
+int Paragraph::Pimpl::erase(pos_type start, pos_type end)
+{
+ pos_type i = start;
+ for (pos_type count = end - start; count; --count) {
+ if (!erase(i))
+ ++i;
+ }
+ return end - i;
+}
+
+
void Paragraph::Pimpl::simpleTeXBlanks(ostream & os, TexRow & texrow,
pos_type const i,
- int & column, LyXFont const & font,
+ unsigned int & column,
+ LyXFont const & font,
LyXLayout const & style)
{
- if (style.pass_thru) return;
+ if (style.pass_thru)
+ return;
+
if (column > lyxrc.ascii_linelen
&& i
&& getChar(i - 1) != ' '
&& (i < size() - 1)
// same in FreeSpacing mode
- && !style.free_spacing
- && !owner_->isFreeSpacing()
+ && !owner_->isFreeSpacing()
// In typewriter mode, we want to avoid
// ! . ? : at the end of a line
&& !(font.family() == LyXFont::TYPEWRITER_FAMILY
|| getChar(i - 1) == '!'))) {
os << '\n';
texrow.newline();
- texrow.start(owner_, i + 1);
+ texrow.start(owner_->id(), i + 1);
column = 0;
} else if (style.free_spacing) {
os << '~';
// does the wanted text start at point?
for (string::size_type i = 0; i < str.length(); ++i) {
- if (str[i] != text[pos + i])
+ if (str[i] != owner_->text_[pos + i])
return false;
}
}
-void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const * buf,
+void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
BufferParams const & bparams,
ostream & os,
TexRow & texrow,
- bool moving_arg,
+ OutputParams const & runparams,
LyXFont & font,
LyXFont & running_font,
LyXFont & basefont,
+ LyXFont const & outerfont,
bool & open_font,
+ Change::Type & running_change,
LyXLayout const & style,
pos_type & i,
- int & column,
+ unsigned int & column,
value_type const c)
{
if (style.pass_thru) {
- if (c != '\0') os << c;
+ if (c != Paragraph::META_INSET) {
+ if (c != '\0')
+ os << c;
+ } else {
+ owner_->getInset(i)->plaintext(buf, os, runparams);
+ }
return;
}
+
// Two major modes: LaTeX or plain
// Handle here those cases common to both modes
// and then split to handle the two modes separately.
switch (c) {
case Paragraph::META_INSET: {
- Inset * inset = owner_->getInset(i);
- if (inset) {
- bool close = false;
- int const len = os.tellp();
- //ostream::pos_type const len = os.tellp();
- if ((inset->lyxCode() == Inset::GRAPHICS_CODE
- || inset->lyxCode() == Inset::MATH_CODE
- || inset->lyxCode() == Inset::URL_CODE)
- && running_font.isRightToLeft()) {
- os << "\\L{";
- close = true;
+ InsetBase * inset = owner_->getInset(i);
+
+ // FIXME: remove this check
+ if (!inset)
+ break;
+
+ // FIXME: move this to InsetNewline::latex
+ if (inset->lyxCode() == InsetBase::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, basefont, basefont);
+ open_font = false;
+ }
+ basefont = owner_->getLayoutFont(bparams, outerfont);
+ running_font = basefont;
+
+ if (font.family() == LyXFont::TYPEWRITER_FAMILY)
+ os << '~';
+
+ if (runparams.moving_arg)
+ os << "\\protect ";
+
+ os << "\\\\\n";
}
+ texrow.newline();
+ texrow.start(owner_->id(), i + 1);
+ column = 0;
+ break;
+ }
+
+ if (inset->isTextInset()) {
+ column += Changes::latexMarkChange(os, running_change,
+ Change::UNCHANGED);
+ running_change = Change::UNCHANGED;
+ }
+
+ bool close = false;
+ ostream::pos_type const len = os.tellp();
+
+ if ((inset->lyxCode() == InsetBase::GRAPHICS_CODE
+ || inset->lyxCode() == InsetBase::MATH_CODE
+ || inset->lyxCode() == InsetBase::URL_CODE)
+ && running_font.isRightToLeft()) {
+ os << "\\L{";
+ close = true;
+ }
#ifdef WITH_WARNINGS
#warning Bug: we can have an empty font change here!
// right now, which means stupid latex code like \textsf{}. AFAIK,
// this does not harm dvi output. A minor bug, thus (JMarc)
#endif
- // some insets cannot be inside a font change command
- if (open_font && inset->noFontChange()) {
- column +=running_font.
- latexWriteEndChanges(os,
- basefont,
- basefont);
- open_font = false;
- basefont = owner_->getLayoutFont(bparams);
- running_font = basefont;
- }
+ // some insets cannot be inside a font change command
+ if (open_font && inset->noFontChange()) {
+ column +=running_font.
+ latexWriteEndChanges(os,
+ basefont,
+ basefont);
+ open_font = false;
+ basefont = owner_->getLayoutFont(bparams, outerfont);
+ running_font = basefont;
+ }
- int tmp = inset->latex(buf, os, moving_arg,
- style.free_spacing);
+ int tmp = inset->latex(buf, os, runparams);
- if (close)
- os << "}";
+ if (close)
+ os << '}';
- if (tmp) {
- for (int j = 0; j < tmp; ++j) {
- texrow.newline();
- }
- texrow.start(owner_, i + 1);
- column = 0;
- } else {
- column += int(os.tellp()) - len;
+ if (tmp) {
+ for (int j = 0; j < tmp; ++j) {
+ texrow.newline();
}
+ texrow.start(owner_->id(), i + 1);
+ column = 0;
+ } else {
+ column += os.tellp() - len;
}
}
break;
- case Paragraph::META_NEWLINE:
- if (open_font) {
- column += running_font.latexWriteEndChanges(os,
- basefont,
- basefont);
- open_font = false;
- }
- basefont = owner_->getLayoutFont(bparams);
- running_font = basefont;
- break;
-
- case Paragraph::META_HFILL:
- os << "\\hfill{}";
- column += 7;
- break;
-
default:
// And now for the special cases within each mode
column += 17;
break;
- case '*': case '[': case ']':
+ case '*': case '[':
// avoid being mistaken for optional arguments
os << '{' << c << '}';
column += 2;
}
-
-Paragraph * Paragraph::Pimpl::TeXDeeper(Buffer const * buf,
- BufferParams const & bparams,
- ostream & os, TexRow & texrow)
-{
- lyxerr[Debug::LATEX] << "TeXDeeper... " << this << endl;
- Paragraph * par = owner_;
-
- while (par && par->params().depth() == owner_->params().depth()) {
- if (par->layout()->isEnvironment()) {
- par = par->TeXEnvironment(buf, bparams,
- os, texrow);
- } else {
- par = par->TeXOnePar(buf, bparams,
- os, texrow, false);
- }
- }
- lyxerr[Debug::LATEX] << "TeXDeeper...done " << par << endl;
-
- return par;
-}
-
-
void Paragraph::Pimpl::validate(LaTeXFeatures & features,
LyXLayout const & layout) const
{
BufferParams const & bparams = features.bufferParams();
// check the params.
- if (params.lineTop() || params.lineBottom())
- features.require("lyxline");
if (!params.spacing().isDefault())
features.require("setspace");
features.require("ParagraphLeftIndent");
// then the insets
- InsetList::iterator icit = owner_->insetlist.begin();
- InsetList::iterator iend = owner_->insetlist.end();
+ InsetList::const_iterator icit = owner_->insetlist.begin();
+ InsetList::const_iterator iend = owner_->insetlist.end();
for (; icit != iend; ++icit) {
- if (icit.getInset()) {
- icit.getInset()->validate(features);
+ if (icit->inset) {
+ icit->inset->validate(features);
if (layout.needprotect &&
- icit.getInset()->lyxCode() == Inset::FOOT_CODE)
+ icit->inset->lyxCode() == InsetBase::FOOT_CODE)
features.require("NeedLyXFootnoteCode");
}
}
}
}
}
-
-
-Paragraph * Paragraph::Pimpl::getParFromID(int id) const
-{
- InsetList::iterator cit = owner_->insetlist.begin();
- InsetList::iterator lend = owner_->insetlist.end();
- Paragraph * result;
- for (; cit != lend; ++cit) {
- if ((result = cit.getInset()->getParFromID(id)))
- return result;
- }
- return 0;
-}
-
-
-LyXFont const Paragraph::Pimpl::realizeFont(LyXFont const & font,
- BufferParams const & bparams) const
-{
- LyXFont tmpfont(font);
-
- // check for environment font information
- char par_depth = owner_->getDepth();
- Paragraph const * par = owner_;
- LyXTextClass const & tclass = bparams.getLyXTextClass();
-
- while (par && par->getDepth() && !tmpfont.resolved()) {
- par = par->outerHook();
- if (par) {
- tmpfont.realize(par->layout()->font);
- par_depth = par->getDepth();
- }
- }
-
- tmpfont.realize(tclass.defaultfont());
- return tmpfont;
-}