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lyx_mirror/src/paragraph.C
Jürgen Vigna 5a4fe1be41 Do BreakParagraph on an empty paragraph if it's flagged keepempty (fix #313). 
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3983 a592a061-630c-0410-9148-cb99ea01b6c8
2002-04-12 10:29:12 +00:00

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "paragraph.h"
#include "paragraph_pimpl.h"
#include "lyxrc.h"
#include "layout.h"
#include "language.h"
#include "tex-strings.h"
#include "buffer.h"
#include "bufferparams.h"
#include "debug.h"
#include "LaTeXFeatures.h"
#include "texrow.h"
#include "BufferView.h"
#include "encoding.h"
#include "ParameterStruct.h"
#include "gettext.h"
#include "lyxtextclasslist.h"
#include "insets/insetinclude.h"
#include "insets/insetbib.h"
#include "insets/insettext.h"
#include "support/filetools.h"
#include "support/lstrings.h"
#include "support/lyxmanip.h"
#include "support/FileInfo.h"
#include "support/LAssert.h"
#include "support/textutils.h"
#include <algorithm>
#include <fstream>
#include <csignal>
using std::ostream;
using std::endl;
using std::fstream;
using std::ios;
using std::lower_bound;
using std::upper_bound;
using std::reverse;
using lyx::pos_type;
int tex_code_break_column = 72; // needs non-zero initialization. set later.
// this is a bad idea, but how can Paragraph find its buffer to get
// parameters? (JMarc)
extern string bibitemWidest(Buffer const *);
// this is a minibuffer
namespace {
char minibuffer_char;
LyXFont minibuffer_font;
Inset * minibuffer_inset;
} // namespace anon
extern BufferView * current_view;
Paragraph::Paragraph()
: pimpl_(new Paragraph::Pimpl(this))
{
for (int i = 0; i < 10; ++i)
setCounter(i, 0);
next_ = 0;
previous_ = 0;
enumdepth = 0;
itemdepth = 0;
bibkey = 0; // ale970302
params().clear();
}
// This constructor inserts the new paragraph in a list.
Paragraph::Paragraph(Paragraph * par)
: pimpl_(new Paragraph::Pimpl(this))
{
for (int i = 0; i < 10; ++i)
setCounter(i, 0);
enumdepth = 0;
itemdepth = 0;
// double linked list begin
next_ = par->next_;
if (next_)
next_->previous_ = this;
previous_ = par;
previous_->next_ = this;
// end
bibkey = 0; // ale970302
params().clear();
}
Paragraph::Paragraph(Paragraph const & lp, bool same_ids)
: pimpl_(new Paragraph::Pimpl(*lp.pimpl_, this, same_ids))
{
for (int i = 0; i < 10; ++i)
setCounter(i, 0);
enumdepth = 0;
itemdepth = 0;
next_ = 0;
previous_ = 0;
// this is because of the dummy layout of the paragraphs that
// follow footnotes
layout_ = lp.layout();
// ale970302
if (lp.bibkey) {
bibkey = static_cast<InsetBibKey *>
(lp.bibkey->clone(*current_view->buffer()));
} else {
bibkey = 0;
}
// copy everything behind the break-position to the new paragraph
insetlist = lp.insetlist;
for (InsetList::iterator it = insetlist.begin();
it != insetlist.end(); ++it)
{
it->inset = it->inset->clone(*current_view->buffer(), same_ids);
// tell the new inset who is the boss now
it->inset->parOwner(this);
}
}
// the destructor removes the new paragraph from the list
Paragraph::~Paragraph()
{
if (previous_)
previous_->next_ = next_;
if (next_)
next_->previous_ = previous_;
for (InsetList::iterator it = insetlist.begin();
it != insetlist.end(); ++it) {
delete it->inset;
}
// ale970302
delete bibkey;
delete pimpl_;
//
//lyxerr << "Paragraph::paragraph_id = "
// << Paragraph::paragraph_id << endl;
}
void Paragraph::writeFile(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
string lay = layout();
if (lay.empty()) {
lay = textclasslist[bparams.textclass].defaultLayoutName();
}
os << "\n\\layout " << layout() << "\n";
// Maybe some vertical spaces.
if (params().spaceTop().kind() != VSpace::NONE)
os << "\\added_space_top "
<< params().spaceTop().asLyXCommand() << " ";
if (params().spaceBottom().kind() != VSpace::NONE)
os << "\\added_space_bottom "
<< params().spaceBottom().asLyXCommand() << " ";
// Maybe the paragraph has special spacing
params().spacing().writeFile(os, true);
// The labelwidth string used in lists.
if (!params().labelWidthString().empty())
os << "\\labelwidthstring "
<< params().labelWidthString() << '\n';
// Lines above or below?
if (params().lineTop())
os << "\\line_top ";
if (params().lineBottom())
os << "\\line_bottom ";
// Pagebreaks above or below?
if (params().pagebreakTop())
os << "\\pagebreak_top ";
if (params().pagebreakBottom())
os << "\\pagebreak_bottom ";
// Start of appendix?
if (params().startOfAppendix())
os << "\\start_of_appendix ";
// Noindent?
if (params().noindent())
os << "\\noindent ";
// Alignment?
if (params().align() != LYX_ALIGN_LAYOUT) {
int h = 0;
switch (params().align()) {
case LYX_ALIGN_LEFT: h = 1; break;
case LYX_ALIGN_RIGHT: h = 2; break;
case LYX_ALIGN_CENTER: h = 3; break;
default: h = 0; break;
}
os << "\\align " << string_align[h] << " ";
}
// bibitem ale970302
if (bibkey)
bibkey->write(buf, os);
LyXFont font1(LyXFont::ALL_INHERIT, bparams.language);
int column = 0;
for (pos_type i = 0; i < size(); ++i) {
if (!i) {
os << "\n";
column = 0;
}
// Write font changes
LyXFont font2 = getFontSettings(bparams, i);
if (font2 != font1) {
#ifndef INHERIT_LANGUAGE
font2.lyxWriteChanges(font1, os);
#else
font2.lyxWriteChanges(font1, bparams.language, os);
#endif
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 {
os << "\n\\begin_inset ";
inset->write(buf, os);
os << "\n\\end_inset \n\n";
column = 0;
}
}
break;
case META_NEWLINE:
os << "\n\\newline \n";
column = 0;
break;
case META_HFILL:
os << "\n\\hfill \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')
os << c;
else
lyxerr << "ERROR (Paragraph::writeFile):"
" NULL char in structure." << endl;
++column;
break;
}
}
// now write the next paragraph
if (next_)
next_->writeFile(buf, os, bparams, dth);
}
void Paragraph::validate(LaTeXFeatures & features) const
{
BufferParams const & bparams = features.bufferParams();
// check the params.
if (params().lineTop() || params().lineBottom())
features.require("lyxline");
if (!params().spacing().isDefault())
features.require("setspace");
// then the layouts
features.useLayout(layout());
// then the fonts
Language const * doc_language = bparams.language;
Pimpl::FontList::const_iterator fcit = pimpl_->fontlist.begin();
Pimpl::FontList::const_iterator fend = pimpl_->fontlist.end();
for (; fcit != fend; ++fcit) {
if (fcit->font().noun() == LyXFont::ON) {
lyxerr[Debug::LATEX] << "font.noun: "
<< fcit->font().noun()
<< endl;
features.require("noun");
lyxerr[Debug::LATEX] << "Noun enabled. Font: "
<< fcit->font().stateText(0)
<< endl;
}
switch (fcit->font().color()) {
case LColor::none:
case LColor::inherit:
case LColor::ignore:
// probably we should put here all interface colors used for
// font displaying! For now I just add this ones I know of (Jug)
case LColor::latex:
case LColor::note:
break;
default:
features.require("color");
lyxerr[Debug::LATEX] << "Color enabled. Font: "
<< fcit->font().stateText(0)
<< endl;
}
Language const * language = fcit->font().language();
if (language->babel() != doc_language->babel() &&
language != ignore_language &&
#ifdef INHERIT_LANGUAGE
language != inherit_language &&
#endif
language != latex_language)
{
features.useLanguage(language);
lyxerr[Debug::LATEX] << "Found language "
<< language->babel() << endl;
}
}
// then the insets
LyXLayout const & lout = textclasslist[bparams.textclass][layout()];
InsetList::const_iterator icit = insetlist.begin();
InsetList::const_iterator iend = insetlist.end();
for (; icit != iend; ++icit) {
if (icit->inset) {
icit->inset->validate(features);
if (lout.needprotect &&
icit->inset->lyxCode() == Inset::FOOT_CODE)
features.require("NeedLyXFootnoteCode");
}
}
}
// First few functions needed for cut and paste and paragraph breaking.
void Paragraph::copyIntoMinibuffer(Buffer const & buffer, pos_type pos) const
{
BufferParams bparams = buffer.params;
minibuffer_char = getChar(pos);
minibuffer_font = getFontSettings(bparams, pos);
minibuffer_inset = 0;
if (minibuffer_char == Paragraph::META_INSET) {
if (getInset(pos)) {
minibuffer_inset = getInset(pos)->clone(buffer);
} else {
minibuffer_inset = 0;
minibuffer_char = ' ';
// This reflects what GetInset() does (ARRae)
}
}
}
void Paragraph::cutIntoMinibuffer(BufferParams const & bparams, pos_type pos)
{
minibuffer_char = getChar(pos);
minibuffer_font = getFontSettings(bparams, pos);
minibuffer_inset = 0;
if (minibuffer_char == Paragraph::META_INSET) {
if (getInset(pos)) {
minibuffer_inset = getInset(pos);
// This is a little hack since I want exactly
// the inset, not just a clone. Otherwise
// the inset would be deleted when calling Erase(pos)
// find the entry
InsetList::iterator it = insetlist.begin();
InsetList::iterator end = insetlist.end();
for (; it != end; ++it) {
if (it->pos == pos)
break;
}
if (it != end && it->pos == pos)
it->inset = 0;
// the inset is not in a paragraph anymore
minibuffer_inset->parOwner(0);
} else {
minibuffer_inset = 0;
minibuffer_char = ' ';
// This reflects what GetInset() does (ARRae)
}
}
// Erase(pos); now the caller is responsible for that.
}
bool Paragraph::insertFromMinibuffer(pos_type pos)
{
if (minibuffer_char == Paragraph::META_INSET) {
if (!insetAllowed(minibuffer_inset->lyxCode())) {
return false;
}
insertInset(pos, minibuffer_inset, minibuffer_font);
} else {
LyXFont f = minibuffer_font;
if (!checkInsertChar(f)) {
return false;
}
insertChar(pos, minibuffer_char, f);
}
return true;
}
// end of minibuffer
void Paragraph::erase(pos_type pos)
{
pimpl_->erase(pos);
}
bool Paragraph::checkInsertChar(LyXFont & font)
{
if (pimpl_->inset_owner)
return pimpl_->inset_owner->checkInsertChar(font);
return true;
}
void Paragraph::insertChar(pos_type pos, Paragraph::value_type c)
{
LyXFont const f(LyXFont::ALL_INHERIT);
insertChar(pos, c, f);
}
void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
LyXFont const & font)
{
pimpl_->insertChar(pos, c, font);
}
void Paragraph::insertInset(pos_type pos, Inset * inset)
{
LyXFont const f(LyXFont::ALL_INHERIT);
insertInset(pos, inset, f);
}
void Paragraph::insertInset(pos_type pos, Inset * inset, LyXFont const & font)
{
pimpl_->insertInset(pos, inset, font);
}
bool Paragraph::insetAllowed(Inset::Code code)
{
//lyxerr << "Paragraph::InsertInsetAllowed" << endl;
if (pimpl_->inset_owner)
return pimpl_->inset_owner->insetAllowed(code);
return true;
}
Inset * Paragraph::getInset(pos_type pos)
{
lyx::Assert(pos < size());
// Find the inset.
InsetList::iterator it = insetlist.begin();
InsetList::iterator end = insetlist.end();
for (; it != end; ++it) {
if (it->pos == pos)
break;
}
if (it != end && it->pos == pos)
return it->inset;
lyxerr << "ERROR (Paragraph::getInset): "
<< "Inset does not exist: " << pos << endl;
//::raise(SIGSTOP);
// text[pos] = ' '; // WHY!!! does this set the pos to ' '????
// Did this commenting out introduce a bug? So far I have not
// see any, please enlighten me. (Lgb)
// My guess is that since the inset does not exist, we might
// as well replace it with a space to prevent craches. (Asger)
return 0;
}
Inset const * Paragraph::getInset(pos_type pos) const
{
lyx::Assert(pos < size());
// Find the inset.
InsetList::const_iterator cit = insetlist.begin();
InsetList::const_iterator end = insetlist.end();
for (; cit != end; ++cit) {
if (cit->pos == pos)
break;
}
if (cit != end && cit->pos == pos)
return cit->inset;
lyxerr << "ERROR (Paragraph::getInset): "
<< "Inset does not exist: " << pos << endl;
//::raise(SIGSTOP);
//text[pos] = ' '; // WHY!!! does this set the pos to ' '????
// Did this commenting out introduce a bug? So far I have not
// see any, please enlighten me. (Lgb)
// My guess is that since the inset does not exist, we might
// as well replace it with a space to prevent craches. (Asger)
return 0;
}
// Gets uninstantiated font setting at position.
LyXFont const Paragraph::getFontSettings(BufferParams const & bparams,
pos_type pos) const
{
lyx::Assert(pos <= size());
Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
for (; cit != end; ++cit) {
if (cit->pos() >= pos)
break;
}
LyXFont retfont;
if (cit != end) {
retfont = cit->font();
} else if (pos == size() && size()) {
retfont = getFontSettings(bparams, pos - 1);
} else
retfont = LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));
#ifdef INHERIT_LANGUAGE
if (retfont.language() == inherit_language)
retfont.setLanguage(bparams.language);
#endif
return retfont;
}
// Gets uninstantiated font setting at position 0
LyXFont const Paragraph::getFirstFontSettings() const
{
if (size() > 0 && !pimpl_->fontlist.empty())
return pimpl_->fontlist[0].font();
return LyXFont(LyXFont::ALL_INHERIT);
}
// Gets the fully instantiated font at a given position in a paragraph
// This is basically the same function as LyXText::GetFont() in text2.C.
// 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)
// If position is -1, we get the layout font of the paragraph.
// If position is -2, we get the font of the manual label of the paragraph.
LyXFont const Paragraph::getFont(BufferParams const & bparams,
pos_type pos) const
{
lyx::Assert(pos >= 0);
LyXLayout const & lout =
textclasslist[bparams.textclass][layout()];
pos_type main_body = 0;
if (lout.labeltype == LABEL_MANUAL)
main_body = beginningOfMainBody();
LyXFont layoutfont;
if (pos < main_body)
layoutfont = lout.labelfont;
else
layoutfont = lout.font;
LyXFont tmpfont = getFontSettings(bparams, pos);
#ifndef INHERIT_LANGUAGE
tmpfont.realize(layoutfont);
#else
tmpfont.realize(layoutfont, bparams.language);
#endif
return pimpl_->realizeFont(tmpfont, bparams);
}
LyXFont const Paragraph::getLabelFont(BufferParams const & bparams) const
{
LyXLayout const & lout =
textclasslist[bparams.textclass][layout()];
LyXFont tmpfont = lout.labelfont;
tmpfont.setLanguage(getParLanguage(bparams));
return pimpl_->realizeFont(tmpfont, bparams);
}
LyXFont const Paragraph::getLayoutFont(BufferParams const & bparams) const
{
LyXLayout const & lout =
textclasslist[bparams.textclass][layout()];
LyXFont tmpfont = lout.font;
tmpfont.setLanguage(getParLanguage(bparams));
return pimpl_->realizeFont(tmpfont, bparams);
}
/// Returns the height of the highest font in range
LyXFont::FONT_SIZE
Paragraph::highestFontInRange(pos_type startpos, pos_type endpos,
LyXFont::FONT_SIZE const def_size) const
{
if (pimpl_->fontlist.empty())
return def_size;
Pimpl::FontList::const_iterator end_it = pimpl_->fontlist.begin();
Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
for (; end_it != end; ++end_it) {
if (end_it->pos() >= endpos)
break;
}
if (end_it != end)
++end_it;
Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
for (; cit != end; ++cit) {
if (cit->pos() >= startpos)
break;
}
LyXFont::FONT_SIZE maxsize = LyXFont::SIZE_TINY;
for (; cit != end_it; ++cit) {
LyXFont::FONT_SIZE size = cit->font().size();
if (size == LyXFont::INHERIT_SIZE)
size = def_size;
if (size > maxsize && size <= LyXFont::SIZE_HUGER)
maxsize = size;
}
return maxsize;
}
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, LyXFont const & font)
{
lyx::Assert(pos <= size());
// First, reduce font against layout/label font
// Update: The SetCharFont() routine in text2.C already
// reduces font, so we don't need to do that here. (Asger)
// No need to simplify this because it will disappear
// in a new kernel. (Asger)
// Next search font table
Pimpl::FontList::iterator beg = pimpl_->fontlist.begin();
Pimpl::FontList::iterator it = beg;
Pimpl::FontList::iterator endit = pimpl_->fontlist.end();
for (; it != endit; ++it) {
if (it->pos() >= pos)
break;
}
unsigned int i = std::distance(beg, it);
bool notfound = (it == endit);
if (!notfound && pimpl_->fontlist[i].font() == font)
return;
bool begin = pos == 0 || notfound ||
(i > 0 && pimpl_->fontlist[i - 1].pos() == pos - 1);
// Is position pos is a beginning of a font block?
bool end = !notfound && pimpl_->fontlist[i].pos() == pos;
// Is position pos is the end of a font block?
if (begin && end) { // A single char block
if (i + 1 < pimpl_->fontlist.size() &&
pimpl_->fontlist[i + 1].font() == font) {
// Merge the singleton block with the next block
pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i-1);
} else if (i > 0 && pimpl_->fontlist[i - 1].font() == font) {
// Merge the singleton block with the previous block
pimpl_->fontlist[i - 1].pos(pos);
pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
} else
pimpl_->fontlist[i].font(font);
} else if (begin) {
if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
pimpl_->fontlist[i - 1].pos(pos);
else
pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
Pimpl::FontTable(pos, font));
} else if (end) {
pimpl_->fontlist[i].pos(pos - 1);
if (!(i + 1 < pimpl_->fontlist.size() &&
pimpl_->fontlist[i + 1].font() == font))
pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
Pimpl::FontTable(pos, font));
} else { // The general case. The block is splitted into 3 blocks
pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
Pimpl::FontTable(pos - 1, pimpl_->fontlist[i].font()));
pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
Pimpl::FontTable(pos, font));
}
}
void Paragraph::next(Paragraph * p)
{
next_ = p;
}
// This function is able to hide closed footnotes.
Paragraph * Paragraph::next()
{
return next_;
}
Paragraph const * Paragraph::next() const
{
return next_;
}
void Paragraph::previous(Paragraph * p)
{
previous_ = p;
}
// This function is able to hide closed footnotes.
Paragraph * Paragraph::previous()
{
return previous_;
}
// This function is able to hide closed footnotes.
Paragraph const * Paragraph::previous() const
{
return previous_;
}
void Paragraph::breakParagraph(BufferParams const & bparams,
pos_type pos,
int flag)
{
// create a new paragraph
Paragraph * tmp = new Paragraph(this);
tmp->layout(textclasslist[bparams.textclass].defaultLayoutName());
// remember to set the inset_owner
tmp->setInsetOwner(inInset());
// this is an idea for a more userfriendly layout handling, I will
// see what the users say
// layout stays the same with latex-environments
if (flag) {
tmp->layout(layout());
tmp->setLabelWidthString(params().labelWidthString());
}
bool isempty = textclasslist[bparams.textclass][layout()].keepempty;
if (!isempty && (size() > pos || !size() || flag == 2)) {
tmp->layout(layout());
tmp->params().align(params().align());
tmp->setLabelWidthString(params().labelWidthString());
tmp->params().lineBottom(params().lineBottom());
params().lineBottom(false);
tmp->params().pagebreakBottom(params().pagebreakBottom());
params().pagebreakBottom(false);
tmp->params().spaceBottom(params().spaceBottom());
params().spaceBottom(VSpace(VSpace::NONE));
tmp->params().depth(params().depth());
tmp->params().noindent(params().noindent());
// copy everything behind the break-position
// to the new paragraph
pos_type pos_end = size() - 1;
pos_type i = pos;
pos_type j = pos;
for (; i <= pos_end; ++i) {
cutIntoMinibuffer(bparams, i);
if (tmp->insertFromMinibuffer(j - pos))
++j;
}
for (i = pos_end; i >= pos; --i) {
erase(i);
}
}
// just an idea of me
if (!isempty && !pos) {
tmp->params().lineTop(params().lineTop());
tmp->params().pagebreakTop(params().pagebreakTop());
tmp->params().spaceTop(params().spaceTop());
tmp->bibkey = bibkey;
bibkey = 0;
params().clear();
layout(textclasslist[bparams.textclass].defaultLayoutName());
// layout stays the same with latex-environments
if (flag) {
layout(tmp->layout());
setLabelWidthString(tmp->params().labelWidthString());
params().depth(tmp->params().depth());
}
}
}
void Paragraph::makeSameLayout(Paragraph const * par)
{
layout(par->layout());
// move to pimpl?
params() = par->params();
}
int Paragraph::stripLeadingSpaces(lyx::textclass_type tclass)
{
if (textclasslist[tclass][layout()].free_spacing ||
isFreeSpacing()) {
return 0;
}
int i = 0;
while (size() && (isNewline(0) || isLineSeparator(0))) {
erase(0);
++i;
}
return i;
}
bool Paragraph::hasSameLayout(Paragraph const * par) const
{
return
par->layout() == layout() &&
params().sameLayout(par->params());
}
void Paragraph::breakParagraphConservative(BufferParams const & bparams,
pos_type pos)
{
// create a new paragraph
Paragraph * tmp = new Paragraph(this);
tmp->makeSameLayout(this);
// When can pos > Last()?
// I guess pos == Last() is possible.
if (size() > pos) {
// copy everything behind the break-position to the new
// paragraph
pos_type pos_end = size() - 1;
//pos_type i = pos;
//pos_type j = pos;
for (pos_type i = pos, j = pos; i <= pos_end; ++i) {
cutIntoMinibuffer(bparams, i);
if (tmp->insertFromMinibuffer(j - pos))
++j;
}
for (pos_type k = pos_end; k >= pos; --k) {
erase(k);
}
}
}
// Be carefull, this does not make any check at all.
// This method has wrong name, it combined this par with the next par.
// In that sense it is the reverse of break paragraph. (Lgb)
void Paragraph::pasteParagraph(BufferParams const & bparams)
{
// copy the next paragraph to this one
Paragraph * the_next = next();
// first the DTP-stuff
params().lineBottom(the_next->params().lineBottom());
params().spaceBottom(the_next->params().spaceBottom());
params().pagebreakBottom(the_next->params().pagebreakBottom());
pos_type pos_end = the_next->pimpl_->size() - 1;
pos_type pos_insert = size();
// ok, now copy the paragraph
for (pos_type i = 0, j = 0; i <= pos_end; ++i) {
the_next->cutIntoMinibuffer(bparams, i);
if (insertFromMinibuffer(pos_insert + j))
++j;
}
// delete the next paragraph
Paragraph * ppar = the_next->previous_;
Paragraph * npar = the_next->next_;
delete the_next;
ppar->next(npar);
}
int Paragraph::getEndLabel(BufferParams const & bparams) const
{
Paragraph const * par = this;
depth_type par_depth = getDepth();
while (par) {
string const & layout = par->layout();
int const endlabeltype =
textclasslist[bparams.textclass][layout].endlabeltype;
if (endlabeltype != END_LABEL_NO_LABEL) {
if (!next_)
return endlabeltype;
depth_type const next_depth = next_->getDepth();
if (par_depth > next_depth ||
(par_depth == next_depth
&& layout != next_->layout()))
return endlabeltype;
break;
}
if (par_depth == 0)
break;
par = par->outerHook();
if (par)
par_depth = par->getDepth();
}
return END_LABEL_NO_LABEL;
}
Paragraph::depth_type Paragraph::getDepth() const
{
return params().depth();
}
Paragraph::depth_type Paragraph::getMaxDepthAfter(Buffer const * buffer) const
{
bool const isenv = textclasslist[buffer->params.textclass][layout()].isEnvironment();
if (isenv)
return params().depth() + 1;
else
return params().depth();
}
char Paragraph::getAlign() const
{
return params().align();
}
string const & Paragraph::getLabelstring() const
{
return params().labelString();
}
int Paragraph::getFirstCounter(int i) const
{
return pimpl_->counter_[i];
}
// the next two functions are for the manual labels
string const Paragraph::getLabelWidthString() const
{
if (!params().labelWidthString().empty())
return params().labelWidthString();
else
return _("Senseless with this layout!");
}
void Paragraph::setLabelWidthString(string const & s)
{
params().labelWidthString(s);
}
void Paragraph::applyLayout(string const & new_layout)
{
layout(new_layout);
params().labelWidthString(string());
params().align(LYX_ALIGN_LAYOUT);
params().spaceTop(VSpace(VSpace::NONE));
params().spaceBottom(VSpace(VSpace::NONE));
params().spacing(Spacing(Spacing::Default));
}
// if the layout of a paragraph contains a manual label, the beginning of the
// main body is the beginning of the second word. This is what the par-
// function returns. If the layout does not contain a label, the main
// body always starts with position 0. This differentiation is necessary,
// because there cannot be a newline or a blank <= the beginning of the
// main body in TeX.
int Paragraph::beginningOfMainBody() const
{
// Unroll the first two cycles of the loop
// and remember the previous character to
// remove unnecessary GetChar() calls
pos_type i = 0;
if (i < size()
&& getChar(i) != Paragraph::META_NEWLINE) {
++i;
char previous_char = 0;
char temp = 0;
if (i < size()
&& (previous_char = getChar(i)) != Paragraph::META_NEWLINE) {
// Yes, this ^ is supposed to be "= " not "=="
++i;
while (i < size()
&& previous_char != ' '
&& (temp = getChar(i)) != Paragraph::META_NEWLINE) {
++i;
previous_char = temp;
}
}
}
return i;
}
Paragraph * Paragraph::depthHook(depth_type depth)
{
Paragraph * newpar = this;
do {
newpar = newpar->previous();
} while (newpar && newpar->getDepth() > depth);
if (!newpar) {
if (previous() || getDepth())
lyxerr << "ERROR (Paragraph::DepthHook): "
"no hook." << endl;
newpar = this;
}
return newpar;
}
Paragraph const * Paragraph::depthHook(depth_type depth) const
{
Paragraph const * newpar = this;
do {
newpar = newpar->previous();
} while (newpar && newpar->getDepth() > depth);
if (!newpar) {
if (previous() || getDepth())
lyxerr << "ERROR (Paragraph::DepthHook): "
"no hook." << endl;
newpar = this;
}
return newpar;
}
Paragraph * Paragraph::outerHook()
{
if (!getDepth())
return 0;
return depthHook(depth_type(getDepth() - 1));
}
Paragraph const * Paragraph::outerHook() const
{
if (!getDepth())
return 0;
return depthHook(depth_type(getDepth() - 1));
}
Paragraph::inset_iterator
Paragraph::InsetIterator(pos_type pos)
{
InsetList::iterator it = insetlist.begin();
InsetList::iterator end = insetlist.end();
for (; it != end; ++it) {
if (it->pos == pos)
break;
}
return inset_iterator(it);
}
// returns -1 if inset not found
int Paragraph::getPositionOfInset(Inset const * inset) const
{
// Find the entry.
InsetList::const_iterator cit = insetlist.begin();
InsetList::const_iterator end = insetlist.end();
for (; cit != end; ++cit) {
if (cit->inset == inset) {
return cit->pos;
}
}
if (inset == bibkey)
return 0;
return -1;
}
Paragraph * Paragraph::TeXOnePar(Buffer const * buf,
BufferParams const & bparams,
ostream & os, TexRow & texrow,
bool moving_arg)
{
lyxerr[Debug::LATEX] << "TeXOnePar... " << this << endl;
Inset const * in = inInset();
bool further_blank_line = false;
LyXLayout style;
// well we have to check if we are in an inset with unlimited
// lenght (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 then "Standard" to be valid!
if ((in == 0) || !in->forceDefaultParagraphs(in)) {
style = textclasslist[bparams.textclass][layout()];
if (params().startOfAppendix()) {
os << "\\appendix\n";
texrow.newline();
}
if (!params().spacing().isDefault()
&& (!previous() || !previous()->hasSameLayout(this))) {
os << params().spacing().writeEnvirBegin() << "\n";
texrow.newline();
}
if (tex_code_break_column && style.isCommand()) {
os << '\n';
texrow.newline();
}
if (params().pagebreakTop()) {
os << "\\newpage";
further_blank_line = true;
}
if (params().spaceTop().kind() != VSpace::NONE) {
os << params().spaceTop().asLatexCommand(bparams);
further_blank_line = true;
}
if (params().lineTop()) {
os << "\\lyxline{\\" << getFont(bparams, 0).latexSize() << '}'
<< "\\vspace{-1\\parskip}";
further_blank_line = true;
}
if (further_blank_line) {
os << '\n';
texrow.newline();
}
} else {
style = textclasslist[bparams.textclass].defaultLayout();
}
Language const * language = getParLanguage(bparams);
Language const * doc_language = bparams.language;
Language const * previous_language = previous()
? previous()->getParLanguage(bparams) : doc_language;
if (language->babel() != previous_language->babel()
// check if we already put language command in TeXEnvironment()
&& !(style.isEnvironment()
&& (!previous() || previous()->layout() != layout() ||
previous()->params().depth() != params().depth())))
{
if (!lyxrc.language_command_end.empty() &&
previous_language->babel() != doc_language->babel())
{
os << subst(lyxrc.language_command_end, "$$lang",
previous_language->babel())
<< endl;
texrow.newline();
}
if (lyxrc.language_command_end.empty() ||
language->babel() != doc_language->babel())
{
os << subst(lyxrc.language_command_begin, "$$lang",
language->babel())
<< endl;
texrow.newline();
}
}
if (bparams.inputenc == "auto" &&
language->encoding() != previous_language->encoding()) {
os << "\\inputencoding{"
<< language->encoding()->LatexName()
<< "}" << endl;
texrow.newline();
}
switch (style.latextype) {
case LATEX_COMMAND:
os << '\\'
<< style.latexname()
<< style.latexparam();
break;
case LATEX_ITEM_ENVIRONMENT:
if (bibkey) {
bibkey->latex(buf, os, false, false);
} else
os << "\\item ";
break;
case LATEX_LIST_ENVIRONMENT:
os << "\\item ";
break;
default:
break;
}
bool need_par = simpleTeXOnePar(buf, bparams, os, texrow, moving_arg);
// Make sure that \\par is done with the font of the last
// character if this has another size as the default.
// This is necessary because LaTeX (and LyX on the screen)
// calculates the space between the baselines according
// to this font. (Matthias)
//
// Is this really needed ? (Dekel)
// We do not need to use to change the font for the last paragraph
// or for a command.
LyXFont const font =
(size() == 0
? getLayoutFont(bparams) : getFont(bparams, size() - 1));
bool is_command = style.isCommand();
if (style.resfont.size() != font.size() && next_ && !is_command) {
if (!need_par)
os << "{";
os << "\\" << font.latexSize() << " \\par}";
} else if (need_par) {
os << "\\par}";
} else if (is_command)
os << "}";
switch (style.latextype) {
case LATEX_ITEM_ENVIRONMENT:
case LATEX_LIST_ENVIRONMENT:
if (next_ && (params().depth() < next_->params().depth())) {
os << '\n';
texrow.newline();
}
break;
case LATEX_ENVIRONMENT:
// if its the last paragraph of the current environment
// skip it otherwise fall through
if (next_
&& (next_->layout() != layout()
|| next_->params().depth() != params().depth()))
break;
// fall through possible
default:
// we don't need it for the last paragraph!!!
if (next_) {
os << '\n';
texrow.newline();
}
}
if ((in == 0) || !in->forceDefaultParagraphs(in)) {
further_blank_line = false;
if (params().lineBottom()) {
os << "\\lyxline{\\" << font.latexSize() << '}';
further_blank_line = true;
}
if (params().spaceBottom().kind() != VSpace::NONE) {
os << params().spaceBottom().asLatexCommand(bparams);
further_blank_line = true;
}
if (params().pagebreakBottom()) {
os << "\\newpage";
further_blank_line = true;
}
if (further_blank_line) {
os << '\n';
texrow.newline();
}
if (!params().spacing().isDefault()
&& (!next_ || !next_->hasSameLayout(this))) {
os << params().spacing().writeEnvirEnd() << "\n";
texrow.newline();
}
}
// we don't need it for the last paragraph!!!
if (next_) {
os << '\n';
texrow.newline();
} else {
// Since \selectlanguage write the language to the aux file,
// we need to reset the language at the end of footnote or
// float.
if (language->babel() != doc_language->babel()) {
if (lyxrc.language_command_end.empty())
os << subst(lyxrc.language_command_begin,
"$$lang",
doc_language->babel())
<< endl;
else
os << subst(lyxrc.language_command_end,
"$$lang",
language->babel())
<< endl;
texrow.newline();
}
}
lyxerr[Debug::LATEX] << "TeXOnePar...done " << next_ << endl;
return next_;
}
// This could go to ParagraphParameters if we want to
int Paragraph::startTeXParParams(BufferParams const & bparams,
ostream & os) const
{
int column = 0;
if (params().noindent()) {
os << "\\noindent ";
column += 10;
}
switch (params().align()) {
case LYX_ALIGN_NONE:
case LYX_ALIGN_BLOCK:
case LYX_ALIGN_LAYOUT:
case LYX_ALIGN_SPECIAL:
break;
case LYX_ALIGN_LEFT:
if (getParLanguage(bparams)->babel() != "hebrew") {
os << "\\begin{flushleft}";
column += 17;
} else {
os << "\\begin{flushright}";
column += 18;
}
break;
case LYX_ALIGN_RIGHT:
if (getParLanguage(bparams)->babel() != "hebrew") {
os << "\\begin{flushright}";
column += 18;
} else {
os << "\\begin{flushleft}";
column += 17;
}
break;
case LYX_ALIGN_CENTER:
os << "\\begin{center}";
column += 14;
break;
}
return column;
}
// This could go to ParagraphParameters if we want to
int Paragraph::endTeXParParams(BufferParams const & bparams,
ostream & os) 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:
if (getParLanguage(bparams)->babel() != "hebrew") {
os << "\\end{flushleft}";
column = 15;
} else {
os << "\\end{flushright}";
column = 16;
}
break;
case LYX_ALIGN_RIGHT:
if (getParLanguage(bparams)->babel() != "hebrew") {
os << "\\end{flushright}";
column+= 16;
} else {
os << "\\end{flushleft}";
column = 15;
}
break;
case LYX_ALIGN_CENTER:
os << "\\end{center}";
column = 12;
break;
}
return column;
}
// This one spits out the text of the paragraph
bool Paragraph::simpleTeXOnePar(Buffer const * buf,
BufferParams const & bparams,
ostream & os, TexRow & texrow,
bool moving_arg)
{
lyxerr[Debug::LATEX] << "SimpleTeXOnePar... " << this << endl;
bool return_value = false;
LyXLayout style;
// well we have to check if we are in an inset with unlimited
// lenght (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 then "Standard" to be valid!
bool asdefault =
(inInset() && inInset()->forceDefaultParagraphs(inInset()));
if (asdefault) {
style = textclasslist[bparams.textclass].defaultLayout();
} else {
style = textclasslist[bparams.textclass][layout()];
}
LyXFont basefont;
// Maybe we have to create a optional argument.
pos_type main_body;
if (style.labeltype != LABEL_MANUAL)
main_body = 0;
else
main_body = beginningOfMainBody();
int column = 0;
if (main_body > 0) {
os << '[';
++column;
basefont = getLabelFont(bparams);
} else {
basefont = getLayoutFont(bparams);
}
moving_arg |= style.needprotect;
// Which font is currently active?
LyXFont running_font(basefont);
// Do we have an open font change?
bool open_font = false;
texrow.start(this, 0);
// if the paragraph is empty, the loop will not be entered at all
if (!size()) {
if (style.isCommand()) {
os << '{';
++column;
}
if (!asdefault)
column += startTeXParParams(bparams, os);
}
for (pos_type i = 0; i < size(); ++i) {
++column;
// First char in paragraph or after label?
if (i == main_body) {
if (main_body > 0) {
if (open_font) {
column += running_font.latexWriteEndChanges(os, basefont, basefont);
open_font = false;
}
basefont = getLayoutFont(bparams);
running_font = basefont;
os << ']';
++column;
}
if (style.isCommand()) {
os << '{';
++column;
}
if (!asdefault)
column += startTeXParParams(bparams, os);
}
value_type c = getChar(i);
// Fully instantiated font
LyXFont font = getFont(bparams, i);
LyXFont const last_font = running_font;
// Spaces at end of font change are simulated to be
// outside font change, i.e. we write "\textXX{text} "
// rather than "\textXX{text }". (Asger)
if (open_font && c == ' ' && i <= size() - 2) {
LyXFont const & next_font = getFont(bparams, i + 1);
if (next_font != running_font
&& next_font != font) {
font = next_font;
}
}
// We end font definition before blanks
if (open_font &&
(font != running_font ||
font.language() != running_font.language()))
{
column += running_font.latexWriteEndChanges(os,
basefont,
(i == main_body-1) ? basefont : font);
running_font = basefont;
open_font = false;
}
// Blanks are printed before start of fontswitch
if (c == ' ') {
// Do not print the separation of the optional argument
if (i != main_body - 1) {
pimpl_->simpleTeXBlanks(os, texrow, i,
column, font, style);
}
}
// Do we need to change font?
if ((font != running_font ||
font.language() != running_font.language()) &&
i != main_body - 1)
{
column += font.latexWriteStartChanges(os, basefont,
last_font);
running_font = font;
open_font = true;
}
if (c == Paragraph::META_NEWLINE) {
// 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 = getLayoutFont(bparams);
running_font = basefont;
if (font.family() ==
LyXFont::TYPEWRITER_FAMILY) {
os << "~";
}
if (moving_arg)
os << "\\protect ";
os << "\\\\\n";
}
texrow.newline();
texrow.start(this, i + 1);
column = 0;
} else {
pimpl_->simpleTeXSpecialChars(buf, bparams,
os, texrow, moving_arg,
font, running_font,
basefont, open_font,
style, i, column, c);
}
}
// 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, basefont,
next_->getFont(bparams,
0));
} else {
running_font.latexWriteEndChanges(os, basefont,
basefont);
}
#else
#ifdef WITH_WARNINGS
//#warning For now we ALWAYS have to close the foreign font settings if they are
//#warning there as we start another \selectlanguage with the next paragraph if
//#warning we are in need of this. This should be fixed sometime (Jug)
#endif
running_font.latexWriteEndChanges(os, basefont, basefont);
#endif
}
// Needed if there is an optional argument but no contents.
if (main_body > 0 && main_body == size()) {
os << "]~";
return_value = false;
}
if (!asdefault) {
column += endTeXParParams(bparams, os);
}
lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
return return_value;
}
bool Paragraph::sgmlConvertChar(char c, string & sgml_string)
{
bool retval = false;
switch (c) {
case Paragraph::META_HFILL:
sgml_string.erase();
break;
case Paragraph::META_NEWLINE:
sgml_string = '\n';
break;
case '&':
sgml_string = "&amp;";
break;
case '<':
sgml_string = "&lt;";
break;
case '>':
sgml_string = "&gt;";
break;
case '$':
sgml_string = "&dollar;";
break;
case '#':
sgml_string = "&num;";
break;
case '%':
sgml_string = "&percnt;";
break;
case '[':
sgml_string = "&lsqb;";
break;
case ']':
sgml_string = "&rsqb;";
break;
case '{':
sgml_string = "&lcub;";
break;
case '}':
sgml_string = "&rcub;";
break;
case '~':
sgml_string = "&tilde;";
break;
case '"':
sgml_string = "&quot;";
break;
case '\\':
sgml_string = "&bsol;";
break;
case ' ':
retval = true;
sgml_string = ' ';
break;
case '\0': // Ignore :-)
sgml_string.erase();
break;
default:
sgml_string = c;
break;
}
return retval;
}
Paragraph * Paragraph::TeXEnvironment(Buffer const * buf,
BufferParams const & bparams,
ostream & os, TexRow & texrow)
{
lyxerr[Debug::LATEX] << "TeXEnvironment... " << this << endl;
LyXLayout const & style =
textclasslist[bparams.textclass][layout()];
Language const * language = getParLanguage(bparams);
Language const * doc_language = bparams.language;
Language const * previous_language = previous_
? previous_->getParLanguage(bparams) : doc_language;
if (language->babel() != previous_language->babel()) {
if (!lyxrc.language_command_end.empty() &&
previous_language->babel() != doc_language->babel()) {
os << subst(lyxrc.language_command_end, "$$lang",
previous_language->babel())
<< endl;
texrow.newline();
}
if (lyxrc.language_command_end.empty() ||
language->babel() != doc_language->babel()) {
os << subst(lyxrc.language_command_begin, "$$lang",
language->babel())
<< endl;
texrow.newline();
}
}
if (style.isEnvironment()) {
if (style.latextype == LATEX_LIST_ENVIRONMENT) {
os << "\\begin{" << style.latexname() << "}{"
<< params().labelWidthString() << "}\n";
} else if (style.labeltype == LABEL_BIBLIO) {
// ale970405
os << "\\begin{" << style.latexname() << "}{"
<< bibitemWidest(buf)
<< "}\n";
} else if (style.latextype == LATEX_ITEM_ENVIRONMENT) {
os << "\\begin{" << style.latexname() << '}'
<< style.latexparam() << '\n';
} else
os << "\\begin{" << style.latexname() << '}'
<< style.latexparam() << '\n';
texrow.newline();
}
Paragraph * par = this;
do {
par = par->TeXOnePar(buf, bparams, os, texrow, false);
if (par && par->params().depth() > params().depth()) {
if (textclasslist[bparams.textclass][par->layout()].isParagraph()
// Thinko!
// How to handle this? (Lgb)
//&& !suffixIs(os, "\n\n")
) {
// There should be at least one '\n' already
// but we need there to be two for Standard
// paragraphs that are depth-increment'ed to be
// output correctly. However, tables can
// also be paragraphs so don't adjust them.
// ARRae
// Thinkee:
// Will it ever harm to have one '\n' too
// many? i.e. that we sometimes will have
// three in a row. (Lgb)
os << '\n';
texrow.newline();
}
par = par->pimpl_->TeXDeeper(buf, bparams, os, texrow);
}
} while (par
&& par->layout() == layout()
&& par->params().depth() == params().depth());
if (style.isEnvironment()) {
os << "\\end{" << style.latexname() << "}\n";
texrow.newline();
}
lyxerr[Debug::LATEX] << "TeXEnvironment...done " << par << endl;
return par; // ale970302
}
bool Paragraph::isHfill(pos_type pos) const
{
return IsHfillChar(getChar(pos));
}
bool Paragraph::isInset(pos_type pos) const
{
return IsInsetChar(getChar(pos));
}
bool Paragraph::isNewline(pos_type pos) const
{
return pos >= 0 && IsNewlineChar(getChar(pos));
}
bool Paragraph::isSeparator(pos_type pos) const
{
return IsSeparatorChar(getChar(pos));
}
bool Paragraph::isLineSeparator(pos_type pos) const
{
value_type const c = getChar(pos);
return IsLineSeparatorChar(c)
|| (IsInsetChar(c) && getInset(pos) &&
getInset(pos)->isLineSeparator());
}
bool Paragraph::isKomma(pos_type pos) const
{
return IsKommaChar(getChar(pos));
}
/// Used by the spellchecker
bool Paragraph::isLetter(pos_type pos) const
{
value_type const c = getChar(pos);
if (IsLetterChar(c))
return true;
if (isInset(pos))
return getInset(pos)->isLetter();
// We want to pass the ' and escape chars to ispell
string const extra = lyxrc.isp_esc_chars + '\'';
return contains(extra, c);
}
bool Paragraph::isWord(pos_type pos) const
{
return IsWordChar(getChar(pos)) ;
}
Language const *
Paragraph::getParLanguage(BufferParams const & bparams) const
{
if (size() > 0) {
#ifndef INHERIT_LANGUAGE
return getFirstFontSettings().language();
#else
Language const * lang = getFirstFontSettings().language();
#ifdef WITH_WARNINGS
#warning We should make this somewhat better, any ideas? (Jug)
#endif
if (lang == inherit_language || lang == ignore_language)
lang = bparams.language;
return lang;
#endif
} else if (previous_)
return previous_->getParLanguage(bparams);
else
return bparams.language;
}
bool Paragraph::isRightToLeftPar(BufferParams const & bparams) const
{
return lyxrc.rtl_support
&& getParLanguage(bparams)->RightToLeft();
}
void Paragraph::changeLanguage(BufferParams const & bparams,
Language const * from, Language const * to)
{
for (pos_type i = 0; i < size(); ++i) {
LyXFont font = getFontSettings(bparams, i);
if (font.language() == from) {
font.setLanguage(to);
setFont(i, font);
}
}
}
bool Paragraph::isMultiLingual(BufferParams const & bparams)
{
Language const * doc_language = bparams.language;
Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
for (; cit != end; ++cit)
if (cit->font().language() != ignore_language &&
cit->font().language() != latex_language &&
#ifdef INHERIT_LANGUAGE
cit->font().language() != inherit_language &&
#endif
cit->font().language() != doc_language)
return true;
return false;
}
// Convert the paragraph to a string.
// Used for building the table of contents
string const Paragraph::asString(Buffer const * buffer, bool label)
{
BufferParams const & bparams = buffer->params;
string s;
if (label && !params().labelString().empty())
s += params().labelString() + ' ';
string::size_type const len = s.size();
for (pos_type i = 0; i < size(); ++i) {
value_type c = getChar(i);
if (IsPrintable(c))
s += c;
else if (c == META_INSET &&
getInset(i)->lyxCode() == Inset::MATH_CODE) {
ostringstream ost;
getInset(i)->ascii(buffer, ost);
s += subst(ost.str().c_str(),'\n',' ');
}
}
if (isRightToLeftPar(bparams))
reverse(s.begin() + len,s.end());
return s;
}
string const Paragraph::asString(Buffer const * buffer,
pos_type beg, pos_type end, bool label)
{
ostringstream ost;
if (beg == 0 && label && !params().labelString().empty())
ost << params().labelString() << ' ';
for (pos_type i = beg; i < end; ++i) {
value_type const c = getUChar(buffer->params, i);
if (IsPrintable(c))
ost << c;
else if (c == META_NEWLINE)
ost << '\n';
else if (c == META_HFILL)
ost << '\t';
else if (c == META_INSET) {
getInset(i)->ascii(buffer, ost);
}
}
return ost.str().c_str();
}
void Paragraph::setInsetOwner(Inset * i)
{
pimpl_->inset_owner = i;
InsetList::const_iterator cit = insetlist.begin();
InsetList::const_iterator end = insetlist.end();
for (; cit != end; ++cit) {
if (cit->inset)
cit->inset->setOwner(i);
}
}
void Paragraph::deleteInsetsLyXText(BufferView * bv)
{
// then the insets
InsetList::const_iterator cit = insetlist.begin();
InsetList::const_iterator end = insetlist.end();
for (; cit != end; ++cit) {
if (cit->inset && cit->inset->isTextInset()) {
static_cast<UpdatableInset *>
(cit->inset)->deleteLyXText(bv, true);
}
}
}
void Paragraph::resizeInsetsLyXText(BufferView * bv)
{
// then the insets
InsetList::const_iterator cit = insetlist.begin();
InsetList::const_iterator end = insetlist.end();
for (; cit != end; ++cit) {
if (cit->inset) {
if (cit->inset->isTextInset()) {
static_cast<UpdatableInset *>
(cit->inset)->resizeLyXText(bv, true);
}
}
}
}
void Paragraph::setContentsFromPar(Paragraph * par)
{
pimpl_->setContentsFromPar(par);
}
lyx::pos_type Paragraph::size() const
{
return pimpl_->size();
}
Paragraph::value_type Paragraph::getChar(pos_type pos) const
{
return pimpl_->getChar(pos);
}
int Paragraph::id() const
{
return pimpl_->id_;
}
void Paragraph::id(int id_arg)
{
pimpl_->id_ = id_arg;
}
string const & Paragraph::layout() const
{
return layout_;
}
void Paragraph::layout(string const & new_layout)
{
lyx::Assert(!new_layout.empty());
layout_ = new_layout;
}
bool Paragraph::isFirstInSequence() const
{
Paragraph const * dhook = depthHook(getDepth());
return (dhook == this
|| dhook->layout() != layout()
|| dhook->getDepth() != getDepth());
}
Inset * Paragraph::inInset() const
{
return pimpl_->inset_owner;
}
void Paragraph::clearContents()
{
pimpl_->clear();
}
void Paragraph::setCounter(int i, int v)
{
pimpl_->counter_[i] = v;
}
int Paragraph::getCounter(int i) const
{
return pimpl_->counter_[i];
}
void Paragraph::incCounter(int i)
{
pimpl_->counter_[i]++;
}
void Paragraph::setChar(pos_type pos, value_type c)
{
pimpl_->setChar(pos, c);
}
Paragraph::inset_iterator::inset_iterator(Paragraph::InsetList::iterator const & iter)
: it(iter)
{}
Paragraph::inset_iterator Paragraph::inset_iterator_begin()
{
return inset_iterator(insetlist.begin());
}
Paragraph::inset_iterator Paragraph::inset_iterator_end()
{
return inset_iterator(insetlist.end());
}
ParagraphParameters & Paragraph::params()
{
return pimpl_->params;
}
ParagraphParameters const & Paragraph::params() const
{
return pimpl_->params;
}
Paragraph * Paragraph::getParFromID(int id) const
{
return pimpl_->getParFromID(id);
}
bool Paragraph::isFreeSpacing() const
{
// for now we just need this, later should we need this in some
// other way we can always add a function to Inset::() too.
if (pimpl_->inset_owner && pimpl_->inset_owner->owner())
return (pimpl_->inset_owner->owner()->lyxCode() == Inset::ERT_CODE);
return false;
}
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