lyx_mirror/src/paragraph.C
Lars Gullik Bjønnes 76ca534828 some reindentation, revert workarea xpos++, constify, remove all traces of LyXParagraph::Clone
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1989 a592a061-630c-0410-9148-cb99ea01b6c8
2001-05-08 13:28:44 +00:00

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2000 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation "lyxparagraph.h"
#endif
#include <algorithm>
#include <fstream>
#include <csignal>
#include "lyxparagraph.h"
#include "support/textutils.h"
#include "lyxrc.h"
#include "layout.h"
#include "language.h"
#include "tex-strings.h"
#include "buffer.h"
#include "bufferparams.h"
#include "support/FileInfo.h"
#include "support/LAssert.h"
#include "debug.h"
#include "LaTeXFeatures.h"
#include "insets/insetinclude.h"
#include "insets/insetbib.h"
#include "insets/insettext.h"
#include "support/filetools.h"
#include "lyx_gui_misc.h"
#include "texrow.h"
#include "support/lyxmanip.h"
#include "BufferView.h"
#include "encoding.h"
#include "ParameterStruct.h"
#include "gettext.h"
using std::ostream;
using std::endl;
using std::fstream;
using std::ios;
using std::lower_bound;
using std::upper_bound;
using std::reverse;
int tex_code_break_column = 72; // needs non-zero initialization. set later.
// this is a bad idea, but how can LyXParagraph 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;
// Initialization of the counter for the paragraph id's,
// declared in lyxparagraph.h
unsigned int LyXParagraph::paragraph_id = 0;
// Initialize static member.
ShareContainer<LyXFont> LyXParagraph::FontTable::container;
LyXParagraph::LyXParagraph()
{
text.reserve(500); // is this number too big?
for (int i = 0; i < 10; ++i) setCounter(i , 0);
enumdepth = 0;
itemdepth = 0;
next_ = 0;
previous_ = 0;
inset_owner = 0;
id_ = paragraph_id++;
bibkey = 0; // ale970302
Clear();
}
// This konstruktor inserts the new paragraph in a list.
LyXParagraph::LyXParagraph(LyXParagraph * par)
{
text.reserve(500);
par->fitToSize();
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
inset_owner = 0;
id_ = paragraph_id++;
bibkey = 0; // ale970302
Clear();
}
LyXParagraph::LyXParagraph(LyXParagraph const & lp)
{
for (int i = 0; i < 10; ++i) setCounter(i , 0);
enumdepth = 0;
itemdepth = 0;
next_ = 0;
previous_ = 0;
id_ = paragraph_id++;
Clear();
MakeSameLayout(&lp);
// this is because of the dummy layout of the paragraphs that
// follow footnotes
layout = lp.layout;
inset_owner = lp.inset_owner;
// 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
text = lp.text;
fontlist = lp.fontlist;
insetlist = lp.insetlist;
for (InsetList::iterator it = insetlist.begin();
it != insetlist.end(); ++it)
it->inset = it->inset->Clone(*current_view->buffer());
}
// the destructor removes the new paragraph from the list
LyXParagraph::~LyXParagraph()
{
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;
//
//lyxerr << "LyXParagraph::paragraph_id = "
// << LyXParagraph::paragraph_id << endl;
}
void LyXParagraph::writeFile(Buffer const * buf, ostream & os,
BufferParams const & bparams,
char footflag, char dth) const
{
// The beginning or end of a deeper (i.e. nested) area?
if (dth != params.depth()) {
if (params.depth() > dth) {
while (params.depth() > dth) {
os << "\n\\begin_deeper ";
++dth;
}
} else {
while (params.depth() < dth) {
os << "\n\\end_deeper ";
--dth;
}
}
}
// First write the layout
os << "\n\\layout "
<< textclasslist.NameOfLayout(bparams.textclass, 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 (size_type i = 0; i < size(); ++i) {
if (!i) {
os << "\n";
column = 0;
}
// Write font changes
LyXFont font2 = GetFontSettings(bparams, i);
if (font2 != font1) {
font2.lyxWriteChanges(font1, os);
column = 0;
font1 = font2;
}
value_type const c = GetChar(i);
switch (c) {
case META_INSET:
{
Inset const * inset = GetInset(i);
if (inset)
if (inset->DirectWrite()) {
// international char, let it write
// code directly so it's shorter in
// the file
inset->Write(buf, os);
} else {
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 (LyXParagraph::writeFile):"
" NULL char in structure." << endl;
++column;
break;
}
}
// now write the next paragraph
if (next_)
next_->writeFile(buf, os, bparams, footflag, dth);
}
void LyXParagraph::validate(LaTeXFeatures & features) const
{
BufferParams const & bparams = features.bufferParams();
// check the params.
if (params.lineTop() || params.lineBottom())
features.lyxline = true;
if (!params.spacing().isDefault())
features.setspace = true;
// then the layouts
features.layout[GetLayout()] = true;
// then the fonts
Language const * doc_language = bparams.language;
for (FontList::const_iterator cit = fontlist.begin();
cit != fontlist.end(); ++cit) {
if ((*cit).font().noun() == LyXFont::ON) {
lyxerr[Debug::LATEX] << "font.noun: "
<< (*cit).font().noun()
<< endl;
features.noun = true;
lyxerr[Debug::LATEX] << "Noun enabled. Font: "
<< (*cit).font().stateText(0)
<< endl;
}
switch ((*cit).font().color()) {
case LColor::none:
case LColor::inherit:
case LColor::ignore:
break;
default:
features.color = true;
lyxerr[Debug::LATEX] << "Color enabled. Font: "
<< (*cit).font().stateText(0)
<< endl;
}
Language const * language = (*cit).font().language();
if (language->babel() != doc_language->babel()) {
features.UsedLanguages.insert(language);
lyxerr[Debug::LATEX] << "Found language "
<< language->babel() << endl;
}
}
// then the insets
for (InsetList::const_iterator cit = insetlist.begin();
cit != insetlist.end(); ++cit) {
if ((*cit).inset)
(*cit).inset->Validate(features);
}
}
// First few functions needed for cut and paste and paragraph breaking.
void LyXParagraph::CopyIntoMinibuffer(Buffer const & buffer,
LyXParagraph::size_type pos) const
{
BufferParams bparams = buffer.params;
minibuffer_char = GetChar(pos);
minibuffer_font = GetFontSettings(bparams, pos);
minibuffer_inset = 0;
if (minibuffer_char == LyXParagraph::META_INSET) {
if (GetInset(pos)) {
minibuffer_inset = GetInset(pos)->Clone(buffer);
} else {
minibuffer_inset = 0;
minibuffer_char = ' ';
// This reflects what GetInset() does (ARRae)
}
}
}
void LyXParagraph::CutIntoMinibuffer(BufferParams const & bparams,
LyXParagraph::size_type pos)
{
minibuffer_char = GetChar(pos);
minibuffer_font = GetFontSettings(bparams, pos);
minibuffer_inset = 0;
if (minibuffer_char == LyXParagraph::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
InsetTable search_elem(pos, 0);
InsetList::iterator it =
lower_bound(insetlist.begin(),
insetlist.end(),
search_elem, matchIT());
if (it != insetlist.end() && (*it).pos == pos)
(*it).inset = 0;
} else {
minibuffer_inset = 0;
minibuffer_char = ' ';
// This reflects what GetInset() does (ARRae)
}
}
// Erase(pos); now the caller is responsible for that.
}
bool LyXParagraph::InsertFromMinibuffer(LyXParagraph::size_type pos)
{
if ((minibuffer_char == LyXParagraph::META_INSET) &&
!InsertInsetAllowed(minibuffer_inset))
return false;
if (minibuffer_char == LyXParagraph::META_INSET)
InsertInset(pos, minibuffer_inset, minibuffer_font);
else
InsertChar(pos, minibuffer_char, minibuffer_font);
return true;
}
// end of minibuffer
void LyXParagraph::Clear()
{
params.clear();
layout = 0;
bibkey = 0;
}
void LyXParagraph::Erase(LyXParagraph::size_type pos)
{
lyx::Assert(pos < size());
// if it is an inset, delete the inset entry
if (text[pos] == LyXParagraph::META_INSET) {
// find the entry
InsetTable search_inset(pos, 0);
InsetList::iterator it =
lower_bound(insetlist.begin(),
insetlist.end(),
search_inset, matchIT());
if (it != insetlist.end() && (*it).pos == pos) {
delete (*it).inset;
insetlist.erase(it);
}
}
text.erase(text.begin() + pos);
// Erase entries in the tables.
FontTable search_font(pos, LyXFont());
FontList::iterator it =
lower_bound(fontlist.begin(),
fontlist.end(),
search_font, matchFT());
if (it != fontlist.end() && (*it).pos() == pos &&
(pos == 0 ||
(it != fontlist.begin() && (*(it - 1)).pos() == pos - 1))) {
// If it is a multi-character font
// entry, we just make it smaller
// (see update below), otherwise we
// should delete it.
unsigned int const i = it - fontlist.begin();
fontlist.erase(fontlist.begin() + i);
it = fontlist.begin() + i;
if (i > 0 && i < fontlist.size() &&
fontlist[i - 1].font() == fontlist[i].font()) {
fontlist.erase(fontlist.begin() + i - 1);
it = fontlist.begin() + i - 1;
}
}
// Update all other entries.
FontList::iterator fend = fontlist.end();
for (; it != fend; ++it)
(*it).pos((*it).pos() - 1);
// Update the inset table.
InsetTable search_inset(pos, 0);
InsetList::iterator lend = insetlist.end();
for (InsetList::iterator it =
upper_bound(insetlist.begin(),
lend,
search_inset, matchIT());
it != lend; ++it)
--(*it).pos;
}
void LyXParagraph::InsertChar(LyXParagraph::size_type pos,
LyXParagraph::value_type c)
{
LyXFont const f(LyXFont::ALL_INHERIT);
InsertChar(pos, c, f);
}
void LyXParagraph::InsertChar(LyXParagraph::size_type pos,
LyXParagraph::value_type c,
LyXFont const & font)
{
lyx::Assert(pos <= size());
text.insert(text.begin() + pos, c);
// Update the font table.
FontTable search_font(pos, LyXFont());
for (FontList::iterator it = lower_bound(fontlist.begin(),
fontlist.end(),
search_font, matchFT());
it != fontlist.end(); ++it)
(*it).pos((*it).pos() + 1);
// Update the inset table.
InsetTable search_inset(pos, 0);
for (InsetList::iterator it = lower_bound(insetlist.begin(),
insetlist.end(),
search_inset, matchIT());
it != insetlist.end(); ++it)
++(*it).pos;
SetFont(pos, font);
}
void LyXParagraph::InsertInset(LyXParagraph::size_type pos,
Inset * inset)
{
LyXFont const f(LyXFont::ALL_INHERIT);
InsertInset(pos, inset, f);
}
void LyXParagraph::InsertInset(LyXParagraph::size_type pos,
Inset * inset, LyXFont const & font)
{
lyx::Assert(inset);
lyx::Assert(pos <= size());
InsertChar(pos, META_INSET, font);
lyx::Assert(text[pos] == META_INSET);
// Add a new entry in the inset table.
InsetTable search_inset(pos, 0);
InsetList::iterator it = lower_bound(insetlist.begin(),
insetlist.end(),
search_inset, matchIT());
if (it != insetlist.end() && (*it).pos == pos)
lyxerr << "ERROR (LyXParagraph::InsertInset): "
"there is an inset in position: " << pos << endl;
else
insetlist.insert(it, InsetTable(pos, inset));
if (inset_owner)
inset->setOwner(inset_owner);
}
bool LyXParagraph::InsertInsetAllowed(Inset * inset)
{
//lyxerr << "LyXParagraph::InsertInsetAllowed" << endl;
if (inset_owner)
return inset_owner->InsertInsetAllowed(inset);
return true;
}
Inset * LyXParagraph::GetInset(LyXParagraph::size_type pos)
{
lyx::Assert(pos < size());
// Find the inset.
InsetTable search_inset(pos, 0);
InsetList::iterator it = lower_bound(insetlist.begin(),
insetlist.end(),
search_inset, matchIT());
if (it != insetlist.end() && (*it).pos == pos)
return (*it).inset;
lyxerr << "ERROR (LyXParagraph::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 * LyXParagraph::GetInset(LyXParagraph::size_type pos) const
{
lyx::Assert(pos < size());
// Find the inset.
InsetTable search_inset(pos, 0);
InsetList::const_iterator cit = lower_bound(insetlist.begin(),
insetlist.end(),
search_inset, matchIT());
if (cit != insetlist.end() && (*cit).pos == pos)
return (*cit).inset;
lyxerr << "ERROR (LyXParagraph::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 LyXParagraph::GetFontSettings(BufferParams const & bparams,
LyXParagraph::size_type pos) const
{
lyx::Assert(pos <= size());
FontTable search_font(pos, LyXFont());
FontList::const_iterator cit = lower_bound(fontlist.begin(),
fontlist.end(),
search_font, matchFT());
if (cit != fontlist.end())
return (*cit).font();
if (pos == size() && size())
return GetFontSettings(bparams, pos - 1);
return LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));
}
// Gets uninstantiated font setting at position 0
LyXFont const LyXParagraph::GetFirstFontSettings() const
{
if (size() > 0) {
if (!fontlist.empty())
return 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 LyXParagraph::getFont(BufferParams const & bparams,
LyXParagraph::size_type pos) const
{
LyXFont tmpfont;
LyXLayout const & layout =
textclasslist.Style(bparams.textclass,
GetLayout());
LyXParagraph::size_type main_body = 0;
if (layout.labeltype == LABEL_MANUAL)
main_body = BeginningOfMainBody();
if (pos >= 0) {
LyXFont layoutfont;
if (pos < main_body)
layoutfont = layout.labelfont;
else
layoutfont = layout.font;
tmpfont = GetFontSettings(bparams, pos);
tmpfont.realize(layoutfont);
} else {
// process layoutfont for pos == -1 and labelfont for pos < -1
if (pos == -1)
tmpfont = layout.font;
else
tmpfont = layout.labelfont;
tmpfont.setLanguage(getParLanguage(bparams));
}
// check for environment font information
char par_depth = GetDepth();
LyXParagraph const * par = this;
while (par && par_depth && !tmpfont.resolved()) {
par = par->DepthHook(par_depth - 1);
if (par) {
tmpfont.realize(textclasslist.
Style(bparams.textclass,
par->GetLayout()).font);
par_depth = par->GetDepth();
}
}
tmpfont.realize(textclasslist
.TextClass(bparams.textclass)
.defaultfont());
return tmpfont;
}
/// Returns the height of the highest font in range
LyXFont::FONT_SIZE
LyXParagraph::HighestFontInRange(LyXParagraph::size_type startpos,
LyXParagraph::size_type endpos) const
{
LyXFont::FONT_SIZE maxsize = LyXFont::SIZE_TINY;
if (fontlist.empty())
return maxsize;
FontTable end_search(endpos, LyXFont());
FontList::const_iterator end_it = lower_bound(fontlist.begin(),
fontlist.end(),
end_search, matchFT());
if (end_it != fontlist.end())
++end_it;
FontTable start_search(startpos, LyXFont());
for (FontList::const_iterator cit =
lower_bound(fontlist.begin(),
fontlist.end(),
start_search, matchFT());
cit != end_it; ++cit) {
LyXFont::FONT_SIZE size = (*cit).font().size();
if (size > maxsize && size <= LyXFont::SIZE_HUGER)
maxsize = size;
}
return maxsize;
}
LyXParagraph::value_type
LyXParagraph::GetUChar(BufferParams const & bparams,
LyXParagraph::size_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;
}
// return an string of the current word, and the end of the word in lastpos.
string const LyXParagraph::GetWord(LyXParagraph::size_type & lastpos) const
{
lyx::Assert(lastpos >= 0);
// the current word is defined as starting at the first character
// from the immediate left of lastpospos which meets the definition
// of IsLetter(), continuing to the last character to the right
// of this meeting IsLetter.
string theword;
// grab a word
// move back until we have a letter
//there's no real reason to have firstpos & lastpos as
//separate variables as this is written, but maybe someon
// will want to return firstpos in the future.
//since someone might have typed a punctuation first
int firstpos = lastpos;
while ((firstpos >= 0) && !IsLetter(firstpos))
--firstpos;
// now find the beginning by looking for a nonletter
while ((firstpos>= 0) && IsLetter(firstpos))
--firstpos;
// the above is now pointing to the preceeding non-letter
++firstpos;
lastpos = firstpos;
// so copy characters into theword until we get a nonletter
// note that this can easily exceed lastpos, wich means
// that if used in the middle of a word, the whole word
// is included
while (IsLetter(lastpos)) theword += GetChar(lastpos++);
return theword;
}
void LyXParagraph::SetFont(LyXParagraph::size_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
FontTable search_font(pos, LyXFont());
FontList::iterator it = lower_bound(fontlist.begin(),
fontlist.end(),
search_font, matchFT());
unsigned int i = it - fontlist.begin();
bool notfound = it == fontlist.end();
if (!notfound && fontlist[i].font() == font)
return;
bool begin = pos == 0 || notfound ||
(i > 0 && fontlist[i-1].pos() == pos - 1);
// Is position pos is a beginning of a font block?
bool end = !notfound && fontlist[i].pos() == pos;
// Is position pos is the end of a font block?
if (begin && end) { // A single char block
if (i + 1 < fontlist.size() &&
fontlist[i + 1].font() == font) {
// Merge the singleton block with the next block
fontlist.erase(fontlist.begin() + i);
if (i > 0 && fontlist[i - 1].font() == font)
fontlist.erase(fontlist.begin() + i-1);
} else if (i > 0 && fontlist[i - 1].font() == font) {
// Merge the singleton block with the previous block
fontlist[i - 1].pos(pos);
fontlist.erase(fontlist.begin() + i);
} else
fontlist[i].font(font);
} else if (begin) {
if (i > 0 && fontlist[i - 1].font() == font)
fontlist[i - 1].pos(pos);
else
fontlist.insert(fontlist.begin() + i,
FontTable(pos, font));
} else if (end) {
fontlist[i].pos(pos - 1);
if (!(i + 1 < fontlist.size() &&
fontlist[i + 1].font() == font))
fontlist.insert(fontlist.begin() + i + 1,
FontTable(pos, font));
} else { // The general case. The block is splitted into 3 blocks
fontlist.insert(fontlist.begin() + i,
FontTable(pos - 1, fontlist[i].font()));
fontlist.insert(fontlist.begin() + i + 1,
FontTable(pos, font));
}
}
void LyXParagraph::next(LyXParagraph * p)
{
next_ = p;
}
// This function is able to hide closed footnotes.
LyXParagraph * LyXParagraph::next()
{
return next_;
}
LyXParagraph const * LyXParagraph::next() const
{
return next_;
}
void LyXParagraph::previous(LyXParagraph * p)
{
previous_ = p;
}
// This function is able to hide closed footnotes.
LyXParagraph * LyXParagraph::previous()
{
return previous_;
}
// This function is able to hide closed footnotes.
LyXParagraph const * LyXParagraph::previous() const
{
return previous_;
}
void LyXParagraph::BreakParagraph(BufferParams const & bparams,
LyXParagraph::size_type pos,
int flag)
{
// create a new paragraph
LyXParagraph * tmp = new LyXParagraph(this);
// 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->SetOnlyLayout(layout);
tmp->SetLabelWidthString(params.labelWidthString());
}
if (size() > pos || !size() || flag == 2) {
tmp->SetOnlyLayout(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
size_type pos_end = text.size() - 1;
size_type i = pos;
size_type j = pos;
for (; i <= pos_end; ++i) {
CutIntoMinibuffer(bparams, i);
if (tmp->InsertFromMinibuffer(j - pos))
++j;
}
tmp->fitToSize();
for (i = pos_end; i >= pos; --i)
Erase(i);
fitToSize();
}
// just an idea of me
if (!pos) {
tmp->params.lineTop(params.lineTop());
tmp->params.pagebreakTop(params.pagebreakTop());
tmp->params.spaceTop(params.spaceTop());
tmp->bibkey = bibkey;
Clear();
// layout stays the same with latex-environments
if (flag) {
SetOnlyLayout(tmp->layout);
SetLabelWidthString(tmp->params.labelWidthString());
params.depth(tmp->params.depth());
}
}
}
void LyXParagraph::MakeSameLayout(LyXParagraph const * par)
{
layout = par->layout;
params.makeSame(par->params);
// This can be changed after NEW_INSETS is in effect. (Lgb)
SetLabelWidthString(par->params.labelWidthString());
}
int LyXParagraph::StripLeadingSpaces(LyXTextClassList::size_type tclass)
{
if (textclasslist.Style(tclass, GetLayout()).free_spacing)
return 0;
int i = 0;
while (size()
&& (IsNewline(0) || IsLineSeparator(0))){
Erase(0);
++i;
}
return i;
}
bool LyXParagraph::HasSameLayout(LyXParagraph const * par) const
{
return
par->layout == layout &&
params.sameLayout(par->params);
}
void LyXParagraph::BreakParagraphConservative(BufferParams const & bparams,
LyXParagraph::size_type pos)
{
// create a new paragraph
LyXParagraph * tmp = new LyXParagraph(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
size_type pos_end = text.size() - 1;
size_type i, j;
for (i = j = pos; i <= pos_end; ++i) {
CutIntoMinibuffer(bparams, i);
if (tmp->InsertFromMinibuffer(j - pos))
++j;
}
tmp->fitToSize();
for (size_type i = pos_end; i >= pos; --i)
Erase(i);
fitToSize();
}
}
// 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 LyXParagraph::PasteParagraph(BufferParams const & bparams)
{
// copy the next paragraph to this one
LyXParagraph * 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());
size_type pos_end = the_next->text.size() - 1;
size_type pos_insert = size();
// ok, now copy the paragraph
size_type i, j;
for (i = j = 0; i <= pos_end; ++i) {
the_next->CutIntoMinibuffer(bparams, i);
if (InsertFromMinibuffer(pos_insert + j))
++j;
}
// delete the next paragraph
LyXParagraph * ppar = the_next->previous_;
LyXParagraph * npar = the_next->next_;
delete the_next;
ppar->next(npar);
}
int LyXParagraph::GetEndLabel(BufferParams const & bparams) const
{
LyXParagraph const * par = this;
int par_depth = GetDepth();
while (par) {
LyXTextClass::LayoutList::size_type layout = par->GetLayout();
int const endlabeltype =
textclasslist.Style(bparams.textclass,
layout).endlabeltype;
if (endlabeltype != END_LABEL_NO_LABEL) {
if (!next_)
return endlabeltype;
int const next_depth = next_->GetDepth();
if (par_depth > next_depth ||
(par_depth == next_depth
&& layout != next_->GetLayout()))
return endlabeltype;
break;
}
if (par_depth == 0)
break;
par = par->DepthHook(par_depth - 1);
if (par)
par_depth = par->GetDepth();
}
return END_LABEL_NO_LABEL;
}
char LyXParagraph::GetDepth() const
{
return params.depth();
}
char LyXParagraph::GetAlign() const
{
return params.align();
}
string const & LyXParagraph::GetLabelstring() const
{
return params.labelString();
}
int LyXParagraph::GetFirstCounter(int i) const
{
return counter_[i];
}
// the next two functions are for the manual labels
string const LyXParagraph::GetLabelWidthString() const
{
if (!params.labelWidthString().empty())
return params.labelWidthString();
else
return _("Senseless with this layout!");
}
void LyXParagraph::SetLabelWidthString(string const & s)
{
params.labelWidthString(s);
}
void LyXParagraph::SetOnlyLayout(LyXTextClass::size_type new_layout)
{
layout = new_layout;
}
void LyXParagraph::SetLayout(LyXTextClass::size_type 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 LyXParagraph::BeginningOfMainBody() const
{
// Unroll the first two cycles of the loop
// and remember the previous character to
// remove unnecessary GetChar() calls
size_type i = 0;
if (i < size()
&& GetChar(i) != LyXParagraph::META_NEWLINE) {
++i;
char previous_char = 0;
char temp = 0;
if (i < size()
&& (previous_char = GetChar(i)) != LyXParagraph::META_NEWLINE) {
// Yes, this ^ is supposed to be "= " not "=="
++i;
while (i < size()
&& previous_char != ' '
&& (temp = GetChar(i)) != LyXParagraph::META_NEWLINE) {
++i;
previous_char = temp;
}
}
}
return i;
}
LyXParagraph * LyXParagraph::DepthHook(int deth)
{
LyXParagraph * newpar = this;
if (deth < 0)
return 0;
do {
newpar = newpar->previous();
} while (newpar && newpar->GetDepth() > deth);
if (!newpar) {
if (previous() || GetDepth())
lyxerr << "ERROR (LyXParagraph::DepthHook): "
"no hook." << endl;
newpar = this;
}
return newpar;
}
LyXParagraph const * LyXParagraph::DepthHook(int deth) const
{
LyXParagraph const * newpar = this;
if (deth < 0)
return 0;
do {
newpar = newpar->previous();
} while (newpar && newpar->GetDepth() > deth);
if (!newpar) {
if (previous() || GetDepth())
lyxerr << "ERROR (LyXParagraph::DepthHook): "
"no hook." << endl;
newpar = this;
}
return newpar;
}
int LyXParagraph::AutoDeleteInsets()
{
int count = 0;
InsetList::size_type index = 0;
while (index < insetlist.size()) {
if (insetlist[index].inset && insetlist[index].inset->AutoDelete()) {
Erase(insetlist[index].pos);
// Erase() calls to insetlist.erase(&insetlist[index])
// so index shouldn't be increased.
++count;
} else
++index;
}
return count;
}
LyXParagraph::inset_iterator
LyXParagraph::InsetIterator(LyXParagraph::size_type pos)
{
InsetTable search_inset(pos, 0);
InsetList::iterator it = lower_bound(insetlist.begin(),
insetlist.end(),
search_inset, matchIT());
return inset_iterator(it);
}
// returns -1 if inset not found
int LyXParagraph::GetPositionOfInset(Inset * inset) const
{
// Find the entry.
for (InsetList::const_iterator cit = insetlist.begin();
cit != insetlist.end(); ++cit) {
if ((*cit).inset == inset) {
return (*cit).pos;
}
}
if (inset == bibkey)
return 0;
return -1;
}
LyXParagraph * LyXParagraph::TeXOnePar(Buffer const * buf,
BufferParams const & bparams,
ostream & os, TexRow & texrow,
bool moving_arg)
{
lyxerr[Debug::LATEX] << "TeXOnePar... " << this << endl;
LyXLayout const & style =
textclasslist.Style(bparams.textclass,
layout);
bool further_blank_line = false;
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();
}
Language const * language = getParLanguage(bparams);
Language const * doc_language = bparams.language;
Language const * previous_language = previous_
? previous_->getParLanguage(bparams) : doc_language;
if (language->babel() != doc_language->babel() &&
language->babel() != previous_language->babel()) {
os << subst(lyxrc.language_command_begin, "$$lang",
language->babel())
<< endl;
texrow.newline();
}
if (bparams.inputenc == "auto" &&
language->encoding() != previous_language->encoding()) {
os << "\\inputencoding{"
<< language->encoding()->LatexName()
<< "}" << endl;
texrow.newline();
}
switch (style.latextype) {
case LATEX_COMMAND:
os << '\\'
<< style.latexname()
<< style.latexparam();
break;
case LATEX_ITEM_ENVIRONMENT:
if (bibkey) {
bibkey->Latex(buf, os, false, false);
} else
os << "\\item ";
break;
case LATEX_LIST_ENVIRONMENT:
os << "\\item ";
break;
default:
break;
}
bool need_par = SimpleTeXOnePar(buf, bparams, os, texrow, moving_arg);
// Make sure that \\par is done with the font of the last
// character if this has another size as the default.
// This is necessary because LaTeX (and LyX on the screen)
// calculates the space between the baselines according
// to this font. (Matthias)
//
// Is this really needed ? (Dekel)
// We do not need to use to change the font for the last paragraph
// or for a command.
LyXFont font = getFont(bparams, size() - 1);
bool is_command = textclasslist.Style(bparams.textclass,
GetLayout()).isCommand();
if (style.resfont.size() != font.size() && next_ && !is_command) {
if (!need_par)
os << "{";
os << "\\" << font.latexSize() << " \\par}";
} else if (need_par) {
os << "\\par}";
} else if (is_command)
os << "}";
if (language->babel() != doc_language->babel() &&
(!next_
|| next_->getParLanguage(bparams)->babel() != language->babel())) {
os << endl
<< subst(lyxrc.language_command_end, "$$lang",
doc_language->babel());
}
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;
default:
// we don't need it for the last paragraph!!!
// or for tables in floats
// -- effectively creates a \par where there isn't one which
// breaks a \subfigure or \subtable.
if (next_) {
os << '\n';
texrow.newline();
}
}
further_blank_line = false;
if (params.lineBottom()) {
os << "\\lyxline{\\" << getFont(bparams,
size() - 1).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();
}
lyxerr[Debug::LATEX] << "TeXOnePar...done " << next_ << endl;
return next_;
}
// This one spits out the text of the paragraph
bool LyXParagraph::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 const & style =
textclasslist.Style(bparams.textclass,
GetLayout());
LyXFont basefont, last_font;
// Maybe we have to create a optional argument.
size_type main_body;
if (style.labeltype != LABEL_MANUAL)
main_body = 0;
else
main_body = BeginningOfMainBody();
if (main_body > 0) {
os << '[';
basefont = getFont(bparams, -2); // Get label font
} else {
basefont = getFont(bparams, -1); // Get layout font
}
int column = 0;
if (main_body >= 0
&& !text.size()) {
if (style.isCommand()) {
os << '{';
++column;
} else if (params.align() != LYX_ALIGN_LAYOUT) {
os << '{';
++column;
return_value = true;
}
}
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);
for (size_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 = getFont(bparams, -1); // Now use the layout font
running_font = basefont;
os << ']';
++column;
}
if (style.isCommand()) {
os << '{';
++column;
} else if (params.align() != LYX_ALIGN_LAYOUT && next_) {
// We do not need \par here (Dekel)
// os << "{\\par";
os << "{";
++column;
return_value = true;
}
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 (moving_arg)
os << "\\protect";
if (getParLanguage(bparams)->babel() != "hebrew") {
os << "\\raggedright ";
column+= 13;
} else {
os << "\\raggedleft ";
column+= 12;
}
break;
case LYX_ALIGN_RIGHT:
if (moving_arg)
os << "\\protect";
if (getParLanguage(bparams)->babel() != "hebrew") {
os << "\\raggedleft ";
column+= 12;
} else {
os << "\\raggedright ";
column+= 13;
}
break;
case LYX_ALIGN_CENTER:
if (moving_arg)
os << "\\protect";
os << "\\centering ";
column+= 11;
break;
}
}
value_type c = GetChar(i);
// Fully instantiated font
LyXFont font = getFont(bparams, i);
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
&& !getFont(bparams, i + 1).equalExceptLatex(running_font)
&& !getFont(bparams, i + 1).equalExceptLatex(font)) {
font = getFont(bparams, i + 1);
}
// We end font definition before blanks
if (!font.equalExceptLatex(running_font) && open_font) {
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) {
SimpleTeXBlanks(os, texrow, i,
column, font, style);
}
}
// Do we need to change font?
if (!font.equalExceptLatex(running_font)
&& i != main_body-1) {
column += font.latexWriteStartChanges(os, basefont,
last_font);
running_font = font;
open_font = true;
}
if (c == LyXParagraph::META_NEWLINE) {
// newlines are handled differently here than
// the default in SimpleTeXSpecialChars().
if (!style.newline_allowed
|| font.latex() == LyXFont::ON) {
os << '\n';
} else {
if (open_font) {
column += running_font.latexWriteEndChanges(os, basefont, basefont);
open_font = false;
}
basefont = getFont(bparams, -1);
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 {
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) {
if (next_) {
running_font
.latexWriteEndChanges(os, basefont,
next_->getFont(bparams,
0));
} else {
running_font.latexWriteEndChanges(os, basefont,
basefont);
}
}
// Needed if there is an optional argument but no contents.
if (main_body > 0 && main_body == size()) {
os << "]~";
return_value = false;
}
lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
return return_value;
}
bool LyXParagraph::linuxDocConvertChar(char c, string & sgml_string)
{
bool retval = false;
switch (c) {
case LyXParagraph::META_HFILL:
sgml_string.erase();
break;
case LyXParagraph::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;
}
void LyXParagraph::SimpleTeXBlanks(ostream & os, TexRow & texrow,
LyXParagraph::size_type const i,
int & column, LyXFont const & font,
LyXLayout const & style)
{
if (column > tex_code_break_column
&& i
&& GetChar(i - 1) != ' '
&& (i < size() - 1)
// In LaTeX mode, we don't want to
// break lines since some commands
// do not like this
&& ! (font.latex() == LyXFont::ON)
// same in FreeSpacing mode
&& !style.free_spacing
// In typewriter mode, we want to avoid
// ! . ? : at the end of a line
&& !(font.family() == LyXFont::TYPEWRITER_FAMILY
&& (GetChar(i-1) == '.'
|| GetChar(i-1) == '?'
|| GetChar(i-1) == ':'
|| GetChar(i-1) == '!'))) {
if (tex_code_break_column == 0) {
// in batchmode we need LaTeX to still
// see it as a space not as an extra '\n'
os << " %\n";
} else {
os << '\n';
}
texrow.newline();
texrow.start(this, i + 1);
column = 0;
} else if (font.latex() == LyXFont::OFF) {
if (style.free_spacing) {
os << '~';
} else {
os << ' ';
}
}
}
void LyXParagraph::SimpleTeXSpecialChars(Buffer const * buf,
BufferParams const & bparams,
ostream & os, TexRow & texrow,
bool moving_arg,
LyXFont & font,
LyXFont & running_font,
LyXFont & basefont,
bool & open_font,
LyXLayout const & style,
LyXParagraph::size_type & i,
int & column,
LyXParagraph::value_type const c)
{
// 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 LyXParagraph::META_INSET: {
Inset * inset = 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;
}
int tmp = inset->Latex(buf, os, moving_arg,
style.free_spacing);
if (close)
os << "}";
if (tmp) {
column = 0;
} else {
column += int(os.tellp()) - len;
}
for (; tmp--;) {
texrow.newline();
}
}
}
break;
case LyXParagraph::META_NEWLINE:
if (open_font) {
column += running_font.latexWriteEndChanges(os,
basefont,
basefont);
open_font = false;
}
basefont = getFont(bparams, -1);
running_font = basefont;
break;
case LyXParagraph::META_HFILL:
os << "\\hfill{}";
column += 7;
break;
default:
// And now for the special cases within each mode
// Are we in LaTeX mode?
if (font.latex() == LyXFont::ON) {
// at present we only have one option
// but I'll leave it as a switch statement
// so its simpler to extend. (ARRae)
switch (c) {
default:
// make sure that we will not print
// error generating chars to the tex
// file. This test would not be needed
// if it were done in the buffer
// itself.
if (c != '\0') {
os << c;
}
break;
}
} else {
// Plain mode (i.e. not LaTeX)
switch (c) {
case '\\':
os << "\\textbackslash{}";
column += 15;
break;
case '<EFBFBD>': case '<EFBFBD>': case '<EFBFBD>': case '<EFBFBD>':
case '<EFBFBD>': case '<EFBFBD>': case '<EFBFBD>': case '<EFBFBD>':
case '<EFBFBD>': case '<EFBFBD>': case '<EFBFBD>':
if (bparams.inputenc == "latin1" ||
(bparams.inputenc == "auto" &&
font.language()->encoding()->LatexName()
== "latin1")) {
os << "\\ensuremath{"
<< c
<< '}';
column += 13;
} else {
os << c;
}
break;
case '|': case '<': case '>':
// In T1 encoding, these characters exist
if (lyxrc.fontenc == "T1") {
os << c;
//... but we should avoid ligatures
if ((c == '>' || c == '<')
&& i <= size() - 2
&& GetChar(i + 1) == c) {
//os << "\\textcompwordmark{}";
// Jean-Marc, have a look at
// this. I<>think this works
// equally well:
os << "\\,{}";
// Lgb
column += 19;
}
break;
}
// Typewriter font also has them
if (font.family() == LyXFont::TYPEWRITER_FAMILY) {
os << c;
break;
}
// Otherwise, we use what LaTeX
// provides us.
switch (c) {
case '<':
os << "\\textless{}";
column += 10;
break;
case '>':
os << "\\textgreater{}";
column += 13;
break;
case '|':
os << "\\textbar{}";
column += 9;
break;
}
break;
case '-': // "--" in Typewriter mode -> "-{}-"
if (i <= size() - 2
&& GetChar(i + 1) == '-'
&& font.family() == LyXFont::TYPEWRITER_FAMILY) {
os << "-{}";
column += 2;
} else {
os << '-';
}
break;
case '\"':
os << "\\char`\\\"{}";
column += 9;
break;
case '<EFBFBD>':
if (bparams.inputenc == "default") {
os << "\\pounds{}";
column += 8;
} else {
os << c;
}
break;
case '$': case '&':
case '%': case '#': case '{':
case '}': case '_':
os << '\\' << c;
column += 1;
break;
case '~':
os << "\\textasciitilde{}";
column += 16;
break;
case '^':
os << "\\textasciicircum{}";
column += 17;
break;
case '*': case '[': case ']':
// avoid being mistaken for optional arguments
os << '{' << c << '}';
column += 2;
break;
case ' ':
// Blanks are printed before font switching.
// Sure? I am not! (try nice-latex)
// I am sure it's correct. LyX might be smarter
// in the future, but for now, nothing wrong is
// written. (Asger)
break;
default:
/* idea for labels --- begin*/
// Check for "LyX"
if (c == 'L'
&& i <= size() - 3
&& font.family() != LyXFont::TYPEWRITER_FAMILY
&& GetChar(i + 1) == 'y'
&& GetChar(i + 2) == 'X') {
os << "\\LyX{}";
i += 2;
column += 5;
}
// Check for "TeX"
else if (c == 'T'
&& i <= size() - 3
&& font.family() != LyXFont::TYPEWRITER_FAMILY
&& GetChar(i + 1) == 'e'
&& GetChar(i + 2) == 'X') {
os << "\\TeX{}";
i += 2;
column += 5;
}
// Check for "LaTeX2e"
else if (c == 'L'
&& i <= size() - 7
&& font.family() != LyXFont::TYPEWRITER_FAMILY
&& GetChar(i + 1) == 'a'
&& GetChar(i + 2) == 'T'
&& GetChar(i + 3) == 'e'
&& GetChar(i + 4) == 'X'
&& GetChar(i + 5) == '2'
&& GetChar(i + 6) == 'e') {
os << "\\LaTeXe{}";
i += 6;
column += 8;
}
// Check for "LaTeX"
else if (c == 'L'
&& i <= size() - 5
&& font.family() != LyXFont::TYPEWRITER_FAMILY
&& GetChar(i + 1) == 'a'
&& GetChar(i + 2) == 'T'
&& GetChar(i + 3) == 'e'
&& GetChar(i + 4) == 'X') {
os << "\\LaTeX{}";
i += 4;
column += 7;
/* idea for labels --- end*/
} else if (c != '\0') {
os << c;
}
break;
}
}
}
}
LyXParagraph * LyXParagraph::TeXDeeper(Buffer const * buf,
BufferParams const & bparams,
ostream & os, TexRow & texrow)
{
lyxerr[Debug::LATEX] << "TeXDeeper... " << this << endl;
LyXParagraph * par = this;
while (par && par->params.depth() == params.depth()) {
if (textclasslist.Style(bparams.textclass,
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;
}
LyXParagraph * LyXParagraph::TeXEnvironment(Buffer const * buf,
BufferParams const & bparams,
ostream & os, TexRow & texrow)
{
lyxerr[Debug::LATEX] << "TeXEnvironment... " << this << endl;
LyXLayout const & style =
textclasslist.Style(bparams.textclass,
layout);
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();
}
LyXParagraph * par = this;
do {
par = par->TeXOnePar(buf, bparams,
os, texrow, false);
if (par && par->params.depth() > params.depth()) {
if (textclasslist.Style(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->TeXDeeper(buf, bparams, os, texrow);
}
} while (par
&& par->layout == layout
&& par->params.depth() == params.depth());
if (style.isEnvironment()) {
os << "\\end{" << style.latexname() << "}\n";
}
lyxerr[Debug::LATEX] << "TeXEnvironment...done " << par << endl;
return par; // ale970302
}
bool LyXParagraph::IsHfill(size_type pos) const
{
return IsHfillChar(GetChar(pos));
}
bool LyXParagraph::IsInset(size_type pos) const
{
return IsInsetChar(GetChar(pos));
}
bool LyXParagraph::IsNewline(size_type pos) const
{
return pos >= 0 && IsNewlineChar(GetChar(pos));
}
bool LyXParagraph::IsSeparator(size_type pos) const
{
return IsSeparatorChar(GetChar(pos));
}
bool LyXParagraph::IsLineSeparator(size_type pos) const
{
return IsLineSeparatorChar(GetChar(pos));
}
bool LyXParagraph::IsKomma(size_type pos) const
{
return IsKommaChar(GetChar(pos));
}
/// Used by the spellchecker
bool LyXParagraph::IsLetter(LyXParagraph::size_type pos) const
{
value_type const c = GetChar(pos);
if (IsLetterChar(c))
return true;
// '\0' is not a letter, allthough every string contains "" (below)
if (c == '\0')
return false;
// We want to pass the ' and escape chars to ispell
string const extra = lyxrc.isp_esc_chars + '\'';
char ch[2] = { c, 0 };
return contains(extra, ch);
}
bool LyXParagraph::IsWord(size_type pos ) const
{
return IsWordChar(GetChar(pos)) ;
}
Language const *
LyXParagraph::getParLanguage(BufferParams const & bparams) const
{
if (size() > 0)
return GetFirstFontSettings().language();
else if (previous_)
return previous_->getParLanguage(bparams);
else
return bparams.language;
}
bool LyXParagraph::isRightToLeftPar(BufferParams const & bparams) const
{
return lyxrc.rtl_support
&& getParLanguage(bparams)->RightToLeft();
}
void LyXParagraph::ChangeLanguage(BufferParams const & bparams,
Language const * from, Language const * to)
{
for (size_type i = 0; i < size(); ++i) {
LyXFont font = GetFontSettings(bparams, i);
if (font.language() == from) {
font.setLanguage(to);
SetFont(i, font);
}
}
}
bool LyXParagraph::isMultiLingual(BufferParams const & bparams)
{
Language const * doc_language = bparams.language;
for (FontList::const_iterator cit = fontlist.begin();
cit != fontlist.end(); ++cit)
if ((*cit).font().language() != doc_language)
return true;
return false;
}
// Convert the paragraph to a string.
// Used for building the table of contents
string const LyXParagraph::String(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 (LyXParagraph::size_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) {
std::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 LyXParagraph::String(Buffer const * buffer,
LyXParagraph::size_type beg,
LyXParagraph::size_type end)
{
string s;
if (beg == 0 && !params.labelString().empty())
s += params.labelString() + ' ';
for (LyXParagraph::size_type i = beg; i < end; ++i) {
value_type c = GetUChar(buffer->params, i);
if (IsPrintable(c))
s += c;
else if (c == META_INSET) {
std::ostringstream ost;
GetInset(i)->Ascii(buffer, ost);
s += ost.str().c_str();
}
}
return s;
}
void LyXParagraph::SetInsetOwner(Inset * i)
{
inset_owner = i;
for (InsetList::const_iterator cit = insetlist.begin();
cit != insetlist.end(); ++cit) {
if ((*cit).inset)
(*cit).inset->setOwner(i);
}
}
void LyXParagraph::deleteInsetsLyXText(BufferView * bv)
{
// then the insets
for (InsetList::const_iterator cit = insetlist.begin();
cit != insetlist.end(); ++cit) {
if ((*cit).inset) {
if ((*cit).inset->IsTextInset()) {
static_cast<UpdatableInset *>
((*cit).inset)->deleteLyXText(bv);
}
}
}
}
void LyXParagraph::resizeInsetsLyXText(BufferView * bv)
{
// then the insets
for (InsetList::const_iterator cit = insetlist.begin();
cit != insetlist.end(); ++cit) {
if ((*cit).inset) {
if ((*cit).inset->IsTextInset()) {
static_cast<UpdatableInset *>
((*cit).inset)->resizeLyXText(bv);
}
}
}
}
void LyXParagraph::fitToSize()
{
TextContainer tmp(text.begin(), text.end());
text.swap(tmp);
}
void LyXParagraph::setContentsFromPar(LyXParagraph * par)
{
text = par->text;
}