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Split TeXEnvironment() in three functions. The real optimisation is yet to come.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36896 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2010-12-15 23:39:38 +00:00
parent 1ff5754a1b
commit 67e782190a
1 changed files with 85 additions and 53 deletions
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138
src/output_latex.cpp
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@ -66,14 +66,21 @@ string const getPolyglossiaEnvName(Language const * lang)
}
ParagraphList::const_iterator
TeXEnvironment(Buffer const & buf,
Text const & text,
ParagraphList::const_iterator pit,
odocstream & os, TexRow & texrow,
OutputParams const & runparams)
struct TeXEnvironementData
{
LYXERR(Debug::LATEX, "TeXEnvironment... " << &*pit);
bool cjk_nested;
Layout const * style;
Language const * par_language;
Encoding const * prev_encoding;
bool leftindent_open;
};
static TeXEnvironementData prepareEnvironement(Buffer const & buf, Text const & text,
ParagraphList::const_iterator pit, odocstream & os, TexRow & texrow,
OutputParams const & runparams)
{
TeXEnvironementData data;
BufferParams const & bparams = buf.params();
@ -92,22 +99,22 @@ TeXEnvironment(Buffer const & buf,
|| (priorpit->getDepth() == pit->getDepth()
&& priorpit->layout() != pit->layout()));
Encoding const * const prev_encoding = runparams.encoding;
Language const * const par_language = pit->getParLanguage(bparams);
data.prev_encoding = runparams.encoding;
data.par_language = pit->getParLanguage(bparams);
Language const * const doc_language = bparams.language;
Language const * const prev_par_language =
(pit != paragraphs.begin())
? (use_prev_env_language ? prev_env_language_
: priorpit->getParLanguage(bparams))
: doc_language;
string par_lang = par_language->babel();
string par_lang = data.par_language->babel();
string prev_par_lang = prev_par_language->babel();
string doc_lang = doc_language->babel();
string lang_begin_command = lyxrc.language_command_begin;
string lang_end_command = lyxrc.language_command_end;
if (runparams.use_polyglossia) {
par_lang = getPolyglossiaEnvName(par_language);
par_lang = getPolyglossiaEnvName(data.par_language);
prev_par_lang = getPolyglossiaEnvName(prev_par_language);
doc_lang = getPolyglossiaEnvName(doc_language);
lang_begin_command = "\\begin{$$lang}";
@ -135,9 +142,9 @@ TeXEnvironment(Buffer const & buf,
"$$lang",
par_lang));
if (runparams.use_polyglossia
&& !par_language->polyglossiaOpts().empty())
&& !data.par_language->polyglossiaOpts().empty())
os << "["
<< from_ascii(par_language->polyglossiaOpts())
<< from_ascii(data.par_language->polyglossiaOpts())
<< "]";
// the '%' is necessary to prevent unwanted whitespace
os << "%\n";
@ -145,13 +152,13 @@ TeXEnvironment(Buffer const & buf,
}
}
bool leftindent_open = false;
data.leftindent_open = false;
if (!pit->params().leftIndent().zero()) {
os << "\\begin{LyXParagraphLeftIndent}{"
<< from_ascii(pit->params().leftIndent().asLatexString())
<< "}\n";
texrow.newline();
leftindent_open = true;
data.leftindent_open = true;
}
if (style.isEnvironment()) {
@ -178,18 +185,68 @@ TeXEnvironment(Buffer const & buf,
os << from_ascii(style.latexparam()) << '\n';
texrow.newline();
}
data.style = &style;
// in multilingual environments, the CJK tags have to be nested properly
bool cjk_nested = false;
if (par_language->encoding()->package() == Encoding::CJK &&
data.cjk_nested = false;
if (data.par_language->encoding()->package() == Encoding::CJK &&
open_encoding_ != CJK && pit->isMultiLingual(bparams)) {
if (prev_par_language->encoding()->package() == Encoding::CJK)
os << "\\begin{CJK}{" << from_ascii(par_language->encoding()->latexName())
os << "\\begin{CJK}{" << from_ascii(data.par_language->encoding()->latexName())
<< "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
open_encoding_ = CJK;
cjk_nested = true;
data.cjk_nested = true;
texrow.newline();
}
return data;
}
static void finishEnvironement(odocstream & os, TexRow & texrow,
OutputParams const & runparams, TeXEnvironementData const & data)
{
if (open_encoding_ == CJK && data.cjk_nested) {
// We need to close the encoding even if it does not change
// to do correct environment nesting
os << "\\end{CJK}\n";
texrow.newline();
open_encoding_ = none;
}
if (data.style->isEnvironment()) {
os << "\\end{" << from_ascii(data.style->latexname()) << "}\n";
texrow.newline();
prev_env_language_ = data.par_language;
if (runparams.encoding != data.prev_encoding) {
runparams.encoding = data.prev_encoding;
if (!runparams.isFullUnicode())
os << setEncoding(data.prev_encoding->iconvName());
}
}
if (data.leftindent_open) {
os << "\\end{LyXParagraphLeftIndent}\n";
texrow.newline();
prev_env_language_ = data.par_language;
if (runparams.encoding != data.prev_encoding) {
runparams.encoding = data.prev_encoding;
if (!runparams.isFullUnicode())
os << setEncoding(data.prev_encoding->iconvName());
}
}
}
ParagraphList::const_iterator
TeXEnvironment(Buffer const & buf,
Text const & text,
ParagraphList::const_iterator pit,
odocstream & os, TexRow & texrow,
OutputParams const & runparams,
TeXEnvironementData const & data)
{
LYXERR(Debug::LATEX, "TeXEnvironment... " << &*pit);
ParagraphList const & paragraphs = text.paragraphs();
ParagraphList::const_iterator par = pit;
do {
@ -235,8 +292,12 @@ TeXEnvironment(Buffer const & buf,
Layout const & style = force_plain_layout
? buf.params().documentClass().plainLayout() : par->layout();
if (style.isEnvironment()) {
TeXEnvironementData const inner_data = prepareEnvironement(buf,
text, par, os, texrow, runparams);
// Recursive call to TeXEnvironment!
par = TeXEnvironment(buf, text, par, os, texrow, runparams);
par = TeXEnvironment(buf, text, par, os, texrow, runparams,
inner_data);
finishEnvironement(os, texrow, runparams, inner_data);
} else {
TeXOnePar(buf, text, par, os, texrow, runparams);
if (par != text.paragraphs().end())
@ -245,42 +306,11 @@ TeXEnvironment(Buffer const & buf,
}
LYXERR(Debug::LATEX, "TeXDeeper...done ");
}
} while (par != paragraphs.end()
&& par->layout() == pit->layout()
&& par->params().depth() == pit->params().depth()
&& par->params().leftIndent() == pit->params().leftIndent());
if (open_encoding_ == CJK && cjk_nested) {
// We need to close the encoding even if it does not change
// to do correct environment nesting
os << "\\end{CJK}\n";
texrow.newline();
open_encoding_ = none;
}
if (style.isEnvironment()) {
os << "\\end{" << from_ascii(style.latexname()) << "}\n";
texrow.newline();
prev_env_language_ = par_language;
if (runparams.encoding != prev_encoding) {
runparams.encoding = prev_encoding;
if (!runparams.isFullUnicode())
os << setEncoding(prev_encoding->iconvName());
}
}
if (leftindent_open) {
os << "\\end{LyXParagraphLeftIndent}\n";
texrow.newline();
prev_env_language_ = par_language;
if (runparams.encoding != prev_encoding) {
runparams.encoding = prev_encoding;
if (!runparams.isFullUnicode())
os << setEncoding(prev_encoding->iconvName());
}
}
if (par != paragraphs.end())
LYXERR(Debug::LATEX, "TeXEnvironment...done " << &*par);
@ -991,8 +1021,10 @@ void latexParagraphs(Buffer const & buf,
if (layout.isEnvironment() ||
!par->params().leftIndent().zero()) {
par = TeXEnvironment(buf, text, par, os,
texrow, runparams);
TeXEnvironementData const data = prepareEnvironement(buf, text,
par, os, texrow, runparams);
par = TeXEnvironment(buf, text, par, os, texrow, runparams, data);
finishEnvironement(os, texrow, runparams, data);
} else {
TeXOnePar(buf, text, par, os, texrow, runparams, everypar);
if (par != paragraphs.end())