mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-12-26 22:17:41 +00:00
Refine fix for bug #5096: Language switch fails in environments.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@30800 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Enrico Forestieri
parent
42c622a3e7
commit
e96dbacfee
@ -94,6 +94,74 @@ TeXDeeper(Buffer const & buf,
|
||||
}
|
||||
|
||||
|
||||
Language const *
|
||||
priorLanguage(ParagraphList::const_iterator const pit,
|
||||
ParagraphList::const_iterator const priorpit,
|
||||
ParagraphList::const_iterator const pars_begin,
|
||||
BufferParams const & bparams)
|
||||
{
|
||||
ParagraphList::const_iterator outpit = priorpit;
|
||||
ParagraphList::const_iterator refpit = priorpit;
|
||||
|
||||
// We go back until the depth kept increasing or the current layout
|
||||
// matches the reference one. When the depth decreases, we should stop
|
||||
// only if we started from inside the enclosing environment, otherwise
|
||||
// we should continue to go back.
|
||||
|
||||
bool topped = false;
|
||||
depth_type const refdepth =
|
||||
priorpit->getDepth() ? priorpit->getDepth() - 1 : 0;
|
||||
while (outpit != pars_begin
|
||||
&& (outpit->hasSameLayout(*refpit)
|
||||
|| outpit->getDepth() > pit->getDepth())) {
|
||||
outpit = boost::prior(outpit);
|
||||
if (outpit->getDepth() == pit->getDepth()
|
||||
&& outpit->layout() == pit->layout()
|
||||
&& (priorpit->getAlign() != priorpit->layout().align
|
||||
|| priorpit->getDepth() > pit->getDepth())) {
|
||||
// After skipping either a nested or non-default
|
||||
// aligned environment, we ended at an environment with
|
||||
// same layout and nesting depth as the current one.
|
||||
break;
|
||||
}
|
||||
if (outpit->getDepth() == refdepth) {
|
||||
if (outpit->getDepth() >= pit->getDepth()
|
||||
&& (priorpit->getDepth() > pit->getDepth()
|
||||
|| outpit->layout() == refpit->layout())) {
|
||||
// The prior environment was nested in
|
||||
// another one, or was enclosing some other
|
||||
// one, or we are still in it. In any case,
|
||||
// we still have to go back.
|
||||
refpit = outpit;
|
||||
} else {
|
||||
topped = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
ParagraphList::const_iterator const inpit =
|
||||
topped ? refpit : boost::next(outpit);
|
||||
// Check if we stopped at the first paragraph,
|
||||
// but we should still go back.
|
||||
topped = !topped && (outpit == pars_begin
|
||||
&& (outpit->hasSameLayout(*refpit)
|
||||
|| outpit->getDepth() > pit->getDepth())
|
||||
&& !(outpit->getDepth() == pit->getDepth()
|
||||
&& outpit->layout() == pit->layout()
|
||||
&& (priorpit->getAlign() != priorpit->layout().align
|
||||
|| priorpit->getDepth() > pit->getDepth())));
|
||||
Language const * const outenv_language =
|
||||
topped ? bparams.language
|
||||
: outpit->getParLanguage(bparams);
|
||||
Language const * const inenv_language =
|
||||
topped ? outpit->getParLanguage(bparams)
|
||||
: inpit->getParLanguage(bparams);
|
||||
if (outenv_language->babel() != inenv_language->babel())
|
||||
return inenv_language;
|
||||
return outenv_language;
|
||||
}
|
||||
|
||||
|
||||
ParagraphList::const_iterator
|
||||
TeXEnvironment(Buffer const & buf,
|
||||
Text const & text,
|
||||
@ -111,13 +179,21 @@ TeXEnvironment(Buffer const & buf,
|
||||
bparams.documentClass().plainLayout() : pit->layout();
|
||||
|
||||
ParagraphList const & paragraphs = text.paragraphs();
|
||||
ParagraphList::const_iterator const priorpit =
|
||||
pit == paragraphs.begin() ? pit : boost::prior(pit);
|
||||
|
||||
Language const * const par_language = pit->getParLanguage(bparams);
|
||||
Language const * const doc_language = bparams.language;
|
||||
Language const * const prior_language =
|
||||
(pit != paragraphs.begin() && priorpit != paragraphs.begin()
|
||||
&& priorpit->getDepth() >= pit->getDepth()
|
||||
&& !priorpit->hasSameLayout(*pit)
|
||||
&& !priorpit->layout().isParagraph())
|
||||
? priorLanguage(pit, priorpit, paragraphs.begin(), bparams)
|
||||
: priorpit->getParLanguage(bparams);
|
||||
Language const * const prev_par_language =
|
||||
(pit != paragraphs.begin())
|
||||
? boost::prior(pit)->getParLanguage(bparams)
|
||||
: doc_language;
|
||||
(pit != paragraphs.begin()) ? prior_language : doc_language;
|
||||
|
||||
if (par_language->babel() != prev_par_language->babel()) {
|
||||
|
||||
if (!lyxrc.language_command_end.empty() &&
|
||||
@ -336,46 +412,25 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
|
||||
Language const * const outer_language =
|
||||
(runparams.local_font != 0) ?
|
||||
runparams.local_font->language() : doc_language;
|
||||
// The previous language that was in effect is either the language of
|
||||
// the previous paragraph, if there is one, or else the outer language
|
||||
// if there is no previous paragraph
|
||||
Language const * prev_language =
|
||||
(pit != paragraphs.begin()) ?
|
||||
priorpit->getParLanguage(bparams) : outer_language;
|
||||
|
||||
// When the language is changed at the very start of a LyX environment,
|
||||
// the language switch in the LaTeX code occurs just before switching to
|
||||
// the corresponding LaTeX environment. So, when the environment ends,
|
||||
// we have to properly restore the language that was in effect.
|
||||
bool env_lang_switch = false;
|
||||
if (!priorpit->hasSameLayout(*pit)) {
|
||||
ParagraphList::const_iterator outpit = priorpit;
|
||||
while (outpit != paragraphs.begin()
|
||||
&& (outpit->hasSameLayout(*priorpit)
|
||||
|| outpit->getDepth() > pit->getDepth()
|
||||
|| outpit->getAlign() != outpit->layout().align))
|
||||
outpit = boost::prior(outpit);
|
||||
ParagraphList::const_iterator inpit = boost::next(outpit);
|
||||
bool topped = outpit == paragraphs.begin()
|
||||
&& (outpit->hasSameLayout(*priorpit)
|
||||
|| outpit->getDepth() > pit->getDepth()
|
||||
|| outpit->getAlign() != outpit->layout().align
|
||||
|| outpit->layout().isEnvironment());
|
||||
Language const * const outenv_language = topped ?
|
||||
outer_language
|
||||
: outpit->getParLanguage(bparams);
|
||||
Language const * const inenv_language = topped ?
|
||||
outpit->getParLanguage(bparams)
|
||||
: inpit->getParLanguage(bparams);
|
||||
if (outenv_language->babel() != inenv_language->babel()) {
|
||||
if (inenv_language->babel() != par_language->babel())
|
||||
env_lang_switch = true;
|
||||
prev_language = inenv_language;
|
||||
} else
|
||||
prev_language = outenv_language;
|
||||
}
|
||||
// The language that was in effect before the current paragraph.
|
||||
Language const * const prior_language =
|
||||
(pit != paragraphs.begin() && priorpit != paragraphs.begin()
|
||||
&& priorpit->getDepth() >= pit->getDepth()
|
||||
&& !priorpit->hasSameLayout(*pit)
|
||||
&& !priorpit->layout().isParagraph())
|
||||
? priorLanguage(pit, priorpit, paragraphs.begin(), bparams)
|
||||
: priorpit->getParLanguage(bparams);
|
||||
|
||||
if ((par_language->babel() != prev_language->babel() || env_lang_switch)
|
||||
// The previous language that was in effect is the language of the
|
||||
// previous paragraph, unless the previous paragraph is inside an
|
||||
// environment and the current one is nested in it but with a lower
|
||||
// depth. If there is no previous paragraph, the previous language
|
||||
// is the outer language.
|
||||
Language const * const prev_language =
|
||||
(pit != paragraphs.begin()) ? prior_language : outer_language;
|
||||
|
||||
if (par_language->babel() != prev_language->babel()
|
||||
// check if we already put language command in TeXEnvironment()
|
||||
&& !(style.isEnvironment()
|
||||
&& (pit == paragraphs.begin() ||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user