The listings package employs some dirty tricks internally, therefore it does
not work with utf8 encoding, but requires fixed width encodings. This version
of the fix uses ugly hardcoding instead of a layout file format change, so it
could be backported if needed.
docstring const i18npreamble(docstring const & templ, Language const * lang,
docstring const i18npreamble(docstring const & templ, Language const * lang,
- Encoding const & enc, bool const polyglossia)
+ Encoding const & enc, bool const polyglossia,
+ bool const need_fixedwidth)
{
if (templ.empty())
return templ;
{
if (templ.empty())
return templ;
string const langenc = lang->encoding()->iconvName();
string const texenc = lang->encoding()->latexName();
string const bufenc = enc.iconvName();
string const langenc = lang->encoding()->iconvName();
string const texenc = lang->encoding()->latexName();
string const bufenc = enc.iconvName();
+ Encoding const * testenc(&enc);
+ bool lang_fallback = false;
+ bool ascii_fallback = false;
+ if (need_fixedwidth && !enc.hasFixedWidth()) {
+ if (lang->encoding()->hasFixedWidth()) {
+ testenc = lang->encoding();
+ lang_fallback = true;
+ } else {
+ // We need a fixed width encoding, but both the buffer
+ // encoding and the language encoding are variable
+ // width. As a last fallback, try to convert to pure
+ // ASCII using the LaTeX commands defined in unicodesymbols.
+ testenc = encodings.fromLyXName("ascii");
+ if (!testenc)
+ return docstring();
+ ascii_fallback = true;
+ }
+ }
// First and second character of plane 15 (Private Use Area)
string const s1 = "\xf3\xb0\x80\x80"; // U+F0000
string const s2 = "\xf3\xb0\x80\x81"; // U+F0001
// First and second character of plane 15 (Private Use Area)
string const s1 = "\xf3\xb0\x80\x80"; // U+F0000
string const s2 = "\xf3\xb0\x80\x81"; // U+F0001
docstring const name = lang->translateLayout(key);
// Check whether name can be encoded in the buffer encoding
bool encodable = true;
docstring const name = lang->translateLayout(key);
// Check whether name can be encoded in the buffer encoding
bool encodable = true;
- for (size_t i = 0; i < name.size(); ++i) {
- if (!enc.encodable(name[i])) {
+ for (size_t i = 0; i < name.size() && encodable; ++i)
+ if (!testenc->encodable(name[i]))
- break;
- }
- }
- string const translated = encodable ? to_utf8(name)
- : "\\inputencoding{" + texenc + "}"
- + s1 + langenc + s2 + to_utf8(name)
- + s1 + bufenc + s2;
+ string translated;
+ if (encodable && !lang_fallback)
+ translated = to_utf8(name);
+ else if (ascii_fallback)
+ translated = to_ascii(testenc->latexString(name).first);
+ else
+ translated = "\\inputencoding{" + texenc + "}"
+ + s1 + langenc + s2 + to_utf8(name)
+ + s1 + bufenc + s2;
preamble = subst(preamble, sub.str(), translated);
}
return from_utf8(preamble);
preamble = subst(preamble, sub.str(), translated);
}
return from_utf8(preamble);
snippets.insert(i18npreamble(tclass[*cit].langpreamble(),
buffer().language(),
buffer().params().encoding(),
snippets.insert(i18npreamble(tclass[*cit].langpreamble(),
buffer().language(),
buffer().params().encoding(),
+ use_polyglossia, false));
// commands for language changing (for multilanguage documents)
if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
snippets.insert(i18npreamble(
tclass[*cit].babelpreamble(),
buffer().language(),
buffer().params().encoding(),
// commands for language changing (for multilanguage documents)
if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
snippets.insert(i18npreamble(
tclass[*cit].babelpreamble(),
buffer().language(),
buffer().params().encoding(),
+ use_polyglossia, false));
for (lang_it lit = lbeg; lit != lend; ++lit)
snippets.insert(i18npreamble(
tclass[*cit].babelpreamble(),
*lit,
buffer().params().encoding(),
for (lang_it lit = lbeg; lit != lend; ++lit)
snippets.insert(i18npreamble(
tclass[*cit].babelpreamble(),
*lit,
buffer().params().encoding(),
+ use_polyglossia, false));
}
}
if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
}
}
if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
if (it == ils.end())
continue;
TextClass::InsetLayouts::const_iterator it = ils.find(*cit);
if (it == ils.end())
continue;
+ // The listings package does not work with variable width
+ // encodings, only with fixed width encodings. Therefore we
+ // need to force a fixed width encoding for
+ // \lstlistlistingname and \lstlistingname (bug 9382).
+ // This needs to be consistent with InsetListings::latex().
+ docstring const ilname = it->second.name();
+ bool const need_fixedwidth = !runparams_.isFullUnicode() &&
+ (ilname == "Listings" ||
+ ilname == "Include:Listings" ||
+ ilname == "TOC:Listings");
// language dependent commands (once per document)
snippets.insert(i18npreamble(it->second.langpreamble(),
buffer().language(),
buffer().params().encoding(),
// language dependent commands (once per document)
snippets.insert(i18npreamble(it->second.langpreamble(),
buffer().language(),
buffer().params().encoding(),
+ use_polyglossia, need_fixedwidth));
// commands for language changing (for multilanguage documents)
if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
snippets.insert(i18npreamble(
it->second.babelpreamble(),
buffer().language(),
buffer().params().encoding(),
// commands for language changing (for multilanguage documents)
if ((use_babel || use_polyglossia) && !UsedLanguages_.empty()) {
snippets.insert(i18npreamble(
it->second.babelpreamble(),
buffer().language(),
buffer().params().encoding(),
+ use_polyglossia, need_fixedwidth));
for (lang_it lit = lbeg; lit != lend; ++lit)
snippets.insert(i18npreamble(
it->second.babelpreamble(),
*lit,
buffer().params().encoding(),
for (lang_it lit = lbeg; lit != lend; ++lit)
snippets.insert(i18npreamble(
it->second.babelpreamble(),
*lit,
buffer().params().encoding(),
+ use_polyglossia, need_fixedwidth));
// listings package cannot deal with multi-byte-encoded
// glyphs (not needed with full-unicode aware backends
// such as XeTeX).
// listings package cannot deal with multi-byte-encoded
// glyphs (not needed with full-unicode aware backends
// such as XeTeX).
+ // This needs to be consistent with
+ // LaTeXFeatures::getTClassI18nPreamble().
Language const * const outer_language =
(runparams.local_font != 0) ?
runparams.local_font->language()
Language const * const outer_language =
(runparams.local_font != 0) ?
runparams.local_font->language()