namespace {
-docstring const i18npreamble(Language const * lang, Language const * buflang,
+docstring const i18npreamble(Language const * lang, Encoding const & enc,
docstring const & templ, bool const polyglossia)
{
if (templ.empty())
#ifdef TEX2LYX
// tex2lyx does not have getMessages()
LASSERT(false, /**/);
+ (void)enc;
#else
- string const enc = lang->encoding()->iconvName();
+ string const langenc = lang->encoding()->iconvName();
string const texenc = lang->encoding()->latexName();
- string const bufenc = buflang->encoding()->iconvName();
+ string const bufenc = enc.iconvName();
// First and second character of plane 15 (Private Use Area)
- char const s1[5] = {0xf3, 0xb0, 0x80, 0x80, 0x00}; // U+F0000
- char const s2[5] = {0xf3, 0xb0, 0x80, 0x81, 0x00}; // U+F0001
+ string const s1 = "\xf3\xb0\x80\x80"; // U+F0000
+ string const s2 = "\xf3\xb0\x80\x81"; // U+F0001
// FIXME UNICODE
// lyx::regex is not unicode-safe.
// Should use QRegExp or (boost::u32regex, but that requires ICU)
smatch sub;
while (regex_search(preamble, sub, reg)) {
string const key = sub.str(1);
- string translated = to_utf8(lang->translateLayout(key));
- if (enc != bufenc)
- translated = "\\inputencoding{" + texenc + "}"
- + string(s1) + enc + string(s2) + translated
- + string(s1) + bufenc + string(s2);
+ 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.latexChar(name[i], true)[0] != name[i]) {
+ encodable = false;
+ break;
+ }
+ }
+ string const translated = encodable ? to_utf8(name)
+ : "\\inputencoding{" + texenc + "}"
+ + s1 + langenc + s2 + to_utf8(name)
+ + s1 + bufenc + s2;
preamble = subst(preamble, sub.str(), translated);
}
#endif
}
-docstring const Layout::langpreamble(Language const * lang, bool const polyglossia) const
+docstring const Layout::langpreamble(Language const * lang,
+ Encoding const & enc, bool const polyglossia) const
{
- return i18npreamble(lang, lang, langpreamble_, polyglossia);
+ return i18npreamble(lang, enc, langpreamble_, polyglossia);
}
docstring const Layout::babelpreamble(Language const * lang,
- Language const * buflang, bool const polyglossia) const
+ Encoding const & enc, bool const polyglossia) const
{
- return i18npreamble(lang, buflang, babelpreamble_, polyglossia);
+ return i18npreamble(lang, enc, babelpreamble_, polyglossia);
}