#include <config.h>
#include "Layout.h"
+#include "Encoding.h"
#include "FontInfo.h"
#include "Language.h"
#include "Lexer.h"
namespace {
-docstring const i18npreamble(Language const * lang, docstring const & templ, bool const polyglossia)
+docstring const i18npreamble(Language const * lang, Encoding const & enc,
+ docstring const & templ, bool const polyglossia)
{
if (templ.empty())
return templ;
#ifdef TEX2LYX
// tex2lyx does not have getMessages()
LASSERT(false, /**/);
+ (void)enc;
#else
+ string const langenc = lang->encoding()->iconvName();
+ string const texenc = lang->encoding()->latexName();
+ string const bufenc = enc.iconvName();
+ // 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
// 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));
+ 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])) {
+ 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, langpreamble_, polyglossia);
+ return i18npreamble(lang, enc, langpreamble_, polyglossia);
}
-docstring const Layout::babelpreamble(Language const * lang, bool const polyglossia) const
+docstring const Layout::babelpreamble(Language const * lang,
+ Encoding const & enc, bool const polyglossia) const
{
- return i18npreamble(lang, babelpreamble_, polyglossia);
+ return i18npreamble(lang, enc, babelpreamble_, polyglossia);
}