* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#include "support/debug.h"
#include "support/docstring.h"
#include "support/environment.h"
+#include "support/lstrings.h"
#include "support/Package.h"
#include "support/unicode.h"
#include <cerrno>
-using namespace std;
+# define N_(str) (str) // for marking strings to be translated
-namespace {
+using namespace std;
-using lyx::docstring;
-using lyx::from_ascii;
+namespace lyx {
void cleanTranslation(docstring & trans)
{
}
}
-}
+} // lyx
#ifdef ENABLE_NLS
# if HAVE_GETTEXT
# include <libintl.h> // use the header already in the system *EK*
# else
-# include "../../intl/libintl.h"
+# include "intl/libintl.h"
# endif
using namespace lyx::support;
namespace lyx {
-void Messages::setDefaultLanguage()
-{
- char * env_lang[5] = {"LANGUAGE", "LC_ALL", "LC_MESSAGES", "LC_MESSAGE",
- "LANG"};
- for (size_t i = 0; i != 5; ++i) {
- string const lang = getEnv(env_lang[i]);
- if (lang.empty())
- continue;
- Messages::main_lang_ = lang;
- return;
- }
- // Not found!
- LYXERR(Debug::LOCALE, "Default language not found!");
-}
-
-
-// Instanciate static member.
-string Messages::main_lang_;
-
-
// This version use the traditional gettext.
Messages::Messages(string const & l)
- : lang_(l), warned_(false)
+ : lang_(l)
{
// strip off any encoding suffix, i.e., assume 8-bit po files
size_t i = lang_.find(".");
int e = errno;
if (e) {
LYXERR(Debug::LOCALE, "Error code: " << errno << '\n'
- << "Directory : " << package().locale_dir().absFilename() << '\n'
+ << "Directory : " << package().locale_dir().absFileName() << '\n'
<< "Rtn value : " << c);
}
}
textdomain(PACKAGE);
+}
+
+
+string Messages::language() const
+{
+ // get the language from the gmo file
+ string const test = N_("[[Replace with the code of your language]]");
+ string const trans = to_utf8(get(test));
+ if (trans == test) {
+ LYXERR0("Something is weird.");
+ return string();
+ } else
+ return trans;
+}
+
+
+bool Messages::available(string const & c)
+{
+ static string locale_dir = package().locale_dir().toFilesystemEncoding();
+ string code = c;
+ // this loops at most twice
+ while (true) {
+ string const filen = locale_dir + "/" + code
+ + "/LC_MESSAGES/" PACKAGE ".mo";
+ if (FileName(filen).isReadableFile())
+ return true;
+ if (contains(code, '_'))
+ code = token(code, '_', 0);
+ else return false;
+ }
+ return false;
+
+}
+
+namespace {
+
+// Trivial wrapper around gettext()
+docstring const getText(string const & m)
+{
+ // FIXME: gettext sometimes "forgets" the ucs4_codeset we set
+ // in init(), which leads to severe message corruption (#7371)
+ // We set it again here unconditionally. A real fix must be found!
+ LATTEST(bind_textdomain_codeset(PACKAGE, ucs4_codeset));
+
+ char const * m_c = m.c_str();
+ char const * trans_c = gettext(m_c);
+ docstring trans;
+ if (!trans_c) {
+ LYXERR(Debug::LOCALE, "Undefined result from gettext for `" << m << "'.");
+ trans = from_ascii(m);
+ } else if (trans_c == m_c) {
+ //LYXERR(Debug::LOCALE, "Same as entered returned");
+ trans = from_ascii(m);
+ } else {
+ //LYXERR(Debug::LOCALE, "We got a translation");
+ // m is actually not a char const * but ucs4 data
+ trans = reinterpret_cast<char_type const *>(trans_c);
+ }
+
+ cleanTranslation(trans);
+
+ return trans;
+}
- // Reset default language;
- setDefaultLanguage();
}
return it->second;
// The string was not found, use gettext to generate it
- static string oldLC_ALL;
+ docstring trans;
if (!lang_.empty()) {
- oldLC_ALL = getEnv("LC_ALL");
// This GNU extension overrides any language locale
// wrt gettext.
LYXERR(Debug::LOCALE, "Setting LANGUAGE to " << lang_);
- if (!setEnv("LANGUAGE", lang_))
- LYXERR(Debug::LOCALE, "\t... failed!");
+ EnvChanger language_chg("LANGUAGE", lang_);
// However, setting LANGUAGE does nothing when the
// locale is "C". Therefore we set the locale to
// something that is believed to exist on most
// load German documents even without having de_DE
// installed.
LYXERR(Debug::LOCALE, "Setting LC_ALL to en_US");
- if (!setEnv("LC_ALL", "en_US"))
- LYXERR(Debug::LOCALE, "\t... failed!");
+ EnvChanger lc_all_chg("LC_ALL", "en_US");
#ifdef HAVE_LC_MESSAGES
setlocale(LC_MESSAGES, "");
#endif
- }
+ trans = getText(m);
+ } else
+ trans = getText(m);
+
- char const * m_c = m.c_str();
- char const * trans_c = gettext(m_c);
- docstring trans;
- if (!trans_c)
- LYXERR(Debug::LOCALE, "Undefined result from gettext");
- else if (trans_c == m_c) {
- //LYXERR(Debug::LOCALE, "Same as entered returned");
- trans = from_ascii(m);
- } else {
- //LYXERR(Debug::LOCALE, "We got a translation");
- // m is actually not a char const * but ucs4 data
- trans = reinterpret_cast<char_type const *>(trans_c);
- }
-
- cleanTranslation(trans);
-
- // Reset environment variables as they were.
- if (!lang_.empty()) {
- // Reset everything as it was.
- LYXERR(Debug::LOCALE, "restoring LANGUAGE from " << getEnv("LANGUAGE")
- << " to " << main_lang_);
- if (!setEnv("LANGUAGE", main_lang_))
- LYXERR(Debug::LOCALE, "\t... failed!");
- LYXERR(Debug::LOCALE, "restoring LC_ALL from " << getEnv("LC_ALL")
- << " to " << oldLC_ALL);
- if (!setEnv("LC_ALL", oldLC_ALL))
- LYXERR(Debug::LOCALE, "\t... failed!");
#ifdef HAVE_LC_MESSAGES
- setlocale(LC_MESSAGES, "");
+ setlocale(LC_MESSAGES, "");
#endif
- }
+ // store translation in cache
pair<TranslationCache::iterator, bool> result =
cache_.insert(make_pair(m, trans));
- LASSERT(result.second, /**/);
+ LASSERT(result.second, return from_utf8(m));
return result.first->second;
}
namespace lyx {
-Messages::Messages(string const & l) {}
+Messages::Messages(string const & /* l */) {}
void Messages::init()
{
return trans;
}
+std::string Messages::language() const
+ {
+ return string();
+ }
+
+bool Messages::available(string const & /* c */)
+{
+ return false;
+}
+
} // namespace lyx
#endif
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