void ASLocalizer::setLanguageFromLCID(size_t lcid)
// Windows get the language to use from the user locale.
// NOTE: GetUserDefaultLocaleName() gets nearly the same name as Linux.
// But it needs Windows Vista or higher.
// Same with LCIDToLocaleName().
{
m_lcid = lcid;
m_langID = "en"; // default to english
size_t lang = PRIMARYLANGID(LANGIDFROMLCID(m_lcid));
size_t sublang = SUBLANGID(LANGIDFROMLCID(m_lcid));
// find language in the wlc table
size_t count = sizeof(wlc) / sizeof(wlc[0]);
for (size_t i = 0; i < count; i++)
{
if (wlc[i].winLang == lang)
{
m_langID = wlc[i].canonicalLang;
break;
}
}
if (m_langID == "zh")
{
if (sublang == SUBLANG_CHINESE_SIMPLIFIED || sublang == SUBLANG_CHINESE_SINGAPORE)
m_subLangID = "CHS";
else
m_subLangID = "CHT"; // default
}
setTranslationClass();
}
ASLocalizer::ASLocalizer()
// Set the locale information.
{
// set language default values to english (ascii)
// this will be used if a locale or a language cannot be found
m_localeName = "UNKNOWN";
m_langID = "en";
m_lcid = 0;
m_subLangID.clear();
m_translation = NULL;
// Not all compilers support the C++ function locale::global(locale(""));
// For testing on Windows change the "Region and Language" settings or use AppLocale.
// For testing on Linux change the LANG environment variable: LANG=fr_FR.UTF-8.
// setlocale() will use the LANG environment variable on Linux.
char* localeName = setlocale(LC_ALL, "");
if (localeName == NULL) // use the english (ascii) defaults
{
fprintf(stderr, "\n%s\n\n", "Cannot set native locale, reverting to English");
setTranslationClass();
return;
}
// set the class variables
#ifdef _WIN32
size_t lcid = GetUserDefaultLCID();
setLanguageFromLCID(lcid);
#else
setLanguageFromName(localeName);
#endif
}
void ASLocalizer::setLanguageFromName(const char* langID)
// Linux set the language to use from the langID.
//
// the language string has the following form
//
// lang[_LANG][.encoding][@modifier]
//
// (see environ(5) in the Open Unix specification)
//
// where lang is the primary language, LANG is a sublang/territory,
// encoding is the charset to use and modifier "allows the user to select
// a specific instance of localization data within a single category"
//
// for example, the following strings are valid:
// fr
// fr_FR
// de_DE.iso88591
// de_DE@euro
// de_DE.iso88591@euro
{
// the constants describing the format of lang_LANG locale string
static const size_t LEN_LANG = 2;
static const size_t LEN_SUBLANG = 2;
m_lcid = 0;
string langStr = langID;
m_langID = langStr.substr(0, LEN_LANG);
// need the sublang for chinese
if (m_langID == "zh" && langStr[LEN_LANG] == '_')
{
string subLang = langStr.substr(LEN_LANG + 1, LEN_SUBLANG);
if (subLang == "CN" || subLang == "SG")
m_subLangID = "CHS";
else
m_subLangID = "CHT"; // default
}
setTranslationClass();
}
