+/**
+ * \brief Set the selected language for this session.
+ * \param lang the locale to set.
+ */
+void set_selected_language(const char *lang) {
+#ifdef HAVE_USELOCALE
+ int i;
+ for (i=0; i<nLocalesLoaded; ++i) {
+ if (!strcasecmp(lang, AvailLangLoaded[i])) {
+ WC->selected_language = i;
+ }
+ }
+#endif
+}
+
+/**
+ * \brief Activate the selected language for this session.
+ */
+void go_selected_language(void) {
+#ifdef HAVE_USELOCALE
+ wcsession *WCC = WC;
+ if (WCC->selected_language < 0) return;
+ uselocale(wc_locales[WCC->selected_language]); /** switch locales */
+ textdomain(textdomain(NULL)); /** clear the cache */
+#else
+ char *language;
+
+ language = getenv("LANG");
+ setlocale(LC_MESSAGES, language);
+#endif
+}
+
+/**
+ * \brief Deactivate the selected language for this session.
+ */
+void stop_selected_language(void) {
+#ifdef HAVE_USELOCALE
+ uselocale(LC_GLOBAL_LOCALE); /** switch locales */
+ textdomain(textdomain(NULL)); /** clear the cache */
+#endif
+}
+
+#ifdef HAVE_USELOCALE
+ locale_t Empty_Locale;
+#endif
+
+/**
+ * \brief Create a locale_t for each available language
+ */
+void initialize_locales(void) {
+ int nLocales;
+ int i;
+ char buf[32];
+ char *language = NULL;
+ char *locale;
+
+
+ nLocales = 0;
+ while (!IsEmptyStr(AvailLang[nLocales]))
+ nLocales++;
+
+ language = getenv("WEBCIT_LANG");
+ if ((language) && (!IsEmptyStr(language)) && (strcmp(language, "UNLIMITED") != 0)) {
+ lprintf(9, "Nailing locale to %s\n", language);
+ }
+ else language = NULL;
+
+ AvailLangLoaded = malloc (sizeof(char*) * nLocales);
+ memset(AvailLangLoaded, 0, sizeof(char*) * nLocales);
+#ifdef HAVE_USELOCALE
+ wc_locales = malloc (sizeof(locale_t) * nLocales);
+ memset(wc_locales,0, sizeof(locale_t) * nLocales);
+ /* create default locale */
+ Empty_Locale = newlocale(LC_ALL_MASK, NULL, NULL);
+#endif
+
+
+
+
+ for (i = 0; i < nLocales; ++i) {
+ if ((language != NULL) && (strcmp(AvailLang[i], language) != 0))
+ continue;
+ if (i == 0) {
+ sprintf(buf, "%s", AvailLang[i]); /* locale 0 (C) is ascii, not utf-8 */
+ }
+ else {
+ sprintf(buf, "%s.UTF8", AvailLang[i]);
+ }
+#ifdef HAVE_USELOCALE
+ wc_locales[nLocalesLoaded] = newlocale(
+ (LC_MESSAGES_MASK|LC_TIME_MASK),
+ buf,
+ (((i > 0) && (wc_locales[0] != NULL)) ? wc_locales[0] : Empty_Locale)
+ );
+ if (wc_locales[nLocalesLoaded] == NULL) {
+ lprintf(1, "locale for "LOCALEDIR"locale/%s: %s; disabled\n",
+ buf,
+ strerror(errno)
+ );
+ }
+ else {
+ lprintf(3, "Found locale: %s\n", buf);
+ AvailLangLoaded[nLocalesLoaded] = AvailLang[i];
+ nLocalesLoaded++;
+ }
+#else
+ if ((language != NULL) && (strcmp(language, AvailLang[i]) == 0)) {
+ setenv("LANG", buf, 1);
+ AvailLangLoaded[nLocalesLoaded] = AvailLang[i];
+ setlocale(LC_MESSAGES, AvailLang[i]);
+ nLocalesLoaded++;
+ }
+ else if (nLocalesLoaded == 0) {
+ setenv("LANG", buf, 1);
+ AvailLangLoaded[nLocalesLoaded] = AvailLang[i];
+ nLocalesLoaded++;
+ }
+#endif
+ }
+ if ((language != NULL) && (nLocalesLoaded == 0)) {
+ lprintf(1, "Your selected locale [%s] isn't available on your system. falling back to C\n", language);
+#ifdef HAVE_USELOCALE
+ wc_locales[0] = newlocale(
+ (LC_MESSAGES_MASK|LC_TIME_MASK),
+ AvailLang[0],
+ Empty_Locale);
+#else
+ setlocale(LC_MESSAGES, AvailLang[0]);
+ setenv("LANG", AvailLang[0], 1);
+#endif
+ AvailLangLoaded[0] = AvailLang[0];
+ nLocalesLoaded = 1;
+ }
+#ifndef HAVE_USELOCALE
+
+
+#endif
+
+#ifdef ENABLE_NLS
+ locale = setlocale(LC_ALL, "");
+
+ lprintf(9, "Message catalog directory: %s\n", bindtextdomain("webcit", LOCALEDIR"/locale"));
+ lprintf(9, "Text domain: %s\n", textdomain("webcit"));
+ lprintf(9, "Text domain Charset: %s\n", bind_textdomain_codeset("webcit","UTF8"));
+
+#endif
+}
+
+
+void
+ServerShutdownModule_GETTEXT
+(void)
+{
+#ifdef HAVE_USELOCALE
+ int i;
+ for (i = 0; i < nLocalesLoaded; ++i) {
+ if (Empty_Locale != wc_locales[i])
+ freelocale(wc_locales[i]);
+ }
+ free(wc_locales);
+#endif
+ free(AvailLangLoaded);
+}
+
+#else /* ENABLE_NLS */
+const char *AvailLang[] = {
+ "C", ""};
+
+/** \brief dummy for non NLS enabled systems */
+void tmplput_offer_languages(StrBuf *Target, WCTemplputParams *TP)
+{
+ wc_printf("English (US)");
+}
+
+/** \brief dummy for non NLS enabled systems */
+void set_selected_language(char *lang) {
+}
+
+/** \brief dummy for non NLS enabled systems */
+void go_selected_language(void) {
+}
+
+/** \brief dummy for non NLS enabled systems */
+void stop_selected_language(void) {
+}
+
+#endif /* ENABLE_NLS */
+
+
+void TmplGettext(StrBuf *Target, WCTemplputParams *TP)
+{
+ StrBufAppendBufPlain(Target, _(TP->Tokens->Params[0]->Start), -1, 0);
+}
+
+
+/*
+ * Returns the language currently in use.
+ * This function returns a static string, so don't do anything stupid please.
+ */
+const char *get_selected_language(void) {
+#ifdef ENABLE_NLS
+#ifdef HAVE_USELOCALE
+ return AvailLang[WC->selected_language];
+#else
+ return "en";
+#endif
+#else
+ return "en";
+#endif
+}
+
+void
+InitModule_GETTEXT
+(void)
+{
+ initialize_locales();
+ RegisterNamespace("LANG:SELECT", 0, 0, tmplput_offer_languages, NULL, CTX_NONE);
+}
+
+
+void
+SessionNewModule_GETTEXT
+(wcsession *sess)
+{
+#ifdef ENABLE_NLS
+ OneHttpHeader *vLine = NULL;
+
+ if ( (sess->Hdr->HTTPHeaders != NULL)
+ && GetHash(sess->Hdr->HTTPHeaders, HKEY("ACCEPT-LANGUAGE"), (void *)&vLine)
+ && (vLine != NULL)
+ && (vLine->Val != NULL)
+ ) {
+ StrBuf *accept_language = vLine->Val;
+ httplang_to_locale(accept_language, sess);
+ }
+#endif
+}
+
+void
+SessionAttachModule_GETTEXT
+(wcsession *sess)
+{
+#ifdef ENABLE_NLS
+ go_selected_language(); /* set locale */
+#endif
+}
+
+void
+SessionDestroyModule_GETTEXT
+(wcsession *sess)
+{
+#ifdef ENABLE_NLS
+ stop_selected_language(); /* unset locale */
+#endif
+}