+++ /dev/null
-/*
- * Copyright (c) 1996-2012 by the citadel.org team
- *
- * This program is open source software. You can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 3.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include "webcit.h"
-#include "webserver.h"
-#define SEARCH_LANG 20 /* how many langs should we parse? */
-
-#ifdef ENABLE_NLS
-/* actual supported locales */
-const char *AvailLang[] = {
- "en_US",
- "ar_AE",
- "bg_BG",
- "cs_CZ",
- "en_US",
- "da_DK",
- "de_DE",
- "el_GR",
- "en_GB",
- "es_ES",
- "et_EE",
- "fi_FI",
- "fr_FR",
- "hu_HU",
- "it_IT",
- "ko_KO",
- "nl_NL",
- "pl_PL",
- "pt_BR",
- "ru_RU",
- "zh_CN",
- "he_IL",
- "kk_KK",
- "ro_RO",
- "sl_SL",
- "tr_TR",
- ""
-};
-
-const char **AvailLangLoaded;
-long nLocalesLoaded = 0;
-
-#ifdef HAVE_USELOCALE
-locale_t *wc_locales; /* here we keep the parsed stuff */
-#endif
-
-/* Keep information about one locale */
-typedef struct _lang_pref {
- char lang[16]; /* the language locale string */
- char region[16]; /* the region locale string */
- long priority; /* which priority does it have */
- int availability; /* do we know it? */
- int selectedlang; /* is this the selected language? */
-} LangStruct;
-
-/* parse browser locale header
- *
- * seems as most browsers just do a one after comma value even if more than 10 locales are available. Sample strings:
- * opera:
- * Accept-Language: sq;q=1.0,de;q=0.9,as;q=0.8,ar;q=0.7,bn;q=0.6,zh-cn;q=0.5,kn;q=0.4,ch;q=0.3,fo;q=0.2,gn;q=0.1,ce;q=0.1,ie;q=0.1
- * Firefox
- * Accept-Language: 'de-de,en-us;q=0.7,en;q=0.3'
- * Accept-Language: de,en-ph;q=0.8,en-us;q=0.5,de-at;q=0.3
- * Accept-Language: de,en-us;q=0.9,it;q=0.9,de-de;q=0.8,en-ph;q=0.7,de-at;q=0.7,zh-cn;q=0.6,cy;q=0.5,ar-om;q=0.5,en-tt;q=0.4,xh;q=0.3,nl-be;q=0.3,cs;q=0.2,sv;q=0.1,tk;q=0.1
- */
-
-void httplang_to_locale(StrBuf *LocaleString, wcsession *sess)
-{
- LangStruct wanted_locales[SEARCH_LANG];
- LangStruct *ls;
-
- long len;
- int i = 0;
- int j = 0;
- /* size_t len = strlen(LocaleString); */
- long prio;
- int av;
- int nBest;
- int nParts;
- StrBuf *Buf = NULL;
- StrBuf *SBuf = NULL;
-
- nParts = StrBufNum_tokens(LocaleString, ',');
- for (i=0; ((i<nParts) && (i < SEARCH_LANG)); i++)
- {
- char lbuf[32];
- int blen;
-
- if (Buf == NULL) {
- Buf = NewStrBuf();
- SBuf = NewStrBuf();
- }
- else {
- FlushStrBuf(Buf);
- FlushStrBuf(SBuf);
- }
-
- ls = &wanted_locales[i];
-
- StrBufExtract_token(Buf, LocaleString, i, ',');
- /* we are searching, if this list item has something like ;q=n*/
- if (StrBufNum_tokens(Buf, '=') > 1) {
- int sbuflen, k;
- StrBufExtract_token(SBuf, Buf, 1, '=');
- sbuflen = StrLength(SBuf);
- for (k = 0; k < sbuflen; k++) {
- if (ChrPtr(SBuf)[k] == '.') {
- StrBufPeek(SBuf, NULL, k, '0');
- }
- }
- ls->priority = StrTol(SBuf);
- }
- else {
- ls->priority = 1000;
- }
-
- /* get the locale part */
- StrBufExtract_token(SBuf, Buf, 0, ';');
-
- /* get the lang part, which should be allways there */
- extract_token(ls->lang,
- ChrPtr(SBuf),
- 0, '-',
- sizeof(ls->lang));
-
- /* get the area code if any. */
- if (StrBufNum_tokens(SBuf, '-') > 1) {
- extract_token(ls->region,
- ChrPtr(SBuf),
- 1, '-',
- sizeof(ls->region)
- );
- }
- else { /* no ara code? use lang code */
- blen = strlen(ls->lang);
- memcpy(ls->region, ls->lang, blen);
- ls->region[blen] = '\0';
- }
-
- /* area codes are uppercase */
- blen = strlen(&ls->region[0]);
- for (j = 0; j < blen; j++)
- {
- int chars;
- chars = toupper(ls->region[j]);
- ls->region[j] = (char)chars; /* todo ? */
- }
- snprintf(lbuf,
- sizeof(lbuf),
- "%s_%s",
- ls->lang,
- ls->region);
-
- /* check if we have this lang */
- ls->availability = 1;
- ls->selectedlang = -1;
- len = strlen(ls->lang);
- for (j = 0; j < nLocalesLoaded; j++) {
- int result;
- /* match against the LANG part */
- result = strncasecmp(ls->lang, AvailLangLoaded[j], len);
- if ((result == 0) && (result < ls->availability)){
- ls->availability = result;
- ls->selectedlang = j;
- }
- /* match against lang and locale */
- if (0 == strcasecmp(lbuf, AvailLangLoaded[j])){
- ls->availability = 0;
- ls->selectedlang = j;
- j = nLocalesLoaded;
- }
- }
- }
-
- prio = 0;
- av = -1000;
- nBest = -1;
- for (i = 0; ((i < nParts) && (i<SEARCH_LANG)); i++) {
- ls = &wanted_locales[i];
- if ( (ls->availability <= 0)
- && (av < ls->availability)
- && (prio < ls->priority)
- && (ls->selectedlang != -1)
- ) {
- nBest = ls->selectedlang;
- av = ls->availability;
- prio = ls->priority;
- }
- }
- if (nBest == -1) {
- /* fall back to C */
- nBest=0;
- }
- sess->selected_language = nBest;
- syslog(LOG_DEBUG, "language found: %s", AvailLangLoaded[sess->selected_language]);
- FreeStrBuf(&Buf);
- FreeStrBuf(&SBuf);
-}
-
-
-/*
- * show the language chooser on the login dialog
- * depending on the browser locale change the sequence of the
- * language chooser.
- */
-void tmplput_offer_languages(StrBuf *Target, WCTemplputParams *TP)
-{
- int i;
-#ifndef HAVE_USELOCALE
- char *Lang = getenv("LANG");
-
- if (Lang == NULL)
- Lang = "C";
-#endif
-
- if (nLocalesLoaded == 1) {
- wc_printf("<p>%s</p>", AvailLangLoaded[0]);
- return;
- }
-
- wc_printf("<select name=\"language\" id=\"lname\" size=\"1\" onChange=\"switch_to_lang($('lname').value);\">\n");
-
- for (i=0; i < nLocalesLoaded; ++i) {
-#ifndef HAVE_USELOCALE
- if (strcmp(AvailLangLoaded[i], Lang) == 0)
-#endif
- wc_printf("<option %s value=%s>%s</option>\n",
- ((WC->selected_language == i) ? "selected" : ""),
- AvailLangLoaded[i],
- AvailLangLoaded[i]
- );
- }
-
- wc_printf("</select>\n");
-}
-
-/*
- * Set the selected language for this session.
- */
-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;
- break;
- }
- }
-#endif
-}
-
-/*
- * Activate the selected language for this session.
- */
-void go_selected_language(void) {
-#ifdef HAVE_USELOCALE
- wcsession *WCC = WC;
- if (WCC->selected_language < 0)
- {
- httplang_to_locale(WCC->Hdr->HR.browser_language, WCC);
- 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
-}
-
-/*
- * 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
-
-/*
- * Create a locale_t for each available language
- */
-void initialize_locales(void) {
- int nLocales;
- int i;
- char buf[32];
- char *language = NULL;
-
- nLocales = 0;
- while (!IsEmptyStr(AvailLang[nLocales]))
- nLocales++;
-
- language = getenv("WEBCIT_LANG");
- if ((language) && (!IsEmptyStr(language)) && (strcmp(language, "UNLIMITED") != 0)) {
- syslog(LOG_INFO, "Nailing locale to %s", 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, "C"); /* 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) {
- syslog(LOG_NOTICE, "locale for %s disabled: %s", buf, strerror(errno));
- }
- else {
- syslog(LOG_INFO, "Found locale: %s - %s", buf, AvailLang[i]);
- 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)) {
- syslog(LOG_WARNING, "Your selected locale [%s] isn't available on your system. falling back to C", 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;
- }
-
-#ifdef ENABLE_NLS
- setlocale(LC_ALL, "");
- syslog(LOG_DEBUG, "Text domain: %s", textdomain("webcit"));
- syslog(LOG_DEBUG, "Text domain Charset: %s", bind_textdomain_codeset("webcit", "UTF8"));
- syslog(LOG_DEBUG, "Message catalog directory: %s", bindtextdomain(textdomain(NULL), LOCALEDIR"/locale"));
-#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",
- ""
-};
-
-/* dummy for non NLS enabled systems */
-void
-ServerShutdownModule_GETTEXT
-(void)
-{
-}
-
-
-void tmplput_offer_languages(StrBuf *Target, WCTemplputParams *TP)
-{
- wc_printf("English (US)");
-}
-
-/* dummy for non NLS enabled systems */
-void set_selected_language(const char *lang) {
-}
-
-/* dummy for non NLS enabled systems */
-void go_selected_language(void) {
-}
-
-/* dummy for non NLS enabled systems */
-void stop_selected_language(void) {
-}
-
-void initialize_locales(void) {
-}
-
-#endif /* ENABLE_NLS */
-
-void TmplGettext(StrBuf *Target, WCTemplputParams *TP)
-{
- const char *Text = _(TP->Tokens->Params[0]->Start);
-
- StrBufAppendTemplateStr(Target, TP, Text, 1);
-}
-
-
-/*
- * 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 AvailLangLoaded[WC->selected_language];
-#else
- return "en";
-#endif
-#else
- return "en";
-#endif
-}
-
-
-void Header_HandleAcceptLanguage(StrBuf *Line, ParsedHttpHdrs *hdr)
-{
- hdr->HR.browser_language = Line;
-}
-
-
-void
-InitModule_GETTEXT
-(void)
-{
- initialize_locales();
-
- RegisterHeaderHandler(HKEY("ACCEPT-LANGUAGE"),
- Header_HandleAcceptLanguage);
-
- RegisterNamespace("LANG:SELECT", 0, 0,
- tmplput_offer_languages, NULL, CTX_NONE);
-}
-
-
-void
-SessionNewModule_GETTEXT
-(wcsession *sess)
-{
-#ifdef ENABLE_NLS
- if ( (sess != NULL)
- && (!sess->Hdr->HR.Static)
- && (sess->Hdr->HR.browser_language != NULL)
- ) {
- httplang_to_locale(sess->Hdr->HR.browser_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
-}
projects / citadel.git / blobdiff