10 #define NUM_LANGS 10 /* how many different locales do we know? */
11 #define SEARCH_LANG 20 /* how many langs should we parse? */
13 /* actual supported locales */
14 const char *AvailLang[NUM_LANGS] = {
27 const char *AvailLangLoaded[NUM_LANGS];
28 long nLocalesLoaded = 0;
31 locale_t wc_locales[NUM_LANGS]; /**< here we keep the parsed stuff */
34 /** Keep information about one locale */
35 typedef struct _lang_pref{
36 char lang[16]; /**< the language locale string */
37 char region[16]; /**< the region locale string */
38 long priority; /**< which priority does it have */
39 int availability; /**< do we know it? */
40 int selectedlang; /**< is this the selected language? */
43 /* \brief parse browser locale header
44 * seems as most browsers just do a one after coma value even if more than 10 locales are available. Sample strings:
46 * 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
48 * Accept-Language: 'de-de,en-us;q=0.7,en;q=0.3'
49 * Accept-Language: de,en-ph;q=0.8,en-us;q=0.5,de-at;q=0.3
50 * 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
51 * \param LocaleString the string from the browser http headers
54 void httplang_to_locale(StrBuf *LocaleString)
56 LangStruct wanted_locales[SEARCH_LANG];
61 /* size_t len = strlen(LocaleString); */
69 nParts=StrBufNum_tokens(LocaleString,',');
70 for (i=0; ((i<nParts)&&(i<SEARCH_LANG)); i++)
84 ls=&wanted_locales[i];
86 StrBufExtract_token(Buf,LocaleString, i,',');
87 /** we are searching, if this list item has something like ;q=n*/
88 if (StrBufNum_tokens(Buf,'=')>1) {
90 StrBufExtract_token(SBuf,Buf, 1,'=');
91 sbuflen=StrLength(SBuf);
92 for (k=0; k<sbuflen; k++)
93 if (ChrPtr(SBuf)[k]=='.')
94 StrBufPeek(SBuf, NULL, k, '0');
95 ls->priority=StrTol(SBuf);
100 /** get the locale part */
101 StrBufExtract_token(SBuf ,Buf, 0, ';');
102 /** get the lang part, which should be allways there */
103 extract_token(&ls->lang[0], ChrPtr(SBuf), 0, '-', 16);
104 /** get the area code if any. */
105 if (StrBufNum_tokens(SBuf,'-') > 1) {
106 extract_token(&ls->region[0],ChrPtr(SBuf),1,'-',16);
108 else { /** no ara code? use lang code */
109 blen=strlen(&ls->lang[0]);
110 memcpy(&ls->region[0], ls->lang,blen);
111 ls->region[blen]='\0';
112 } /** area codes are uppercase */
113 blen=strlen(&ls->region[0]);
114 for (j=0; j<blen; j++)
116 int chars=toupper(ls->region[j]);
117 ls->region[j]=(char)chars;/** \todo ?! */
119 sprintf(&lbuf[0],"%s_%s",&ls->lang[0],&ls->region[0]);
121 /** check if we have this lang */
124 for (j=0; j<nLocalesLoaded; j++) {
126 /** match against the LANG part */
127 result=strcasecmp(&ls->lang[0], AvailLangLoaded[j]);
128 if ((result<0)&&(result<ls->availability)){
129 ls->availability=result;
132 /** match against lang and locale */
133 if (0==strcasecmp(&lbuf[0], AvailLangLoaded[j])){
144 for (i=0; ((i<nParts)&&(i<SEARCH_LANG)); i++) {
145 ls=&wanted_locales[i];
146 if ((ls->availability<=0)&&
147 (av<ls->availability)&&
148 (prio<ls->priority)&&
149 (ls->selectedlang!=-1)) {
150 nBest=ls->selectedlang;
156 /** fall back to C */
159 WC->selected_language=nBest;
160 lprintf(9, "language found: %s\n", AvailLangLoaded[WC->selected_language]);
165 /* TODO: we skip the language weighting so far. */
166 /* Accept-Language: 'de-de,en-us;q=0.7,en;q=0.3' */
167 /* Accept-Language: de,en-ph;q=0.8,en-us;q=0.5,de-at;q=0.3 */
168 //void httplang_to_locale(char *LocaleString)
170 // char selected_locale[16];
173 // int num_accept = 0;
175 // lprintf(9, "languageAccept: %s\n", LocaleString);
177 // strcpy(selected_locale, "C");
178 // num_accept = num_tokens(LocaleString, ',');
180 // for (i=num_accept-1; i>=0; --i) {
181 // extract_token(lang, LocaleString, i, ',', sizeof lang);
183 // /* Strip out the weights; we don't use them. Also convert
184 // * hyphens to underscores.
186 // for (j=0; j<strlen(lang); ++j) {
187 // if (lang[j] == '-') lang[j] = '_';
188 // if (lang[j] == ';') lang[j] = 0;
191 // for (j=0; j<NUM_LANGS; ++j) {
192 // if (!strncasecmp(lang, AvailLang[j], strlen(lang))) {
193 // strcpy(selected_locale, AvailLang[j]);
198 // lprintf(9, "language found: %s\n", selected_locale);
199 // set_selected_language(selected_locale);
204 * \brief show the language chooser on the login dialog
205 * depending on the browser locale change the sequence of the
208 void offer_languages(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType) {
210 #ifndef HAVE_USELOCALE
211 char *Lang = getenv("LANG");
217 wprintf("<select name=\"language\" id=\"lname\" size=\"1\">\n");
219 for (i=0; i < nLocalesLoaded; ++i) {
220 #ifndef HAVE_USELOCALE
221 if (strcmp(AvailLangLoaded[i], Lang) == 0)
223 wprintf("<option %s value=%s>%s</option>\n",
224 ((WC->selected_language == i) ? "selected" : ""),
230 wprintf("</select>\n");
234 * \brief Set the selected language for this session.
235 * \param lang the locale to set.
237 void set_selected_language(const char *lang) {
240 #ifdef HAVE_USELOCALE
241 for (i=0; i<nLocalesLoaded; ++i) {
242 if (!strcasecmp(lang, AvailLangLoaded[i])) {
243 WC->selected_language = i;
250 * \brief Activate the selected language for this session.
252 void go_selected_language(void) {
253 #ifdef HAVE_USELOCALE
254 struct wcsession *WCC = WC;
255 if (WCC->selected_language < 0) return;
256 uselocale(wc_locales[WCC->selected_language]); /** switch locales */
257 textdomain(textdomain(NULL)); /** clear the cache */
261 language = getenv("LANG");
262 setlocale(LC_MESSAGES, language);
267 * \brief Deactivate the selected language for this session.
269 void stop_selected_language(void) {
270 #ifdef HAVE_USELOCALE
271 uselocale(LC_GLOBAL_LOCALE); /** switch locales */
272 textdomain(textdomain(NULL)); /** clear the cache */
276 void preset_locale(void)
278 #ifndef HAVE_USELOCALE
282 lprintf(9, "Nailing locale to %s\n", getenv("LANG"));
283 language = getenv("LANG");
284 setlocale(LC_MESSAGES, language);
289 #ifdef HAVE_USELOCALE
290 locale_t Empty_Locale;
294 * \brief Create a locale_t for each available language
296 void initialize_locales(void) {
300 #ifdef HAVE_USELOCALE
301 /* create default locale */
302 Empty_Locale = newlocale(LC_ALL_MASK, NULL, NULL);
305 for (i = 0; i < NUM_LANGS; ++i) {
307 sprintf(buf, "%s", AvailLang[i]); // locale 0 (C) is ascii, not utf-8
310 sprintf(buf, "%s.UTF8", AvailLang[i]);
312 #ifdef HAVE_USELOCALE
313 wc_locales[nLocalesLoaded] = newlocale(
314 (LC_MESSAGES_MASK|LC_TIME_MASK),
316 (((i > 0) && (wc_locales[0] != NULL)) ? wc_locales[0] : Empty_Locale)
318 if (wc_locales[nLocalesLoaded] == NULL) {
319 lprintf(1, "Error configuring locale for %s: %s\n",
325 lprintf(3, "Configured available locale: %s\n", buf);
326 AvailLangLoaded[nLocalesLoaded] = AvailLang[i];
334 void ShutdownLocale(void)
337 #ifdef HAVE_USELOCALE
338 for (i = 0; i < nLocalesLoaded; ++i) {
339 if (Empty_Locale != wc_locales[i])
340 freelocale(wc_locales[i]);
345 #else /* ENABLE_NLS */
346 /** \brief dummy for non NLS enabled systems */
347 void offer_languages(void) {
348 wprintf("English (US)");
351 /** \brief dummy for non NLS enabled systems */
352 void set_selected_language(char *lang) {
355 /** \brief dummy for non NLS enabled systems */
356 void go_selected_language(void) {
359 /** \brief dummy for non NLS enabled systems */
360 void stop_selected_language(void) {
363 void preset_locale(void)
366 #endif /* ENABLE_NLS */
369 void TmplGettext(StrBuf *Target, int nTokens, WCTemplateToken *Tokens)
371 StrBufAppendBufPlain(Target, _(Tokens->Params[0]->Start), -1, 0);
376 * Returns the language currently in use.
377 * This function returns a static string, so don't do anything stupid please.
379 const char *get_selected_language(void) {
381 #ifdef HAVE_USELOCALE
382 return AvailLang[WC->selected_language];