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]);
166 * \brief show the language chooser on the login dialog
167 * depending on the browser locale change the sequence of the
170 void tmplput_offer_languages(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType) {
172 #ifndef HAVE_USELOCALE
173 char *Lang = getenv("LANG");
179 wprintf("<select name=\"language\" id=\"lname\" size=\"1\">\n");
181 for (i=0; i < nLocalesLoaded; ++i) {
182 #ifndef HAVE_USELOCALE
183 if (strcmp(AvailLangLoaded[i], Lang) == 0)
185 wprintf("<option %s value=%s>%s</option>\n",
186 ((WC->selected_language == i) ? "selected" : ""),
192 wprintf("</select>\n");
196 * \brief Set the selected language for this session.
197 * \param lang the locale to set.
199 void set_selected_language(const char *lang) {
202 #ifdef HAVE_USELOCALE
203 for (i=0; i<nLocalesLoaded; ++i) {
204 if (!strcasecmp(lang, AvailLangLoaded[i])) {
205 WC->selected_language = i;
212 * \brief Activate the selected language for this session.
214 void go_selected_language(void) {
215 #ifdef HAVE_USELOCALE
217 if (WCC->selected_language < 0) return;
218 uselocale(wc_locales[WCC->selected_language]); /** switch locales */
219 textdomain(textdomain(NULL)); /** clear the cache */
223 language = getenv("LANG");
224 setlocale(LC_MESSAGES, language);
229 * \brief Deactivate the selected language for this session.
231 void stop_selected_language(void) {
232 #ifdef HAVE_USELOCALE
233 uselocale(LC_GLOBAL_LOCALE); /** switch locales */
234 textdomain(textdomain(NULL)); /** clear the cache */
238 void preset_locale(void)
240 #ifndef HAVE_USELOCALE
244 lprintf(9, "Nailing locale to %s\n", getenv("LANG"));
245 language = getenv("LANG");
246 setlocale(LC_MESSAGES, language);
251 #ifdef HAVE_USELOCALE
252 locale_t Empty_Locale;
256 * \brief Create a locale_t for each available language
258 void initialize_locales(void) {
262 #ifdef HAVE_USELOCALE
263 /* create default locale */
264 Empty_Locale = newlocale(LC_ALL_MASK, NULL, NULL);
267 for (i = 0; i < NUM_LANGS; ++i) {
269 sprintf(buf, "%s", AvailLang[i]); /* locale 0 (C) is ascii, not utf-8 */
272 sprintf(buf, "%s.UTF8", AvailLang[i]);
274 #ifdef HAVE_USELOCALE
275 wc_locales[nLocalesLoaded] = newlocale(
276 (LC_MESSAGES_MASK|LC_TIME_MASK),
278 (((i > 0) && (wc_locales[0] != NULL)) ? wc_locales[0] : Empty_Locale)
280 if (wc_locales[nLocalesLoaded] == NULL) {
281 lprintf(1, "Error configuring locale for %s: %s\n",
287 lprintf(3, "Configured available locale: %s\n", buf);
288 AvailLangLoaded[nLocalesLoaded] = AvailLang[i];
296 void ShutdownLocale(void)
299 #ifdef HAVE_USELOCALE
300 for (i = 0; i < nLocalesLoaded; ++i) {
301 if (Empty_Locale != wc_locales[i])
302 freelocale(wc_locales[i]);
307 #else /* ENABLE_NLS */
308 /** \brief dummy for non NLS enabled systems */
309 void tmplput_offer_languages(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType) {
310 wprintf("English (US)");
313 /** \brief dummy for non NLS enabled systems */
314 void set_selected_language(char *lang) {
317 /** \brief dummy for non NLS enabled systems */
318 void go_selected_language(void) {
321 /** \brief dummy for non NLS enabled systems */
322 void stop_selected_language(void) {
325 void preset_locale(void)
328 #endif /* ENABLE_NLS */
331 void TmplGettext(StrBuf *Target, int nTokens, WCTemplateToken *Tokens)
333 StrBufAppendBufPlain(Target, _(Tokens->Params[0]->Start), -1, 0);
338 * Returns the language currently in use.
339 * This function returns a static string, so don't do anything stupid please.
341 const char *get_selected_language(void) {
343 #ifdef HAVE_USELOCALE
344 return AvailLang[WC->selected_language];
357 RegisterNamespace("LANG:SELECT", 0, 0, tmplput_offer_languages, CTX_NONE);