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(char *LocaleString)
56 LangStruct wanted_locales[SEARCH_LANG];
61 /* size_t len = strlen(LocaleString); */
68 safestrncpy(search, LocaleString, sizeof search);
69 nParts=num_tokens(search,',');
70 for (i=0; ((i<nParts)&&(i<SEARCH_LANG)); i++)
77 ls=&wanted_locales[i];
79 extract_token(&buf[0],search, i,',',16);
80 /** we are searching, if this list item has something like ;q=n*/
81 if (num_tokens(&buf[0],'=')>1) {
83 extract_token(&sbuf[0],&buf[0], 1,'=',16);
84 sbuflen=strlen(&sbuf[0]);
85 for (k=0; k<sbuflen; k++) if (sbuf[k]=='.') sbuf[k]='0';
86 ls->priority=atol(&sbuf[0]);
91 /** get the locale part */
92 extract_token(&sbuf[0],&buf[0],0,';',16);
93 /** get the lang part, which should be allways there */
94 extract_token(&ls->lang[0],&sbuf[0],0,'-',16);
95 /** get the area code if any. */
96 if (num_tokens(&sbuf[0],'-')>1) {
97 extract_token(&ls->region[0],&sbuf[0],1,'-',16);
99 else { /** no ara code? use lang code */
100 blen=strlen(&ls->lang[0]);
101 memcpy(&ls->region[0], ls->lang,blen);
102 ls->region[blen]='\0';
103 } /** area codes are uppercase */
104 blen=strlen(&ls->region[0]);
105 for (j=0; j<blen; j++)
107 int chars=toupper(ls->region[j]);
108 ls->region[j]=(char)chars;/** \todo ?! */
110 sprintf(&lbuf[0],"%s_%s",&ls->lang[0],&ls->region[0]);
112 /** check if we have this lang */
115 for (j=0; j<nLocalesLoaded; j++) {
117 /** match against the LANG part */
118 result=strcasecmp(&ls->lang[0], AvailLangLoaded[j]);
119 if ((result<0)&&(result<ls->availability)){
120 ls->availability=result;
123 /** match against lang and locale */
124 if (0==strcasecmp(&lbuf[0], AvailLangLoaded[j])){
135 for (i=0; ((i<nParts)&&(i<SEARCH_LANG)); i++) {
136 ls=&wanted_locales[i];
137 if ((ls->availability<=0)&&
138 (av<ls->availability)&&
139 (prio<ls->priority)&&
140 (ls->selectedlang!=-1)) {
141 nBest=ls->selectedlang;
147 /** fall back to C */
150 WC->selected_language=nBest;
151 lprintf(9, "language found: %s\n", AvailLangLoaded[WC->selected_language]);
154 /* TODO: we skip the language weighting so far. */
155 /* Accept-Language: 'de-de,en-us;q=0.7,en;q=0.3' */
156 /* Accept-Language: de,en-ph;q=0.8,en-us;q=0.5,de-at;q=0.3 */
157 //void httplang_to_locale(char *LocaleString)
159 // char selected_locale[16];
162 // int num_accept = 0;
164 // lprintf(9, "languageAccept: %s\n", LocaleString);
166 // strcpy(selected_locale, "C");
167 // num_accept = num_tokens(LocaleString, ',');
169 // for (i=num_accept-1; i>=0; --i) {
170 // extract_token(lang, LocaleString, i, ',', sizeof lang);
172 // /* Strip out the weights; we don't use them. Also convert
173 // * hyphens to underscores.
175 // for (j=0; j<strlen(lang); ++j) {
176 // if (lang[j] == '-') lang[j] = '_';
177 // if (lang[j] == ';') lang[j] = 0;
180 // for (j=0; j<NUM_LANGS; ++j) {
181 // if (!strncasecmp(lang, AvailLang[j], strlen(lang))) {
182 // strcpy(selected_locale, AvailLang[j]);
187 // lprintf(9, "language found: %s\n", selected_locale);
188 // set_selected_language(selected_locale);
193 * \brief show the language chooser on the login dialog
194 * depending on the browser locale change the sequence of the
197 void offer_languages(void) {
199 #ifndef HAVE_USELOCALE
200 char *Lang = getenv("LANG");
206 wprintf("<select name=\"language\" id=\"lname\" size=\"1\">\n");
208 for (i=0; i < nLocalesLoaded; ++i) {
209 #ifndef HAVE_USELOCALE
210 if (strcmp(AvailLangLoaded[i], Lang) == 0)
212 wprintf("<option %s value=%s>%s</option>\n",
213 ((WC->selected_language == i) ? "selected" : ""),
219 wprintf("</select>\n");
223 * \brief Set the selected language for this session.
224 * \param lang the locale to set.
226 void set_selected_language(const char *lang) {
229 #ifdef HAVE_USELOCALE
230 for (i=0; i<nLocalesLoaded; ++i) {
231 if (!strcasecmp(lang, AvailLangLoaded[i])) {
232 WC->selected_language = i;
239 * \brief Activate the selected language for this session.
241 void go_selected_language(void) {
242 #ifdef HAVE_USELOCALE
243 struct wcsession *WCC = WC;
244 if (WCC->selected_language < 0) return;
245 uselocale(wc_locales[WCC->selected_language]); /** switch locales */
246 textdomain(textdomain(NULL)); /** clear the cache */
250 language = getenv("LANG");
251 setlocale(LC_MESSAGES, language);
256 * \brief Deactivate the selected language for this session.
258 void stop_selected_language(void) {
259 #ifdef HAVE_USELOCALE
260 uselocale(LC_GLOBAL_LOCALE); /** switch locales */
261 textdomain(textdomain(NULL)); /** clear the cache */
265 void preset_locale(void)
267 #ifndef HAVE_USELOCALE
271 lprintf(9, "Nailing locale to %s\n", getenv("LANG"));
272 language = getenv("LANG");
273 setlocale(LC_MESSAGES, language);
278 #ifdef HAVE_USELOCALE
279 locale_t Empty_Locale;
283 * \brief Create a locale_t for each available language
285 void initialize_locales(void) {
289 #ifdef HAVE_USELOCALE
290 /* create default locale */
291 Empty_Locale = newlocale(LC_ALL_MASK, NULL, NULL);
294 for (i = 0; i < NUM_LANGS; ++i) {
296 sprintf(buf, "%s", AvailLang[i]); // locale 0 (C) is ascii, not utf-8
299 sprintf(buf, "%s.UTF8", AvailLang[i]);
301 #ifdef HAVE_USELOCALE
302 wc_locales[nLocalesLoaded] = newlocale(
303 (LC_MESSAGES_MASK|LC_TIME_MASK),
305 (((i > 0) && (wc_locales[0] != NULL)) ? wc_locales[0] : Empty_Locale)
307 if (wc_locales[nLocalesLoaded] == NULL) {
308 lprintf(1, "Error configuring locale for %s: %s\n",
314 lprintf(3, "Configured available locale: %s\n", buf);
315 AvailLangLoaded[nLocalesLoaded] = AvailLang[i];
323 void ShutdownLocale(void)
326 #ifdef HAVE_USELOCALE
327 for (i = 0; i < nLocalesLoaded; ++i) {
328 if (Empty_Locale != wc_locales[i])
329 freelocale(wc_locales[i]);
334 #else /* ENABLE_NLS */
335 /** \brief dummy for non NLS enabled systems */
336 void offer_languages(void) {
337 wprintf("English (US)");
340 /** \brief dummy for non NLS enabled systems */
341 void set_selected_language(char *lang) {
344 /** \brief dummy for non NLS enabled systems */
345 void go_selected_language(void) {
348 /** \brief dummy for non NLS enabled systems */
349 void stop_selected_language(void) {
352 void preset_locale(void)
355 #endif /* ENABLE_NLS */
358 void TmplGettext(StrBuf *Target, int nTokens, WCTemplateToken *Token)
360 StrBufAppendBufPlain(Target, _(Token->Params[0]->Start), -1, 0);