/*
- * $Id
+ * $Id$
*/
-/**
- * \defgroup LocaleHeaderParser Parse the browser http locale headers and set the NLS stuff.
- * \ingroup WebcitHttpServer
- */
-/*@{*/
+
#include "webcit.h"
#include "webserver.h"
#ifdef ENABLE_NLS
-
-#define NUM_LANGS 8 /**< how many different locales do we know? */
-#define SEARCH_LANG 20 /**< how many langs should we parse? */
-
-/** actual supported locales */
-char *AvailLang[NUM_LANGS] = {
+/* actual supported locales */
+const char *AvailLang[NUM_LANGS] = {
"C",
"en_US",
"de_DE",
"es_ES",
"en_GB",
"da_DK",
- "fr_FR"
+ "fr_FR",
+ "nl_NL",
+ "pt_BR"
};
+const char *AvailLangLoaded[NUM_LANGS];
+long nLocalesLoaded = 0;
+
+#ifdef HAVE_USELOCALE
locale_t wc_locales[NUM_LANGS]; /**< here we keep the parsed stuff */
+#endif
/** Keep information about one locale */
typedef struct _lang_pref{
* \param LocaleString the string from the browser http headers
*/
-void httplang_to_locale(char *LocaleString)
+void httplang_to_locale(StrBuf *LocaleString)
{
LangStruct wanted_locales[SEARCH_LANG];
LangStruct *ls;
int av;
int nBest;
int nParts;
- char search[1024];
+ StrBuf *Buf = NULL;
+ StrBuf *SBuf = NULL;
- safestrncpy(search, LocaleString, sizeof search);
- nParts=num_tokens(search,',');
+ nParts=StrBufNum_tokens(LocaleString,',');
for (i=0; ((i<nParts)&&(i<SEARCH_LANG)); i++)
{
- char buf[16];
- char sbuf[16];
- char lbuf[16];
- int blen;
+ char lbuf[16];
+ int blen;
- ls=&wanted_locales[i];
-
- extract_token(&buf[0],search, i,',',16);
- /** we are searching, if this list item has something like ;q=n*/
- if (num_tokens(&buf[0],'=')>1) {
- int sbuflen, k;
- extract_token(&sbuf[0],&buf[0], 1,'=',16);
- sbuflen=strlen(&sbuf[0]);
- for (k=0; k<sbuflen; k++) if (sbuf[k]=='.') sbuf[k]='0';
- ls->priority=atol(&sbuf[0]);
- }
- else {
- ls->priority=1000;
- }
- /** get the locale part */
- extract_token(&sbuf[0],&buf[0],0,';',16);
- /** get the lang part, which should be allways there */
- extract_token(&ls->lang[0],&sbuf[0],0,'-',16);
- /** get the area code if any. */
- if (num_tokens(&sbuf[0],'-')>1) {
- extract_token(&ls->region[0],&sbuf[0],1,'-',16);
- }
- else { /** no ara code? use lang code */
- blen=strlen(&ls->lang[0]);
- memcpy(&ls->region[0], ls->lang,blen);
- ls->region[blen]='\0';
- } /** area codes are uppercase */
- blen=strlen(&ls->region[0]);
- for (j=0; j<blen; j++)
- {
- int chars=toupper(ls->region[j]);
- ls->region[j]=(char)chars;/** \todo ?! */
- }
- sprintf(&lbuf[0],"%s_%s",&ls->lang[0],&ls->region[0]);
+ 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[0], ChrPtr(SBuf), 0, '-', 16);
+ /** get the area code if any. */
+ if (StrBufNum_tokens(SBuf,'-') > 1) {
+ extract_token(&ls->region[0],ChrPtr(SBuf),1,'-',16);
+ }
+ else { /** no ara code? use lang code */
+ blen=strlen(&ls->lang[0]);
+ memcpy(&ls->region[0], ls->lang,blen);
+ ls->region[blen]='\0';
+ } /** area codes are uppercase */
+ blen=strlen(&ls->region[0]);
+ for (j=0; j<blen; j++)
+ {
+ int chars=toupper(ls->region[j]);
+ ls->region[j]=(char)chars;/** \todo ?! */
+ }
+ sprintf(&lbuf[0],"%s_%s",&ls->lang[0],&ls->region[0]);
- /** check if we have this lang */
- ls->availability=1;
- ls->selectedlang=-1;
- for (j=0; j<NUM_LANGS; j++) {
- int result;
- /** match against the LANG part */
- result=strcasecmp(&ls->lang[0], AvailLang[j]);
- if ((result<0)&&(result<ls->availability)){
- ls->availability=result;
- ls->selectedlang=j;
- }
- /** match against lang and locale */
- if (0==strcasecmp(&lbuf[0], AvailLang[j])){
- ls->availability=0;
- ls->selectedlang=j;
- j=NUM_LANGS;
- }
+ /** check if we have this lang */
+ ls->availability=1;
+ ls->selectedlang=-1;
+ for (j=0; j<nLocalesLoaded; j++) {
+ int result;
+ /** match against the LANG part */
+ result=strcasecmp(&ls->lang[0], AvailLangLoaded[j]);
+ if ((result<0)&&(result<ls->availability)){
+ ls->availability=result;
+ ls->selectedlang=j;
}
+ /** match against lang and locale */
+ if (0==strcasecmp(&lbuf[0], AvailLangLoaded[j])){
+ ls->availability=0;
+ ls->selectedlang=j;
+ j=nLocalesLoaded;
+ }
+ }
}
prio=0;
nBest=0;
}
WC->selected_language=nBest;
- lprintf(9, "language found: %s\n", AvailLang[WC->selected_language]);
+ lprintf(9, "language found: %s\n", AvailLangLoaded[WC->selected_language]);
+ FreeStrBuf(&Buf);
+ FreeStrBuf(&SBuf);
}
-/* TODO: we skip the language weighting so far. */
-/* 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 */
-//void httplang_to_locale(char *LocaleString)
-//{
-// char selected_locale[16];
-// int i, j;
-// char lang[64];
-// int num_accept = 0;
-//
-// lprintf(9, "languageAccept: %s\n", LocaleString);
-//
-// strcpy(selected_locale, "C");
-// num_accept = num_tokens(LocaleString, ',');
-//
-// for (i=num_accept-1; i>=0; --i) {
-// extract_token(lang, LocaleString, i, ',', sizeof lang);
-//
-// /* Strip out the weights; we don't use them. Also convert
-// * hyphens to underscores.
-// */
-// for (j=0; j<strlen(lang); ++j) {
-// if (lang[j] == '-') lang[j] = '_';
-// if (lang[j] == ';') lang[j] = 0;
-// }
-//
-// for (j=0; j<NUM_LANGS; ++j) {
-// if (!strncasecmp(lang, AvailLang[j], strlen(lang))) {
-// strcpy(selected_locale, AvailLang[j]);
-// }
-// }
-// }
-//
-// lprintf(9, "language found: %s\n", selected_locale);
-// set_selected_language(selected_locale);
-//}
-
-
/**
* \brief show the language chooser on the login dialog
* depending on the browser locale change the sequence of the
* language chooser.
*/
-void offer_languages(void) {
+void tmplput_offer_languages(StrBuf *Target, WCTemplputParams *TP)
+{
int i;
+#ifndef HAVE_USELOCALE
+ char *Lang = getenv("LANG");
+
+ if (Lang == NULL)
+ Lang = "C";
+#endif
+
- wprintf("<select name=\"language\" size=\"1\">\n");
+ if (nLocalesLoaded == 1) {
+ wprintf("<p>%s</p>", AvailLangLoaded[0]);
+ return;
+ }
- for (i=0; i < NUM_LANGS; ++i) {
+ wprintf("<select name=\"language\" id=\"lname\" size=\"1\">\n");
+
+ for (i=0; i < nLocalesLoaded; ++i) {
+#ifndef HAVE_USELOCALE
+ if (strcmp(AvailLangLoaded[i], Lang) == 0)
+#endif
wprintf("<option %s value=%s>%s</option>\n",
((WC->selected_language == i) ? "selected" : ""),
- AvailLang[i],
- AvailLang[i]
+ AvailLangLoaded[i],
+ AvailLangLoaded[i]
);
}
* \brief Set the selected language for this session.
* \param lang the locale to set.
*/
-void set_selected_language(char *lang) {
+void set_selected_language(const char *lang) {
+#ifdef HAVE_USELOCALE
int i;
-
- for (i=0; i<NUM_LANGS; ++i) {
- if (!strcasecmp(lang, AvailLang[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) {
- if (WC->selected_language < 0) return;
- uselocale(wc_locales[WC->selected_language]); /** switch locales */
+#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 i;
- locale_t Empty_Locale;
char buf[32];
+ char *language = NULL;
+
+ language = getenv("WEBCIT_LANG");
+ if ((language) && (!IsEmptyStr(language)) && (strcmp(language, "UNLIMITED") != 0)) {
+ lprintf(9, "Nailing locale to %s\n", language);
+ }
+ else language = NULL;
+#ifdef HAVE_USELOCALE
/* create default locale */
Empty_Locale = newlocale(LC_ALL_MASK, NULL, NULL);
+#endif
+
+
+
for (i = 0; i < NUM_LANGS; ++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
+ sprintf(buf, "%s", AvailLang[i]); /* locale 0 (C) is ascii, not utf-8 */
}
else {
sprintf(buf, "%s.UTF8", AvailLang[i]);
}
- wc_locales[i] = newlocale(
+#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[i] == NULL) {
+ if (wc_locales[nLocalesLoaded] == NULL) {
lprintf(1, "Error configuring locale for %s: %s\n",
buf,
strerror(errno)
}
else {
lprintf(3, "Configured available locale: %s\n", buf);
+ AvailLangLoaded[nLocalesLoaded] = AvailLang[i];
+ nLocalesLoaded++;
+ }
+#else
+ if (language != NULL) {
+ setenv("LANG", buf, 1);
+ AvailLangLoaded[nLocalesLoaded] = 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
+
}
+void ShutdownLocale(void)
+{
+#ifdef HAVE_USELOCALE
+ int i;
+ for (i = 0; i < nLocalesLoaded; ++i) {
+ if (Empty_Locale != wc_locales[i])
+ freelocale(wc_locales[i]);
+ }
+#endif
+}
+
#else /* ENABLE_NLS */
+const char *AvailLang[NUM_LANGS] = {
+ "C"};
+
/** \brief dummy for non NLS enabled systems */
-void offer_languages(void) {
+void tmplput_offer_languages(StrBuf *Target, WCTemplputParams *TP)
+{
wprintf("English (US)");
}
#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)
+{
+ RegisterNamespace("LANG:SELECT", 0, 0, tmplput_offer_languages, CTX_NONE);
+}
+
+
+void
+SessionNewModule_GETTEXT
+(wcsession *sess)
+{
+#ifdef ENABLE_NLS
+ void *vLine;
+ ////TODO: make me a header getter
+ if (GetHash(WC->Hdr->HTTPHeaders, HKEY("ACCEPT-LANGUAGE"), &vLine) &&
+ (vLine != NULL)) {
+ StrBuf *accept_language = (StrBuf*) vLine;
+ httplang_to_locale(accept_language);
+ }
+#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
+}