]> git.ipfire.org Git - thirdparty/cups.git/blobdiff - cups/language.c
Import CUPS 1.4svn r7023 into easysw/current.
[thirdparty/cups.git] / cups / language.c
index d654b4c222a7a44bbe923fc5ac6e594dfabdda4f..c1af03a3d914492f1f77efe1867a065df49f2098 100644 (file)
@@ -1,25 +1,16 @@
 /*
- * "$Id: language.c 5243 2006-03-08 02:29:48Z mike $"
+ * "$Id: language.c 6916 2007-09-05 21:14:08Z mike $"
  *
  *   I18N/language support for the Common UNIX Printing System (CUPS).
  *
- *   Copyright 1997-2006 by Easy Software Products.
+ *   Copyright 2007 by Apple Inc.
+ *   Copyright 1997-2007 by Easy Software Products.
  *
  *   These coded instructions, statements, and computer programs are the
- *   property of Easy Software Products and are protected by Federal
- *   copyright law.  Distribution and use rights are outlined in the file
- *   "LICENSE.txt" which should have been included with this file.  If this
- *   file is missing or damaged please contact Easy Software Products
- *   at:
- *
- *       Attn: CUPS Licensing Information
- *       Easy Software Products
- *       44141 Airport View Drive, Suite 204
- *       Hollywood, Maryland 20636 USA
- *
- *       Voice: (301) 373-9600
- *       EMail: cups-info@cups.org
- *         WWW: http://www.cups.org
+ *   property of Apple Inc. and are protected by Federal copyright
+ *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
+ *   which should have been included with this file.  If this file is
+ *   file is missing or damaged, see the license at "http://www.cups.org/".
  *
  *   This file is subject to the Apple OS-Developed Software exception.
  *
@@ -31,7 +22,6 @@
  *   cupsLangEncoding()     - Return the character encoding (us-ascii, etc.)
  *                            for the given language.
  *   cupsLangFlush()        - Flush all language data out of the cache.
- *   _cupsLangFlush()       - Flush all language data out of the cache.
  *   cupsLangFree()         - Free language data.
  *   cupsLangGet()          - Get a language.
  *   _cupsLangString()      - Get a message string.
 #endif /* HAVE_COREFOUNDATION_H */
 
 
+/*
+ * Local globals...
+ */
+
+#ifdef HAVE_PTHREAD_H
+static pthread_mutex_t lang_mutex = PTHREAD_MUTEX_INITIALIZER;
+                                       /* Mutex to control access to cache */
+#endif /* HAVE_PTHREAD_H */
+static cups_lang_t     *lang_cache = NULL;
+                                       /* Language string cache */
+
+
 /*
  * Local functions...
  */
@@ -203,17 +205,6 @@ cupsLangEncoding(cups_lang_t *lang)        /* I - Language data */
 
 void
 cupsLangFlush(void)
-{
-  _cupsLangFlush(_cupsGlobals());
-}
-
-
-/*
- * '_cupsLangFlush()' - Flush all language data out of the cache.
- */
-
-void
-_cupsLangFlush(_cups_globals_t *cg)    /* I - Global data */
 {
   cups_lang_t  *lang,                  /* Current language */
                *next;                  /* Next language */
@@ -223,7 +214,11 @@ _cupsLangFlush(_cups_globals_t *cg)        /* I - Global data */
   * Free all languages in the cache...
   */
 
-  for (lang = cg->lang_cache; lang != NULL; lang = next)
+#ifdef HAVE_PTHREAD_H
+  pthread_mutex_lock(&lang_mutex);
+#endif /* HAVE_PTHREAD_H */
+
+  for (lang = lang_cache; lang != NULL; lang = next)
   {
    /*
     * Free all messages...
@@ -239,7 +234,11 @@ _cupsLangFlush(_cups_globals_t *cg)        /* I - Global data */
     free(lang);
   }
 
-  cg->lang_cache = NULL;
+  lang_cache = NULL;
+
+#ifdef HAVE_PTHREAD_H
+  pthread_mutex_unlock(&lang_mutex);
+#endif /* HAVE_PTHREAD_H */
 }
 
 
@@ -252,8 +251,16 @@ _cupsLangFlush(_cups_globals_t *cg)        /* I - Global data */
 void
 cupsLangFree(cups_lang_t *lang)                /* I - Language to free */
 {
+#ifdef HAVE_PTHREAD_H
+  pthread_mutex_lock(&lang_mutex);
+#endif /* HAVE_PTHREAD_H */
+
   if (lang != NULL && lang->used > 0)
     lang->used --;
+
+#ifdef HAVE_PTHREAD_H
+  pthread_mutex_unlock(&lang_mutex);
+#endif /* HAVE_PTHREAD_H */
 }
 
 
@@ -335,7 +342,7 @@ cupsLangGet(const char *language)   /* I - Language or locale */
   * preference so we have to look it up this way...
   */
 
-  if (!language)
+  if (!language && (language = getenv("LANG")) == NULL)
     language = appleLangDefault();
 
 #else
@@ -390,14 +397,6 @@ cupsLangGet(const char *language)  /* I - Language or locale */
 
         *ptr = '\0';
       }
-      else
-      {
-       /*
-        * Default to UTF-8...
-       */
-
-        strcpy(charset, "UTF8");
-      }
 
      /*
       * Get the locale for messages from the LC_MESSAGES locale setting...
@@ -457,6 +456,13 @@ cupsLangGet(const char *language)  /* I - Language or locale */
   }
 #endif /* CODESET */
 
+ /*
+  * If we don't have a character set by now, default to UTF-8...
+  */
+
+  if (!charset[0])
+    strcpy(charset, "UTF8");
+
  /*
   * Parse the language string passed in to a locale string. "C" is the
   * standard POSIX locale and is copied unchanged.  Otherwise the
@@ -544,6 +550,23 @@ cupsLangGet(const char *language)  /* I - Language or locale */
        encoding = (cups_encoding_t)i;
        break;
       }
+
+    if (encoding == CUPS_AUTO_ENCODING)
+    {
+     /*
+      * Map alternate names for various character sets...
+      */
+
+      if (!strcasecmp(charset, "iso-2022-jp") ||
+          !strcasecmp(charset, "sjis"))
+       encoding = CUPS_WINDOWS_932;
+      else if (!strcasecmp(charset, "iso-2022-cn"))
+       encoding = CUPS_WINDOWS_936;
+      else if (!strcasecmp(charset, "iso-2022-kr"))
+       encoding = CUPS_WINDOWS_949;
+      else if (!strcasecmp(charset, "big5"))
+       encoding = CUPS_WINDOWS_950;
+    }
   }
 
   DEBUG_printf(("cupsLangGet: encoding=%d(%s)\n", encoding,
@@ -558,14 +581,27 @@ cupsLangGet(const char *language) /* I - Language or locale */
   {
     snprintf(real, sizeof(real), "%s_%s", langname, country);
 
-    if ((lang = cups_cache_lookup(real, encoding)) != NULL)
-      return (lang);
-
     snprintf(filename, sizeof(filename), "%s/%s/cups_%s.po", cg->localedir,
              real, real);
   }
   else
+  {
+    strcpy(real, langname);
     filename[0] = '\0';                        /* anti-compiler-warning-code */
+  }
+
+#ifdef HAVE_PTHREAD_H
+  pthread_mutex_lock(&lang_mutex);
+#endif /* HAVE_PTHREAD_H */
+
+  if ((lang = cups_cache_lookup(real, encoding)) != NULL)
+  {
+#ifdef HAVE_PTHREAD_H
+    pthread_mutex_unlock(&lang_mutex);
+#endif /* HAVE_PTHREAD_H */
+
+    return (lang);
+  }
 
   if (!country[0] || access(filename, 0))
   {
@@ -573,9 +609,6 @@ cupsLangGet(const char *language)   /* I - Language or locale */
     * Country localization not available, look for generic localization...
     */
 
-    if ((lang = cups_cache_lookup(langname, encoding)) != NULL)
-      return (lang);
-
     snprintf(filename, sizeof(filename), "%s/%s/cups_%s.po", cg->localedir,
              langname, langname);
 
@@ -587,11 +620,8 @@ cupsLangGet(const char *language)  /* I - Language or locale */
 
       DEBUG_printf(("access(\"%s\", 0): %s\n", filename, strerror(errno)));
 
-      strcpy(real, "C");
       snprintf(filename, sizeof(filename), "%s/C/cups_C.po", cg->localedir);
     }
-    else
-      strcpy(real, langname);
   }
 
  /*
@@ -599,7 +629,7 @@ cupsLangGet(const char *language)   /* I - Language or locale */
   * record...
   */
 
-  for (lang = cg->lang_cache; lang != NULL; lang = lang->next)
+  for (lang = lang_cache; lang != NULL; lang = lang->next)
     if (lang->used == 0)
       break;
 
@@ -610,10 +640,16 @@ cupsLangGet(const char *language) /* I - Language or locale */
     */
 
     if ((lang = calloc(sizeof(cups_lang_t), 1)) == NULL)
+    {
+#ifdef HAVE_PTHREAD_H
+      pthread_mutex_unlock(&lang_mutex);
+#endif /* HAVE_PTHREAD_H */
+
       return (NULL);
+    }
 
-    lang->next     = cg->lang_cache;
-    cg->lang_cache = lang;
+    lang->next lang_cache;
+    lang_cache = lang;
   }
   else
   {
@@ -646,6 +682,10 @@ cupsLangGet(const char *language)  /* I - Language or locale */
   * Return...
   */
 
+#ifdef HAVE_PTHREAD_H
+  pthread_mutex_unlock(&lang_mutex);
+#endif /* HAVE_PTHREAD_H */
+
   return (lang);
 }
 
@@ -668,7 +708,21 @@ _cupsLangString(cups_lang_t *lang, /* I - Language */
   if (!lang || !message)
     return (message);
 
+#ifdef HAVE_PTHREAD_H
+  {
+    const char *s;                     /* Localized message */
+
+    pthread_mutex_lock(&lang_mutex);
+
+    s = _cupsMessageLookup(lang->strings, message);
+
+    pthread_mutex_unlock(&lang_mutex);
+
+    return (s);
+  }
+#else
   return (_cupsMessageLookup(lang->strings, message));
+#endif /* HAVE_PTHREAD_H */
 }
 
 
@@ -824,7 +878,7 @@ _cupsMessageLoad(const char *filename)      /* I - Message catalog to load */
       * Append to current string...
       */
 
-      length = strlen(m->str ? m->str : m->id);
+      length = (int)strlen(m->str ? m->str : m->id);
 
       if ((temp = realloc(m->str ? m->str : m->id,
                           length + strlen(ptr) + 1)) == NULL)
@@ -921,6 +975,22 @@ _cupsMessageLookup(cups_array_t *a,        /* I - Message array */
  */
 
 #  ifdef HAVE_CF_LOCALE_ID
+
+typedef struct
+{
+  const char * const name;             /* Language name */
+  const char * const locale;           /* Locale name */
+} _apple_name_locale_t;
+
+static const _apple_name_locale_t apple_name_locale[] =
+{
+  { "en"       , "en_US" },
+  { "nb"       , "no"    },
+  { "zh-Hans"  , "zh_CN" },
+  { "zh-Hant"  , "zh_TW" }
+};
+
+
 /*
  * 'appleLangDefault()' - Get the default locale string.
  */
@@ -928,10 +998,14 @@ _cupsMessageLookup(cups_array_t *a,       /* I - Message array */
 static const char *                    /* O - Locale string */
 appleLangDefault(void)
 {
+  int                  i;              /* Looping var */
+  CFBundleRef          bundle;         /* Main bundle (if any) */
+  CFArrayRef           bundleList;     /* List of localizations in bundle */
   CFPropertyListRef    localizationList;
                                        /* List of localization data */
   CFStringRef          languageName;   /* Current name */
   CFStringRef          localeName;     /* Canonical from of name */
+  char                 *lang;          /* LANG environment variable */
   _cups_globals_t      *cg = _cupsGlobals();
                                        /* Pointer to library globals */
 
@@ -942,35 +1016,75 @@ appleLangDefault(void)
 
   if (!cg->language[0])
   {
-    localizationList =
-        CFPreferencesCopyAppValue(CFSTR("AppleLanguages"),
-                                  kCFPreferencesCurrentApplication);
+    if ((lang = getenv("LANG")))
+    {
+      strlcpy(cg->language, lang, sizeof(cg->language));
+      return (cg->language);
+    }
+    else if ((bundle = CFBundleGetMainBundle()) != NULL &&
+             (bundleList = CFBundleCopyBundleLocalizations(bundle)) != NULL)
+    {
+      localizationList =
+         CFBundleCopyPreferredLocalizationsFromArray(bundleList);
+
+      CFRelease(bundleList);
+    }
+    else
+      localizationList =
+         CFPreferencesCopyAppValue(CFSTR("AppleLanguages"),
+                                   kCFPreferencesCurrentApplication);
 
-    if (localizationList != NULL)
+    if (localizationList)
     {
       if (CFGetTypeID(localizationList) == CFArrayGetTypeID() &&
          CFArrayGetCount(localizationList) > 0)
       {
-        languageName = CFArrayGetValueAtIndex(localizationList, 0);
+       languageName = CFArrayGetValueAtIndex(localizationList, 0);
 
-        if (languageName != NULL &&
-            CFGetTypeID(languageName) == CFStringGetTypeID())
-        {
+       if (languageName &&
+           CFGetTypeID(languageName) == CFStringGetTypeID())
+       {
          localeName = CFLocaleCreateCanonicalLocaleIdentifierFromString(
-                          kCFAllocatorDefault, languageName);
+                          kCFAllocatorDefault, languageName);
 
-         if (localeName != NULL)
+         if (localeName)
          {
            CFStringGetCString(localeName, cg->language, sizeof(cg->language),
                               kCFStringEncodingASCII);
            CFRelease(localeName);
 
-           if (!strcmp(cg->language, "en"))
-             strlcpy(cg->language, "en_US.UTF-8", sizeof(cg->language));
-           else if (strchr(cg->language, '.') == NULL)
+           DEBUG_printf(("appleLangDefault: cg->language=\"%s\"\n",
+                         cg->language));
+
+          /*
+           * Map new language identifiers to locales...
+           */
+
+           for (i = 0;
+                i < sizeof(apple_name_locale) / sizeof(apple_name_locale[0]);
+                i++)
+           {
+             if (!strcmp(cg->language, apple_name_locale[i].name))
+             {
+               DEBUG_printf(("appleLangDefault: mapping \"%s\" to \"%s\"...\n",
+                             cg->language, apple_name_locale[i].locale));
+               strlcpy(cg->language, apple_name_locale[i].locale, 
+                       sizeof(cg->language));
+               break;
+             }
+           }
+
+          /*
+           * Convert language subtag into region subtag...
+           */
+
+           if (cg->language[2] == '-')
+             cg->language[2] = '_';
+
+           if (!strchr(cg->language, '.'))
              strlcat(cg->language, ".UTF-8", sizeof(cg->language));
          }
-        }
+       }
       }
 
       CFRelease(localizationList);
@@ -1081,59 +1195,66 @@ appleLangDefault(void)
   char                 buff[256];      /* Temporary buffer */
   _cups_globals_t      *cg = _cupsGlobals();
                                        /* Pointer to library globals */
+  char                 *lang;          /* LANG environment variable */
 
 
  /*
   * Only do the lookup and translation the first time.
   */
 
-  if (cg->language == NULL)
+  if (!cg->language[0])
   {
-    localizationList =
-        CFPreferencesCopyAppValue(CFSTR("AppleLanguages"),
-                                  kCFPreferencesCurrentApplication);
-
-    if (localizationList != NULL)
+    if ((lang = getenv("LANG")))
+      strlcpy(cg->language, lang, sizeof(cg->language));
+    else
     {
-      if (CFGetTypeID(localizationList) == CFArrayGetTypeID() &&
-         CFArrayGetCount(localizationList) > 0)
-      {
-       localizationName = CFArrayGetValueAtIndex(localizationList, 0);
+      localizationList =
+          CFPreferencesCopyAppValue(CFSTR("AppleLanguages"),
+                                    kCFPreferencesCurrentApplication);
 
-       if (localizationName != NULL &&
-            CFGetTypeID(localizationName) == CFStringGetTypeID())
+      if (localizationList != NULL)
+      {
+       if (CFGetTypeID(localizationList) == CFArrayGetTypeID() &&
+           CFArrayGetCount(localizationList) > 0)
        {
-         CFIndex length = CFStringGetLength(localizationName);
+         localizationName = CFArrayGetValueAtIndex(localizationList, 0);
 
-         if (length <= sizeof(buff) &&
-             CFStringGetCString(localizationName, buff, sizeof(buff),
-                                kCFStringEncodingASCII))
+         if (localizationName != NULL &&
+              CFGetTypeID(localizationName) == CFStringGetTypeID())
          {
-           buff[sizeof(buff) - 1] = '\0';
+           CFIndex length = CFStringGetLength(localizationName);
 
-           for (i = 0;
-                i < sizeof(apple_name_locale) / sizeof(apple_name_locale[0]);
-                i++)
+           if (length <= sizeof(buff) &&
+               CFStringGetCString(localizationName, buff, sizeof(buff),
+                                  kCFStringEncodingASCII))
            {
-             if (!strcasecmp(buff, apple_name_locale[i].name))
+             buff[sizeof(buff) - 1] = '\0';
+
+             for (i = 0;
+                  i < sizeof(apple_name_locale) / sizeof(apple_name_locale[0]);
+                  i++)
              {
-               cg->language = apple_name_locale[i].locale;
-               break;
+               if (!strcasecmp(buff, apple_name_locale[i].name))
+               {
+                 strlcpy(cg->language, apple_name_locale[i].locale, 
+                         sizeof(cg->language));
+                 break;
+               }
              }
            }
          }
        }
-      }
 
-      CFRelease(localizationList);
+       CFRelease(localizationList);
+      }
     }
   
    /*
     * If we didn't find the language, default to en_US...
     */
 
-    if (cg->language == NULL)
-      cg->language = apple_name_locale[0].locale;
+    if (!cg->language[0])
+      strlcpy(cg->language, apple_name_locale[0].locale, sizeof(cg->language));
   }
 
  /*
@@ -1166,7 +1287,7 @@ cups_cache_lookup(const char      *name,/* I - Name of locale */
   * Loop through the cache and return a match if found...
   */
 
-  for (lang = _cupsGlobals()->lang_cache; lang != NULL; lang = lang->next)
+  for (lang = lang_cache; lang != NULL; lang = lang->next)
   {
     DEBUG_printf(("cups_cache_lookup: lang=%p, language=\"%s\", encoding=%d(%s)\n",
                   lang, lang->language, lang->encoding,
@@ -1224,6 +1345,8 @@ cups_unquote(char       *d,               /* O - Unquoted string */
          *d = *d * 8 + *s - '0';
          s ++;
        }
+
+       d ++;
       }
       else
       {
@@ -1248,5 +1371,5 @@ cups_unquote(char       *d,               /* O - Unquoted string */
 
 
 /*
- * End of "$Id: language.c 5243 2006-03-08 02:29:48Z mike $".
+ * End of "$Id: language.c 6916 2007-09-05 21:14:08Z mike $".
  */