sal/osl/unx/osxlocale.cxx

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  28
  29
  30 #include <sal/types.h>
  31 #include <assert.h>
  32
  33 #include <premac.h>
  34 #ifndef IOS
  35 #include <CoreServices/CoreServices.h>
  36 #endif
  37 #include <CoreFoundation/CoreFoundation.h>
  38 #include <postmac.h>
  39
  40 namespace /* private */
  41 {
  42     template <typename T>
  43     class CFGuard
  44     {
  45     public:
  46         explicit CFGuard(T& rT) : rT_(rT) {}
  47         ~CFGuard() { if (rT_) CFRelease(rT_); }
  48     private:
  49         T& rT_;
  50     };
  51
  52     typedef CFGuard<CFArrayRef> CFArrayGuard;
  53     typedef CFGuard<CFStringRef> CFStringGuard;
  54     typedef CFGuard<CFPropertyListRef> CFPropertyListGuard;
  55
  56     /** Get the current process locale from system
  57     */
  58     CFStringRef getProcessLocale()
  59     {
  60         CFPropertyListRef pref = CFPreferencesCopyAppValue(CFSTR("AppleLocale"), kCFPreferencesCurrentApplication);
  61         CFPropertyListGuard proplGuard(pref);
  62
  63         if (pref == NULL) // return fallback value 'en_US'
  64              return CFStringCreateWithCString(kCFAllocatorDefault, "en_US", kCFStringEncodingASCII);
  65
  66         CFStringRef sref = (CFGetTypeID(pref) == CFArrayGetTypeID()) ? (CFStringRef)CFArrayGetValueAtIndex((CFArrayRef)pref, 0) : (CFStringRef)pref;
  67
  68         // NOTE: this API is only available with Mac OS X >=10.3. We need to use it because
  69         // Apple used non-ISO values on systems <10.2 like "German" for instance but didn't
  70         // upgrade those values during upgrade to newer Mac OS X versions. See also #i54337#
  71         return CFLocaleCreateCanonicalLocaleIdentifierFromString(kCFAllocatorDefault, sref);
  72     }
  73 } // namespace private
  74
  75 /** Grab current locale from system.
  76 */
  77 extern "C" {
  78 int macosx_getLocale(char *locale, sal_uInt32 bufferLen)
  79 {
  80     CFStringRef sref = getProcessLocale();
  81     CFStringGuard sGuard(sref);
  82
  83     assert(sref != NULL && "osxlocale.cxx: getProcessLocale must return a non-NULL value");
  84
  85     // split the string into substrings; the first two (if there are two) substrings
  86     // are language and country
  87     CFArrayRef subs = CFStringCreateArrayBySeparatingStrings(NULL, sref, CFSTR("_"));
  88     CFArrayGuard arrGuard(subs);
  89
  90     CFStringRef lang = (CFStringRef)CFArrayGetValueAtIndex(subs, 0);
  91     CFStringGetCString(lang, locale, bufferLen, kCFStringEncodingASCII);
  92
  93     // country also available? Assumption: if the array contains more than one
  94     // value the second value is always the country!
  95     if (CFArrayGetCount(subs) > 1)
  96     {
  97         strlcat(locale, "_", bufferLen - strlen(locale));
  98
  99         CFStringRef country = (CFStringRef)CFArrayGetValueAtIndex(subs, 1);
 100         CFStringGetCString(country, locale + strlen(locale), bufferLen - strlen(locale), kCFStringEncodingASCII);
 101     }
 102     // Append 'UTF-8' to the locale because the Mac OS X file
 103     // system interface is UTF-8 based and sal tries to determine
 104     // the file system locale from the locale information
 105     strlcat(locale, ".UTF-8", bufferLen - strlen(locale));
 106
 107     return noErr;
 108 }
 109 }
 110
 111
 112
 113 /*
 114  * macxp_OSXConvertCFEncodingToIANACharSetName
 115  *
 116  * Convert a CoreFoundation text encoding to an IANA charset name.
 117  */
 118 extern "C" int macxp_OSXConvertCFEncodingToIANACharSetName( char *buffer, unsigned int bufferLen, CFStringEncoding cfEncoding )
 119 {
 120     CFStringRef sCFEncodingName;
 121
 122     sCFEncodingName = CFStringConvertEncodingToIANACharSetName( cfEncoding );
 123     CFStringGetCString( sCFEncodingName, buffer, bufferLen, cfEncoding );
 124
 125     if ( sCFEncodingName )
 126         CFRelease( sCFEncodingName );
 127
 128     return( noErr );
 129 }
 130
 131 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */