sal/osl/unx/osxlocale.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_sal.hxx"
  30
  31 #include <sal/types.h>
  32 #include <assert.h>
  33
  34 #include <premac.h>
  35 #include <CoreServices/CoreServices.h>
  36 #include <CoreFoundation/CoreFoundation.h>
  37 #include <postmac.h>
  38
  39 namespace /* private */
  40 {
  41     template <typename T>
  42     class CFGuard
  43     {
  44     public:
  45         explicit CFGuard(T& rT) : rT_(rT) {}
  46         ~CFGuard() { if (rT_) CFRelease(rT_); }
  47     private:
  48         T& rT_;
  49     };
  50
  51     typedef CFGuard<CFArrayRef> CFArrayGuard;
  52     typedef CFGuard<CFStringRef> CFStringGuard;
  53     typedef CFGuard<CFPropertyListRef> CFPropertyListGuard;
  54
  55     /** Get the current process locale from system
  56     */
  57     CFStringRef getProcessLocale()
  58     {
  59         CFPropertyListRef pref = CFPreferencesCopyAppValue(CFSTR("AppleLocale"), kCFPreferencesCurrentApplication);
  60         CFPropertyListGuard proplGuard(pref);
  61
  62         if (pref == NULL) // return fallback value 'en_US'
  63              return CFStringCreateWithCString(kCFAllocatorDefault, "en_US", kCFStringEncodingASCII);
  64
  65         CFStringRef sref = (CFGetTypeID(pref) == CFArrayGetTypeID()) ? (CFStringRef)CFArrayGetValueAtIndex((CFArrayRef)pref, 0) : (CFStringRef)pref;
  66
  67         // NOTE: this API is only available with Mac OS X >=10.3. We need to use it because
  68         // Apple used non-ISO values on systems <10.2 like "German" for instance but didn't
  69         // upgrade those values during upgrade to newer Mac OS X versions. See also #i54337#
  70         return CFLocaleCreateCanonicalLocaleIdentifierFromString(kCFAllocatorDefault, sref);
  71     }
  72 } // namespace private
  73
  74 /** Grab current locale from system.
  75 */
  76 extern "C" {
  77 int macosx_getLocale(char *locale, sal_uInt32 bufferLen)
  78 {
  79     CFStringRef sref = getProcessLocale();
  80     CFStringGuard sGuard(sref);
  81
  82     assert(sref != NULL && "osxlocale.cxx: getProcessLocale must return a non-NULL value");
  83
  84     // split the string into substrings; the first two (if there are two) substrings
  85     // are language and country
  86     CFArrayRef subs = CFStringCreateArrayBySeparatingStrings(NULL, sref, CFSTR("_"));
  87     CFArrayGuard arrGuard(subs);
  88
  89     CFStringRef lang = (CFStringRef)CFArrayGetValueAtIndex(subs, 0);
  90     CFStringGetCString(lang, locale, bufferLen, kCFStringEncodingASCII);
  91
  92     // country also available? Assumption: if the array contains more than one
  93     // value the second value is always the country!
  94     if (CFArrayGetCount(subs) > 1)
  95     {
  96         strlcat(locale, "_", bufferLen - strlen(locale));
  97
  98         CFStringRef country = (CFStringRef)CFArrayGetValueAtIndex(subs, 1);
  99         CFStringGetCString(country, locale + strlen(locale), bufferLen - strlen(locale), kCFStringEncodingASCII);
 100     }
 101     // Append 'UTF-8' to the locale because the Mac OS X file
 102     // system interface is UTF-8 based and sal tries to determine
 103     // the file system locale from the locale information
 104     strlcat(locale, ".UTF-8", bufferLen - strlen(locale));
 105
 106     return noErr;
 107 }
 108 }
 109
 110
 111
 112 /*
 113  * macxp_OSXConvertCFEncodingToIANACharSetName
 114  *
 115  * Convert a CoreFoundation text encoding to an IANA charset name.
 116  */
 117 extern "C" int macxp_OSXConvertCFEncodingToIANACharSetName( char *buffer, unsigned int bufferLen, CFStringEncoding cfEncoding )
 118 {
 119     CFStringRef sCFEncodingName;
 120
 121     sCFEncodingName = CFStringConvertEncodingToIANACharSetName( cfEncoding );
 122     CFStringGetCString( sCFEncodingName, buffer, bufferLen, cfEncoding );
 123
 124     if ( sCFEncodingName )
 125         CFRelease( sCFEncodingName );
 126
 127     return( noErr );
 128 }
 129