sal/osl/unx/osxlocale.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sal.hxx"
  33
  34 #include <sal/types.h>
  35 #include <assert.h>
  36
  37 #include <premac.h>
  38 #include <CoreServices/CoreServices.h>
  39 #include <CoreFoundation/CoreFoundation.h>
  40 #include <postmac.h>
  41
  42 namespace /* private */
  43 {
  44     template <typename T>
  45     class CFGuard
  46     {
  47     public:
  48         explicit CFGuard(T& rT) : rT_(rT) {}
  49         ~CFGuard() { if (rT_) CFRelease(rT_); }
  50     private:
  51         T& rT_;
  52     };
  53
  54     typedef CFGuard<CFArrayRef> CFArrayGuard;
  55     typedef CFGuard<CFStringRef> CFStringGuard;
  56     typedef CFGuard<CFPropertyListRef> CFPropertyListGuard;
  57
  58     /** Get the current process locale from system
  59     */
  60     CFStringRef getProcessLocale()
  61     {
  62         CFPropertyListRef pref = CFPreferencesCopyAppValue(CFSTR("AppleLocale"), kCFPreferencesCurrentApplication);
  63         CFPropertyListGuard proplGuard(pref);
  64
  65         if (pref == NULL) // return fallback value 'en_US'
  66              return CFStringCreateWithCString(kCFAllocatorDefault, "en_US", kCFStringEncodingASCII);
  67
  68         CFStringRef sref = (CFGetTypeID(pref) == CFArrayGetTypeID()) ? (CFStringRef)CFArrayGetValueAtIndex((CFArrayRef)pref, 0) : (CFStringRef)pref;
  69
  70         // NOTE: this API is only available with Mac OS X >=10.3. We need to use it because
  71         // Apple used non-ISO values on systems <10.2 like "German" for instance but didn't
  72         // upgrade those values during upgrade to newer Mac OS X versions. See also #i54337#
  73         return CFLocaleCreateCanonicalLocaleIdentifierFromString(kCFAllocatorDefault, sref);
  74     }
  75 } // namespace private
  76
  77 /** Grab current locale from system.
  78 */
  79 extern "C" {
  80 int macosx_getLocale(char *locale, sal_uInt32 bufferLen)
  81 {
  82     CFStringRef sref = getProcessLocale();
  83     CFStringGuard sGuard(sref);
  84
  85     assert(sref != NULL && "osxlocale.cxx: getProcessLocale must return a non-NULL value");
  86
  87     // split the string into substrings; the first two (if there are two) substrings
  88     // are language and country
  89     CFArrayRef subs = CFStringCreateArrayBySeparatingStrings(NULL, sref, CFSTR("_"));
  90     CFArrayGuard arrGuard(subs);
  91
  92     CFStringRef lang = (CFStringRef)CFArrayGetValueAtIndex(subs, 0);
  93     CFStringGetCString(lang, locale, bufferLen, kCFStringEncodingASCII);
  94
  95     // country also available? Assumption: if the array contains more than one
  96     // value the second value is always the country!
  97     if (CFArrayGetCount(subs) > 1)
  98     {
  99         strlcat(locale, "_", bufferLen - strlen(locale));
 100
 101         CFStringRef country = (CFStringRef)CFArrayGetValueAtIndex(subs, 1);
 102         CFStringGetCString(country, locale + strlen(locale), bufferLen - strlen(locale), kCFStringEncodingASCII);
 103     }
 104     // Append 'UTF-8' to the locale because the Mac OS X file
 105     // system interface is UTF-8 based and sal tries to determine
 106     // the file system locale from the locale information
 107     strlcat(locale, ".UTF-8", bufferLen - strlen(locale));
 108
 109     return noErr;
 110 }
 111 }
 112
 113
 114
 115 /*
 116  * macxp_OSXConvertCFEncodingToIANACharSetName
 117  *
 118  * Convert a CoreFoundation text encoding to an IANA charset name.
 119  */
 120 extern "C" int macxp_OSXConvertCFEncodingToIANACharSetName( char *buffer, unsigned int bufferLen, CFStringEncoding cfEncoding )
 121 {
 122     CFStringRef sCFEncodingName;
 123
 124     sCFEncodingName = CFStringConvertEncodingToIANACharSetName( cfEncoding );
 125     CFStringGetCString( sCFEncodingName, buffer, bufferLen, cfEncoding );
 126
 127     if ( sCFEncodingName )
 128         CFRelease( sCFEncodingName );
 129
 130     return( noErr );
 131 }
 132