sal/osl/unx/osxlocale.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/types.h>
  21 #include <assert.h>
  22
  23 #include <premac.h>
  24 #ifndef IOS
  25 #include <CoreServices/CoreServices.h>
  26 #endif
  27 #include <CoreFoundation/CoreFoundation.h>
  28 #include <postmac.h>
  29
  30 #include <nlsupport.h>
  31
  32 namespace
  33 {
  34     template <typename T>
  35     class CFGuard
  36     {
  37     public:
  38         explicit CFGuard(T& rT) : rT_(rT) {}
  39         ~CFGuard() { if (rT_) CFRelease(rT_); }
  40     private:
  41         T& rT_;
  42     };
  43
  44     typedef CFGuard<CFArrayRef> CFArrayGuard;
  45     typedef CFGuard<CFStringRef> CFStringGuard;
  46     typedef CFGuard<CFPropertyListRef> CFPropertyListGuard;
  47
  48     /** Get the current process locale from system
  49     */
  50     CFStringRef getProcessLocale()
  51     {
  52         CFPropertyListRef pref = CFPreferencesCopyAppValue(CFSTR("AppleLanguages"), kCFPreferencesCurrentApplication);
  53         CFPropertyListGuard proplGuard(pref);
  54
  55         if (pref == NULL) // return fallback value 'en_US'
  56              return CFStringCreateWithCString(kCFAllocatorDefault, "en_US", kCFStringEncodingASCII);
  57
  58         CFStringRef sref = (CFGetTypeID(pref) == CFArrayGetTypeID()) ? (CFStringRef)CFArrayGetValueAtIndex((CFArrayRef)pref, 0) : (CFStringRef)pref;
  59
  60         return CFLocaleCreateCanonicalLocaleIdentifierFromString(kCFAllocatorDefault, sref);
  61     }
  62 }
  63
  64 /** Grab current locale from system.
  65 */
  66 int macosx_getLocale(char *locale, sal_uInt32 bufferLen)
  67 {
  68     CFStringRef sref = getProcessLocale();
  69     CFStringGuard sGuard(sref);
  70
  71     assert(sref != NULL && "osxlocale.cxx: getProcessLocale must return a non-NULL value");
  72
  73     // split the string into substrings; the first two (if there are two) substrings
  74     // are language and country
  75     CFArrayRef subs = CFStringCreateArrayBySeparatingStrings(NULL, sref, CFSTR("-"));
  76     CFArrayGuard arrGuard(subs);
  77
  78     CFStringRef lang = (CFStringRef)CFArrayGetValueAtIndex(subs, 0);
  79     CFStringGetCString(lang, locale, bufferLen, kCFStringEncodingASCII);
  80
  81     // country also available? Assumption: if the array contains more than one
  82     // value the second value is always the country!
  83     if (CFArrayGetCount(subs) > 1)
  84     {
  85         strlcat(locale, "_", bufferLen - strlen(locale));
  86
  87         CFStringRef country = (CFStringRef)CFArrayGetValueAtIndex(subs, 1);
  88         CFStringGetCString(country, locale + strlen(locale), bufferLen - strlen(locale), kCFStringEncodingASCII);
  89     }
  90     // Append 'UTF-8' to the locale because the Mac OS X file
  91     // system interface is UTF-8 based and sal tries to determine
  92     // the file system locale from the locale information
  93     strlcat(locale, ".UTF-8", bufferLen - strlen(locale));
  94
  95     return noErr;
  96 }
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */