i18npool/source/isolang/inunx.cxx

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  30
  31
  32 // no include "precompiled_i18npool.hxx" because this file is included in insys.cxx
  33
  34 #include <stdlib.h>  // for getenv()
  35 #include <stdio.h>
  36
  37 #ifdef MACOSX
  38 #include <osl/process.h>
  39 #include <rtl/locale.h>
  40 #include <rtl/ustring.hxx>
  41
  42 #else   // MACOSX
  43 #include <rtl/string.hxx>
  44
  45 #endif  // MACOSX
  46 #include <rtl/instance.hxx>
  47 #include "i18npool/mslangid.hxx"
  48
  49 // =======================================================================
  50
  51 static LanguageType nImplSystemLanguage = LANGUAGE_DONTKNOW;
  52 static LanguageType nImplSystemUILanguage = LANGUAGE_DONTKNOW;
  53
  54 // -----------------------------------------------------------------------
  55
  56 // Get locale of category LC_CTYPE of environment variables
  57 static const sal_Char* getLangFromEnvironment()
  58 {
  59     static const sal_Char* pFallback = "C";
  60     const sal_Char *pLang = NULL;
  61
  62     pLang = getenv ( "LC_ALL" );
  63     if (! pLang || pLang[0] == 0)
  64         pLang = getenv ( "LC_CTYPE" );
  65     if (! pLang || pLang[0] == 0)
  66         pLang = getenv( "LANG" );
  67     if (! pLang || pLang[0] == 0)
  68         pLang = pFallback;
  69
  70     return pLang;
  71 }
  72
  73 // -----------------------------------------------------------------------
  74
  75 // Get locale of category LC_MESSAGES of environment variables
  76 static const sal_Char* getUILangFromEnvironment()
  77 {
  78     static const sal_Char* pFallback = "C";
  79     const sal_Char *pLang = NULL;
  80
  81     pLang = getenv ( "LANGUAGE" );      // respect the GNU extension
  82     if (! pLang || pLang[0] == 0)
  83         pLang = getenv ( "LC_ALL" );
  84     if (! pLang || pLang[0] == 0)
  85         pLang = getenv ( "LC_MESSAGES" );
  86     if (! pLang || pLang[0] == 0)
  87         pLang = getenv( "LANG" );
  88     if (! pLang || pLang[0] == 0)
  89         pLang = pFallback;
  90
  91     return pLang;
  92 }
  93
  94 // -----------------------------------------------------------------------
  95
  96 typedef const sal_Char * (*getLangFromEnv)();
  97
  98 static void getPlatformSystemLanguageImpl( LanguageType& rSystemLanguage,
  99         getLangFromEnv pGetLangFromEnv )
 100 {
 101     /* get the language from the user environment */
 102     LanguageType nLang = rSystemLanguage;
 103     if ( nLang == LANGUAGE_DONTKNOW )
 104     {
 105         ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex());
 106         nLang = rSystemLanguage;
 107         if ( nLang == LANGUAGE_DONTKNOW )
 108         {
 109 #ifdef MACOSX
 110             rtl_Locale    *procLocale;
 111             (void) pGetLangFromEnv; /* unused */
 112
 113             if ( osl_getProcessLocale(&procLocale) == osl_Process_E_None )
 114             {
 115                 rtl::OUString     rLang( procLocale->Language );
 116                 rtl::OUString     rCountry( procLocale->Country );
 117
 118                 nLang = MsLangId::convertIsoNamesToLanguage( rLang, rCountry );
 119                 OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
 120                 rSystemLanguage = nLang;
 121 #ifdef DEBUG
 122                 if ( rSystemLanguage == LANGUAGE_DONTKNOW )
 123                     fprintf( stderr, "intnunx.cxx:  failed to convert osl_getProcessLocale() language to system language.\n" );
 124 #endif
 125             }
 126 #else   /* MACOSX */
 127             rtl::OString aUnxLang( (pGetLangFromEnv)() );
 128             nLang = MsLangId::convertUnxByteStringToLanguage( aUnxLang );
 129             OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
 130             rSystemLanguage = nLang;
 131 #endif  /* MACOSX */
 132         }
 133         else {
 134             OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
 135         }
 136     }
 137 }
 138
 139 // -----------------------------------------------------------------------
 140
 141 LanguageType MsLangId::getPlatformSystemLanguage()
 142 {
 143     getPlatformSystemLanguageImpl( nImplSystemLanguage, &getLangFromEnvironment);
 144     return nImplSystemLanguage;
 145 }
 146
 147 // -----------------------------------------------------------------------
 148
 149 LanguageType MsLangId::getPlatformSystemUILanguage()
 150 {
 151     getPlatformSystemLanguageImpl( nImplSystemUILanguage, &getUILangFromEnvironment);
 152     return nImplSystemUILanguage;
 153 }