i18npool/source/isolang/inunx.cxx

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  28
  29
  30
  31 #include <stdlib.h>  // for getenv()
  32 #include <stdio.h>
  33
  34 #ifdef MACOSX
  35 #include <osl/process.h>
  36 #include <rtl/locale.h>
  37 #include <rtl/ustring.hxx>
  38
  39 #else   // MACOSX
  40 #include <rtl/string.hxx>
  41
  42 #endif  // MACOSX
  43 #include <rtl/instance.hxx>
  44 #include "i18npool/mslangid.hxx"
  45
  46 // =======================================================================
  47
  48 static LanguageType nImplSystemLanguage = LANGUAGE_DONTKNOW;
  49 static LanguageType nImplSystemUILanguage = LANGUAGE_DONTKNOW;
  50
  51 // -----------------------------------------------------------------------
  52
  53 // Get locale of category LC_CTYPE of environment variables
  54 static const sal_Char* getLangFromEnvironment()
  55 {
  56     static const sal_Char* pFallback = "C";
  57     const sal_Char *pLang = NULL;
  58
  59     pLang = getenv ( "LC_ALL" );
  60     if (! pLang || pLang[0] == 0)
  61         pLang = getenv ( "LC_CTYPE" );
  62     if (! pLang || pLang[0] == 0)
  63         pLang = getenv( "LANG" );
  64     if (! pLang || pLang[0] == 0)
  65         pLang = pFallback;
  66
  67     return pLang;
  68 }
  69
  70 // -----------------------------------------------------------------------
  71
  72 // Get locale of category LC_MESSAGES of environment variables
  73 static const sal_Char* getUILangFromEnvironment()
  74 {
  75     static const sal_Char* pFallback = "C";
  76     const sal_Char *pLang = NULL;
  77
  78     pLang = getenv ( "LANGUAGE" );      // respect the GNU extension
  79     if (! pLang || pLang[0] == 0)
  80         pLang = getenv ( "LC_ALL" );
  81     if (! pLang || pLang[0] == 0)
  82         pLang = getenv ( "LC_MESSAGES" );
  83     if (! pLang || pLang[0] == 0)
  84         pLang = getenv( "LANG" );
  85     if (! pLang || pLang[0] == 0)
  86         pLang = pFallback;
  87
  88     return pLang;
  89 }
  90
  91 // -----------------------------------------------------------------------
  92
  93 typedef const sal_Char * (*getLangFromEnv)();
  94
  95 static void getPlatformSystemLanguageImpl( LanguageType& rSystemLanguage,
  96         getLangFromEnv pGetLangFromEnv )
  97 {
  98     /* get the language from the user environment */
  99     LanguageType nLang = rSystemLanguage;
 100     if ( nLang == LANGUAGE_DONTKNOW )
 101     {
 102         ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex());
 103         nLang = rSystemLanguage;
 104         if ( nLang == LANGUAGE_DONTKNOW )
 105         {
 106 #ifdef MACOSX
 107             rtl_Locale    *procLocale;
 108             (void) pGetLangFromEnv; /* unused */
 109
 110             if ( osl_getProcessLocale(&procLocale) == osl_Process_E_None )
 111             {
 112                 rtl::OUString     rLang( procLocale->Language );
 113                 rtl::OUString     rCountry( procLocale->Country );
 114
 115                 nLang = MsLangId::convertIsoNamesToLanguage( rLang, rCountry );
 116                 OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
 117                 rSystemLanguage = nLang;
 118 #ifdef DEBUG
 119                 if ( rSystemLanguage == LANGUAGE_DONTKNOW )
 120                     fprintf( stderr, "intnunx.cxx:  failed to convert osl_getProcessLocale() language to system language.\n" );
 121 #endif
 122             }
 123 #else   /* MACOSX */
 124             rtl::OString aUnxLang( (pGetLangFromEnv)() );
 125             nLang = MsLangId::convertUnxByteStringToLanguage( aUnxLang );
 126             OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
 127             rSystemLanguage = nLang;
 128 #endif  /* MACOSX */
 129         }
 130         else {
 131             OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
 132         }
 133     }
 134 }
 135
 136 // -----------------------------------------------------------------------
 137
 138 LanguageType MsLangId::getPlatformSystemLanguage()
 139 {
 140     getPlatformSystemLanguageImpl( nImplSystemLanguage, &getLangFromEnvironment);
 141     return nImplSystemLanguage;
 142 }
 143
 144 // -----------------------------------------------------------------------
 145
 146 LanguageType MsLangId::getPlatformSystemUILanguage()
 147 {
 148     getPlatformSystemLanguageImpl( nImplSystemUILanguage, &getUILangFromEnvironment);
 149     return nImplSystemUILanguage;
 150 }
 151
 152 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */