1 files changed, 162 insertions, 0 deletions
diff --git a/i18nlangtag/source/isolang/inunx.cxx b/i18nlangtag/source/isolang/inunx.cxx
new file mode 100644
index 000000000..4dd4cdb35
--- /dev/null
+++ b/i18nlangtag/source/isolang/inunx.cxx
@@ -0,0 +1,162 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <stdlib.h>
+
+#ifdef MACOSX
+#include <osl/process.h>
+#include <rtl/locale.h>
+#include <rtl/ustring.hxx>
+#include <i18nlangtag/languagetag.hxx>
+
+#else   // MACOSX
+#include <rtl/string.hxx>
+#endif  // MACOSX
+
+#include <osl/mutex.hxx>
+#include <osl/doublecheckedlocking.h>
+#include <i18nlangtag/mslangid.hxx>
+
+
+static LanguageType nImplSystemLanguage = LANGUAGE_DONTKNOW;
+static LanguageType nImplSystemUILanguage = LANGUAGE_DONTKNOW;
+
+
+// Get locale of category LC_CTYPE of environment variables
+static const char* getLangFromEnvironment( bool& rbColonList )
+{
+    static const char* const pFallback = "C";
+    const char *pLang = nullptr;
+
+    rbColonList = false;
+    pLang = getenv ( "LC_ALL" );
+    if (! pLang || pLang[0] == 0)
+        pLang = getenv ( "LC_CTYPE" );
+    if (! pLang || pLang[0] == 0)
+        pLang = getenv( "LANG" );
+    if (! pLang || pLang[0] == 0)
+        pLang = pFallback;
+
+    return pLang;
+}
+
+
+// Get locale of category LC_MESSAGES of environment variables
+static const char* getUILangFromEnvironment( bool& rbColonList )
+{
+    static const char* const pFallback = "C";
+    const char *pLang = nullptr;
+
+    rbColonList = true;
+    pLang = getenv ( "LANGUAGE" );      // respect the GNU extension
+    if (! pLang || pLang[0] == 0)
+    {
+        rbColonList = false;
+        pLang = getenv ( "LC_ALL" );
+    }
+    if (! pLang || pLang[0] == 0)
+        pLang = getenv ( "LC_MESSAGES" );
+    if (! pLang || pLang[0] == 0)
+        pLang = getenv( "LANG" );
+    if (! pLang || pLang[0] == 0)
+        pLang = pFallback;
+
+    return pLang;
+}
+
+
+typedef const char * (*getLangFromEnv)( bool& rbColonList );
+
+static void getPlatformSystemLanguageImpl( LanguageType& rSystemLanguage,
+        getLangFromEnv pGetLangFromEnv )
+{
+    /* get the language from the user environment */
+    LanguageType nLang = rSystemLanguage;
+    if ( nLang != LANGUAGE_DONTKNOW )
+        return;
+
+    ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex());
+    nLang = rSystemLanguage;
+    if ( nLang == LANGUAGE_DONTKNOW )
+    {
+#ifdef MACOSX
+        rtl_Locale    *procLocale;
+        (void) pGetLangFromEnv; /* unused */
+
+        if ( osl_getProcessLocale(&procLocale) == osl_Process_E_None )
+        {
+            nLang = LanguageTag( *procLocale ).makeFallback().getLanguageType();
+            OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
+            rSystemLanguage = nLang;
+#ifdef DEBUG
+            if ( rSystemLanguage == LANGUAGE_DONTKNOW )
+                fprintf( stderr, "intnunx.cxx:  failed to convert osl_getProcessLocale() language to system language.\n" );
+#endif
+        }
+#else   /* MACOSX */
+        bool bColonList = false;
+        OString aUnxLang( pGetLangFromEnv( bColonList));
+        if (bColonList)
+        {
+            // Only a very simple "take first". If empty try second or keep empty.
+            sal_Int32 n = aUnxLang.indexOf(':');
+            if (n >= 0)
+            {
+                sal_Int32 s = 0;
+                if (n == 0 && aUnxLang.getLength() > 1)
+                {
+                    n = aUnxLang.indexOf(':', 1);
+                    if (n < 0)
+                        n = aUnxLang.getLength();
+                    if (n < 2)
+                        s = n = 0;
+                    else
+                    {
+                        s = 1;
+                        --n;
+                    }
+                }
+                aUnxLang = aUnxLang.copy(s,n);
+            }
+        }
+        nLang = MsLangId::convertUnxByteStringToLanguage( aUnxLang );
+        OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
+        rSystemLanguage = nLang;
+#endif  /* MACOSX */
+    }
+    else {
+        OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
+    }
+}
+
+
+LanguageType MsLangId::getPlatformSystemLanguage()
+{
+    getPlatformSystemLanguageImpl( nImplSystemLanguage, &getLangFromEnvironment);
+    return nImplSystemLanguage;
+}
+
+
+LanguageType MsLangId::getPlatformSystemUILanguage()
+{
+    getPlatformSystemLanguageImpl( nImplSystemUILanguage, &getUILangFromEnvironment);
+    return nImplSystemUILanguage;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */