1 files changed, 67 insertions, 0 deletions
diff --git a/tools/source/rc/isofallback.cxx b/tools/source/rc/isofallback.cxx
new file mode 100644
index 000000000000..002a90f580aa
--- /dev/null
+++ b/tools/source/rc/isofallback.cxx
@@ -0,0 +1,67 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_tools.hxx"
+
+#include <tools/isofallback.hxx>
+
+// -----------------------------------------------------------------------
+
+// Return true if valid fallback found
+sal_Bool GetIsoFallback( ByteString& rLanguage )
+{
+    rLanguage.EraseLeadingAndTrailingChars();
+    if( rLanguage.Len() ){
+        xub_StrLen nSepPos = rLanguage.Search( '-' );
+        if ( nSepPos == STRING_NOTFOUND ){
+            if ( rLanguage.Equals("en"))
+            {
+                // en -> ""
+                rLanguage.Erase();
+                return false;
+            }
+            else
+            {
+                // de -> en-US ;
+                rLanguage = ByteString("en-US");
+                return true;
+            }
+        }
+        else if( !( nSepPos == 1 && ( rLanguage.GetChar(0) == 'x' || rLanguage.GetChar(0) == 'X' ) ) )
+        {
+            // de-CH -> de ;
+            // try erase from -
+            rLanguage = rLanguage.GetToken( 0, '-');
+            return true;
+        }
+    }
+    // "" -> ""; x-no-translate -> ""
+    rLanguage.Erase();
+    return false;
+}
+