/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_tools.hxx"
#include <rtl/tencinfo.h>
#include <tools/tenccvt.hxx>

// =======================================================================

rtl_TextEncoding GetExtendedCompatibilityTextEncoding( rtl_TextEncoding eEncoding )
{
    // Latin1
    if ( eEncoding == RTL_TEXTENCODING_ISO_8859_1 )
        return RTL_TEXTENCODING_MS_1252;
    // Turkey
    else if ( eEncoding == RTL_TEXTENCODING_ISO_8859_9 )
        return RTL_TEXTENCODING_MS_1254;
    else
        return eEncoding;
}

// -----------------------------------------------------------------------

rtl_TextEncoding GetExtendedTextEncoding( rtl_TextEncoding eEncoding )
{
    // Cyr
    if ( eEncoding == RTL_TEXTENCODING_ISO_8859_5 )
        return RTL_TEXTENCODING_MS_1251;
    // Greek (2 Characters different: A1 (0x2018/0x0385), A2 (0x2019/0x0386) -
    // so it is handled in this function and not in GetExtendedCompatibilityTextEncoding)
    else if ( eEncoding == RTL_TEXTENCODING_ISO_8859_7 )
        return RTL_TEXTENCODING_MS_1253;
    // East-Europe - Latin2
    else if ( eEncoding == RTL_TEXTENCODING_ISO_8859_2 )
        return RTL_TEXTENCODING_MS_1250;
    // Latin-15 - Latin 1 mit Euro-Sign
    else if ( eEncoding == RTL_TEXTENCODING_ISO_8859_15 )
        return RTL_TEXTENCODING_MS_1252;
    else
        return GetExtendedCompatibilityTextEncoding( eEncoding );
}

// -----------------------------------------------------------------------

rtl_TextEncoding GetOneByteTextEncoding( rtl_TextEncoding eEncoding )
{
    rtl_TextEncodingInfo aTextEncInfo;
    aTextEncInfo.StructSize = sizeof( aTextEncInfo );
    if ( rtl_getTextEncodingInfo( eEncoding, &aTextEncInfo ) )
    {
        if ( aTextEncInfo.MaximumCharSize > 1 )
            return RTL_TEXTENCODING_MS_1252;
        else
            return eEncoding;
    }
    else
        return RTL_TEXTENCODING_MS_1252;
}

// -----------------------------------------------------------------------

rtl_TextEncoding GetSOLoadTextEncoding( rtl_TextEncoding eEncoding, sal_uInt16 /* nVersion = SOFFICE_FILEFORMAT_50 */ )
{
    return GetExtendedCompatibilityTextEncoding( GetOneByteTextEncoding( eEncoding ) );
}

// -----------------------------------------------------------------------

rtl_TextEncoding GetSOStoreTextEncoding( rtl_TextEncoding eEncoding, sal_uInt16 /* nVersion = SOFFICE_FILEFORMAT_50 */ )
{
    return GetExtendedTextEncoding( GetOneByteTextEncoding( eEncoding ) );
}