/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (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.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
 * the License for the specific language governing rights and limitations
 * under the License.
 *
 * The Original Code is Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is Netscape Communications
 * Corporation.  Portions created by Netscape are Copyright (C) 1998
 * Netscape Communications Corporation.  All Rights Reserved.
 */

#include "nsUnicodeToT61.h"

//----------------------------------------------------------------------
// Global functions and data [declaration]

static PRUint16 g_T61MappingTable[] = {
#include "t61.uf"
};

static PRInt16 g_T61ShiftTable[] =  {
    3, uMultibytesCharset,  
    ShiftCell(u1ByteChar,   1, 0x00, 0xBF, 0x00, 0x00, 0x00, 0xBF),
    ShiftCell(u1ByteChar,   1, 0xD0, 0xFF, 0x00, 0xD0, 0x00, 0xFF),
    ShiftCell(u2BytesChar,  2, 0xC0, 0xCF, 0xC0, 0x41, 0xCF, 0x7A)
};
//----------------------------------------------------------------------
// Class nsUnicodeToT61 [implementation]

nsUnicodeToT61::nsUnicodeToT61() 
: nsTableEncoderSupport((uShiftTable*) &g_T61ShiftTable, 
                        (uMappingTable*) &g_T61MappingTable)
{
}

nsresult nsUnicodeToT61::CreateInstance(nsISupports ** aResult) 
{
  *aResult = (nsIUnicodeEncoder*) new nsUnicodeToT61();
  return (*aResult == NULL)? NS_ERROR_OUT_OF_MEMORY : NS_OK;
}

//----------------------------------------------------------------------
// Subclassing of nsTableEncoderSupport class [implementation]

NS_IMETHODIMP nsUnicodeToT61::GetMaxLength(const PRUnichar * aSrc, 
                                              PRInt32 aSrcLength,
                                              PRInt32 * aDestLength)
{
  *aDestLength = 2*aSrcLength;
  return NS_OK;
}