mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-12 09:01:16 +00:00
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/* -*- 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 1.1 (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.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#include "nsUCS2LEToUnicode.h"
|
|
|
|
//----------------------------------------------------------------------
|
|
// Global functions and data [declaration]
|
|
|
|
static PRUint16 g_UCS2LEMappingTable[] = {
|
|
0x0001, 0x0004, 0x0005, 0x0008, 0x0000, 0x0000, 0xFFFF, 0x0000
|
|
};
|
|
|
|
static PRInt16 g_UCS2LEShiftTable[] = {
|
|
0, u2BytesSwapCharset,
|
|
ShiftCell(0, 0, 0, 0, 0, 0, 0, 0),
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
// Class nsUCS2LEToUnicode [implementation]
|
|
|
|
nsUCS2LEToUnicode::nsUCS2LEToUnicode()
|
|
: nsTableDecoderSupport((uShiftTable*) &g_UCS2LEShiftTable,
|
|
(uMappingTable*) &g_UCS2LEMappingTable)
|
|
{
|
|
}
|
|
|
|
nsresult nsUCS2LEToUnicode::CreateInstance(nsISupports ** aResult)
|
|
{
|
|
*aResult = new nsUCS2LEToUnicode();
|
|
return (*aResult == NULL)? NS_ERROR_OUT_OF_MEMORY : NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// Subclassing of nsTableDecoderSupport class [implementation]
|
|
|
|
NS_IMETHODIMP nsUCS2LEToUnicode::GetMaxLength(const char * aSrc,
|
|
PRInt32 aSrcLength,
|
|
PRInt32 * aDestLength)
|
|
{
|
|
if(0 == (aSrcLength % 2))
|
|
{
|
|
*aDestLength = aSrcLength / 2;
|
|
return NS_OK_UENC_EXACTLENGTH;
|
|
} else {
|
|
*aDestLength = (aSrcLength + 1) / 2;
|
|
return NS_OK;
|
|
}
|
|
}
|