pjs/intl/uconv/ucvcn/nsHZToUnicode.h

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1.9 KiB
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsHZToUnicode_h___
#define nsHZToUnicode_h___
#include "nsUCvCnSupport.h"
//----------------------------------------------------------------------
// Class nsHZToUnicode [declaration]
/**
* A character set converter from GBK to Unicode.
*
*
* @created 08/Sept/1999
* @author Yueheng Xu, Yueheng.Xu@intel.com
*/
class nsHZToUnicode : public nsBufferDecoderSupport
{
public:
/**
* Class constructor.
*/
nsHZToUnicode(){};
virtual ~nsHZToUnicode(){};
/**
* Static class constructor.
*/
static nsresult CreateInstance(nsISupports **aResult);
protected:
//--------------------------------------------------------------------
// Subclassing of nsDecoderSupport class [declaration]
NS_IMETHOD ConvertNoBuff(const char* aSrc,
PRInt32 * aSrcLength,
PRUnichar *aDest,
PRInt32 * aDestLength);
NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength,
PRInt32 * aDestLength);
private:
typedef struct
{
PRUint8 leftbyte;
PRUint8 rightbyte;
} DByte;
void HZToUnicode(DByte *pGBCode, PRUnichar * pUnicode);
void GBToUnicode(DByte *pGBCode, PRUnichar * pUnicode);
};
#endif /* nsHZToUnicode_h___ */