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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* A character set converter from Unicode to GBK.
*
*
* @created 08/Sept/1999
* @author Yueheng Xu, Yueheng.Xu@intel.com
*/
#ifndef nsUnicodeToGBK_h___
#define nsUnicodeToGBK_h___
#include "nsUCSupport.h"
#include "nsCOMPtr.h"
#include "nsIUnicodeEncoder.h"
#include "nsGBKConvUtil.h"
//----------------------------------------------------------------------
// Class nsUnicodeToGBK [declaration]
class nsUnicodeToGBK: public nsEncoderSupport
{
public:
/**
* Class constructor.
*/
explicit nsUnicodeToGBK(uint32_t aMaxLengthFactor = 2);
virtual ~nsUnicodeToGBK() {}
protected:
//--------------------------------------------------------------------
// Subclassing of nsEncoderSupport class [declaration]
NS_IMETHOD ConvertNoBuffNoErr(const char16_t * aSrc,
int32_t * aSrcLength,
char * aDest,
int32_t * aDestLength);
protected:
char16_t mSurrogateHigh;
nsGBKConvUtil mUtil;
virtual nsresult TryExtensionEncoder(char16_t aChar, char* aDest,
int32_t* aOutLen);
virtual nsresult Try4BytesEncoder(char16_t aChar, char* aDest,
int32_t* aOutLen);
virtual nsresult EncodeSurrogate(char16_t aSurrogateHigh,
char16_t aSurrogateLow, char* aDest,
int32_t aDestLength, int32_t aBufferLength);
};
class nsUnicodeToGB18030: public nsUnicodeToGBK
{
public:
nsUnicodeToGB18030() : nsUnicodeToGBK(4) {}
virtual ~nsUnicodeToGB18030() {}
protected:
virtual nsresult TryExtensionEncoder(char16_t aChar, char* aDest,
int32_t* aOutLen) override;
virtual nsresult Try4BytesEncoder(char16_t aChar, char* aDest,
int32_t* aOutLen) override;
virtual nsresult EncodeSurrogate(char16_t aSurrogateHigh,
char16_t aSurrogateLow, char* aDest,
int32_t aDestLength,
int32_t aBufferLength) override;
};
#endif /* nsUnicodeToGBK_h___ */
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