gecko-dev/intl/uconv/ucvcn/nsGBKToUnicode.h

57 lines
1.6 KiB
C++

/* -*- Mode: C; tab-width: 4; 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/. */
#ifndef nsGBKToUnicode_h___
#define nsGBKToUnicode_h___
#include "nsCOMPtr.h"
#include "nsIUnicodeDecoder.h"
#include "nsUCSupport.h"
#include "nsGBKConvUtil.h"
//----------------------------------------------------------------------
// Class nsGB18030ToUnicode [declaration]
/**
* A character set converter from GB18030 to Unicode.
*
*
* @created 07/Sept/1999
* @author Yueheng Xu, Yueheng.Xu@intel.com
*/
class nsGB18030ToUnicode : public nsBufferDecoderSupport
{
public:
/**
* Class constructor.
*/
nsGB18030ToUnicode() : nsBufferDecoderSupport(1)
{
mExtensionDecoder = nullptr;
m4BytesDecoder = nullptr;
}
protected:
//--------------------------------------------------------------------
// Subclassing of nsDecoderSupport class [declaration]
NS_IMETHOD ConvertNoBuff(const char* aSrc, int32_t * aSrcLength, char16_t *aDest, int32_t * aDestLength);
protected:
nsGBKConvUtil mUtil;
nsCOMPtr<nsIUnicodeDecoder> mExtensionDecoder;
nsCOMPtr<nsIUnicodeDecoder> m4BytesDecoder;
void CreateExtensionDecoder();
void Create4BytesDecoder();
bool TryExtensionDecoder(const char* aSrc, char16_t* aDest);
bool Try4BytesDecoder(const char* aSrc, char16_t* aDest);
bool DecodeToSurrogate(const char* aSrc, char16_t* aDest);
};
#endif /* nsGBKToUnicode_h___ */