gecko-dev/intl/uconv/ucvlatin/nsUTF7ToUnicode.h

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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/. */
#ifndef nsUTF7ToUnicode_h___
#define nsUTF7ToUnicode_h___
#include "nsUCSupport.h"
//----------------------------------------------------------------------
// Class nsBasicUTF7Decoder [declaration]
/**
* Basic class for a character set converter from UTF-7 to Unicode.
*
* @created 03/Jun/1999
* @author Catalin Rotaru [CATA]
*/
class nsBasicUTF7Decoder : public nsBufferDecoderSupport
{
public:
/**
* Class constructor.
*/
nsBasicUTF7Decoder(char aLastChar, char aEscChar);
protected:
int32_t mEncoding; // current encoding
uint32_t mEncBits;
int32_t mEncStep;
char mLastChar;
char mEscChar;
bool mFreshBase64;
nsresult DecodeDirect(const char * aSrc, int32_t * aSrcLength,
PRUnichar * aDest, int32_t * aDestLength);
nsresult DecodeBase64(const char * aSrc, int32_t * aSrcLength,
PRUnichar * aDest, int32_t * aDestLength);
uint32_t CharToValue(char aChar);
//--------------------------------------------------------------------
// Subclassing of nsBufferDecoderSupport class [declaration]
NS_IMETHOD ConvertNoBuff(const char * aSrc, int32_t * aSrcLength,
PRUnichar * aDest, int32_t * aDestLength);
NS_IMETHOD Reset();
};
//----------------------------------------------------------------------
// Class nsUTF7ToUnicode [declaration]
/**
* A character set converter from Modified UTF7 to Unicode.
*
* @created 18/May/1999
* @author Catalin Rotaru [CATA]
*/
class nsUTF7ToUnicode : public nsBasicUTF7Decoder
{
public:
/**
* Class constructor.
*/
nsUTF7ToUnicode();
};
#endif /* nsUTF7ToUnicode_h___ */