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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
#ifndef nsUnicodeToUTF7_h___
#define nsUnicodeToUTF7_h___
//----------------------------------------------------------------------
// Class nsBasicUTF7Encoder [declaration]
/**
* Basic class for a character set converter from Unicode to UTF-7.
*
* @created 03/Jun/1999
* @author Catalin Rotaru [CATA]
*/
class nsBasicUTF7Encoder {
public:
/**
* Class constructor.
*/
nsBasicUTF7Encoder(char aLastChar, char aEscChar);
NS_IMETHOD ConvertNoBuffNoErr(const char16_t* aSrc, int32_t* aSrcLength,
char* aDest, int32_t* aDestLength);
NS_IMETHOD FinishNoBuff(char* aDest, int32_t* aDestLength);
protected:
int32_t mEncoding; // current encoding
uint32_t mEncBits;
int32_t mEncStep;
char mLastChar;
char mEscChar;
nsresult ShiftEncoding(int32_t aEncoding, char* aDest, int32_t* aDestLength);
nsresult EncodeDirect(const char16_t* aSrc, int32_t* aSrcLength, char* aDest,
int32_t* aDestLength);
nsresult EncodeBase64(const char16_t* aSrc, int32_t* aSrcLength, char* aDest,
int32_t* aDestLength);
char ValueToChar(uint32_t aValue);
virtual bool DirectEncodable(char16_t aChar);
//--------------------------------------------------------------------
// Subclassing of nsEncoderSupport class [declaration]
NS_IMETHOD Reset();
};
//----------------------------------------------------------------------
// Class nsUnicodeToUTF7 [declaration]
/**
* A character set converter from Unicode to UTF-7.
*
* @created 03/Jun/1999
* @author Catalin Rotaru [CATA]
*/
class nsUnicodeToUTF7 : public nsBasicUTF7Encoder {
public:
/**
* Class constructor.
*/
nsUnicodeToUTF7();
protected:
virtual bool DirectEncodable(char16_t aChar);
};
#endif /* nsUnicodeToUTF7_h___ */