diff options
Diffstat (limited to 'comm/mailnews/intl/nsUTF7ToUnicode.h')
-rw-r--r-- | comm/mailnews/intl/nsUTF7ToUnicode.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/comm/mailnews/intl/nsUTF7ToUnicode.h b/comm/mailnews/intl/nsUTF7ToUnicode.h new file mode 100644 index 0000000000..b7b5be4522 --- /dev/null +++ b/comm/mailnews/intl/nsUTF7ToUnicode.h @@ -0,0 +1,64 @@ +/* -*- 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___ + +//---------------------------------------------------------------------- +// 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: + /** + * Class constructor. + */ + nsBasicUTF7Decoder(char aLastChar, char aEscChar); + NS_IMETHOD ConvertNoBuff(const char* aSrc, int32_t* aSrcLength, + char16_t* aDest, int32_t* aDestLength); + + 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, char16_t* aDest, + int32_t* aDestLength); + nsresult DecodeBase64(const char* aSrc, int32_t* aSrcLength, char16_t* aDest, + int32_t* aDestLength); + uint32_t CharToValue(char aChar); + + //-------------------------------------------------------------------- + // Subclassing of nsBufferDecoderSupport class [declaration] + + 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___ */ |