michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsUTF8ToUnicode_h___
michael@0: #define nsUTF8ToUnicode_h___
michael@0: 
michael@0: #include "nsUCSupport.h"
michael@0: 
michael@0: // Class ID for our UTF8ToUnicode charset converter
michael@0: // {5534DDC0-DD96-11d2-8AAC-00600811A836}
michael@0: #define NS_UTF8TOUNICODE_CID \
michael@0:   { 0x5534ddc0, 0xdd96, 0x11d2, {0x8a, 0xac, 0x0, 0x60, 0x8, 0x11, 0xa8, 0x36}}
michael@0: 
michael@0: #define NS_UTF8TOUNICODE_CONTRACTID "@mozilla.org/intl/unicode/decoder;1?charset=UTF-8"
michael@0: 
michael@0: //#define NS_ERROR_UCONV_NOUTF8TOUNICODE  
michael@0: //  NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_UCONV, 0x31)
michael@0: 
michael@0: //----------------------------------------------------------------------
michael@0: // Class nsUTF8ToUnicode [declaration]
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * A character set converter from UTF8 to Unicode.
michael@0:  *
michael@0:  * @created         18/Mar/1998
michael@0:  * @modified        04/Feb/2000
michael@0:  * @author  Catalin Rotaru [CATA]
michael@0:  */
michael@0: 
michael@0: class nsUTF8ToUnicode : public nsBasicDecoderSupport
michael@0: {
michael@0: public:
michael@0: 
michael@0:   /**
michael@0:    * Class constructor.
michael@0:    */
michael@0:   nsUTF8ToUnicode();
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   uint32_t mUcs4; // cached Unicode character
michael@0:   uint8_t mState; // cached expected number of bytes per UTF8 character sequence
michael@0:   uint8_t mBytes;
michael@0:   bool mFirst;
michael@0: 
michael@0:   //--------------------------------------------------------------------
michael@0:   // Subclassing of nsDecoderSupport class [declaration]
michael@0: 
michael@0:   NS_IMETHOD GetMaxLength(const char * aSrc, int32_t aSrcLength, 
michael@0:       int32_t * aDestLength);
michael@0: 
michael@0:   //--------------------------------------------------------------------
michael@0:   // Subclassing of nsBasicDecoderSupport class [declaration]
michael@0: 
michael@0:   NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength, 
michael@0:       char16_t * aDest, int32_t * aDestLength);
michael@0: 
michael@0:   //--------------------------------------------------------------------
michael@0:   // Subclassing of nsBasicDecoderSupport class [declaration]
michael@0: 
michael@0:   NS_IMETHOD Reset();
michael@0: 
michael@0: };
michael@0: 
michael@0: #endif /* nsUTF8ToUnicode_h___ */
michael@0: