michael@0: /* -*- Mode: C; tab-width: 4; 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: #ifndef nsGBK2312ToUnicode_h___
michael@0: #define nsGBK2312ToUnicode_h___
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsIUnicodeDecoder.h"
michael@0: #include "nsUCSupport.h"
michael@0: #include "nsGBKConvUtil.h"
michael@0: 
michael@0: //----------------------------------------------------------------------
michael@0: // Class nsGBKToUnicode [declaration]
michael@0: 
michael@0: /**
michael@0:  * A character set converter from GBK to Unicode.
michael@0:  * 
michael@0:  *
michael@0:  * @created         07/Sept/1999
michael@0:  * @author  Yueheng Xu, Yueheng.Xu@intel.com
michael@0:  */
michael@0: class nsGBKToUnicode : public nsBufferDecoderSupport
michael@0: {
michael@0: public:
michael@0: 		  
michael@0:   /**
michael@0:    * Class constructor.
michael@0:    */
michael@0:   nsGBKToUnicode() : nsBufferDecoderSupport(1)
michael@0:   {
michael@0:     mExtensionDecoder = nullptr;
michael@0:     m4BytesDecoder = nullptr;
michael@0:   }
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   //--------------------------------------------------------------------
michael@0:   // Subclassing of nsDecoderSupport class [declaration]
michael@0:   NS_IMETHOD ConvertNoBuff(const char* aSrc, int32_t * aSrcLength, char16_t *aDest, int32_t * aDestLength);
michael@0: 
michael@0: protected:
michael@0:   nsGBKConvUtil mUtil;
michael@0:   nsCOMPtr<nsIUnicodeDecoder> mExtensionDecoder;
michael@0:   nsCOMPtr<nsIUnicodeDecoder> m4BytesDecoder;
michael@0: 
michael@0:   virtual void CreateExtensionDecoder();
michael@0:   virtual void Create4BytesDecoder();
michael@0:   bool TryExtensionDecoder(const char* aSrc, char16_t* aDest);
michael@0:   bool Try4BytesDecoder(const char* aSrc, char16_t* aDest);
michael@0:   virtual bool DecodeToSurrogate(const char* aSrc, char16_t* aDest);
michael@0: 
michael@0: };
michael@0: 
michael@0: 
michael@0: class nsGB18030ToUnicode : public nsGBKToUnicode
michael@0: {
michael@0: public:
michael@0:   nsGB18030ToUnicode() {}
michael@0:   virtual ~nsGB18030ToUnicode() {}
michael@0: protected:
michael@0:   virtual void CreateExtensionDecoder();
michael@0:   virtual void Create4BytesDecoder();
michael@0:   virtual bool DecodeToSurrogate(const char* aSrc, char16_t* aDest);
michael@0: };
michael@0: 
michael@0: #endif /* nsGBK2312ToUnicode_h___ */
michael@0: