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69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsGBK2312ToUnicode_h___
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#define nsGBK2312ToUnicode_h___
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#include "nsCOMPtr.h"
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#include "nsIUnicodeDecoder.h"
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#include "nsUCSupport.h"
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#include "nsGBKConvUtil.h"
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//----------------------------------------------------------------------
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// Class nsGBKToUnicode [declaration]
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/**
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* A character set converter from GBK to Unicode.
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*
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*
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* @created 07/Sept/1999
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* @author Yueheng Xu, Yueheng.Xu@intel.com
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*/
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class nsGBKToUnicode : public nsBufferDecoderSupport
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{
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public:
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/**
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* Class constructor.
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*/
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nsGBKToUnicode() : nsBufferDecoderSupport(1)
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{
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mExtensionDecoder = nullptr;
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m4BytesDecoder = nullptr;
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}
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protected:
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//--------------------------------------------------------------------
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// Subclassing of nsDecoderSupport class [declaration]
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NS_IMETHOD ConvertNoBuff(const char* aSrc, int32_t * aSrcLength, PRUnichar *aDest, int32_t * aDestLength);
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protected:
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nsGBKConvUtil mUtil;
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nsCOMPtr<nsIUnicodeDecoder> mExtensionDecoder;
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nsCOMPtr<nsIUnicodeDecoder> m4BytesDecoder;
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virtual void CreateExtensionDecoder();
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virtual void Create4BytesDecoder();
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bool TryExtensionDecoder(const char* aSrc, PRUnichar* aDest);
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bool Try4BytesDecoder(const char* aSrc, PRUnichar* aDest);
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virtual bool DecodeToSurrogate(const char* aSrc, PRUnichar* aDest);
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};
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class nsGB18030ToUnicode : public nsGBKToUnicode
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{
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public:
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nsGB18030ToUnicode() {}
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virtual ~nsGB18030ToUnicode() {}
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protected:
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virtual void CreateExtensionDecoder();
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virtual void Create4BytesDecoder();
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virtual bool DecodeToSurrogate(const char* aSrc, PRUnichar* aDest);
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};
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#endif /* nsGBK2312ToUnicode_h___ */
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