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63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* -*- C++ -*-
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* Copyright (C) 1998 <developer@mozilla.org>
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*
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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// for S-JIS encoding, obeserve characteristic:
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// 1, kana character (or hankaku?) often have hight frequency of appereance
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// 2, kana character often exist in group
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// 3, certain combination of kana is never used in japanese language
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#ifndef nsEUCJPProber_h__
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#define nsEUCJPProber_h__
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#include "nsCharSetProber.h"
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#include "nsCodingStateMachine.h"
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#include "JpCntx.h"
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#include "CharDistribution.h"
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namespace kencodingprober {
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class KDE_NO_EXPORT nsEUCJPProber: public nsCharSetProber {
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public:
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nsEUCJPProber(void){mCodingSM = new nsCodingStateMachine(&EUCJPSMModel);
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Reset();};
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virtual ~nsEUCJPProber(void){delete mCodingSM;};
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nsProbingState HandleData(const char* aBuf, unsigned int aLen);
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const char* GetCharSetName() {return "EUC-JP";};
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nsProbingState GetState(void) {return mState;};
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void Reset(void);
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float GetConfidence(void);
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void SetOpion() {};
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protected:
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nsCodingStateMachine* mCodingSM;
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nsProbingState mState;
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EUCJPContextAnalysis mContextAnalyser;
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EUCJPDistributionAnalysis mDistributionAnalyser;
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char mLastChar[2];
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};
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}
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#endif /* nsEUCJPProber_h__ */
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