1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* ***** BEGIN LICENSE BLOCK ***** 3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 4 * 5 * The contents of this file are subject to the Mozilla Public License Version 6 * 1.1 (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * http://www.mozilla.org/MPL/ 9 * 10 * Software distributed under the License is distributed on an "AS IS" basis, 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 12 * for the specific language governing rights and limitations under the 13 * License. 14 * 15 * The Original Code is mozilla.org code. 16 * 17 * The Initial Developer of the Original Code is 18 * Netscape Communications Corporation. 19 * Portions created by the Initial Developer are Copyright (C) 1998 20 * the Initial Developer. All Rights Reserved. 21 * 22 * Contributor(s): 23 * 24 * Alternatively, the contents of this file may be used under the terms of 25 * either the GNU General Public License Version 2 or later (the "GPL"), or 26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), 27 * in which case the provisions of the GPL or the LGPL are applicable instead 28 * of those above. If you wish to allow use of your version of this file only 29 * under the terms of either the GPL or the LGPL, and not to allow others to 30 * use your version of this file under the terms of the MPL, indicate your 31 * decision by deleting the provisions above and replace them with the notice 32 * and other provisions required by the GPL or the LGPL. If you do not delete 33 * the provisions above, a recipient may use your version of this file under 34 * the terms of any one of the MPL, the GPL or the LGPL. 35 * 36 * ***** END LICENSE BLOCK ***** */ 37 38 // for S-JIS encoding, obeserve characteristic: 39 // 1, kana character (or hankaku?) often have hight frequency of appereance 40 // 2, kana character often exist in group 41 // 3, certain combination of kana is never used in japanese language 42 43 #ifndef nsEUCJPProber_h__ 44 #define nsEUCJPProber_h__ 45 46 #include "nsCharSetProber.h" 47 #include "nsCodingStateMachine.h" 48 #include "JpCntx.h" 49 #include "CharDistribution.h" 50 51 class nsEUCJPProber: public nsCharSetProber { 52 public: nsEUCJPProber(void)53 nsEUCJPProber(void){mCodingSM = new nsCodingStateMachine(&EUCJPSMModel); 54 Reset();}; ~nsEUCJPProber(void)55 virtual ~nsEUCJPProber(void){delete mCodingSM;}; 56 nsProbingState HandleData(const char* aBuf, PRUint32 aLen); GetCharSetName()57 const char* GetCharSetName() {return "EUC-JP";}; GetState(void)58 nsProbingState GetState(void) {return mState;}; 59 void Reset(void); 60 float GetConfidence(void); SetOpion()61 void SetOpion() {}; 62 63 protected: 64 nsCodingStateMachine* mCodingSM; 65 nsProbingState mState; 66 67 EUCJPContextAnalysis mContextAnalyser; 68 EUCJPDistributionAnalysis mDistributionAnalyser; 69 70 char mLastChar[2]; 71 }; 72 73 74 #endif /* nsEUCJPProber_h__ */ 75 76