nsLatin1Prober.h

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00001 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Universal charset detector code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 2001
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *          Shy Shalom <shooshX@gmail.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
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00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #ifndef nsLatin1Prober_h__
00040 #define nsLatin1Prober_h__
00041 
00042 #include "nsCharSetProber.h"
00043 
00044 #define FREQ_CAT_NUM    4
00045 
00046 class nsLatin1Prober: public nsCharSetProber {
00047 public:
00048   nsLatin1Prober(void){Reset();};
00049   virtual ~nsLatin1Prober(void){};
00050   nsProbingState HandleData(const char* aBuf, PRUint32 aLen);
00051   const char* GetCharSetName() {return "windows-1252";};
00052   nsProbingState GetState(void) {return mState;};
00053   void      Reset(void);
00054   float     GetConfidence(void);
00055   void      SetOpion() {};
00056 
00057 #ifdef DEBUG_chardet
00058   virtual void  DumpStatus();
00059 #endif
00060 
00061 protected:
00062   
00063   nsProbingState mState;
00064   char mLastCharClass;
00065   PRUint32 mFreqCounter[FREQ_CAT_NUM];
00066 };
00067 
00068 
00069 #endif /* nsLatin1Prober_h__ */
00070 
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