LCOV - code coverage report
Current view: directory - intl/chardet/src - nsCyrillicDetector.h (source / functions) Found Hit Coverage
Test: app.info Lines: 22 0 0.0 %
Date: 2012-06-02 Functions: 15 0 0.0 %

       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 of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or 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                 : #ifndef nsCyrillicDetector_h__
      38                 : #define nsCyrillicDetector_h__
      39                 : 
      40                 : #include "nsCyrillicClass.h"
      41                 : 
      42                 : 
      43                 : 
      44                 : 
      45                 : // {2002F781-3960-11d3-B3C3-00805F8A6670}
      46                 : #define NS_RU_PROBDETECTOR_CID \
      47                 : { 0x2002f781, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
      48                 : 
      49                 : 
      50                 : // {2002F782-3960-11d3-B3C3-00805F8A6670}
      51                 : #define NS_UK_PROBDETECTOR_CID \
      52                 : { 0x2002f782, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
      53                 : 
      54                 : // {2002F783-3960-11d3-B3C3-00805F8A6670}
      55                 : #define NS_RU_STRING_PROBDETECTOR_CID \
      56                 : { 0x2002f783, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
      57                 : 
      58                 : // {2002F784-3960-11d3-B3C3-00805F8A6670}
      59                 : #define NS_UK_STRING_PROBDETECTOR_CID \
      60                 : { 0x2002f784, 0x3960, 0x11d3, { 0xb3, 0xc3, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
      61                 : 
      62                 : static const PRUint8 *gCyrillicCls[5] =
      63                 : {
      64                 :    CP1251Map,
      65                 :    KOI8Map,
      66                 :    ISO88595Map,
      67                 :    MacCyrillicMap,
      68                 :    IBM866Map
      69                 : };
      70                 : 
      71                 : static const char * gRussian[5] = {
      72                 :   "windows-1251", 
      73                 :   "KOI8-R", 
      74                 :   "ISO-8859-5", 
      75                 :   "x-mac-cyrillic",
      76                 :   "IBM866"
      77                 : };
      78                 : 
      79                 : static const char * gUkrainian[5] = {
      80                 :   "windows-1251", 
      81                 :   "KOI8-U", 
      82                 :   "ISO-8859-5", 
      83                 :   "x-mac-cyrillic",
      84                 :   "IBM866"
      85                 : };
      86                 : 
      87                 : #define NUM_CYR_CHARSET 5
      88                 : 
      89                 : class nsCyrillicDetector 
      90                 : {
      91                 :   public:
      92               0 :     nsCyrillicDetector(PRUint8 aItems, 
      93                 :                       const PRUint8 ** aCyrillicClass, 
      94               0 :                       const char **aCharsets) {
      95               0 :       mItems = aItems;
      96               0 :       mCyrillicClass = aCyrillicClass;
      97               0 :       mCharsets = aCharsets;
      98               0 :       for(PRUintn i=0;i<mItems;i++)
      99               0 :         mProb[i] = mLastCls[i] =0;
     100               0 :       mDone = false;
     101               0 :     }
     102               0 :     virtual ~nsCyrillicDetector() {}
     103                 :     virtual void HandleData(const char* aBuf, PRUint32 aLen);
     104                 :     virtual void   DataEnd();
     105                 :   protected:
     106                 :     virtual void Report(const char* aCharset) = 0;
     107                 :     bool    mDone;
     108                 : 
     109                 :   private:
     110                 :     PRUint8  mItems;
     111                 :     const PRUint8 ** mCyrillicClass;
     112                 :     const char** mCharsets;
     113                 :     PRUint32 mProb[NUM_CYR_CHARSET];
     114                 :     PRUint8 mLastCls[NUM_CYR_CHARSET];
     115                 : };
     116                 : 
     117                 : class nsCyrXPCOMDetector :  
     118                 :       public nsCyrillicDetector,
     119                 :       public nsICharsetDetector
     120                 : {
     121                 :   public:
     122                 :     // nsISupports interface
     123                 :     NS_DECL_ISUPPORTS
     124                 :     nsCyrXPCOMDetector(PRUint8 aItems, 
     125                 :                       const PRUint8 ** aCyrillicClass, 
     126                 :                       const char **aCharsets);
     127                 :     virtual ~nsCyrXPCOMDetector();
     128                 :     NS_IMETHOD Init(nsICharsetDetectionObserver* aObserver);
     129                 :     NS_IMETHOD DoIt(const char* aBuf, PRUint32 aLen, bool *oDontFeedMe);
     130                 :     NS_IMETHOD Done();
     131                 :   protected:
     132                 :     virtual void Report(const char* aCharset);
     133                 :   private:
     134                 :     nsCOMPtr<nsICharsetDetectionObserver> mObserver;
     135                 : };
     136                 : 
     137                 : class nsCyrXPCOMStringDetector :  
     138                 :       public nsCyrillicDetector,
     139                 :       public nsIStringCharsetDetector
     140                 : {
     141                 :   public:
     142                 :     // nsISupports interface
     143                 :     NS_DECL_ISUPPORTS
     144                 :     nsCyrXPCOMStringDetector(PRUint8 aItems, 
     145                 :                       const PRUint8 ** aCyrillicClass, 
     146                 :                       const char **aCharsets);
     147                 :     virtual ~nsCyrXPCOMStringDetector();
     148                 :     NS_IMETHOD DoIt(const char* aBuf, PRUint32 aLen, 
     149                 :                      const char** oCharset, nsDetectionConfident &oConf);
     150                 :   protected:
     151                 :     virtual void Report(const char* aCharset);
     152                 :   private:
     153                 :     nsCOMPtr<nsICharsetDetectionObserver> mObserver;
     154                 :     const char* mResult;
     155                 : };
     156                 : 
     157                 : class nsRUProbDetector : public nsCyrXPCOMDetector
     158               0 : {
     159                 :   public:
     160               0 :     nsRUProbDetector() 
     161               0 :       : nsCyrXPCOMDetector(5, gCyrillicCls, gRussian) {}
     162                 : };
     163                 : 
     164                 : class nsRUStringProbDetector : public nsCyrXPCOMStringDetector
     165               0 : {
     166                 :   public:
     167               0 :     nsRUStringProbDetector() 
     168               0 :       : nsCyrXPCOMStringDetector(5, gCyrillicCls, gRussian) {}
     169                 : };
     170                 : 
     171                 : class nsUKProbDetector : public nsCyrXPCOMDetector
     172               0 : {
     173                 :   public:
     174               0 :     nsUKProbDetector() 
     175               0 :       : nsCyrXPCOMDetector(5, gCyrillicCls, gUkrainian) {}
     176                 : };
     177                 : 
     178                 : class nsUKStringProbDetector : public nsCyrXPCOMStringDetector
     179               0 : {
     180                 :   public:
     181               0 :     nsUKStringProbDetector() 
     182               0 :       : nsCyrXPCOMStringDetector(5, gCyrillicCls, gUkrainian) {}
     183                 : };
     184                 : 
     185                 : #endif

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