LCOV - code coverage report
Current view: directory - extensions/universalchardet/src/base - nsEscCharsetProber.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 36 0 0.0 %
Date: 2012-06-02 Functions: 5 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 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                 : 
      39                 : #include "nsEscCharsetProber.h"
      40                 : #include "nsUniversalDetector.h"
      41                 : 
      42               0 : nsEscCharSetProber::nsEscCharSetProber(PRUint32 aLanguageFilter)
      43                 : {
      44               0 :   for (PRUint32 i = 0; i < NUM_OF_ESC_CHARSETS; i++)
      45               0 :     mCodingSM[i] = nsnull;
      46               0 :   if (aLanguageFilter & NS_FILTER_CHINESE_SIMPLIFIED) 
      47                 :   {
      48               0 :     mCodingSM[0] = new nsCodingStateMachine(&HZSMModel);
      49               0 :     mCodingSM[1] = new nsCodingStateMachine(&ISO2022CNSMModel);
      50                 :   }
      51               0 :   if (aLanguageFilter & NS_FILTER_JAPANESE)
      52               0 :     mCodingSM[2] = new nsCodingStateMachine(&ISO2022JPSMModel);
      53               0 :   if (aLanguageFilter & NS_FILTER_KOREAN)
      54               0 :     mCodingSM[3] = new nsCodingStateMachine(&ISO2022KRSMModel);
      55               0 :   mActiveSM = NUM_OF_ESC_CHARSETS;
      56               0 :   mState = eDetecting;
      57               0 :   mDetectedCharset = nsnull;
      58               0 : }
      59                 : 
      60               0 : nsEscCharSetProber::~nsEscCharSetProber(void)
      61                 : {
      62               0 :   for (PRUint32 i = 0; i < NUM_OF_ESC_CHARSETS; i++)
      63               0 :     delete mCodingSM[i];
      64               0 : }
      65                 : 
      66               0 : void nsEscCharSetProber::Reset(void)
      67                 : {
      68               0 :   mState = eDetecting;
      69               0 :   for (PRUint32 i = 0; i < NUM_OF_ESC_CHARSETS; i++)
      70               0 :     if (mCodingSM[i])
      71               0 :       mCodingSM[i]->Reset();
      72               0 :   mActiveSM = NUM_OF_ESC_CHARSETS;
      73               0 :   mDetectedCharset = nsnull;
      74               0 : }
      75                 : 
      76               0 : nsProbingState nsEscCharSetProber::HandleData(const char* aBuf, PRUint32 aLen)
      77                 : {
      78                 :   nsSMState codingState;
      79                 :   PRInt32 j;
      80                 :   PRUint32 i;
      81                 : 
      82               0 :   for ( i = 0; i < aLen && mState == eDetecting; i++)
      83                 :   {
      84               0 :     for (j = mActiveSM-1; j>= 0; j--)
      85                 :     {
      86               0 :       if (mCodingSM[j])
      87                 :       {
      88               0 :         codingState = mCodingSM[j]->NextState(aBuf[i]);
      89               0 :         if (codingState == eItsMe)
      90                 :         {
      91               0 :           mState = eFoundIt;
      92               0 :           mDetectedCharset = mCodingSM[j]->GetCodingStateMachine();
      93               0 :           return mState;
      94                 :         }
      95                 :       }
      96                 :     }
      97                 :   }
      98                 : 
      99               0 :   return mState;
     100                 : }
     101                 : 

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