The Tor Browser: extensions/universalchardet/src/base/nsEUCTWProber.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "nsEUCTWProber.h"

     7 #include "nsDebug.h"

     9 void  nsEUCTWProber::Reset(void)

    10 {

    11   mCodingSM->Reset();

    12   mState = eDetecting;

    13   mDistributionAnalyser.Reset(mIsPreferredLanguage);

    14   //mContextAnalyser.Reset();

    15 }

    17 nsProbingState nsEUCTWProber::HandleData(const char* aBuf, uint32_t aLen)

    18 {

    19   NS_ASSERTION(aLen, "HandleData called with empty buffer");

    20   nsSMState codingState;

    22   for (uint32_t i = 0; i < aLen; i++)

    23   {

    24     codingState = mCodingSM->NextState(aBuf[i]);

    25     if (codingState == eItsMe)

    26     {

    27       mState = eFoundIt;

    28       break;

    29     }

    30     if (codingState == eStart)

    31     {

    32       uint32_t charLen = mCodingSM->GetCurrentCharLen();

    34       if (i == 0)

    35       {

    36         mLastChar[1] = aBuf[0];

    37         mDistributionAnalyser.HandleOneChar(mLastChar, charLen);

    38       }

    39       else

    40         mDistributionAnalyser.HandleOneChar(aBuf+i-1, charLen);

    41     }

    42   }

    44   mLastChar[0] = aBuf[aLen-1];

    46   if (mState == eDetecting)

    47     if (mDistributionAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD)

    48       mState = eFoundIt;

    49 //    else

    50 //      mDistributionAnalyser.HandleData(aBuf, aLen);

    52   return mState;

    53 }

    55 float nsEUCTWProber::GetConfidence(void)

    56 {

    57   float distribCf = mDistributionAnalyser.GetConfidence();

    59   return (float)distribCf;

    60 }

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