1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/extensions/universalchardet/src/base/nsEUCTWProber.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,61 @@
1.4 +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nsEUCTWProber.h"
1.10 +#include "nsDebug.h"
1.11 +
1.12 +void nsEUCTWProber::Reset(void)
1.13 +{
1.14 + mCodingSM->Reset();
1.15 + mState = eDetecting;
1.16 + mDistributionAnalyser.Reset(mIsPreferredLanguage);
1.17 + //mContextAnalyser.Reset();
1.18 +}
1.19 +
1.20 +nsProbingState nsEUCTWProber::HandleData(const char* aBuf, uint32_t aLen)
1.21 +{
1.22 + NS_ASSERTION(aLen, "HandleData called with empty buffer");
1.23 + nsSMState codingState;
1.24 +
1.25 + for (uint32_t i = 0; i < aLen; i++)
1.26 + {
1.27 + codingState = mCodingSM->NextState(aBuf[i]);
1.28 + if (codingState == eItsMe)
1.29 + {
1.30 + mState = eFoundIt;
1.31 + break;
1.32 + }
1.33 + if (codingState == eStart)
1.34 + {
1.35 + uint32_t charLen = mCodingSM->GetCurrentCharLen();
1.36 +
1.37 + if (i == 0)
1.38 + {
1.39 + mLastChar[1] = aBuf[0];
1.40 + mDistributionAnalyser.HandleOneChar(mLastChar, charLen);
1.41 + }
1.42 + else
1.43 + mDistributionAnalyser.HandleOneChar(aBuf+i-1, charLen);
1.44 + }
1.45 + }
1.46 +
1.47 + mLastChar[0] = aBuf[aLen-1];
1.48 +
1.49 + if (mState == eDetecting)
1.50 + if (mDistributionAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD)
1.51 + mState = eFoundIt;
1.52 +// else
1.53 +// mDistributionAnalyser.HandleData(aBuf, aLen);
1.54 +
1.55 + return mState;
1.56 +}
1.57 +
1.58 +float nsEUCTWProber::GetConfidence(void)
1.59 +{
1.60 + float distribCf = mDistributionAnalyser.GetConfidence();
1.61 +
1.62 + return (float)distribCf;
1.63 +}
1.64 +
