The Tor Browser / file comparison
comparison: extensions/universalchardet/src/base/nsBig5Prober.cpp
extensions/universalchardet/src/base/nsBig5Prober.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:af81309167f7 |
|---|---|
| 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/. */ | |
| 5 | |
| 6 #include "nsBig5Prober.h" | |
| 7 #include "nsDebug.h" | |
| 8 | |
| 9 void nsBig5Prober::Reset(void) | |
| 10 { | |
| 11 mCodingSM->Reset(); | |
| 12 mState = eDetecting; | |
| 13 mDistributionAnalyser.Reset(mIsPreferredLanguage); | |
| 14 } | |
| 15 | |
| 16 nsProbingState nsBig5Prober::HandleData(const char* aBuf, uint32_t aLen) | |
| 17 { | |
| 18 NS_ASSERTION(aLen, "HandleData called with empty buffer"); | |
| 19 nsSMState codingState; | |
| 20 | |
| 21 for (uint32_t i = 0; i < aLen; i++) | |
| 22 { | |
| 23 codingState = mCodingSM->NextState(aBuf[i]); | |
| 24 if (codingState == eItsMe) | |
| 25 { | |
| 26 mState = eFoundIt; | |
| 27 break; | |
| 28 } | |
| 29 if (codingState == eStart) | |
| 30 { | |
| 31 uint32_t charLen = mCodingSM->GetCurrentCharLen(); | |
| 32 | |
| 33 if (i == 0) | |
| 34 { | |
| 35 mLastChar[1] = aBuf[0]; | |
| 36 mDistributionAnalyser.HandleOneChar(mLastChar, charLen); | |
| 37 } | |
| 38 else | |
| 39 mDistributionAnalyser.HandleOneChar(aBuf+i-1, charLen); | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 mLastChar[0] = aBuf[aLen-1]; | |
| 44 | |
| 45 if (mState == eDetecting) | |
| 46 if (mDistributionAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD) | |
| 47 mState = eFoundIt; | |
| 48 | |
| 49 return mState; | |
| 50 } | |
| 51 | |
| 52 float nsBig5Prober::GetConfidence(void) | |
| 53 { | |
| 54 float distribCf = mDistributionAnalyser.GetConfidence(); | |
| 55 | |
| 56 return (float)distribCf; | |
| 57 } | |
| 58 |
