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comparison: extensions/universalchardet/src/base/nsEscCharsetProber.cpp
extensions/universalchardet/src/base/nsEscCharsetProber.cpp
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- 6474c204b198
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| 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 | |
| 7 #include "nsEscCharsetProber.h" | |
| 8 #include "nsUniversalDetector.h" | |
| 9 | |
| 10 nsEscCharSetProber::nsEscCharSetProber(uint32_t aLanguageFilter) | |
| 11 { | |
| 12 for (uint32_t i = 0; i < NUM_OF_ESC_CHARSETS; i++) | |
| 13 mCodingSM[i] = nullptr; | |
| 14 if (aLanguageFilter & NS_FILTER_CHINESE_SIMPLIFIED) | |
| 15 { | |
| 16 mCodingSM[0] = new nsCodingStateMachine(&HZSMModel); | |
| 17 mCodingSM[1] = new nsCodingStateMachine(&ISO2022CNSMModel); | |
| 18 } | |
| 19 if (aLanguageFilter & NS_FILTER_JAPANESE) | |
| 20 mCodingSM[2] = new nsCodingStateMachine(&ISO2022JPSMModel); | |
| 21 if (aLanguageFilter & NS_FILTER_KOREAN) | |
| 22 mCodingSM[3] = new nsCodingStateMachine(&ISO2022KRSMModel); | |
| 23 mActiveSM = NUM_OF_ESC_CHARSETS; | |
| 24 mState = eDetecting; | |
| 25 mDetectedCharset = nullptr; | |
| 26 } | |
| 27 | |
| 28 nsEscCharSetProber::~nsEscCharSetProber(void) | |
| 29 { | |
| 30 for (uint32_t i = 0; i < NUM_OF_ESC_CHARSETS; i++) | |
| 31 delete mCodingSM[i]; | |
| 32 } | |
| 33 | |
| 34 void nsEscCharSetProber::Reset(void) | |
| 35 { | |
| 36 mState = eDetecting; | |
| 37 for (uint32_t i = 0; i < NUM_OF_ESC_CHARSETS; i++) | |
| 38 if (mCodingSM[i]) | |
| 39 mCodingSM[i]->Reset(); | |
| 40 mActiveSM = NUM_OF_ESC_CHARSETS; | |
| 41 mDetectedCharset = nullptr; | |
| 42 } | |
| 43 | |
| 44 nsProbingState nsEscCharSetProber::HandleData(const char* aBuf, uint32_t aLen) | |
| 45 { | |
| 46 nsSMState codingState; | |
| 47 int32_t j; | |
| 48 uint32_t i; | |
| 49 | |
| 50 for ( i = 0; i < aLen && mState == eDetecting; i++) | |
| 51 { | |
| 52 for (j = mActiveSM-1; j>= 0; j--) | |
| 53 { | |
| 54 if (mCodingSM[j]) | |
| 55 { | |
| 56 codingState = mCodingSM[j]->NextState(aBuf[i]); | |
| 57 if (codingState == eItsMe) | |
| 58 { | |
| 59 mState = eFoundIt; | |
| 60 mDetectedCharset = mCodingSM[j]->GetCodingStateMachine(); | |
| 61 return mState; | |
| 62 } | |
| 63 } | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 return mState; | |
| 68 } | |
| 69 |
