extensions/universalchardet/src/base/nsEscCharsetProber.cpp@b8a032363ba2 (annotated)
extensions/universalchardet/src/base/nsEscCharsetProber.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | |
| michael@0 | 7 | #include "nsEscCharsetProber.h" |
| michael@0 | 8 | #include "nsUniversalDetector.h" |
| michael@0 | 9 | |
| michael@0 | 10 | nsEscCharSetProber::nsEscCharSetProber(uint32_t aLanguageFilter) |
| michael@0 | 11 | { |
| michael@0 | 12 | for (uint32_t i = 0; i < NUM_OF_ESC_CHARSETS; i++) |
| michael@0 | 13 | mCodingSM[i] = nullptr; |
| michael@0 | 14 | if (aLanguageFilter & NS_FILTER_CHINESE_SIMPLIFIED) |
| michael@0 | 15 | { |
| michael@0 | 16 | mCodingSM[0] = new nsCodingStateMachine(&HZSMModel); |
| michael@0 | 17 | mCodingSM[1] = new nsCodingStateMachine(&ISO2022CNSMModel); |
| michael@0 | 18 | } |
| michael@0 | 19 | if (aLanguageFilter & NS_FILTER_JAPANESE) |
| michael@0 | 20 | mCodingSM[2] = new nsCodingStateMachine(&ISO2022JPSMModel); |
| michael@0 | 21 | if (aLanguageFilter & NS_FILTER_KOREAN) |
| michael@0 | 22 | mCodingSM[3] = new nsCodingStateMachine(&ISO2022KRSMModel); |
| michael@0 | 23 | mActiveSM = NUM_OF_ESC_CHARSETS; |
| michael@0 | 24 | mState = eDetecting; |
| michael@0 | 25 | mDetectedCharset = nullptr; |
| michael@0 | 26 | } |
| michael@0 | 27 | |
| michael@0 | 28 | nsEscCharSetProber::~nsEscCharSetProber(void) |
| michael@0 | 29 | { |
| michael@0 | 30 | for (uint32_t i = 0; i < NUM_OF_ESC_CHARSETS; i++) |
| michael@0 | 31 | delete mCodingSM[i]; |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | void nsEscCharSetProber::Reset(void) |
| michael@0 | 35 | { |
| michael@0 | 36 | mState = eDetecting; |
| michael@0 | 37 | for (uint32_t i = 0; i < NUM_OF_ESC_CHARSETS; i++) |
| michael@0 | 38 | if (mCodingSM[i]) |
| michael@0 | 39 | mCodingSM[i]->Reset(); |
| michael@0 | 40 | mActiveSM = NUM_OF_ESC_CHARSETS; |
| michael@0 | 41 | mDetectedCharset = nullptr; |
| michael@0 | 42 | } |
| michael@0 | 43 | |
| michael@0 | 44 | nsProbingState nsEscCharSetProber::HandleData(const char* aBuf, uint32_t aLen) |
| michael@0 | 45 | { |
| michael@0 | 46 | nsSMState codingState; |
| michael@0 | 47 | int32_t j; |
| michael@0 | 48 | uint32_t i; |
| michael@0 | 49 | |
| michael@0 | 50 | for ( i = 0; i < aLen && mState == eDetecting; i++) |
| michael@0 | 51 | { |
| michael@0 | 52 | for (j = mActiveSM-1; j>= 0; j--) |
| michael@0 | 53 | { |
| michael@0 | 54 | if (mCodingSM[j]) |
| michael@0 | 55 | { |
| michael@0 | 56 | codingState = mCodingSM[j]->NextState(aBuf[i]); |
| michael@0 | 57 | if (codingState == eItsMe) |
| michael@0 | 58 | { |
| michael@0 | 59 | mState = eFoundIt; |
| michael@0 | 60 | mDetectedCharset = mCodingSM[j]->GetCodingStateMachine(); |
| michael@0 | 61 | return mState; |
| michael@0 | 62 | } |
| michael@0 | 63 | } |
| michael@0 | 64 | } |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | return mState; |
| michael@0 | 68 | } |
| michael@0 | 69 |
