Aegisub/vendor/universalchardet/nsUniversalDetector.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsUniversalDetector_h__
#define nsUniversalDetector_h__
class nsCharSetProber;
#define NUM_OF_CHARSET_PROBERS 3
typedef enum {
ePureAscii = 0,
eEscAscii = 1,
eHighbyte = 2
} nsInputState;
#define NS_FILTER_CHINESE_SIMPLIFIED 0x01
#define NS_FILTER_CHINESE_TRADITIONAL 0x02
#define NS_FILTER_JAPANESE 0x04
#define NS_FILTER_KOREAN 0x08
#define NS_FILTER_NON_CJK 0x10
#define NS_FILTER_ALL 0x1F
#define NS_FILTER_CHINESE (NS_FILTER_CHINESE_SIMPLIFIED | \
NS_FILTER_CHINESE_TRADITIONAL)
#define NS_FILTER_CJK (NS_FILTER_CHINESE_SIMPLIFIED | \
NS_FILTER_CHINESE_TRADITIONAL | \
NS_FILTER_JAPANESE | \
NS_FILTER_KOREAN)
class nsUniversalDetector {
public:
nsUniversalDetector(PRUint32 aLanguageFilter);
virtual ~nsUniversalDetector();
virtual nsresult HandleData(const char* aBuf, PRUint32 aLen);
virtual void DataEnd(void);
protected:
virtual void Report(const char* aCharset) = 0;
virtual void Reset();
nsInputState mInputState;
PRBool mDone;
PRBool mInTag;
PRBool mStart;
PRBool mGotData;
char mLastChar;
const char * mDetectedCharset;
PRInt32 mBestGuess;
PRUint32 mLanguageFilter;
nsCharSetProber *mCharSetProbers[NUM_OF_CHARSET_PROBERS];
nsCharSetProber *mEscCharSetProber;
};
#endif