gecko-dev/intl/chardet/public/nsICharsetDetector.h

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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* 1.1 (the "License"); you may not use this file except in compliance with
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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
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* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
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* either of 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"),
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#ifndef nsICharsetDetector_h__
#define nsICharsetDetector_h__
#include "nsISupports.h"
class nsICharsetDetectionObserver;
// {12BB8F14-2389-11d3-B3BF-00805F8A6670}
#define NS_ICHARSETDETECTOR_IID \
{ 0x12bb8f14, 0x2389, 0x11d3, { 0xb3, 0xbf, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
#define NS_CHARSET_DETECTOR_CONTRACTID_BASE "@mozilla.org/intl/charsetdetect;1?type="
#define NS_CHARSET_DETECTOR_CATEGORY "charset-detectors"
class nsICharsetDetector : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICHARSETDETECTOR_IID)
/*
Setup the observer so it know how to notify the answer
*/
NS_IMETHOD Init(nsICharsetDetectionObserver* observer) = 0;
/*
Feed a block of bytes to the detector.
It will call the Notify function of the nsICharsetObserver if it find out
the answer.
aBytesArray - array of bytes
aLen - length of aBytesArray
oDontFeedMe - return PR_TRUE if the detector do not need the following block
PR_FALSE it need more bytes.
This is used to enhance performance
*/
NS_IMETHOD DoIt(const char* aBytesArray, PRUint32 aLen, PRBool* oDontFeedMe) = 0;
/*
It also tell the detector the last chance the make a decision
*/
NS_IMETHOD Done() = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsICharsetDetector,
NS_ICHARSETDETECTOR_IID)
#endif /* nsICharsetDetector_h__ */