1 : /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
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6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
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11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is mozilla.org code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1999
20 : * the Initial Developer. All Rights Reserved.
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22 : * Contributor(s):
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
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26 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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37 :
38 : #ifndef nsICharsetDetector_h__
39 : #define nsICharsetDetector_h__
40 :
41 : #include "nsISupports.h"
42 :
43 : class nsICharsetDetectionObserver;
44 :
45 : // {12BB8F14-2389-11d3-B3BF-00805F8A6670}
46 : #define NS_ICHARSETDETECTOR_IID \
47 : { 0x12bb8f14, 0x2389, 0x11d3, { 0xb3, 0xbf, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
48 :
49 : #define NS_CHARSET_DETECTOR_CONTRACTID_BASE "@mozilla.org/intl/charsetdetect;1?type="
50 : #define NS_CHARSET_DETECTOR_CATEGORY "charset-detectors"
51 :
52 0 : class nsICharsetDetector : public nsISupports {
53 : public:
54 : NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICHARSETDETECTOR_IID)
55 :
56 : /*
57 : Setup the observer so it know how to notify the answer
58 : */
59 : NS_IMETHOD Init(nsICharsetDetectionObserver* observer) = 0;
60 :
61 : /*
62 : Feed a block of bytes to the detector.
63 : It will call the Notify function of the nsICharsetObserver if it find out
64 : the answer.
65 : aBytesArray - array of bytes
66 : aLen - length of aBytesArray
67 : oDontFeedMe - return true if the detector do not need the following block
68 : false it need more bytes.
69 : This is used to enhance performance
70 : */
71 : NS_IMETHOD DoIt(const char* aBytesArray, PRUint32 aLen, bool* oDontFeedMe) = 0;
72 :
73 : /*
74 : It also tell the detector the last chance the make a decision
75 : */
76 : NS_IMETHOD Done() = 0;
77 :
78 : };
79 :
80 : NS_DEFINE_STATIC_IID_ACCESSOR(nsICharsetDetector,
81 : NS_ICHARSETDETECTOR_IID)
82 :
83 : #endif /* nsICharsetDetector_h__ */
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