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 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
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
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
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) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either of the GNU General Public License Version 2 or later (the "GPL"),
26 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
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29 : * under the terms of either the GPL or the LGPL, and not to allow others to
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33 : * the provisions above, a recipient may use your version of this file under
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35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #include "nsIInputStream.h"
39 : #include "nsIConverterInputStream.h"
40 : #include "nsIUnicharLineInputStream.h"
41 : #include "nsString.h"
42 : #include "nsReadLine.h"
43 :
44 : #include "nsCOMPtr.h"
45 : #include "nsIUnicodeDecoder.h"
46 : #include "nsIByteBuffer.h"
47 : #include "nsIUnicharBuffer.h"
48 :
49 : #define NS_CONVERTERINPUTSTREAM_CONTRACTID "@mozilla.org/intl/converter-input-stream;1"
50 :
51 : // {2BC2AD62-AD5D-4b7b-A9DB-F74AE203C527}
52 : #define NS_CONVERTERINPUTSTREAM_CID \
53 : { 0x2bc2ad62, 0xad5d, 0x4b7b, \
54 : { 0xa9, 0xdb, 0xf7, 0x4a, 0xe2, 0x3, 0xc5, 0x27 } }
55 :
56 :
57 :
58 : class nsConverterInputStream : public nsIConverterInputStream,
59 : public nsIUnicharLineInputStream {
60 :
61 : public:
62 : NS_DECL_ISUPPORTS
63 : NS_DECL_NSIUNICHARINPUTSTREAM
64 : NS_DECL_NSIUNICHARLINEINPUTSTREAM
65 : NS_DECL_NSICONVERTERINPUTSTREAM
66 :
67 453 : nsConverterInputStream() :
68 : mLastErrorCode(NS_OK),
69 : mLeftOverBytes(0),
70 : mUnicharDataOffset(0),
71 : mUnicharDataLength(0),
72 : mReplacementChar(DEFAULT_REPLACEMENT_CHARACTER),
73 453 : mLineBuffer(nsnull) { }
74 :
75 1812 : virtual ~nsConverterInputStream() { Close(); }
76 :
77 : private:
78 :
79 :
80 : PRUint32 Fill(nsresult *aErrorCode);
81 :
82 : nsCOMPtr<nsIUnicodeDecoder> mConverter;
83 : nsCOMPtr<nsIByteBuffer> mByteData;
84 : nsCOMPtr<nsIUnicharBuffer> mUnicharData;
85 : nsCOMPtr<nsIInputStream> mInput;
86 :
87 : nsresult mLastErrorCode;
88 : PRUint32 mLeftOverBytes;
89 : PRUint32 mUnicharDataOffset;
90 : PRUint32 mUnicharDataLength;
91 : PRUnichar mReplacementChar;
92 :
93 : nsLineBuffer<PRUnichar>* mLineBuffer;
94 : };
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