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WPSOLEStream.h
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
2 /* POLE - Portable C++ library to access OLE Storage
3 Copyright (C) 2002-2005 Ariya Hidayat <ariya@kde.org>
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions
7 are met:
8 * Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright notice,
11 this list of conditions and the following disclaimer in the documentation
12 and/or other materials provided with the distribution.
13 * Neither the name of the authors nor the names of its contributors may be
14 used to endorse or promote products derived from this software without
15 specific prior written permission.
16
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27 THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #ifndef WPSOLESTREAM_H
31 #define WPSOLESTREAM_H
32
33 #include <string>
34 #include <fstream>
35 #include <vector>
36
37 #include "libwps_internal.h"
38
39 class WPXInputStream;
40
41 namespace libwps
42 {
43
44 class StorageIO;
45 class Stream;
46 class StreamIO;
47
48 class Storage
49 {
50 friend class Stream;
51
52 public:
53
54 // for Storage::result()
55 enum { Ok, OpenFailed, NotOLE, BadOLE, UnknownError };
56
60 Storage( shared_ptr<WPXInputStream> is );
61
65 ~Storage();
66
70 bool isOLEStream();
71
75 int result();
76
80 std::vector<std::string> getOLENames();
81
85 shared_ptr<WPXInputStream> getDocumentOLEStream(const std::string &name);
86
87 private:
88 StorageIO *io;
89
90 // no copy or assign
91 Storage( const Storage & );
92 Storage &operator=( const Storage & );
93
94 };
95
96 class Stream
97 {
98 friend class Storage;
99 friend class StorageIO;
100
101 public:
102
106 Stream( Storage *storage, const std::string &name );
107
111 ~Stream();
112
116 unsigned long size();
117
121 unsigned long read( unsigned char *data, unsigned long maxlen );
122
123 private:
124 StreamIO *io;
125
126 // no copy or assign
127 Stream( const Stream & );
128 Stream &operator=( const Stream & );
129 };
130
131 } // namespace libwps
132
133 #endif // WPXOLESTREAM_H
134 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */