00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ 00002 /* POLE - Portable C++ library to access OLE Storage 00003 Copyright (C) 2002-2005 Ariya Hidayat <ariya@kde.org> 00004 00005 Redistribution and use in source and binary forms, with or without 00006 modification, are permitted provided that the following conditions 00007 are met: 00008 * Redistributions of source code must retain the above copyright notice, 00009 this list of conditions and the following disclaimer. 00010 * Redistributions in binary form must reproduce the above copyright notice, 00011 this list of conditions and the following disclaimer in the documentation 00012 and/or other materials provided with the distribution. 00013 * Neither the name of the authors nor the names of its contributors may be 00014 used to endorse or promote products derived from this software without 00015 specific prior written permission. 00016 00017 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00021 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 00027 THE POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 #ifndef WPXOLESTREAM_H 00031 #define WPXOLESTREAM_H 00032 00033 #include <string> 00034 #include <fstream> 00035 #include <vector> 00036 #include <list> 00037 00038 class WPXInputStream; 00039 00040 namespace libwpd 00041 { 00042 00043 class IStorage; 00044 class Stream; 00045 class IStream; 00046 00047 class Storage 00048 { 00049 friend class Stream; 00050 00051 public: 00052 00053 // for Storage::result() 00054 enum Result { Ok, OpenFailed, NotOLE, BadOLE, UnknownError }; 00055 00059 Storage( WPXInputStream *is ); 00060 00064 ~Storage(); 00065 00069 bool isOLEStream(); 00070 00074 Result result(); 00075 00076 private: 00077 IStorage *m_io; 00078 00079 // no copy or assign 00080 Storage( const Storage & ); 00081 Storage &operator=( const Storage & ); 00082 00083 }; 00084 00085 class Stream 00086 { 00087 friend class Storage; 00088 friend class IStorage; 00089 00090 public: 00091 00095 Stream( Storage *storage, const std::string &name ); 00096 00100 ~Stream(); 00101 00105 unsigned long size(); 00106 00110 unsigned long read( unsigned char *data, unsigned long maxlen ); 00111 00112 private: 00113 IStream *m_io; 00114 00115 // no copy or assign 00116 Stream( const Stream & ); 00117 Stream &operator=( const Stream & ); 00118 }; 00119 00120 } // namespace libwpd 00121 00122 #endif // WPXOLESTREAM_H 00123 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */