WPGStreamImplementation.h

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00001 /* libwpg
00002  * Copyright (C) 2006 Ariya Hidayat (ariya@kde.org)
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Library General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Library General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Library General Public
00015  * License along with this library; if not, write to the 
00016  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 
00017  * Boston, MA  02111-1301 USA
00018  *
00019  * For further information visit http://libwpg.sourceforge.net
00020  */
00021 
00022 #ifndef __WPGSTREAMIMPLEMENTATION_H__
00023 #define __WPGSTREAMIMPLEMENTATION_H__
00024 
00025 #include <libwpd/WPXStream.h>
00026 
00027 namespace libwpg
00028 {
00029 
00030 class WPGFileStreamPrivate;
00031 
00032 class WPGFileStream: public WPXInputStream
00033 {
00034 public:
00035         explicit WPGFileStream(const char* filename);
00036         ~WPGFileStream();
00037         
00038         const uint8_t *read(size_t numBytes, size_t &numBytesRead);
00039         long tell();
00040         int seek(long offset, WPX_SEEK_TYPE seekType);
00041         bool atEOS();
00042 
00043         bool isOLEStream();
00044         WPXInputStream *getDocumentOLEStream(const char * name);
00045         WPXInputStream *getDocumentOLEStream();
00046 
00047 private:
00048         WPGFileStreamPrivate* d;
00049         WPGFileStream(const WPGFileStream&); // copy is not allowed
00050         WPGFileStream& operator=(const WPGFileStream&); // assignment is not allowed
00051 };
00052 
00053 class WPGMemoryStreamPrivate;
00054 
00055 class WPGMemoryStream: public WPXInputStream
00056 {
00057 public:
00058         WPGMemoryStream(const char *data, const unsigned int dataSize);
00059         ~WPGMemoryStream();
00060 
00061         const uint8_t *read(size_t numBytes, size_t &numBytesRead);
00062         long tell();
00063         int seek(long offset, WPX_SEEK_TYPE seekType);
00064         bool atEOS();
00065 
00066         bool isOLEStream();
00067         WPXInputStream *getDocumentOLEStream(const char * name);
00068         WPXInputStream *getDocumentOLEStream();
00069 
00070 private:
00071         WPGMemoryStreamPrivate* d;
00072         WPGMemoryStream(const WPGMemoryStream&); // copy is not allowed
00073         WPGMemoryStream& operator=(const WPGMemoryStream&); // assignment is not allowed
00074 };
00075 
00076 } // namespace libwpg
00077 
00078 #endif // __WPGSTREAMIMPLEMENTATION_H__

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