WPXStreamImplementation.h

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00001 /* libwpd
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://libwpd.sourceforge.net
00020  */
00021 
00022 #ifndef __WPXSTREAMIMPLEMENTATION_H__
00023 #define __WPXSTREAMIMPLEMENTATION_H__
00024 
00025 #include "WPXStream.h"
00026 
00027 class WPXFileStreamPrivate;
00028 
00029 class WPXFileStream: public WPXInputStream
00030 {
00031 public:
00032         explicit WPXFileStream(const char* filename);
00033         ~WPXFileStream();
00034         
00035         const uint8_t *read(size_t numBytes, size_t &numBytesRead);
00036         long tell();
00037         int seek(long offset, WPX_SEEK_TYPE seekType);
00038         bool atEOS();
00039 
00040         bool isOLEStream();
00041         WPXInputStream *getDocumentOLEStream(const char * name);
00042         /* This method will be replaced by the above method in next release cycle */
00043         WPXInputStream *getDocumentOLEStream();
00044 
00045 private:
00046         WPXFileStreamPrivate* d;
00047         WPXFileStream(const WPXFileStream&); // copy is not allowed
00048         WPXFileStream& operator=(const WPXFileStream&); // assignment is not allowed
00049 };
00050 
00051 class WPXStringStreamPrivate;
00052 
00053 class WPXStringStream: public WPXInputStream
00054 {
00055 public:
00056         WPXStringStream(const char *data, const unsigned int dataSize);
00057         ~WPXStringStream();
00058 
00059         const uint8_t *read(size_t numBytes, size_t &numBytesRead);
00060         long tell();
00061         int seek(long offset, WPX_SEEK_TYPE seekType);
00062         bool atEOS();
00063 
00064         bool isOLEStream();
00065         WPXInputStream *getDocumentOLEStream(const char * name);
00066         /* This method will be replaced by the above method in next release cycle */
00067         WPXInputStream *getDocumentOLEStream();
00068 
00069 private:
00070         WPXStringStreamPrivate* d;
00071         WPXStringStream(const WPXStringStream&); // copy is not allowed
00072         WPXStringStream& operator=(const WPXStringStream&); // assignment is not allowed
00073 };
00074 
00075 #endif // __WPXSTREAMIMPLEMENTATION_H__

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