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00001 /******************************************************************************** 00002 * * 00003 * IO Stream * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 2003 by Mathew Robertson. All Rights Reserved. * 00007 ********************************************************************************* 00008 * This library is free software; you can redistribute it and/or * 00009 * modify it under the terms of the GNU Lesser General Public * 00010 * License as published by the Free Software Foundation; either * 00011 * version 2.1 of the License, or (at your option) any later version. * 00012 * * 00013 * This library is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00016 * Lesser General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Lesser General Public * 00019 * License along with this library; if not, write to the Free Software * 00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * 00021 *********************************************************************************/ 00022 #ifndef FXIOSTREAM_H 00023 #define FXIOSTREAM_H 00024 00025 #ifndef FXSTREAM_H 00026 #include <fox/FXStream.h> 00027 using namespace FX; 00028 #endif 00029 namespace FXEX { 00030 class FXIOHandle; 00031 00032 /** 00033 * IO Stream's are used to read FXStream data from files, sockets, serial ports, etc. 00034 * eg you can serialise a FOX object to a socket, which is then se-serialised at the other end. 00035 */ 00036 class FXAPI FXIOStream : public FXStream { 00037 00038 protected: 00039 FXIOHandle *iohandle; // handle to actual socket 00040 FXbool opened; // did this stream open the socket 00041 00042 protected: 00043 // serialisation 00044 FXIOStream(){} 00045 00046 /// save data to socket 00047 void saveItems(const void* buf,unsigned long n); 00048 00049 /// load data from socket 00050 void loadItems(void* buf,unsigned long n); 00051 00052 public: 00053 /// Create a socket stream based on a specific socket 00054 FXIOStream(const FXObject *cont=NULL); 00055 00056 /// open a socket stream - socket will be opened if not already opened 00057 FXbool open(FXIOHandle *handle,FXStreamDirection save_or_load); 00058 00059 /// close a socket stream 00060 FXbool close(); 00061 00062 /// dtor 00063 virtual ~FXIOStream(); 00064 }; 00065 00066 } // namespace FXEX 00067 #endif // FXIOSTREAM_H