00001 /* 00002 * memfile.h 00003 * 00004 * WAV file I/O channel class. 00005 * 00006 * Portable Windows Library 00007 * 00008 * Copyright (c) 2002 Equivalence Pty. Ltd. 00009 * 00010 * The contents of this file are subject to the Mozilla Public License 00011 * Version 1.0 (the "License"); you may not use this file except in 00012 * compliance with the License. You may obtain a copy of the License at 00013 * http://www.mozilla.org/MPL/ 00014 * 00015 * Software distributed under the License is distributed on an "AS IS" 00016 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 00017 * the License for the specific language governing rights and limitations 00018 * under the License. 00019 * 00020 * The Original Code is Portable Windows Library. 00021 * 00022 * The Initial Developer of the Original Code is 00023 * Equivalence Pty Ltd 00024 * 00025 * All Rights Reserved. 00026 * 00027 * Contributor(s): ______________________________________. 00028 * 00029 * $Log: memfile.h,v $ 00030 * Revision 1.6 2005/11/30 12:47:37 csoutheren 00031 * Removed tabs, reformatted some code, and changed tags for Doxygen 00032 * 00033 * Revision 1.5 2004/11/11 07:34:50 csoutheren 00034 * Added #include <ptlib.h> 00035 * 00036 * Revision 1.4 2002/09/16 01:08:59 robertj 00037 * Added #define so can select if #pragma interface/implementation is used on 00038 * platform basis (eg MacOS) rather than compiler, thanks Robert Monaghan. 00039 * 00040 * Revision 1.3 2002/08/05 05:40:45 robertj 00041 * Fixed missing pragma interface/implementation 00042 * 00043 * Revision 1.2 2002/06/27 03:53:35 robertj 00044 * Cleaned up documentation and added Compare() function. 00045 * 00046 * Revision 1.1 2002/06/26 09:01:19 craigs 00047 * Initial version 00048 * 00049 */ 00050 00051 #ifndef _PMEMFILE 00052 #define _PMEMFILE 00053 00054 #ifdef P_USE_PRAGMA 00055 #pragma interface 00056 #endif 00057 00058 #include <ptlib.h> 00059 00062 class PMemoryFile : public PFile 00063 { 00064 PCLASSINFO(PMemoryFile, PFile); 00065 public: 00070 PMemoryFile(); 00071 00074 PMemoryFile( 00075 const PBYTEArray & data 00076 ); 00078 00079 00088 Comparison Compare( 00089 const PObject & obj 00090 ) const; 00092 00093 00107 virtual BOOL Read( 00108 void * buf, 00109 PINDEX len 00110 ); 00111 00121 virtual BOOL Write( 00122 const void * buf, 00123 PINDEX len 00124 ); 00126 00127 00136 off_t GetLength() const; 00137 00144 BOOL SetLength( 00145 off_t len 00146 ); 00147 00158 BOOL SetPosition( 00159 off_t pos, 00160 FilePositionOrigin origin = Start 00161 ); 00162 00169 off_t GetPosition() const; 00171 00172 00177 const PBYTEArray & GetData() const { return data; } 00179 00180 00181 protected: 00182 PBYTEArray data; 00183 off_t position; 00184 }; 00185 00186 00187 #endif // _PMEMFILE 00188 00189 00190 // End of File /////////////////////////////////////////////////////////////// 00191