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memfile.h
00001 /* 00002 Copyright (C) 2000 by Eric Sunshine <sunshine@sunshineco.com> 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 Free 00016 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 */ 00018 00019 #ifndef __CS_MEMFILE_H__ 00020 #define __CS_MEMFILE_H__ 00021 00022 #include "csextern.h" 00023 #include "iutil/vfs.h" 00024 00029 class CS_CSUTIL_EXPORT csMemFile : public iFile 00030 { 00031 public: 00033 enum Disposition 00034 { 00036 DISPOSITION_DELETE, 00038 DISPOSITION_FREE, 00040 DISPOSITION_IGNORE 00041 }; 00042 00043 public: 00045 csMemFile(); 00047 csMemFile(const char*, size_t); 00049 csMemFile(char*, size_t, Disposition = DISPOSITION_DELETE); 00051 virtual ~csMemFile(); 00052 00054 virtual const char* GetName(); 00056 virtual size_t GetSize(); 00058 virtual int GetStatus(); 00059 00061 virtual size_t Read(char* Data, size_t DataSize); 00063 virtual size_t Write(const char* Data, size_t DataSize); 00065 virtual void Flush(); 00067 virtual bool AtEOF(); 00069 virtual size_t GetPos(); 00071 virtual bool SetPos(size_t); 00072 00078 virtual csPtr<iDataBuffer> GetAllData(bool nullterm = false); 00083 virtual const char* GetData() const; 00084 00085 SCF_DECLARE_IBASE; 00086 00087 protected: 00088 Disposition disposition; 00089 char* buffer; 00090 size_t capacity; 00091 size_t size; 00092 size_t cursor; 00093 virtual void FreeBuffer(); 00094 }; 00095 00096 #endif // __CS_MEMFILE_H__
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