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csutil/databuf.h

00001 /*
00002     Crystal Space Data Buffer class
00003     Copyright (C) 2000 by Andrew Zabolotny
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00020 #ifndef __CS_DATABUF_H__
00021 #define __CS_DATABUF_H__
00022 
00023 #include "csextern.h"
00024 #include "iutil/databuff.h"
00025 
00032 class CS_CSUTIL_EXPORT csDataBuffer : public iDataBuffer
00033 {
00035   char *Data;
00037   size_t Size;
00039   bool do_delete;
00040 
00041 public:
00042   SCF_DECLARE_IBASE;
00043 
00045   csDataBuffer (size_t iSize)
00046   {
00047     SCF_CONSTRUCT_IBASE (0); 
00048     Size = iSize;
00049     Data = new char [Size]; 
00050     do_delete = true;
00051   }
00052 
00054   csDataBuffer (char *iData, size_t iSize, bool should_delete = true)
00055   {
00056     SCF_CONSTRUCT_IBASE (0); 
00057     Data = iData; 
00058     Size = iSize; 
00059     do_delete = should_delete;
00060   }
00061 
00063   csDataBuffer (iDataBuffer *source)
00064   {
00065     SCF_CONSTRUCT_IBASE (0); 
00066     Size = source->GetSize();
00067     Data = new char [Size + 1];
00068     memcpy (Data, source->GetData(), Size);
00069     Data[Size] = 0;
00070     do_delete = true;
00071   }
00072 
00074   virtual ~csDataBuffer ()
00075   {
00076     if (do_delete)
00077       delete [] Data;
00078     SCF_DESTRUCT_IBASE();
00079   }
00080 
00082   virtual size_t GetSize () const
00083   { return Size; }
00084 
00086   virtual char* GetData () const
00087   { return Data; }
00088 };
00089 
00090 #endif // __CS_DATABUF_H__

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