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comparison deps/Platinum/ThirdParty/Neptune/Source/Core/NptDataBuffer.h @ 0:3425707ddbf6

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Initial import (hopefully this mercurial stuff works...)
author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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1 /*****************************************************************
2 |
3 | Neptune - Datagram Packets
4 |
5 | Copyright (c) 2002-2008, Axiomatic Systems, LLC.
6 | All rights reserved.
7 |
8 | Redistribution and use in source and binary forms, with or without
9 | modification, are permitted provided that the following conditions are met:
10 | * Redistributions of source code must retain the above copyright
11 | notice, this list of conditions and the following disclaimer.
12 | * Redistributions in binary form must reproduce the above copyright
13 | notice, this list of conditions and the following disclaimer in the
14 | documentation and/or other materials provided with the distribution.
15 | * Neither the name of Axiomatic Systems nor the
16 | names of its contributors may be used to endorse or promote products
17 | derived from this software without specific prior written permission.
18 |
19 | THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY
20 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 | DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY
23 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 |
30 ****************************************************************/
31
32 #ifndef _NPT_DATA_BUFFER_H_
33 #define _NPT_DATA_BUFFER_H_
34
35 /*----------------------------------------------------------------------
36 | includes
37 +---------------------------------------------------------------------*/
38 #include "NptTypes.h"
39 #include "NptConstants.h"
40
41 /*----------------------------------------------------------------------
42 | NPT_DataBuffer
43 +---------------------------------------------------------------------*/
44 class NPT_DataBuffer
45 {
46 public:
47 // constructors & destructor
48 NPT_DataBuffer(); // size unknown until first set
49 NPT_DataBuffer(NPT_Size size); // initial size specified
50 NPT_DataBuffer(const void* data, NPT_Size size, bool copy = true); // initial data and size specified
51 NPT_DataBuffer(const NPT_DataBuffer& other);
52 virtual ~NPT_DataBuffer();
53
54 // operators
55 NPT_DataBuffer& operator=(const NPT_DataBuffer& copy);
56 bool operator==(const NPT_DataBuffer& other) const;
57
58 // data buffer handling methods
59 virtual NPT_Result SetBuffer(NPT_Byte* buffer, NPT_Size bufferSize);
60 virtual NPT_Result SetBufferSize(NPT_Size bufferSize);
61 virtual NPT_Size GetBufferSize() const { return m_BufferSize; }
62 virtual NPT_Result Reserve(NPT_Size size);
63 virtual NPT_Result Clear();
64
65 // data handling methods
66 virtual const NPT_Byte* GetData() const { return m_Buffer; }
67 virtual NPT_Byte* UseData() { return m_Buffer; };
68 virtual NPT_Size GetDataSize() const { return m_DataSize; }
69 virtual NPT_Result SetDataSize(NPT_Size size);
70 virtual NPT_Result SetData(const NPT_Byte* data, NPT_Size dataSize);
71
72 protected:
73 // members
74 bool m_BufferIsLocal;
75 NPT_Byte* m_Buffer;
76 NPT_Size m_BufferSize;
77 NPT_Size m_DataSize;
78
79 // methods
80 NPT_Result ReallocateBuffer(NPT_Size size);
81 };
82
83 #endif // _NPT_DATA_BUFFER_H_