source: vscpl/src/hu/varadiistvan/scpl/io/_posix/StreamBuffer.h@ 21:22a8774452ac

Last change on this file since 21:22a8774452ac was 6:53519b47b166, checked in by István Váradi <ivaradi@…>, 12 years ago

Imported some further stuff from the IO code

File size: 3.7 KB
Line 
1// Copyright (c) 2013 by István Váradi
2
3// This file is part of VSCPL, a simple cross-platform utility library
4
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are met:
7
8// 1. Redistributions of source code must retain the above copyright notice, this
9// list of conditions and the following disclaimer.
10// 2. Redistributions in binary form must reproduce the above copyright notice,
11// this list of conditions and the following disclaimer in the documentation
12// and/or other materials provided with the distribution.
13
14// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
18// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24
25// The views and conclusions contained in the software and documentation are those
26// of the authors and should not be interpreted as representing official policies,
27// either expressed or implied, of the FreeBSD Project.
28
29#ifndef HU_VARADIISTVAN_SCPL_IO_POSIX_STREAMBUFFER_H
30#define HU_VARADIISTVAN_SCPL_IO_POSIX_STREAMBUFFER_H
31//------------------------------------------------------------------------------
32
33#include "../Buffer.h"
34#include "../Failable.h"
35
36#include "BufferedStream.h"
37
38//------------------------------------------------------------------------------
39
40namespace hu { namespace varadiistvan { namespace scpl { namespace io {
41
42//------------------------------------------------------------------------------
43
44/**
45 * Base class for buffers used by a BufferedStream.
46 */
47class StreamBuffer : public Buffer, public FailableReference<StreamBuffer>
48{
49protected:
50 /**
51 * Our buffered stream.
52 */
53 BufferedStream& stream;
54
55protected:
56 /**
57 * Construct the buffer with the given waitable.
58 */
59 StreamBuffer(size_t capacity, BufferedStream* stream);
60
61private:
62 /**
63 * Get the failable object.
64 */
65 const Failable& getFailable() const;
66
67 /**
68 * Get the failable object.
69 */
70 Failable& getFailable();
71
72 friend class FailableReference<StreamBuffer>;
73};
74
75//------------------------------------------------------------------------------
76// Inline definitions
77//------------------------------------------------------------------------------
78
79inline StreamBuffer::StreamBuffer(size_t capacity, BufferedStream* stream) :
80 Buffer(capacity),
81 stream(*stream)
82{
83}
84
85//------------------------------------------------------------------------------
86
87inline const Failable& StreamBuffer::getFailable() const
88{
89 return stream;
90}
91
92//------------------------------------------------------------------------------
93
94inline Failable& StreamBuffer::getFailable()
95{
96 return stream;
97}
98
99//------------------------------------------------------------------------------
100
101} /* namespace hu::varadiistvan::scpl::io */ } /* namespace hu::varadiistvan::scpl */ } /* namespace hu::varadiistvan */ } /* namespace hu */
102
103//------------------------------------------------------------------------------
104#endif // HU_VARADIISTVAN_SCPL_IO_POSIX_STREAMBUFFER_H
105
106// Local Variables:
107// mode: C++
108// c-basic-offset: 4
109// indent-tabs-mode: nil
110// End:
Note: See TracBrowser for help on using the repository browser.