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authorMike Buland <eichlan@xagasoft.com>2012-03-25 20:00:08 +0000
committerMike Buland <eichlan@xagasoft.com>2012-03-25 20:00:08 +0000
commit469bbcf0701e1eb8a6670c23145b0da87357e178 (patch)
treeb5b062a16e46a6c5d3410b4e574cd0cc09057211 /src/stable/membuf.h
parentee1b79396076edc4e30aefb285fada03bb45e80d (diff)
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Code is all reorganized. We're about ready to release. I should write up a
little explenation of the arrangement.
Diffstat (limited to 'src/stable/membuf.h')
-rw-r--r--src/stable/membuf.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/stable/membuf.h b/src/stable/membuf.h
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1/*
2 * Copyright (C) 2007-2011 Xagasoft, All rights reserved.
3 *
4 * This file is part of the libbu++ library and is released under the
5 * terms of the license contained in the file LICENSE.
6 */
7
8#ifndef BU_MEM_BUF_H
9#define BU_MEM_BUF_H
10
11#include <stdint.h>
12
13#include "bu/config.h"
14#include "bu/stream.h"
15#include "bu/string.h"
16
17namespace Bu
18{
19 /**
20 * A memory buffer stream. This provides a read/write stream in memory that
21 * works exactly like a file stream...only in memory. You can seed the
22 * memory buffer with a Bu::String of your own, or start with an empty one.
23 * Due to Bu::String using Bu::SharedCore starting with a string will not
24 * necesarilly cause the MemBuf to make a copy of your memory, but if you're
25 * sure you're not going to need to change the stream then use StaticMemBuf.
26 *@ingroup Streams
27 */
28 class MemBuf : public Stream
29 {
30 public:
31 MemBuf();
32 MemBuf( const Bu::String &str );
33 virtual ~MemBuf();
34
35 virtual void close();
36 virtual size read( void *pBuf, size iBytes );
37
38 virtual size write( const void *pBuf, size iBytes );
39 using Stream::write;
40 virtual size tell();
41 virtual void seek( size offset );
42 virtual void setPos( size pos );
43 virtual void setPosEnd( size pos );
44 virtual bool isEos();
45 virtual bool isOpen();
46 virtual void flush();
47 virtual bool canRead();
48 virtual bool canWrite();
49 virtual bool isReadable();
50 virtual bool isWritable();
51 virtual bool isSeekable();
52 virtual bool isBlocking();
53 virtual void setBlocking( bool bBlocking=true );
54 virtual void setSize( size iSize );
55 virtual size getSize() const;
56 virtual size getBlockSize() const;
57 virtual Bu::String getLocation() const;
58
59 Bu::String &getString();
60 void setString( const Bu::String &sNewData );
61
62 private:
63 Bu::String sBuf;
64 size nPos;
65 };
66}
67
68#endif