blob: 459282edbb30d2cfe60f6bd0fc6303404e733b29 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* Copyright (C) 2007-2008 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "bu/membuf.h"
using namespace Bu;
Bu::MemBuf::MemBuf() :
nPos( 0 )
{
}
Bu::MemBuf::MemBuf( const Bu::FString &str ) :
sBuf( str ),
nPos( 0 )
{
}
Bu::MemBuf::~MemBuf()
{
}
void Bu::MemBuf::close()
{
}
size_t Bu::MemBuf::read( void *pBuf, size_t nBytes )
{
if( (size_t)sBuf.getSize()-(size_t)nPos < nBytes )
nBytes = sBuf.getSize()-nPos;
memcpy( pBuf, sBuf.getStr()+nPos, nBytes );
nPos += nBytes;
return nBytes;
}
size_t Bu::MemBuf::write( const void *pBuf, size_t nBytes )
{
sBuf.append( (const char *)pBuf, nBytes );
nPos += nBytes;
return nBytes;
}
long Bu::MemBuf::tell()
{
return nPos;
}
void Bu::MemBuf::seek( long offset )
{
nPos += offset;
if( nPos < 0 ) nPos = 0;
else if( nPos > sBuf.getSize() ) nPos = sBuf.getSize();
}
void Bu::MemBuf::setPos( long pos )
{
nPos = pos;
if( nPos < 0 ) nPos = 0;
else if( nPos > sBuf.getSize() ) nPos = sBuf.getSize();
}
void Bu::MemBuf::setPosEnd( long pos )
{
nPos = sBuf.getSize()-pos;
if( nPos < 0 ) nPos = 0;
else if( nPos > sBuf.getSize() ) nPos = sBuf.getSize();
}
bool Bu::MemBuf::isEOS()
{
return (nPos == sBuf.getSize());
}
bool Bu::MemBuf::isOpen()
{
return true;
}
void Bu::MemBuf::flush()
{
}
bool Bu::MemBuf::canRead()
{
return !isEOS();
}
bool Bu::MemBuf::canWrite()
{
return isEOS();
}
bool Bu::MemBuf::isReadable()
{
return true;
}
bool Bu::MemBuf::isWritable()
{
return true;
}
bool Bu::MemBuf::isSeekable()
{
return true;
}
bool Bu::MemBuf::isBlocking()
{
return true;
}
void Bu::MemBuf::setBlocking( bool bBlocking )
{
}
Bu::FString &Bu::MemBuf::getString()
{
return sBuf;
}
|
