blob: 49bf2f32edb4b8701dc2edeb91b25626a1a462ce (
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
|
#ifndef __STREAM_INBYTE_H
#define __STREAM_INBYTE_H
#include "IInOutStreams.h"
namespace NStream {
class CInByte
{
UINT64 m_ProcessedSize;
BYTE *m_BufferBase;
UINT32 m_BufferSize;
BYTE *m_Buffer;
BYTE *m_BufferLimit;
ISequentialInStream* m_Stream;
bool m_StreamWasExhausted;
bool ReadBlock();
public:
CInByte(UINT32 aBufferSize = 0x100000);
~CInByte();
void Init(ISequentialInStream *aStream);
bool ReadByte(BYTE &aByte)
{
if(m_Buffer >= m_BufferLimit)
if(!ReadBlock())
return false;
aByte = *m_Buffer++;
return true;
}
BYTE ReadByte()
{
if(m_Buffer >= m_BufferLimit)
if(!ReadBlock())
return 0x0;
return *m_Buffer++;
}
void ReadBytes(void *aData, UINT32 aSize, UINT32 &aProcessedSize)
{
for(aProcessedSize = 0; aProcessedSize < aSize; aProcessedSize++)
if (!ReadByte(((BYTE *)aData)[aProcessedSize]))
return;
}
bool ReadBytes(void *aData, UINT32 aSize)
{
UINT32 aProcessedSize;
ReadBytes(aData, aSize, aProcessedSize);
return (aProcessedSize == aSize);
}
UINT64 GetProcessedSize() const { return m_ProcessedSize + (m_Buffer - m_BufferBase); }
};
}
#endif
|
