blob: 8695a128ea1af0ccdad0d2d14d11ca6495c335d9 (
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
|
#ifndef GATS_INTEGER_H
#define GATS_INTEGER_H
#include "gats-qt/object.h"
#include <stdint.h>
#include <QIODevice>
namespace Gats
{
class Integer : public Gats::Object
{
Q_OBJECT;
public:
Integer();
Integer( int64_t iVal );
virtual ~Integer();
virtual Type getType() const { return typeInteger; }
int64_t getValue() const { return iVal; }
virtual void write( QIODevice &rOut ) const;
virtual void read( QIODevice &rIn, char cType );
template<typename itype>
static void readPackedInt( QIODevice &rStream, itype &rOut )
{
int8_t b;
rOut = 0;
bool bNeg;
rStream.read( (char *)&b, 1 );
bNeg = ( b&0x40 );
rOut |= (itype(b&0x3F));
int c = 0;
while( (b&0x80) )
{
rStream.read( (char *)&b, 1 );
rOut |= (itype(b&0x7F)) << (6+7*(c++));
}
if( bNeg ) rOut = -rOut;
}
template<typename itype>
static void writePackedInt( QIODevice &rStream, itype iIn )
{
uint8_t b;
if( iIn < 0 )
{
iIn = -iIn;
b = (iIn&0x3F);
if( iIn > b )
b |= 0x80 | 0x40;
else
b |= 0x40;
}
else
{
b = (iIn&0x3F);
if( iIn > b )
b |= 0x80;
}
rStream.write( (const char *)&b, 1 );
iIn = iIn >> 6;
while( iIn )
{
b = (iIn&0x7F);
if( iIn > b )
b |= 0x80;
rStream.write( (const char *)&b, 1 );
iIn = iIn >> 7;
}
}
private:
int64_t iVal;
};
};
//Bu::Formatter &operator<<( Bu::Formatter &f, const Gats::Integer &i );
#endif
|
