You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
2 years ago
|
package mysql
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/binary"
|
||
|
|
"math"
|
||
|
|
)
|
||
|
|
|
||
|
|
func ParseBinaryInt8(data []byte) int8 {
|
||
|
|
return int8(data[0])
|
||
|
|
}
|
||
|
|
func ParseBinaryUint8(data []byte) uint8 {
|
||
|
|
return data[0]
|
||
|
|
}
|
||
|
|
|
||
|
|
func ParseBinaryInt16(data []byte) int16 {
|
||
|
|
return int16(binary.LittleEndian.Uint16(data))
|
||
|
|
}
|
||
|
|
func ParseBinaryUint16(data []byte) uint16 {
|
||
|
|
return binary.LittleEndian.Uint16(data)
|
||
|
|
}
|
||
|
|
|
||
|
|
func ParseBinaryInt24(data []byte) int32 {
|
||
|
|
u32 := ParseBinaryUint24(data)
|
||
|
|
if u32&0x00800000 != 0 {
|
||
|
|
u32 |= 0xFF000000
|
||
|
|
}
|
||
|
|
return int32(u32)
|
||
|
|
}
|
||
|
|
func ParseBinaryUint24(data []byte) uint32 {
|
||
|
|
return uint32(data[0]) | uint32(data[1])<<8 | uint32(data[2])<<16
|
||
|
|
}
|
||
|
|
|
||
|
|
func ParseBinaryInt32(data []byte) int32 {
|
||
|
|
return int32(binary.LittleEndian.Uint32(data))
|
||
|
|
}
|
||
|
|
func ParseBinaryUint32(data []byte) uint32 {
|
||
|
|
return binary.LittleEndian.Uint32(data)
|
||
|
|
}
|
||
|
|
|
||
|
|
func ParseBinaryInt64(data []byte) int64 {
|
||
|
|
return int64(binary.LittleEndian.Uint64(data))
|
||
|
|
}
|
||
|
|
func ParseBinaryUint64(data []byte) uint64 {
|
||
|
|
return binary.LittleEndian.Uint64(data)
|
||
|
|
}
|
||
|
|
|
||
|
|
func ParseBinaryFloat32(data []byte) float32 {
|
||
|
|
return math.Float32frombits(binary.LittleEndian.Uint32(data))
|
||
|
|
}
|
||
|
|
|
||
|
|
func ParseBinaryFloat64(data []byte) float64 {
|
||
|
|
return math.Float64frombits(binary.LittleEndian.Uint64(data))
|
||
|
|
}
|