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
|
#!/usr/bin/env python3
from struct import pack
class BinaryWriter(object):
def __init__(self):
self.data = b''
def _write_internal(self, fmt, val):
self.data += pack(fmt, val)
return self
def write_uint8(self, val):
return self._write_internal('<B', val)
def write_uint16(self, val):
return self._write_internal('<H', val)
def write_uint32(self, val):
return self._write_internal('<L', val)
def write_uint64(self, val):
return self._write_internal('<Q', val)
def write_int8(self, val):
return self._write_internal('<b', val)
def write_int16(self, val):
return self._write_internal('<h', val)
def write_int32(self, val):
return self._write_internal('<l', val)
def write_int64(self, val):
return self._write_internal('<q', val)
def write_bytes(self, data):
self.data += bytes(data)
return self
def write_padding(self, size, padding_byte=b'\x00'):
self.write_bytes(padding_byte * size)
def get_data(self):
return self.data
|
