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