| 4 | # |
| 5 | |
| 6 | class FileReader: |
| 7 | def __init__(self, binary): |
| 8 | self.binary = binary |
| 9 | self.offset = 0 |
| 10 | |
| 11 | def read(self, size): |
| 12 | data = self.binary[self.offset : self.offset + size] |
| 13 | self.offset += size |
| 14 | #print(data) |
| 15 | return data |
| 16 | |
| 17 | def setOffset(self, offset): |
| 18 | self.offset = offset |
| 19 | |
| 20 | def readString(self, align): |
| 21 | str_size = 0 |
| 22 | while True: |
| 23 | if self.binary[self.offset + str_size] != 0: |
| 24 | str_size += 1 |
| 25 | else: |
| 26 | str_size += 1 |
| 27 | break |
| 28 | |
| 29 | result = self.binary[self.offset : self.offset + str_size].decode("utf-8") |
| 30 | |
| 31 | if str_size % align != 0: |
| 32 | self.offset += ((str_size // align) + 1) * align |
| 33 | else: |
| 34 | self.offset += str_size |
| 35 | |
| 36 | return result.strip(b'\x00'.decode()) |
| 37 | |
| 38 | |
| 39 | def hexdump(src, length=16): |