989onan
57 lines
1.6 KiB
Python
57 lines
1.6 KiB
Python
import ctypes
|
|
import typing
|
|
import struct
|
|
from io import BytesIO
|
|
|
|
def ReadCSharp_str(data: BytesIO) -> str:
|
|
charamount = read7bitEncoded_int(data)
|
|
string: str = data.read(charamount).decode('utf-8', errors="replace")
|
|
print("read string: "+string)
|
|
return string
|
|
|
|
def WriteCSharp_str(data: BytesIO, string: str) -> str:
|
|
write7bitEncoded_int(len(string))
|
|
return data.write(string.encode("utf-8", errors="replace"))
|
|
|
|
def read7bitEncoded_ulong(data: BytesIO) -> int:
|
|
num: int = int(0)
|
|
num2: int = 0
|
|
flag: bool = True
|
|
|
|
while (flag):
|
|
b: int = int(struct.unpack('<B', data.read(1))[0])
|
|
flag = ((b & 128) > 0)
|
|
num |= ((b & 127) << num2)
|
|
num2 += 7
|
|
if not flag:
|
|
break
|
|
|
|
return num
|
|
|
|
def read7bitEncoded_int(data: BytesIO) -> int:
|
|
num: int= int(0)
|
|
num2:int = int(0)
|
|
while (num2 != 35):
|
|
b: int = int(struct.unpack('<B', data.read(1))[0])
|
|
num |= int(b & 127) << num2
|
|
num2 += 7
|
|
if ((b & 128) == 0):
|
|
return num
|
|
return -1
|
|
|
|
def write7bitEncoded_ulong(data: BytesIO, integer: int) -> None:
|
|
while integer > int(0):
|
|
b: int = ctypes.c_ubyte(integer & int(127))
|
|
integer >>= 7
|
|
if integer > int(0):
|
|
b |= 128
|
|
data.write(b)
|
|
if integer <= int(0):
|
|
return
|
|
|
|
def write7bitEncoded_int(data: BytesIO, value: int) -> None:
|
|
num: int = int(value)
|
|
while(num >= int(128)):
|
|
data.write(int(num | int(128)))
|
|
num >>= 7
|
|
data.Write(int(num)) |