Sha256: d3b6837b1148e7fdde5f800353949678f48c8986818853e0011a2bfd0cfdcf47
Contents?: true
Size: 633 Bytes
Versions: 102
Compression:
Stored size: 633 Bytes
Contents
EIGHTBITMASK = 0x80
SEVENBITSMASK = 0x7f
def encode_single(n):
bytes = [n & SEVENBITSMASK]
n >>= 7
while n > 0:
bytes.append(n & SEVENBITSMASK | EIGHTBITMASK)
n >>= 7
return bytes[::-1]
def encode(numbers):
return sum((encode_single(n) for n in numbers), [])
def decode(bytes):
values = []
n = 0
for i, byte in enumerate(bytes):
n <<= 7
n += (byte & SEVENBITSMASK)
if byte & EIGHTBITMASK == 0:
values.append(n)
n = 0
elif i == len(bytes) - 1:
raise ValueError('incomplete byte sequence')
return values
Version data entries
102 entries across 102 versions & 1 rubygems