Sha256: 76ff0d397f831204db58763d2b332d1355a9e3ef714ab5eb69ce8bf1b882aceb
Contents?: true
Size: 639 Bytes
Versions: 129
Compression:
Stored size: 639 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
129 entries across 129 versions & 1 rubygems