Sha256: ba7c59a52536e7364218907fc0e5d5fdb6450c4eebee5a2a61e49745a85dbb0c
Contents?: true
Size: 690 Bytes
Versions: 29
Compression:
Stored size: 690 Bytes
Contents
module Protobuf
module VarintPure
CACHE_LIMIT = 2048
def cached_varint(value)
@_varint_cache ||= {}
(@_varint_cache[value] ||= encode(value, false)).dup
end
def decode(stream)
value = index = 0
begin
byte = stream.readbyte
value |= (byte & 0x7f) << (7 * index)
index += 1
end while (byte & 0x80).nonzero?
value
end
def encode(value, use_cache = true)
return cached_varint(value) if use_cache && value >= 0 && value <= CACHE_LIMIT
bytes = []
until value < 128
bytes << (0x80 | (value & 0x7f))
value >>= 7
end
(bytes << value).pack('C*')
end
end
end
Version data entries
29 entries across 29 versions & 3 rubygems