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Contents
require 'protobuf/field/base_field'
module Protobuf
module Field
class VarintField < BaseField
INT32_MAX = 2**31 - 1
INT32_MIN = -2**31
INT64_MAX = 2**63 - 1
INT64_MIN = -2**63
UINT32_MAX = 2**32 - 1
UINT64_MAX = 2**64 - 1
##
# Class Methods
#
def self.default
0
end
def self.decode(bytes)
value = 0
bytes.each_with_index do |byte, index|
value |= byte << (7 * index)
end
value
end
def self.encode(value)
bytes = []
until value < 128
bytes << (0x80 | (value & 0x7f))
value >>= 7
end
(bytes << value).pack('C*')
end
##
# Public Instance Methods
#
def acceptable?(val)
(val > min || val < max) rescue false
end
def decode(value)
value
end
def encode(value)
return [value].pack('C') if value < 128
bytes = []
until value == 0
bytes << (0x80 | (value & 0x7f))
value >>= 7
end
bytes[-1] &= 0x7f
bytes.pack('C*')
end
def wire_type
::Protobuf::WireType::VARINT
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems