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Versions: 22
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Contents
require 'protobuf/field/varint_field'
module Protobuf
module Field
class EnumField < VarintField
##
# Class Methods
#
def self.default
fail NoMethodError, "#{self}.#{__method__} must be called on an instance"
end
##
# Public Instance Methods
#
def acceptable?(val)
!type_class.fetch(val).nil?
end
def encode(value)
super(value.to_i)
end
def decode(value)
value if acceptable?(value)
end
def enum?
true
end
private
##
# Private Instance Methods
#
def define_setter
field = self
message_class.class_eval do
define_method("#{field.name}=") do |value|
orig_value = value
if value.nil?
@values.delete(field.name)
else
value = field.type_class.fetch(value)
fail TypeError, "Invalid Enum value: #{orig_value.inspect} for #{field.name}" unless value
@values[field.name] = value
end
end
end
end
def typed_default_value
if default.is_a?(Symbol)
type_class.const_get(default)
else
type_class.fetch(default) || type_class.enums.first
end
end
end
end
end
Version data entries
22 entries across 22 versions & 3 rubygems