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Versions: 21
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Contents
require 'protobuf/field/integer_field'
module Protobuf
module Field
class EnumField < IntegerField
##
# 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)
decoded = super(value)
decoded if acceptable?(decoded)
end
def enum?
true
end
def coerce!(value)
enum_value = type_class.fetch(value)
fail TypeError, "Invalid Enum value: #{value.inspect} for #{name}" unless enum_value
enum_value
end
private
##
# Private Instance Methods
#
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
21 entries across 21 versions & 2 rubygems