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Contents
require 'protobuf/field/varint_field'
module Protobuf
module Field
class EnumField < VarintField
def acceptable?(val)
case val
when Symbol then
raise TypeError unless @type.const_defined?(val)
when EnumValue then
raise TypeError if val.parent_class != @type
else
raise TypeError unless @type.valid_tag?(val)
end
true
end
def encode(value)
super(value.to_i)
end
def enum?
true
end
private
def typed_default_value
if @default.is_a?(Symbol)
@type.const_get(@default)
else
self.class.default
end
end
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.fetch(value)
raise TypeError, "Invalid ENUM value: #{orig_value.inspect} for #{field.name}" unless value
@values[field.name] = value
end
end
end
end
end
end
end
Version data entries
27 entries across 27 versions & 1 rubygems