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Contents
module Frodo
module Properties
# Abstract base class for Frodo EnumTypes
# @see [Frodo::Schema::EnumType]
class Enum < Frodo::Property
# Returns the property value, properly typecast
# @return [String, nil]
def value
if @value.nil? && allows_nil?
nil
else
@value
end
end
# Sets the property value
# @params new_value [String]
def value=(new_value)
parsed_value = validate(new_value)
@value = is_flags? ? parsed_value : parsed_value.first
end
# Value to be used in URLs.
# @return [String]
def url_value
"#{type}'#{@value}'"
end
private
def members
raise NotImplementedError, 'Subclass must override'
end
def validate(value)
return [] if value.nil? && allows_nil?
values = parse_value(value)
if values.length > 1 && !is_flags?
raise ArgumentError, 'Multiple values are not allowed for this property'
end
values.map do |value|
if members.keys.include?(value)
members[value]
elsif members.values.include?(value)
value
else
validation_error "Value must be one of #{members.to_a}, but was: '#{value}'"
end
end.compact
end
def parse_value(value)
return nil if value.nil?
value.to_s.split(',').map(&:strip).map do |val|
val =~ /^[0-9]+$/ ? val.to_i : val
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems