module NForm::Attributes
Public Class Methods
extended(base)
click to toggle source
# File lib/nform/attributes.rb, line 70 def self.extended(base) base.include(InstanceMethods) end
Public Instance Methods
__hash_rep()
click to toggle source
# File lib/nform/attributes.rb, line 33 def __hash_rep @hash_rep ||= :complete end
__undef_attr()
click to toggle source
# File lib/nform/attributes.rb, line 29 def __undef_attr @undef_attr ||= :raise end
attribute(name,coerce:nil,required:false,default:nil)
click to toggle source
# File lib/nform/attributes.rb, line 7 def attribute(name,coerce:nil,required:false,default:nil) attribute_set[name.to_sym] = {coerce: coerce, required: required, default: default} end
attribute_set()
click to toggle source
# File lib/nform/attributes.rb, line 11 def attribute_set @attribute_set ||= {} end
define_attributes()
click to toggle source
# File lib/nform/attributes.rb, line 37 def define_attributes attribute_set.each do |name,options| define_method(name) do instance_variable_get("@#{name}") end # TODO: must use coercion set c = get_coercion(options[:coerce]) define_method("#{name}=") do |input| @__touched_keys << name instance_variable_set("@#{name}", c.call(input,self)) end end end
get_coercion(coerce_option)
click to toggle source
# File lib/nform/attributes.rb, line 52 def get_coercion(coerce_option) case when coerce_option.nil? proc{|n| n } when coerce_option.is_a?(Symbol) NForm::Coercions.fetch(coerce_option) when coerce_option.respond_to?(:call) coerce_option when coerce_option.is_a?(Enumerable) chain = coerce_option.map{|o| get_coercion(o) } proc do |input,scope| chain.reduce(input){|i,c| c.call(i,scope) } end else raise Error, "Invalid coerce option given" end end
hash_representation(option)
click to toggle source
# File lib/nform/attributes.rb, line 22 def hash_representation(option) unless %i|partial complete|.include?(option) raise ArgumentError, "Unknown option `#{option}` for hash representation. Options are :partial or :complete" end @hash_rep = option end
undefined_attributes(option)
click to toggle source
# File lib/nform/attributes.rb, line 15 def undefined_attributes(option) unless %i|raise ignore|.include?(option) raise ArgumentError, "Unknown option `#{option}` for undefined attributes. Options are :raise or :ignore" end @undef_attr = option end