class RubyEnum::Base
Attributes
name[R]
Public Class Methods
all()
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# File lib/rubyenum.rb, line 12 def self.all class_variable_get(:"@@all") end
enum(symbol, *vals)
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# File lib/rubyenum.rb, line 43 def self.enum(symbol, *vals) enumObj = new symbol.to_s const_set(symbol.to_s, enumObj) vals.each_with_index do |val, i| if get_fields[i].nil? raise "too many arguments passed to enum. Each enum may only have as many values as fields defined." end enumObj.add_attribute(get_fields[i], val) end class_variable_get(:"@@all") << enumObj end
fields(*args)
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# File lib/rubyenum.rb, line 20 def self.fields(*args) class_variable_set(:"@@all", []) fields = [] args.each do |argument| fields << argument define_singleton_method("from_#{argument.to_s}") do |value| item_to_return = nil class_variable_get(:"@@all").each do |item| if item.send(argument) == value item_to_return = item break end end item_to_return end end const_set("FIELDS", fields) end
get_fields()
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# File lib/rubyenum.rb, line 16 def self.get_fields const_get("FIELDS") end
new(name)
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# File lib/rubyenum.rb, line 55 def initialize(name) @name = name end
value_of(symbol)
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# File lib/rubyenum.rb, line 39 def self.value_of(symbol) const_get(symbol.to_s) end
Public Instance Methods
add_attribute(attr_name, value)
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# File lib/rubyenum.rb, line 59 def add_attribute(attr_name, value) var = instance_variable_set(:"@#{attr_name}", value) define_singleton_method("#{attr_name}") do var end end