Class: OpenStruct
Instance Attribute Summary collapse
-
#table ⇒ Object
readonly
Returns the value of attribute table.
Instance Method Summary collapse
- #==(other) ⇒ Object
- #===(other) ⇒ Object
- #[](name) ⇒ Object
- #[]=(name, value) ⇒ Object
- #delete_field(name) ⇒ Object
- #each_pair ⇒ Object
- #eql?(other) ⇒ Boolean
- #hash ⇒ Object
-
#initialize(hash = nil) ⇒ OpenStruct
constructor
A new instance of OpenStruct.
- #inspect ⇒ Object (also: #to_s)
- #method_missing(name, *args) ⇒ Object
- #new_ostruct_member(name) ⇒ Object
- #to_h ⇒ Object
- #to_n ⇒ Object
Constructor Details
#initialize(hash = nil) ⇒ OpenStruct
Returns a new instance of OpenStruct
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# File 'opal/stdlib/ostruct.rb', line 2 def initialize(hash = nil) @table = {} hash.each_pair {|key, value| @table[new_ostruct_member(key)] = value } if hash end
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(name, *args) ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 18 def method_missing(name, *args) if args.length > 2 raise NoMethodError.new("undefined method `#{name}' for #<OpenStruct>", name) end if name.end_with? '=' if args.length != 1 raise ArgumentError.new "wrong number of arguments (0 for 1)" end @table[new_ostruct_member(name[0 .. -2])] = args[0] else @table[name.to_sym] end end
Instance Attribute Details
#table ⇒ Object (readonly)
Returns the value of attribute table
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# File 'opal/stdlib/ostruct.rb', line 70 def table @table end
Instance Method Details
#==(other) ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 40 def ==(other) return false unless other.is_a?(OpenStruct ) @table == other.instance_variable_get(:@table) end
#===(other) ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 46 def ===(other) return false unless other.is_a?(OpenStruct ) @table === other.instance_variable_get(:@table) end
#[](name) ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 10 def [](name) @table[name.to_sym] end
#[]=(name, value) ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 14 def []=(name, value) @table[new_ostruct_member(name)] = value end
#delete_field(name) ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 72 def delete_field(name) sym = name.to_sym begin singleton_class.__send__(:remove_method, sym, "#{sym}=") rescue NameError end @table.delete sym end
#each_pair ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 32 def each_pair return enum_for :each_pair unless block_given? @table.each_pair {|pair| yield pair } end
#eql?(other) ⇒ Boolean
Returns:
- (Boolean )
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# File 'opal/stdlib/ostruct.rb', line 52 def eql?(other) return false unless other.is_a?(OpenStruct ) @table.eql? other.instance_variable_get(:@table) end
#hash ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 66 def hash @table.hash end
#inspect ⇒ Object Also known as: to_s
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# File 'opal/stdlib/ostruct.rb', line 92 def inspect %x{ var top = (ostruct_ids === undefined), ostruct_id = #{self.__id__}; } begin result = "#<#{self.class}" %x{ if (top) { ostruct_ids = {}; } if (ostruct_ids.hasOwnProperty(ostruct_id)) { return result + ' ...>'; } ostruct_ids[ostruct_id] = true; } result += '' if @table.any? result += each_pair.map {|name, value| "#{name}=#{value.inspect}" }.join ", " result += ">" result ensure %x{ if (top) { ostruct_ids = undefined; } } end end
#new_ostruct_member(name) ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 81 def new_ostruct_member(name) name = name.to_sym unless respond_to?(name) define_singleton_method(name) { @table[name] } define_singleton_method("#{name}=") { |x| @table[name] = x } end name end
#to_h ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 58 def to_h @table.dup end
#to_n ⇒ Object
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# File 'opal/stdlib/ostruct.rb', line 62 def to_n @table.to_n end