Class: ExStruct

Inherits:
OpenStruct
  • Object
show all
Defined in:
lib/ex_struct.rb

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(mid, *args) ⇒ Object 



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# File 'lib/ex_struct.rb', line 3

def method_missing(mid, *args)
  mname = mid.id2name
  len = args.length
  if mname.chomp!('=')
    if len != 1
      raise ArgumentError, "wrong number of arguments (#{len} for 1)", caller(1)
    end
    modifiable[new_ostruct_member(mname)] = args[0]
  elsif mname.chomp!('?')
    if len != 0
      raise ArgumentError, "wrong number of arguments (#{len} for 0)", caller(1)
    end
    @table[mname.to_sym]
  elsif len == 0
    ret = @table[mid]
    ret = (modifiable[new_ostruct_member(mname)] = self.class.new) unless ret
    ret
  else  
    raise ArgumentError, "wrong number of arguments (#{len} for 0)", caller(1)
  end   
end