60 lines
1.1 KiB
Ruby
60 lines
1.1 KiB
Ruby
# ostruct.rb - Python Style Object
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# just assign to create field
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#
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# s = OpenStruct.new
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# s.foo = 25
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# p s.foo
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# s.bar = 2
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# p s.bar
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# p s
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class OpenStruct
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def initialize(hash=nil)
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@table = {}
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if hash
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for k,v in hash
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@table[k.to_sym] = v
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end
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end
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end
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def method_missing(mid, *args)
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mname = mid.id2name
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len = args.length
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if mname =~ /=$/
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if len != 1
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raise ArgumentError, "wrong # of arguments (#{len} for 1)", caller(1)
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end
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if self.frozen?
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raise TypeError, "can't modify frozen #{self.class}", caller(1)
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end
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mname.chop!
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@table[mname.intern] = args[0]
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elsif len == 0
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@table[mid]
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else
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raise NoMethodError, "undefined method `#{mname}' for #{self}", caller(1)
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end
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end
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def delete_field(name)
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@table.delete name.to_sym
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end
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def inspect
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str = "<#{self.class}"
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for k,v in @table
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str << " #{k}=#{v.inspect}"
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end
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str << ">"
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end
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attr_reader :table
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protected :table
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def ==(other)
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return false unless(other.kind_of?(OpenStruct))
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return @table == other.table
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end
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end
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