43 lines
707 B
Ruby
43 lines
707 B
Ruby
class OrderedHash < Array #:nodoc:
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def []=(key, value)
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if pair = find_pair(key)
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pair.pop
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pair << value
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else
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self << [key, value]
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end
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end
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def [](key)
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pair = find_pair(key)
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pair ? pair.last : nil
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end
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def keys
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self.collect { |i| i.first }
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end
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private
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def find_pair(key)
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self.each { |i| return i if i.first == key }
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return false
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end
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end
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class OrderedOptions < OrderedHash #:nodoc:
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def []=(key, value)
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super(key.to_sym, value)
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end
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def [](key)
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super(key.to_sym)
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end
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def method_missing(name, *args)
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if name.to_s =~ /(.*)=$/
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self[$1.to_sym] = args.first
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else
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self[name]
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end
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end
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end |