39 lines
952 B
Ruby
39 lines
952 B
Ruby
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module Sof
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# ObjectNode means node with structure
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# ie arrays and hashes get transformed into these too, as well as objects with attributes
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class ObjectNode < Node
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# init with a string, much like a simple node
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# structure is added after construction and kept in a children array
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def initialize data , ref
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super(ref)
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@data = data
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@children = []
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end
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attr_reader :children , :data
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# children array hold key value pairs
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def add k , v
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@children << [k,v]
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end
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# write out at the given level
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# level determines the indentation (level * space)
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# write out the data and then the children (always key value on one line)
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def out io , level
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super
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io.write(@data)
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indent = " " * (level + 1)
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@children.each do |k,v|
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io.write "\n#{indent}"
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k.out(io , level + 1)
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io.write " "
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v.out(io , level + 1)
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end
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end
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end
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end
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