60 lines
1.7 KiB
Ruby
60 lines
1.7 KiB
Ruby
module Sof
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class Writer
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include Util
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def initialize members
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@members = members
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end
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def write
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node = to_sof_node(@members.root , 0)
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io = StringIO.new
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node.out( io , 0 )
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io.string
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end
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def to_sof_node(object , level)
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if is_value?(object)
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return SimpleNode.new(object.to_sof())
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end
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occurence = @members.objects[object]
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raise "no object #{object}" unless occurence
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if(level > occurence.level )
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#puts "level #{level} at #{occurence.level}"
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return SimpleNode.new("*#{occurence.referenced}")
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end
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ref = occurence.referenced
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if(object.respond_to? :to_sof_node) #mainly meant for arrays and hashes
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object.to_sof_node(self , level , ref )
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else
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object_sof_node(object , level , ref )
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end
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end
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def object_sof_node( object , level , ref)
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if( object.is_a? Class )
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return SimpleNode.new( object.name )
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end
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head = object.class.name + "("
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atts = attributes_for(object).inject({}) do |hash , a|
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val = get_value(object , a)
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hash[a] = to_sof_node(val , level + 1)
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hash
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end
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immediate , extended = atts.partition {|a,val| val.is_a?(SimpleNode) }
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head += immediate.collect {|a,val| "#{a.to_sof()} => #{val.data}"}.join(", ") + ")"
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return SimpleNode.new(head) if( ref.nil? and extended.empty? and head.length < 30 )
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node = ObjectNode.new(head , ref)
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extended.each do |a , val|
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node.add( to_sof_node(a,level + 1) , val )
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end
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node
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end
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def self.write object
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writer = Writer.new(Members.new(object) )
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writer.write
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end
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end
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end
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