rubyx/lib/sof/hash.rb

61 lines
1.4 KiB
Ruby

module Sof
class HashNode < Node
def initialize ref
super(ref)
@children = []
end
attr_reader :children
def add key , val
@children << [key,val]
end
def out io , level = 0
super
short = true
children.each do |k,v|
short = false unless k.is_a?(SimpleNode)
short = false unless v.is_a?(SimpleNode)
end
if(short and children.length < 7 )
short_out(io,level)
else
long_out(io , level)
end
end
def short_out(io,level)
io.write("{")
children.each_with_index do |child , i|
key , val = child
key.out(io , level + 1)
io.write " => "
val.out(io , level + 1)
io.write ", " unless (i+1) == children.length
end
io.write("}")
end
def long_out io , level
indent = " " * level
children.each_with_index do |child , i|
key , val = child
io.write "\n#{indent}" unless i == 0
io.write "-"
key.out(io , level + 1)
io.write " => "
val.out(io , level + 1)
end
end
end
end
Hash.class_eval do
def to_sof_node(writer , level , ref)
node = Sof::HashNode.new(ref)
each do |key , object|
k = writer.to_sof_node( key ,level + 1)
v = writer.to_sof_node( object ,level +1)
node.add(k , v)
end
node
end
end