Class: Node

Inherits:
Object
  • Object
show all
Defined in:
lib/node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, node_text = "") ⇒ Node

Returns a new instance of Node.



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# File 'lib/node.rb', line 5

def initialize(parent,node_text= "")
  validate_node_format(node_text)
  @node_text = node_text
  @comments = []
  @children = []
  @parent = parent
  @parent.add_child(self) if parent
end

Instance Attribute Details

#children ⇒ Object (readonly)

Returns the value of attribute children.



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# File 'lib/node.rb', line 3

def children
  @children
end

#node_text ⇒ Object (readonly)

Returns the value of attribute node_text.



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# File 'lib/node.rb', line 3

def node_text
  @node_text
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/node.rb', line 3

def parent
  @parent
end

Instance Method Details

#add_child(node) ⇒ Object 



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# File 'lib/node.rb', line 14

def add_child(node)
  @children.push(node)
end

#add_comment(comment) ⇒ Object 



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# File 'lib/node.rb', line 39

def add_comment(comment)
  @comments << (comment + "\n")
end

#children_to_s(with_comments = false) ⇒ Object 



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# File 'lib/node.rb', line 22

def children_to_s(with_comments=false)
  branches = ""
   if @children.size > 1
    @children[1..-1].each {|node| branches += "(#{node.children_to_s(with_comments)})"}
  end
  children_text =""
  if @children.first
    children_text = @children.first.children_to_s(with_comments)
  end
  comment_node = with_comments ? comments : "" 
  node_text + comment_node + branches + children_text
end

#color ⇒ Object 



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# File 'lib/node.rb', line 46

def color
  @node_text[1]
end

#comments ⇒ Object 



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# File 'lib/node.rb', line 42

def comments
  @comments.empty? ? "" : "C[#{@comments.join.gsub("]","\\]").gsub(")","\\)")}]"
end

#coordinate ⇒ Object 



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# File 'lib/node.rb', line 56

def coordinate
  x+y
end

#pass_node? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/node.rb', line 59

def pass_node?
  @node_text.match(/[BW]\[\]/)
end

#time_left ⇒ Object 



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# File 'lib/node.rb', line 71

def time_left
  @node_text.match(/[#{color}]L\[\d{0,6}.\d{3}\]/).to_s[3..-2].to_f
end

#time_left=(time_left) ⇒ Object 



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# File 'lib/node.rb', line 74

def time_left=(time_left)
  @node_text.gsub!(/[#{color}]L\[\d{0,6}.\d{3}\]/, "#{color}L[%.3f]" % [time_left])
end

#to_move_list ⇒ Object 



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# File 'lib/node.rb', line 18

def to_move_list
  children_to_s
end

#to_s ⇒ Object 



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# File 'lib/node.rb', line 35

def to_s
  children_to_s(true)
end

#validate_node_format(node) ⇒ Object 



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# File 'lib/node.rb', line 63

def validate_node_format(node)
  valid = node.match(/;[BW]\[(|[a-z][a-z])\]/)
  if node.include?("BL") || node.include?("WL")
    valid = valid && node.match(/[BW]L\[\d{0,6}.\d{3}\]/)
  end
  raise "#{node} is invalid node format" unless valid
end

#x ⇒ Object 



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# File 'lib/node.rb', line 50

def x
  @node_text[3] unless pass_node?
end

#y ⇒ Object 



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# File 'lib/node.rb', line 53

def y
  @node_text[4] unless pass_node?
end