Class: Wood::NodeRewriter

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node, name = nil, parent = nil) ⇒ NodeRewriter

Returns a new instance of NodeRewriter.



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# File 'lib/wood/node_rewriter.rb', line 9

def initialize(node, name = nil, parent = nil)
  @node = node
  @parent = parent
  @name = name
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/wood/node_rewriter.rb', line 15

def method_missing(method, *args, &block)
  NodeRewriter.new(@node.__send__(method, *args, &block), method, self)
end

Instance Attribute Details

#node ⇒ Object (readonly)

Returns the value of attribute node.



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# File 'lib/wood/node_rewriter.rb', line 7

def node
  @node
end

Instance Method Details

#rewrite(new_node_val) ⇒ Object 



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# File 'lib/wood/node_rewriter.rb', line 19

def rewrite(new_node_val)
  if new_node_val.respond_to? :node
    new_node_val = new_node_val.node
  end

  if @parent && @name
    @parent.set_child(@name, new_node_val)
  end
end