Class: C::NodeList

Inherits:
Node
  • Object
show all
Includes:
Enumerable
Defined in:
lib/cast/node_list.rb,
lib/cast/parse.rb,
lib/cast/node_list.rb

Overview

Abstract base class of the Node list classes.

Direct Known Subclasses

NodeArray, NodeChain

Constant Summary

Constants inherited from Node

C::Node::INSPECT_TAB

Instance Attribute Summary

Attributes inherited from Node

#parent, #pos, #subclasses

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#=~, abstract, add_field, #assert_invariants, #attached?, child, #clone, #depth_first, #detach, #detached?, #dup, #each, #eql?, field, fields, #fields, inherited, initializer, #insert_next, #insert_prev, inspect1, #list_next, #list_prev, #method_missing, new_at, #next, #node_after, #node_before, #postorder, #preorder, #prev, #remove_node, #replace_node, #replace_with, #reverse_depth_first, #reverse_each, #reverse_postorder, #reverse_preorder, subclasses_recursive, #swap_with

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class C::Node

Class Method Details

.[](*args) ⇒ Object 



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# File 'lib/cast/node_list.rb', line 18

def self.[](*args)
  new.concat(args)
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/cast/node_list.rb', line 27

def ==(other)
  return false if !other.is_a? C::NodeList

  # none of the NodeList classes here have fields, but there's no
  # reason why one can't subclass one to have fields
  fields.each do |field|
    mine  = self .send(field.reader)
    yours = other.send(field.reader)
    mine == yours or return false
  end

  other = other.to_a
  return false if other.length != self.length
  each_with_index do |node, i|
    return false if node != other[i]
  end
  return true
end

#hash ⇒ Object 



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# File 'lib/cast/node_list.rb', line 46

def hash
  hash = 0
  each do |node|
    hash ^= node.hash
  end
  return hash
end

#inspect ⇒ Object 



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# File 'lib/cast/node_list.rb', line 58

def inspect
  "#{self.class}[#{self.map(&:inspect).join(', ')}]"
end

#match?(arr, parser = nil) ⇒ Boolean

As defined in Node.

Returns:

  • (Boolean) 


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# File 'lib/cast/parse.rb', line 40

def match?(arr, parser=nil)
  arr = arr.to_a
  return false if arr.length != self.length
  each_with_index do |node, i|
    node.match?(arr[i], parser) or return false
  end
  return true
end

#size ⇒ Object 



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# File 'lib/cast/node_list.rb', line 23

def size
  length
end

#to_s ⇒ Object 



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# File 'lib/cast/node_list.rb', line 54

def to_s
  self.join ', '
end