Class: Undies::NodeBuffer

Inherits:
Array
  • Object
show all
Defined in:
lib/undies/node_buffer.rb

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ NodeBuffer

the buffer allows for dynamic node handling while limiting memory bloat. the Output handler ensures that only 1 node is buffered in memory at any given time by pulling the previous node to output before pushing the next node for processing.



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# File 'lib/undies/node_buffer.rb', line 14

def initialize(*args)
  # always initialize empty
  super()
end

Instance Method Details

#flush(output) ⇒ Object 



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# File 'lib/undies/node_buffer.rb', line 30

def flush(output)
  self.pull(output) while self.size > 0
end

#pull(output) ⇒ Object 



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# File 'lib/undies/node_buffer.rb', line 24

def pull(output)
  if (node = self.shift)
    node.class.flush(output, node)
  end
end

#push(node) ⇒ Object 



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# File 'lib/undies/node_buffer.rb', line 19

def push(node)
  super
  node
end