Class: Scrub

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Scrub

Returns a new instance of Scrub.



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# File 'lib/dnode/scrub.rb', line 4

def initialize
    @callbacks = {}
    @last_id = 0
end

Instance Attribute Details

#callbacks ⇒ Object

Returns the value of attribute callbacks.



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# File 'lib/dnode/scrub.rb', line 9

def callbacks
  @callbacks
end

Instance Method Details

#scrub(args) ⇒ Object 



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# File 'lib/dnode/scrub.rb', line 11

def scrub args
    callbacks = {}
    walked = Walk.new(args).walk do |node|
        if node.value.is_a? Proc then
            id = @last_id
            @last_id += 1
            @callbacks[id] = node.value
            callbacks[id] = node.path.clone
            node.value = '[Function]'
        end
    end
    { :arguments => walked, :callbacks => callbacks }
end

#unscrub(req, &block) ⇒ Object 



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# File 'lib/dnode/scrub.rb', line 25

def unscrub req, &block
    args = Walk.new(req['arguments']).walk do |node|
        path = node.path.map(&:to_s)
        pair = req['callbacks'].detect{ |_,p| p.map(&:to_s) == path }
        unless pair.nil? then
            id = pair.first
            node.value = block.call(id)
        end
    end
end