Class: Katte::Node::Collection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/katte/node/collection.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/katte/node/collection.rb', line 8

def initialize
  @nodes  = {}
end

Instance Method Details

#add(node, params = {}) ⇒ Object Also known as: << 



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# File 'lib/katte/node/collection.rb', line 19

def add(node, params = {})
  @nodes[node.name] = node
end

#all ⇒ Object 



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# File 'lib/katte/node/collection.rb', line 12

def all
  @nodes.values
end

#connect ⇒ Object 



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# File 'lib/katte/node/collection.rb', line 24

def connect
  cache ||= {} # connection cache

  @nodes.values.each do |node|
    # connect self to parents if exist
    node.requires.each do |req, prm|
      if @nodes[req]
        node.add_parent(@nodes[req], *prm)
        @nodes[req].add_child(node, *prm)
      else
        (cache[req] ||= []) << [node, prm]
      end
    end

    # connect children to self
    if children = cache.delete(node.name)
      children.each {|c, prm|
        c.add_parent(node, *prm)
        node.add_child(c, *prm)
      }
    end
  end
end

#each(&proc) ⇒ Object 



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# File 'lib/katte/node/collection.rb', line 4

def each &proc
  @nodes.values.each &proc
end

#find(node_name) ⇒ Object 



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# File 'lib/katte/node/collection.rb', line 15

def find(node_name)
  @nodes[node_name]
end