Class: CML::LogicTree::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/cml/logic.rb

Overview

A node in CML::LogicTree, containing a CML::Tag in @tag

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tree, tag) ⇒ Node

Returns a new instance of Node.



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# File 'lib/cml/logic.rb', line 83

def initialize( tree, tag )
  @tree = tree
  @tag = tag
  @tag.logic_tree = @tree
  self
end

Instance Attribute Details

#tag ⇒ Object (readonly)

Returns the value of attribute tag.



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# File 'lib/cml/logic.rb', line 81

def tag
  @tag
end

#tree ⇒ Object (readonly)

Returns the value of attribute tree.



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# File 'lib/cml/logic.rb', line 81

def tree
  @tree
end

Instance Method Details

#dependencies_on(&block) ⇒ Object

Hash of tag dependency details (name/is_not/match_key) on (only-if logic)



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# File 'lib/cml/logic.rb', line 95

def dependencies_on(&block)
  if block_given?
    @tag.dependencies_on_fields(&block)
  else
    @dependencies_on_nodes ||= @tag.dependencies_on_fields
  end
end

#depends_on ⇒ Object

Array of Node instances the tag depends on (only-if logic)



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# File 'lib/cml/logic.rb', line 104

def depends_on
  @depends_on_nodes ||= @tag.depends_on_fields.map do |field_name|
    @tree.nodes[field_name]
  end.compact.uniq
end

#depth ⇒ Object 



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# File 'lib/cml/logic.rb', line 90

def depth
  @depth ||= @tree.depth( self )
end

#has_grouped_logic? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cml/logic.rb', line 114

def has_grouped_logic?
  @tag.depends_on_fields
  !!@tag.has_grouped_logic
end

#has_liquid_logic? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cml/logic.rb', line 119

def has_liquid_logic?
  @tag.depends_on_fields
  !!@tag.has_liquid_logic
end

#has_logic? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cml/logic.rb', line 110

def has_logic?
  self.depends_on.size > 0
end