Class: SearchCopGrammar::Nodes::Collection

Inherits:
Object
  • Object
show all
Includes:
Base
Defined in:
lib/search_cop_grammar/nodes.rb

Direct Known Subclasses

And, FulltextCollection, Or

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Base

#and, #can_optimize?, #fulltext?, #not, #optimize!, #or

Constructor Details

#initialize(*nodes) ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/search_cop_grammar/nodes.rb', line 131

def initialize(*nodes)
  @nodes = nodes.flatten
end

Instance Attribute Details

#nodes ⇒ Object (readonly)

Returns the value of attribute nodes.



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# File 'lib/search_cop_grammar/nodes.rb', line 129

def nodes
  @nodes
end

Instance Method Details

#can_flatten? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/search_cop_grammar/nodes.rb', line 135

def can_flatten?
  nodes.any?(&:can_flatten?) || nodes.any? { |node| node.is_a?(self.class) || node.nodes.size == 1 }
end

#can_group? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/search_cop_grammar/nodes.rb', line 145

def can_group?
  nodes.reject(&:fulltext?).any?(&:can_group?) || nodes.select(&:fulltext?).group_by(&:collection).any? { |_, group| group.size > 1 }
end

#finalize! ⇒ Object 



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# File 'lib/search_cop_grammar/nodes.rb', line 155

def finalize!
  @nodes = nodes.collect(&:finalize!)

  self
end

#flatten!(&block) ⇒ Object 



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# File 'lib/search_cop_grammar/nodes.rb', line 139

def flatten!(&block)
  @nodes = nodes.collect(&:flatten!).collect { |node| node.is_a?(self.class) || node.nodes.size == 1 ? node.nodes : node }.flatten

  self
end

#group! ⇒ Object 



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# File 'lib/search_cop_grammar/nodes.rb', line 149

def group!
  @nodes = nodes.reject(&:fulltext?).collect(&:group!) + nodes.select(&:fulltext?).group_by(&:collection).collect { |collection, group| group.size > 1 ? self.class::Fulltext.new(collection, group) : group.first }

  self
end