Class: Cyc::Collection

Inherits:
Object
  • Object
show all
Defined in:
lib/cyc/collection.rb

Overview

Author

Aleksander Pohl ([email protected])

License

MIT/X11 License

This class is used to represent Cyc collections.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(symbol, cyc) ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/cyc/collection.rb', line 9

def initialize(symbol, cyc)
  @symbol = symbol
  @cyc = cyc
  @printed = false
end

Instance Attribute Details

#symbol ⇒ Object (readonly)

Returns the value of attribute symbol.



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# File 'lib/cyc/collection.rb', line 7

def symbol
  @symbol
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/cyc/collection.rb', line 57

def ==(other)
  return false unless other.is_a? Collection
  self.symbol == other.symbol
end

#=~(other) ⇒ Object 



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# File 'lib/cyc/collection.rb', line 62

def =~(other)
  return false unless other.is_a? Collection
  self.parents - other.parents == [] &&
    other.parents - self.parents == []
end

#ancestor?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cyc/collection.rb', line 68

def ancestor?(node)
  return true if node == :Thing
  ancestors = @parents.dup
  while !ancestors.empty?
    ancestor = ancestors.shift
    return true if ancestor == node
    ancestors += ancestor.parents
    ancestors.uniq!
  end
  false
end

#children ⇒ Object 



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# File 'lib/cyc/collection.rb', line 31

def children
  unless @children
    children = @cyc.max_specs(symbol)
    if children
      @children = children.map{|p| Collection.new(p,@cyc)}
    else
      @children = []
    end
  end
  @children
end

#comment ⇒ Object 



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# File 'lib/cyc/collection.rb', line 43

def comment
  @cyc.comment(@symbol)
end

#lexemes ⇒ Object 



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# File 'lib/cyc/collection.rb', line 47

def lexemes()
  default_str = [@cyc.symbol_str(symbol)]
  aux_strs =  @cyc.symbol_strs(symbol) || []
  (default_str + aux_strs).uniq.compact.join(", ")
end

#parents ⇒ Object 



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# File 'lib/cyc/collection.rb', line 19

def parents
  unless @parents
    parents = @cyc.min_genls(symbol)
    @parents = if parents
      parents.map{|p| Collection.new(p,@cyc)}
    else
      []
    end
  end
  @parents
end

#printed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cyc/collection.rb', line 15

def printed?
  @printed
end

#to_s ⇒ Object 



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# File 'lib/cyc/collection.rb', line 53

def to_s
  @symbol.to_s
end