Method: VirtualBox::COM::AbstractEnum.map

Defined in:
lib/virtualbox/com/abstract_enum.rb

.map(value = nil) ⇒ Object

Defines the mapping of int => symbol for the given Enum. The parameter to this can be an Array or Hash or anything which can be indexed with [] and an integer and returns a value of some sort. If value is left nil, it will return the current mapping



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# File 'lib/virtualbox/com/abstract_enum.rb', line 13

def map(value = nil)
  if value
    # Convert the array to a hash of equal structure
    if value.is_a?(Array)
      result = {}
      value.each_index do |i|
        result[value[i]] = i
      end

      value = result
    end

    # Store both the map and the reverse map since both lookups
    # are frequently used.
    @map = value
    @reverse_map = @map.invert
  end

  @map
end