Class: Mutations::SymbolFilter

Inherits:
AdditionalFilter show all
Defined in:
lib/mutations/symbol_filter.rb

Instance Attribute Summary

Attributes inherited from InputFilter

#options

Instance Method Summary collapse

Methods inherited from AdditionalFilter

inherited

Methods inherited from InputFilter

#default, default_options, #discard_empty?, #discard_invalid?, #discard_nils?, #has_default?, #initialize

Constructor Details

This class inherits a constructor from Mutations::InputFilter

Instance Method Details

#filter(data) ⇒ Object 



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# File 'lib/mutations/symbol_filter.rb', line 8

def filter(data)
  if data.nil?
    return [nil, nil] if options[:nils]
    return [nil, :nils]
  end

  case data
  when Symbol # we're good!
  when String then data = data.to_sym
  else return [nil, :symbol]
  end

  # Ensure it matches `in`
  return [data, :in] if options[:in] && !options[:in].include?(data)

  [data, nil]
end