Module: Pio::OpenFlow::Flags

Included in:
Pio::OpenFlow10::PhyPort16, Message
Defined in:
lib/pio/open_flow/flags.rb

Overview

bitmap functions. This class smells of :reek:DataClump

Instance Method Summary collapse

Instance Method Details

#_define_flags(name, size, flags) ⇒ Object

rubocop:disable MethodLength This method smells of :reek:TooManyStatements



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# File 'lib/pio/open_flow/flags.rb', line 22

def _define_flags(name, size, flags)
  flag_value = case flags
               when Array
                 shift = 0
                 flags.each_with_object({}) do |each, result|
                   result[each] = 1 << shift
                   shift += 1
                   result
                 end
               when Hash
                 flags
               end

  klass_name = name.to_s.split('_').map(&:capitalize).join
  flags_hash = flag_value.inspect

  module_eval <<-end_eval, __FILE__, __LINE__
    class #{klass_name} < BinData::Primitive
      endian :big

      uint#{size} :#{name}

      def get
        list = #{flags_hash}
        list.each_with_object([]) do |(key, value), result|
          result << key if #{name} & value != 0
          result
        end
      end

      def set(v)
        list = #{flags_hash}
        v.each do |each|
          fail "Invalid state flag: \#{v}" unless list.keys.include?(each)
        end
        self.#{name} = v.empty? ?
                       0 :
                       v.map { |each| list[each] }.inject(:|)
      end
    end
  end_eval
end

#_flags(name, size, flags_) ⇒ Object

rubocop:enable MethodLength



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# File 'lib/pio/open_flow/flags.rb', line 66

def _flags(name, size, flags_)
  _define_flags name, size, flags_
  module_eval "#{name} :#{name}", __FILE__, __LINE__
end

#define_flags_32bit(name, flags) ⇒ Object 



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# File 'lib/pio/open_flow/flags.rb', line 8

def define_flags_32bit(name, flags)
  _define_flags name, 32, flags
end

#flags_16bit(name, flags) ⇒ Object 



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# File 'lib/pio/open_flow/flags.rb', line 16

def flags_16bit(name, flags)
  _flags name, 16, flags
end

#flags_32bit(name, flags) ⇒ Object 



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# File 'lib/pio/open_flow/flags.rb', line 12

def flags_32bit(name, flags)
  _flags name, 32, flags
end