Module: BinData::Int

Defined in:
lib/bindata/int.rb

Overview

Defines a number of classes that contain an integer. The integer is defined by endian, signedness and number of bytes.

Constant Summary collapse

@@mutex =

:nodoc: all

Mutex.new

Class Method Summary collapse

Class Method Details

.define_class(name, nbits, endian, signed) ⇒ Object 



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# File 'lib/bindata/int.rb', line 12

def define_class(name, nbits, endian, signed)
  @@mutex.synchronize do
    unless BinData.const_defined?(name)
      BinData.module_eval <<-END
        class #{name} < BasePrimitive
          def assign(val)
            #{create_clamp_code(nbits, signed)}
            super(val)
          end

          def do_num_bytes
            #{nbits / 8}
          end

          #---------------
          private

          def sensible_default
            0
          end

          def value_to_binary_string(val)
            #{create_clamp_code(nbits, signed)}
            #{create_to_binary_s_code(nbits, endian, signed)}
          end

          def read_and_return_value(io)
            #{create_read_code(nbits, endian, signed)}
          end
        end
      END
    end
  end

  BinData.const_get(name)
end