Class: Cosmos::Conversion

Inherits:
Object show all
Defined in:
lib/cosmos/conversions/conversion.rb

Overview

Performs a general conversion via the implementation of the call method

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Conversion

Create a new conversion



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# File 'lib/cosmos/conversions/conversion.rb', line 23

def initialize
  @converted_type = nil
  @converted_bit_size = nil
  @converted_array_size = nil
end

Instance Attribute Details

#converted_array_size ⇒ Integer (readonly)

Returns The size in bits of the converted array value.

Returns:

  • (Integer) —

    The size in bits of the converted array value



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# File 'lib/cosmos/conversions/conversion.rb', line 20

def converted_array_size
  @converted_array_size
end

#converted_bit_size ⇒ Integer (readonly)

Returns The size in bits of the converted value.

Returns:

  • (Integer) —

    The size in bits of the converted value



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# File 'lib/cosmos/conversions/conversion.rb', line 18

def converted_bit_size
  @converted_bit_size
end

#converted_type ⇒ Symbol (readonly)

Returns The converted data type. Must be one of StructureItem#data_type.

Returns:



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# File 'lib/cosmos/conversions/conversion.rb', line 16

def converted_type
  @converted_type
end

Instance Method Details

#call(value, packet, buffer) ⇒ Object

Perform the conversion on the value.

Parameters:

  • value (Object) —

    The value to convert

  • packet (Packet) —

    The packet which contains the value. This can be useful to reach into the packet and use other values in the conversion.

  • buffer (String) —

    The packet buffer

Returns:

  • The converted value



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# File 'lib/cosmos/conversions/conversion.rb', line 37

def call(value, packet, buffer)
  raise "call method must be defined by subclass"
end

#to_config(read_or_write) ⇒ String

Returns Config fragment for this conversion.

Parameters:

  • read_or_write (String) —

    Either 'READ' or 'WRITE'

Returns:

  • (String) —

    Config fragment for this conversion



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# File 'lib/cosmos/conversions/conversion.rb', line 48

def to_config(read_or_write)
  "    #{read_or_write}_CONVERSION #{self.class.name.class_name_to_filename}\n"
end

#to_s ⇒ String

Returns The conversion class.

Returns:

  • (String) —

    The conversion class



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# File 'lib/cosmos/conversions/conversion.rb', line 42

def to_s
  self.class.to_s.split('::')[-1]
end