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# encoding: ascii-8bit
# Copyright 2014 Ball Aerospace & Technologies Corp.
# All Rights Reserved.
#
# This program is free software; you can modify and/or redistribute it
# under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 3 with
# attribution addendums as found in the LICENSE.txt
require 'cosmos/conversions/conversion'
require 'cosmos/packets/binary_accessor'
module Cosmos
# Performs a generic conversion by evaluating Ruby code
class GenericConversion < Conversion
# @return [String] The Ruby code to evaluate which should return the
# converted value
attr_accessor :code_to_eval
# @param code_to_eval [String] The Ruby code to evaluate which should
# return the converted value
# @param converted_type [Symbol] The converted data type. Must be one of
# {BinaryAccessor::DATA_TYPES}
# @param converted_bit_size [Integer] The size in bits of the converted
# value
def initialize(code_to_eval, converted_type = nil, converted_bit_size = nil)
super()
@code_to_eval = code_to_eval
if ConfigParser.handle_nil(converted_type)
converted_type = converted_type.to_s.upcase.intern
raise "Invalid type #{converted_type}" unless BinaryAccessor::DATA_TYPES.include?(converted_type)
@converted_type = converted_type
end
@converted_bit_size = Integer(converted_bit_size) if ConfigParser.handle_nil(converted_bit_size)
end
# (see Cosmos::Conversion#call)
def call(value, packet, buffer)
myself = packet # For backwards compatibility
if true or myself # Remove unused variable warning for myself
return eval(@code_to_eval)
end
end
# @return [String] The conversion class followed by the code to evaluate
def to_s
"#{@code_to_eval}"
end
end # class GenericConversion
end # module Cosmos
Version data entries
21 entries across 21 versions & 1 rubygems