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Contents
# 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
module Cosmos
class FormatStringParser
# @param parser [ConfigParser] Configuration parser
# @param item [Packet] The current item
def self.parse(parser, item)
raise parser.error("Items with STATE can't define FORMAT_STRING") if item.states
@parser = FormatStringParser.new(parser)
@parser.verify_parameters()
@parser.create_format_string(item)
end
# @param parser [ConfigParser] Configuration parser
def initialize(parser)
@parser = parser
end
def verify_parameters
@usage = "FORMAT_STRING <PRINTF STYLE STRING>"
@parser.verify_num_parameters(1, 1, @usage)
end
# @param item [PacketItem] The item the limits response should be added to
def create_format_string(item)
item.format_string = @parser.parameters[0]
# Only test the format string if there is not a read conversion because
# read conversion can return any type
test_format_string(item) unless item.read_conversion
end
private
def test_format_string(item)
case item.data_type
when :INT, :UINT
sprintf(item.format_string, 0)
when :FLOAT
sprintf(item.format_string, 0.0)
when :STRING, :BLOCK
sprintf(item.format_string, 'Hello')
else
# Nothing to do
end
rescue Exception
raise @parser.error("Invalid FORMAT_STRING specified for type #{item.data_type}: #{@parser.parameters[0]}", @usage)
end
end
end # module Cosmos
Version data entries
19 entries across 19 versions & 1 rubygems