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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'
require 'cosmos/tools/table_manager/table_item'
module Cosmos
# Table extends Packet by adding more attributes relative to
# displaying binary data in a gui.
class Table < Packet
# Define the target for tables as 'TABLE' since there is no target
TARGET = 'TABLE'
# @return [Symbol] Either :ONE_DIMENSIONAL or :TWO_DIMENSIONAL
attr_reader :type
# @return [String] File which contains the table definition
attr_reader :filename
# @return [Integer] Number of columns in the table
attr_accessor :num_columns
alias table_name packet_name
# Constructor for a TableDefinition
def initialize(name, endianness, type, description, filename)
super(TARGET, name, endianness, description, '', TableItem)
if type != :ONE_DIMENSIONAL && type != :TWO_DIMENSIONAL
raise ArgumentError, "Invalid type '#{type}' for table '#{name}'. Must be ONE_DIMENSIONAL or TWO_DIMENSIONAL"
end
@type = type
@filename = filename
@num_rows = 0
@num_columns = (@type == :ONE_DIMENSIONAL) ? 1 : 0
end
# @param num_rows [Integer] Set the number of rows in a TWO_DIMENSIONAL table
def num_rows=(num_rows)
case @type
when :ONE_DIMENSIONAL
raise "Rows are fixed in a ONE_DIMENSIONAL table"
when :TWO_DIMENSIONAL
@num_rows = num_rows
end
end
# @return [Integer] Number of rows in the table
def num_rows
case @type
when :ONE_DIMENSIONAL
@sorted_items.count {|item| !item.hidden }
when :TWO_DIMENSIONAL
@num_rows
end
end
end
end
Version data entries
39 entries across 39 versions & 1 rubygems