class SrtShifter::Options
Attributes
options[RW]
Public Class Methods
new(args)
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# File lib/srtshifter/options.rb, line 8 def initialize(args) @arguments = args @operations = ["ADD", "SUB"] @options = {} end
Public Instance Methods
parse_options()
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# File lib/srtshifter/options.rb, line 16 def parse_options @arguments.options do |opts| opts.banner = "Usage: #{File.basename($PROGRAM_NAME)} [OPTIONS] input_file output_file" opts.separator "" opts.separator "Common Options:" opts.on("-o","--operation (ADD|SUB)", String, "Type ADD to increase time or SUB to decrease time.") do |o| @options[:operation] = o.upcase end opts.on("-t","--time (VALUE)", Float, "Time in milliseconds.") do |n| @options[:time] = n end opts.on_tail('-h', '--help', 'Show this help message.') do puts(opts) # exit(0) end opts.on_tail("-v","--version", "Show version") do puts SrtShifter::VERSION exit end opts.parse! end end
validate_args()
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# File lib/srtshifter/options.rb, line 46 def validate_args begin raise "Operation option is missing" if @options[:operation].nil? raise "Unknown operation: #{@options[:operation]}" unless @operations.include? @options[:operation].upcase raise "Time option is missing" if @options[:time].nil? raise "Input file is missing" if @arguments[0].nil? @options[:input] = @arguments[0] raise "Output file is missing" if @arguments[1].nil? @options[:output] = @arguments[1] rescue Exception => ex puts "#{ex.message}. Please use -h or --help for usage." # exit(1) end end