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#!/usr/bin/env ruby
# frozen_string_literal: true
require "game_of_life"
require "thor"
class CLI < Thor
map %w[-v --version] => :version
desc "--version, -v", "Prints the Game of Life version information"
def version
print "Game of Life version #{GameOfLife::VERSION}"
end
default_task :start
desc "start [OPTIONS]", "Start the Game of Life simulations"
class_option "seed", aliases: "-s", type: :numeric, banner: :SEED,
desc: "Specify the seed number to use as an initial state (default to random)."
class_option "input", aliases: "-i", type: :string, banner: :VALUE,
desc: "Specify the path/URL for the file to use as an initial state. (used instead of seed)"
class_option "width", type: :numeric, banner: :WIDTH,
desc: "Specify the width of generated universe. (default to terminal width)"
class_option "height", type: :numeric, banner: :HEIGHT,
desc: "Specify the hight of generated universe. (default to terminal height)"
class_option "dead-cell", type: :string, banner: :CHAR, default: "\s",
desc: "Specify the dead-cell representation"
class_option "live-cell", type: :string, banner: :CHAR, default: "\u2588",
desc: "Specify the live-cell representation"
class_option "delay", aliases: "-d", type: :numeric, banner: "Milli-Seconds", default: 50,
desc: "Specify the introduced delay between each generation"
def start
universe = GameOfLife.generate(GameOfLife.parsed_options(options))
GameOfLife.run(universe)
end
class << self
# Allow exit with status 1 on failure
# Ref: https://github.com/erikhuda/thor/issues/244#issue-6116190
def exit_on_failure?
true
end
end
end
begin
CLI.start(ARGV)
rescue SystemExit, Interrupt
# Print Seed/File used in previous run when user exits with Interrupt (CMD/Ctrl + C)
print "\e[?1049l"
print "#{GameOfLife::BANNER}\n\e[0m"
rescue NotImplementedError, GameOfLife::Error => e
print e.message
exit(-1)
end
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