class Djinni::Wish::Help
Public Instance Methods
aliases()
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# File lib/djinni/wish/help.rb, line 2 def aliases return ["?", "help"] end
description()
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# File lib/djinni/wish/help.rb, line 6 def description return "Show helpful information for a command or commands" end
execute(args, djinni_env = {})
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# File lib/djinni/wish/help.rb, line 10 def execute(args, djinni_env = {}) wishes = djinni_env["djinni_wishes"] max = wishes.keys.max_by(&:length).length if (args.empty?) fill = Array.new(max - 7 + 4, " ").join puts "COMMAND#{fill}DESCRIPTION" puts "-------#{fill}-----------" wishes.sort do |a, b| a.first.downcase <=> b.first.downcase end.each do |aliaz, wish| fill = Array.new(max - aliaz.length + 4, " ").join puts "#{aliaz}#{fill}#{wish.description}" end elsif (args.split(" ").length == 1) wishes.sort do |a, b| a.first.downcase <=> b.first.downcase end.each do |aliaz, wish| if (aliaz == args) wish.usage return end end puts "Command #{args} not found!" else usage end end
tab_complete(input, djinni_env = {})
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# File lib/djinni/wish/help.rb, line 38 def tab_complete(input, djinni_env = {}) return [{}, "", " "] if (input.include?(" ")) completions = Hash.new djinni_env["djinni_wishes"].select do |aliaz, wish| aliaz.downcase.start_with?(input.downcase) end.sort do |a, b| a.first.downcase <=> b.first.downcase end.each do |aliaz, wish| completions[aliaz] = wish.description end return [completions, input, " "] end
usage()
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# File lib/djinni/wish/help.rb, line 53 def usage puts "help [command]" puts " Print usage for specified command. If no command is" puts " specified, print description of all commands." end