Class: Kut::Application

Inherits:
Object
  • Object
show all
Defined in:
lib/kut/application.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Application

Returns a new instance of Application.



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# File 'lib/kut/application.rb', line 8

def initialize
  @option_parser = OptionParser.new
  @options = OpenStruct.new
  @commands = []
end

Instance Attribute Details

#commands ⇒ Object

Returns the value of attribute commands.



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# File 'lib/kut/application.rb', line 6

def commands
  @commands
end

Instance Method Details

#command_by_name(cmd_name) ⇒ Object 



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# File 'lib/kut/application.rb', line 25

def command_by_name(cmd_name)
  cmd = nil
  commands.each { |c|
    if c.name == cmd_name
      cmd = c
      break 
    end
  } 
  return cmd 
end

#run ⇒ Object 



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# File 'lib/kut/application.rb', line 46

def run
  show_help() unless ARGV
  show_help() if ARGV.size() == 0
  show_help() if ['-h', '--help'].include?(ARGV[0])
  
  args = ARGV.dup()
  args.delete_at(0)
  run_command(ARGV[0], args)
end

#run_command(cmd_name, args) ⇒ Object 



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# File 'lib/kut/application.rb', line 36

def run_command(cmd_name, args)
  cmd = command_by_name(cmd_name)
  if cmd then
    cmd.run(args) 
  else
    puts "kut: #{cmd_name} is not a kut-command. See 'kut --help'"
    exit
  end
end

#show_help ⇒ Object 



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# File 'lib/kut/application.rb', line 14

def show_help
  puts 'usage: kut [--help] COMMAND [ARGS]'
  puts 'The most commonly used kut commands are:'
  cmd_name_len = 10
  commands.each { |cmd|
    cmd_space = ' ' * (cmd_name_len - cmd.name.size)
    puts "#{' '*3}#{cmd.name}#{cmd_space}#{cmd.help_banner}"
  }
  exit
end