Module: Cardigan::Context

Included in:
EntryContext, RootContext, WorkflowContext
Defined in:
lib/cardigan/context.rb

Instance Method Summary collapse

Instance Method Details

#command(name, *args) ⇒ Object 



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# File 'lib/cardigan/context.rb', line 10

def command name, *args
  require "cardigan/command/#{name}"
  Command.const_get(name.to_s.camelize).new(*args)
end

#process_command(name, parameter = nil) ⇒ Object 



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# File 'lib/cardigan/context.rb', line 47

def process_command name, parameter=nil
  m = "#{name}_command".to_sym
  if respond_to?(m)
    send(m, parameter)
    return
  end 
  if @commands[name]
    @commands[name].execute parameter
  else
    @io.say 'unknown command'
  end
end

#push ⇒ Object 



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# File 'lib/cardigan/context.rb', line 23

def push
  refresh
  begin
    while line = Readline.readline(@prompt_text, true)
      line.strip!
      case line
        when 'quit','exit'
          return
        when /(\w+) (.*)/
          process_command $1, $2
        when /(\w+)/
          process_command $1
        else
          puts 'unknown command'
      end
      puts
      refresh
    end
  rescue Interrupt => e
    return
  end
  puts
end

#refresh ⇒ Object 



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# File 'lib/cardigan/context.rb', line 15

def refresh
  commands = respond_to?(:refresh_commands) ? refresh_commands : []
  Readline.completion_proc = lambda do |text|
    (commands + @commands.keys + ['quit', 'exit']).grep( /^#{Regexp.escape(text)}/ ).sort
  end
  Readline.completer_word_break_characters = ''
end