Class: Scl::Control::ControllerModule

Inherits:
Object
  • Object
show all
Defined in:
lib/scl/control/controller_module.rb

Direct Known Subclasses

AES, DH, Digest, RSA, SSS

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(controller) ⇒ ControllerModule

Returns a new instance of ControllerModule.



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# File 'lib/scl/control/controller_module.rb', line 5

def initialize(controller)
  @controller = controller
end

Instance Attribute Details

#controller ⇒ Object (readonly)

Returns the value of attribute controller.



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# File 'lib/scl/control/controller_module.rb', line 4

def controller
  @controller
end

Class Method Details

.help(message, method) ⇒ Object 



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# File 'lib/scl/control/controller_module.rb', line 29

def self.help(message, method)
  @@help ||= {}
  @@help[self.name] ||= {}
  @@help[self.name][method.to_s] = message
end

.print_help(args, method, own_methods = []) ⇒ Object 



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# File 'lib/scl/control/controller_module.rb', line 35

def self.print_help(args, method, own_methods=[])
  module_name = self.name.split('::').last.downcase
  puts "======="
  if method && @@help[self.name] && @@help[self.name][method]
    puts "Usage: scl #{module_name} #{method} (options)\n"
    puts
    puts @@help[self.name][method].split("\n").map{|line| line.gsub(/^\s{6}/,'')}.join("\n")
    puts
  else
    puts "No help docs found for \"#{method}\"\n=======\n" if method
    puts "Usage: scl #{module_name} [command] (options)"
    puts
    puts "Supported commands are [#{own_methods.join(' ')}]"
    puts
    puts "Try scl #{module_name} [command] -h for more info"
    puts
    puts args.opts.to_s[/Where options.*/m]
  end
  exit(0)
end

Instance Method Details

#action(action_name, args) ⇒ Object 



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# File 'lib/scl/control/controller_module.rb', line 56

def action(action_name, args)
  args = args.dup
  ARGV.clear
  if @controller.args.help || !action_name
    self.class.print_help(@controller.args, action_name, self.public_methods.select{|m| self.method(m).owner == self.class })
    exit(0)
  end
  if self.respond_to?(action_name)
    begin
      action = self.method(action_name)
      required_args = action.arity >= 0 ? action.arity : -(action.arity + 1)
      unless required_args <= args.length
        raise ControlError.new("#{action_name} expected at least #{required_args} arguments\nE.g.\n#{action_name} #{action.parameters.map(&:last).map{|x| "[#{x}]"}[-required_args..-1].join(' ')} (options)")
      end
      self.send(action_name, *args)
    rescue ArgumentError => e
      puts e.message
      puts "#{action_name} expects #{required_args} arguments by default\nE.g.\n#{action_name} #{action.parameters.map(&:last).map{|x| "[#{x}]"}[-required_args..-1].join(' ')}"
      self.class.print_help(@controller.args, action_name)
      puts e.backtrace if @controller.verbose?
    rescue ControlError => e
      puts e.message
      puts e.cause
      puts e.cause.backtrace if @controller.verbose?
      self.class.print_help(@controller.args, action_name)
    end
  else
    own_methods = self.public_methods.select{|m| self.method(m).owner == self.class }
    puts "Command not supported: \"#{action_name}\""
    puts "Supported commands are [#{own_methods.join(' ')}]"
    exit(1)
  end
end

#args ⇒ Object 



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# File 'lib/scl/control/controller_module.rb', line 9

def args
  @controller.args
end

#help? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/scl/control/controller_module.rb', line 25

def help?
  args.help
end

#input_decoder ⇒ Object 



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# File 'lib/scl/control/controller_module.rb', line 13

def input_decoder
  @controller.input_decoder
end

#key_coder ⇒ Object 



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# File 'lib/scl/control/controller_module.rb', line 21

def key_coder
  @controller.key_coder
end

#output_encoder ⇒ Object 



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# File 'lib/scl/control/controller_module.rb', line 17

def output_encoder
  @controller.output_encoder
end