/*

* class ActionStore
*
* This action just stores the argument’s value. This is the default action.
*
* This class inherited from [[Action]]
*
**/

'use strict';

var util = require('util');

var Action = require('../action');

// Constants var c = require('../const');

/*

* new ActionStore(options)
* - options (object): options hash see [[Action.new]]
*
**/

var ActionStore = module.exports = function ActionStore(options) {

options = options || {};
if (this.nargs <= 0) {
  throw new Error('nargs for store actions must be > 0; if you ' +
      'have nothing to store, actions such as store ' +
      'true or store const may be more appropriate');

}
if (typeof this.constant !== 'undefined' && this.nargs !== c.OPTIONAL) {
  throw new Error('nargs must be OPTIONAL to supply const');
}
Action.call(this, options);

}; util.inherits(ActionStore, Action);

/*

* ActionStore#call(parser, namespace, values, optionString) -> Void
* - parser (ArgumentParser): current parser
* - namespace (Namespace): namespace for output data
* - values (Array): parsed values
* - optionString (Array): input option string(not parsed)
*
* Call the action. Save result in namespace object
**/

ActionStore.prototype.call = function (parser, namespace, values) {

namespace.set(this.dest, values);

};