44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
/*:nodoc:*
|
|
* class ActionStoreConstant
|
|
*
|
|
* This action stores the value specified by the const keyword argument.
|
|
* (Note that the const keyword argument defaults to the rather unhelpful null.)
|
|
* The 'store_const' action is most commonly used with optional
|
|
* arguments that specify some sort of flag.
|
|
*
|
|
* This class inherited from [[Action]]
|
|
**/
|
|
'use strict';
|
|
|
|
var util = require('util');
|
|
|
|
var Action = require('../../action');
|
|
|
|
/*:nodoc:*
|
|
* new ActionStoreConstant(options)
|
|
* - options (object): options hash see [[Action.new]]
|
|
*
|
|
**/
|
|
var ActionStoreConstant = module.exports = function ActionStoreConstant(options) {
|
|
options = options || {};
|
|
options.nargs = 0;
|
|
if (typeof options.constant === 'undefined') {
|
|
throw new Error('constant option is required for storeAction');
|
|
}
|
|
Action.call(this, options);
|
|
};
|
|
util.inherits(ActionStoreConstant, Action);
|
|
|
|
/*:nodoc:*
|
|
* ActionStoreConstant#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
|
|
**/
|
|
ActionStoreConstant.prototype.call = function (parser, namespace) {
|
|
namespace.set(this.dest, this.constant);
|
|
};
|