count.js•1.04 kB
/*:nodoc:*
* class ActionCount
*
* This counts the number of times a keyword argument occurs.
* For example, this is useful for increasing verbosity levels
*
* This class inherided from [[Action]]
*
**/
'use strict';
var util = require('util');
var Action = require('../action');
/*:nodoc:*
* new ActionCount(options)
* - options (object): options hash see [[Action.new]]
*
**/
var ActionCount = module.exports = function ActionCount(options) {
options = options || {};
options.nargs = 0;
Action.call(this, options);
};
util.inherits(ActionCount, Action);
/*:nodoc:*
* ActionCount#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
**/
ActionCount.prototype.call = function (parser, namespace) {
namespace.set(this.dest, (namespace[this.dest] || 0) + 1);
};