| /** |
| * class Namespace |
| * |
| * Simple object for storing attributes. Implements equality by attribute names |
| * and values, and provides a simple string representation. |
| * |
| * See also [original guide][1] |
| * |
| * [1]:http://docs.python.org/dev/library/argparse.html#the-namespace-object |
| **/ |
| 'use strict'; |
| |
| var $$ = require('./utils'); |
| |
| /** |
| * new Namespace(options) |
| * - options(object): predefined propertis for result object |
| * |
| **/ |
| var Namespace = module.exports = function Namespace(options) { |
| $$.extend(this, options); |
| }; |
| |
| /** |
| * Namespace#isset(key) -> Boolean |
| * - key (string|number): property name |
| * |
| * Tells whenever `namespace` contains given `key` or not. |
| **/ |
| Namespace.prototype.isset = function (key) { |
| return $$.has(this, key); |
| }; |
| |
| /** |
| * Namespace#set(key, value) -> self |
| * -key (string|number|object): propery name |
| * -value (mixed): new property value |
| * |
| * Set the property named key with value. |
| * If key object then set all key properties to namespace object |
| **/ |
| Namespace.prototype.set = function (key, value) { |
| if (typeof (key) === 'object') { |
| $$.extend(this, key); |
| } else { |
| this[key] = value; |
| } |
| return this; |
| }; |
| |
| /** |
| * Namespace#get(key, defaultValue) -> mixed |
| * - key (string|number): property name |
| * - defaultValue (mixed): default value |
| * |
| * Return the property key or defaulValue if not set |
| **/ |
| Namespace.prototype.get = function (key, defaultValue) { |
| return !this[key] ? defaultValue : this[key]; |
| }; |
| |
| /** |
| * Namespace#unset(key, defaultValue) -> mixed |
| * - key (string|number): property name |
| * - defaultValue (mixed): default value |
| * |
| * Return data[key](and delete it) or defaultValue |
| **/ |
| Namespace.prototype.unset = function (key, defaultValue) { |
| var value = this[key]; |
| if (value !== null) { |
| delete this[key]; |
| return value; |
| } |
| return defaultValue; |
| }; |