/*!
 * Express - router - Collection
 * Copyright(c) 2010 TJ Holowaychuk <tj@vision-media.ca>
 * MIT Licensed
 */

/**
 * Expose `Collection`.
 */

module.exports = Collection;

/**
 * Initialize a new route `Collection`
 * with the given `router`.
 *
 * @param {Router} router
 * @api private
 */

function Collection( router ) {
	Array.apply( this, arguments );
	this.router = router;
}

/**
 * Inherit from `Array.prototype`.
 */

Collection.prototype.__proto__ = Array.prototype;

/**
 * Remove the routes in this collection.
 *
 * @return {Collection} of routes removed
 * @api public
 */

Collection.prototype.remove = function () {
	var router = this.router
		, len = this.length
		, ret = new Collection( this.router );

	for ( var i = 0; i < len; ++i ) {
		if ( router.remove( this[i] ) ) {
			ret.push( this[i] );
		}
	}

	return ret;
};