metamaps--metamaps/realtime/node_modules/express/lib/router/route.js
2014-02-10 02:03:06 -05:00

78 lines
1.4 KiB
JavaScript

/**
* Module dependencies.
*/
var utils = require('../utils');
/**
* Expose `Route`.
*/
module.exports = Route;
/**
* Initialize `Route` with the given HTTP `method`, `path`,
* and an array of `callbacks` and `options`.
*
* Options:
*
* - `sensitive` enable case-sensitive routes
* - `strict` enable strict matching for trailing slashes
*
* @param {String} method
* @param {String} path
* @param {Array} callbacks
* @param {Object} options.
* @api private
*/
function Route(method, path, callbacks, options) {
options = options || {};
this.path = path;
this.method = method;
this.callbacks = callbacks;
this.regexp = utils.pathRegexp(path
, this.keys = []
, options.sensitive
, options.strict);
}
/**
* Check if this route matches `path`, if so
* populate `.params`.
*
* @param {String} path
* @return {Boolean}
* @api private
*/
Route.prototype.match = function(path){
var keys = this.keys
, params = this.params = []
, m = this.regexp.exec(path);
if (!m) return false;
for (var i = 1, len = m.length; i < len; ++i) {
var key = keys[i - 1];
try {
var val = 'string' == typeof m[i]
? decodeURIComponent(m[i])
: m[i];
} catch(e) {
var err = new Error("Failed to decode param '" + m[i] + "'");
err.status = 400;
throw err;
}
if (key) {
params[key.name] = val;
} else {
params.push(val);
}
}
return true;
};