aboutsummaryrefslogtreecommitdiffstats
path: root/dgbuilder/dgeflows/node_modules/express/lib/router/layer.js
diff options
context:
space:
mode:
Diffstat (limited to 'dgbuilder/dgeflows/node_modules/express/lib/router/layer.js')
-rw-r--r--dgbuilder/dgeflows/node_modules/express/lib/router/layer.js166
1 files changed, 166 insertions, 0 deletions
diff --git a/dgbuilder/dgeflows/node_modules/express/lib/router/layer.js b/dgbuilder/dgeflows/node_modules/express/lib/router/layer.js
new file mode 100644
index 00000000..88ebd396
--- /dev/null
+++ b/dgbuilder/dgeflows/node_modules/express/lib/router/layer.js
@@ -0,0 +1,166 @@
+/**
+ * Module dependencies.
+ */
+
+var pathRegexp = require('path-to-regexp');
+var debug = require('debug')('express:router:layer');
+
+/**
+ * Module variables.
+ */
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+/**
+ * Expose `Layer`.
+ */
+
+module.exports = Layer;
+
+function Layer(path, options, fn) {
+ if (!(this instanceof Layer)) {
+ return new Layer(path, options, fn);
+ }
+
+ debug('new %s', path);
+ options = options || {};
+
+ this.handle = fn;
+ this.name = fn.name || '<anonymous>';
+ this.params = undefined;
+ this.path = undefined;
+ this.regexp = pathRegexp(path, this.keys = [], options);
+
+ if (path === '/' && options.end === false) {
+ this.regexp.fast_slash = true;
+ }
+}
+
+/**
+ * Handle the error for the layer.
+ *
+ * @param {Error} error
+ * @param {Request} req
+ * @param {Response} res
+ * @param {function} next
+ * @api private
+ */
+
+Layer.prototype.handle_error = function handle_error(error, req, res, next) {
+ var fn = this.handle;
+
+ if (fn.length !== 4) {
+ // not a standard error handler
+ return next(error);
+ }
+
+ try {
+ fn(error, req, res, next);
+ } catch (err) {
+ next(err);
+ }
+};
+
+/**
+ * Handle the request for the layer.
+ *
+ * @param {Request} req
+ * @param {Response} res
+ * @param {function} next
+ * @api private
+ */
+
+Layer.prototype.handle_request = function handle(req, res, next) {
+ var fn = this.handle;
+
+ if (fn.length > 3) {
+ // not a standard request handler
+ return next();
+ }
+
+ try {
+ fn(req, res, next);
+ } catch (err) {
+ next(err);
+ }
+};
+
+/**
+ * Check if this route matches `path`, if so
+ * populate `.params`.
+ *
+ * @param {String} path
+ * @return {Boolean}
+ * @api private
+ */
+
+Layer.prototype.match = function match(path) {
+ if (path == null) {
+ // no path, nothing matches
+ this.params = undefined;
+ this.path = undefined;
+ return false;
+ }
+
+ if (this.regexp.fast_slash) {
+ // fast path non-ending match for / (everything matches)
+ this.params = {};
+ this.path = '';
+ return true;
+ }
+
+ var m = this.regexp.exec(path);
+
+ if (!m) {
+ this.params = undefined;
+ this.path = undefined;
+ return false;
+ }
+
+ // store values
+ this.params = {};
+ this.path = m[0];
+
+ var keys = this.keys;
+ var params = this.params;
+ var prop;
+ var n = 0;
+ var key;
+ var val;
+
+ for (var i = 1, len = m.length; i < len; ++i) {
+ key = keys[i - 1];
+ prop = key
+ ? key.name
+ : n++;
+ val = decode_param(m[i]);
+
+ if (val !== undefined || !(hasOwnProperty.call(params, prop))) {
+ params[prop] = val;
+ }
+ }
+
+ return true;
+};
+
+/**
+ * Decode param value.
+ *
+ * @param {string} val
+ * @return {string}
+ * @api private
+ */
+
+function decode_param(val){
+ if (typeof val !== 'string') {
+ return val;
+ }
+
+ try {
+ return decodeURIComponent(val);
+ } catch (e) {
+ var err = new TypeError("Failed to decode param '" + val + "'");
+ err.status = 400;
+ throw err;
+ }
+}