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node_modules/express/lib/router/layer.js

@@ -0,0 +1,181 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var pathRegexp = require('path-to-regexp');
+var debug = require('debug')('express:router:layer');
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = Layer;
+
+function Layer(path, options, fn) {
+  if (!(this instanceof Layer)) {
+    return new Layer(path, options, fn);
+  }
+
+  debug('new %o', path)
+  var opts = options || {};
+
+  this.handle = fn;
+  this.name = fn.name || '<anonymous>';
+  this.params = undefined;
+  this.path = undefined;
+  this.regexp = pathRegexp(path, this.keys = [], opts);
+
+  // set fast path flags
+  this.regexp.fast_star = path === '*'
+  this.regexp.fast_slash = path === '/' && opts.end === false
+}
+
+/**
+ * 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) {
+  var match
+
+  if (path != null) {
+    // fast path non-ending match for / (any path matches)
+    if (this.regexp.fast_slash) {
+      this.params = {}
+      this.path = ''
+      return true
+    }
+
+    // fast path for * (everything matched in a param)
+    if (this.regexp.fast_star) {
+      this.params = {'0': decode_param(path)}
+      this.path = path
+      return true
+    }
+
+    // match the path
+    match = this.regexp.exec(path)
+  }
+
+  if (!match) {
+    this.params = undefined;
+    this.path = undefined;
+    return false;
+  }
+
+  // store values
+  this.params = {};
+  this.path = match[0]
+
+  var keys = this.keys;
+  var params = this.params;
+
+  for (var i = 1; i < match.length; i++) {
+    var key = keys[i - 1];
+    var prop = key.name;
+    var val = decode_param(match[i])
+
+    if (val !== undefined || !(hasOwnProperty.call(params, prop))) {
+      params[prop] = val;
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Decode param value.
+ *
+ * @param {string} val
+ * @return {string}
+ * @private
+ */
+
+function decode_param(val) {
+  if (typeof val !== 'string' || val.length === 0) {
+    return val;
+  }
+
+  try {
+    return decodeURIComponent(val);
+  } catch (err) {
+    if (err instanceof URIError) {
+      err.message = 'Failed to decode param \'' + val + '\'';
+      err.status = err.statusCode = 400;
+    }
+
+    throw err;
+  }
+}

node_modules/express/lib/router/route.js

@@ -0,0 +1,225 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var debug = require('debug')('express:router:route');
+var flatten = require('array-flatten');
+var Layer = require('./layer');
+var methods = require('methods');
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var slice = Array.prototype.slice;
+var toString = Object.prototype.toString;
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = Route;
+
+/**
+ * Initialize `Route` with the given `path`,
+ *
+ * @param {String} path
+ * @public
+ */
+
+function Route(path) {
+  this.path = path;
+  this.stack = [];
+
+  debug('new %o', path)
+
+  // route handlers for various http methods
+  this.methods = {};
+}
+
+/**
+ * Determine if the route handles a given method.
+ * @private
+ */
+
+Route.prototype._handles_method = function _handles_method(method) {
+  if (this.methods._all) {
+    return true;
+  }
+
+  var name = method.toLowerCase();
+
+  if (name === 'head' && !this.methods['head']) {
+    name = 'get';
+  }
+
+  return Boolean(this.methods[name]);
+};
+
+/**
+ * @return {Array} supported HTTP methods
+ * @private
+ */
+
+Route.prototype._options = function _options() {
+  var methods = Object.keys(this.methods);
+
+  // append automatic head
+  if (this.methods.get && !this.methods.head) {
+    methods.push('head');
+  }
+
+  for (var i = 0; i < methods.length; i++) {
+    // make upper case
+    methods[i] = methods[i].toUpperCase();
+  }
+
+  return methods;
+};
+
+/**
+ * dispatch req, res into this route
+ * @private
+ */
+
+Route.prototype.dispatch = function dispatch(req, res, done) {
+  var idx = 0;
+  var stack = this.stack;
+  var sync = 0
+
+  if (stack.length === 0) {
+    return done();
+  }
+
+  var method = req.method.toLowerCase();
+  if (method === 'head' && !this.methods['head']) {
+    method = 'get';
+  }
+
+  req.route = this;
+
+  next();
+
+  function next(err) {
+    // signal to exit route
+    if (err && err === 'route') {
+      return done();
+    }
+
+    // signal to exit router
+    if (err && err === 'router') {
+      return done(err)
+    }
+
+    var layer = stack[idx++];
+    if (!layer) {
+      return done(err);
+    }
+
+    // max sync stack
+    if (++sync > 100) {
+      return setImmediate(next, err)
+    }
+
+    if (layer.method && layer.method !== method) {
+      return next(err);
+    }
+
+    if (err) {
+      layer.handle_error(err, req, res, next);
+    } else {
+      layer.handle_request(req, res, next);
+    }
+
+    sync = 0
+  }
+};
+
+/**
+ * Add a handler for all HTTP verbs to this route.
+ *
+ * Behaves just like middleware and can respond or call `next`
+ * to continue processing.
+ *
+ * You can use multiple `.all` call to add multiple handlers.
+ *
+ *   function check_something(req, res, next){
+ *     next();
+ *   };
+ *
+ *   function validate_user(req, res, next){
+ *     next();
+ *   };
+ *
+ *   route
+ *   .all(validate_user)
+ *   .all(check_something)
+ *   .get(function(req, res, next){
+ *     res.send('hello world');
+ *   });
+ *
+ * @param {function} handler
+ * @return {Route} for chaining
+ * @api public
+ */
+
+Route.prototype.all = function all() {
+  var handles = flatten(slice.call(arguments));
+
+  for (var i = 0; i < handles.length; i++) {
+    var handle = handles[i];
+
+    if (typeof handle !== 'function') {
+      var type = toString.call(handle);
+      var msg = 'Route.all() requires a callback function but got a ' + type
+      throw new TypeError(msg);
+    }
+
+    var layer = Layer('/', {}, handle);
+    layer.method = undefined;
+
+    this.methods._all = true;
+    this.stack.push(layer);
+  }
+
+  return this;
+};
+
+methods.forEach(function(method){
+  Route.prototype[method] = function(){
+    var handles = flatten(slice.call(arguments));
+
+    for (var i = 0; i < handles.length; i++) {
+      var handle = handles[i];
+
+      if (typeof handle !== 'function') {
+        var type = toString.call(handle);
+        var msg = 'Route.' + method + '() requires a callback function but got a ' + type
+        throw new Error(msg);
+      }
+
+      debug('%s %o', method, this.path)
+
+      var layer = Layer('/', {}, handle);
+      layer.method = method;
+
+      this.methods[method] = true;
+      this.stack.push(layer);
+    }
+
+    return this;
+  };
+});