Added "case sensitive routes" option.

docs/guide.md

@@ -83,6 +83,7 @@ Express supports the following settings out of the box:
   * _view engine_ Default view engine name for views rendered without extensions
   * _view options_ An object specifying global view options
   * _view cache_ Enable view caching (enabled in production)
+  * _case sensitive routes_ Enable case-sensitive routing
 
 ### Routing
 

lib/http.js

@@ -87,7 +87,7 @@ app.init = function(middleware){
   if (middleware) middleware.forEach(self.use.bind(self));
 
   // use router, expose as app.get(), etc
-  var fn = router(function(app){ self.routes = app; });
+  var fn = router(function(app){ self.routes = app; }, this);
   this.__defineGetter__('router', function(){
     this.__usedRouter = true;
     return fn;

lib/router/index.js

@@ -34,7 +34,7 @@ exports.methods = _methods;
  * @api private
  */
 
-function router(fn){
+function router(fn, app){
   var self = this
     , methods = {}
     , routes = {}
@@ -84,7 +84,8 @@ function router(fn){
       if (!path) throw new Error(name + ' route requires a path');
       if (!fn) throw new Error(name + ' route ' + path + ' requires a callback');
 
-      var route = new Route(name, path, fn);
+      var options = { sensitive: app.enabled('case sensitive routes') };
+      var route = new Route(name, path, fn, options);
       localRoutes.push(route);
       return self;
     };

lib/router/route.js

@@ -13,18 +13,24 @@ module.exports = Route;
 
 /**
  * Initialize `Route` with the given HTTP `method`, `path`,
- * and callback `fn`.
+ * and callback `fn` and `options`.
+ *
+ * Options:
+ *
+ *   - `sensitive`   enable case-sensitive routes
  *
  * @param {String} method
  * @param {String} path
  * @param {Function} fn
+ * @param {Object} options.
  * @api private
  */
 
-function Route(method, path, fn) {
+function Route(method, path, fn, options) {
+  options = options || {};
   this.callback = fn;
   this.path = path;
-  this.regexp = normalize(path, this.keys = []);
+  this.regexp = normalize(path, this.keys = [], options.sensitive);
   this.method = method;
 }
 
@@ -39,11 +45,12 @@ function Route(method, path, fn) {
  *
  * @param  {String|RegExp} path
  * @param  {Array} keys
+ * @param  {Boolean} sensitive
  * @return {RegExp}
  * @api private
  */
 
-function normalize(path, keys) {
+function normalize(path, keys, sensitive) {
   if (path instanceof RegExp) return path; 
   path = path
     .concat('/?')
@@ -60,5 +67,5 @@ function normalize(path, keys) {
     })
     .replace(/([\/.])/g, '\\$1')
     .replace(/\*/g, '(.+)');
-  return new RegExp('^' + path + '$', 'i');
+  return new RegExp('^' + path + '$', sensitive ? '' : 'i');
 }

test/router.test.js

@@ -241,5 +241,27 @@ module.exports = {
     app.match.get('/').should.have.be.empty;
     app.match.all('/user/123').should.have.length(3);
     app.match('/user/123').should.have.length(3);
+  },
+
+  'test "case sensitive routes" setting': function(){
+    var app = express.createServer();
+
+    app.enable('case sensitive routes');
+
+    app.get('/account', function(req, res){
+      res.send('account');
+    });
+
+    app.get('/Account', function(req, res){
+      res.send('Account');
+    });
+
+    assert.response(app,
+      { url: '/account' },
+      { body: 'account' });
+
+    assert.response(app,
+      { url: '/Account' },
+      { body: 'Account' });
   }
 };