added support for router.use

src/router.coffee

@@ -48,6 +48,21 @@ class Router
         if err?.status then status = err.status
         res.writeHead(status)
         res.end()
+
+    # support usePath
+    req.usePath = req.originalUrl
+      .substr(0, req.originalUrl.length
+        - req.url.length)
+
+    # support an extended res.send
+    #res.send = (code, headers, data) ->
+    #  args = send.arguments(code, headers, data)
+    #  res.writeHead(args.code, args.headers)
+    #  if (null != args.data)
+    #    res.write(args.data)
+    #  @end()
+
+
     urlObj = url.parse(req.url)
     p = normalizePathname(urlObj.pathname)
     req.path = p
@@ -197,4 +212,15 @@ module.exports = (parsers) ->
       for method in ['GET', 'POST', 'PUT', 'DELETE', 'PATCH']
         r.register('all', method, pattern, handlers...)
       return handlers
+    use: (usepath, handlers...) ->
+      if (!handlers.length) 
+        handlers = [usepath]
+        usepath = '/'
+      if (usepath.slice(-1) != '/')
+        usepath += '/'
+      handlers.unshift (req, res, next) ->
+        req.url = '/' + req.params.__path
+        next()
+      @all("#{usepath}<path:__path>", handlers...)
+      return handlers
   }

test/router.coffee

@@ -585,3 +585,33 @@ describe 'RegExp rule', ->
       .get('/REGEXPATH/56')
       .expect(404, done)
 
+describe 'res.end(data)', ->
+  router = createRouter()
+  app = connect()
+  app.use(router.route)
+  router.get '/', (req, res) ->
+    res.end('data')
+  it 'should write the data', (done) ->
+    app.request()
+      .get('/')
+      .end (res) ->
+        res.body.should.eql('data')
+        done()
+
+
+describe 'router.use', ->
+  router = createRouter()
+  app = connect()
+  app.use(router.route)
+
+  router.use '/test', (req, res) ->
+    res.end(req.url)
+
+  it 'should modify the url', (done) ->
+    app.request()
+      .get('/test/url')
+      .end (res) ->
+        res.body.should.eql('/url')
+        done()
+
+