Implemented the attach addon

addons/attach/attach.js

@@ -0,0 +1,23 @@
+/*
+ * Implements the attach method, that
+ * attaches the terminal to a WebSocket stream.
+ * 
+ * The bidirectional argument indicates, whether the terminal should
+ * send data to the socket as well and is true, by default.
+ */
+Terminal.prototype.attach = function (socket, bidirectional) {
+  var term = this;
+  
+  bidirectional = (typeof bidirectional == 'undefined') ? true : bidirectional;
+  this.socket = socket;
+  
+  socket.addEventListener('message', function (ev) {
+    term.write(ev.data);
+  });
+  
+  if (bidirectional) {
+    this.on('data', function (data) {
+      socket.send(data);
+    });
+  }
+}