From 5aadeae88893fc1d6e417c75e67169749a97f16c Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Mon, 28 Jun 2010 21:09:44 -0700
Subject: [PATCH] Simply C++ event emitter

---
 src/node_events.cc | 43 ++++++-------------------------------------
 src/node_events.h  |  2 --
 2 files changed, 6 insertions(+), 39 deletions(-)

diff --git a/src/node_events.cc b/src/node_events.cc
index c43225a..e95fe71 100644
--- a/src/node_events.cc
+++ b/src/node_events.cc
@@ -28,9 +28,6 @@ void EventEmitter::Initialize(Local<FunctionTemplate> ctemplate) {
 
   constructor_template = Persistent<FunctionTemplate>::New(ctemplate);
 
-  Local<FunctionTemplate> __emit = FunctionTemplate::New(Emit);
-  constructor_template->PrototypeTemplate()->Set(String::NewSymbol("emit"),
-      __emit);
   constructor_template->SetClassName(String::NewSymbol("EventEmitter"));
 
   events_symbol = NODE_PSYMBOL("_events");
@@ -38,13 +35,12 @@ void EventEmitter::Initialize(Local<FunctionTemplate> ctemplate) {
   // All other prototype methods are defined in events.js
 }
 
-static bool ReallyEmit(Handle<Object> self,
-                       Handle<String> event,
-                       int argc,
-                       Handle<Value> argv[]) {
+
+bool EventEmitter::Emit(Handle<String> event, int argc, Handle<Value> argv[]) {
+  HandleScope scope;
   // HandleScope not needed here because only called from one of the two
   // functions below
-  Local<Value> events_v = self->Get(events_symbol);
+  Local<Value> events_v = handle_->Get(events_symbol);
   if (!events_v->IsObject()) return false;
   Local<Object> events = events_v->ToObject();
 
@@ -56,7 +52,7 @@ static bool ReallyEmit(Handle<Object> self,
     // Optimized one-listener case
     Local<Function> listener = Local<Function>::Cast(listeners_v);
 
-    listener->Call(self, argc, argv);
+    listener->Call(handle_, argc, argv);
 
     if (try_catch.HasCaught()) {
       FatalException(try_catch);
@@ -71,7 +67,7 @@ static bool ReallyEmit(Handle<Object> self,
       if (!listener_v->IsFunction()) continue;
       Local<Function> listener = Local<Function>::Cast(listener_v);
 
-      listener->Call(self, argc, argv);
+      listener->Call(handle_, argc, argv);
 
       if (try_catch.HasCaught()) {
         FatalException(try_catch);
@@ -86,31 +82,4 @@ static bool ReallyEmit(Handle<Object> self,
   return true;
 }
 
-Handle<Value> EventEmitter::Emit(const Arguments& args) {
-  HandleScope scope;
-
-  if (args.Length() == 0) {
-    return ThrowException(Exception::TypeError(
-          String::New("Must give event name.")));
-  }
-
-  Local<String> event = args[0]->ToString();
-
-  int argc = args.Length() - 1;
-  Local<Value> argv[argc];
-
-  for (int i = 0; i < argc; i++) {
-    argv[i] = args[i+1];
-  }
-
-  bool r = ReallyEmit(args.Holder(), event, argc, argv);
-
-  return scope.Close(r ? True() : False());
-}
-
-bool EventEmitter::Emit(Handle<String> event, int argc, Handle<Value> argv[]) {
-  HandleScope scope;
-  return ReallyEmit(handle_, event, argc, argv);
-}
-
 }  // namespace node
diff --git a/src/node_events.h b/src/node_events.h
index 2cfcaf0..cb4391a 100644
--- a/src/node_events.h
+++ b/src/node_events.h
@@ -17,8 +17,6 @@ class EventEmitter : public ObjectWrap {
             v8::Handle<v8::Value> argv[]);
 
  protected:
-  static v8::Handle<v8::Value> Emit(const v8::Arguments& args);
-
   EventEmitter() : ObjectWrap () { }
 };
 
-- 
2.7.4