From 3eb5c526b190c370ac287d117ef2ac71d7c79567 Mon Sep 17 00:00:00 2001
From: Charles Lowell <cowboyd@thefrontside.net>
Date: Thu, 22 Oct 2009 23:27:41 -0500
Subject: [PATCH] access javascript objects from ruby

---
 ruby_data.h               |  5 ++--
 spec/therubyracer_spec.rb |  6 ++---
 v8.cpp                    |  4 ++++
 v8_data.h                 |  3 ++-
 v8_object.cpp             | 49 +++++++++++++++++++++++++++++++++++++++
 v8_object.h               | 27 +++++++++++++++++++++
 6 files changed, 88 insertions(+), 6 deletions(-)
 create mode 100644 v8_object.cpp
 create mode 100644 v8_object.h

diff --git a/ruby_data.h b/ruby_data.h
index f00239c..2d6e29f 100644
--- a/ruby_data.h
+++ b/ruby_data.h
@@ -3,6 +3,7 @@
 
 #include <ruby.h>
 #include <v8.h>
+#include <v8_object.h>
 #include <stdio.h>
 #include <string>
 
@@ -89,8 +90,8 @@ class RubyDest {
         return Qnil;
     }
     
-    VALUE pushObject(v8::Handle<v8::Value>& value, const char* name = 0) {
-      return Qnil;
+    VALUE pushObject(v8::Handle<v8::Object>& value, const char* name = 0) {
+      return Data_Wrap_Struct(rb_cV8_JSObject, v8_object_mark, v8_object_free, new v8_object(value));
     }
 };
 
diff --git a/spec/therubyracer_spec.rb b/spec/therubyracer_spec.rb
index ce44129..018523d 100644
--- a/spec/therubyracer_spec.rb
+++ b/spec/therubyracer_spec.rb
@@ -48,10 +48,10 @@ describe "The Ruby Racer" do
         object['foo'].should == 'bar'
         object['baz'].should == 'bang'
       end
-    end
-        
+    end        
+                
   end
-  
+    
   def eval(str)
     @cxt.eval(str)
   end
diff --git a/v8.cpp b/v8.cpp
index bb3b02b..afe1748 100644
--- a/v8.cpp
+++ b/v8.cpp
@@ -38,6 +38,10 @@ extern "C" {
         rb_cV8 = rb_define_class_under(rb_mModule, "Context", rb_cObject);
         rb_define_alloc_func(rb_cV8, v8_allocate);
         rb_define_method(rb_cV8, "eval", (VALUE(*)(...)) eval, 1);
+        
+        rb_cV8_JSObject = rb_define_class_under(rb_mModule, "JSObject", rb_cObject);
+        rb_define_alloc_func(rb_cV8_JSObject, v8_object_allocate);
+        rb_define_method(rb_cV8_JSObject, "[]", (VALUE(*)(...)) v8_object_hash_access, 1);
     }
 }
 
diff --git a/v8_data.h b/v8_data.h
index 096331e..ffc7985 100644
--- a/v8_data.h
+++ b/v8_data.h
@@ -56,7 +56,8 @@ template<class T, class R> class V8HandleSource {
     }
     
     if (value->IsObject()) {
-      return dest.pushObject(value, name);
+      v8::Local<v8::Object> object(v8::Object::Cast(*value));
+      return dest.pushObject(object, name);
     }
     
     return dest.pushNull(name);
diff --git a/v8_object.cpp b/v8_object.cpp
new file mode 100644
index 0000000..bc7ce65
--- /dev/null
+++ b/v8_object.cpp
@@ -0,0 +1,49 @@
+#include <v8_object.h>
+#include <ruby_data.h>
+#include <v8_data.h>
+#include <generic_data.h>
+
+VALUE rb_cV8_JSObject;
+
+using namespace v8;
+
+v8_object::v8_object() : handle(Persistent<Object>(*Object::New())) {
+  dispose = false;
+}
+v8_object::v8_object(Handle<Object>& object) : handle(Persistent<Object>(*object)) {
+  dispose = true;
+}
+v8_object::~v8_object() {
+  if (dispose) {
+    handle.Dispose();
+  }
+  
+}
+
+VALUE v8_object_hash_access(VALUE self, VALUE key) {
+  v8_object* object = 0;
+  Data_Get_Struct(self, struct v8_object, object);
+  
+  RubyValueSource<StringDest, std::string> tostring;
+  const std::string cppkey(tostring.push(key));
+  
+  HandleScope scope;
+  Handle<Value> result = object->handle->Get(String::New(cppkey.c_str()));
+  
+  V8HandleSource<RubyDest, VALUE> toValue;
+  return toValue.push(result);
+}
+  
+VALUE v8_object_allocate(VALUE clazz) {
+  v8_object *wrapper = new v8_object;
+  return Data_Wrap_Struct(clazz, v8_object_mark, v8_object_free, wrapper);
+}
+
+void v8_object_mark(v8_object *o) {
+  
+}
+void v8_object_free(v8_object *o) {
+  delete o;
+}
+
+
diff --git a/v8_object.h b/v8_object.h
new file mode 100644
index 0000000..baf9579
--- /dev/null
+++ b/v8_object.h
@@ -0,0 +1,27 @@
+#ifndef __RUBY_V8_OBJECT__
+#define __RUBY_V8_OBJECT__
+
+#include <ruby.h>
+#include <v8.h>
+
+extern VALUE rb_cV8_JSObject;
+
+typedef struct v8_object {
+  v8_object();
+  v8_object(v8::Handle<v8::Object>& object);
+  ~v8_object();
+  
+  v8::Persistent<v8::Object> handle;
+  bool dispose;
+} v8_object;
+
+
+VALUE v8_object_hash_access(VALUE self, VALUE key);
+
+//memory management
+VALUE v8_object_allocate(VALUE clazz);
+void v8_object_mark(v8_object *object);
+void v8_object_free(v8_object *object);
+
+
+#endif
\ No newline at end of file