--- a/package.json
+++ b/package.json
@@ -14,9 +14,6 @@
     "type": "git",
     "url": "git://github.com/hanshuebner/node-hid.git"
   },
-  "scripts": {
-    "prepublish": "git submodule update --init"
-  },
   "main": "./index.js",
   "engines": {
     "node": ">=0.8.0"
--- a/src/wscript
+++ b/src/wscript
@@ -3,10 +3,8 @@
 import sys;
 import os;
 
-hidapi_home='../hidapi'
 
 cflags=["-g", "-D_FILE_OFFSET_BITS=64", "-D_LARGEFILE_SOURCE", "-Wall", "-fPIC" ]
-includes=[ hidapi_home + "/hidapi" ]
 
 def set_options(opt):
   opt.tool_options("compiler_cxx")
@@ -16,24 +14,10 @@
   conf.check_tool("compiler_cxx")
   conf.check_tool("node_addon")
   conf.check_tool("compiler_cc")
-  if sys.platform == 'darwin':
-    conf.env.append_value('LINKFLAGS', ['Release/libhidapi.a', '-framework', 'IOKit', '-framework', 'CoreFoundation'])
-  else:
-    conf.env.append_value('LINKFLAGS', ['Release/libhidapi.a', '-ludev' ])
-  
-def build(bld):
-    bld.add_group("hidapi")
-    hidapi = bld.new_task_gen("cc", "staticlib")
-    hidapi.includes = includes
-    hidapi.cflags = cflags
-    if sys.platform == 'darwin':
-      hidapi.source = "../hidapi/mac/hid.c"
-    else:
-      hidapi.source = "../hidapi/linux/hid.c"
-    hidapi.target = "hidapi"
 
+def build(bld):
     bld.add_group("adapter")
-    adapter = bld.new_task_gen("cxx", "shlib", "node_addon", use = ['hidapi'])
+    adapter = bld.new_task_gen("cxx", "shlib", "node_addon")
     adapter.includes = includes
     adapter.cxxflags = cflags
     adapter.target = "HID"
--- a/binding.gyp
+++ b/binding.gyp
@@ -4,61 +4,8 @@
   },
   'targets': [
     {
-      'target_name': 'hidapi',
-      'type': 'static_library',
-      'conditions': [
-        [ 'OS=="mac"', {
-          'sources': [ 'hidapi/mac/hid.c' ],
-          'include_dirs+': [
-            '/usr/include/libusb-1.0/'
-          ]
-        }],
-        [ 'OS=="linux"', {
-          'conditions': [
-            [ 'driver=="libusb"', {
-              'sources': [ 'hidapi/libusb/hid.c' ],
-              'include_dirs+': [
-                '/usr/include/libusb-1.0/'
-              ]
-            }],
-            [ 'driver=="hidraw"', {
-              'sources': [ 'hidapi/linux/hid.c' ]
-            }]
-          ]
-        }],
-        [ 'OS=="win"', {
-          'sources': [ 'hidapi/windows/hid.c' ],
-          'msvs_settings': {
-            'VCLinkerTool': {
-              'AdditionalDependencies': [
-                'setupapi.lib',
-              ]
-            }
-          }
-        }]
-      ],
-      'direct_dependent_settings': {
-        'include_dirs': [
-          'hidapi/hidapi',
-          "<!(node -e \"require('nan')\")"
-        ]
-      },
-      'include_dirs': [
-        'hidapi/hidapi'
-      ],
-      'defines': [
-        '_LARGEFILE_SOURCE',
-        '_FILE_OFFSET_BITS=64',
-      ],
-      'cflags': ['-g'],
-      'cflags!': [
-        '-ansi'
-      ]
-    },
-    {
       'target_name': 'HID',
       'sources': [ 'src/HID.cc' ],
-      'dependencies': ['hidapi'],
       'defines': [
         '_LARGEFILE_SOURCE',
         '_FILE_OFFSET_BITS=64',
@@ -108,4 +55,4 @@
       'cflags_cc': ['-g', '-exceptions']
     }
   ]
-}
\ No newline at end of file
+}
--- /dev/null
+++ b/src/nan.h
@@ -0,0 +1,2331 @@
+/**********************************************************************************
+ * NAN - Native Abstractions for Node.js
+ *
+ * Copyright (c) 2014 NAN contributors:
+ *   - Rod Vagg <https://github.com/rvagg>
+ *   - Benjamin Byholm <https://github.com/kkoopa>
+ *   - Trevor Norris <https://github.com/trevnorris>
+ *   - Nathan Rajlich <https://github.com/TooTallNate>
+ *   - Brett Lawson <https://github.com/brett19>
+ *   - Ben Noordhuis <https://github.com/bnoordhuis>
+ *
+ * MIT +no-false-attribs License <https://github.com/rvagg/nan/blob/master/LICENSE>
+ *
+ * Version 1.3.0: current Node unstable: 0.11.13, Node stable: 0.10.30
+ *
+ * See https://github.com/rvagg/nan for the latest update to this file
+ **********************************************************************************/
+
+#ifndef NAN_H_
+#define NAN_H_
+
+#include <uv.h>
+#include <node.h>
+#include <node_buffer.h>
+#include <node_version.h>
+#include <node_object_wrap.h>
+#include <string.h>
+#include <limits.h>
+#include <string>
+
+#if defined(__GNUC__) && !defined(DEBUG)
+# define NAN_INLINE inline __attribute__((always_inline))
+#elif defined(_MSC_VER) && !defined(DEBUG)
+# define NAN_INLINE __forceinline
+#else
+# define NAN_INLINE inline
+#endif
+
+#if defined(__GNUC__) && !V8_DISABLE_DEPRECATIONS
+# define NAN_DEPRECATED __attribute__((deprecated))
+#elif defined(_MSC_VER) && !V8_DISABLE_DEPRECATIONS
+# define NAN_DEPRECATED __declspec(deprecated)
+#else
+# define NAN_DEPRECATED
+#endif
+
+// some generic helpers
+
+template<typename T> NAN_INLINE bool NanSetPointerSafe(
+    T *var
+  , T val
+) {
+  if (var) {
+    *var = val;
+    return true;
+  } else {
+    return false;
+  }
+}
+
+template<typename T> NAN_INLINE T NanGetPointerSafe(
+    T *var
+  , T fallback = reinterpret_cast<T>(0)
+) {
+  if (var) {
+    return *var;
+  } else {
+    return fallback;
+  }
+}
+
+NAN_INLINE bool NanBooleanOptionValue(
+    v8::Local<v8::Object> optionsObj
+  , v8::Handle<v8::String> opt, bool def
+) {
+  if (def) {
+    return optionsObj.IsEmpty()
+      || !optionsObj->Has(opt)
+      || optionsObj->Get(opt)->BooleanValue();
+  } else {
+    return !optionsObj.IsEmpty()
+      && optionsObj->Has(opt)
+      && optionsObj->Get(opt)->BooleanValue();
+  }
+}
+
+NAN_INLINE bool NanBooleanOptionValue(
+    v8::Local<v8::Object> optionsObj
+  , v8::Handle<v8::String> opt
+) {
+  return NanBooleanOptionValue(optionsObj, opt, false);
+}
+
+NAN_INLINE uint32_t NanUInt32OptionValue(
+    v8::Local<v8::Object> optionsObj
+  , v8::Handle<v8::String> opt
+  , uint32_t def
+) {
+  return !optionsObj.IsEmpty()
+    && optionsObj->Has(opt)
+    && optionsObj->Get(opt)->IsNumber()
+      ? optionsObj->Get(opt)->Uint32Value()
+      : def;
+}
+
+#if (NODE_MODULE_VERSION > 0x000B)
+// Node 0.11+ (0.11.3 and below won't compile with these)
+
+# define _NAN_METHOD_ARGS_TYPE const v8::FunctionCallbackInfo<v8::Value>&
+# define _NAN_METHOD_ARGS _NAN_METHOD_ARGS_TYPE args
+# define _NAN_METHOD_RETURN_TYPE void
+
+# define _NAN_GETTER_ARGS_TYPE const v8::PropertyCallbackInfo<v8::Value>&
+# define _NAN_GETTER_ARGS _NAN_GETTER_ARGS_TYPE args
+# define _NAN_GETTER_RETURN_TYPE void
+
+# define _NAN_SETTER_ARGS_TYPE const v8::PropertyCallbackInfo<void>&
+# define _NAN_SETTER_ARGS _NAN_SETTER_ARGS_TYPE args
+# define _NAN_SETTER_RETURN_TYPE void
+
+# define _NAN_PROPERTY_GETTER_ARGS_TYPE                                        \
+    const v8::PropertyCallbackInfo<v8::Value>&
+# define _NAN_PROPERTY_GETTER_ARGS _NAN_PROPERTY_GETTER_ARGS_TYPE args
+# define _NAN_PROPERTY_GETTER_RETURN_TYPE void
+
+# define _NAN_PROPERTY_SETTER_ARGS_TYPE                                        \
+    const v8::PropertyCallbackInfo<v8::Value>&
+# define _NAN_PROPERTY_SETTER_ARGS _NAN_PROPERTY_SETTER_ARGS_TYPE args
+# define _NAN_PROPERTY_SETTER_RETURN_TYPE void
+
+# define _NAN_PROPERTY_ENUMERATOR_ARGS_TYPE                                    \
+    const v8::PropertyCallbackInfo<v8::Array>&
+# define _NAN_PROPERTY_ENUMERATOR_ARGS _NAN_PROPERTY_ENUMERATOR_ARGS_TYPE args
+# define _NAN_PROPERTY_ENUMERATOR_RETURN_TYPE void
+
+# define _NAN_PROPERTY_DELETER_ARGS_TYPE                                       \
+    const v8::PropertyCallbackInfo<v8::Boolean>&
+# define _NAN_PROPERTY_DELETER_ARGS                                            \
+    _NAN_PROPERTY_DELETER_ARGS_TYPE args
+# define _NAN_PROPERTY_DELETER_RETURN_TYPE void
+
+# define _NAN_PROPERTY_QUERY_ARGS_TYPE                                         \
+    const v8::PropertyCallbackInfo<v8::Integer>&
+# define _NAN_PROPERTY_QUERY_ARGS _NAN_PROPERTY_QUERY_ARGS_TYPE args
+# define _NAN_PROPERTY_QUERY_RETURN_TYPE void
+
+# define _NAN_INDEX_GETTER_ARGS_TYPE                                           \
+    const v8::PropertyCallbackInfo<v8::Value>&
+# define _NAN_INDEX_GETTER_ARGS _NAN_INDEX_GETTER_ARGS_TYPE args
+# define _NAN_INDEX_GETTER_RETURN_TYPE void
+
+# define _NAN_INDEX_SETTER_ARGS_TYPE                                           \
+    const v8::PropertyCallbackInfo<v8::Value>&
+# define _NAN_INDEX_SETTER_ARGS _NAN_INDEX_SETTER_ARGS_TYPE args
+# define _NAN_INDEX_SETTER_RETURN_TYPE void
+
+# define _NAN_INDEX_ENUMERATOR_ARGS_TYPE                                       \
+    const v8::PropertyCallbackInfo<v8::Array>&
+# define _NAN_INDEX_ENUMERATOR_ARGS _NAN_INDEX_ENUMERATOR_ARGS_TYPE args
+# define _NAN_INDEX_ENUMERATOR_RETURN_TYPE void
+
+# define _NAN_INDEX_DELETER_ARGS_TYPE                                          \
+    const v8::PropertyCallbackInfo<v8::Boolean>&
+# define _NAN_INDEX_DELETER_ARGS _NAN_INDEX_DELETER_ARGS_TYPE args
+# define _NAN_INDEX_DELETER_RETURN_TYPE void
+
+# define _NAN_INDEX_QUERY_ARGS_TYPE                                            \
+    const v8::PropertyCallbackInfo<v8::Integer>&
+# define _NAN_INDEX_QUERY_ARGS _NAN_INDEX_QUERY_ARGS_TYPE args
+# define _NAN_INDEX_QUERY_RETURN_TYPE void
+
+  typedef v8::FunctionCallback NanFunctionCallback;
+
+  template<typename T>
+  NAN_INLINE v8::Local<T> NanNew() {
+    return T::New(v8::Isolate::GetCurrent());
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<T> NanNew(P arg1) {
+    return T::New(v8::Isolate::GetCurrent(), arg1);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<v8::Signature> NanNew(
+      v8::Handle<v8::FunctionTemplate> receiver
+    , int argc
+    , v8::Handle<v8::FunctionTemplate> argv[] = 0) {
+    return v8::Signature::New(v8::Isolate::GetCurrent(), receiver, argc, argv);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<v8::FunctionTemplate> NanNew(
+      NanFunctionCallback callback
+    , v8::Handle<v8::Value> data = v8::Handle<v8::Value>()
+    , v8::Handle<v8::Signature> signature = v8::Handle<v8::Signature>()) {
+    return T::New(v8::Isolate::GetCurrent(), callback, data, signature);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<T> NanNew(v8::Handle<T> arg1) {
+    return v8::Local<T>::New(v8::Isolate::GetCurrent(), arg1);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<T> NanNew(const v8::Persistent<T> &arg1) {
+    return v8::Local<T>::New(v8::Isolate::GetCurrent(), arg1);
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<T> NanNew(P arg1, int arg2) {
+    return T::New(v8::Isolate::GetCurrent(), arg1, arg2);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Array> NanNew<v8::Array>() {
+    return v8::Array::New(v8::Isolate::GetCurrent());
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Array> NanNew<v8::Array>(int length) {
+    return v8::Array::New(v8::Isolate::GetCurrent(), length);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Date> NanNew<v8::Date>(double time) {
+    return v8::Date::New(v8::Isolate::GetCurrent(), time).As<v8::Date>();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Date> NanNew<v8::Date>(int time) {
+    return v8::Date::New(v8::Isolate::GetCurrent(), time).As<v8::Date>();
+  }
+
+  typedef v8::UnboundScript NanUnboundScript;
+  typedef v8::Script NanBoundScript;
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<T> NanNew(
+      P s
+    , const v8::ScriptOrigin& origin
+  ) {
+    v8::ScriptCompiler::Source source(s, origin);
+    return v8::ScriptCompiler::CompileUnbound(
+        v8::Isolate::GetCurrent(), &source);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<NanUnboundScript> NanNew<NanUnboundScript>(
+      v8::Local<v8::String> s
+  ) {
+    v8::ScriptCompiler::Source source(s);
+    return v8::ScriptCompiler::CompileUnbound(
+        v8::Isolate::GetCurrent(), &source);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::BooleanObject> NanNew(bool value) {
+    return v8::BooleanObject::New(value).As<v8::BooleanObject>();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::StringObject>
+  NanNew<v8::StringObject, v8::Local<v8::String> >(
+      v8::Local<v8::String> value) {
+    return v8::StringObject::New(value).As<v8::StringObject>();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::StringObject>
+  NanNew<v8::StringObject, v8::Handle<v8::String> >(
+      v8::Handle<v8::String> value) {
+    return v8::StringObject::New(value).As<v8::StringObject>();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::NumberObject> NanNew<v8::NumberObject>(double val) {
+    return v8::NumberObject::New(
+        v8::Isolate::GetCurrent(), val).As<v8::NumberObject>();
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<v8::RegExp> NanNew(
+      v8::Handle<v8::String> pattern, v8::RegExp::Flags flags) {
+    return v8::RegExp::New(pattern, flags);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<v8::RegExp> NanNew(
+      v8::Local<v8::String> pattern, v8::RegExp::Flags flags) {
+    return v8::RegExp::New(pattern, flags);
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<v8::RegExp> NanNew(
+      v8::Handle<v8::String> pattern, v8::RegExp::Flags flags) {
+    return v8::RegExp::New(pattern, flags);
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<v8::RegExp> NanNew(
+      v8::Local<v8::String> pattern, v8::RegExp::Flags flags) {
+    return v8::RegExp::New(pattern, flags);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Uint32> NanNew<v8::Uint32, int32_t>(int32_t val) {
+    return v8::Uint32::NewFromUnsigned(
+        v8::Isolate::GetCurrent(), val)->ToUint32();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Uint32> NanNew<v8::Uint32, uint32_t>(uint32_t val) {
+    return v8::Uint32::NewFromUnsigned(
+        v8::Isolate::GetCurrent(), val)->ToUint32();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Int32> NanNew<v8::Int32, int32_t>(int32_t val) {
+    return v8::Int32::New(v8::Isolate::GetCurrent(), val)->ToInt32();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Int32> NanNew<v8::Int32, uint32_t>(uint32_t val) {
+    return v8::Int32::New(v8::Isolate::GetCurrent(), val)->ToInt32();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, char *>(
+      char *arg
+    , int length) {
+    return v8::String::NewFromUtf8(
+        v8::Isolate::GetCurrent()
+      , arg
+      , v8::String::kNormalString
+      , length);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, const char *>(
+      const char *arg
+    , int length) {
+    return v8::String::NewFromUtf8(
+        v8::Isolate::GetCurrent()
+      , arg
+      , v8::String::kNormalString
+      , length);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, char *>(char *arg) {
+    return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), arg);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, const char *>(
+      const char *arg) {
+    return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), arg);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, uint8_t *>(
+      uint8_t *arg
+    , int length) {
+    return v8::String::NewFromOneByte(
+        v8::Isolate::GetCurrent()
+      , arg
+      , v8::String::kNormalString
+      , length);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, const uint8_t *>(
+      const uint8_t *arg
+    , int length) {
+    return v8::String::NewFromOneByte(
+        v8::Isolate::GetCurrent()
+      , arg
+      , v8::String::kNormalString
+      , length);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, uint8_t *>(uint8_t *arg) {
+    return v8::String::NewFromOneByte(v8::Isolate::GetCurrent(), arg);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, const uint8_t *>(
+      const uint8_t *arg) {
+    return v8::String::NewFromOneByte(v8::Isolate::GetCurrent(), arg);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, uint16_t *>(
+      uint16_t *arg
+    , int length) {
+    return v8::String::NewFromTwoByte(
+        v8::Isolate::GetCurrent()
+      , arg
+      , v8::String::kNormalString
+      , length);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, const uint16_t *>(
+      const uint16_t *arg
+    , int length) {
+    return v8::String::NewFromTwoByte(
+        v8::Isolate::GetCurrent()
+      , arg
+      , v8::String::kNormalString
+      , length);
+  }
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, uint16_t *>(
+      uint16_t *arg) {
+    return v8::String::NewFromTwoByte(v8::Isolate::GetCurrent(), arg);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, const uint16_t *>(
+      const uint16_t *arg) {
+    return v8::String::NewFromTwoByte(v8::Isolate::GetCurrent(), arg);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, std::string>(
+      std::string arg) {
+    return NanNew<v8::String>(arg.c_str(), arg.size());
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String>() {
+    return v8::String::Empty(v8::Isolate::GetCurrent());
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(const char* arg, int length = -1) {
+    return NanNew<v8::String>(arg, length);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      const uint8_t* arg
+    , int length = -1) {
+    return NanNew<v8::String>(arg, length);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      const uint16_t* arg
+    , int length = -1) {
+    return NanNew<v8::String>(arg, length);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      const std::string& arg) {
+    return NanNew<v8::String>(arg.c_str(), arg.size());
+  }
+
+  NAN_INLINE v8::Local<v8::Number> NanNew(double val) {
+    return NanNew<v8::Number>(val);
+  }
+
+  NAN_INLINE v8::Local<v8::Integer> NanNew(int val) {
+    return NanNew<v8::Integer>(val);
+  }
+
+  NAN_INLINE v8::Local<v8::Uint32> NanNew(unsigned int val) {
+    return NanNew<v8::Uint32>(val);
+  }
+
+  NAN_INLINE v8::Local<v8::Boolean> NanNew(bool val) {
+    return NanNew<v8::Boolean>(val);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      v8::String::ExternalStringResource *resource) {
+    return v8::String::NewExternal(v8::Isolate::GetCurrent(), resource);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      v8::String::ExternalAsciiStringResource *resource) {
+    return v8::String::NewExternal(v8::Isolate::GetCurrent(), resource);
+  }
+
+# define NanScope() v8::HandleScope scope(v8::Isolate::GetCurrent())
+# define NanEscapableScope()                                                   \
+  v8::EscapableHandleScope scope(v8::Isolate::GetCurrent())
+
+  template<typename T>
+  NAN_INLINE v8::Local<T> _NanEscapeScopeHelper(v8::Handle<T> val) {
+    return NanNew(val);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<T> _NanEscapeScopeHelper(v8::Local<T> val) {
+    return val;
+  }
+
+# define NanEscapeScope(val) scope.Escape(_NanEscapeScopeHelper(val))
+# define NanLocker() v8::Locker locker(v8::Isolate::GetCurrent())
+# define NanUnlocker() v8::Unlocker unlocker(v8::Isolate::GetCurrent())
+# define NanReturnValue(value) return args.GetReturnValue().Set(value)
+# define NanReturnUndefined() return
+# define NanReturnNull() return args.GetReturnValue().SetNull()
+# define NanReturnEmptyString() return args.GetReturnValue().SetEmptyString()
+
+# define NanObjectWrapHandle(obj) obj->handle()
+
+  NAN_INLINE v8::Local<v8::Primitive> NanUndefined() {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew(v8::Undefined(v8::Isolate::GetCurrent())));
+  }
+
+  NAN_INLINE v8::Local<v8::Primitive> NanNull() {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew(v8::Null(v8::Isolate::GetCurrent())));
+  }
+
+  NAN_INLINE v8::Local<v8::Boolean> NanTrue() {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew(v8::True(v8::Isolate::GetCurrent())));
+  }
+
+  NAN_INLINE v8::Local<v8::Boolean> NanFalse() {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew(v8::False(v8::Isolate::GetCurrent())));
+  }
+
+  NAN_INLINE int NanAdjustExternalMemory(int bc) {
+    return static_cast<int>(
+        v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(bc));
+  }
+
+  NAN_INLINE void NanSetTemplate(
+      v8::Handle<v8::Template> templ
+    , const char *name
+    , v8::Handle<v8::Data> value) {
+    templ->Set(v8::Isolate::GetCurrent(), name, value);
+  }
+
+  NAN_INLINE void NanSetTemplate(
+      v8::Handle<v8::Template> templ
+    , v8::Handle<v8::String> name
+    , v8::Handle<v8::Data> value
+    , v8::PropertyAttribute attributes) {
+    templ->Set(name, value, attributes);
+  }
+
+  NAN_INLINE v8::Local<v8::Context> NanGetCurrentContext() {
+    return v8::Isolate::GetCurrent()->GetCurrentContext();
+  }
+
+  NAN_INLINE void* NanGetInternalFieldPointer(
+      v8::Handle<v8::Object> object
+    , int index) {
+    return object->GetAlignedPointerFromInternalField(index);
+  }
+
+  NAN_INLINE void NanSetInternalFieldPointer(
+      v8::Handle<v8::Object> object
+    , int index
+    , void* value) {
+    object->SetAlignedPointerInInternalField(index, value);
+  }
+
+  NAN_INLINE void NanAddGCEpilogueCallback(
+      v8::Isolate::GCEpilogueCallback callback
+    , v8::GCType gc_type_filter = v8::kGCTypeAll) {
+    v8::Isolate::GetCurrent()->AddGCEpilogueCallback(callback, gc_type_filter);
+  }
+
+  NAN_INLINE void NanRemoveGCEpilogueCallback(
+      v8::Isolate::GCEpilogueCallback callback) {
+    v8::Isolate::GetCurrent()->RemoveGCEpilogueCallback(callback);
+  }
+
+  NAN_INLINE void NanAddGCPrologueCallback(
+      v8::Isolate::GCPrologueCallback callback
+    , v8::GCType gc_type_filter = v8::kGCTypeAll) {
+    v8::Isolate::GetCurrent()->AddGCPrologueCallback(callback, gc_type_filter);
+  }
+
+  NAN_INLINE void NanRemoveGCPrologueCallback(
+      v8::Isolate::GCPrologueCallback callback) {
+    v8::Isolate::GetCurrent()->RemoveGCPrologueCallback(callback);
+  }
+
+  NAN_INLINE void NanGetHeapStatistics(
+      v8::HeapStatistics *heap_statistics) {
+    v8::Isolate::GetCurrent()->GetHeapStatistics(heap_statistics);
+  }
+
+  NAN_DEPRECATED NAN_INLINE v8::Local<v8::String> NanSymbol(
+      const char* data, int length = -1) {
+    return NanNew<v8::String>(data, length);
+  }
+
+  template<typename T>
+  NAN_INLINE void NanAssignPersistent(
+      v8::Persistent<T>& handle
+    , v8::Handle<T> obj) {
+      handle.Reset(v8::Isolate::GetCurrent(), obj);
+  }
+
+  template<typename T>
+  NAN_INLINE void NanAssignPersistent(
+      v8::Persistent<T>& handle
+    , const v8::Persistent<T>& obj) {
+      handle.Reset(v8::Isolate::GetCurrent(), obj);
+  }
+
+  template<typename T, typename P>
+  class _NanWeakCallbackData;
+
+  template<typename T, typename P>
+  struct _NanWeakCallbackInfo {
+    typedef void (*Callback)(const _NanWeakCallbackData<T, P>& data);
+    NAN_INLINE _NanWeakCallbackInfo(v8::Handle<T> handle, P* param, Callback cb)
+      : parameter(param), callback(cb) {
+       NanAssignPersistent(persistent, handle);
+    }
+
+    NAN_INLINE ~_NanWeakCallbackInfo() {
+      persistent.Reset();
+    }
+
+    P* const parameter;
+    Callback const callback;
+    v8::Persistent<T> persistent;
+  };
+
+  template<typename T, typename P>
+  class _NanWeakCallbackData {
+   public:
+    NAN_INLINE _NanWeakCallbackData(_NanWeakCallbackInfo<T, P> *info)
+      : info_(info) { }
+
+    NAN_INLINE v8::Local<T> GetValue() const {
+      return NanNew(info_->persistent);
+    }
+
+    NAN_INLINE P* GetParameter() const { return info_->parameter; }
+
+    NAN_INLINE bool IsNearDeath() const {
+      return info_->persistent.IsNearDeath();
+    }
+
+    NAN_INLINE void Revive() const;
+
+    NAN_INLINE _NanWeakCallbackInfo<T, P>* GetCallbackInfo() const {
+      return info_;
+    }
+
+    NAN_DEPRECATED NAN_INLINE void Dispose() const {
+    }
+
+   private:
+    _NanWeakCallbackInfo<T, P>* info_;
+  };
+
+  template<typename T, typename P>
+  static void _NanWeakCallbackDispatcher(
+    const v8::WeakCallbackData<T, _NanWeakCallbackInfo<T, P> > &data) {
+      _NanWeakCallbackInfo<T, P> *info = data.GetParameter();
+      _NanWeakCallbackData<T, P> wcbd(info);
+      info->callback(wcbd);
+      if (wcbd.IsNearDeath()) {
+        delete wcbd.GetCallbackInfo();
+      }
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE void _NanWeakCallbackData<T, P>::Revive() const {
+      info_->persistent.SetWeak(info_, &_NanWeakCallbackDispatcher<T, P>);
+  }
+
+template<typename T, typename P>
+NAN_INLINE _NanWeakCallbackInfo<T, P>* NanMakeWeakPersistent(
+    v8::Handle<T> handle
+  , P* parameter
+  , typename _NanWeakCallbackInfo<T, P>::Callback callback) {
+    _NanWeakCallbackInfo<T, P> *cbinfo =
+     new _NanWeakCallbackInfo<T, P>(handle, parameter, callback);
+    cbinfo->persistent.SetWeak(cbinfo, &_NanWeakCallbackDispatcher<T, P>);
+    return cbinfo;
+}
+
+# define NAN_WEAK_CALLBACK(name)                                               \
+    template<typename T, typename P>                                           \
+    static void name(const _NanWeakCallbackData<T, P> &data)
+
+# define _NAN_ERROR(fun, errmsg) fun(NanNew<v8::String>(errmsg))
+
+# define _NAN_THROW_ERROR(fun, errmsg)                                         \
+    do {                                                                       \
+      NanScope();                                                              \
+      v8::Isolate::GetCurrent()->ThrowException(_NAN_ERROR(fun, errmsg));      \
+    } while (0);
+
+  NAN_INLINE v8::Local<v8::Value> NanError(const char* errmsg) {
+    return  _NAN_ERROR(v8::Exception::Error, errmsg);
+  }
+
+  NAN_INLINE void NanThrowError(const char* errmsg) {
+    _NAN_THROW_ERROR(v8::Exception::Error, errmsg);
+  }
+
+  NAN_INLINE void NanThrowError(v8::Handle<v8::Value> error) {
+    NanScope();
+    v8::Isolate::GetCurrent()->ThrowException(error);
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanError(
+      const char *msg
+    , const int errorNumber
+  ) {
+    v8::Local<v8::Value> err = v8::Exception::Error(NanNew<v8::String>(msg));
+    v8::Local<v8::Object> obj = err.As<v8::Object>();
+    obj->Set(NanNew<v8::String>("code"), NanNew<v8::Integer>(errorNumber));
+    return err;
+  }
+
+  NAN_INLINE void NanThrowError(
+      const char *msg
+    , const int errorNumber
+  ) {
+    NanThrowError(NanError(msg, errorNumber));
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanTypeError(const char* errmsg) {
+    return _NAN_ERROR(v8::Exception::TypeError, errmsg);
+  }
+
+  NAN_INLINE void NanThrowTypeError(const char* errmsg) {
+    _NAN_THROW_ERROR(v8::Exception::TypeError, errmsg);
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanRangeError(const char* errmsg) {
+    return _NAN_ERROR(v8::Exception::RangeError, errmsg);
+  }
+
+  NAN_INLINE void NanThrowRangeError(const char* errmsg) {
+    _NAN_THROW_ERROR(v8::Exception::RangeError, errmsg);
+  }
+
+  template<typename T> NAN_INLINE void NanDisposePersistent(
+      v8::Persistent<T> &handle
+  ) {
+    handle.Reset();
+  }
+
+  NAN_INLINE v8::Local<v8::Object> NanNewBufferHandle (
+      char *data
+    , size_t length
+    , node::smalloc::FreeCallback callback
+    , void *hint
+  ) {
+    return node::Buffer::New(
+        v8::Isolate::GetCurrent(), data, length, callback, hint);
+  }
+
+  NAN_INLINE v8::Local<v8::Object> NanNewBufferHandle (
+      const char *data
+    , uint32_t size
+  ) {
+    return node::Buffer::New(v8::Isolate::GetCurrent(), data, size);
+  }
+
+  NAN_INLINE v8::Local<v8::Object> NanNewBufferHandle (uint32_t size) {
+    return node::Buffer::New(v8::Isolate::GetCurrent(), size);
+  }
+
+  NAN_INLINE v8::Local<v8::Object> NanBufferUse(
+      char* data
+    , uint32_t size
+  ) {
+    return node::Buffer::Use(v8::Isolate::GetCurrent(), data, size);
+  }
+
+  NAN_INLINE bool NanHasInstance(
+      v8::Persistent<v8::FunctionTemplate>& function_template
+    , v8::Handle<v8::Value> value
+  ) {
+    return NanNew(function_template)->HasInstance(value);
+  }
+
+  NAN_INLINE v8::Local<v8::Context> NanNewContextHandle(
+      v8::ExtensionConfiguration* extensions = NULL
+    , v8::Handle<v8::ObjectTemplate> tmpl = v8::Handle<v8::ObjectTemplate>()
+    , v8::Handle<v8::Value> obj = v8::Handle<v8::Value>()
+  ) {
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();
+    return v8::Local<v8::Context>::New(
+        isolate
+      , v8::Context::New(isolate, extensions, tmpl, obj)
+    );
+  }
+
+  NAN_INLINE v8::Local<NanBoundScript> NanCompileScript(
+      v8::Local<v8::String> s
+    , const v8::ScriptOrigin& origin
+  ) {
+    v8::ScriptCompiler::Source source(s, origin);
+    return v8::ScriptCompiler::Compile(v8::Isolate::GetCurrent(), &source);
+  }
+
+  NAN_INLINE v8::Local<NanBoundScript> NanCompileScript(
+      v8::Local<v8::String> s
+  ) {
+    v8::ScriptCompiler::Source source(s);
+    return v8::ScriptCompiler::Compile(v8::Isolate::GetCurrent(), &source);
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanRunScript(
+      v8::Handle<NanUnboundScript> script
+  ) {
+    return script->BindToCurrentContext()->Run();
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanRunScript(
+      v8::Handle<NanBoundScript> script
+  ) {
+    return script->Run();
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanMakeCallback(
+      v8::Handle<v8::Object> target
+    , v8::Handle<v8::Function> func
+    , int argc
+    , v8::Handle<v8::Value>* argv) {
+    return NanNew(node::MakeCallback(
+        v8::Isolate::GetCurrent(), target, func, argc, argv));
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanMakeCallback(
+      v8::Handle<v8::Object> target
+    , v8::Handle<v8::String> symbol
+    , int argc
+    , v8::Handle<v8::Value>* argv) {
+    return NanNew(node::MakeCallback(
+        v8::Isolate::GetCurrent(), target, symbol, argc, argv));
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanMakeCallback(
+      v8::Handle<v8::Object> target
+    , const char* method
+    , int argc
+    , v8::Handle<v8::Value>* argv) {
+    return NanNew(node::MakeCallback(
+        v8::Isolate::GetCurrent(), target, method, argc, argv));
+  }
+
+  template<typename T>
+  NAN_INLINE void NanSetIsolateData(
+      v8::Isolate *isolate
+    , T *data
+  ) {
+      isolate->SetData(0, data);
+  }
+
+  template<typename T>
+  NAN_INLINE T *NanGetIsolateData(
+      v8::Isolate *isolate
+  ) {
+      return static_cast<T*>(isolate->GetData(0));
+  }
+
+  class NanAsciiString {
+   public:
+    NAN_INLINE explicit NanAsciiString(v8::Handle<v8::Value> from) {
+      v8::Local<v8::String> toStr = from->ToString();
+      int buf_size = toStr->Length() + 1;
+      buf = new char[buf_size];
+      size = toStr->WriteOneByte(
+          reinterpret_cast<unsigned char*>(buf), 0, buf_size);
+    }
+
+    NAN_INLINE int Size() const {
+      return size;
+    }
+
+    NAN_INLINE char* operator*() { return buf; }
+
+    NAN_INLINE ~NanAsciiString() {
+      delete[] buf;
+    }
+
+   private:
+    char *buf;
+    int size;
+  };
+
+  class NanUtf8String {
+   public:
+    NAN_INLINE explicit NanUtf8String(v8::Handle<v8::Value> from) {
+      v8::Local<v8::String> toStr = from->ToString();
+      int buf_size = toStr->Utf8Length() + 1;
+      buf = new char[buf_size];
+      size = toStr->WriteUtf8(buf, buf_size);
+    }
+
+    NAN_INLINE int Size() const {
+      return size;
+    }
+
+    NAN_INLINE char* operator*() { return buf; }
+
+    NAN_INLINE ~NanUtf8String() {
+      delete[] buf;
+    }
+
+   private:
+    char *buf;
+    int size;
+  };
+
+  class NanUcs2String {
+   public:
+    NAN_INLINE explicit NanUcs2String(v8::Handle<v8::Value> from) {
+      v8::Local<v8::String> toStr = from->ToString();
+      int buf_size = toStr->Length() + 1;
+      buf = new uint16_t[buf_size];
+      size = toStr->Write(buf, 0, buf_size);
+    }
+
+    NAN_INLINE int Size() const {
+      return size;
+    }
+
+    NAN_INLINE uint16_t* operator*() { return buf; }
+
+    NAN_INLINE ~NanUcs2String() {
+      delete[] buf;
+    }
+
+   private:
+    uint16_t *buf;
+    int size;
+  };
+
+#else
+// Node 0.8 and 0.10
+
+# define _NAN_METHOD_ARGS_TYPE const v8::Arguments&
+# define _NAN_METHOD_ARGS _NAN_METHOD_ARGS_TYPE args
+# define _NAN_METHOD_RETURN_TYPE v8::Handle<v8::Value>
+
+# define _NAN_GETTER_ARGS_TYPE const v8::AccessorInfo &
+# define _NAN_GETTER_ARGS _NAN_GETTER_ARGS_TYPE args
+# define _NAN_GETTER_RETURN_TYPE v8::Handle<v8::Value>
+
+# define _NAN_SETTER_ARGS_TYPE const v8::AccessorInfo &
+# define _NAN_SETTER_ARGS _NAN_SETTER_ARGS_TYPE args
+# define _NAN_SETTER_RETURN_TYPE void
+
+# define _NAN_PROPERTY_GETTER_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_PROPERTY_GETTER_ARGS _NAN_PROPERTY_GETTER_ARGS_TYPE args
+# define _NAN_PROPERTY_GETTER_RETURN_TYPE v8::Handle<v8::Value>
+
+# define _NAN_PROPERTY_SETTER_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_PROPERTY_SETTER_ARGS _NAN_PROPERTY_SETTER_ARGS_TYPE args
+# define _NAN_PROPERTY_SETTER_RETURN_TYPE v8::Handle<v8::Value>
+
+# define _NAN_PROPERTY_ENUMERATOR_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_PROPERTY_ENUMERATOR_ARGS _NAN_PROPERTY_ENUMERATOR_ARGS_TYPE args
+# define _NAN_PROPERTY_ENUMERATOR_RETURN_TYPE v8::Handle<v8::Array>
+
+# define _NAN_PROPERTY_DELETER_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_PROPERTY_DELETER_ARGS _NAN_PROPERTY_DELETER_ARGS_TYPE args
+# define _NAN_PROPERTY_DELETER_RETURN_TYPE v8::Handle<v8::Boolean>
+
+# define _NAN_PROPERTY_QUERY_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_PROPERTY_QUERY_ARGS _NAN_PROPERTY_QUERY_ARGS_TYPE args
+# define _NAN_PROPERTY_QUERY_RETURN_TYPE v8::Handle<v8::Integer>
+
+# define _NAN_INDEX_GETTER_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_INDEX_GETTER_ARGS _NAN_INDEX_GETTER_ARGS_TYPE args
+# define _NAN_INDEX_GETTER_RETURN_TYPE v8::Handle<v8::Value>
+
+# define _NAN_INDEX_SETTER_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_INDEX_SETTER_ARGS _NAN_INDEX_SETTER_ARGS_TYPE args
+# define _NAN_INDEX_SETTER_RETURN_TYPE v8::Handle<v8::Value>
+
+# define _NAN_INDEX_ENUMERATOR_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_INDEX_ENUMERATOR_ARGS _NAN_INDEX_ENUMERATOR_ARGS_TYPE args
+# define _NAN_INDEX_ENUMERATOR_RETURN_TYPE v8::Handle<v8::Array>
+
+# define _NAN_INDEX_DELETER_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_INDEX_DELETER_ARGS _NAN_INDEX_DELETER_ARGS_TYPE args
+# define _NAN_INDEX_DELETER_RETURN_TYPE v8::Handle<v8::Boolean>
+
+# define _NAN_INDEX_QUERY_ARGS_TYPE const v8::AccessorInfo&
+# define _NAN_INDEX_QUERY_ARGS _NAN_INDEX_QUERY_ARGS_TYPE args
+# define _NAN_INDEX_QUERY_RETURN_TYPE v8::Handle<v8::Integer>
+
+  typedef v8::InvocationCallback NanFunctionCallback;
+
+  NAN_DEPRECATED NAN_INLINE v8::Local<v8::String> NanSymbol(
+      const char* data, int length = -1) {
+    return v8::String::NewSymbol(data, length);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<T> NanNew() {
+    return v8::Local<T>::New(T::New());
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<T> NanNew(v8::Handle<T> arg) {
+    return v8::Local<T>::New(arg);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<v8::Signature> NanNew(
+      v8::Handle<v8::FunctionTemplate> receiver
+    , int argc
+    , v8::Handle<v8::FunctionTemplate> argv[] = 0) {
+    return v8::Signature::New(receiver, argc, argv);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<v8::FunctionTemplate> NanNew(
+      NanFunctionCallback callback
+    , v8::Handle<v8::Value> data = v8::Handle<v8::Value>()
+    , v8::Handle<v8::Signature> signature = v8::Handle<v8::Signature>()) {
+    return T::New(callback, data, signature);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<T> NanNew(const v8::Persistent<T> &arg) {
+    return v8::Local<T>::New(arg);
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<T> NanNew(P arg) {
+    return v8::Local<T>::New(T::New(arg));
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<T> NanNew(P arg, int length) {
+    return v8::Local<T>::New(T::New(arg, length));
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<v8::RegExp> NanNew(
+      v8::Handle<v8::String> pattern, v8::RegExp::Flags flags) {
+    return v8::RegExp::New(pattern, flags);
+  }
+
+  template<typename T>
+  NAN_INLINE v8::Local<v8::RegExp> NanNew(
+      v8::Local<v8::String> pattern, v8::RegExp::Flags flags) {
+    return v8::RegExp::New(pattern, flags);
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<v8::RegExp> NanNew(
+      v8::Handle<v8::String> pattern, v8::RegExp::Flags flags) {
+    return v8::RegExp::New(pattern, flags);
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<v8::RegExp> NanNew(
+      v8::Local<v8::String> pattern, v8::RegExp::Flags flags) {
+    return v8::RegExp::New(pattern, flags);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Array> NanNew<v8::Array>() {
+    return v8::Array::New();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Array> NanNew<v8::Array>(int length) {
+    return v8::Array::New(length);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Date> NanNew<v8::Date>(double time) {
+    return v8::Date::New(time).As<v8::Date>();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Date> NanNew<v8::Date>(int time) {
+    return v8::Date::New(time).As<v8::Date>();
+  }
+
+  typedef v8::Script NanUnboundScript;
+  typedef v8::Script NanBoundScript;
+
+  template<typename T, typename P>
+  NAN_INLINE v8::Local<T> NanNew(
+      P s
+    , const v8::ScriptOrigin& origin
+  ) {
+    return v8::Script::New(s, const_cast<v8::ScriptOrigin *>(&origin));
+  }
+
+  template<>
+  NAN_INLINE v8::Local<NanUnboundScript> NanNew<NanUnboundScript>(
+      v8::Local<v8::String> s
+  ) {
+    return v8::Script::New(s);
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::BooleanObject> NanNew(bool value) {
+    return v8::BooleanObject::New(value).As<v8::BooleanObject>();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::StringObject>
+  NanNew<v8::StringObject, v8::Local<v8::String> >(
+      v8::Local<v8::String> value) {
+    return v8::StringObject::New(value).As<v8::StringObject>();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::StringObject>
+  NanNew<v8::StringObject, v8::Handle<v8::String> >(
+      v8::Handle<v8::String> value) {
+    return v8::StringObject::New(value).As<v8::StringObject>();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::NumberObject> NanNew<v8::NumberObject>(double val) {
+    return v8::NumberObject::New(val).As<v8::NumberObject>();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Uint32> NanNew<v8::Uint32, int32_t>(int32_t val) {
+    return v8::Uint32::NewFromUnsigned(val)->ToUint32();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Uint32> NanNew<v8::Uint32, uint32_t>(uint32_t val) {
+    return v8::Uint32::NewFromUnsigned(val)->ToUint32();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Int32> NanNew<v8::Int32, int32_t>(int32_t val) {
+    return v8::Int32::New(val)->ToInt32();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::Int32> NanNew<v8::Int32, uint32_t>(uint32_t val) {
+    return v8::Int32::New(val)->ToInt32();
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, uint8_t *>(
+      uint8_t *arg
+    , int length) {
+    int len = length;
+    if (len < 0) {
+      size_t temp = strlen(reinterpret_cast<const char *>(arg));
+      assert(temp <= INT_MAX && "too long string");
+      len = static_cast<int>(temp);
+    }
+    uint16_t *warg = new uint16_t[len];
+    for (int i = 0; i < len; i++) {
+      warg[i] = arg[i];
+    }
+    v8::Local<v8::String> retval = v8::String::New(warg, len);
+    delete[] warg;
+    return retval;
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, const uint8_t *>(
+      const uint8_t *arg
+    , int length) {
+    int len = length;
+    if (len < 0) {
+      size_t temp = strlen(reinterpret_cast<const char *>(arg));
+      assert(temp <= INT_MAX && "too long string");
+      len = static_cast<int>(temp);
+    }
+    uint16_t *warg = new uint16_t[len];
+    for (int i = 0; i < len; i++) {
+      warg[i] = arg[i];
+    }
+    v8::Local<v8::String> retval = v8::String::New(warg, len);
+    delete[] warg;
+    return retval;
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, uint8_t *>(uint8_t *arg) {
+    size_t temp = strlen(reinterpret_cast<char *>(arg));
+    assert(temp <= INT_MAX && "too long string");
+    int length = static_cast<int>(temp);
+    uint16_t *warg = new uint16_t[length];
+    for (int i = 0; i < length; i++) {
+      warg[i] = arg[i];
+    }
+
+    v8::Local<v8::String> retval = v8::String::New(warg, length);
+    delete[] warg;
+    return retval;
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, const uint8_t *>(
+      const uint8_t *arg) {
+    size_t temp = strlen(reinterpret_cast<const char *>(arg));
+    assert(temp <= INT_MAX && "too long string");
+    int length = static_cast<int>(temp);
+    uint16_t *warg = new uint16_t[length];
+    for (int i = 0; i < length; i++) {
+      warg[i] = arg[i];
+    }
+    v8::Local<v8::String> retval = v8::String::New(warg, length);
+    delete[] warg;
+    return retval;
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String, std::string>(
+      std::string arg) {
+    return NanNew<v8::String>(arg.c_str(), arg.size());
+  }
+
+  template<>
+  NAN_INLINE v8::Local<v8::String> NanNew<v8::String>() {
+    return v8::String::Empty();
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(const char* arg, int length = -1) {
+    return NanNew<v8::String>(arg, length);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      const uint8_t* arg
+    , int length = -1) {
+    return NanNew<v8::String>(arg, length);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      const uint16_t* arg
+    , int length = -1) {
+    return NanNew<v8::String>(arg, length);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      std::string& arg) {
+    return NanNew<v8::String>(arg.c_str(), arg.size());
+  }
+
+  NAN_INLINE v8::Local<v8::Number> NanNew(double val) {
+    return NanNew<v8::Number>(val);
+  }
+
+  NAN_INLINE v8::Local<v8::Integer> NanNew(int val) {
+    return NanNew<v8::Integer>(val);
+  }
+
+  NAN_INLINE v8::Local<v8::Uint32> NanNew(unsigned int val) {
+    return NanNew<v8::Uint32>(val);
+  }
+
+  NAN_INLINE v8::Local<v8::Boolean> NanNew(bool val) {
+    return NanNew<v8::Boolean>(val);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      v8::String::ExternalStringResource *resource) {
+    return v8::String::NewExternal(resource);
+  }
+
+  NAN_INLINE v8::Local<v8::String> NanNew(
+      v8::String::ExternalAsciiStringResource *resource) {
+    return v8::String::NewExternal(resource);
+  }
+
+# define NanScope() v8::HandleScope scope
+# define NanEscapableScope() v8::HandleScope scope
+# define NanEscapeScope(val) scope.Close(val)
+# define NanLocker() v8::Locker locker
+# define NanUnlocker() v8::Unlocker unlocker
+# define NanReturnValue(value) return scope.Close(value)
+# define NanReturnUndefined() return v8::Undefined()
+# define NanReturnNull() return v8::Null()
+# define NanReturnEmptyString() return v8::String::Empty()
+# define NanObjectWrapHandle(obj) v8::Local<v8::Object>::New(obj->handle_)
+
+  NAN_INLINE v8::Local<v8::Primitive> NanUndefined() {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew(v8::Undefined()));
+  }
+
+  NAN_INLINE v8::Local<v8::Primitive> NanNull() {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew(v8::Null()));
+  }
+
+  NAN_INLINE v8::Local<v8::Boolean> NanTrue() {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew(v8::True()));
+  }
+
+  NAN_INLINE v8::Local<v8::Boolean> NanFalse() {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew(v8::False()));
+  }
+
+  NAN_INLINE int NanAdjustExternalMemory(int bc) {
+    return static_cast<int>(v8::V8::AdjustAmountOfExternalAllocatedMemory(bc));
+  }
+
+  NAN_INLINE void NanSetTemplate(
+      v8::Handle<v8::Template> templ
+    , const char *name
+    , v8::Handle<v8::Data> value) {
+    templ->Set(name, value);
+  }
+
+  NAN_INLINE void NanSetTemplate(
+      v8::Handle<v8::Template> templ
+    , v8::Handle<v8::String> name
+    , v8::Handle<v8::Data> value
+    , v8::PropertyAttribute attributes) {
+    templ->Set(name, value, attributes);
+  }
+
+  NAN_INLINE v8::Local<v8::Context> NanGetCurrentContext() {
+    return v8::Context::GetCurrent();
+  }
+
+  NAN_INLINE void* NanGetInternalFieldPointer(
+      v8::Handle<v8::Object> object
+    , int index) {
+    return object->GetPointerFromInternalField(index);
+  }
+
+  NAN_INLINE void NanSetInternalFieldPointer(
+      v8::Handle<v8::Object> object
+    , int index
+    , void* value) {
+    object->SetPointerInInternalField(index, value);
+  }
+
+  NAN_INLINE void NanAddGCEpilogueCallback(
+    v8::GCEpilogueCallback callback
+  , v8::GCType gc_type_filter = v8::kGCTypeAll) {
+    v8::V8::AddGCEpilogueCallback(callback, gc_type_filter);
+  }
+  NAN_INLINE void NanRemoveGCEpilogueCallback(
+    v8::GCEpilogueCallback callback) {
+    v8::V8::RemoveGCEpilogueCallback(callback);
+  }
+  NAN_INLINE void NanAddGCPrologueCallback(
+    v8::GCPrologueCallback callback
+  , v8::GCType gc_type_filter = v8::kGCTypeAll) {
+    v8::V8::AddGCPrologueCallback(callback, gc_type_filter);
+  }
+  NAN_INLINE void NanRemoveGCPrologueCallback(
+    v8::GCPrologueCallback callback) {
+    v8::V8::RemoveGCPrologueCallback(callback);
+  }
+  NAN_INLINE void NanGetHeapStatistics(
+    v8::HeapStatistics *heap_statistics) {
+    v8::V8::GetHeapStatistics(heap_statistics);
+  }
+
+  template<typename T>
+  NAN_INLINE void NanAssignPersistent(
+      v8::Persistent<T>& handle
+    , v8::Handle<T> obj) {
+      handle.Dispose();
+      handle = v8::Persistent<T>::New(obj);
+  }
+
+  template<typename T, typename P>
+  class _NanWeakCallbackData;
+
+  template<typename T, typename P>
+  struct _NanWeakCallbackInfo {
+    typedef void (*Callback)(const _NanWeakCallbackData<T, P> &data);
+    NAN_INLINE _NanWeakCallbackInfo(v8::Handle<T> handle, P* param, Callback cb)
+      : parameter(param)
+      , callback(cb)
+      , persistent(v8::Persistent<T>::New(handle)) { }
+
+    NAN_INLINE ~_NanWeakCallbackInfo() {
+      persistent.Dispose();
+      persistent.Clear();
+    }
+
+    P* const parameter;
+    Callback const callback;
+    v8::Persistent<T> persistent;
+  };
+
+  template<typename T, typename P>
+  class _NanWeakCallbackData {
+   public:
+    NAN_INLINE _NanWeakCallbackData(_NanWeakCallbackInfo<T, P> *info)
+      : info_(info) { }
+
+    NAN_INLINE v8::Local<T> GetValue() const {
+      return NanNew(info_->persistent);
+    }
+
+    NAN_INLINE P* GetParameter() const { return info_->parameter; }
+
+    NAN_INLINE bool IsNearDeath() const {
+      return info_->persistent.IsNearDeath();
+    }
+
+    NAN_INLINE void Revive() const;
+
+    NAN_INLINE _NanWeakCallbackInfo<T, P>* GetCallbackInfo() const {
+      return info_;
+    }
+
+    NAN_DEPRECATED NAN_INLINE void Dispose() const {
+    }
+
+   private:
+    _NanWeakCallbackInfo<T, P>* info_;
+  };
+
+  template<typename T, typename P>
+  static void _NanWeakPersistentDispatcher(
+      v8::Persistent<v8::Value> object, void *data) {
+    _NanWeakCallbackInfo<T, P>* info =
+        static_cast<_NanWeakCallbackInfo<T, P>*>(data);
+    _NanWeakCallbackData<T, P> wcbd(info);
+    info->callback(wcbd);
+    if (wcbd.IsNearDeath()) {
+      delete wcbd.GetCallbackInfo();
+    }
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE void _NanWeakCallbackData<T, P>::Revive() const {
+      info_->persistent.MakeWeak(
+          info_
+        , &_NanWeakPersistentDispatcher<T, P>);
+  }
+
+  template<typename T, typename P>
+  NAN_INLINE _NanWeakCallbackInfo<T, P>* NanMakeWeakPersistent(
+    v8::Handle<T> handle
+  , P* parameter
+  , typename _NanWeakCallbackInfo<T, P>::Callback callback) {
+      _NanWeakCallbackInfo<T, P> *cbinfo =
+        new _NanWeakCallbackInfo<T, P>(handle, parameter, callback);
+      cbinfo->persistent.MakeWeak(
+          cbinfo
+        , &_NanWeakPersistentDispatcher<T, P>);
+      return cbinfo;
+  }
+
+# define NAN_WEAK_CALLBACK(name)                                               \
+    template<typename T, typename P>                                           \
+    static void name(const _NanWeakCallbackData<T, P> &data)
+
+# define _NAN_ERROR(fun, errmsg)                                               \
+    fun(v8::String::New(errmsg))
+
+# define _NAN_THROW_ERROR(fun, errmsg)                                         \
+    do {                                                                       \
+      NanScope();                                                              \
+      return v8::Local<v8::Value>::New(                                        \
+        v8::ThrowException(_NAN_ERROR(fun, errmsg)));                          \
+    } while (0);
+
+  NAN_INLINE v8::Local<v8::Value> NanError(const char* errmsg) {
+    return _NAN_ERROR(v8::Exception::Error, errmsg);
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanThrowError(const char* errmsg) {
+    _NAN_THROW_ERROR(v8::Exception::Error, errmsg);
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanThrowError(
+      v8::Handle<v8::Value> error
+  ) {
+    NanScope();
+    return v8::Local<v8::Value>::New(v8::ThrowException(error));
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanError(
+      const char *msg
+    , const int errorNumber
+  ) {
+    v8::Local<v8::Value> err = v8::Exception::Error(v8::String::New(msg));
+    v8::Local<v8::Object> obj = err.As<v8::Object>();
+    obj->Set(v8::String::New("code"), v8::Int32::New(errorNumber));
+    return err;
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanThrowError(
+      const char *msg
+    , const int errorNumber
+  ) {
+    return NanThrowError(NanError(msg, errorNumber));
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanTypeError(const char* errmsg) {
+    return _NAN_ERROR(v8::Exception::TypeError, errmsg);
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanThrowTypeError(
+      const char* errmsg
+  ) {
+    _NAN_THROW_ERROR(v8::Exception::TypeError, errmsg);
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanRangeError(
+      const char* errmsg
+  ) {
+    return _NAN_ERROR(v8::Exception::RangeError, errmsg);
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanThrowRangeError(
+      const char* errmsg
+  ) {
+    _NAN_THROW_ERROR(v8::Exception::RangeError, errmsg);
+  }
+
+  template<typename T>
+  NAN_INLINE void NanDisposePersistent(
+      v8::Persistent<T> &handle) {  // NOLINT(runtime/references)
+    handle.Dispose();
+    handle.Clear();
+  }
+
+  NAN_INLINE v8::Local<v8::Object> NanNewBufferHandle (
+      char *data
+    , size_t length
+    , node::Buffer::free_callback callback
+    , void *hint
+  ) {
+    return NanNew(
+        node::Buffer::New(data, length, callback, hint)->handle_);
+  }
+
+  NAN_INLINE v8::Local<v8::Object> NanNewBufferHandle (
+      const char *data
+    , uint32_t size
+  ) {
+#if NODE_MODULE_VERSION >= 0x000B
+    return NanNew(node::Buffer::New(data, size)->handle_);
+#else
+    return NanNew(
+      node::Buffer::New(const_cast<char*>(data), size)->handle_);
+#endif
+  }
+
+  NAN_INLINE v8::Local<v8::Object> NanNewBufferHandle (uint32_t size) {
+    return NanNew(node::Buffer::New(size)->handle_);
+  }
+
+  NAN_INLINE void FreeData(char *data, void *hint) {
+    delete[] data;
+  }
+
+  NAN_INLINE v8::Local<v8::Object> NanBufferUse(
+      char* data
+    , uint32_t size
+  ) {
+    return NanNew(
+        node::Buffer::New(data, size, FreeData, NULL)->handle_);
+  }
+
+  NAN_INLINE bool NanHasInstance(
+      v8::Persistent<v8::FunctionTemplate>& function_template
+    , v8::Handle<v8::Value> value
+  ) {
+    return function_template->HasInstance(value);
+  }
+
+  NAN_INLINE v8::Local<v8::Context> NanNewContextHandle(
+      v8::ExtensionConfiguration* extensions = NULL
+    , v8::Handle<v8::ObjectTemplate> tmpl = v8::Handle<v8::ObjectTemplate>()
+    , v8::Handle<v8::Value> obj = v8::Handle<v8::Value>()
+  ) {
+    v8::Persistent<v8::Context> ctx = v8::Context::New(extensions, tmpl, obj);
+    v8::Local<v8::Context> lctx = NanNew(ctx);
+    ctx.Dispose();
+    return lctx;
+  }
+
+  NAN_INLINE v8::Local<NanBoundScript> NanCompileScript(
+      v8::Local<v8::String> s
+    , const v8::ScriptOrigin& origin
+  ) {
+    return v8::Script::Compile(s, const_cast<v8::ScriptOrigin *>(&origin));
+  }
+
+  NAN_INLINE v8::Local<NanBoundScript> NanCompileScript(
+    v8::Local<v8::String> s
+  ) {
+    return v8::Script::Compile(s);
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanRunScript(v8::Handle<v8::Script> script) {
+    return script->Run();
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanMakeCallback(
+      v8::Handle<v8::Object> target
+    , v8::Handle<v8::Function> func
+    , int argc
+    , v8::Handle<v8::Value>* argv) {
+# if NODE_VERSION_AT_LEAST(0, 8, 0)
+    return NanNew(node::MakeCallback(target, func, argc, argv));
+# else
+    v8::TryCatch try_catch;
+    v8::Local<v8::Value> result = NanNew(func->Call(target, argc, argv));
+    if (try_catch.HasCaught()) {
+        node::FatalException(try_catch);
+    }
+    return result;
+# endif
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanMakeCallback(
+      v8::Handle<v8::Object> target
+    , v8::Handle<v8::String> symbol
+    , int argc
+    , v8::Handle<v8::Value>* argv) {
+# if NODE_VERSION_AT_LEAST(0, 8, 0)
+    return NanNew(node::MakeCallback(target, symbol, argc, argv));
+# else
+    v8::Local<v8::Function> callback = target->Get(symbol).As<v8::Function>();
+    return NanMakeCallback(target, callback, argc, argv);
+# endif
+  }
+
+  NAN_INLINE v8::Local<v8::Value> NanMakeCallback(
+      v8::Handle<v8::Object> target
+    , const char* method
+    , int argc
+    , v8::Handle<v8::Value>* argv) {
+# if NODE_VERSION_AT_LEAST(0, 8, 0)
+    return NanNew(node::MakeCallback(target, method, argc, argv));
+# else
+    return NanMakeCallback(target, NanNew(method), argc, argv);
+# endif
+  }
+
+  template<typename T>
+  NAN_INLINE void NanSetIsolateData(
+      v8::Isolate *isolate
+    , T *data
+  ) {
+      isolate->SetData(data);
+  }
+
+  template<typename T>
+  NAN_INLINE T *NanGetIsolateData(
+      v8::Isolate *isolate
+  ) {
+      return static_cast<T*>(isolate->GetData());
+  }
+
+  class NanAsciiString {
+   public:
+    NAN_INLINE explicit NanAsciiString(v8::Handle<v8::Value> from) {
+      v8::Local<v8::String> toStr = from->ToString();
+      int buf_size = toStr->Length() + 1;
+      buf = new char[buf_size];
+      size = toStr->WriteAscii(buf, 0, buf_size);
+    }
+
+    NAN_INLINE int Size() const {
+      return size;
+    }
+
+    NAN_INLINE char* operator*() { return buf; }
+
+    NAN_INLINE ~NanAsciiString() {
+      delete[] buf;
+    }
+
+   private:
+    char *buf;
+    int size;
+  };
+
+  class NanUtf8String {
+   public:
+    NAN_INLINE explicit NanUtf8String(v8::Handle<v8::Value> from) {
+      v8::Local<v8::String> toStr = from->ToString();
+      int buf_size = toStr->Utf8Length() + 1;
+      buf = new char[buf_size];
+      size = toStr->WriteUtf8(buf, buf_size);
+    }
+
+    NAN_INLINE int Size() const {
+      return size;
+    }
+
+    NAN_INLINE char* operator*() { return buf; }
+
+    NAN_INLINE ~NanUtf8String() {
+      delete[] buf;
+    }
+
+   private:
+    char *buf;
+    int size;
+  };
+
+  class NanUcs2String {
+   public:
+    NAN_INLINE explicit NanUcs2String(v8::Handle<v8::Value> from) {
+      v8::Local<v8::String> toStr = from->ToString();
+      int buf_size = toStr->Length() + 1;
+      buf = new uint16_t[buf_size];
+      size = toStr->Write(buf, 0, buf_size);
+    }
+
+    NAN_INLINE int Size() const {
+      return size;
+    }
+
+    NAN_INLINE uint16_t* operator*() { return buf; }
+
+    NAN_INLINE ~NanUcs2String() {
+      delete[] buf;
+    }
+
+   private:
+    uint16_t *buf;
+    int size;
+  };
+
+#endif  // NODE_MODULE_VERSION
+
+typedef void (*NanFreeCallback)(char *data, void *hint);
+
+#define NAN_METHOD(name) _NAN_METHOD_RETURN_TYPE name(_NAN_METHOD_ARGS)
+#define NAN_GETTER(name)                                                       \
+    _NAN_GETTER_RETURN_TYPE name(                                              \
+        v8::Local<v8::String> property                                         \
+      , _NAN_GETTER_ARGS)
+#define NAN_SETTER(name)                                                       \
+    _NAN_SETTER_RETURN_TYPE name(                                              \
+        v8::Local<v8::String> property                                         \
+      , v8::Local<v8::Value> value                                             \
+      , _NAN_SETTER_ARGS)
+#define NAN_PROPERTY_GETTER(name)                                              \
+    _NAN_PROPERTY_GETTER_RETURN_TYPE name(                                     \
+        v8::Local<v8::String> property                                         \
+      , _NAN_PROPERTY_GETTER_ARGS)
+#define NAN_PROPERTY_SETTER(name)                                              \
+    _NAN_PROPERTY_SETTER_RETURN_TYPE name(                                     \
+        v8::Local<v8::String> property                                         \
+      , v8::Local<v8::Value> value                                             \
+      , _NAN_PROPERTY_SETTER_ARGS)
+#define NAN_PROPERTY_ENUMERATOR(name)                                          \
+    _NAN_PROPERTY_ENUMERATOR_RETURN_TYPE name(_NAN_PROPERTY_ENUMERATOR_ARGS)
+#define NAN_PROPERTY_DELETER(name)                                             \
+    _NAN_PROPERTY_DELETER_RETURN_TYPE name(                                    \
+        v8::Local<v8::String> property                                         \
+      , _NAN_PROPERTY_DELETER_ARGS)
+#define NAN_PROPERTY_QUERY(name)                                               \
+    _NAN_PROPERTY_QUERY_RETURN_TYPE name(                                      \
+        v8::Local<v8::String> property                                         \
+      , _NAN_PROPERTY_QUERY_ARGS)
+# define NAN_INDEX_GETTER(name)                                                \
+    _NAN_INDEX_GETTER_RETURN_TYPE name(uint32_t index, _NAN_INDEX_GETTER_ARGS)
+#define NAN_INDEX_SETTER(name)                                                 \
+    _NAN_INDEX_SETTER_RETURN_TYPE name(                                        \
+        uint32_t index                                                         \
+      , v8::Local<v8::Value> value                                             \
+      , _NAN_INDEX_SETTER_ARGS)
+#define NAN_INDEX_ENUMERATOR(name)                                             \
+    _NAN_INDEX_ENUMERATOR_RETURN_TYPE name(_NAN_INDEX_ENUMERATOR_ARGS)
+#define NAN_INDEX_DELETER(name)                                                \
+    _NAN_INDEX_DELETER_RETURN_TYPE name(                                       \
+        uint32_t index                                                         \
+      , _NAN_INDEX_DELETER_ARGS)
+#define NAN_INDEX_QUERY(name)                                                  \
+    _NAN_INDEX_QUERY_RETURN_TYPE name(uint32_t index, _NAN_INDEX_QUERY_ARGS)
+
+class NanCallback {
+ public:
+  NanCallback() {
+    NanScope();
+    v8::Local<v8::Object> obj = NanNew<v8::Object>();
+    NanAssignPersistent(handle, obj);
+  }
+
+  explicit NanCallback(const v8::Handle<v8::Function> &fn) {
+    NanScope();
+    v8::Local<v8::Object> obj = NanNew<v8::Object>();
+    NanAssignPersistent(handle, obj);
+    SetFunction(fn);
+  }
+
+  ~NanCallback() {
+    if (handle.IsEmpty()) return;
+    NanDisposePersistent(handle);
+  }
+
+  NAN_INLINE void SetFunction(const v8::Handle<v8::Function> &fn) {
+    NanScope();
+    NanNew(handle)->Set(kCallbackIndex, fn);
+  }
+
+  NAN_INLINE v8::Local<v8::Function> GetFunction() const {
+    NanEscapableScope();
+    return NanEscapeScope(NanNew(handle)->Get(kCallbackIndex)
+        .As<v8::Function>());
+  }
+
+  NAN_INLINE bool IsEmpty() const {
+    NanScope();
+    return NanNew(handle)->Get(kCallbackIndex)->IsUndefined();
+  }
+
+  v8::Handle<v8::Value> Call(int argc, v8::Handle<v8::Value> argv[]) const {
+    NanEscapableScope();
+#if (NODE_MODULE_VERSION > 0x000B)  // 0.11.12+
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();
+    v8::Local<v8::Function> callback = NanNew(handle)->
+        Get(kCallbackIndex).As<v8::Function>();
+    return NanEscapeScope(node::MakeCallback(
+        isolate
+      , isolate->GetCurrentContext()->Global()
+      , callback
+      , argc
+      , argv
+    ));
+#else
+#if NODE_VERSION_AT_LEAST(0, 8, 0)
+    v8::Local<v8::Function> callback = handle->
+        Get(kCallbackIndex).As<v8::Function>();
+    return NanEscapeScope(node::MakeCallback(
+        v8::Context::GetCurrent()->Global()
+      , callback
+      , argc
+      , argv
+    ));
+#else
+    v8::Local<v8::Function> callback = handle->
+        Get(kCallbackIndex).As<v8::Function>();
+    return NanEscapeScope(NanMakeCallback(
+        v8::Context::GetCurrent()->Global(), callback, argc, argv));
+#endif
+#endif
+  }
+
+ private:
+  v8::Persistent<v8::Object> handle;
+  static const uint32_t kCallbackIndex = 0;
+};
+
+/* abstract */ class NanAsyncWorker {
+ public:
+  explicit NanAsyncWorker(NanCallback *callback)
+      : callback(callback), errmsg_(NULL) {
+    request.data = this;
+
+    NanScope();
+    v8::Local<v8::Object> obj = NanNew<v8::Object>();
+    NanAssignPersistent(persistentHandle, obj);
+  }
+
+  virtual ~NanAsyncWorker() {
+    NanScope();
+
+    if (!persistentHandle.IsEmpty())
+      NanDisposePersistent(persistentHandle);
+    if (callback)
+      delete callback;
+    if (errmsg_)
+      delete[] errmsg_;
+  }
+
+  virtual void WorkComplete() {
+    NanScope();
+
+    if (errmsg_ == NULL)
+      HandleOKCallback();
+    else
+      HandleErrorCallback();
+    delete callback;
+    callback = NULL;
+  }
+
+  NAN_INLINE void SaveToPersistent(
+      const char *key, const v8::Local<v8::Object> &obj) {
+    v8::Local<v8::Object> handle = NanNew(persistentHandle);
+    handle->Set(NanNew<v8::String>(key), obj);
+  }
+
+  v8::Local<v8::Object> GetFromPersistent(const char *key) const {
+    NanEscapableScope();
+    v8::Local<v8::Object> handle = NanNew(persistentHandle);
+    return NanEscapeScope(handle->Get(NanNew(key)).As<v8::Object>());
+  }
+
+  virtual void Execute() = 0;
+
+  uv_work_t request;
+
+ protected:
+  v8::Persistent<v8::Object> persistentHandle;
+  NanCallback *callback;
+
+  virtual void HandleOKCallback() {
+    NanScope();
+
+    callback->Call(0, NULL);
+  }
+
+  virtual void HandleErrorCallback() {
+    NanScope();
+
+    v8::Local<v8::Value> argv[] = {
+        v8::Exception::Error(NanNew<v8::String>(ErrorMessage()))
+    };
+    callback->Call(1, argv);
+  }
+
+  void SetErrorMessage(const char *msg) {
+    if (errmsg_) {
+      delete[] errmsg_;
+    }
+
+    size_t size = strlen(msg) + 1;
+    errmsg_ = new char[size];
+    memcpy(errmsg_, msg, size);
+  }
+
+  const char* ErrorMessage() const {
+    return errmsg_;
+  }
+
+ private:
+  char *errmsg_;
+};
+
+NAN_INLINE void NanAsyncExecute (uv_work_t* req) {
+  NanAsyncWorker *worker = static_cast<NanAsyncWorker*>(req->data);
+  worker->Execute();
+}
+
+NAN_INLINE void NanAsyncExecuteComplete (uv_work_t* req) {
+  NanAsyncWorker* worker = static_cast<NanAsyncWorker*>(req->data);
+  worker->WorkComplete();
+  delete worker;
+}
+
+NAN_INLINE void NanAsyncQueueWorker (NanAsyncWorker* worker) {
+  uv_queue_work(
+      uv_default_loop()
+    , &worker->request
+    , NanAsyncExecute
+    , (uv_after_work_cb)NanAsyncExecuteComplete
+  );
+}
+
+//// Base 64 ////
+
+#define _nan_base64_encoded_size(size) ((size + 2 - ((size + 2) % 3)) / 3 * 4)
+
+// Doesn't check for padding at the end.  Can be 1-2 bytes over.
+NAN_INLINE size_t _nan_base64_decoded_size_fast(size_t size) {
+  size_t remainder = size % 4;
+
+  size = (size / 4) * 3;
+  if (remainder) {
+    if (size == 0 && remainder == 1) {
+      // special case: 1-byte input cannot be decoded
+      size = 0;
+    } else {
+      // non-padded input, add 1 or 2 extra bytes
+      size += 1 + (remainder == 3);
+    }
+  }
+
+  return size;
+}
+
+template<typename T>
+NAN_INLINE size_t _nan_base64_decoded_size(
+    const T* src
+  , size_t size
+) {
+  if (size == 0)
+    return 0;
+
+  if (src[size - 1] == '=')
+    size--;
+  if (size > 0 && src[size - 1] == '=')
+    size--;
+
+  return _nan_base64_decoded_size_fast(size);
+}
+
+// supports regular and URL-safe base64
+static const int _nan_unbase64_table[] = {
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, -1, -1, -2, -1, -1
+  , -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+  , -2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, 62, -1, 63
+  , 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1
+  , -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14
+  , 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, 63
+  , -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40
+  , 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1
+  , -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+  , -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+  , -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+  , -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+  , -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+  , -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+  , -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+  , -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+#define _nan_unbase64(x) _nan_unbase64_table[(uint8_t)(x)]
+
+template<typename T> static size_t _nan_base64_decode(
+    char* buf
+  , size_t len
+  , const T* src
+  , const size_t srcLen
+) {
+  char* dst = buf;
+  char* dstEnd = buf + len;
+  const T* srcEnd = src + srcLen;
+
+  while (src < srcEnd && dst < dstEnd) {
+    ptrdiff_t remaining = srcEnd - src;
+    char a, b, c, d;
+
+    while (_nan_unbase64(*src) < 0 && src < srcEnd) src++, remaining--;
+    if (remaining == 0 || *src == '=') break;
+    a = _nan_unbase64(*src++);
+
+    while (_nan_unbase64(*src) < 0 && src < srcEnd) src++, remaining--;
+    if (remaining <= 1 || *src == '=') break;
+    b = _nan_unbase64(*src++);
+
+    *dst++ = (a << 2) | ((b & 0x30) >> 4);
+    if (dst == dstEnd) break;
+
+    while (_nan_unbase64(*src) < 0 && src < srcEnd) src++, remaining--;
+    if (remaining <= 2 || *src == '=') break;
+    c = _nan_unbase64(*src++);
+
+    *dst++ = ((b & 0x0F) << 4) | ((c & 0x3C) >> 2);
+    if (dst == dstEnd) break;
+
+    while (_nan_unbase64(*src) < 0 && src < srcEnd) src++, remaining--;
+    if (remaining <= 3 || *src == '=') break;
+    d = _nan_unbase64(*src++);
+
+    *dst++ = ((c & 0x03) << 6) | (d & 0x3F);
+  }
+
+  return dst - buf;
+}
+
+//// HEX ////
+
+template<typename T> unsigned _nan_hex2bin(T c) {
+  if (c >= '0' && c <= '9') return c - '0';
+  if (c >= 'A' && c <= 'F') return 10 + (c - 'A');
+  if (c >= 'a' && c <= 'f') return 10 + (c - 'a');
+  return static_cast<unsigned>(-1);
+}
+
+template<typename T> static size_t _nan_hex_decode(
+    char* buf
+  , size_t len
+  , const T* src
+  , const size_t srcLen
+) {
+  size_t i;
+  for (i = 0; i < len && i * 2 + 1 < srcLen; ++i) {
+    unsigned a = _nan_hex2bin(src[i * 2 + 0]);
+    unsigned b = _nan_hex2bin(src[i * 2 + 1]);
+    if (!~a || !~b) return i;
+    buf[i] = a * 16 + b;
+  }
+
+  return i;
+}
+
+static bool _NanGetExternalParts(
+    v8::Handle<v8::Value> val
+  , const char** data
+  , size_t* len
+) {
+  if (node::Buffer::HasInstance(val)) {
+    *data = node::Buffer::Data(val.As<v8::Object>());
+    *len = node::Buffer::Length(val.As<v8::Object>());
+    return true;
+  }
+
+  assert(val->IsString());
+  v8::Local<v8::String> str = NanNew(val.As<v8::String>());
+
+  if (str->IsExternalAscii()) {
+    const v8::String::ExternalAsciiStringResource* ext;
+    ext = str->GetExternalAsciiStringResource();
+    *data = ext->data();
+    *len = ext->length();
+    return true;
+
+  } else if (str->IsExternal()) {
+    const v8::String::ExternalStringResource* ext;
+    ext = str->GetExternalStringResource();
+    *data = reinterpret_cast<const char*>(ext->data());
+    *len = ext->length();
+    return true;
+  }
+
+  return false;
+}
+
+namespace Nan {
+  enum Encoding {ASCII, UTF8, BASE64, UCS2, BINARY, HEX, BUFFER};
+}
+
+/* NAN_DEPRECATED */ NAN_INLINE void* _NanRawString(
+    v8::Handle<v8::Value> from
+  , enum Nan::Encoding encoding
+  , size_t *datalen
+  , void *buf
+  , size_t buflen
+  , int flags
+) {
+  NanScope();
+
+  size_t sz_;
+  size_t term_len = !(flags & v8::String::NO_NULL_TERMINATION);
+  char *data = NULL;
+  size_t len;
+  bool is_extern = _NanGetExternalParts(
+      from
+    , const_cast<const char**>(&data)
+    , &len);
+
+  if (is_extern && !term_len) {
+    NanSetPointerSafe(datalen, len);
+    return data;
+  }
+
+  v8::Local<v8::String> toStr = from->ToString();
+
+  char *to = static_cast<char *>(buf);
+
+  switch (encoding) {
+    case Nan::ASCII:
+#if NODE_MODULE_VERSION < 0x000C
+      sz_ = toStr->Length();
+      if (to == NULL) {
+        to = new char[sz_ + term_len];
+      } else {
+        assert(buflen >= sz_ + term_len && "too small buffer");
+      }
+      NanSetPointerSafe<size_t>(
+          datalen
+        , toStr->WriteAscii(to, 0, static_cast<int>(sz_ + term_len), flags));
+      return to;
+#endif
+    case Nan::BINARY:
+    case Nan::BUFFER:
+      sz_ = toStr->Length();
+      if (to == NULL) {
+        to = new char[sz_ + term_len];
+      } else {
+        assert(buflen >= sz_ + term_len && "too small buffer");
+      }
+#if NODE_MODULE_VERSION < 0x000C
+      {
+        uint16_t* twobytebuf = new uint16_t[sz_ + term_len];
+
+        size_t len = toStr->Write(twobytebuf, 0,
+          static_cast<int>(sz_ + term_len), flags);
+
+        for (size_t i = 0; i < sz_ + term_len && i < len + term_len; i++) {
+          unsigned char *b = reinterpret_cast<unsigned char*>(&twobytebuf[i]);
+          to[i] = *b;
+        }
+
+        NanSetPointerSafe<size_t>(datalen, len);
+
+        delete[] twobytebuf;
+        return to;
+      }
+#else
+      NanSetPointerSafe<size_t>(
+        datalen,
+        toStr->WriteOneByte(
+            reinterpret_cast<uint8_t *>(to)
+          , 0
+          , static_cast<int>(sz_ + term_len)
+          , flags));
+      return to;
+#endif
+    case Nan::UTF8:
+      sz_ = toStr->Utf8Length();
+      if (to == NULL) {
+        to = new char[sz_ + term_len];
+      } else {
+        assert(buflen >= sz_ + term_len && "too small buffer");
+      }
+      NanSetPointerSafe<size_t>(
+          datalen
+        , toStr->WriteUtf8(to, static_cast<int>(sz_ + term_len)
+            , NULL, flags)
+          - term_len);
+      return to;
+    case Nan::BASE64:
+      {
+        v8::String::Value value(toStr);
+        sz_ = _nan_base64_decoded_size(*value, value.length());
+        if (to == NULL) {
+          to = new char[sz_ + term_len];
+        } else {
+          assert(buflen >= sz_ + term_len);
+        }
+        NanSetPointerSafe<size_t>(
+            datalen
+          , _nan_base64_decode(to, sz_, *value, value.length()));
+        if (term_len) {
+          to[sz_] = '\0';
+        }
+        return to;
+      }
+    case Nan::UCS2:
+      {
+        sz_ = toStr->Length();
+        if (to == NULL) {
+          to = new char[(sz_ + term_len) * 2];
+        } else {
+          assert(buflen >= (sz_ + term_len) * 2 && "too small buffer");
+        }
+
+        int bc = 2 * toStr->Write(
+            reinterpret_cast<uint16_t *>(to)
+          , 0
+          , static_cast<int>(sz_ + term_len)
+          , flags);
+        NanSetPointerSafe<size_t>(datalen, bc);
+        return to;
+      }
+    case Nan::HEX:
+      {
+        v8::String::Value value(toStr);
+        sz_ = value.length();
+        assert(!(sz_ & 1) && "bad hex data");
+        if (to == NULL) {
+          to = new char[sz_ / 2 + term_len];
+        } else {
+          assert(buflen >= sz_ / 2 + term_len && "too small buffer");
+        }
+        NanSetPointerSafe<size_t>(
+            datalen
+          , _nan_hex_decode(to, sz_ / 2, *value, value.length()));
+      }
+      if (term_len) {
+        to[sz_ / 2] = '\0';
+      }
+      return to;
+    default:
+      assert(0 && "unknown encoding");
+  }
+  return to;
+}
+
+NAN_DEPRECATED NAN_INLINE void* NanRawString(
+    v8::Handle<v8::Value> from
+  , enum Nan::Encoding encoding
+  , size_t *datalen
+  , void *buf
+  , size_t buflen
+  , int flags
+) {
+  return _NanRawString(from, encoding, datalen, buf, buflen, flags);
+}
+
+
+NAN_DEPRECATED NAN_INLINE char* NanCString(
+    v8::Handle<v8::Value> from
+  , size_t *datalen
+  , char *buf = NULL
+  , size_t buflen = 0
+  , int flags = v8::String::NO_OPTIONS
+) {
+    return static_cast<char *>(
+      _NanRawString(from, Nan::UTF8, datalen, buf, buflen, flags)
+    );
+}
+
+NAN_INLINE void NanSetPrototypeTemplate(
+    v8::Local<v8::FunctionTemplate> templ
+  , const char *name
+  , v8::Handle<v8::Data> value
+) {
+  NanSetTemplate(templ->PrototypeTemplate(), name, value);
+}
+
+NAN_INLINE void NanSetPrototypeTemplate(
+    v8::Local<v8::FunctionTemplate> templ
+  , v8::Handle<v8::String> name
+  , v8::Handle<v8::Data> value
+  , v8::PropertyAttribute attributes
+) {
+  NanSetTemplate(templ->PrototypeTemplate(), name, value, attributes);
+}
+
+NAN_INLINE void NanSetInstanceTemplate(
+    v8::Local<v8::FunctionTemplate> templ
+  , const char *name
+  , v8::Handle<v8::Data> value
+) {
+  NanSetTemplate(templ->InstanceTemplate(), name, value);
+}
+
+NAN_INLINE void NanSetInstanceTemplate(
+    v8::Local<v8::FunctionTemplate> templ
+  , v8::Handle<v8::String> name
+  , v8::Handle<v8::Data> value
+  , v8::PropertyAttribute attributes
+) {
+  NanSetTemplate(templ->InstanceTemplate(), name, value, attributes);
+}
+
+#endif  // NAN_H_