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/*********************************************************************
 * NAN - Native Abstractions for Node.js
 *
 * Copyright (c) 2017 NAN contributors
 *
 * MIT License 
 ********************************************************************/

#ifndef NAN_IMPLEMENTATION_12_INL_H_
#define NAN_IMPLEMENTATION_12_INL_H_
//==============================================================================
// node v0.11 implementation
//==============================================================================

namespace imp {

//=== Array ====================================================================

Factory::return_t
Factory::New() {
  return v8::Array::New(v8::Isolate::GetCurrent());
}

Factory::return_t
Factory::New(int length) {
  return v8::Array::New(v8::Isolate::GetCurrent(), length);
}

//=== Boolean ==================================================================

Factory::return_t
Factory::New(bool value) {
  return v8::Boolean::New(v8::Isolate::GetCurrent(), value);
}

//=== Boolean Object ===========================================================

Factory::return_t
Factory::New(bool value) {
#if (NODE_MODULE_VERSION >= NODE_6_0_MODULE_VERSION)
  return v8::BooleanObject::New(
    v8::Isolate::GetCurrent(), value).As();
#else
  return v8::BooleanObject::New(value).As();
#endif
}

//=== Context ==================================================================

Factory::return_t
Factory::New( v8::ExtensionConfiguration* extensions
                         , v8::Local tmpl
                         , v8::Local obj) {
  return v8::Context::New(v8::Isolate::GetCurrent(), extensions, tmpl, obj);
}

//=== Date =====================================================================

#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
Factory::return_t
Factory::New(double value) {
  v8::Isolate *isolate = v8::Isolate::GetCurrent();
  v8::EscapableHandleScope scope(isolate);
  return scope.Escape(v8::Date::New(isolate->GetCurrentContext(), value)
      .FromMaybe(v8::Local()).As());
}
#else
Factory::return_t
Factory::New(double value) {
  return v8::Date::New(v8::Isolate::GetCurrent(), value).As();
}
#endif

//=== External =================================================================

Factory::return_t
Factory::New(void * value) {
  return v8::External::New(v8::Isolate::GetCurrent(), value);
}

//=== Function =================================================================

Factory::return_t
Factory::New( FunctionCallback callback
                          , v8::Local data) {
  v8::Isolate *isolate = v8::Isolate::GetCurrent();
  v8::EscapableHandleScope scope(isolate);
  v8::Local tpl = v8::ObjectTemplate::New(isolate);
  tpl->SetInternalFieldCount(imp::kFunctionFieldCount);
  v8::Local obj = NewInstance(tpl).ToLocalChecked();

  obj->SetInternalField(
      imp::kFunctionIndex
    , v8::External::New(isolate, reinterpret_cast(callback)));

  v8::Local val = v8::Local::New(isolate, data);

  if (!val.IsEmpty()) {
    obj->SetInternalField(imp::kDataIndex, val);
  }

  return scope.Escape(v8::Function::New( isolate
                          , imp::FunctionCallbackWrapper
                          , obj));
}

//=== Function Template ========================================================

Factory::return_t
Factory::New( FunctionCallback callback
                                  , v8::Local data
                                  , v8::Local signature) {
  v8::Isolate *isolate = v8::Isolate::GetCurrent();
  if (callback) {
    v8::EscapableHandleScope scope(isolate);
    v8::Local tpl = v8::ObjectTemplate::New(isolate);
    tpl->SetInternalFieldCount(imp::kFunctionFieldCount);
    v8::Local obj = NewInstance(tpl).ToLocalChecked();

    obj->SetInternalField(
        imp::kFunctionIndex
      , v8::External::New(isolate, reinterpret_cast(callback)));
    v8::Local val = v8::Local::New(isolate, data);

    if (!val.IsEmpty()) {
      obj->SetInternalField(imp::kDataIndex, val);
    }

    return scope.Escape(v8::FunctionTemplate::New( isolate
                                    , imp::FunctionCallbackWrapper
                                    , obj
                                    , signature));
  } else {
    return v8::FunctionTemplate::New(isolate, 0, data, signature);
  }
}

//=== Number ===================================================================

Factory::return_t
Factory::New(double value) {
  return v8::Number::New(v8::Isolate::GetCurrent(), value);
}

//=== Number Object ============================================================

Factory::return_t
Factory::New(double value) {
  return v8::NumberObject::New( v8::Isolate::GetCurrent()
                              , value).As();
}

//=== Integer, Int32 and Uint32 ================================================

template 
typename IntegerFactory::return_t
IntegerFactory::New(int32_t value) {
  return To(T::New(v8::Isolate::GetCurrent(), value));
}

template 
typename IntegerFactory::return_t
IntegerFactory::New(uint32_t value) {
  return To(T::NewFromUnsigned(v8::Isolate::GetCurrent(), value));
}

Factory::return_t
Factory::New(int32_t value) {
  return To(
      v8::Uint32::NewFromUnsigned(v8::Isolate::GetCurrent(), value));
}

Factory::return_t
Factory::New(uint32_t value) {
  return To(
      v8::Uint32::NewFromUnsigned(v8::Isolate::GetCurrent(), value));
}

//=== Object ===================================================================

Factory::return_t
Factory::New() {
  return v8::Object::New(v8::Isolate::GetCurrent());
}

//=== Object Template ==========================================================

Factory::return_t
Factory::New() {
  return v8::ObjectTemplate::New(v8::Isolate::GetCurrent());
}

//=== RegExp ===================================================================

#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
Factory::return_t
Factory::New(
    v8::Local pattern
  , v8::RegExp::Flags flags) {
  v8::Isolate *isolate = v8::Isolate::GetCurrent();
  v8::EscapableHandleScope scope(isolate);
  return scope.Escape(
      v8::RegExp::New(isolate->GetCurrentContext(), pattern, flags)
          .FromMaybe(v8::Local()));
}
#else
Factory::return_t
Factory::New(
    v8::Local pattern
  , v8::RegExp::Flags flags) {
  return v8::RegExp::New(pattern, flags);
}
#endif

//=== Script ===================================================================

#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
Factory::return_t
Factory::New( v8::Local source) {
  v8::Isolate *isolate = v8::Isolate::GetCurrent();
  v8::EscapableHandleScope scope(isolate);
  v8::ScriptCompiler::Source src(source);
  return scope.Escape(
      v8::ScriptCompiler::Compile(isolate->GetCurrentContext(), &src)
          .FromMaybe(v8::Local()));
}

Factory::return_t
Factory::New( v8::Local source
                        , v8::ScriptOrigin const& origin) {
  v8::Isolate *isolate = v8::Isolate::GetCurrent();
  v8::EscapableHandleScope scope(isolate);
  v8::ScriptCompiler::Source src(source, origin);
  return scope.Escape(
      v8::ScriptCompiler::Compile(isolate->GetCurrentContext(), &src)
          .FromMaybe(v8::Local()));
}
#else
Factory::return_t
Factory::New( v8::Local source) {
  v8::ScriptCompiler::Source src(source);
  return v8::ScriptCompiler::Compile(v8::Isolate::GetCurrent(), &src);
}

Factory::return_t
Factory::New( v8::Local source
                        , v8::ScriptOrigin const& origin) {
  v8::ScriptCompiler::Source src(source, origin);
  return v8::ScriptCompiler::Compile(v8::Isolate::GetCurrent(), &src);
}
#endif

//=== Signature ================================================================

Factory::return_t
Factory::New(Factory::FTH receiver) {
  return v8::Signature::New(v8::Isolate::GetCurrent(), receiver);
}

//=== String ===================================================================

Factory::return_t
Factory::New() {
  return v8::String::Empty(v8::Isolate::GetCurrent());
}

#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
Factory::return_t
Factory::New(const char * value, int length) {
  return v8::String::NewFromUtf8(
      v8::Isolate::GetCurrent(), value, v8::NewStringType::kNormal, length);
}

Factory::return_t
Factory::New(std::string const& value) {
  assert(value.size() <= INT_MAX && "string too long");
  return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(),
      value.data(), v8::NewStringType::kNormal, static_cast(value.size()));
}

Factory::return_t
Factory::New(const uint16_t * value, int length) {
  return v8::String::NewFromTwoByte(v8::Isolate::GetCurrent(), value,
        v8::NewStringType::kNormal, length);
}

Factory::return_t
Factory::New(v8::String::ExternalStringResource * value) {
  return v8::String::NewExternalTwoByte(v8::Isolate::GetCurrent(), value);
}

Factory::return_t
Factory::New(ExternalOneByteStringResource * value) {
  return v8::String::NewExternalOneByte(v8::Isolate::GetCurrent(), value);
}
#else
Factory::return_t
Factory::New(const char * value, int length) {
  return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), value,
                                 v8::String::kNormalString, length);
}

Factory::return_t
Factory::New(
    std::string const& value) /* NOLINT(build/include_what_you_use) */ {
  assert(value.size() <= INT_MAX && "string too long");
  return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), value.data(),
                                 v8::String::kNormalString,
                                 static_cast(value.size()));
}

Factory::return_t
Factory::New(const uint16_t * value, int length) {
  return v8::String::NewFromTwoByte(v8::Isolate::GetCurrent(), value,
                                    v8::String::kNormalString, length);
}

Factory::return_t
Factory::New(v8::String::ExternalStringResource * value) {
  return v8::String::NewExternal(v8::Isolate::GetCurrent(), value);
}

Factory::return_t
Factory::New(ExternalOneByteStringResource * value) {
  return v8::String::NewExternal(v8::Isolate::GetCurrent(), value);
}
#endif

//=== String Object ============================================================

Factory::return_t
Factory::New(v8::Local value) {
  return v8::StringObject::New(value).As();
}

//=== Unbound Script ===========================================================

#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
Factory::return_t
Factory::New(v8::Local source) {
  v8::ScriptCompiler::Source src(source);
  return v8::ScriptCompiler::CompileUnboundScript(
      v8::Isolate::GetCurrent(), &src);
}

Factory::return_t
Factory::New( v8::Local source
                               , v8::ScriptOrigin const& origin) {
  v8::ScriptCompiler::Source src(source, origin);
  return v8::ScriptCompiler::CompileUnboundScript(
      v8::Isolate::GetCurrent(), &src);
}
#else
Factory::return_t
Factory::New(v8::Local source) {
  v8::ScriptCompiler::Source src(source);
  return v8::ScriptCompiler::CompileUnbound(v8::Isolate::GetCurrent(), &src);
}

Factory::return_t
Factory::New( v8::Local source
                               , v8::ScriptOrigin const& origin) {
  v8::ScriptCompiler::Source src(source, origin);
  return v8::ScriptCompiler::CompileUnbound(v8::Isolate::GetCurrent(), &src);
}
#endif

}  // end of namespace imp

//=== Presistents and Handles ==================================================

#if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION
template 
inline v8::Local New(v8::Handle h) {
  return v8::Local::New(v8::Isolate::GetCurrent(), h);
}
#endif

template 
inline v8::Local New(v8::Persistent const& p) {
  return v8::Local::New(v8::Isolate::GetCurrent(), p);
}

template 
inline v8::Local New(Persistent const& p) {
  return v8::Local::New(v8::Isolate::GetCurrent(), p);
}

template 
inline v8::Local New(Global const& p) {
  return v8::Local::New(v8::Isolate::GetCurrent(), p);
}

#endif  // NAN_IMPLEMENTATION_12_INL_H_