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

#ifndef NAN_IMPLEMENTATION_PRE_12_INL_H_
#define NAN_IMPLEMENTATION_PRE_12_INL_H_

//==============================================================================
// node v0.10 implementation
//==============================================================================

namespace imp {

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

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

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

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

Factory::return_t
Factory::New(bool value) {
  return v8::Boolean::New(value)->ToBoolean();
}

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

Factory::return_t
Factory::New(bool value) {
  return v8::BooleanObject::New(value).As();
}

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

Factory::return_t
Factory::New( v8::ExtensionConfiguration* extensions
                         , v8::Local tmpl
                         , v8::Local obj) {
  v8::Persistent ctx = v8::Context::New(extensions, tmpl, obj);
  v8::Local lctx = v8::Local::New(ctx);
  ctx.Dispose();
  return lctx;
}

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

Factory::return_t
Factory::New(double value) {
  return v8::Date::New(value).As();
}

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

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

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

Factory::return_t
Factory::New( FunctionCallback callback
                          , v8::Local data) {
  v8::HandleScope scope;

  return scope.Close(Factory::New(
                         callback, data, v8::Local())
                         ->GetFunction());
}


//=== FunctionTemplate =========================================================

Factory::return_t
Factory::New( FunctionCallback callback
                                  , v8::Local data
                                  , v8::Local signature) {
  if (callback) {
    v8::HandleScope scope;

    v8::Local tpl = v8::ObjectTemplate::New();
    tpl->SetInternalFieldCount(imp::kFunctionFieldCount);
    v8::Local obj = tpl->NewInstance();

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

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

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

    // Note(agnat): Emulate length argument here. Unfortunately, I couldn't find
    // a way. Have at it though...
    return scope.Close(
        v8::FunctionTemplate::New(imp::FunctionCallbackWrapper
                                 , obj
                                 , signature));
  } else {
    return v8::FunctionTemplate::New(0, data, signature);
  }
}

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

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

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

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

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

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

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

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

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


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

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

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

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

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

Factory::return_t
Factory::New(
    v8::Local pattern
  , v8::RegExp::Flags flags) {
  return v8::RegExp::New(pattern, flags);
}

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

Factory::return_t
Factory::New( v8::Local source) {
  return v8::Script::New(source);
}
Factory::return_t
Factory::New( v8::Local source
                        , v8::ScriptOrigin const& origin) {
  return v8::Script::New(source, const_cast(&origin));
}

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

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

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

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

Factory::return_t
Factory::New(const char * value, int length) {
  return v8::String::New(value, 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::New(value.data(), static_cast(value.size()));
}

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

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

Factory::return_t
Factory::New(v8::String::ExternalAsciiStringResource * value) {
  return v8::String::NewExternal(value);
}

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

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

}  // end of namespace imp

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

template 
inline v8::Local New(v8::Handle h) {
  return v8::Local::New(h);
}

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

template 
inline v8::Local New(Persistent const& p) {
  return v8::Local::New(p.persistent);
}

template 
inline v8::Local New(Global const& p) {
  return v8::Local::New(p.persistent);
}

#endif  // NAN_IMPLEMENTATION_PRE_12_INL_H_