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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ToV8_h
#define ToV8_h
#include "bindings/core/v8/DOMDataStore.h"
#include "bindings/core/v8/ScriptValue.h"
#include "bindings/core/v8/ScriptWrappable.h"
#include "bindings/core/v8/V8Binding.h"
#include "platform/heap/Handle.h"
#include "wtf/Forward.h"
#include <v8.h>
namespace blink {
class DOMWindow;
class EventTarget;
class WorkerGlobalScope;
// ScriptWrappable
inline v8::Handle<v8::Value> toV8(ScriptWrappable* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
if (UNLIKELY(!impl))
return v8::Null(isolate);
v8::Handle<v8::Value> wrapper = DOMDataStore::getWrapper(impl, isolate);
if (!wrapper.IsEmpty())
return wrapper;
return impl->wrap(creationContext, isolate);
}
inline v8::Handle<v8::Value> toV8(Node* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
if (UNLIKELY(!impl))
return v8::Null(isolate);
v8::Handle<v8::Value> wrapper = DOMDataStore::getWrapper(impl, isolate);
if (!wrapper.IsEmpty())
return wrapper;
return ScriptWrappable::fromNode(impl)->wrap(creationContext, isolate);
}
// [Custom=ToV8]
v8::Handle<v8::Value> toV8(DOMWindow*, v8::Handle<v8::Object> creationContext, v8::Isolate*);
v8::Handle<v8::Value> toV8(EventTarget*, v8::Handle<v8::Object> creationContext, v8::Isolate*);
v8::Handle<v8::Value> toV8(WorkerGlobalScope*, v8::Handle<v8::Object> creationContext, v8::Isolate*);
// PassRefPtr, RawPtr and RefPtr
template<typename T>
inline v8::Handle<v8::Value> toV8(PassRefPtr<T> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8(impl.get(), creationContext, isolate);
}
template<typename T>
inline v8::Handle<v8::Value> toV8(RawPtr<T> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8(impl.get(), creationContext, isolate);
}
template<typename T>
inline v8::Handle<v8::Value> toV8(const RefPtr<T>& impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8(impl.get(), creationContext, isolate);
}
// Primitives
inline v8::Handle<v8::Value> toV8(const String& value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return v8String(isolate, value);
}
inline v8::Handle<v8::Value> toV8(const char* value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return v8String(isolate, value);
}
template<size_t sizeOfValue>
inline v8::Handle<v8::Value> toV8SignedIntegerInternal(int64_t value, v8::Isolate*);
template<>
inline v8::Handle<v8::Value> toV8SignedIntegerInternal<4>(int64_t value, v8::Isolate* isolate)
{
return v8::Integer::New(isolate, static_cast<int32_t>(value));
}
template<>
inline v8::Handle<v8::Value> toV8SignedIntegerInternal<8>(int64_t value, v8::Isolate* isolate)
{
int32_t valueIn32Bit = static_cast<int32_t>(value);
if (valueIn32Bit == value)
return v8::Integer::New(isolate, value);
// V8 doesn't have a 64-bit integer implementation.
return v8::Number::New(isolate, value);
}
template<size_t sizeOfValue>
inline v8::Handle<v8::Value> toV8UnsignedIntegerInternal(uint64_t value, v8::Isolate*);
template<>
inline v8::Handle<v8::Value> toV8UnsignedIntegerInternal<4>(uint64_t value, v8::Isolate* isolate)
{
return v8::Integer::NewFromUnsigned(isolate, static_cast<uint32_t>(value));
}
template<>
inline v8::Handle<v8::Value> toV8UnsignedIntegerInternal<8>(uint64_t value, v8::Isolate* isolate)
{
uint32_t valueIn32Bit = static_cast<uint32_t>(value);
if (valueIn32Bit == value)
return v8::Integer::NewFromUnsigned(isolate, value);
// V8 doesn't have a 64-bit integer implementation.
return v8::Number::New(isolate, value);
}
inline v8::Handle<v8::Value> toV8(int value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8SignedIntegerInternal<sizeof value>(value, isolate);
}
inline v8::Handle<v8::Value> toV8(long value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8SignedIntegerInternal<sizeof value>(value, isolate);
}
inline v8::Handle<v8::Value> toV8(long long value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8SignedIntegerInternal<sizeof value>(value, isolate);
}
inline v8::Handle<v8::Value> toV8(unsigned value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8UnsignedIntegerInternal<sizeof value>(value, isolate);
}
inline v8::Handle<v8::Value> toV8(unsigned long value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8UnsignedIntegerInternal<sizeof value>(value, isolate);
}
inline v8::Handle<v8::Value> toV8(unsigned long long value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8UnsignedIntegerInternal<sizeof value>(value, isolate);
}
inline v8::Handle<v8::Value> toV8(double value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return v8::Number::New(isolate, value);
}
inline v8::Handle<v8::Value> toV8(bool value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return v8::Boolean::New(isolate, value);
}
// Identity operator
inline v8::Handle<v8::Value> toV8(v8::Handle<v8::Value> value, v8::Handle<v8::Object> creationContext, v8::Isolate*)
{
return value;
}
// Undefined
struct ToV8UndefinedGenerator { }; // Used only for having toV8 return v8::Undefined.
inline v8::Handle<v8::Value> toV8(const ToV8UndefinedGenerator& value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return v8::Undefined(isolate);
}
// ScriptValue
inline v8::Handle<v8::Value> toV8(const ScriptValue& value, v8::Handle<v8::Object> creationContext, v8::Isolate*)
{
return value.v8Value();
}
// Array
template<typename Sequence>
inline v8::Handle<v8::Value> toV8SequenceInternal(const Sequence& sequence, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
v8::Local<v8::Array> array = v8::Array::New(isolate, sequence.size());
uint32_t index = 0;
typename Sequence::const_iterator end = sequence.end();
for (typename Sequence::const_iterator iter = sequence.begin(); iter != end; ++iter)
array->Set(v8::Integer::New(isolate, index++), toV8(*iter, creationContext, isolate));
return array;
}
template<typename T, size_t inlineCapacity>
inline v8::Handle<v8::Value> toV8(const Vector<T, inlineCapacity>& value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8SequenceInternal(value, creationContext, isolate);
}
template<typename T, size_t inlineCapacity>
inline v8::Handle<v8::Value> toV8(const HeapVector<T, inlineCapacity>& value, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8SequenceInternal(value, creationContext, isolate);
}
} // namespace blink
#endif // ToV8_h
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