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// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef FXJS_CFX_V8_H_
#define FXJS_CFX_V8_H_
#include <vector>
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/unowned_ptr.h"
#include "v8/include/v8.h"
class CFX_V8 {
public:
explicit CFX_V8(v8::Isolate* pIsolate);
virtual ~CFX_V8();
v8::Isolate* GetIsolate() const { return m_pIsolate.Get(); }
v8::Local<v8::Value> NewNull();
v8::Local<v8::Value> NewUndefined();
v8::Local<v8::Array> NewArray();
v8::Local<v8::Object> NewObject();
v8::Local<v8::Number> NewNumber(int number);
v8::Local<v8::Number> NewNumber(double number);
v8::Local<v8::Number> NewNumber(float number);
v8::Local<v8::Boolean> NewBoolean(bool b);
v8::Local<v8::String> NewString(const ByteStringView& str);
v8::Local<v8::String> NewString(const WideStringView& str);
v8::Local<v8::Date> NewDate(double d);
int ToInt32(v8::Local<v8::Value> pValue);
bool ToBoolean(v8::Local<v8::Value> pValue);
double ToDouble(v8::Local<v8::Value> pValue);
WideString ToWideString(v8::Local<v8::Value> pValue);
ByteString ToByteString(v8::Local<v8::Value> pValue);
v8::Local<v8::Object> ToObject(v8::Local<v8::Value> pValue);
v8::Local<v8::Array> ToArray(v8::Local<v8::Value> pValue);
// Arrays.
unsigned GetArrayLength(v8::Local<v8::Array> pArray);
v8::Local<v8::Value> GetArrayElement(v8::Local<v8::Array> pArray,
unsigned index);
unsigned PutArrayElement(v8::Local<v8::Array> pArray,
unsigned index,
v8::Local<v8::Value> pValue);
// Objects.
std::vector<WideString> GetObjectPropertyNames(v8::Local<v8::Object> pObj);
v8::Local<v8::Value> GetObjectProperty(v8::Local<v8::Object> pObj,
const WideString& PropertyName);
void PutObjectProperty(v8::Local<v8::Object> pObj,
const WideString& PropertyName,
v8::Local<v8::Value> pValue);
protected:
void SetIsolate(v8::Isolate* pIsolate) { m_pIsolate = pIsolate; }
void DisposeIsolate();
private:
UnownedPtr<v8::Isolate> m_pIsolate;
};
class CFX_V8ArrayBufferAllocator final : public v8::ArrayBuffer::Allocator {
static const size_t kMaxAllowedBytes = 0x10000000;
void* Allocate(size_t length) override;
void* AllocateUninitialized(size_t length) override;
void Free(void* data, size_t length) override;
};
// Use with std::unique_ptr<v8::Isolate> to dispose of isolates correctly.
struct CFX_V8IsolateDeleter {
inline void operator()(v8::Isolate* ptr) { ptr->Dispose(); }
};
#endif // FXJS_CFX_V8_H_
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