cfx_v8_array_buffer_allocator.h

Go to the documentation of this file.

// Copyright 2021 The PDFium Authors
// 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_ARRAY_BUFFER_ALLOCATOR_H_
#define FXJS_CFX_V8_ARRAY_BUFFER_ALLOCATOR_H_
 
#include <stddef.h>
 
#include <memory>
 
#include "v8/include/v8-array-buffer.h"
 
class CFX_V8ArrayBufferAllocator final : public v8::ArrayBuffer::Allocator {
 public:
  static const size_t kMaxAllowedBytes = 0x10000000;
 
  CFX_V8ArrayBufferAllocator();
  CFX_V8ArrayBufferAllocator(const CFX_V8ArrayBufferAllocator&) = delete;
  CFX_V8ArrayBufferAllocator(CFX_V8ArrayBufferAllocator&&) = delete;
  ~CFX_V8ArrayBufferAllocator() override;
 
  void* Allocate(size_t length) override;
  void* AllocateUninitialized(size_t length) override;
  void Free(void* data, size_t length) override;
 
#ifdef V8_ENABLE_SANDBOX
 private:
  std::unique_ptr<v8::ArrayBuffer::Allocator> wrapped_;
#endif  // V8_ENABLE_SANDBOX
};
 
#endif  // FXJS_CFX_V8_ARRAY_BUFFER_ALLOCATOR_H_