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// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef BIN_IO_BUFFER_H_
#define BIN_IO_BUFFER_H_
#include "platform/globals.h"
#include "include/dart_api.h"
namespace dart {
namespace bin {
class IOBuffer {
public:
// Allocate an IO buffer dart object (of type Uint8List) backed by
// an external byte array.
static Dart_Handle Allocate(intptr_t size, uint8_t **buffer);
// Allocate IO buffer storage.
static uint8_t* Allocate(intptr_t size);
// Function for disposing of IO buffer storage. All backing storage
// for IO buffers must be freed using this function.
static void Free(void* buffer) {
delete[] reinterpret_cast<uint8_t*>(buffer);
}
// Function for finalizing external byte arrays used as IO buffers.
static void Finalizer(void* isolate_callback_data,
Dart_WeakPersistentHandle handle,
void* buffer) {
Free(buffer);
}
private:
DISALLOW_ALLOCATION();
DISALLOW_IMPLICIT_CONSTRUCTORS(IOBuffer);
};
} // namespace bin
} // namespace dart
#endif // BIN_IO_BUFFER_H_