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