/* * Copyright (C) 2010 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include <wtf/Vector.h> namespace IPC { class Decoder; class Encoder; class DataReference { public: DataReference() = default; DataReference(const uint8_t* data, size_t size) : m_data(data) , m_size(size) { } template<size_t inlineCapacity> DataReference(const Vector<uint8_t, inlineCapacity>& vector) : m_data(vector.data()) , m_size(vector.size()) { } bool isEmpty() const { return !m_size; } size_t size() const { return m_size; } const uint8_t* data() const { if (isEmpty()) return nullptr; return m_data; } Vector<uint8_t> vector() const { Vector<uint8_t> result; result.append(m_data, m_size); return result; } void encode(Encoder&) const; static bool decode(Decoder&, DataReference&); private: const uint8_t* m_data { nullptr }; size_t m_size { 0 }; }; } // namespace IPC