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/*
* Copyright (C) 2014-2020 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/URL.h>
namespace IPC {
template<typename T, typename> struct ArgumentCoder;
}
namespace WebCore {
class BlobPart {
private:
friend struct IPC::ArgumentCoder<BlobPart, void>;
public:
enum class Type : bool {
Data,
Blob
};
BlobPart()
: m_dataOrURL(Vector<uint8_t> { })
{
}
BlobPart(Vector<uint8_t>&& data)
: m_dataOrURL(WTFMove(data))
{
}
BlobPart(const URL& url)
: m_dataOrURL(url)
{
}
Type type() const
{
return std::holds_alternative<URL>(m_dataOrURL) ? Type::Blob : Type::Data;
}
Vector<uint8_t>&& moveData()
{
ASSERT(std::holds_alternative<Vector<uint8_t>>(m_dataOrURL));
return WTFMove(std::get<Vector<uint8_t>>(m_dataOrURL));
}
const URL& url() const
{
ASSERT(std::holds_alternative<URL>(m_dataOrURL));
return std::get<URL>(m_dataOrURL);
}
void detachFromCurrentThread()
{
if (std::holds_alternative<URL>(m_dataOrURL))
m_dataOrURL = std::get<URL>(m_dataOrURL).isolatedCopy();
}
private:
BlobPart(std::variant<Vector<uint8_t>, URL>&& dataOrURL)
: m_dataOrURL(WTFMove(dataOrURL))
{
}
std::variant<Vector<uint8_t>, URL> m_dataOrURL;
};
} // namespace WebCore
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