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/*
* Copyright (C) 2019 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. ``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
* 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.
*/
#include "config.h"
#include "CachePayload.h"
namespace JSC {
CachePayload CachePayload::makeMappedPayload(FileSystem::MappedFileData&& data)
{
return CachePayload(WTFMove(data));
}
CachePayload CachePayload::makeMallocPayload(MallocPtr<uint8_t, VMMalloc>&& data, size_t size)
{
return CachePayload(std::pair { WTFMove(data), size });
}
CachePayload CachePayload::makeEmptyPayload()
{
return CachePayload(std::pair { nullptr, 0 });
}
CachePayload::CachePayload(CachePayload&& other)
{
m_data = WTFMove(other.m_data);
other.m_data = std::pair { nullptr, 0 };
}
CachePayload::CachePayload(Variant<FileSystem::MappedFileData, std::pair<MallocPtr<uint8_t, VMMalloc>, size_t>>&& data)
: m_data(WTFMove(data))
{
}
CachePayload::~CachePayload() = default;
const uint8_t* CachePayload::data() const
{
return WTF::switchOn(m_data,
[](const FileSystem::MappedFileData& data) {
return static_cast<const uint8_t*>(data.data());
},
[](const std::pair<MallocPtr<uint8_t, VMMalloc>, size_t>& data) {
return data.first.get();
});
}
size_t CachePayload::size() const
{
return WTF::switchOn(m_data,
[](const FileSystem::MappedFileData& data) {
return data.size();
},
[](const std::pair<MallocPtr<uint8_t, VMMalloc>, size_t>& data) {
return data.second;
});
}
} // namespace JSC
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