65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
/*
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* Copyright (C) 2018 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "FrameIdentifier.h"
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#include "PageIdentifier.h"
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namespace WebCore {
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// Frame identifier that is unique across all WebContent processes.
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struct GlobalFrameIdentifier {
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PageIdentifier pageID;
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FrameIdentifier frameID;
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static std::optional<GlobalFrameIdentifier> decode(Decoder&);
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};
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template<class Encoder>
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void GlobalFrameIdentifier::encode(Encoder& encoder) const
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{
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encoder << pageID << frameID;
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}
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template<class Decoder>
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std::optional<GlobalFrameIdentifier> GlobalFrameIdentifier::decode(Decoder& decoder)
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{
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std::optional<PageIdentifier> pageID;
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decoder >> pageID;
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if (!pageID)
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return std::nullopt;
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std::optional<FrameIdentifier> frameID;
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decoder >> frameID;
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if (!frameID)
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return std::nullopt;
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return { { WTFMove(*pageID), WTFMove(*frameID) } };
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}
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} // namespace WebCore
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