100 lines
3.8 KiB
C++
100 lines
3.8 KiB
C++
/*
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* Copyright (C) 2015 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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#if ENABLE(CONTENT_EXTENSIONS)
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#include "CachedResource.h"
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#include <wtf/OptionSet.h>
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#include <wtf/URL.h>
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namespace WebCore {
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namespace ContentExtensions {
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enum class ResourceType : uint16_t {
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Document = 0x0001,
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Image = 0x0002,
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StyleSheet = 0x0004,
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Script = 0x0008,
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Font = 0x0010,
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SVGDocument = 0x0020,
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Media = 0x0040,
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Popup = 0x0080,
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Ping = 0x0100,
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Fetch = 0x0200,
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WebSocket = 0x0400,
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Other = 0x0800,
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};
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const uint16_t ResourceTypeMask = 0x0FFF;
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enum class LoadType : uint16_t {
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FirstParty = 0x1000,
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ThirdParty = 0x2000,
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};
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const uint16_t LoadTypeMask = 0x3000;
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enum class LoadContext : uint16_t {
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TopFrame = 0x4000,
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ChildFrame = 0x8000,
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};
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const uint16_t LoadContextMask = 0xC000;
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static_assert(!(ResourceTypeMask & LoadTypeMask), "ResourceTypeMask and LoadTypeMask should be mutually exclusive because they are stored in the same uint16_t");
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static_assert(!(ResourceTypeMask & LoadContextMask), "ResourceTypeMask and LoadContextMask should be mutually exclusive because they are stored in the same uint16_t");
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static_assert(!(LoadContextMask & LoadTypeMask), "LoadContextMask and LoadTypeMask should be mutually exclusive because they are stored in the same uint16_t");
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typedef uint16_t ResourceFlags;
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// The first 32 bits of a uint64_t action are used for the action location.
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// The next 16 bits are used for the flags (ResourceType and LoadType).
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// The next bit is used to mark actions that are from a rule with an if-domain.
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// Actions from rules with unless-domain conditions are distinguished from
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// rules with if-domain conditions by not having this bit set.
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// Actions from rules with no conditions are put in the DFA without conditions.
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// The values -1 and -2 are used for removed and empty values in HashTables.
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const uint64_t ActionFlagMask = 0x0000FFFF00000000;
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const uint64_t IfConditionFlag = 0x0001000000000000;
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OptionSet<ResourceType> toResourceType(CachedResource::Type, ResourceRequestBase::Requester);
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std::optional<OptionSet<ResourceType>> readResourceType(StringView);
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std::optional<OptionSet<LoadType>> readLoadType(StringView);
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std::optional<OptionSet<LoadContext>> readLoadContext(StringView);
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struct ResourceLoadInfo {
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URL resourceURL;
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URL mainDocumentURL;
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OptionSet<ResourceType> type;
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bool mainFrameContext { false };
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bool isThirdParty() const;
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ResourceFlags getResourceFlags() const;
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};
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} // namespace ContentExtensions
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} // namespace WebCore
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#endif
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