| 1 | /* |
| 2 | * Copyright (C) 2015 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 23 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #pragma once |
| 27 | |
| 28 | #if ENABLE(CONTENT_EXTENSIONS) |
| 29 | |
| 30 | #include "CachedResource.h" |
| 31 | #include <wtf/OptionSet.h> |
| 32 | #include <wtf/URL.h> |
| 33 | |
| 34 | namespace WebCore { |
| 35 | namespace ContentExtensions { |
| 36 | |
| 37 | enum class ResourceType : uint16_t { |
| 38 | Invalid = 0x0000, |
| 39 | Document = 0x0001, |
| 40 | Image = 0x0002, |
| 41 | StyleSheet = 0x0004, |
| 42 | Script = 0x0008, |
| 43 | Font = 0x0010, |
| 44 | Raw = 0x0020, |
| 45 | SVGDocument = 0x0040, |
| 46 | Media = 0x0080, |
| 47 | PlugInStream = 0x0100, |
| 48 | = 0x0200, |
| 49 | // 0x0400 and 0x0800 are used by LoadType. |
| 50 | Ping = 0x1000, |
| 51 | }; |
| 52 | const uint16_t ResourceTypeMask = 0x13FF; |
| 53 | |
| 54 | enum class LoadType : uint16_t { |
| 55 | Invalid = 0x0000, |
| 56 | FirstParty = 0x0400, |
| 57 | ThirdParty = 0x0800, |
| 58 | }; |
| 59 | const uint16_t LoadTypeMask = 0x0C00; |
| 60 | |
| 61 | static_assert(!(ResourceTypeMask & LoadTypeMask), "ResourceTypeMask and LoadTypeMask should be mutually exclusive because they are stored in the same uint16_t" ); |
| 62 | |
| 63 | typedef uint16_t ResourceFlags; |
| 64 | |
| 65 | // The first 32 bits of a uint64_t action are used for the action location. |
| 66 | // The next 16 bits are used for the flags (ResourceType and LoadType). |
| 67 | // The next bit is used to mark actions that are from a rule with an if-domain. |
| 68 | // Actions from rules with unless-domain conditions are distinguished from |
| 69 | // rules with if-domain conditions by not having this bit set. |
| 70 | // Actions from rules with no conditions are put in the DFA without conditions. |
| 71 | // The values -1 and -2 are used for removed and empty values in HashTables. |
| 72 | const uint64_t ActionFlagMask = 0x0000FFFF00000000; |
| 73 | const uint64_t IfConditionFlag = 0x0001000000000000; |
| 74 | |
| 75 | ResourceType toResourceType(CachedResource::Type); |
| 76 | uint16_t readResourceType(const String&); |
| 77 | uint16_t readLoadType(const String&); |
| 78 | |
| 79 | struct ResourceLoadInfo { |
| 80 | URL resourceURL; |
| 81 | URL mainDocumentURL; |
| 82 | OptionSet<ResourceType> type; |
| 83 | |
| 84 | bool isThirdParty() const; |
| 85 | ResourceFlags getResourceFlags() const; |
| 86 | }; |
| 87 | |
| 88 | } // namespace ContentExtensions |
| 89 | } // namespace WebCore |
| 90 | |
| 91 | #endif |
| 92 | |