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 | |