The Tor Browser / file comparison
comparison: layout/style/nsStyleStructFwd.h
layout/style/nsStyleStructFwd.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:0b66b35a2982 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* | |
| 7 * Forward declarations to avoid including all of nsStyleStruct.h. | |
| 8 */ | |
| 9 | |
| 10 #ifndef nsStyleStructFwd_h_ | |
| 11 #define nsStyleStructFwd_h_ | |
| 12 | |
| 13 enum nsStyleStructID { | |
| 14 | |
| 15 /* | |
| 16 * Define the constants eStyleStruct_Font, etc. | |
| 17 * | |
| 18 * The C++ standard, section 7.2, guarantees that enums begin with 0 and | |
| 19 * increase by 1. | |
| 20 * | |
| 21 * We separate the IDs of Reset and Inherited structs so that we can use | |
| 22 * the IDs as indices (offset by nsStyleStructID_*_Start) into arrays of | |
| 23 * one type or the other. | |
| 24 */ | |
| 25 | |
| 26 nsStyleStructID_Inherited_Start = 0, | |
| 27 // a dummy value so the value after it is the same as ..._Inherited_Start | |
| 28 nsStyleStructID_DUMMY1 = nsStyleStructID_Inherited_Start - 1, | |
| 29 | |
| 30 #define STYLE_STRUCT_INHERITED(name, checkdata_cb) \ | |
| 31 eStyleStruct_##name, | |
| 32 #define STYLE_STRUCT_RESET(name, checkdata_cb) | |
| 33 #include "nsStyleStructList.h" | |
| 34 #undef STYLE_STRUCT_INHERITED | |
| 35 #undef STYLE_STRUCT_RESET | |
| 36 | |
| 37 nsStyleStructID_Reset_Start, | |
| 38 // a dummy value so the value after it is the same as ..._Reset_Start | |
| 39 nsStyleStructID_DUMMY2 = nsStyleStructID_Reset_Start - 1, | |
| 40 | |
| 41 #define STYLE_STRUCT_RESET(name, checkdata_cb) \ | |
| 42 eStyleStruct_##name, | |
| 43 #define STYLE_STRUCT_INHERITED(name, checkdata_cb) | |
| 44 #include "nsStyleStructList.h" | |
| 45 #undef STYLE_STRUCT_INHERITED | |
| 46 #undef STYLE_STRUCT_RESET | |
| 47 | |
| 48 // one past the end; length of 0-based list | |
| 49 nsStyleStructID_Length, | |
| 50 | |
| 51 nsStyleStructID_Inherited_Count = | |
| 52 nsStyleStructID_Reset_Start - nsStyleStructID_Inherited_Start, | |
| 53 nsStyleStructID_Reset_Count = | |
| 54 nsStyleStructID_Length - nsStyleStructID_Reset_Start, | |
| 55 | |
| 56 // An ID used for properties that are not in style structs. This is | |
| 57 // used only in some users of nsStyleStructID, such as | |
| 58 // nsCSSProps::kSIDTable, including some that store SIDs in a bitfield, | |
| 59 // such as nsCSSCompressedDataBlock::mStyleBits. | |
| 60 eStyleStruct_BackendOnly = nsStyleStructID_Length | |
| 61 | |
| 62 }; | |
| 63 | |
| 64 // A bit corresponding to each struct ID | |
| 65 #define NS_STYLE_INHERIT_BIT(sid_) (1 << uint64_t(eStyleStruct_##sid_)) | |
| 66 | |
| 67 #endif /* nsStyleStructFwd_h_ */ |
