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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* Forward declarations to avoid including all of nsStyleStruct.h.
*/
#ifndef nsStyleStructFwd_h_
#define nsStyleStructFwd_h_
enum nsStyleStructID {
/*
* Define the constants eStyleStruct_Font, etc.
*
* The C++ standard, section 7.2, guarantees that enums begin with 0 and
* increase by 1.
*
* We separate the IDs of Reset and Inherited structs so that we can use
* the IDs as indices (offset by nsStyleStructID_*_Start) into arrays of
* one type or the other.
*/
nsStyleStructID_Inherited_Start = 0,
// a dummy value so the value after it is the same as ..._Inherited_Start
nsStyleStructID_DUMMY1 = nsStyleStructID_Inherited_Start - 1,
#define STYLE_STRUCT_INHERITED(name, checkdata_cb) \
eStyleStruct_##name,
#define STYLE_STRUCT_RESET(name, checkdata_cb)
#include "nsStyleStructList.h"
#undef STYLE_STRUCT_INHERITED
#undef STYLE_STRUCT_RESET
nsStyleStructID_Reset_Start,
// a dummy value so the value after it is the same as ..._Reset_Start
nsStyleStructID_DUMMY2 = nsStyleStructID_Reset_Start - 1,
#define STYLE_STRUCT_RESET(name, checkdata_cb) \
eStyleStruct_##name,
#define STYLE_STRUCT_INHERITED(name, checkdata_cb)
#include "nsStyleStructList.h"
#undef STYLE_STRUCT_INHERITED
#undef STYLE_STRUCT_RESET
// one past the end; length of 0-based list
nsStyleStructID_Length,
nsStyleStructID_Inherited_Count =
nsStyleStructID_Reset_Start - nsStyleStructID_Inherited_Start,
nsStyleStructID_Reset_Count =
nsStyleStructID_Length - nsStyleStructID_Reset_Start,
// An ID used for properties that are not in style structs. This is
// used only in some users of nsStyleStructID, such as
// nsCSSProps::kSIDTable, including some that store SIDs in a bitfield,
// such as nsCSSCompressedDataBlock::mStyleBits.
eStyleStruct_BackendOnly = nsStyleStructID_Length
};
// A bit corresponding to each struct ID
#define NS_STYLE_INHERIT_BIT(sid_) (1 << int32_t(eStyleStruct_##sid_))
#endif /* nsStyleStructFwd_h_ */
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