michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * Forward declarations to avoid including all of nsStyleStruct.h.
michael@0:  */
michael@0: 
michael@0: #ifndef nsStyleStructFwd_h_
michael@0: #define nsStyleStructFwd_h_
michael@0: 
michael@0: enum nsStyleStructID {
michael@0: 
michael@0: /*
michael@0:  * Define the constants eStyleStruct_Font, etc.
michael@0:  *
michael@0:  * The C++ standard, section 7.2, guarantees that enums begin with 0 and
michael@0:  * increase by 1.
michael@0:  *
michael@0:  * We separate the IDs of Reset and Inherited structs so that we can use
michael@0:  * the IDs as indices (offset by nsStyleStructID_*_Start) into arrays of
michael@0:  * one type or the other.
michael@0:  */
michael@0: 
michael@0: nsStyleStructID_Inherited_Start = 0,
michael@0: // a dummy value so the value after it is the same as ..._Inherited_Start
michael@0: nsStyleStructID_DUMMY1 = nsStyleStructID_Inherited_Start - 1,
michael@0: 
michael@0: #define STYLE_STRUCT_INHERITED(name, checkdata_cb) \
michael@0:   eStyleStruct_##name,
michael@0: #define STYLE_STRUCT_RESET(name, checkdata_cb)
michael@0: #include "nsStyleStructList.h"
michael@0: #undef STYLE_STRUCT_INHERITED
michael@0: #undef STYLE_STRUCT_RESET
michael@0: 
michael@0: nsStyleStructID_Reset_Start,
michael@0: // a dummy value so the value after it is the same as ..._Reset_Start
michael@0: nsStyleStructID_DUMMY2 = nsStyleStructID_Reset_Start - 1,
michael@0: 
michael@0: #define STYLE_STRUCT_RESET(name, checkdata_cb) \
michael@0:   eStyleStruct_##name,
michael@0: #define STYLE_STRUCT_INHERITED(name, checkdata_cb)
michael@0: #include "nsStyleStructList.h"
michael@0: #undef STYLE_STRUCT_INHERITED
michael@0: #undef STYLE_STRUCT_RESET
michael@0: 
michael@0: // one past the end; length of 0-based list
michael@0: nsStyleStructID_Length,
michael@0: 
michael@0: nsStyleStructID_Inherited_Count =
michael@0:   nsStyleStructID_Reset_Start - nsStyleStructID_Inherited_Start,
michael@0: nsStyleStructID_Reset_Count =
michael@0:   nsStyleStructID_Length - nsStyleStructID_Reset_Start,
michael@0: 
michael@0: // An ID used for properties that are not in style structs.  This is
michael@0: // used only in some users of nsStyleStructID, such as
michael@0: // nsCSSProps::kSIDTable, including some that store SIDs in a bitfield,
michael@0: // such as nsCSSCompressedDataBlock::mStyleBits.
michael@0: eStyleStruct_BackendOnly = nsStyleStructID_Length
michael@0: 
michael@0: };
michael@0: 
michael@0: // A bit corresponding to each struct ID
michael@0: #define NS_STYLE_INHERIT_BIT(sid_)        (1 << uint64_t(eStyleStruct_##sid_))
michael@0: 
michael@0: #endif /* nsStyleStructFwd_h_ */