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