gecko-dev/dom/base/RustTypes.h

41 строка
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef mozilla_dom_RustTypes_h
#define mozilla_dom_RustTypes_h
#include "nsDebug.h"
#define STATE_HELPERS(Type) \
using InternalType = decltype(bits); \
\
constexpr Type() : bits{0} {} \
\
explicit constexpr Type(InternalType aBits) : bits{aBits} {} \
\
bool IsEmpty() const { return bits == 0; } \
\
bool HasAtLeastOneOfStates(Type aStates) const { \
return bool((*this) & aStates); \
} \
\
bool HasState(Type aState) const { \
NS_ASSERTION(!(aState.bits & (aState.bits - 1)), \
"When calling HasState, " \
"argument has to contain only one state!"); \
return HasAtLeastOneOfStates(aState); \
} \
\
bool HasAllStates(Type aStates) const { \
return ((*this) & aStates) == aStates; \
} \
\
InternalType GetInternalValue() const { return bits; }
#include "mozilla/dom/GeneratedElementDocumentState.h"
#endif