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Diffstat (limited to 'dom/base/RustTypes.h')
-rw-r--r-- | dom/base/RustTypes.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/dom/base/RustTypes.h b/dom/base/RustTypes.h new file mode 100644 index 0000000000..2bb62be902 --- /dev/null +++ b/dom/base/RustTypes.h @@ -0,0 +1,40 @@ +/* -*- 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 |