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48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef mozilla_ShadowParts_h
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#define mozilla_ShadowParts_h
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#include "nsAtomHashKeys.h"
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#include "nsTHashtable.h"
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#include "nsClassHashtable.h"
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#include "nsRefPtrHashtable.h"
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#include "nsStringFwd.h"
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namespace mozilla {
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class ShadowParts final {
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public:
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ShadowParts(ShadowParts&&) = default;
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ShadowParts(const ShadowParts&) = delete;
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static ShadowParts Parse(const nsAString&);
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using PartList = AutoTArray<RefPtr<nsAtom>, 1>;
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PartList* Get(nsAtom* aName) const { return mMappings.Get(aName); }
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nsAtom* GetReverse(nsAtom* aName) const {
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return mReverseMappings.GetWeak(aName);
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}
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#ifdef DEBUG
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void Dump() const;
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#endif
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private:
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ShadowParts() = default;
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// TODO(emilio): If the two hashtables take a lot of memory we should consider
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// just using an nsTArray<Pair<>> or something.
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nsClassHashtable<nsAtomHashKey, PartList> mMappings;
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nsRefPtrHashtable<nsAtomHashKey, nsAtom> mReverseMappings;
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};
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} // namespace mozilla
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#endif // mozilla_ShadowParts_h
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