зеркало из https://github.com/mozilla/gecko-dev.git
61 строка
1.7 KiB
C++
61 строка
1.7 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_PseudoElementHashEntry_h
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#define mozilla_PseudoElementHashEntry_h
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#include "mozilla/dom/Element.h"
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#include "mozilla/HashFunctions.h"
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#include "nsCSSPseudoElements.h"
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#include "PLDHashTable.h"
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namespace mozilla {
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struct PseudoElementHashKey
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{
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dom::Element* mElement;
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nsCSSPseudoElements::Type mPseudoType;
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};
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// A hash entry that uses a RefPtr<dom::Element>, nsCSSPseudoElements::Type pair
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class PseudoElementHashEntry : public PLDHashEntryHdr
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{
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public:
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typedef PseudoElementHashKey KeyType;
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typedef const PseudoElementHashKey* KeyTypePointer;
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explicit PseudoElementHashEntry(KeyTypePointer aKey)
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: mElement(aKey->mElement)
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, mPseudoType(aKey->mPseudoType) { }
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explicit PseudoElementHashEntry(const PseudoElementHashEntry& aCopy)=default;
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~PseudoElementHashEntry() = default;
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KeyType GetKey() const { return {mElement, mPseudoType}; }
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bool KeyEquals(KeyTypePointer aKey) const
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{
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return mElement == aKey->mElement &&
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mPseudoType == aKey->mPseudoType;
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}
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static KeyTypePointer KeyToPointer(KeyType& aKey) { return &aKey; }
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static PLDHashNumber HashKey(KeyTypePointer aKey)
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{
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if (!aKey)
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return 0;
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return mozilla::HashGeneric(aKey->mElement, aKey->mPseudoType);
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}
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enum { ALLOW_MEMMOVE = true };
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RefPtr<dom::Element> mElement;
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nsCSSPseudoElements::Type mPseudoType;
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};
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} // namespace mozilla
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#endif // mozilla_PseudoElementHashEntry_h
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