Emilio Cobos Álvarez
2223a8bee2
Automatically generated with:
cp dom/.clang-format xpcom/ && mach format xpcom/**.{cpp,h}
Manual changes:
* nsTDependentSubstring.cpp was relying on include order, prevent that
from being changed by clang-format.
* Missing nsAtom.h include from nsGkAtoms.h
* nsWindowsHelpers.h needed to keep the include order
* MemoryPressureLevelMac.h needed mozilla/Attributes.h
Differential Revision: https://phabricator.services.mozilla.com/D311687
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/* 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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/* Definitions for nsPtrHashKey<T> and nsVoidPtrHashKey. */
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#ifndef nsPointerHashKeys_h
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#define nsPointerHashKeys_h
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#include "PLDHashTable.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/HashFunctions.h"
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#include "nscore.h"
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/**
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* hashkey wrapper using T* KeyType
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*
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* @see nsTHashtable::EntryType for specification
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*/
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template <class T>
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class nsPtrHashKey : public PLDHashEntryHdr {
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public:
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using KeyType = T*;
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using KeyTypePointer = const T*;
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explicit nsPtrHashKey(const T* aKey) : mKey(const_cast<T*>(aKey)) {}
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nsPtrHashKey(nsPtrHashKey&& aToMove) = default;
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~nsPtrHashKey() = default;
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KeyType GetKey() const { return mKey; }
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bool KeyEquals(KeyTypePointer aKey) const { return aKey == mKey; }
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static KeyTypePointer KeyToPointer(KeyType aKey) { return aKey; }
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static PLDHashNumber HashKey(KeyTypePointer aKey) {
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return mozilla::HashGeneric(aKey);
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}
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enum { ALLOW_MEMMOVE = true };
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protected:
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T* MOZ_NON_OWNING_REF mKey;
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};
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using nsVoidPtrHashKey = nsPtrHashKey<const void>;
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#endif // nsPointerHashKeys_h
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