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9b5ea61bed
* DefaultHasher<T*> used HashGeneric<size_t> * nsPtrHashKey<T> used HashGeneric<T*> * nsRefPtrHashKey<T> used NS_PTR_TO_UINT32 >> 2 Make sure to always use HashGeneric<T*> for these. Remove unused / redundant hash keys. Differential Revision: https://phabricator.services.mozilla.com/D186553
86 lines
2.1 KiB
C++
86 lines
2.1 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 XPCOM_DS_NSTHASHMAP_H_
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#define XPCOM_DS_NSTHASHMAP_H_
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#include "mozilla/Attributes.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/UniquePtr.h"
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#include "nsBaseHashtable.h"
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#include "nsCOMPtr.h"
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#include "nsHashKeys.h"
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#include "nsAtomHashKeys.h"
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#include "nsHashtablesFwd.h"
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#include <type_traits>
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namespace mozilla::detail {
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template <class KeyType>
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struct nsKeyClass<
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KeyType, std::enable_if_t<sizeof(KeyType) &&
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std::is_base_of_v<PLDHashEntryHdr, KeyType>>> {
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using type = KeyType;
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};
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template <typename KeyType>
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struct nsKeyClass<KeyType*> {
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using type = nsPtrHashKey<KeyType>;
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};
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template <>
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struct nsKeyClass<nsAtom*> {
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using type = nsWeakAtomHashKey;
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};
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template <typename Ret, typename... Args>
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struct nsKeyClass<Ret (*)(Args...)> {
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using type = nsFuncPtrHashKey<Ret (*)(Args...)>;
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};
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template <>
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struct nsKeyClass<nsCString> {
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using type = nsCStringHashKey;
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};
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// This uses the case-sensitive hash key class, if you want the
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// case-insensitive hash key, use nsStringCaseInsensitiveHashKey explicitly.
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template <>
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struct nsKeyClass<nsString> {
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using type = nsStringHashKey;
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};
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template <typename KeyType>
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struct nsKeyClass<KeyType, std::enable_if_t<std::is_integral_v<KeyType> ||
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std::is_enum_v<KeyType>>> {
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using type = nsIntegralHashKey<KeyType>;
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};
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template <>
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struct nsKeyClass<nsCOMPtr<nsISupports>> {
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using type = nsISupportsHashKey;
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};
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template <typename T>
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struct nsKeyClass<RefPtr<T>> {
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using type = nsRefPtrHashKey<T>;
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};
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template <>
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struct nsKeyClass<RefPtr<nsAtom>> {
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using type = nsAtomHashKey;
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};
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template <>
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struct nsKeyClass<nsID> {
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using type = nsIDHashKey;
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};
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} // namespace mozilla::detail
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// The actual definition of nsTHashMap is in nsHashtablesFwd.h, since it is a
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// type alias.
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#endif // XPCOM_DS_NSTHASHMAP_H_
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