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Kernel: Make {Nonnull,}OwnPtr<KString> hash compatible with StringView

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This will allow us to use KString as HashTable/HashMap keys more easily
This commit is contained in:
Idan Horowitz 2022-01-29 20:15:26 +02:00
commit c68609b27f
Notes: sideshowbarker 2024-07-17 20:01:06 +09:00
1 changed files with 14 additions and 0 deletions
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14
Kernel/KString.h
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@ -91,6 +91,7 @@ struct Traits<NonnullOwnPtr<Kernel::KString>> : public GenericTraits<NonnullOwnP
using ConstPeekType = Kernel::KString const*;
static unsigned hash(NonnullOwnPtr<Kernel::KString> const& p) { return string_hash(p->characters(), p->length()); }
static bool equals(NonnullOwnPtr<Kernel::KString> const& a, NonnullOwnPtr<Kernel::KString> const& b) { return a->view() == b->view(); }
static bool equals(StringView a, NonnullOwnPtr<Kernel::KString> const& b) { return a == b->view(); }
};
template<>
@ -112,6 +113,19 @@ struct Traits<OwnPtr<Kernel::KString>> : public GenericTraits<OwnPtr<Kernel::KSt
return a->view() == b->view();
}
static bool equals(StringView a, OwnPtr<Kernel::KString> const& b)
{
if (!b)
return a.is_null();
return a == b->view();
}
};
namespace Detail {
template<>
inline constexpr bool IsHashCompatible<StringView, NonnullOwnPtr<Kernel::KString>> = true;
template<>
inline constexpr bool IsHashCompatible<StringView, OwnPtr<Kernel::KString>> = true;
}
}