mirror of
https://github.com/matrix-construct/construct
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35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_DB_DATABASE_PREFIX_TRANSFORM_H
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// This file is not part of the standard include stack because it requires
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// RocksDB symbols which we cannot forward declare. It is used internally
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// and does not need to be included by general users of IRCd.
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struct ircd::db::database::prefix_transform final
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:rocksdb::SliceTransform
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{
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using Slice = rocksdb::Slice;
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database *d;
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db::prefix_transform user;
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const char *Name() const noexcept override;
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bool InDomain(const Slice &key) const noexcept override;
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bool InRange(const Slice &key) const noexcept override;
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Slice Transform(const Slice &key) const noexcept override;
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prefix_transform(database *const &d, db::prefix_transform user)
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:d{d}
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,user{std::move(user)}
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{}
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};
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