mirror of
https://github.com/matrix-construct/construct
synced 2024-11-02 11:58:53 +01:00
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
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/*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 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.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#pragma once
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#define HAVE_IRCD_DB_ROW_H
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namespace ircd {
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namespace db {
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struct cell
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{
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explicit
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cell(database &,
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column,
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const string_view &key,
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gopts opts = {});
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};
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struct row
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{
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using key_type = column;
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using mapped_type = std::unique_ptr<rocksdb::Iterator>;
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using value_type = std::pair<key_type, mapped_type>;
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gopts opts;
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std::vector<value_type> its;
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template<class pos> friend void seek(row &, const pos &);
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friend void seek(row &, const string_view &key);
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public:
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auto begin() const { return std::begin(its); }
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auto end() const { return std::end(its); }
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auto begin() { return std::begin(its); }
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auto end() { return std::end(its); }
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string_view operator[](const string_view &column);
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row(database &, const string_view &key = {}, gopts = {});
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row() = default;
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row(row &&) noexcept;
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row &operator=(row &&) noexcept;
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~row() noexcept;
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};
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} // namespace db
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} // namespace ircd
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