mirror of
https://github.com/matrix-construct/construct
synced 2024-08-31 05:45:16 +02:00
68 lines
2 KiB
C++
68 lines
2 KiB
C++
/*
|
|
* Copyright (C) 2016 Charybdis Development Team
|
|
* Copyright (C) 2016 Jason Volk <jason@zemos.net>
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice is present in all copies.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_DB_JSON_H
|
|
|
|
namespace ircd::db
|
|
{
|
|
template<class tuple> tuple make_tuple(const row &r);
|
|
template<class it> void set_index(it begin, it end, const string_view &index);
|
|
template<class... T> void write(database &, const string_view &index, const json::tuple<T...> &, const sopts & = {});
|
|
}
|
|
|
|
//
|
|
// Commit a json::tuple to the database as a single transaction.
|
|
//
|
|
template<class it>
|
|
void
|
|
ircd::db::set_index(it b,
|
|
it e,
|
|
const string_view &index)
|
|
{
|
|
std::for_each(b, e, [&index]
|
|
(auto &delta)
|
|
{
|
|
std::get<2>(delta) = index;
|
|
});
|
|
}
|
|
|
|
template<class... T>
|
|
void
|
|
ircd::db::write(database &database,
|
|
const string_view &index,
|
|
const json::tuple<T...> &tuple,
|
|
const sopts &opts)
|
|
{
|
|
std::array<delta, tuple.size()> deltas;
|
|
deltas(index, tuple, begin(deltas));
|
|
database(begin(deltas), end(deltas));
|
|
}
|
|
|
|
template<class tuple>
|
|
tuple
|
|
ircd::db::make_tuple(const row &row)
|
|
{
|
|
tuple ret;
|
|
set(ret, row);
|
|
return ret;
|
|
}
|