mirror of
https://github.com/matrix-construct/construct
synced 2024-07-03 09:18:19 +02:00
85 lines
2.4 KiB
C++
85 lines
2.4 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_INDEX_H
|
|
|
|
namespace ircd::db
|
|
{
|
|
struct index;
|
|
}
|
|
|
|
struct ircd::db::index
|
|
:column
|
|
{
|
|
struct const_iterator_base;
|
|
struct const_iterator;
|
|
struct const_reverse_iterator;
|
|
|
|
using iterator_type = const_iterator;
|
|
using const_iterator_type = const_iterator;
|
|
|
|
static const gopts applied_opts;
|
|
|
|
const_iterator end(const string_view &key, gopts = {});
|
|
const_iterator begin(const string_view &key, gopts = {});
|
|
const_reverse_iterator rend(const string_view &key, gopts = {});
|
|
const_reverse_iterator rbegin(const string_view &key, gopts = {});
|
|
|
|
using column::column;
|
|
};
|
|
|
|
struct ircd::db::index::const_iterator_base
|
|
:ircd::db::column::const_iterator_base
|
|
{
|
|
friend class index;
|
|
|
|
const value_type &operator*() const;
|
|
const value_type *operator->() const;
|
|
|
|
using column::const_iterator_base::const_iterator_base;
|
|
|
|
template<class pos> friend bool seek(index::const_iterator_base &, const pos &, gopts = {});
|
|
};
|
|
|
|
struct ircd::db::index::const_iterator
|
|
:ircd::db::index::const_iterator_base
|
|
{
|
|
friend class index;
|
|
|
|
const_iterator &operator++();
|
|
const_iterator &operator--();
|
|
|
|
using index::const_iterator_base::const_iterator_base;
|
|
};
|
|
|
|
struct ircd::db::index::const_reverse_iterator
|
|
:ircd::db::index::const_iterator_base
|
|
{
|
|
friend class index;
|
|
|
|
const_reverse_iterator &operator++();
|
|
const_reverse_iterator &operator--();
|
|
|
|
using index::const_iterator_base::const_iterator_base;
|
|
};
|