mirror of
https://github.com/matrix-construct/construct
synced 2024-11-03 04:18:55 +01:00
130 lines
2.9 KiB
C++
130 lines
2.9 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 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. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_JSON_TUPLE_UNTIL_H
|
|
|
|
namespace ircd {
|
|
namespace json {
|
|
|
|
template<size_t i,
|
|
class tuple,
|
|
class function>
|
|
typename std::enable_if<i == size<tuple>(), bool>::type
|
|
until(const tuple &t,
|
|
function&& f)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
template<size_t i,
|
|
class tuple,
|
|
class function>
|
|
typename std::enable_if<i == size<tuple>(), bool>::type
|
|
until(tuple &t,
|
|
function&& f)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
template<size_t i = 0,
|
|
class tuple,
|
|
class function>
|
|
typename std::enable_if<i < size<tuple>(), bool>::type
|
|
until(const tuple &t,
|
|
function&& f)
|
|
{
|
|
return f(key<i>(t), val<i>(t))?
|
|
until<i + 1>(t, std::forward<function>(f)):
|
|
false;
|
|
}
|
|
|
|
template<size_t i = 0,
|
|
class tuple,
|
|
class function>
|
|
typename std::enable_if<i < size<tuple>(), bool>::type
|
|
until(tuple &t,
|
|
function&& f)
|
|
{
|
|
return f(key<i>(t), val<i>(t))?
|
|
until<i + 1>(t, std::forward<function>(f)):
|
|
false;
|
|
}
|
|
|
|
template<size_t i,
|
|
class tuple,
|
|
class function>
|
|
typename std::enable_if<i == size<tuple>(), bool>::type
|
|
until(const tuple &a,
|
|
const tuple &b,
|
|
function&& f)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
template<size_t i = 0,
|
|
class tuple,
|
|
class function>
|
|
typename std::enable_if<i < size<tuple>(), bool>::type
|
|
until(const tuple &a,
|
|
const tuple &b,
|
|
function&& f)
|
|
{
|
|
return f(key<i>(a), val<i>(a), val<i>(b))?
|
|
until<i + 1>(a, b, std::forward<function>(f)):
|
|
false;
|
|
}
|
|
|
|
template<class tuple,
|
|
class function,
|
|
ssize_t i>
|
|
typename std::enable_if<(i < 0), bool>::type
|
|
runtil(const tuple &t,
|
|
function&& f)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
template<class tuple,
|
|
class function,
|
|
ssize_t i>
|
|
typename std::enable_if<(i < 0), bool>::type
|
|
runtil(tuple &t,
|
|
function&& f)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
template<class tuple,
|
|
class function,
|
|
ssize_t i = size<tuple>() - 1>
|
|
typename std::enable_if<i < size<tuple>(), bool>::type
|
|
runtil(const tuple &t,
|
|
function&& f)
|
|
{
|
|
return f(key<i>(t), val<i>(t))?
|
|
runtil<tuple, function, i - 1>(t, std::forward<function>(f)):
|
|
false;
|
|
}
|
|
|
|
template<class tuple,
|
|
class function,
|
|
ssize_t i = size<tuple>() - 1>
|
|
typename std::enable_if<i < size<tuple>(), bool>::type
|
|
runtil(tuple &t,
|
|
function&& f)
|
|
{
|
|
return f(key<i>(t), val<i>(t))?
|
|
runtil<tuple, function, i - 1>(t, std::forward<function>(f)):
|
|
false;
|
|
}
|
|
|
|
} // namespace json
|
|
} // namespace ircd
|