mirror of
https://github.com/matrix-construct/construct
synced 2024-09-30 12:48:54 +02:00
93 lines
2 KiB
C++
93 lines
2 KiB
C++
/*
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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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#pragma once
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#define HAVE_IRCD_CONF_H
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namespace ircd {
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extern struct conf conf;
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} // namespace ircd
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struct ircd::conf
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{
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struct init;
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struct item_base;
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template<class T> struct item;
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std::map<std::string, item_base> items;
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};
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struct ircd::conf::item_base
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{
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std::string buf;
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};
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template<class T>
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struct ircd::conf::item
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:item_base
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{
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operator const T &() const
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{
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assert(buf.size() == sizeof(T));
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return reinterpret_cast<T *>(buf.data());
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};
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operator T &()
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{
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assert(buf.size() == sizeof(T));
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return reinterpret_cast<T *>(buf.data());
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};
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item(T t)
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:item_base{[&t]
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{
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std::string ret{sizeof(T), char{}};
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*reinterpret_cast<T *>(ret.data()) = std::move(t);
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}()}
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{}
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};
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namespace ircd {
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template<> struct conf::item<std::string>;
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}
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template<>
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struct ircd::conf::item<std::string>
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:item_base
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{
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operator const std::string &() const
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{
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return buf;
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};
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operator std::string &()
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{
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return buf;
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};
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item(std::string string)
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:item_base{std::move(string)}
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{}
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};
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