mirror of
https://github.com/matrix-construct/construct
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109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/*
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* charybdis: A slightly useful ircd.
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* supported.h: isupport (005) numeric
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*
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* Entirely rewritten, August 2006 by Jilles Tjoelker
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* Copyright (C) 2006 Jilles Tjoelker
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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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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1.Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2.Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3.The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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_SUPPORTED_H
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#ifdef __cplusplus
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namespace ircd {
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namespace supported {
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using client::client;
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// Additional types can be supported here eventually
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enum class type
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{
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BOOLEAN, // boolean value (always true if key exists in map)
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INTEGER, // integer is copied here as the value
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STRING, // string is copied here as the value
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FUNC_BOOLEAN, // function returns a boolean value
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FUNC_STREAM, // function argument is an output stream
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};
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struct value
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{
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enum type type; union
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{
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int64_t integer;
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std::string string;
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std::function<bool ()> func_boolean;
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std::function<void (ostream &)> func_stream;
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};
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ostream &operator()(const std::string &key, ostream &buf) const;
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value();
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value(const int64_t &);
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value(const std::string &);
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value(const std::function<bool ()> &);
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value(const std::function<void (ostream &)> &);
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~value() noexcept;
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};
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extern std::map<std::string, value> map;
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template<class value_t> void add(const std::string &key, value_t&& v);
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void add(const std::string &key);
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bool del(const std::string &key);
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void show(client &);
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void init();
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} // namespace supported
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} // namespace ircd
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inline
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void ircd::supported::add(const std::string &key)
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{
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//TODO: XXX
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//value can't be reassigned unless there's an explicit move constructor
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//elaborating the entire unrestricted union etc etc for another time.
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map.erase(key);
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map.emplace(std::piecewise_construct,
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std::make_tuple(key),
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std::make_tuple());
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}
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template<class value_t>
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void ircd::supported::add(const std::string &key,
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value_t&& v)
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{
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map.erase(key);
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map.emplace(std::piecewise_construct,
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std::make_tuple(key),
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std::make_tuple(std::forward<value_t>(v)));
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}
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#endif // __cplusplus
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