mirror of
https://github.com/matrix-construct/construct
synced 2024-07-07 19:18:35 +02:00
128 lines
2.9 KiB
C++
128 lines
2.9 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_MAPI_H
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#ifdef __cplusplus
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namespace ircd {
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namespace mapi {
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struct init
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:std::function<void ()>
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{
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using std::function<void ()>::function;
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};
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struct fini
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:std::function<void ()>
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{
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using std::function<void ()>::function;
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};
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enum flags
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{
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NO_FLAGS = 0x00,
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RELAXED_INIT = 0x01,
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};
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// Associates RTTI keyed by object location
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using export_vector = std::vector<std::pair<const void *, std::type_index>>;
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struct exports
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:export_vector
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{
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template<class... List> exports(List&&... list);
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};
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struct header
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{
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static const char *const sym_name;
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static constexpr const magic_t MAGIC
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{
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0x4D41
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};
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magic_t magic; // The magic must match MAGIC
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version_t version; // Version indicator
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enum flags flags; // Option flags
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int64_t timestamp; // Module's compile epoch
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const char *desc;
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struct exports exports;
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template<class... Exports>
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header(const char *const &desc,
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const enum flags &flags,
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Exports&&... exports);
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header(const char *const &desc = "<no description>");
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};
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inline
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header::header(const char *const &desc)
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:header
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{
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desc, NO_FLAGS
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}
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{
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}
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template<class... Exports>
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header::header(const char *const &desc,
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const enum flags &flags,
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Exports&&... exports)
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:magic(MAGIC)
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,version(4)
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,flags(flags)
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,timestamp(RB_DATECODE)
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,desc(desc)
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,exports{std::forward<Exports>(exports)...}
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{
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}
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const char *const
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header::sym_name
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{
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"IRCD_MODULE"
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};
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template<class... List>
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exports::exports(List&&... list)
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{
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const std::vector<std::type_index> types
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{
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typeid(List)...
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};
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const std::vector<const void *> ptrs
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{
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std::forward<List>(list)...
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};
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assert(types.size() == ptrs.size());
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for(size_t i(0); i < types.size(); ++i)
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this->emplace_back(ptrs.at(i), types.at(i));
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}
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} // namespace mapi
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} // namespace ircd
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#endif // __cplusplus
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