mirror of
https://github.com/matrix-construct/construct
synced 2024-11-09 11:31:11 +01:00
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
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/*
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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_JS_PRIV_H
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namespace ircd {
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namespace js {
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IRCD_EXCEPTION(error, priv_error)
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template<class T = void>
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T &
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priv(const JS::HandleObject &obj,
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const JSClass &jsc)
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{
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const auto ret(JS_GetInstancePrivate(*cx, obj, &jsc, nullptr));
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if(!ret)
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throw priv_error("Object has no private data");
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return *static_cast<T *>(ret);
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}
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template<class T = void>
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T &
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priv(const JS::HandleObject &obj)
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{
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const auto jsc(JS_GetClass(obj));
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if(unlikely(!jsc))
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throw priv_error("Object has no JSClass");
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return priv<T>(obj, jsc);
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}
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} // namespace js
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} // namespace ircd
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