mirror of
https://github.com/matrix-construct/construct
synced 2024-11-15 22:41:12 +01:00
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 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. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_JS_GET_H
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namespace ircd {
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namespace js {
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// Get reserved data slots
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JS::Value get(JSObject *const &obj, const reserved &id);
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// Get private data slot
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template<class T> T &get(JSObject *const &, priv_t);
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value get(const object::handle &obj, const id::handle &id);
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value get(const object::handle &obj, const id &id);
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value get(const object::handle &obj, const uint32_t &idx);
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value get(const object::handle &src, const char *const path);
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} // namespace js
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} // namespace ircd
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template<class T>
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T &
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ircd::js::get(JSObject *const &obj,
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priv_t)
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{
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if(unlikely(~flags(obj) & JSCLASS_HAS_PRIVATE))
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throw error("get(priv): Object has no private slot");
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auto *const vp(JS_GetPrivate(obj));
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auto *const sp(reinterpret_cast<priv_ptr *>(vp));
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if(unlikely(!sp || !*sp))
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throw error("get(priv): Object has no private data set");
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return *reinterpret_cast<T *>(sp->get());
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}
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