117 lines
2.0 KiB
C++
117 lines
2.0 KiB
C++
// vim: set ts=4 sw=4 tw=99 noet:
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//
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// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
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// Copyright (C) The AMX Mod X Development Team.
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//
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// This software is licensed under the GNU General Public License, version 3 or higher.
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// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
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// https://alliedmods.net/amxmodx-license
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#ifndef _NATIVES_HANDLES_H_
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#define _NATIVES_HANDLES_H_
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#include <am-vector.h>
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// Note: All handles start at 1. 0 and below are invalid handles.
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// This way, a plugin that doesn't initialize a vector or
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// string will not be able to modify another plugin's data
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// on accident.
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template <typename T>
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class Handle
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{
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private:
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ke::Vector<T*> m_handles;
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public:
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Handle() {}
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~Handle()
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{
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this->clear();
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}
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void clear()
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{
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for (size_t i = 0; i < m_handles.length(); ++i)
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{
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if (m_handles[i])
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{
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delete m_handles[i];
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}
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}
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m_handles.clear();
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}
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T *lookup(int handle)
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{
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--handle;
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if (handle < 0 || handle >= static_cast<int>(m_handles.length()))
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{
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return nullptr;
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}
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return m_handles[handle];
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}
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template <typename... Targs>
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int create(Targs... Fargs)
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{
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for (size_t i = 0; i < m_handles.length(); ++i)
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{
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if (!m_handles[i])
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{
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m_handles[i] = new T(Fargs...);
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return static_cast<int>(i) + 1;
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}
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}
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m_handles.append(new T(Fargs...));
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return m_handles.length();
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}
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int clone(T *data)
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{
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for (size_t i = 0; i < m_handles.length(); ++i)
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{
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if (!m_handles[i])
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{
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m_handles[i] = data;
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return static_cast<int>(i) + 1;
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}
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}
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m_handles.append(data);
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return m_handles.length();
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}
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bool destroy(int handle)
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{
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handle--;
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if (handle < 0 || handle >= static_cast<int>(m_handles.length()))
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{
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return false;
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}
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if (!m_handles[handle])
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{
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return false;
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}
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delete m_handles[handle];
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m_handles[handle] = nullptr;
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return true;
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}
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};
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#endif // _NATIVE_HANDLES_H_
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