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82 lines
2.6 KiB
82 lines
2.6 KiB
/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef ATTRIBSTORAGE_H
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#define ATTRIBSTORAGE_H
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#include "../stdext/types.h"
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#include <tuple>
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#include <boost/any.hpp>
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#pragma pack(push,1) // disable memory alignment
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// this class was designed to use less memory as possible
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class AttribStorage {
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public:
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AttribStorage() : m_attribs(nullptr), m_size(0) { }
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~AttribStorage() { if(m_attribs) delete[] m_attribs; }
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template<typename T>
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void set(uint8 id, T value) {
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bool done = false;
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for(int i=0;i<m_size;++i) {
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if(std::get<0>(m_attribs[i]) == id) {
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std::get<1>(m_attribs[i]) = value;
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done = true;
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break;
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}
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}
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if(!done) {
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auto attribs = new std::tuple<uint8, boost::any>[m_size+1];
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if(m_size > 0) {
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for(int i=0;i<m_size;++i)
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attribs[i] = m_attribs[i];
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delete[] m_attribs;
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}
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m_attribs = attribs;
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m_attribs[m_size++] = std::make_tuple(id, value);
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}
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}
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template<typename T>
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T get(uint8 id) const {
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for(int i=0;i<m_size;++i)
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if(std::get<0>(m_attribs[i]) == id)
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return boost::any_cast<T>(std::get<1>(m_attribs[i]));
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return T();
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}
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bool has(uint8 id) const {
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for(int i=0;i<m_size;++i)
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if(std::get<0>(m_attribs[i]) == id)
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return true;
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return false;
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}
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private:
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std::tuple<uint8, boost::any>* m_attribs;
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uint8 m_size;
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};
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#pragma pack(pop)
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#endif
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