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89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef NAMEIDMAPPING_HEADER
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#define NAMEIDMAPPING_HEADER
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#include <string>
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#include <iostream>
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#include <set>
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#include "irrlichttypes_bloated.h"
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#include "util/cpp11_container.h"
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class NameIdMapping
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{
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public:
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void serialize(std::ostream &os) const;
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void deSerialize(std::istream &is);
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void clear()
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{
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m_id_to_name.clear();
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m_name_to_id.clear();
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}
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void set(u16 id, const std::string &name)
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{
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m_id_to_name[id] = name;
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m_name_to_id[name] = id;
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}
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void removeId(u16 id)
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{
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std::string name;
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bool found = getName(id, name);
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if (!found)
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return;
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m_id_to_name.erase(id);
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m_name_to_id.erase(name);
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}
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void eraseName(const std::string &name)
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{
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u16 id;
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bool found = getId(name, id);
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if (!found)
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return;
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m_id_to_name.erase(id);
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m_name_to_id.erase(name);
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}
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bool getName(u16 id, std::string &result) const
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{
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UNORDERED_MAP<u16, std::string>::const_iterator i;
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i = m_id_to_name.find(id);
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if (i == m_id_to_name.end())
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return false;
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result = i->second;
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return true;
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}
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bool getId(const std::string &name, u16 &result) const
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{
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UNORDERED_MAP<std::string, u16>::const_iterator i;
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i = m_name_to_id.find(name);
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if (i == m_name_to_id.end())
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return false;
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result = i->second;
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return true;
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}
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u16 size() const { return m_id_to_name.size(); }
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private:
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UNORDERED_MAP<u16, std::string> m_id_to_name;
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UNORDERED_MAP<std::string, u16> m_name_to_id;
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};
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#endif
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