62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2014 Danny Robson <danny@nerdcruft.net>
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*/
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#include "stringid.hpp"
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#include "raii.hpp"
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#include <stdexcept>
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#include <mutex>
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using util::stringid;
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//-----------------------------------------------------------------------------
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stringid::id_t
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stringid::add (const std::string key) {
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auto pos = m_map.find (key);
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if (pos != m_map.end ())
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throw std::invalid_argument ("duplicate stringid key");
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static std::mutex s_lock;
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std::lock_guard<std::mutex> raii (s_lock);
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id_t id = m_map.size ();
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m_map[key] = id;
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return id;
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}
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//-----------------------------------------------------------------------------
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stringid::id_t
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stringid::find (const std::string &key) const {
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auto pos = m_map.find (key);
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if (pos == m_map.end ())
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throw std::out_of_range ("invalid stringid key");
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return pos->second;
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}
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//-----------------------------------------------------------------------------
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void
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stringid::clear (void) {
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m_map.clear ();
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}
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