60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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 <boost/thread/mutex.hpp>
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#include <boost/thread/lock_guard.hpp>
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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 boost::mutex s_lock;
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boost::lock_guard<boost::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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