200 lines
5.0 KiB
C++
200 lines
5.0 KiB
C++
/***************************************************************************
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copyright : (C) 2002 - 2008 by Scott Wheeler
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email : wheeler@kde.org
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***************************************************************************/
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/***************************************************************************
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* This library 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 version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
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* 02110-1301 USA *
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* *
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* Alternatively, this file is available under the Mozilla Public *
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* License Version 1.1. You may obtain a copy of the License at *
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* http://www.mozilla.org/MPL/ *
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***************************************************************************/
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#include "trefcounter.h"
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namespace TagLib {
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////////////////////////////////////////////////////////////////////////////////
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// public members
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////////////////////////////////////////////////////////////////////////////////
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// BIC change to RefCounter
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template <class Key, class T>
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template <class KeyP, class TP>
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class Map<Key, T>::MapPrivate : public RefCounterOld
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{
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public:
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MapPrivate() : RefCounterOld() {}
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#ifdef WANT_CLASS_INSTANTIATION_OF_MAP
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MapPrivate(const std::map<class KeyP, class TP>& m) : RefCounterOld(), map(m) {}
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std::map<class KeyP, class TP> map;
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#else
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MapPrivate(const std::map<KeyP, TP>& m) : RefCounterOld(), map(m) {}
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std::map<KeyP, TP> map;
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#endif
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};
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template <class Key, class T>
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Map<Key, T>::Map() :
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d(new MapPrivate<Key, T>())
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{
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}
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template <class Key, class T>
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Map<Key, T>::Map(const Map<Key, T> &m) : d(m.d)
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{
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d->ref();
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}
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template <class Key, class T>
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Map<Key, T>::~Map()
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{
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if(d->deref())
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delete(d);
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}
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template <class Key, class T>
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typename Map<Key, T>::Iterator Map<Key, T>::begin()
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{
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detach();
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return d->map.begin();
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}
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template <class Key, class T>
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typename Map<Key, T>::ConstIterator Map<Key, T>::begin() const
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{
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return d->map.begin();
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}
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template <class Key, class T>
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typename Map<Key, T>::Iterator Map<Key, T>::end()
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{
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detach();
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return d->map.end();
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}
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template <class Key, class T>
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typename Map<Key, T>::ConstIterator Map<Key, T>::end() const
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{
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return d->map.end();
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}
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template <class Key, class T>
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Map<Key, T> &Map<Key, T>::insert(const Key &key, const T &value)
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{
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detach();
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d->map[key] = value;
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return *this;
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}
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template <class Key, class T>
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Map<Key, T> &Map<Key, T>::clear()
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{
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detach();
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d->map.clear();
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return *this;
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}
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template <class Key, class T>
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bool Map<Key, T>::isEmpty() const
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{
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return d->map.empty();
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}
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template <class Key, class T>
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typename Map<Key, T>::Iterator Map<Key, T>::find(const Key &key)
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{
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detach();
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return d->map.find(key);
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}
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template <class Key, class T>
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typename Map<Key,T>::ConstIterator Map<Key, T>::find(const Key &key) const
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{
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return d->map.find(key);
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}
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template <class Key, class T>
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bool Map<Key, T>::contains(const Key &key) const
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{
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return d->map.find(key) != d->map.end();
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}
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template <class Key, class T>
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Map<Key, T> &Map<Key,T>::erase(Iterator it)
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{
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detach();
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d->map.erase(it);
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return *this;
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}
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template <class Key, class T>
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Map<Key, T> &Map<Key,T>::erase(const Key &key)
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{
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detach();
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d->map.erase(key);
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return *this;
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}
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template <class Key, class T>
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unsigned int Map<Key, T>::size() const
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{
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return static_cast<unsigned int>(d->map.size());
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}
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template <class Key, class T>
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const T &Map<Key, T>::operator[](const Key &key) const
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{
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return d->map[key];
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}
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template <class Key, class T>
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T &Map<Key, T>::operator[](const Key &key)
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{
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detach();
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return d->map[key];
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}
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template <class Key, class T>
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Map<Key, T> &Map<Key, T>::operator=(const Map<Key, T> &m)
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{
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Map<Key, T>(m).swap(*this);
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return *this;
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}
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template <class Key, class T>
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void Map<Key, T>::swap(Map<Key, T> &m)
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{
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using std::swap;
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swap(d, m.d);
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}
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////////////////////////////////////////////////////////////////////////////////
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// protected members
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////////////////////////////////////////////////////////////////////////////////
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template <class Key, class T>
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void Map<Key, T>::detach()
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{
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if(d->count() > 1) {
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d->deref();
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d = new MapPrivate<Key, T>(d->map);
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}
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}
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} // namespace TagLib
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