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