mkxp-freebird/src/boost-hash.h

131 lines
2.5 KiB
C++

/*
** boost-hash.h
**
** This file is part of mkxp.
**
** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
**
** mkxp is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 2 of the License, or
** (at your option) any later version.
**
** mkxp 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef BOOSTHASH_H
#define BOOSTHASH_H
#include <boost/unordered/unordered_map.hpp>
#include <boost/unordered/unordered_set.hpp>
#include <utility>
/* Wrappers around the boost unordered template classes,
* exposing an interface similar to Qt's QHash/QSet */
template<typename K, typename V>
class BoostHash
{
private:
typedef boost::unordered_map<K, V> BoostType;
typedef std::pair<K, V> PairType;
BoostType p;
public:
typedef typename BoostType::const_iterator const_iterator;
inline bool contains(const K &key) const
{
const_iterator iter = p.find(key);
return (iter != p.cend());
}
inline void insert(const K &key, const V &value)
{
p.insert(PairType(key, value));
}
inline void erase(const K &key)
{
p.erase(key);
}
inline const V value(const K &key) const
{
const_iterator iter = p.find(key);
if (iter == p.cend())
return V();
return iter->second;
}
inline const V value(const K &key, const V &defaultValue) const
{
const_iterator iter = p.find(key);
if (iter == p.cend())
return defaultValue;
return iter->second;
}
inline V &operator[](const K &key)
{
return p[key];
}
inline const_iterator cbegin() const
{
return p.cbegin();
}
inline const_iterator cend() const
{
return p.cend();
}
};
template<typename K>
class BoostSet
{
private:
typedef boost::unordered_set<K> BoostType;
BoostType p;
public:
typedef typename BoostType::const_iterator const_iterator;
inline bool contains(const K &key)
{
const_iterator iter = p.find(key);
return (iter != p.cend());
}
inline void insert(const K &key)
{
p.insert(key);
}
inline const_iterator cbegin() const
{
return p.cbegin();
}
inline const_iterator cend() const
{
return p.cend();
}
};
#endif // BOOSTHASH_H