Exheredludis/paludis/util/map.hh
2012-04-15 14:51:19 +01:00

116 lines
3.5 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2007, 2009, 2010, 2011 Ciaran McCreesh
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis 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
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PALUDIS_GUARD_PALUDIS_UTIL_MAP_HH
#define PALUDIS_GUARD_PALUDIS_UTIL_MAP_HH 1
#include <paludis/util/map-fwd.hh>
#include <paludis/util/attributes.hh>
#include <paludis/util/pimp.hh>
#include <paludis/util/wrapped_output_iterator-fwd.hh>
#include <paludis/util/wrapped_forward_iterator.hh>
#include <string>
#include <utility>
/** \file
* Declarations for the Map<> class.
*
* \ingroup g_data_structures
*
* \section Examples
*
* - None at this time.
*/
namespace paludis
{
/**
* A wrapper around a map, avoiding the need to include lots of STL bloat
* everywhere.
*
* \ingroup g_data_structures
* \since 0.26
* \nosubgrouping
*/
template <typename K_, typename V_, typename C_>
class PALUDIS_VISIBLE Map
{
private:
Pimp<Map<K_, V_, C_> > _imp;
public:
///\name Basic operations
///\{
Map();
~Map();
Map(const Map &) = delete;
Map & operator= (const Map &) = delete;
///\}
///\name Standard library typedefs
///\{
typedef std::pair<const K_, V_> value_type;
typedef std::pair<const K_, V_> & reference;
typedef const reference & const_reference;
///\}
///\name Iteration
///\{
typedef MapConstIteratorTag<K_, V_, C_> ConstIteratorTag;
typedef WrappedForwardIterator<ConstIteratorTag, const std::pair<const K_, V_> > ConstIterator;
ConstIterator begin() const PALUDIS_ATTRIBUTE((warn_unused_result));
ConstIterator end() const PALUDIS_ATTRIBUTE((warn_unused_result));
ConstIterator find(const K_ &) const PALUDIS_ATTRIBUTE((warn_unused_result));
typedef MapInserterTag<K_, V_, C_> InserterTag;
typedef WrappedOutputIterator<InserterTag, std::pair<const K_, V_> > Inserter;
Inserter inserter() PALUDIS_ATTRIBUTE((warn_unused_result));
///\}
///\name Content information
///\{
bool empty() const PALUDIS_ATTRIBUTE((warn_unused_result));
unsigned size() const PALUDIS_ATTRIBUTE((warn_unused_result));
///\}
///\name Content modification
///\{
void insert(const K_ &, const V_ &);
void erase(const ConstIterator &);
void erase(const K_ &);
///\}
};
extern template class PALUDIS_VISIBLE Map<std::string, std::string>;
extern template class PALUDIS_VISIBLE WrappedForwardIterator<Map<std::string, std::string>::ConstIteratorTag, const std::pair<const std::string, std::string> >;
}
#endif