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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2008, 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_FILTERED_GENERATOR_HH
#define PALUDIS_GUARD_PALUDIS_FILTERED_GENERATOR_HH 1
#include <paludis/filtered_generator-fwd.hh>
#include <paludis/util/pimp.hh>
#include <paludis/filter-fwd.hh>
#include <paludis/generator-fwd.hh>
/** \file
* Declarations for the FilteredGenerator class.
*
* \ingroup g_selections
*
* \section Examples
*
* - \ref example_selection.cc "example_selection.cc"
*/
namespace paludis
{
/**
* A FilteredGenerator specifies a desired set of properties for PackageIDs
* to be returned by Environment::operator[].
*
* Most Selection subclasses take a single FilteredGenerator as a parameter.
*
* \ingroup g_selections
*/
class PALUDIS_VISIBLE FilteredGenerator
{
private:
Pimp<FilteredGenerator> _imp;
public:
///\name Basic operations
///\{
FilteredGenerator(const FilteredGenerator &);
FilteredGenerator(const Generator &, const Filter &);
FilteredGenerator(const FilteredGenerator &, const Filter &);
FilteredGenerator & operator= (const FilteredGenerator &);
~FilteredGenerator();
///\}
/**
* Return our Generator.
*/
const Generator & generator() const PALUDIS_ATTRIBUTE((warn_unused_result));
/**
* Return our Filter.
*/
const Filter & filter() const PALUDIS_ATTRIBUTE((warn_unused_result));
};
extern template class Pimp<FilteredGenerator>;
}
#endif
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