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/* vim: set sw=4 sts=4 et foldmethod=syntax : */

/*
 * Copyright (c) 2007 David Leverton <levertond@googlemail.com>
 *
 * 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_RECONCILIO_UTIL_WILDCARD_EXPANDER_HH
#define PALUDIS_GUARD_RECONCILIO_UTIL_WILDCARD_EXPANDER_HH

#include <paludis/util/attributes.hh>
#include <paludis/util/fs_entry.hh>
#include <paludis/util/operators.hh>
#include <paludis/util/private_implementation_pattern.hh>

#include <iterator>

class PALUDIS_VISIBLE WildcardExpansionError : public paludis::FSError
{
    public:
        WildcardExpansionError(const std::string & message) throw ();
};

class PALUDIS_VISIBLE WildcardExpander :
    public std::iterator<std::forward_iterator_tag, const paludis::FSEntry>,
    public paludis::equality_operators::HasEqualityOperators,
    private paludis::PrivateImplementationPattern<WildcardExpander>
{
    public:
        WildcardExpander(const std::string &, const paludis::FSEntry & = paludis::FSEntry("/"));
        WildcardExpander();
        WildcardExpander(const WildcardExpander &);

        ~WildcardExpander();

        const WildcardExpander & operator= (const WildcardExpander &);

        const paludis::FSEntry & operator* () const PALUDIS_ATTRIBUTE((warn_unused_result));
        const paludis::FSEntry * operator-> () const PALUDIS_ATTRIBUTE((warn_unused_result));

        WildcardExpander & operator++ ();
        WildcardExpander operator++ (int);

        bool operator== (const WildcardExpander &) const PALUDIS_ATTRIBUTE((warn_unused_result));
};

#endif