package_id-fwd.hh

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00001 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
00002 
00003 /*
00004  * Copyright (c) 2007, 2008 Ciaran McCreesh
00005  *
00006  * This file is part of the Paludis package manager. Paludis is free software;
00007  * you can redistribute it and/or modify it under the terms of the GNU General
00008  * Public License version 2, as published by the Free Software Foundation.
00009  *
00010  * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
00011  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00012  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
00013  * details.
00014  *
00015  * You should have received a copy of the GNU General Public License along with
00016  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00017  * Place, Suite 330, Boston, MA  02111-1307  USA
00018  */
00019 
00020 #ifndef PALUDIS_GUARD_PALUDIS_PACKAGE_ID_FWD_HH
00021 #define PALUDIS_GUARD_PALUDIS_PACKAGE_ID_FWD_HH 1
00022 
00023 #include <iosfwd>
00024 #include <paludis/util/attributes.hh>
00025 #include <paludis/util/set-fwd.hh>
00026 #include <paludis/util/sequence-fwd.hh>
00027 #include <tr1/memory>
00028 
00029 /** \file
00030  * Forward declarations for paludis/package_id.hh .
00031  *
00032  * \ingroup g_package_id
00033  */
00034 
00035 namespace paludis
00036 {
00037     class PackageID;
00038     class PackageIDSetComparator;
00039     class PackageIDComparator;
00040 
00041     /**
00042      * A PackageIDSequence holds a collection of PackageID instances that may
00043      * or may not have been ordered in a meaningful way.
00044      *
00045      * \ingroup g_package_id
00046      * \since 0.26
00047      */
00048     typedef Sequence<std::tr1::shared_ptr<const PackageID> > PackageIDSequence;
00049 
00050     /**
00051      * A PackageIDSet holds a collection of PackageID instances that have no
00052      * meaningful ordering.
00053      *
00054      * \ingroup g_package_id
00055      * \since 0.26
00056      */
00057     typedef Set<std::tr1::shared_ptr<const PackageID>, PackageIDSetComparator> PackageIDSet;
00058 
00059 #include <paludis/package_id-se.hh>
00060 
00061     /**
00062      * A PackageID can be written to a stream.
00063      *
00064      * \ingroup g_package_id
00065      * \since 0.26
00066      */
00067     std::ostream & operator<< (std::ostream &, const PackageID &) PALUDIS_VISIBLE;
00068 }
00069 
00070 #endif

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