paludis  Version 2.6.0
generator-fwd.hh
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1 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
2 
3 /*
4  * Copyright (c) 2008, 2009, 2010 Ciaran McCreesh
5  *
6  * This file is part of the Paludis package manager. Paludis is free software;
7  * you can redistribute it and/or modify it under the terms of the GNU General
8  * Public License version 2, as published by the Free Software Foundation.
9  *
10  * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
11  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13  * details.
14  *
15  * You should have received a copy of the GNU General Public License along with
16  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
17  * Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 
20 #ifndef PALUDIS_GUARD_PALUDIS_GENERATOR_FWD_HH
21 #define PALUDIS_GUARD_PALUDIS_GENERATOR_FWD_HH 1
22 
24 #include <iosfwd>
25 
26 /** \file
27  * Forward declarations for paludis/generator.hh .
28  *
29  * \ingroup g_selections
30  */
31 
32 namespace paludis
33 {
34  class Generator;
35 
36  namespace generator
37  {
38  class All;
39  class Matches;
40  class Package;
41  class FromRepository;
42  class InRepository;
43  class Category;
44  class Intersection;
45  class Union;
46  class Nothing;
47  template <typename> class SomeIDsMightSupportAction;
48  }
49 
50  /**
51  * Two Generator instances can be and-ed together, to obtain only PackageID
52  * instances that satisfy the constraints of Generator instances.
53  *
54  * \ingroup g_selections
55  */
56  Generator operator& (const Generator &, const Generator &)
57  PALUDIS_ATTRIBUTE((warn_unused_result)) PALUDIS_VISIBLE;
58 
59  /**
60  * Two Generator instances can be added, to obtain PackageID instances that
61  * satisfy the constraints of either Generator instance.
62  *
63  * \ingroup g_selections
64  */
65  Generator operator+ (const Generator &, const Generator &)
66  PALUDIS_ATTRIBUTE((warn_unused_result)) PALUDIS_VISIBLE;
67 
68  /**
69  * A FilteredGenerator can be represented as a string. Generally this is
70  * used only for stringifying a Selection.
71  *
72  * \ingroup g_selections
73  */
74  std::ostream & operator<< (std::ostream &, const Generator &)
75  PALUDIS_VISIBLE;
76 }
77 
78 #endif
Definition: about_metadata-fwd.hh:23
Definition: generator-fwd.hh:47
STL namespace.
Definition: generator.hh:58
Generator operator&(const Generator &, const Generator &) PALUDIS_ATTRIBUTE((warn_unused_result)) PALUDIS_VISIBLE
#define PALUDIS_ATTRIBUTE(x)
Definition: attributes.hh:53
#define PALUDIS_VISIBLE
Definition: attributes.hh:59