metaproxy  1.21.0
factory_filter.hpp
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1 /* This file is part of Metaproxy.
2  Copyright (C) Index Data
3 
4 Metaproxy is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
7 version.
8 
9 Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 for more details.
13 
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18 
19 #ifndef FACTORY_FILTER_HPP
20 #define FACTORY_FILTER_HPP
21 
22 #include <stdexcept>
23 #include <iostream>
24 #include <string>
25 #include <map>
26 
27 #include <boost/noncopyable.hpp>
28 #include <boost/scoped_ptr.hpp>
29 
30 #include <metaproxy/filter.hpp>
31 
32 namespace metaproxy_1 {
33  class FactoryFilter : public boost::noncopyable
34  {
35  typedef metaproxy_1::filter::Base* (*CreateFilterCallback)();
36 
37  class Rep;
38  public:
40 
41  FactoryFilter();
43 
44  bool add_creator(const std::string &fi, CreateFilterCallback cfc);
45 
46  bool drop_creator(std::string fi);
47 
48  metaproxy_1::filter::Base* create(std::string fi);
49  bool exist(std::string fi);
50 
51  bool add_creator_dl(const std::string &fi, const std::string &path);
52 
53  class NotFound : public std::runtime_error {
54  public:
55  NotFound(const std::string msg);
56  };
57  private:
58  boost::scoped_ptr<Rep> m_p;
59  };
60 }
61 
62 #endif
63 /*
64  * Local variables:
65  * c-basic-offset: 4
66  * c-file-style: "Stroustrup"
67  * indent-tabs-mode: nil
68  * End:
69  * vim: shiftwidth=4 tabstop=8 expandtab
70  */
71 
boost::scoped_ptr< Rep > m_p
metaproxy_1::filter::Base * create(std::string fi)
FactoryFilter()
true if registration ok
bool add_creator(const std::string &fi, CreateFilterCallback cfc)
bool add_creator_dl(const std::string &fi, const std::string &path)
metaproxy_1::filter::Base *(* CreateFilterCallback)()
bool exist(std::string fi)
bool drop_creator(std::string fi)