component.h
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1 /*
2  * Copyright (C) 2003-2006 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 
30 
31 #ifndef TNT_COMPONENT_H
32 #define TNT_COMPONENT_H
33 
34 #include <tnt/compident.h>
35 #include <time.h>
36 
37 namespace tnt
38 {
39 
40 class HttpRequest;
41 class HttpReply;
42 class QueryParams;
43 
44 class Component
45 {
46  public:
47  virtual ~Component() { }
48 
49  virtual unsigned topCall(HttpRequest& request,
50  HttpReply& reply, tnt::QueryParams& qparam);
51  virtual unsigned operator() (HttpRequest& request,
52  HttpReply& reply, tnt::QueryParams& qparam);
53  virtual unsigned endTag (HttpRequest& request,
54  HttpReply& reply, tnt::QueryParams& qparam);
55 
56  virtual std::string getAttribute(const std::string& name,
57  const std::string& def = std::string()) const;
58 
60  unsigned call(HttpRequest& request, HttpReply& reply, tnt::QueryParams& qparam)
61  { return operator() (request, reply, qparam); }
63  unsigned call(HttpRequest& request, HttpReply& reply);
64 
66  std::string scall(HttpRequest& request, tnt::QueryParams& qparam);
68  std::string scall(HttpRequest& request);
69 };
70 
71 }
72 
73 #endif // TNT_COMPONENT_H