urlescostream.h
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1 /*
2  * Copyright (C) 2003-2005 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 #ifndef TNT_URLESCOSTREAM_H
31 #define TNT_URLESCOSTREAM_H
32 
33 #include <iostream>
34 
35 namespace tnt
36 {
37  class UrlEscStreamBuf : public std::streambuf
38  {
39  std::streambuf* sink;
40 
41  std::streambuf::int_type overflow(std::streambuf::int_type ch);
42  std::streambuf::int_type underflow();
43  int sync();
44 
45  public:
46  UrlEscStreamBuf(std::streambuf* sink_)
47  : sink(sink_)
48  { }
49 
50  void setSink(std::streambuf* sink_)
51  { sink = sink_; }
52  };
53 
54  class UrlEscOstream : public std::ostream
55  {
56  UrlEscStreamBuf streambuf;
57 
58  public:
59  UrlEscOstream(std::ostream& sink)
60  : std::ostream(0),
61  streambuf(sink.rdbuf())
62  { init(&streambuf); }
63  UrlEscOstream(std::streambuf* sink)
64  : std::ostream(0),
65  streambuf(sink)
66  { init(&streambuf); }
67 
68  void setSink(std::ostream& sink)
69  { streambuf.setSink(sink.rdbuf()); }
70  void setSink(std::streambuf* sink)
71  { streambuf.setSink(sink); }
72  };
73 
74  std::string urlEscape(const std::string& str);
75 }
76 
77 #endif // TNT_URLESCOSTREAM_H
78