bes  Updated for version 3.20.10
PPTStreamBuf.h
1 // PPTStreamBuf.h
2 
3 // This file is part of bes, A C++ back-end server implementation framework
4 // for the OPeNDAP Data Access Protocol.
5 
6 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
7 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
8 //
9 // This library is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU Lesser General Public
11 // License as published by the Free Software Foundation; either
12 // version 2.1 of the License, or (at your option) any later version.
13 //
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // Lesser General Public License for more details.
18 //
19 // You should have received a copy of the GNU Lesser General Public
20 // License along with this library; if not, write to the Free Software
21 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 //
23 // You can contact University Corporation for Atmospheric Research at
24 // 3080 Center Green Drive, Boulder, CO 80301
25 
26 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
27 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
28 //
29 // Authors:
30 // pwest Patrick West <pwest@ucar.edu>
31 // jgarcia Jose Garcia <jgarcia@ucar.edu>
32 
33 #ifndef I_PPTStreamBuf_h
34 #define I_PPTStreamBuf_h 1
35 
36 #include <streambuf>
37 
38 class PPTStreamBuf: public std::streambuf {
39 private:
40  unsigned d_bufsize;
41  int d_fd;
42  char * d_buffer;
43  unsigned int count;
44 
45  PPTStreamBuf() :
46  d_bufsize(0), d_fd(-1), d_buffer(nullptr), count(0)
47  {
48  }
49 public:
50  explicit PPTStreamBuf(int fd, unsigned bufsize = 1);
51  ~PPTStreamBuf() override;
52 
53 #if 0
54  unsigned int how_many() const
55  {
56  return count;
57  }
58 #endif
59 
60  void open(int fd, unsigned bufsize = 1);
61 
62  int sync() override;
63 
64  int overflow(int c) override;
65 
66  void finish();
67 };
68 
69 #endif // I_PPTStreamBuf_h 1
70