uuencode.h
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1 /*
2  * Copyright (C) 2007 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 #ifndef CXXTOOLS_UUENCODE_H
30 #define CXXTOOLS_UUENCODE_H
31 
32 #include <iostream>
33 
34 namespace cxxtools
35 {
36  class Uuencode_streambuf : public std::streambuf
37  {
38  std::streambuf* sinksource;
39  unsigned length;
40  char* obuffer;
41  bool inStream;
42 
43  public:
44  Uuencode_streambuf(std::streambuf* sinksource_, unsigned length_ = 45)
45  : sinksource(sinksource_),
46  length(length_),
47  obuffer(new char[length]),
48  inStream(false)
49  { }
51  { end(); delete[] obuffer; }
52 
53  void begin(const std::string& filename, unsigned mode = 0644);
54  void end();
55 
56  protected:
57  std::streambuf::int_type overflow(std::streambuf::int_type ch);
58  std::streambuf::int_type underflow();
59  int sync();
60  };
61 
65  class UuencodeOstream : public std::ostream
66  {
67  Uuencode_streambuf streambuf;
68 
69  public:
70  UuencodeOstream(std::ostream& out)
71  : std::ostream(0),
72  streambuf(out.rdbuf())
73  {
74  init(&streambuf);
75  }
76 
77  UuencodeOstream(std::streambuf* sb)
78  : std::ostream(0),
79  streambuf(sb)
80  {
81  init(&streambuf);
82  }
83 
85  {
86  end();
87  }
88 
89  void begin(const std::string& filename, unsigned mode = 0644)
90  { streambuf.begin(filename, mode); }
91  void end()
92  { streambuf.end(); }
93  };
94 
95 }
96 
97 #endif // CXXTOOLS_UUENCODE_H
98