libcoyotl - A Library of C++ Tools

Created by Scott Robert Ladd at Coyote Gulch Productions.


command_line.h
1 //---------------------------------------------------------------------
2 // Algorithmic Conjurings @ http://www.coyotegulch.com
3 //
4 // command_line.h (libcoyotl)
5 //---------------------------------------------------------------------
6 //
7 // Copyright 1990-2005 Scott Robert Ladd
8 //
9 // This program is free software; you can redistribute it and/or modify
10 // it under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // This program 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
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License
20 // along with this program; if not, write to the
21 // Free Software Foundation, Inc.
22 // 59 Temple Place - Suite 330
23 // Boston, MA 02111-1307, USA.
24 //
25 //-----------------------------------------------------------------------
26 //
27 // For more information on this software package, please visit
28 // Scott's web site, Coyote Gulch Productions, at:
29 //
30 // http://www.coyotegulch.com
31 //
32 //-----------------------------------------------------------------------
33 
34 #if !defined(LIBCOYOTL_COMMAND_LINE_H)
35 #define LIBCOYOTL_COMMAND_LINE_H
36 
37 // Standard C++
38 #include <string>
39 #include <vector>
40 #include <set>
41 
42 namespace libcoyotl
43 {
44  using std::string;
45  using std::vector;
46  using std::set;
47 
48  // a very simple command-line parser
50  {
51  public:
52  struct option
53  {
54  string m_name;
55  string m_value;
56 
57  option(const string & a_name)
58  : m_name(a_name), m_value("")
59  {
60  // nada
61  }
62  };
63 
64  // create a command line parser
65  command_line(int argc, char * argv[], const set<string> & bool_opts);
66 
67  // retrieve a list of options
68  const vector<option> & get_options() const
69  {
70  return m_options;
71  }
72 
73  // retrieve a list of input values
74  const vector<string> & get_inputs() const
75  {
76  return m_inputs;
77  }
78 
79  private:
80  // the set of option names, with associated values
81  vector<option> m_options;
82 
83  // the set of inputs -- command line arguments not associated with an option
84  vector<string> m_inputs;
85 
86  // a list of boolean options, which have no values
87  const std::set<std::string> & m_bool_opts;
88  };
89 
90 }
91 
92 #endif

© 1996-2005 Scott Robert Ladd. All rights reserved.
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