source: trunk/yat/utility/OptionHelp.h @ 1000

Last change on this file since 1000 was 1000, checked in by Jari Häkkinen, 14 years ago

trac moved to new location.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.2 KB
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1#ifndef _theplu_yat_utility_option_help_
2#define _theplu_yat_utility_option_help_
3
4// $Id: OptionHelp.h 1000 2007-12-23 20:09:15Z jari $
5
6/*
7  Copyright (C) 2007 Peter Johansson
8
9  This file is part of the yat library, http://trac.thep.lu.se/yat
10
11  The yat library is free software; you can redistribute it and/or
12  modify it under the terms of the GNU General Public License as
13  published by the Free Software Foundation; either version 2 of the
14  License, or (at your option) any later version.
15
16  The yat library is distributed in the hope that it will be useful,
17  but WITHOUT ANY WARRANTY; without even the implied warranty of
18  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  General Public License for more details.
20
21  You should have received a copy of the GNU General Public License
22  along with this program; if not, write to the Free Software
23  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24  02111-1307, USA.
25*/
26
27#include "OptionSwitch.h"
28
29#include <string>
30
31namespace theplu {
32namespace yat {
33namespace utility {
34
35  class CommandLine;
36  /**
37     \brief Class for help option
38
39     When this option is found in parsing of commandline, it displays
40     a help output exits.
41   */
42  class OptionHelp : public OptionSwitch
43  {
44  public:
45    /**
46       \brief Constructor
47       
48       \param cmd Commandline Option is associated with
49       \param name string such as "help" for --help, "h" for -h or
50       "h,help" (default) for having both short and long option name
51       \param desc string used in help display
52       \param def default value for switch
53    */
54    OptionHelp(CommandLine& cmd, std::string name="h,help", 
55               std::string desc="display this help and exit"); 
56
57    /**
58       Text to be displayed after list of arguments.
59     */
60    std::string& post_arguments(void);
61
62    /**
63       Text to be displayed in help output after usage()
64    */
65    std::string& synopsis(void);
66
67    /**
68       First line to be displayed in help output. Default this string
69       is set to "Usage: <program_name> [OPTION]...\n\n"
70     */
71    std::string& usage(void);
72
73  private:
74    std::string usage_;
75    std::string synopsis_;
76    std::string post_cmd_;
77
78    /**
79     */
80    void do_parse2(std::vector<std::string>::iterator, 
81                   std::vector<std::string>::iterator);
82
83  };
84
85}}} // of namespace utility, yat, and theplu
86
87#endif
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