source: trunk/yat/utility/Option.cc @ 1465

Last change on this file since 1465 was 1465, checked in by Peter, 13 years ago

fixes #418

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.8 KB
Line 
1// $Id: Option.cc 1465 2008-09-02 03:17:32Z peter $
2
3/*
4  Copyright (C) 2007 Jari Häkkinen, Peter Johansson
5  Copyright (C) 2008 Peter Johansson
6
7  This file is part of the yat library, http://dev.thep.lu.se/yat
8
9  The yat library is free software; you can redistribute it and/or
10  modify it under the terms of the GNU General Public License as
11  published by the Free Software Foundation; either version 2 of the
12  License, or (at your option) any later version.
13
14  The yat 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  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 Free Software
21  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
22  02111-1307, USA.
23*/
24
25#include "Option.h"
26#include "CommandLine.h"
27
28#include <iostream>
29#include <sstream>
30#include <stdexcept>
31#include <string>
32
33namespace theplu {
34namespace yat {
35namespace utility {
36
37
38  Option::Option(CommandLine& cmd, std::string flag, std::string desc)
39    : cmd_(cmd), description_(desc), present_(false)
40  {
41    if (flag.empty())
42      throw std::runtime_error("yat: Option: given flag is empty");
43    if (flag.size()==1 || (flag.size()==2 && flag[1]==','))
44      short_name_ = flag[0];
45    else if (flag[1]==','){
46      short_name_ = flag[0];
47      long_name_ = flag.substr(2);
48      if (long_name_.size()==1)
49        long_name_="";
50    }
51    else {
52      short_name_ = '\0';
53      long_name_=flag;
54    }
55    cmd.add(*this);
56  }
57
58
59  Option::~Option(void)
60  {
61  }
62
63
64  const CommandLine& Option::cmd(void) const
65  {
66    return cmd_;
67  }
68
69
70  std::string Option::description(void) const
71  {
72    return description_;
73  }
74
75
76  std::string Option::long_name(void) const
77  {
78    return long_name_;
79  }
80
81
82  void Option::parse(std::vector<std::string>::iterator& first, 
83                     const std::vector<std::string>::iterator& last)
84  {
85    present_=true;
86    do_parse(first, last);
87  }
88
89
90  bool Option::present(void) const
91  {
92    return present_;
93  }
94
95
96  std::string Option::print(void)
97  {
98    return print1()+print2()+print3()+std::string("\t")+print4();
99  }
100
101
102  std::string Option::print1(void) const
103  {
104    std::string str;
105    if (short_name()){
106      str = std::string("-")+short_name();
107      if (!long_name().empty())
108        str += std::string(",");
109    }
110    else
111      str = std::string("   ");
112    return str;
113  }
114
115   
116  std::string Option::print2(void) const
117  {
118    if (long_name().size()) 
119      return std::string(" --")+long_name();
120    return std::string();
121  }
122
123
124  std::string Option::print3(void) const
125  {
126    return std::string();
127  }
128
129
130  std::string Option::print4(void) const
131  {
132    return description_;
133  }
134
135
136  void Option::reset(void)
137  {
138    present_=false;
139  }
140
141
142  char Option::short_name(void) const
143  {
144    return short_name_;
145  }
146
147
148  void Option::validate()
149  {
150    do_validate();
151  }
152
153}}} // of namespace utility, yat, and theplu
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