1 | // $Id: Option.cc 1487 2008-09-10 08:41:36Z jari $ |
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2 | |
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3 | /* |
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4 | Copyright (C) 2007 Jari Häkkinen, Peter Johansson |
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5 | Copyright (C) 2008 Peter Johansson |
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6 | |
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7 | This file is part of the yat library, http://dev.thep.lu.se/yat |
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8 | |
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9 | The yat library is free software; you can redistribute it and/or |
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10 | modify it under the terms of the GNU General Public License as |
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11 | published by the Free Software Foundation; either version 3 of the |
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12 | License, or (at your option) any later version. |
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13 | |
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14 | The yat library is distributed in the hope that it will be useful, |
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15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | General Public License for more details. |
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18 | |
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19 | You should have received a copy of the GNU General Public License |
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20 | along with yat. If not, see <http://www.gnu.org/licenses/>. |
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21 | */ |
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22 | |
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23 | #include "Option.h" |
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24 | #include "CommandLine.h" |
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25 | |
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26 | #include <iostream> |
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27 | #include <sstream> |
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28 | #include <stdexcept> |
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29 | #include <string> |
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30 | |
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31 | namespace theplu { |
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32 | namespace yat { |
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33 | namespace utility { |
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34 | |
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35 | |
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36 | Option::Option(CommandLine& cmd, std::string flag, std::string desc) |
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37 | : cmd_(cmd), description_(desc), present_(false) |
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38 | { |
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39 | if (flag.empty()) |
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40 | throw std::runtime_error("yat: Option: given flag is empty"); |
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41 | if (flag.size()==1 || (flag.size()==2 && flag[1]==',')) |
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42 | short_name_ = flag[0]; |
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43 | else if (flag[1]==','){ |
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44 | short_name_ = flag[0]; |
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45 | long_name_ = flag.substr(2); |
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46 | if (long_name_.size()==1) |
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47 | long_name_=""; |
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48 | } |
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49 | else { |
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50 | short_name_ = '\0'; |
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51 | long_name_=flag; |
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52 | } |
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53 | cmd.add(*this); |
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54 | } |
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55 | |
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56 | |
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57 | Option::~Option(void) |
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58 | { |
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59 | } |
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60 | |
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61 | |
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62 | const CommandLine& Option::cmd(void) const |
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63 | { |
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64 | return cmd_; |
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65 | } |
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66 | |
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67 | |
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68 | std::string Option::description(void) const |
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69 | { |
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70 | return description_; |
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71 | } |
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72 | |
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73 | |
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74 | std::string Option::long_name(void) const |
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75 | { |
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76 | return long_name_; |
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77 | } |
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78 | |
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79 | |
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80 | void Option::parse(std::vector<std::string>::iterator& first, |
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81 | const std::vector<std::string>::iterator& last) |
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82 | { |
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83 | present_=true; |
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84 | do_parse(first, last); |
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85 | } |
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86 | |
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87 | |
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88 | bool Option::present(void) const |
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89 | { |
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90 | return present_; |
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91 | } |
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92 | |
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93 | |
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94 | std::string Option::print(void) |
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95 | { |
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96 | return print1()+print2()+print3()+std::string("\t")+print4(); |
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97 | } |
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98 | |
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99 | |
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100 | std::string Option::print1(void) const |
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101 | { |
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102 | std::string str; |
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103 | if (short_name()){ |
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104 | str = std::string("-")+short_name(); |
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105 | if (!long_name().empty()) |
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106 | str += std::string(","); |
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107 | } |
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108 | else |
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109 | str = std::string(" "); |
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110 | return str; |
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111 | } |
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112 | |
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113 | |
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114 | std::string Option::print2(void) const |
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115 | { |
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116 | if (long_name().size()) |
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117 | return std::string(" --")+long_name(); |
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118 | return std::string(); |
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119 | } |
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120 | |
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121 | |
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122 | std::string Option::print3(void) const |
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123 | { |
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124 | return std::string(); |
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125 | } |
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126 | |
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127 | |
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128 | std::string Option::print4(void) const |
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129 | { |
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130 | return description_; |
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131 | } |
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132 | |
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133 | |
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134 | void Option::reset(void) |
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135 | { |
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136 | present_=false; |
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137 | } |
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138 | |
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139 | |
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140 | char Option::short_name(void) const |
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141 | { |
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142 | return short_name_; |
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143 | } |
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144 | |
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145 | |
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146 | void Option::validate() |
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147 | { |
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148 | do_validate(); |
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149 | } |
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150 | |
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151 | }}} // of namespace utility, yat, and theplu |
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