2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Author : Maxim Mamontov <faust@stargazer.dp.ua>
24 #include "parser_state.h"
31 using SGCONF::OPTION_BLOCK;
33 using SGCONF::PARSER_STATE;
35 OPTION::OPTION(const std::string & shortName,
36 const std::string & longName,
38 const std::string & description)
39 : m_shortName(shortName),
42 m_description(description)
46 OPTION::OPTION(const std::string & longName,
48 const std::string & description)
49 : m_longName(longName),
51 m_description(description)
55 OPTION::OPTION(const OPTION & rhs)
56 : m_shortName(rhs.m_shortName),
57 m_longName(rhs.m_longName),
58 m_action(rhs.m_action),
59 m_description(rhs.m_description)
68 void OPTION::Help(size_t level) const
71 throw ERROR("Option is not defined.");
72 std::string indent(level, '\t');
73 std::cout << indent << "\t";
74 if (!m_shortName.empty())
75 std::cout << "-" << m_shortName << ", ";
76 std::cout << "--" << m_longName << " " << m_action->ParamDescription()
77 << "\t" << m_description << m_action->DefaultDescription() << "\n";
78 m_action->Suboptions().Help(level + 1);
81 bool OPTION::Check(const char * arg) const
90 return m_longName == arg + 1;
92 return m_shortName == arg;
95 PARSER_STATE OPTION::Parse(int argc, char ** argv)
98 throw ERROR("Option is not defined.");
101 return m_action->Parse(argc, argv);
103 catch (const ACTION::ERROR & ex)
105 throw ERROR(m_longName + ": " + ex.what());
109 void OPTION_BLOCK::Add(const std::string & shortName,
110 const std::string & longName,
112 const std::string & description)
114 m_options.push_back(OPTION(shortName, longName, action, description));
117 void OPTION_BLOCK::Add(const std::string & longName,
119 const std::string & description)
121 m_options.push_back(OPTION(longName, action, description));
124 void OPTION_BLOCK::Help(size_t level) const
126 std::for_each(m_options.begin(),
128 std::bind2nd(std::mem_fun_ref(&OPTION::Help), level));
131 PARSER_STATE OPTION_BLOCK::Parse(int argc, char ** argv)
133 PARSER_STATE state(false, argc, argv);
134 while (state.argc > 0 && !state.stop)
136 std::vector<OPTION>::iterator it = std::find_if(m_options.begin(), m_options.end(), std::bind2nd(std::mem_fun_ref(&OPTION::Check), *state.argv));
137 if (it != m_options.end())
138 state = it->Parse(--state.argc, ++state.argv);