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>
21 #ifndef __STG_SGCONF_ACTIONS_H__
22 #define __STG_SGCONF_ACTIONS_H__
26 #include "parser_state.h"
28 #include "stg/common.h"
29 #include "stg/resetable.h"
36 typedef void (* FUNC0)();
38 class FUNC0_ACTION : public ACTION
41 FUNC0_ACTION(FUNC0 func) : m_func(func) {}
43 virtual std::string ParamDescription() const { return ""; }
44 virtual std::string DefaultDescription() const { return ""; }
45 virtual OPTION_BLOCK & Suboptions() { return m_suboptions; }
46 virtual PARSER_STATE Parse(int argc, char ** argv);
50 OPTION_BLOCK m_suboptions;
54 FUNC0_ACTION * MakeFunc0Action(FUNC0 func)
56 return new FUNC0_ACTION(func);
60 class PARAM_ACTION: public ACTION
63 PARAM_ACTION(RESETABLE<T> & param,
64 const T & defaultValue,
65 const std::string & paramDescription)
67 m_defaltValue(defaultValue),
68 m_description(paramDescription),
71 PARAM_ACTION(RESETABLE<T> & param,
72 const std::string & paramDescription)
74 m_description(paramDescription),
78 virtual std::string ParamDescription() const { return m_description; }
79 virtual std::string DefaultDescription() const;
80 virtual OPTION_BLOCK & Suboptions() { return m_suboptions; }
81 virtual PARSER_STATE Parse(int argc, char ** argv);
84 RESETABLE<T> & m_param;
86 std::string m_description;
88 OPTION_BLOCK m_suboptions;
93 std::string PARAM_ACTION<T>::DefaultDescription() const
95 return m_hasDefault ? " (default: '" + x2str(m_defaltValue) + "')"
101 std::string PARAM_ACTION<std::string>::DefaultDescription() const
103 return m_hasDefault ? " (default: '" + m_defaltValue + "')"
107 template <typename T>
109 PARSER_STATE PARAM_ACTION<T>::Parse(int argc, char ** argv)
112 if (str2x(*argv, value))
113 throw ERROR(std::string("Bad argument: '") + *argv + "'");
115 return PARSER_STATE(false, --argc, ++argv);
120 PARSER_STATE PARAM_ACTION<std::string>::Parse(int argc, char ** argv)
123 return PARSER_STATE(false, --argc, ++argv);
126 template <typename T>
128 PARAM_ACTION<T> * MakeParamAction(RESETABLE<T> & param,
129 const T & defaultValue,
130 const std::string & paramDescription)
132 return new PARAM_ACTION<T>(param, defaultValue, paramDescription);
135 template <typename T>
137 PARAM_ACTION<T> * MakeParamAction(RESETABLE<T> & param,
138 const std::string & paramDescription)
140 return new PARAM_ACTION<T>(param, paramDescription);
143 } // namespace SGCONF