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"
38 typedef void (* FUNC0)();
41 class FUNC0_ACTION : public ACTION
44 FUNC0_ACTION(const F & func) : m_func(func) {}
46 virtual ACTION * Clone() const { return new FUNC0_ACTION<F>(*this); }
48 virtual std::string ParamDescription() const { return ""; }
49 virtual std::string DefaultDescription() const { return ""; }
50 virtual OPTION_BLOCK & Suboptions() { return m_suboptions; }
51 virtual PARSER_STATE Parse(int argc, char ** argv, void * /*data*/)
54 return PARSER_STATE(true, argc, argv);
59 OPTION_BLOCK m_suboptions;
64 FUNC0_ACTION<F> * MakeFunc0Action(F func)
66 return new FUNC0_ACTION<F>(func);
70 class PARAM_ACTION : public ACTION
73 PARAM_ACTION(RESETABLE<T> & param,
74 const T & defaultValue,
75 const std::string & paramDescription)
77 m_defaltValue(defaultValue),
78 m_description(paramDescription),
81 PARAM_ACTION(RESETABLE<T> & param,
82 const std::string & paramDescription)
84 m_description(paramDescription),
88 virtual ACTION * Clone() const { return new PARAM_ACTION<T>(*this); }
90 virtual std::string ParamDescription() const { return m_description; }
91 virtual std::string DefaultDescription() const;
92 virtual OPTION_BLOCK & Suboptions() { return m_suboptions; }
93 virtual PARSER_STATE Parse(int argc, char ** argv, void * /*data*/);
94 virtual void ParseValue(const std::string & value);
97 RESETABLE<T> & m_param;
99 std::string m_description;
101 OPTION_BLOCK m_suboptions;
104 template <typename T>
106 std::string PARAM_ACTION<T>::DefaultDescription() const
108 return m_hasDefault ? " (default: '" + x2str(m_defaltValue) + "')"
114 std::string PARAM_ACTION<std::string>::DefaultDescription() const
116 return m_hasDefault ? " (default: '" + m_defaltValue + "')"
120 template <typename T>
122 PARSER_STATE PARAM_ACTION<T>::Parse(int argc, char ** argv, void * /*data*/)
127 throw ERROR("Missing argument.");
129 if (str2x(*argv, value))
130 throw ERROR(std::string("Bad argument: '") + *argv + "'");
132 return PARSER_STATE(false, --argc, ++argv);
135 template <typename T>
137 void PARAM_ACTION<T>::ParseValue(const std::string & stringValue)
139 if (stringValue.empty())
140 throw ERROR("Missing value.");
142 if (str2x(stringValue, value))
143 throw ERROR(std::string("Bad value: '") + stringValue + "'");
149 void PARAM_ACTION<std::string>::ParseValue(const std::string & stringValue)
151 m_param = stringValue;
156 PARSER_STATE PARAM_ACTION<std::string>::Parse(int argc, char ** argv, void * /*data*/)
161 throw ERROR("Missing argument.");
163 return PARSER_STATE(false, --argc, ++argv);
166 template <typename T>
168 PARAM_ACTION<T> * MakeParamAction(RESETABLE<T> & param,
169 const T & defaultValue,
170 const std::string & paramDescription)
172 return new PARAM_ACTION<T>(param, defaultValue, paramDescription);
175 template <typename T>
177 PARAM_ACTION<T> * MakeParamAction(RESETABLE<T> & param,
178 const std::string & paramDescription)
180 return new PARAM_ACTION<T>(param, paramDescription);
183 class KV_ACTION : public ACTION
186 KV_ACTION(const std::string & name,
187 const std::string & paramDescription)
189 m_description(paramDescription)
192 virtual ACTION * Clone() const { return new KV_ACTION(*this); }
194 virtual std::string ParamDescription() const { return m_description; }
195 virtual std::string DefaultDescription() const { return ""; }
196 virtual OPTION_BLOCK & Suboptions() { return m_suboptions; }
197 virtual PARSER_STATE Parse(int argc, char ** argv, void * data);
201 std::string m_description;
202 OPTION_BLOCK m_suboptions;
206 PARSER_STATE KV_ACTION::Parse(int argc, char ** argv, void * data)
211 throw ERROR("Missing argument.");
212 assert(data != NULL && "Expecting container pointer.");
213 std::map<std::string, std::string> & kvs = *static_cast<std::map<std::string, std::string>*>(data);
215 return PARSER_STATE(false, --argc, ++argv);
219 KV_ACTION * MakeKVAction(const std::string & name,
220 const std::string & paramDescription)
222 return new KV_ACTION(name, paramDescription);
225 } // namespace SGCONF