* Author : Maxim Mamontov <faust@stargazer.dp.ua>
*/
-#ifndef __STG_SGCONF_ACTIONS_H__
-#define __STG_SGCONF_ACTIONS_H__
+#pragma once
#include "action.h"
#include "options.h"
#include "parser_state.h"
#include "stg/common.h"
-#include "stg/resetable.h"
#include <string>
+#include <optional>
+
+#include <cassert>
namespace SGCONF
{
typedef void (* FUNC0)();
+template <typename F>
class FUNC0_ACTION : public ACTION
{
public:
- FUNC0_ACTION(FUNC0 func) : m_func(func) {}
+ explicit FUNC0_ACTION(const F & func) : m_func(func) {}
- virtual std::string ParamDescription() const { return ""; }
- virtual std::string DefaultDescription() const { return ""; }
- virtual OPTION_BLOCK & Suboptions() { return m_suboptions; }
- virtual PARSER_STATE Parse(int argc, char ** argv);
+ std::string ParamDescription() const override { return ""; }
+ std::string DefaultDescription() const override { return ""; }
+ OPTION_BLOCK & Suboptions() override { return m_suboptions; }
+ PARSER_STATE Parse(int argc, char ** argv, void * /*data*/) override
+ {
+ m_func();
+ return PARSER_STATE(true, argc, argv);
+ }
private:
- FUNC0 m_func;
+ F m_func;
OPTION_BLOCK m_suboptions;
};
+template <typename F>
inline
-FUNC0_ACTION * MakeFunc0Action(FUNC0 func)
+std::unique_ptr<ACTION> MakeFunc0Action(F func)
{
-return new FUNC0_ACTION(func);
+return std::make_unique<FUNC0_ACTION<F>>(func);
}
template <typename T>
-class PARAM_ACTION: public ACTION
+class PARAM_ACTION : public ACTION
{
public:
- PARAM_ACTION(RESETABLE<T> & param,
+ PARAM_ACTION(std::optional<T> & param,
const T & defaultValue,
const std::string & paramDescription)
: m_param(param),
m_description(paramDescription),
m_hasDefault(true)
{}
- PARAM_ACTION(RESETABLE<T> & param,
+ explicit PARAM_ACTION(std::optional<T> & param)
+ : m_param(param),
+ m_hasDefault(false)
+ {}
+ PARAM_ACTION(std::optional<T> & param,
const std::string & paramDescription)
: m_param(param),
m_description(paramDescription),
m_hasDefault(false)
{}
- virtual std::string ParamDescription() const { return m_description; }
- virtual std::string DefaultDescription() const;
- virtual OPTION_BLOCK & Suboptions() { return m_suboptions; }
- virtual PARSER_STATE Parse(int argc, char ** argv);
+ std::string ParamDescription() const override { return m_description; }
+ std::string DefaultDescription() const override;
+ OPTION_BLOCK & Suboptions() override { return m_suboptions; }
+ PARSER_STATE Parse(int argc, char ** argv, void * /*data*/) override;
+ void ParseValue(const std::string & value) override;
private:
- RESETABLE<T> & m_param;
+ std::optional<T> & m_param;
T m_defaltValue;
std::string m_description;
bool m_hasDefault;
inline
std::string PARAM_ACTION<T>::DefaultDescription() const
{
-return m_hasDefault ? " (default: '" + x2str(m_defaltValue) + "')"
+return m_hasDefault ? " (default: '" + std::to_string(m_defaltValue) + "')"
: "";
}
template <typename T>
inline
-PARSER_STATE PARAM_ACTION<T>::Parse(int argc, char ** argv)
+PARSER_STATE PARAM_ACTION<T>::Parse(int argc, char ** argv, void * /*data*/)
{
+if (argc == 0 ||
+ argv == NULL ||
+ *argv == NULL)
+ throw ERROR("Missing argument.");
T value;
if (str2x(*argv, value))
throw ERROR(std::string("Bad argument: '") + *argv + "'");
template <>
inline
-PARSER_STATE PARAM_ACTION<std::string>::Parse(int argc, char ** argv)
+PARSER_STATE PARAM_ACTION<bool>::Parse(int argc, char ** argv, void * /*data*/)
+{
+m_param = true;
+return PARSER_STATE(false, argc, argv);
+}
+
+template <typename T>
+inline
+void PARAM_ACTION<T>::ParseValue(const std::string & stringValue)
{
+if (stringValue.empty())
+ throw ERROR("Missing value.");
+T value;
+if (str2x(stringValue, value))
+ throw ERROR(std::string("Bad value: '") + stringValue + "'");
+m_param = value;
+}
+
+template <>
+inline
+void PARAM_ACTION<std::string>::ParseValue(const std::string & stringValue)
+{
+m_param = stringValue;
+}
+
+template <>
+inline
+PARSER_STATE PARAM_ACTION<std::string>::Parse(int argc, char ** argv, void * /*data*/)
+{
+if (argc == 0 ||
+ argv == NULL ||
+ *argv == NULL)
+ throw ERROR("Missing argument.");
m_param = *argv;
return PARSER_STATE(false, --argc, ++argv);
}
template <typename T>
inline
-PARAM_ACTION<T> * MakeParamAction(RESETABLE<T> & param,
- const T & defaultValue,
- const std::string & paramDescription)
+std::unique_ptr<ACTION> MakeParamAction(std::optional<T> & param,
+ const T & defaultValue,
+ const std::string & paramDescription)
{
-return new PARAM_ACTION<T>(param, defaultValue, paramDescription);
+return std::make_unique<PARAM_ACTION<T>>(param, defaultValue, paramDescription);
}
template <typename T>
inline
-PARAM_ACTION<T> * MakeParamAction(RESETABLE<T> & param,
- const std::string & paramDescription)
+std::unique_ptr<ACTION> MakeParamAction(std::optional<T> & param)
{
-return new PARAM_ACTION<T>(param, paramDescription);
+return std::make_unique<PARAM_ACTION<T>>(param);
}
-} // namespace SGCONF
+template <typename T>
+inline
+std::unique_ptr<ACTION> MakeParamAction(std::optional<T> & param,
+ const std::string & paramDescription)
+{
+return std::make_unique<PARAM_ACTION<T>>(param, paramDescription);
+}
+
+class KV_ACTION : public ACTION
+{
+ public:
+ KV_ACTION(const std::string & name,
+ const std::string & paramDescription)
+ : m_name(name),
+ m_description(paramDescription)
+ {}
+
+ std::string ParamDescription() const override { return m_description; }
+ std::string DefaultDescription() const override { return ""; }
+ OPTION_BLOCK & Suboptions() override { return m_suboptions; }
+ PARSER_STATE Parse(int argc, char ** argv, void * data) override;
-#endif
+ private:
+ std::string m_name;
+ std::string m_description;
+ OPTION_BLOCK m_suboptions;
+};
+
+inline
+PARSER_STATE KV_ACTION::Parse(int argc, char ** argv, void * data)
+{
+if (argc == 0 ||
+ argv == NULL ||
+ *argv == NULL)
+ throw ERROR("Missing argument.");
+assert(data != NULL && "Expecting container pointer.");
+std::map<std::string, std::string> & kvs = *static_cast<std::map<std::string, std::string>*>(data);
+kvs[m_name] = *argv;
+return PARSER_STATE(false, --argc, ++argv);
+}
+
+inline
+std::unique_ptr<ACTION> MakeKVAction(const std::string & name,
+ const std::string & paramDescription)
+{
+return std::make_unique<KV_ACTION>(name, paramDescription);
+}
+
+} // namespace SGCONF
git.stg.codes / stg.git / blobdiff