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#pragma once
#include "last_getopt_opts.h"
namespace NLastGetopt {
/**
* Wrapper for TOpts class to make the life a bit easier.
* Usual usage:
* TEasySetup opts;
* opts('s', "server", "MR_SERVER", "MapReduce server name in format server:port", true)
* ('u', "user", "MR_USER", "MapReduce user name", true)
* ('o', "output", "MR_TABLE", "Name of MR table which will contain results", true)
* ('r', "rules", "FILE", "Filename for .rules output file") //!< This parameter is optional and has a required argument
* ('v', "version", &PrintSvnVersionAndExit0, "Print version information") //!< Parameter with handler can't get any argument
* ("verbose", "Be verbose") //!< You may not specify short param name
*
* NLastGetopt::TOptsParseResult r(&opts, argc, argv);
*/
class TEasySetup: public TOpts {
public:
TEasySetup(const TStringBuf& optstring = TStringBuf());
TEasySetup& operator()(char shortName, const char* longName, const char* help, bool required = false);
TEasySetup& operator()(char shortName, const char* longName, const char* argName, const char* help, bool required = false);
template <class TpFunc>
TEasySetup& operator()(char shortName, const char* longName, TpFunc handler, const char* help, bool required = false) {
AdjustParam(longName, help, nullptr, handler, required).AddShortName(shortName);
return *this;
}
TEasySetup& operator()(const char* longName, const char* help, bool required = false);
TEasySetup& operator()(const char* longName, const char* argName, const char* help, bool required = false);
template <class TpFunc>
TEasySetup& operator()(const char* longName, TpFunc handler, const char* help, bool required = false) {
AdjustParam(longName, help, nullptr, handler, required);
return *this;
}
private:
TOpt& AdjustParam(const char* longName, const char* help, const char* argName, bool required);
template <class TpFunc>
TOpt& AdjustParam(const char* longName, const char* help, const char* argName, TpFunc handler, bool required) {
TOpt& o = AdjustParam(longName, help, argName, required);
o.Handler0(handler);
return o;
}
};
}
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