QwOptions.h File Reference

An options class which parses command line, config file and environment. More...

#include <iostream>
#include <string>
#include <vector>
#include <boost/program_options.hpp>
#include <TString.h>
#include "QwLog.h"

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Data Structures
class	QwOptions
	Command-line and configuration file options processor. More...

Macros
#define	gQwOptions   QwOptions::Instance()
#define	default_bool_value(b)

Functions
const char *	getenv_safe (const char *name)
const std::string	getenv_safe_string (const char *name)
const TString	getenv_safe_TString (const char *name)

Detailed Description

An options class which parses command line, config file and environment.

Command-line options processing using Boost.Program_options.

Author

Wouter Deconinck

Date

2009-12-01

Definition in file QwOptions.h.

Macro Definition Documentation

default_bool_value

#define default_bool_value

(

b

)

Value:

default_value(b)->implicit_value(true)

Definition at line 54 of file QwOptions.h.

gQwOptions

#define gQwOptions   QwOptions::Instance()

Definition at line 31 of file QwOptions.h.

Referenced by main(), main(), QwPromptSummary::PrintCSV(), QwEventRing::ProcessOptions(), and QwRootFile::QwRootFile().

Function Documentation

getenv_safe()

const char * getenv_safe ( const char * name )

inline

Definition at line 34 of file QwOptions.h.

                                                  {
 if (getenv(name))
   return getenv(name);
 else {
   QwError << "Environment variable " << name << " undefined!" << QwLog::endl;
   QwWarning << "Using current directory instead." << QwLog::endl;
   return ".";
 }
}

References QwLog::endl(), QwError, and QwWarning.

Referenced by getenv_safe_string(), and getenv_safe_TString().

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getenv_safe_string()

const std::string getenv_safe_string ( const char * name )

inline

Definition at line 43 of file QwOptions.h.

                                                             {
 return std::string(getenv_safe(name));
}

References getenv_safe().

Referenced by main(), and main().

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getenv_safe_TString()

const TString getenv_safe_TString ( const char * name )

inline

Definition at line 46 of file QwOptions.h.

                                                            {
 return TString(getenv_safe(name));
}

References getenv_safe().

Referenced by main().

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