envUtil Class Reference

#include <envUtil.h>

Public Member Functions
	envUtil ()
	default constructor More...
	envUtil (const char *envName, const char *defaultValue="")
	envUtil (const char *envName, const std::string &defaultValue)
	envUtil (const std::string &defaultValue)
	constructor from the default value only More...
const std::string &	getEnv () const
	return the value More...
const std::string &	getEnv (const char *envName, const char *defaultValue="")
	acts as the constructor with the same signature More...
const std::string &	name () const
	operator const char * () const
	cast in char * (for old interface and c-like interface) More...
envUtil &	operator= (const std::string &s)
	assignement operator (change the value...) More...
void	setEnv ()
void	setEnv (const std::string &nval)

Protected Attributes
std::string	env_
std::string	envName_

Detailed Description

a class to handle enviromental variables

Definition at line 19 of file envUtil.h.

Constructor & Destructor Documentation

envUtil::envUtil ( )

inline

default constructor

Definition at line 24 of file envUtil.h.

{}

envUtil::envUtil	(	const char *	envName,
		const char *	defaultValue = ""
	)

constructor by the evironmental variable name and its default value (used if the environmental variable is not set)

Definition at line 5 of file envUtil.cc.

References env_.

                                                                :  
  envName_(envName),
  env_(::getenv(envName) ? ::getenv(envName) : "") {
  if (env_.length()==0) env_ = defaultValue;
}

envUtil::envUtil	(	const char *	envName,
		const std::string &	defaultValue
	)

constructor by the evironmental variable name and its default value (used if the environmental variable is not set)

Definition at line 12 of file envUtil.cc.

References env_.

                                                                     : 
  envName_(envName),
  env_(::getenv(envName) ? ::getenv(envName) : "") {
  if (env_.length()==0) env_ = defaultValue;
}

envUtil::envUtil ( const std::string &  defaultValue )

inline

constructor from the default value only

Definition at line 37 of file envUtil.h.

:  env_(defaultValue) {}

Member Function Documentation

const std::string& envUtil::getEnv ( ) const

inline

return the value

Definition at line 49 of file envUtil.h.

References env_.

Referenced by operator<<().

{ return env_;}

const std::string & envUtil::getEnv	(	const char *	envName,
		const char *	defaultValue = ""
	)

acts as the constructor with the same signature

Definition at line 34 of file envUtil.cc.

References env_, and envName_.

                                                                                  {
    envName_ = envName;
    env_ = ::getenv(envName) ? ::getenv(envName) : "";
    if (env_.length()==0) env_ = defaultValue;
    return env_;
  }

const std::string& envUtil::name ( void  ) const

inline

Definition at line 60 of file envUtil.h.

References envName_.

{ return envName_;}

envUtil::operator const char * ( ) const

inline

cast in char * (for old interface and c-like interface)

Definition at line 46 of file envUtil.h.

References env_.

{ return env_.c_str();}

envUtil& envUtil::operator= ( const std::string &  s )

inline

assignement operator (change the value...)

Definition at line 41 of file envUtil.h.

References env_, and alignCSCRings::s.

{ env_ = s; return *this;}

void envUtil::setEnv

(

)

Definition at line 20 of file envUtil.cc.

References env_, and envName_.

Referenced by operator>>(), and setEnv().

                     {
  if (envName_.empty()) return;
  std::string * mess = new std::string(envName_);
  *mess += "=";
  *mess += env_;
  ::putenv((char*)((*mess).c_str()));
}

void envUtil::setEnv

(

const std::string &

nval

)

Definition at line 29 of file envUtil.cc.

References env_, and setEnv().

                                           {
  env_=nval;
  setEnv();
}

Member Data Documentation

std::string envUtil::env_

protected

Definition at line 65 of file envUtil.h.

Referenced by envUtil(), getEnv(), operator const char *(), operator=(), and setEnv().

std::string envUtil::envName_

protected

Definition at line 64 of file envUtil.h.

Referenced by getEnv(), name(), and setEnv().