RealCmdLineOptionParser Class Reference

#include <CmdLineOptionParser.hh>

Inheritance diagram for RealCmdLineOptionParser:

Collaboration diagram for RealCmdLineOptionParser:

Public Member Functions
	RealCmdLineOptionParser (std::string name, std::string desc, std::string alias="")
virtual	~RealCmdLineOptionParser ()
virtual OptionValue *	copy () const
virtual bool	parseValue (std::string arguments, std::string prefix)
virtual double	real () const
Public Member Functions inherited from CmdLineOptionParser
	CmdLineOptionParser (std::string name, std::string desc, std::string alias, bool hidden=false)
virtual	~CmdLineOptionParser ()
std::string	longName () const
std::string	shortName () const
std::string	description () const
bool	isHidden ()
bool	isDefined ()
virtual int	integer (int index=0) const
virtual unsigned	unsignedInteger (int index=0) const
virtual std::string	String (int index=0) const
virtual bool	isFlagOn () const
virtual bool	isFlagOff () const
virtual int	listSize () const

Private Member Functions
	RealCmdLineOptionParser (const RealCmdLineOptionParser &)
	Copying not allowed.
RealCmdLineOptionParser &	operator= (const RealCmdLineOptionParser &)
	Assignment not allowed.

Private Attributes
double	value_
	The value of the option.

Additional Inherited Members
Protected Member Functions inherited from CmdLineOptionParser
void	setDefined ()

Detailed Description

CmdLineOptionParser that has a real value.

Definition at line 246 of file CmdLineOptionParser.hh.

Constructor & Destructor Documentation

RealCmdLineOptionParser() [1/2]

RealCmdLineOptionParser::RealCmdLineOptionParser	(	std::string	name,
		std::string	desc,
		std::string	alias = ""
	)

Constructor.

Parameters

name	The name of the option.
desc	The description of the option.
alias	The short name of the option.

Definition at line 507 of file CmdLineOptionParser.cc.

                     :
    CmdLineOptionParser(name, desc, alias), value_(0) {
}

~RealCmdLineOptionParser()

RealCmdLineOptionParser::~RealCmdLineOptionParser ( )

virtual

Destructor.

Definition at line 517 of file CmdLineOptionParser.cc.

                                                  {
}

RealCmdLineOptionParser() [2/2]

RealCmdLineOptionParser::RealCmdLineOptionParser ( const RealCmdLineOptionParser &  )

private

Copying not allowed.

Member Function Documentation

copy()

OptionValue * RealCmdLineOptionParser::copy ( ) const

virtual

Copies the option value into a OptionValue object.

Client is responsible of deallocating the memeory reserved for the returned object.

Returns

A copy of the option value.

Implements CmdLineOptionParser.

Definition at line 529 of file CmdLineOptionParser.cc.

                                    {
    RealOptionValue* copy = new RealOptionValue(value_);
    return copy;
}

References copy(), and value_.

Referenced by copy().

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operator=()

RealCmdLineOptionParser & RealCmdLineOptionParser::operator= ( const RealCmdLineOptionParser &  )

private

Assignment not allowed.

parseValue()

bool RealCmdLineOptionParser::parseValue ( std::string  arguments, std::string  prefix  )

virtual

Parses the value of option.

Parameters

arguments	The arguments of option.
prefix	The prefix of option.

Returns

True when parsing is ready.

Exceptions

IllegalCommandLine

If the argument is erronous.

Implements CmdLineOptionParser.

Definition at line 543 of file CmdLineOptionParser.cc.

                                                                         {
    if (prefix != "") {
        string msg = "Illegal prefix for real option";
        string method = "RealCmdLineOptionParser::parseValue()";
        throw IllegalCommandLine(__FILE__, __LINE__, method, msg);
    }
 
    // string must not contain anything else than numbers and a dot.
    if (arguments == "") {
        string msg = "Missing value for real option.";
        string method = "RealCmdLineOptionParser::parseValue()";
        throw IllegalCommandLine(__FILE__, __LINE__, method, msg);
    }
 
    istringstream istream(arguments);
    if((!(istream >> value_)) || istream.peek() != EOF) {
        string msg = "Format of " + longName() + " option value was wrong: "
            + arguments;
        string method = "RealCmdLineOptionParser::parseValue()";
        throw IllegalCommandLine(__FILE__, __LINE__, method, msg);
    }
 
    setDefined();
    return true;
}

References CmdLineOptionParser::longName(), CmdLineOptionParser::setDefined(), and value_.

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real()

double RealCmdLineOptionParser::real ( ) const

virtual

Returns the real value.

Returns

The real value.

Exceptions

WrongSubclass

Is never thrown by this function.

Reimplemented from CmdLineOptionParser.

Definition at line 576 of file CmdLineOptionParser.cc.

                                    {
    return value_;
}

References value_.

Member Data Documentation

value_

double RealCmdLineOptionParser::value_

private

The value of the option.

Definition at line 266 of file CmdLineOptionParser.hh.

Referenced by copy(), parseValue(), and real().

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The documentation for this class was generated from the following files:

• CmdLineOptionParser.hh
• CmdLineOptionParser.cc