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look::LookNumeric Class Reference

Class representing a number (integral or not). More...

#include <lknumeric.h>

Inheritance diagram for look::LookNumeric::

List of all members.

Public Methods
	LookNumeric ()
	Constructor.
	LookNumeric (long theValue)
	Construct from long.
	LookNumeric (const LookInteger &theInt)
	Construct from LookInteger.
	LookNumeric (const LookMoney &theMoney)
	Construct from LookMoney.
	LookNumeric (const LookFloat &theFloat, int thePrecision)
	Construct from LookFloat. More...
	~LookNumeric (void)
	Destructor.
	LookNumeric (const LookNumeric &theOther)
	Copy constructor.
LookNumeric&	operator= (const LookNumeric &theOther)
	Assignment.
LookNumeric&	operator= (long theValue)
	Assignment from long.
LookNumeric&	operator= (const LookInteger &theInt)
	Assignment from LookInteger.
LookNumeric&	operator= (const LookMoney &theMoney)
	Assignment from LookMoney.
LookTypeBase*	GetNewCopy (void) const
	Get a new copy. More...
long	GetTypeID (void) const
	Get Type ID. More...
void	SetFloat (const LookFloat &theFloat, int thePrecision)
	Set from a float. More...
LookFloat	GetFloat (void)
	Conversion to LookFloat.
LookInteger	GetInteger (void)
	Conversion to LookInteger.
LookMoney	GetMoney (void)
	Conversion to LookMoney.
bool	Set (const LookString &theString)
	Conversion from string. More...
LookString	GetString (void) const
	Get as a string. More...
Protected Attributes
LookString	itsString
	Its value as a string.

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Detailed Description

Class representing a number (integral or not).

This stores the number as a string, so there are no rounding issues.

Conversions to/from the various number types (LookInteger, LookMoney, LookFloat) are provided.

This is used when databases return numbers as strings (which for money is a good thing - better than float).

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Constructor & Destructor Documentation

look::LookNumeric::LookNumeric ( const LookFloat & theFloat, int thePrecision )

Construct from LookFloat. This uses LookFloat::GetString() to get the string - a precision is required as floats can't necessarily be exactly represented in decimal. Parameters: theFloat   The float thePrecision   The precision used in LookFloat::GetString()

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Member Function Documentation

LookTypeBase * look::LookNumeric::GetNewCopy ( void ) const [virtual]

Get a new copy. Virtual copy constructor, aka clone. Returns: A new copy of this. (You are responsible for deleting it). Reimplemented from look::LookTypeBase.

LookString look::LookNumeric::GetString ( void ) const

Get as a string. Returns: itsString - no conversion necessary or performed.

long look::LookNumeric::GetTypeID ( void ) const [virtual]

Get Type ID. Pseudo-rtti, or isA. Returns: LookNumericID Reimplemented from look::LookTypeBase.

bool look::LookNumeric::Set ( const LookString & theString )

Conversion from string. No checking is performed to see if theString is a number. This means subsequent conversion to number types may not work if theString is invalid. Parameters: theString   The string Returns: true

void look::LookNumeric::SetFloat ( const LookFloat & theFloat, int thePrecision )

Set from a float. A precision is required, so the assignment operator won't do. Uses LookFloat::GetString(). Parameters: theFloat   The float thePrecision   The precision

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

• lknumeric.h
• lknumeric.cpp

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