wexus::ValidationExpr Class Reference

#include <ValidationExpr.h>

Inheritance diagram for wexus::ValidationExpr:

List of all members.

Public Member Functions
	ValidationExpr (void)
	ValidationExpr (const ValidationExpr &rhs)
	shallow copy ctor
bool	isNull (void) const
	is this the default, null expression
bool	test (const QVariant &v, QStringList *outerrors=0) const
QVariant	toVariant (void) const
	package this expression into a variant
ValidationExpr	operator&& (const ValidationExpr &rhs)
	(short circuit) and operator
Static Public Member Functions
static ValidationExpr	fromVariant (const QVariant &v)
	unpackage an expression from the variant
static ValidationExpr	optional (void)
	always returns true
static ValidationExpr	required (void)
	the value cannot be invalid
static ValidationExpr	minLength (int l)
static ValidationExpr	maxLength (int l)
static ValidationExpr	notEmptyLength (void)
static ValidationExpr	minValue (double d)
static ValidationExpr	maxValue (double d)
static ValidationExpr	isEmail (void)

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Detailed Description

A validation expression.

Although there were plans to be able to create nesting operators, compelte with ! || and other operators, this was deemed to confusing with respect to how to make meaningfull error messages. A future project, perhaps.

Author:

Aleksander Demko

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Constructor & Destructor Documentation

wexus::ValidationExpr::ValidationExpr

(

void

)

Null expression, that doesn't require anything This expression cannot be used or tested.

Author:

Aleksander Demko

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Member Function Documentation

bool wexus::ValidationExpr::test	(	const QVariant &	v,
		QStringList *	outerrors = 0
	)		const

tests to se if v meets the requiresments of the expressinall the tests this ValidationExpr cannt be null

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

• wexus2.src/wexus/ValidationExpr.h