Inheritance diagram for QgsExpression::StaticFunction:

Public Member Functions
	StaticFunction (QString fnname, int params, FcnEval fcn, QString group, QString helpText=QString(), bool usesGeometry=false, QStringList referencedColumns=QStringList(), bool lazyEval=false, const QStringList &aliases=QStringList(), bool handlesNull=false)

virtual	~StaticFunction ()

virtual QStringList	aliases () const override
	Returns a list of possible aliases for the function. More...

virtual QVariant	func (const QVariantList &values, const QgsFeature f, QgsExpression parent) override

Public Member Functions inherited from QgsExpression::Function
	Function (const QString &fnname, int params, QString group, QString helpText=QString(), bool usesGeometry=false, QStringList referencedColumns=QStringList(), bool lazyEval=false, bool handlesNull=false)

virtual	~Function ()

QString	group ()
	The group the function belongs to. More...

virtual bool	handlesNull () const

const QString	helptext ()
	The help text for the function. More...

bool	lazyEval ()
	True if this function should use lazy evaluation. More...

QString	name ()
	The name of the function. More...

bool	operator== (const Function &other) const

int	params ()
	The number of parameters this function takes. More...

virtual QStringList	referencedColumns () const

bool	usesgeometry ()
	Does this function use a geometry object. More...

Detailed Description

Definition at line 358 of file qgsexpression.h.

Constructor & Destructor Documentation

QgsExpression::StaticFunction::StaticFunction	(	QString	fnname,
		int	params,
		FcnEval	fcn,
		QString	group,
		QString	helpText = `QString()`,
		bool	usesGeometry = `false`,
		QStringList	referencedColumns = `QStringList()`,
		bool	lazyEval = `false`,
		const QStringList &	aliases = `QStringList()`,
		bool	handlesNull = `false`
	)

inline

Definition at line 361 of file qgsexpression.h.

virtual QgsExpression::StaticFunction::~StaticFunction ( )

inlinevirtual

Definition at line 376 of file qgsexpression.h.

virtual QStringList QgsExpression::StaticFunction::aliases ( ) const

inlineoverridevirtual

Returns a list of possible aliases for the function.

These include other permissible names for the function, eg deprecated names.

Definition at line 383 of file qgsexpression.h.

virtual QVariant QgsExpression::StaticFunction::func	(	const QVariantList &	values,
		const QgsFeature *	f,
		QgsExpression *	parent
	)

inlineoverridevirtual

Definition at line 378 of file qgsexpression.h.

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