QgsExpression::NodeLiteral Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeLiteral:

Collaboration diagram for QgsExpression::NodeLiteral:

List of all members.

Public Member Functions
	NodeLiteral (QVariant value)
QVariant	value ()
virtual bool	prepare (QgsExpression *parent, const QgsFieldMap &fields)
virtual QVariant	eval (QgsExpression *parent, QgsFeature *f)
virtual QString	dump () const
virtual void	toOgcFilter (QDomDocument &doc, QDomElement &element) const
virtual QStringList	referencedColumns () const
virtual bool	needsGeometry () const
virtual void	accept (Visitor &v)
Static Public Member Functions
static QgsExpression::Node *	createFromOgcFilter (QDomElement &element, QString &errorMessage)
Protected Attributes
QVariant	mValue

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Detailed Description

Definition at line 368 of file qgsexpression.h.

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Constructor & Destructor Documentation

QgsExpression::NodeLiteral::NodeLiteral

(

QVariant

value

)

[inline]

Definition at line 371 of file qgsexpression.h.

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Member Function Documentation

virtual void QgsExpression::NodeLiteral::accept

(

Visitor &

v

)

[inline, virtual]

Implements QgsExpression::Node.

Definition at line 384 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

QgsExpression::Node * QgsExpression::NodeLiteral::createFromOgcFilter	(	QDomElement &	element,
		QString &	errorMessage
	)		[static]

Reimplemented from QgsExpression::Node.

Definition at line 1476 of file qgsexpression.cpp.

References QgsExpression::boConcat, and QgsExpression::createFromOgcFilter().

QString QgsExpression::NodeLiteral::dump

(

)

const [virtual]

Implements QgsExpression::Node.

Definition at line 1437 of file qgsexpression.cpp.

QVariant QgsExpression::NodeLiteral::eval	(	QgsExpression *	parent,
		QgsFeature *	f
	)		[virtual]

Implements QgsExpression::Node.

Definition at line 1426 of file qgsexpression.cpp.

virtual bool QgsExpression::NodeLiteral::needsGeometry

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 383 of file qgsexpression.h.

bool QgsExpression::NodeLiteral::prepare	(	QgsExpression *	parent,
		const QgsFieldMap &	fields
	)		[virtual]

Implements QgsExpression::Node.

Definition at line 1431 of file qgsexpression.cpp.

virtual QStringList QgsExpression::NodeLiteral::referencedColumns

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 382 of file qgsexpression.h.

void QgsExpression::NodeLiteral::toOgcFilter	(	QDomDocument &	doc,
		QDomElement &	element
	)		const [virtual]

Reimplemented from QgsExpression::Node.

Definition at line 1451 of file qgsexpression.cpp.

QVariant QgsExpression::NodeLiteral::value

(

)

[inline]

Definition at line 373 of file qgsexpression.h.

Referenced by QgsExpression::NodeBinaryOperator::toOgcFilter().

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Member Data Documentation

QVariant QgsExpression::NodeLiteral::mValue [protected]

Definition at line 387 of file qgsexpression.h.

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

• src/core/qgsexpression.h
• src/core/qgsexpression.cpp