QgsExpression::NodeColumnRef Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeColumnRef:

Collaboration diagram for QgsExpression::NodeColumnRef:

List of all members.

Public Member Functions
	NodeColumnRef (QString name)
QString	name ()
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
QString	mName
int	mIndex

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Detailed Description

Definition at line 390 of file qgsexpression.h.

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Constructor & Destructor Documentation

QgsExpression::NodeColumnRef::NodeColumnRef

(

QString

name

)

[inline]

Definition at line 393 of file qgsexpression.h.

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Member Function Documentation

virtual void QgsExpression::NodeColumnRef::accept

(

Visitor &

v

)

[inline, virtual]

Implements QgsExpression::Node.

Definition at line 406 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

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

Reimplemented from QgsExpression::Node.

Definition at line 1571 of file qgsexpression.cpp.

QString QgsExpression::NodeColumnRef::dump

(

)

const [virtual]

Implements QgsExpression::Node.

Definition at line 1559 of file qgsexpression.cpp.

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

Implements QgsExpression::Node.

Definition at line 1539 of file qgsexpression.cpp.

References QgsFeature::attributeMap().

QString QgsExpression::NodeColumnRef::name

(

)

[inline]

Definition at line 395 of file qgsexpression.h.

virtual bool QgsExpression::NodeColumnRef::needsGeometry

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 405 of file qgsexpression.h.

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

Implements QgsExpression::Node.

Definition at line 1544 of file qgsexpression.cpp.

References QgsExpression::mEvalErrorString.

virtual QStringList QgsExpression::NodeColumnRef::referencedColumns

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 404 of file qgsexpression.h.

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

Reimplemented from QgsExpression::Node.

Definition at line 1564 of file qgsexpression.cpp.

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Member Data Documentation

int QgsExpression::NodeColumnRef::mIndex [protected]

Definition at line 410 of file qgsexpression.h.

QString QgsExpression::NodeColumnRef::mName [protected]

Definition at line 409 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