QgsExpression::NodeColumnRef Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeColumnRef:

Collaboration diagram for QgsExpression::NodeColumnRef:

Public Member Functions
	NodeColumnRef (QString name)
QString	name () const
virtual NodeType	nodeType () const
virtual bool	prepare (QgsExpression *parent, const QgsFields &fields)
virtual QVariant	eval (QgsExpression *parent, const QgsFeature *f)
virtual QString	dump () const
virtual QStringList	referencedColumns () const
virtual bool	needsGeometry () const
virtual void	accept (Visitor &v) const
Public Member Functions inherited from QgsExpression::Node
virtual	~Node ()

Protected Attributes
QString	mName
int	mIndex

Detailed Description

Definition at line 525 of file qgsexpression.h.

Constructor & Destructor Documentation

QgsExpression::NodeColumnRef::NodeColumnRef ( QString  name )

inline

Definition at line 528 of file qgsexpression.h.

Member Function Documentation

virtual void QgsExpression::NodeColumnRef::accept ( Visitor &  v ) const

inlinevirtual

Implements QgsExpression::Node.

Definition at line 540 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

QString QgsExpression::NodeColumnRef::dump ( ) const

virtual

Implements QgsExpression::Node.

Definition at line 2289 of file qgsexpression.cpp.

References QgsExpression::quotedColumnRef().

QVariant QgsExpression::NodeColumnRef::eval ( QgsExpression *  parent, const QgsFeature *  f  )

virtual

Implements QgsExpression::Node.

Definition at line 2262 of file qgsexpression.cpp.

References QgsFeature::attribute().

QString QgsExpression::NodeColumnRef::name ( ) const

inline

Definition at line 530 of file qgsexpression.h.

Referenced by QgsOgcUtils::expressionColumnRefToOgcFilter().

virtual bool QgsExpression::NodeColumnRef::needsGeometry ( ) const

inlinevirtual

Implements QgsExpression::Node.

Definition at line 538 of file qgsexpression.h.

virtual NodeType QgsExpression::NodeColumnRef::nodeType ( ) const

inlinevirtual

Implements QgsExpression::Node.

Definition at line 532 of file qgsexpression.h.

bool QgsExpression::NodeColumnRef::prepare ( QgsExpression *  parent, const QgsFields &  fields  )

virtual

Implements QgsExpression::Node.

Definition at line 2274 of file qgsexpression.cpp.

References QgsFields::count(), QgsExpression::mEvalErrorString, and tr.

virtual QStringList QgsExpression::NodeColumnRef::referencedColumns ( ) const

inlinevirtual

Implements QgsExpression::Node.

Definition at line 537 of file qgsexpression.h.

Member Data Documentation

int QgsExpression::NodeColumnRef::mIndex

protected

Definition at line 544 of file qgsexpression.h.

QString QgsExpression::NodeColumnRef::mName

protected

Definition at line 543 of file qgsexpression.h.

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

• /tmp/buildd/qgis-2.2.0+wheezy1/src/core/qgsexpression.h
• /tmp/buildd/qgis-2.2.0+wheezy1/src/core/qgsexpression.cpp