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Public Member Functions | Static Public Member Functions | Protected Attributes
QgsExpression::NodeUnaryOperator Class Reference

#include <qgsexpression.h>

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List of all members.

Public Member Functions

 NodeUnaryOperator (UnaryOperator op, Node *operand)
 ~NodeUnaryOperator ()
UnaryOperator op ()
Nodeoperand ()
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::NodecreateFromOgcFilter (QDomElement &element, QString &errorMessage)

Protected Attributes

UnaryOperator mOp
NodemOperand

Detailed Description

Definition at line 259 of file qgsexpression.h.


Constructor & Destructor Documentation

Definition at line 262 of file qgsexpression.h.

Definition at line 263 of file qgsexpression.h.


Member Function Documentation

virtual void QgsExpression::NodeUnaryOperator::accept ( Visitor v) [inline, virtual]

Implements QgsExpression::Node.

Definition at line 277 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

QgsExpression::Node * QgsExpression::NodeUnaryOperator::createFromOgcFilter ( QDomElement &  element,
QString &  errorMessage 
) [static]
QString QgsExpression::NodeUnaryOperator::dump ( ) const [virtual]

Implements QgsExpression::Node.

Definition at line 797 of file qgsexpression.cpp.

References QgsExpression::UnaryOperatorText.

QVariant QgsExpression::NodeUnaryOperator::eval ( QgsExpression parent,
QgsFeature f 
) [virtual]
virtual bool QgsExpression::NodeUnaryOperator::needsGeometry ( ) const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 276 of file qgsexpression.h.

Definition at line 265 of file qgsexpression.h.

Definition at line 266 of file qgsexpression.h.

bool QgsExpression::NodeUnaryOperator::prepare ( QgsExpression parent,
const QgsFieldMap fields 
) [virtual]

Implements QgsExpression::Node.

Definition at line 792 of file qgsexpression.cpp.

virtual QStringList QgsExpression::NodeUnaryOperator::referencedColumns ( ) const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 275 of file qgsexpression.h.

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

Member Data Documentation

Definition at line 280 of file qgsexpression.h.

Definition at line 281 of file qgsexpression.h.


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