QgsExpression::NodeUnaryOperator Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeUnaryOperator:

Collaboration diagram for QgsExpression::NodeUnaryOperator:

Public Member Functions
	NodeUnaryOperator (UnaryOperator op, Node *operand)
	~NodeUnaryOperator ()
UnaryOperator	op () const
Node *	operand () 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
UnaryOperator	mOp
Node *	mOperand

Detailed Description

Definition at line 405 of file qgsexpression.h.

Constructor & Destructor Documentation

QgsExpression::NodeUnaryOperator::NodeUnaryOperator ( UnaryOperator  op, Node *  operand  )

inline

Definition at line 408 of file qgsexpression.h.

QgsExpression::NodeUnaryOperator::~NodeUnaryOperator ( )

inline

Definition at line 409 of file qgsexpression.h.

Member Function Documentation

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

inlinevirtual

Implements QgsExpression::Node.

Definition at line 421 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

QString QgsExpression::NodeUnaryOperator::dump ( ) const

virtual

Implements QgsExpression::Node.

Definition at line 2023 of file qgsexpression.cpp.

References QgsExpression::UnaryOperatorText.

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

virtual

Implements QgsExpression::Node.

Definition at line 1990 of file qgsexpression.cpp.

References ENSURE_NO_EVAL_ERROR, getDoubleValue(), getIntValue(), getTVLValue(), isDoubleSafe(), isIntSafe(), NOT, SET_EVAL_ERROR, tr, tvl2variant(), QgsExpression::uoMinus, and QgsExpression::uoNot.

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

inlinevirtual

Implements QgsExpression::Node.

Definition at line 420 of file qgsexpression.h.

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

inlinevirtual

Implements QgsExpression::Node.

Definition at line 414 of file qgsexpression.h.

References QgsExpression::ntUnaryOperator.

UnaryOperator QgsExpression::NodeUnaryOperator::op ( ) const

inline

Definition at line 411 of file qgsexpression.h.

Referenced by QgsOgcUtils::expressionUnaryOperatorToOgcFilter().

Node* QgsExpression::NodeUnaryOperator::operand ( ) const

inline

Definition at line 412 of file qgsexpression.h.

Referenced by QgsOgcUtils::expressionUnaryOperatorToOgcFilter().

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

virtual

Implements QgsExpression::Node.

Definition at line 2018 of file qgsexpression.cpp.

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

inlinevirtual

Implements QgsExpression::Node.

Definition at line 419 of file qgsexpression.h.

Member Data Documentation

UnaryOperator QgsExpression::NodeUnaryOperator::mOp

protected

Definition at line 424 of file qgsexpression.h.

Node* QgsExpression::NodeUnaryOperator::mOperand

protected

Definition at line 425 of file qgsexpression.h.

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

• /tmp/buildd/qgis-2.4.0+unstable1/src/core/qgsexpression.h
• /tmp/buildd/qgis-2.4.0+unstable1/src/core/qgsexpression.cpp