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 401 of file qgsexpression.h.

Constructor & Destructor Documentation

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

inline

Definition at line 404 of file qgsexpression.h.

QgsExpression::NodeUnaryOperator::~NodeUnaryOperator ( )

inline

Definition at line 405 of file qgsexpression.h.

Member Function Documentation

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

inlinevirtual

Implements QgsExpression::Node.

Definition at line 417 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

QString QgsExpression::NodeUnaryOperator::dump ( ) const

virtual

Implements QgsExpression::Node.

Definition at line 1862 of file qgsexpression.cpp.

References QgsExpression::UnaryOperatorText.

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

virtual

Implements QgsExpression::Node.

Definition at line 1829 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 416 of file qgsexpression.h.

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

inlinevirtual

Implements QgsExpression::Node.

Definition at line 410 of file qgsexpression.h.

References QgsExpression::ntUnaryOperator.

UnaryOperator QgsExpression::NodeUnaryOperator::op ( ) const

inline

Definition at line 407 of file qgsexpression.h.

Referenced by QgsOgcUtils::expressionUnaryOperatorToOgcFilter().

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

inline

Definition at line 408 of file qgsexpression.h.

Referenced by QgsOgcUtils::expressionUnaryOperatorToOgcFilter().

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

virtual

Implements QgsExpression::Node.

Definition at line 1857 of file qgsexpression.cpp.

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

inlinevirtual

Implements QgsExpression::Node.

Definition at line 415 of file qgsexpression.h.

Member Data Documentation

UnaryOperator QgsExpression::NodeUnaryOperator::mOp

protected

Definition at line 420 of file qgsexpression.h.

Node* QgsExpression::NodeUnaryOperator::mOperand

protected

Definition at line 421 of file qgsexpression.h.

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

• /build/buildd/qgis-2.0.1/src/core/qgsexpression.h
• /build/buildd/qgis-2.0.1/src/core/qgsexpression.cpp