QgsExpression::NodeUnaryOperator Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeUnaryOperator:

Collaboration diagram for QgsExpression::NodeUnaryOperator:

List of all members.

Public Member Functions
	NodeUnaryOperator (UnaryOperator op, Node *operand)
	~NodeUnaryOperator ()
virtual void	accept (Visitor &v) const
virtual QString	dump () const
virtual QVariant	eval (QgsExpression *parent, const QgsFeature *f)
virtual bool	needsGeometry () const
virtual NodeType	nodeType () const
UnaryOperator	op () const
Node *	operand () const
virtual bool	prepare (QgsExpression *parent, const QgsFields &fields)
virtual QStringList	referencedColumns () const
Protected Attributes
UnaryOperator	mOp
Node *	mOperand

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Detailed Description

Definition at line 401 of file qgsexpression.h.

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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.

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Member Function Documentation

virtual void QgsExpression::NodeUnaryOperator::accept

(

Visitor &

v

)

const [inline, virtual]

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 1858 of file qgsexpression.cpp.

References QgsExpression::UnaryOperatorText.

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

Implements QgsExpression::Node.

Definition at line 1825 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 [inline, virtual]

Implements QgsExpression::Node.

Definition at line 416 of file qgsexpression.h.

virtual NodeType QgsExpression::NodeUnaryOperator::nodeType

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 410 of file qgsexpression.h.

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 1853 of file qgsexpression.cpp.

virtual QStringList QgsExpression::NodeUnaryOperator::referencedColumns

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 415 of file qgsexpression.h.

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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:

• src/core/qgsexpression.h
• src/core/qgsexpression.cpp