QgsExpression::NodeBinaryOperator Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeBinaryOperator:

Collaboration diagram for QgsExpression::NodeBinaryOperator:

List of all members.

Public Member Functions
	NodeBinaryOperator (BinaryOperator op, Node *opLeft, Node *opRight)
	~NodeBinaryOperator ()
BinaryOperator	op ()
Node *	opLeft ()
Node *	opRight ()
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::Node *	createFromOgcFilter (QDomElement &element, QString &errorMessage)
Protected Member Functions
bool	compare (double diff)
int	computeInt (int x, int y)
double	computeDouble (double x, double y)
Protected Attributes
BinaryOperator	mOp
Node *	mOpLeft
Node *	mOpRight

---

Detailed Description

Definition at line 284 of file qgsexpression.h.

---

Constructor & Destructor Documentation

QgsExpression::NodeBinaryOperator::NodeBinaryOperator	(	BinaryOperator	op,
		Node *	opLeft,
		Node *	opRight
	)		[inline]

Definition at line 287 of file qgsexpression.h.

QgsExpression::NodeBinaryOperator::~NodeBinaryOperator

(

)

[inline]

Definition at line 288 of file qgsexpression.h.

---

Member Function Documentation

virtual void QgsExpression::NodeBinaryOperator::accept

(

Visitor &

v

)

[inline, virtual]

Implements QgsExpression::Node.

Definition at line 303 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

bool QgsExpression::NodeBinaryOperator::compare

(

double

diff

)

[protected]

Definition at line 1016 of file qgsexpression.cpp.

References QgsExpression::boEQ, QgsExpression::boGE, QgsExpression::boGT, QgsExpression::boLE, QgsExpression::boLT, and QgsExpression::boNE.

double QgsExpression::NodeBinaryOperator::computeDouble	(	double	x,
		double	y
	)		[protected]

Definition at line 1043 of file qgsexpression.cpp.

References QgsExpression::boDiv, QgsExpression::boMinus, QgsExpression::boMod, QgsExpression::boMul, and QgsExpression::boPlus.

int QgsExpression::NodeBinaryOperator::computeInt	(	int	x,
		int	y
	)		[protected]

Definition at line 1030 of file qgsexpression.cpp.

References QgsExpression::boDiv, QgsExpression::boMinus, QgsExpression::boMod, QgsExpression::boMul, and QgsExpression::boPlus.

QgsExpression::Node * QgsExpression::NodeBinaryOperator::createFromOgcFilter	(	QDomElement &	element,
		QString &	errorMessage
	)		[static]

Reimplemented from QgsExpression::Node.

Definition at line 1167 of file qgsexpression.cpp.

References QgsExpression::BinaryOgcOperatorText, QgsExpression::boIs, and QgsExpression::createFromOgcFilter().

QString QgsExpression::NodeBinaryOperator::dump

(

)

const [virtual]

Implements QgsExpression::Node.

Definition at line 1064 of file qgsexpression.cpp.

References QgsExpression::BinaryOperatorText.

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

Implements QgsExpression::Node.

Definition at line 856 of file qgsexpression.cpp.

References AND, QgsExpression::boAnd, QgsExpression::boConcat, QgsExpression::boDiv, QgsExpression::boEQ, QgsExpression::boGE, QgsExpression::boGT, QgsExpression::boILike, QgsExpression::boIs, QgsExpression::boIsNot, QgsExpression::boLE, QgsExpression::boLike, QgsExpression::boLT, QgsExpression::boMinus, QgsExpression::boMod, QgsExpression::boMul, QgsExpression::boNE, QgsExpression::boNotILike, QgsExpression::boNotLike, QgsExpression::boOr, QgsExpression::boPlus, QgsExpression::boPow, QgsExpression::boRegexp, ENSURE_NO_EVAL_ERROR, getDoubleValue(), getIntValue(), getStringValue(), getTVLValue(), isDoubleSafe(), isIntSafe(), isNull(), OR, tvl2variant(), TVL_False, TVL_True, and TVL_Unknown.

virtual bool QgsExpression::NodeBinaryOperator::needsGeometry

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 302 of file qgsexpression.h.

BinaryOperator QgsExpression::NodeBinaryOperator::op

(

)

[inline]

Definition at line 290 of file qgsexpression.h.

Node* QgsExpression::NodeBinaryOperator::opLeft

(

)

[inline]

Definition at line 291 of file qgsexpression.h.

Node* QgsExpression::NodeBinaryOperator::opRight

(

)

[inline]

Definition at line 292 of file qgsexpression.h.

bool QgsExpression::NodeBinaryOperator::prepare	(	QgsExpression *	parent,
		const QgsFieldMap &	fields
	)		[virtual]

Implements QgsExpression::Node.

Definition at line 1057 of file qgsexpression.cpp.

virtual QStringList QgsExpression::NodeBinaryOperator::referencedColumns

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 301 of file qgsexpression.h.

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

Reimplemented from QgsExpression::Node.

Definition at line 1069 of file qgsexpression.cpp.

References QgsExpression::BinaryOgcOperatorText, QgsExpression::BinaryOperatorText, QgsExpression::boConcat, QgsExpression::boILike, QgsExpression::boIs, QgsExpression::boIsNot, QgsExpression::boLike, QgsExpression::Node::toOgcFilter(), QgsExpression::toOgcFilter(), and QgsExpression::NodeLiteral::value().

---

Member Data Documentation

BinaryOperator QgsExpression::NodeBinaryOperator::mOp [protected]

Definition at line 310 of file qgsexpression.h.

Node* QgsExpression::NodeBinaryOperator::mOpLeft [protected]

Definition at line 311 of file qgsexpression.h.

Node* QgsExpression::NodeBinaryOperator::mOpRight [protected]

Definition at line 312 of file qgsexpression.h.

---

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

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