#include "qgsexpression.h"
#include <QtDebug>
#include <QDomDocument>
#include <QSettings>
#include <QDate>
#include <QRegExp>
#include <QColor>
#include <math.h>
#include <limits>
#include "qgsdistancearea.h"
#include "qgsfeature.h"
#include "qgsgeometry.h"
#include "qgslogger.h"
#include "qgsogcutils.h"
#include "qgsvectorlayer.h"
#include "qgssymbollayerv2utils.h"
#include "qgsvectorcolorrampv2.h"
#include "qgsstylev2.h"

Include dependency graph for qgsexpression.cpp:

Macros
#define	TVL_True QVariant(1)
#define	TVL_False QVariant(0)
#define	TVL_Unknown QVariant()
#define	ENSURE_NO_EVAL_ERROR { if (parent->hasEvalError()) return QVariant(); }
#define	SET_EVAL_ERROR(x) { parent->setEvalErrorString(x); return QVariant(); }
#define	ENSURE_GEOM_TYPE(f, g, geomtype)

Enumerations
enum	TVL { False, True, Unknown }

Functions
QgsExpression::Node *	parseExpression (const QString &str, QString &parserErrorMsg)
static QVariant	tvl2variant (TVL v)
bool	isIntSafe (const QVariant &v)
bool	isDoubleSafe (const QVariant &v)
bool	isDateTimeSafe (const QVariant &v)
bool	isIntervalSafe (const QVariant &v)
bool	isNull (const QVariant &v)
static QString	getStringValue (const QVariant &value, QgsExpression *)
static double	getDoubleValue (const QVariant &value, QgsExpression *parent)
static int	getIntValue (const QVariant &value, QgsExpression *parent)
static QDateTime	getDateTimeValue (const QVariant &value, QgsExpression *parent)
static QDate	getDateValue (const QVariant &value, QgsExpression *parent)
static QTime	getTimeValue (const QVariant &value, QgsExpression *parent)
static QgsExpression::Interval	getInterval (const QVariant &value, QgsExpression *parent, bool report_error=false)
static QgsGeometry	getGeometry (const QVariant &value, QgsExpression *parent)
static TVL	getTVLValue (const QVariant &value, QgsExpression *parent)
static QVariant	fcnSqrt (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnAbs (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnSin (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnCos (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnTan (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnAsin (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnAcos (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnAtan (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnAtan2 (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnExp (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnLn (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnLog10 (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnLog (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnRndF (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnRnd (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnLinearScale (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnExpScale (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnMax (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnMin (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnClamp (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnFloor (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnCeil (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnToInt (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnToReal (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnToString (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnToDateTime (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnCoalesce (const QVariantList &values, const QgsFeature , QgsExpression )
static QVariant	fcnLower (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnUpper (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnTitle (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnTrim (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnLength (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnReplace (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnRegexpReplace (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnRegexpMatch (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnRegexpSubstr (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnSubstr (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnRowNumber (const QVariantList &, const QgsFeature , QgsExpression parent)
static QVariant	fcnFeatureId (const QVariantList &, const QgsFeature f, QgsExpression )
static QVariant	fcnConcat (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnStrpos (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnRight (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnLeft (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnRPad (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnLPad (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnFormatString (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnNow (const QVariantList &, const QgsFeature , QgsExpression )
static QVariant	fcnToDate (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnToTime (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnToInterval (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnAge (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnDay (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnYear (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnMonth (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnWeek (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnHour (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnMinute (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnSeconds (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnX (const QVariantList &, const QgsFeature f, QgsExpression )
static QVariant	fcnY (const QVariantList &, const QgsFeature f, QgsExpression )
static QVariant	pointAt (const QVariantList &values, const QgsFeature f, QgsExpression parent)
static QVariant	fcnXat (const QVariantList &values, const QgsFeature f, QgsExpression parent)
static QVariant	fcnYat (const QVariantList &values, const QgsFeature f, QgsExpression parent)
static QVariant	fcnGeometry (const QVariantList &, const QgsFeature f, QgsExpression )
static QVariant	fcnGeomFromWKT (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnGeomFromGML (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnGeomArea (const QVariantList &, const QgsFeature f, QgsExpression parent)
static QVariant	fcnGeomLength (const QVariantList &, const QgsFeature f, QgsExpression parent)
static QVariant	fcnGeomPerimeter (const QVariantList &, const QgsFeature f, QgsExpression parent)
static QVariant	fcnBbox (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnDisjoint (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnIntersects (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnTouches (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnCrosses (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnContains (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnOverlaps (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnWithin (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnBuffer (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnCentroid (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnConvexHull (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnDifference (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnDistance (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnIntersection (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnSymDifference (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnCombine (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnGeomToWKT (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnRound (const QVariantList &values, const QgsFeature f, QgsExpression parent)
static QVariant	fcnPi (const QVariantList &values, const QgsFeature f, QgsExpression parent)
static QVariant	fcnScale (const QVariantList &, const QgsFeature , QgsExpression parent)
static QVariant	fcnFormatNumber (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnFormatDate (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnColorRgb (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fncColorRgba (const QVariantList &values, const QgsFeature , QgsExpression parent)
QVariant	fcnRampColor (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnColorHsl (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fncColorHsla (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnColorHsv (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fncColorHsva (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnColorCmyk (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fncColorCmyka (const QVariantList &values, const QgsFeature , QgsExpression parent)
static QVariant	fcnSpecialColumn (const QVariantList &values, const QgsFeature , QgsExpression parent)

Variables
static TVL	AND [3][3]
static TVL	OR [3][3]
static TVL	NOT [3] = { True, False, Unknown }

Macro Definition Documentation

#define ENSURE_GEOM_TYPE	(	f,
		g,
		geomtype
	)

Value:

if (!f) return QVariant(); \
  QgsGeometry* g = f->geometry(); \
  if (!g || g->type() != geomtype) return QVariant();

Definition at line 909 of file qgsexpression.cpp.

Referenced by fcnGeomArea(), fcnGeomLength(), fcnGeomPerimeter(), fcnX(), fcnY(), and pointAt().

#define ENSURE_NO_EVAL_ERROR { if (parent->hasEvalError()) return QVariant(); }

Definition at line 200 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeUnaryOperator::eval(), QgsExpression::NodeBinaryOperator::eval(), QgsExpression::NodeInOperator::eval(), QgsExpression::NodeFunction::eval(), and QgsExpression::NodeCondition::eval().

#define SET_EVAL_ERROR ( x ) { parent->setEvalErrorString(x); return QVariant(); }

Definition at line 201 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeUnaryOperator::eval().

#define TVL_False QVariant(0)

Definition at line 155 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeBinaryOperator::eval(), QgsExpression::NodeInOperator::eval(), fcnBbox(), fcnContains(), fcnCrosses(), fcnDisjoint(), fcnIntersects(), fcnOverlaps(), fcnTouches(), and fcnWithin().

#define TVL_True QVariant(1)

Definition at line 154 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeBinaryOperator::eval(), QgsExpression::NodeInOperator::eval(), fcnBbox(), fcnContains(), fcnCrosses(), fcnDisjoint(), fcnIntersects(), fcnOverlaps(), fcnTouches(), and fcnWithin().

#define TVL_Unknown QVariant()

Definition at line 156 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeBinaryOperator::eval(), and QgsExpression::NodeInOperator::eval().

Enumeration Type Documentation

enum TVL

Enumerator:

False
True
Unknown

Definition at line 118 of file qgsexpression.cpp.

Function Documentation

static QVariant fcnAbs	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 351 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnAcos	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 377 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnAge	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 795 of file qgsexpression.cpp.

References getDateTimeValue().

Referenced by QgsExpression::Functions().

static QVariant fcnAsin	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 372 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnAtan	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 382 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnAtan2	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 387 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnBbox	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1018 of file qgsexpression.cpp.

References getGeometry(), QgsGeometry::intersects(), TVL_False, and TVL_True.

Referenced by QgsExpression::Functions().

static QVariant fcnBuffer	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1066 of file qgsexpression.cpp.

References QgsGeometry::buffer(), getDoubleValue(), getGeometry(), and getIntValue().

Referenced by QgsExpression::Functions().

static QVariant fcnCeil	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 571 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnCentroid	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1082 of file qgsexpression.cpp.

References QgsGeometry::centroid(), and getGeometry().

Referenced by QgsExpression::Functions().

static QVariant fcnClamp	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 544 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnCoalesce	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *
	)

static

Definition at line 595 of file qgsexpression.cpp.

Referenced by QgsExpression::Functions().

static QVariant fcnColorCmyk	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1317 of file qgsexpression.cpp.

References getIntValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnColorHsl	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1237 of file qgsexpression.cpp.

References getIntValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnColorHsv	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1277 of file qgsexpression.cpp.

References getIntValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnColorRgb	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1193 of file qgsexpression.cpp.

References getIntValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnCombine	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1131 of file qgsexpression.cpp.

References QgsGeometry::combine(), and getGeometry().

Referenced by QgsExpression::Functions().

static QVariant fcnConcat	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 718 of file qgsexpression.cpp.

References getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnContains	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1048 of file qgsexpression.cpp.

References QgsGeometry::contains(), getGeometry(), TVL_False, and TVL_True.

Referenced by QgsExpression::Functions().

static QVariant fcnConvexHull	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1090 of file qgsexpression.cpp.

References QgsGeometry::convexHull(), and getGeometry().

Referenced by QgsExpression::Functions().

static QVariant fcnCos	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 362 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnCrosses	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1042 of file qgsexpression.cpp.

References QgsGeometry::crosses(), getGeometry(), TVL_False, and TVL_True.

Referenced by QgsExpression::Functions().

static QVariant fcnDay	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 803 of file qgsexpression.cpp.

References QgsExpression::Interval::days(), getDateTimeValue(), getInterval(), and QgsExpression::Interval::isValid().

Referenced by QgsExpression::Functions().

static QVariant fcnDifference	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1098 of file qgsexpression.cpp.

References QgsGeometry::difference(), and getGeometry().

Referenced by QgsExpression::Functions().

static QVariant fcnDisjoint	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1024 of file qgsexpression.cpp.

References QgsGeometry::disjoint(), getGeometry(), TVL_False, and TVL_True.

Referenced by QgsExpression::Functions().

static QVariant fcnDistance	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1107 of file qgsexpression.cpp.

References QgsGeometry::distance(), and getGeometry().

Referenced by QgsExpression::Functions().

static QVariant fcnExp	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 393 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnExpScale	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 474 of file qgsexpression.cpp.

References getDoubleValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnFeatureId	(	const QVariantList &	,
		const QgsFeature *	f,
		QgsExpression *
	)

static

Definition at line 712 of file qgsexpression.cpp.

References QgsFeature::id().

Referenced by QgsExpression::Functions().

static QVariant fcnFloor	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 565 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnFormatDate	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1186 of file qgsexpression.cpp.

References getDateTimeValue(), and getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnFormatNumber	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1179 of file qgsexpression.cpp.

References getDoubleValue(), and getIntValue().

Referenced by QgsExpression::Functions().

static QVariant fcnFormatString	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 764 of file qgsexpression.cpp.

References getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnGeomArea	(	const QVariantList &	,
		const QgsFeature *	f,
		QgsExpression *	parent
	)

static

Definition at line 999 of file qgsexpression.cpp.

References ENSURE_GEOM_TYPE, QgsExpression::geomCalculator(), QgsFeature::geometry(), QgsDistanceArea::measure(), and QGis::Polygon.

Referenced by QgsExpression::Functions().

static QVariant fcnGeometry	(	const QVariantList &	,
		const QgsFeature *	f,
		QgsExpression *
	)

static

Definition at line 971 of file qgsexpression.cpp.

References QgsFeature::geometry().

Referenced by QgsExpression::Functions().

static QVariant fcnGeomFromGML	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 988 of file qgsexpression.cpp.

References QgsOgcUtils::geometryFromGML(), and getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnGeomFromWKT	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 979 of file qgsexpression.cpp.

References QgsGeometry::fromWkt(), and getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnGeomLength	(	const QVariantList &	,
		const QgsFeature *	f,
		QgsExpression *	parent
	)

static

Definition at line 1005 of file qgsexpression.cpp.

References ENSURE_GEOM_TYPE, QgsExpression::geomCalculator(), QgsFeature::geometry(), QGis::Line, and QgsDistanceArea::measure().

Referenced by QgsExpression::Functions().

static QVariant fcnGeomPerimeter	(	const QVariantList &	,
		const QgsFeature *	f,
		QgsExpression *	parent
	)

static

Definition at line 1011 of file qgsexpression.cpp.

References ENSURE_GEOM_TYPE, QgsExpression::geomCalculator(), QgsFeature::geometry(), QgsDistanceArea::measurePerimeter(), and QGis::Polygon.

Referenced by QgsExpression::Functions().

static QVariant fcnGeomToWKT	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1140 of file qgsexpression.cpp.

References QgsGeometry::exportToWkt(), and getGeometry().

Referenced by QgsExpression::Functions().

static QVariant fcnHour	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 863 of file qgsexpression.cpp.

References getDateTimeValue(), getInterval(), QgsExpression::Interval::hours(), and QgsExpression::Interval::isValid().

Referenced by QgsExpression::Functions().

static QVariant fcnIntersection	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1113 of file qgsexpression.cpp.

References getGeometry(), and QgsGeometry::intersection().

Referenced by QgsExpression::Functions().

static QVariant fcnIntersects	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1030 of file qgsexpression.cpp.

References getGeometry(), QgsGeometry::intersects(), TVL_False, and TVL_True.

Referenced by QgsExpression::Functions().

static QVariant fcnLeft	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 741 of file qgsexpression.cpp.

References getIntValue(), and getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnLength	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 633 of file qgsexpression.cpp.

References getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnLinearScale	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 442 of file qgsexpression.cpp.

References getDoubleValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnLn	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 398 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnLog	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 412 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnLog10	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 405 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnLower	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 605 of file qgsexpression.cpp.

References getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnLPad	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 756 of file qgsexpression.cpp.

References fill, getIntValue(), and getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnMax	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 508 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnMin	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 526 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnMinute	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 878 of file qgsexpression.cpp.

References getDateTimeValue(), getInterval(), QgsExpression::Interval::isValid(), and QgsExpression::Interval::minutes().

Referenced by QgsExpression::Functions().

static QVariant fcnMonth	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 833 of file qgsexpression.cpp.

References getDateTimeValue(), getInterval(), QgsExpression::Interval::isValid(), and QgsExpression::Interval::months().

Referenced by QgsExpression::Functions().

static QVariant fcnNow	(	const QVariantList &	,
		const QgsFeature *	,
		QgsExpression *
	)

static

Definition at line 775 of file qgsexpression.cpp.

Referenced by QgsExpression::Functions().

static QVariant fcnOverlaps	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1054 of file qgsexpression.cpp.

References getGeometry(), QgsGeometry::overlaps(), TVL_False, and TVL_True.

Referenced by QgsExpression::Functions().

static QVariant fcnPi	(	const QVariantList &	values,
		const QgsFeature *	f,
		QgsExpression *	parent
	)

static

Definition at line 1166 of file qgsexpression.cpp.

References M_PI.

Referenced by QgsExpression::Functions().

QVariant fcnRampColor	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

Definition at line 1223 of file qgsexpression.cpp.

References QgsStyleV2::colorRampRef(), QgsStyleV2::defaultStyle(), QgsSymbolLayerV2Utils::encodeColor(), getDoubleValue(), getStringValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnRegexpMatch	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 660 of file qgsexpression.cpp.

References getStringValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnRegexpReplace	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 645 of file qgsexpression.cpp.

References getStringValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnRegexpSubstr	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 674 of file qgsexpression.cpp.

References getStringValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fcnReplace	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 638 of file qgsexpression.cpp.

References getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnRight	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 734 of file qgsexpression.cpp.

References getIntValue(), and getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnRnd	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 431 of file qgsexpression.cpp.

References getIntValue(), MathUtils::max(), and MathUtils::min().

Referenced by QgsExpression::Functions().

static QVariant fcnRndF	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 420 of file qgsexpression.cpp.

References getDoubleValue(), MathUtils::max(), and MathUtils::min().

Referenced by QgsExpression::Functions().

static QVariant fcnRound	(	const QVariantList &	values,
		const QgsFeature *	f,
		QgsExpression *	parent
	)

static

Definition at line 1147 of file qgsexpression.cpp.

References getDoubleValue(), and getIntValue().

Referenced by QgsExpression::Functions().

static QVariant fcnRowNumber	(	const QVariantList &	,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 707 of file qgsexpression.cpp.

References QgsExpression::currentRowNumber().

Referenced by QgsExpression::Functions().

static QVariant fcnRPad	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 748 of file qgsexpression.cpp.

References fill, getIntValue(), and getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnScale	(	const QVariantList &	,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1174 of file qgsexpression.cpp.

References QgsExpression::scale().

Referenced by QgsExpression::Functions().

static QVariant fcnSeconds	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 893 of file qgsexpression.cpp.

References getDateTimeValue(), getInterval(), QgsExpression::Interval::isValid(), and QgsExpression::Interval::seconds().

Referenced by QgsExpression::Functions().

static QVariant fcnSin	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 357 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnSpecialColumn	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1361 of file qgsexpression.cpp.

References getStringValue(), and QgsExpression::specialColumn().

Referenced by QgsExpression::Functions().

static QVariant fcnSqrt	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 345 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnStrpos	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 728 of file qgsexpression.cpp.

References getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnSubstr	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 699 of file qgsexpression.cpp.

References getIntValue(), and getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnSymDifference	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1122 of file qgsexpression.cpp.

References getGeometry(), and QgsGeometry::symDifference().

Referenced by QgsExpression::Functions().

static QVariant fcnTan	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 367 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnTitle	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 615 of file qgsexpression.cpp.

References getStringValue(), and size.

Referenced by QgsExpression::Functions().

static QVariant fcnToDate	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 780 of file qgsexpression.cpp.

References getDateValue().

Referenced by QgsExpression::Functions().

static QVariant fcnToDateTime	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 590 of file qgsexpression.cpp.

References getDateTimeValue().

Referenced by QgsExpression::Functions().

static QVariant fcnToInt	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 577 of file qgsexpression.cpp.

References getIntValue().

Referenced by QgsExpression::Functions().

static QVariant fcnToInterval	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 790 of file qgsexpression.cpp.

References getInterval().

Referenced by QgsExpression::Functions().

static QVariant fcnToReal	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 581 of file qgsexpression.cpp.

References getDoubleValue().

Referenced by QgsExpression::Functions().

static QVariant fcnToString	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 585 of file qgsexpression.cpp.

References getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnToTime	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 785 of file qgsexpression.cpp.

References getTimeValue().

Referenced by QgsExpression::Functions().

static QVariant fcnTouches	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1036 of file qgsexpression.cpp.

References getGeometry(), QgsGeometry::touches(), TVL_False, and TVL_True.

Referenced by QgsExpression::Functions().

static QVariant fcnTrim	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 627 of file qgsexpression.cpp.

References getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnUpper	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 610 of file qgsexpression.cpp.

References getStringValue().

Referenced by QgsExpression::Functions().

static QVariant fcnWeek	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 848 of file qgsexpression.cpp.

References getDateTimeValue(), getInterval(), QgsExpression::Interval::isValid(), and QgsExpression::Interval::weeks().

Referenced by QgsExpression::Functions().

static QVariant fcnWithin	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1060 of file qgsexpression.cpp.

References getGeometry(), TVL_False, TVL_True, and QgsGeometry::within().

Referenced by QgsExpression::Functions().

static QVariant fcnX	(	const QVariantList &	,
		const QgsFeature *	f,
		QgsExpression *
	)

static

Definition at line 914 of file qgsexpression.cpp.

References ENSURE_GEOM_TYPE, and QGis::Point.

Referenced by QgsExpression::Functions().

static QVariant fcnXat	(	const QVariantList &	values,
		const QgsFeature *	f,
		QgsExpression *	parent
	)

static

Definition at line 955 of file qgsexpression.cpp.

References pointAt().

Referenced by QgsExpression::Functions().

static QVariant fcnY	(	const QVariantList &	,
		const QgsFeature *	f,
		QgsExpression *
	)

static

Definition at line 926 of file qgsexpression.cpp.

References ENSURE_GEOM_TYPE, and QGis::Point.

Referenced by QgsExpression::Functions().

static QVariant fcnYat	(	const QVariantList &	values,
		const QgsFeature *	f,
		QgsExpression *	parent
	)

static

Definition at line 963 of file qgsexpression.cpp.

References pointAt().

Referenced by QgsExpression::Functions().

static QVariant fcnYear	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 818 of file qgsexpression.cpp.

References getDateTimeValue(), getInterval(), QgsExpression::Interval::isValid(), and QgsExpression::Interval::years().

Referenced by QgsExpression::Functions().

static QVariant fncColorCmyka	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1339 of file qgsexpression.cpp.

References QgsSymbolLayerV2Utils::encodeColor(), getIntValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fncColorHsla	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1257 of file qgsexpression.cpp.

References QgsSymbolLayerV2Utils::encodeColor(), getIntValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fncColorHsva	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1297 of file qgsexpression.cpp.

References QgsSymbolLayerV2Utils::encodeColor(), getIntValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QVariant fncColorRgba	(	const QVariantList &	values,
		const QgsFeature *	,
		QgsExpression *	parent
	)

static

Definition at line 1208 of file qgsexpression.cpp.

References QgsSymbolLayerV2Utils::encodeColor(), getIntValue(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::Functions().

static QDateTime getDateTimeValue	(	const QVariant &	value,
		QgsExpression *	parent
	)

static

Definition at line 255 of file qgsexpression.cpp.

References QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::NodeBinaryOperator::eval(), fcnAge(), fcnDay(), fcnFormatDate(), fcnHour(), fcnMinute(), fcnMonth(), fcnSeconds(), fcnToDateTime(), fcnWeek(), and fcnYear().

static QDate getDateValue	(	const QVariant &	value,
		QgsExpression *	parent
	)

static

Definition at line 269 of file qgsexpression.cpp.

References QgsExpression::setEvalErrorString(), and tr.

Referenced by fcnToDate().

static double getDoubleValue	(	const QVariant &	value,
		QgsExpression *	parent
	)

static

Definition at line 228 of file qgsexpression.cpp.

References QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::NodeUnaryOperator::eval(), QgsExpression::NodeBinaryOperator::eval(), QgsExpression::NodeInOperator::eval(), fcnAbs(), fcnAcos(), fcnAsin(), fcnAtan(), fcnAtan2(), fcnBuffer(), fcnCeil(), fcnClamp(), fcnCos(), fcnExp(), fcnExpScale(), fcnFloor(), fcnFormatNumber(), fcnLinearScale(), fcnLn(), fcnLog(), fcnLog10(), fcnMax(), fcnMin(), fcnRampColor(), fcnRndF(), fcnRound(), fcnSin(), fcnSqrt(), fcnTan(), and fcnToReal().

static QgsGeometry getGeometry	(	const QVariant &	value,
		QgsExpression *	parent
	)

static

Definition at line 313 of file qgsexpression.cpp.

References QgsExpression::setEvalErrorString().

Referenced by fcnBbox(), fcnBuffer(), fcnCentroid(), fcnCombine(), fcnContains(), fcnConvexHull(), fcnCrosses(), fcnDifference(), fcnDisjoint(), fcnDistance(), fcnGeomToWKT(), fcnIntersection(), fcnIntersects(), fcnOverlaps(), fcnSymDifference(), fcnTouches(), and fcnWithin().

static QgsExpression::Interval getInterval	(	const QVariant &	value,
		QgsExpression *	parent,
		bool	report_error = `false`
	)

static

Definition at line 297 of file qgsexpression.cpp.

References QgsExpression::Interval::fromString(), QgsExpression::Interval::invalidInterVal(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::NodeBinaryOperator::eval(), fcnDay(), fcnHour(), fcnMinute(), fcnMonth(), fcnSeconds(), fcnToInterval(), fcnWeek(), and fcnYear().

static int getIntValue	(	const QVariant &	value,
		QgsExpression *	parent
	)

static

Definition at line 240 of file qgsexpression.cpp.

References MathUtils::max(), MathUtils::min(), QgsExpression::setEvalErrorString(), and tr.

Referenced by QgsExpression::NodeUnaryOperator::eval(), QgsExpression::NodeBinaryOperator::eval(), fcnBuffer(), fcnColorCmyk(), fcnColorHsl(), fcnColorHsv(), fcnColorRgb(), fcnFormatNumber(), fcnLeft(), fcnLPad(), fcnRight(), fcnRnd(), fcnRound(), fcnRPad(), fcnSubstr(), fcnToInt(), fncColorCmyka(), fncColorHsla(), fncColorHsva(), fncColorRgba(), and pointAt().

static QString getStringValue	(	const QVariant &	value,
		QgsExpression *
	)

static

Definition at line 223 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeBinaryOperator::eval(), QgsExpression::NodeInOperator::eval(), fcnConcat(), fcnFormatDate(), fcnFormatString(), fcnGeomFromGML(), fcnGeomFromWKT(), fcnLeft(), fcnLength(), fcnLower(), fcnLPad(), fcnRampColor(), fcnRegexpMatch(), fcnRegexpReplace(), fcnRegexpSubstr(), fcnReplace(), fcnRight(), fcnRPad(), fcnSpecialColumn(), fcnStrpos(), fcnSubstr(), fcnTitle(), fcnToString(), fcnTrim(), and fcnUpper().

static QTime getTimeValue	(	const QVariant &	value,
		QgsExpression *	parent
	)

static

Definition at line 283 of file qgsexpression.cpp.

References QgsExpression::setEvalErrorString(), and tr.

Referenced by fcnToTime().

static TVL getTVLValue	(	const QVariant &	value,
		QgsExpression *	parent
	)

static

Definition at line 324 of file qgsexpression.cpp.

References False, QgsExpression::setEvalErrorString(), tr, True, and Unknown.

Referenced by QgsExpression::NodeUnaryOperator::eval(), QgsExpression::NodeBinaryOperator::eval(), and QgsExpression::NodeCondition::eval().

bool isDateTimeSafe ( const QVariant & v )

inline

Definition at line 175 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeBinaryOperator::eval().

bool isDoubleSafe ( const QVariant & v )

inline

Definition at line 168 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeUnaryOperator::eval(), QgsExpression::NodeBinaryOperator::eval(), and QgsExpression::NodeInOperator::eval().

bool isIntervalSafe ( const QVariant & v )

inline

Definition at line 181 of file qgsexpression.cpp.

References QgsExpression::Interval::fromString().

Referenced by QgsExpression::NodeBinaryOperator::eval().

bool isIntSafe ( const QVariant & v )

inline

Definition at line 161 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeUnaryOperator::eval(), and QgsExpression::NodeBinaryOperator::eval().

bool isNull ( const QVariant & v )

inline

Definition at line 195 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeBinaryOperator::eval(), QgsExpression::NodeInOperator::eval(), QgsExpression::NodeFunction::eval(), QgsVectorDataProvider::fillMinMaxCache(), QgsQueryBuilder::fillValues(), and QgsGraduatedSymbolRendererV2::symbolForFeature().

QgsExpression::Node* parseExpression	(	const QString &	str,
		QString &	parserErrorMsg
	)

Referenced by QgsExpression::QgsExpression().

static QVariant pointAt	(	const QVariantList &	values,
		const QgsFeature *	f,
		QgsExpression *	parent
	)

static

Definition at line 939 of file qgsexpression.cpp.

References ENSURE_GEOM_TYPE, getIntValue(), QGis::Line, QgsExpression::setEvalErrorString(), and tr.

Referenced by fcnXat(), and fcnYat().

static QVariant tvl2variant ( TVL v )

static

Definition at line 142 of file qgsexpression.cpp.

References False, True, and Unknown.

Referenced by QgsExpression::NodeUnaryOperator::eval(), and QgsExpression::NodeBinaryOperator::eval().

Variable Documentation

TVL AND[3][3]

static

Initial value:

{
  
  { False, False,   False },   
  { False, True,    Unknown }, 
  { False, Unknown, Unknown }  
}

Definition at line 125 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeBinaryOperator::eval().

TVL NOT[3] = { True, False, Unknown }

static

Definition at line 140 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeUnaryOperator::eval().

TVL OR[3][3]

static

Initial value:

{
  { False,   True, Unknown },  
  { True,    True, True },     
  { Unknown, True, Unknown }   
}

Definition at line 133 of file qgsexpression.cpp.

Referenced by QgsExpression::NodeBinaryOperator::eval().

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation