qgsexpression.h File Reference

#include <QMetaType>
#include <QStringList>
#include <QVariant>
#include <QList>
#include <QDomDocument>
#include "qgsfield.h"
#include "qgsdistancearea.h"

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Classes
class	QgsExpression
	Class for parsing and evaluation of expressions (formerly called "search strings"). More...
class	QgsExpression::Function
	A abstract base class for defining QgsExpression functions. More...
class	QgsExpression::StaticFunction
class	QgsExpression::Node
class	QgsExpression::NodeList
class	QgsExpression::Interval
class	QgsExpression::NodeUnaryOperator
class	QgsExpression::NodeBinaryOperator
class	QgsExpression::NodeInOperator
class	QgsExpression::NodeFunction
class	QgsExpression::NodeLiteral
class	QgsExpression::NodeColumnRef
class	QgsExpression::WhenThen
class	QgsExpression::NodeCondition
class	QgsExpression::Visitor
	support for visitor pattern - algorithms dealing with the expressions may be implemented without modifying the Node classes More...

Functions
	Q_DECLARE_METATYPE (QgsExpression::Interval)

Function Documentation

Q_DECLARE_METATYPE

(

QgsExpression::Interval

)