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Public Member Functions | List of all members
QgsExpression::Visitor Class Referenceabstract

support for visitor pattern - algorithms dealing with the expressions may be implemented without modifying the Node classes More...

#include <qgsexpression.h>

Public Member Functions

virtual ~Visitor ()
 
virtual void visit (const NodeUnaryOperator &n)=0
 
virtual void visit (const NodeBinaryOperator &n)=0
 
virtual void visit (const NodeInOperator &n)=0
 
virtual void visit (const NodeFunction &n)=0
 
virtual void visit (const NodeLiteral &n)=0
 
virtual void visit (const NodeColumnRef &n)=0
 
virtual void visit (const NodeCondition &n)=0
 

Detailed Description

support for visitor pattern - algorithms dealing with the expressions may be implemented without modifying the Node classes

Definition at line 597 of file qgsexpression.h.

Constructor & Destructor Documentation

virtual QgsExpression::Visitor::~Visitor ( )
inlinevirtual

Definition at line 600 of file qgsexpression.h.

Member Function Documentation

virtual void QgsExpression::Visitor::visit ( const NodeUnaryOperator n)
pure virtual
virtual void QgsExpression::Visitor::visit ( const NodeBinaryOperator n)
pure virtual
virtual void QgsExpression::Visitor::visit ( const NodeInOperator n)
pure virtual
virtual void QgsExpression::Visitor::visit ( const NodeFunction n)
pure virtual
virtual void QgsExpression::Visitor::visit ( const NodeLiteral n)
pure virtual
virtual void QgsExpression::Visitor::visit ( const NodeColumnRef n)
pure virtual
virtual void QgsExpression::Visitor::visit ( const NodeCondition n)
pure virtual

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