Quantum GIS API Documentation  1.8
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines
Public Member Functions | Static Public Member Functions | Protected Attributes
QgsExpression::NodeFunction Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeFunction:
Inheritance graph
[legend]
Collaboration diagram for QgsExpression::NodeFunction:
Collaboration graph
[legend]

List of all members.

Public Member Functions

 NodeFunction (int fnIndex, NodeList *args)
virtual ~NodeFunction ()
int fnIndex ()
NodeListargs ()
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::NodecreateFromOgcFilter (QDomElement &element, QString &errorMessage)

Protected Attributes

int mFnIndex
NodeListmArgs

Detailed Description

Definition at line 341 of file qgsexpression.h.


Constructor & Destructor Documentation

QgsExpression::NodeFunction::NodeFunction ( int  fnIndex,
NodeList args 
) [inline]

Definition at line 344 of file qgsexpression.h.

virtual QgsExpression::NodeFunction::~NodeFunction ( ) [inline, virtual]

Definition at line 346 of file qgsexpression.h.


Member Function Documentation

virtual void QgsExpression::NodeFunction::accept ( Visitor v) [inline, virtual]

Implements QgsExpression::Node.

Definition at line 360 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

Definition at line 349 of file qgsexpression.h.

QgsExpression::Node * QgsExpression::NodeFunction::createFromOgcFilter ( QDomElement &  element,
QString &  errorMessage 
) [static]
QString QgsExpression::NodeFunction::dump ( ) const [virtual]
QVariant QgsExpression::NodeFunction::eval ( QgsExpression parent,
QgsFeature f 
) [virtual]

Definition at line 348 of file qgsexpression.h.

virtual bool QgsExpression::NodeFunction::needsGeometry ( ) const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 359 of file qgsexpression.h.

References QgsExpression::Node::needsGeometry().

bool QgsExpression::NodeFunction::prepare ( QgsExpression parent,
const QgsFieldMap fields 
) [virtual]

Implements QgsExpression::Node.

Definition at line 1350 of file qgsexpression.cpp.

References QgsExpression::Node::prepare().

virtual QStringList QgsExpression::NodeFunction::referencedColumns ( ) const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 358 of file qgsexpression.h.

References QgsExpression::Node::referencedColumns().

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

Member Data Documentation

Definition at line 365 of file qgsexpression.h.

Definition at line 364 of file qgsexpression.h.


The documentation for this class was generated from the following files:
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines