QgsExpression::FunctionDef Struct Reference

#include <qgsexpression.h>

Collaboration diagram for QgsExpression::FunctionDef:

List of all members.

Public Member Functions
	FunctionDef (QString fnname, int params, FcnEval fcn, QString group, QString helpText=QString(), bool usesGeometry=false)
Public Attributes
QString	mName
	The name of the function.
int	mParams
	The number of parameters this function takes.
FcnEval	mFcn
	Pointer to fucntion.
bool	mUsesGeometry
	Does this function use a geometry object.
QString	mGroup
	The group the function belongs to.
QString	mHelpText
	The help text for the function.

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Detailed Description

Definition at line 178 of file qgsexpression.h.

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Constructor & Destructor Documentation

QgsExpression::FunctionDef::FunctionDef	(	QString	fnname,
		int	params,
		FcnEval	fcn,
		QString	group,
		QString	helpText = QString(),
		bool	usesGeometry = false
	)		[inline]

Definition at line 180 of file qgsexpression.h.

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Member Data Documentation

FcnEval QgsExpression::FunctionDef::mFcn

Pointer to fucntion.

Definition at line 187 of file qgsexpression.h.

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

QString QgsExpression::FunctionDef::mGroup

The group the function belongs to.

Definition at line 191 of file qgsexpression.h.

Referenced by QgsExpressionBuilderWidget::QgsExpressionBuilderWidget().

QString QgsExpression::FunctionDef::mHelpText

The help text for the function.

Definition at line 193 of file qgsexpression.h.

QString QgsExpression::FunctionDef::mName

The name of the function.

Definition at line 183 of file qgsexpression.h.

Referenced by QgsExpression::NodeFunction::createFromOgcFilter(), QgsExpression::NodeFunction::dump(), QgsExpressionBuilderWidget::QgsExpressionBuilderWidget(), and QgsExpression::NodeFunction::toOgcFilter().

int QgsExpression::FunctionDef::mParams

The number of parameters this function takes.

Definition at line 185 of file qgsexpression.h.

Referenced by QgsExpression::NodeFunction::dump(), QgsExpressionBuilderWidget::QgsExpressionBuilderWidget(), and QgsExpression::NodeFunction::toOgcFilter().

bool QgsExpression::FunctionDef::mUsesGeometry

Does this function use a geometry object.

Definition at line 189 of file qgsexpression.h.

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

• src/core/qgsexpression.h