QgsOgcUtilsExpressionFromFilter Class Reference

Internal use by QgsOgcUtils. More...

#include <qgsogcutils.h>

Public Member Functions
	QgsOgcUtilsExpressionFromFilter (QgsOgcUtils::FilterVersion version=QgsOgcUtils::FILTER_OGC_1_0, const QgsVectorLayer *layer=nullptr)
	Constructor for QgsOgcUtilsExpressionFromFilter. More...
QString	errorMessage () const
	Returns the underlying error message, or an empty string in case of no error. More...
QgsExpressionNodeBinaryOperator *	nodeBinaryOperatorFromOgcFilter (const QDomElement &element)
	Returns an expression node from a WFS filter embedded in a document with binary operators. More...
QgsExpressionNodeColumnRef *	nodeColumnRefFromOgcFilter (const QDomElement &element)
	Returns an expression node from a WFS filter embedded in a document with column references. More...
QgsExpressionNode *	nodeFromOgcFilter (const QDomElement &element)
	Returns an expression node from a WFS filter embedded in a document element. More...
QgsExpressionNodeFunction *	nodeFunctionFromOgcFilter (const QDomElement &element)
	Returns an expression node from a WFS filter embedded in a document with functions. More...
QgsExpressionNode *	nodeIsBetweenFromOgcFilter (const QDomElement &element)
	Returns an expression node from a WFS filter embedded in a document with boudnaries operator. More...
QgsExpressionNode *	nodeLiteralFromOgcFilter (const QDomElement &element)
	Returns an expression node from a WFS filter embedded in a document with literal tag. More...
QgsExpressionNodeUnaryOperator *	nodeNotFromOgcFilter (const QDomElement &element)
	Returns an expression node from a WFS filter embedded in a document with Not operator. More...
QgsExpressionNodeBinaryOperator *	nodePropertyIsNullFromOgcFilter (const QDomElement &element)
	Returns an expression node from a WFS filter embedded in a document with IsNull operator. More...
QgsExpressionNodeFunction *	nodeSpatialOperatorFromOgcFilter (const QDomElement &element)
	Returns an expression node from a WFS filter embedded in a document with spatial operators. More...

Detailed Description

Internal use by QgsOgcUtils.

Note

not available in Python bindings

Since

QGIS 3.4

Definition at line 433 of file qgsogcutils.h.

Constructor & Destructor Documentation

QgsOgcUtilsExpressionFromFilter()

QgsOgcUtilsExpressionFromFilter::QgsOgcUtilsExpressionFromFilter	(	QgsOgcUtils::FilterVersion	version = QgsOgcUtils::FILTER_OGC_1_0,
		const QgsVectorLayer *	layer = nullptr
	)

Constructor for QgsOgcUtilsExpressionFromFilter.

Parameters

version	WFS Version
layer	Layer to use to retrieve field values from literal filters

Definition at line 3256 of file qgsogcutils.cpp.

Member Function Documentation

errorMessage()

QString QgsOgcUtilsExpressionFromFilter::errorMessage

(

)

const

Returns the underlying error message, or an empty string in case of no error.

Definition at line 3682 of file qgsogcutils.cpp.

nodeBinaryOperatorFromOgcFilter()

QgsExpressionNodeBinaryOperator * QgsOgcUtilsExpressionFromFilter::nodeBinaryOperatorFromOgcFilter

(

const QDomElement &

element

)

Returns an expression node from a WFS filter embedded in a document with binary operators.

Definition at line 3316 of file qgsogcutils.cpp.

nodeColumnRefFromOgcFilter()

QgsExpressionNodeColumnRef * QgsOgcUtilsExpressionFromFilter::nodeColumnRefFromOgcFilter

(

const QDomElement &

element

)

Returns an expression node from a WFS filter embedded in a document with column references.

Definition at line 3467 of file qgsogcutils.cpp.

nodeFromOgcFilter()

QgsExpressionNode * QgsOgcUtilsExpressionFromFilter::nodeFromOgcFilter

(

const QDomElement &

element

)

Returns an expression node from a WFS filter embedded in a document element.

nullptr is returned when an error happened.

Parameters

element

The WFS filter

Definition at line 3269 of file qgsogcutils.cpp.

nodeFunctionFromOgcFilter()

QgsExpressionNodeFunction * QgsOgcUtilsExpressionFromFilter::nodeFunctionFromOgcFilter

(

const QDomElement &

element

)

Returns an expression node from a WFS filter embedded in a document with functions.

Definition at line 3603 of file qgsogcutils.cpp.

nodeIsBetweenFromOgcFilter()

QgsExpressionNode * QgsOgcUtilsExpressionFromFilter::nodeIsBetweenFromOgcFilter

(

const QDomElement &

element

)

Returns an expression node from a WFS filter embedded in a document with boudnaries operator.

Definition at line 3639 of file qgsogcutils.cpp.

nodeLiteralFromOgcFilter()

QgsExpressionNode * QgsOgcUtilsExpressionFromFilter::nodeLiteralFromOgcFilter

(

const QDomElement &

element

)

Returns an expression node from a WFS filter embedded in a document with literal tag.

Definition at line 3478 of file qgsogcutils.cpp.

nodeNotFromOgcFilter()

QgsExpressionNodeUnaryOperator * QgsOgcUtilsExpressionFromFilter::nodeNotFromOgcFilter

(

const QDomElement &

element

)

Returns an expression node from a WFS filter embedded in a document with Not operator.

Definition at line 3570 of file qgsogcutils.cpp.

nodePropertyIsNullFromOgcFilter()

QgsExpressionNodeBinaryOperator * QgsOgcUtilsExpressionFromFilter::nodePropertyIsNullFromOgcFilter

(

const QDomElement &

element

)

Returns an expression node from a WFS filter embedded in a document with IsNull operator.

Definition at line 3586 of file qgsogcutils.cpp.

nodeSpatialOperatorFromOgcFilter()

QgsExpressionNodeFunction * QgsOgcUtilsExpressionFromFilter::nodeSpatialOperatorFromOgcFilter

(

const QDomElement &

element

)

Returns an expression node from a WFS filter embedded in a document with spatial operators.

Definition at line 3433 of file qgsogcutils.cpp.

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

• /build/qgis-3.28.0+99sid/src/core/qgsogcutils.h
• /build/qgis-3.28.0+99sid/src/core/qgsogcutils.cpp