QgsDataDefinedStringDecoder< V, N > Class Template Reference

A template based class for efficiently decoding a string value to a corresponding enum value. More...

#include <qgsdatadefinedutils.h>

Public Member Functions
constexpr	QgsDataDefinedStringDecoder (const DataDefinedDecoderEntry< V >(&values)[N])
	Constructor for QgsDataDefinedStringDecoder.
std::optional< V >	lookup (QStringView string) const
	Looks up a string in the lookup table, returning the corresponding enum value if found.

Detailed Description

template<typename V, size_t N>
class QgsDataDefinedStringDecoder< V, N >

A template based class for efficiently decoding a string value to a corresponding enum value.

Matching is done in a case-insensitive, tolerant way.

Since

QGIS 4.4

Definition at line 44 of file qgsdatadefinedutils.h.

Constructor & Destructor Documentation

QgsDataDefinedStringDecoder()

template<typename V, size_t N>

QgsDataDefinedStringDecoder< V, N >::QgsDataDefinedStringDecoder ( const DataDefinedDecoderEntry< V >(&) values[N] )

inlineexplicitconstexpr

Constructor for QgsDataDefinedStringDecoder.

Definition at line 50 of file qgsdatadefinedutils.h.

Member Function Documentation

lookup()

template<typename V, size_t N>

std::optional< V > QgsDataDefinedStringDecoder< V, N >::lookup ( QStringView string ) const

inlinenodiscard

Looks up a string in the lookup table, returning the corresponding enum value if found.

Definition at line 112 of file qgsdatadefinedutils.h.

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

• /build/qgis-4.3.0+git20261029+9dce731a7a1+99sid/src/core/qgsdatadefinedutils.h