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| /************************************************************************ | ||
| * This file has been generated automatically from * | ||
| * * | ||
| * src/core/qgsvectorlayerfeatureiterator.h * | ||
| * * | ||
| * Do not edit manually ! Edit header and run scripts/sipify.pl again * | ||
| ************************************************************************/ | ||
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| // abstract feature iterator implementations are not part of public API | ||
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| %ModuleHeaderCode | ||
| #include "qgsfeatureiterator.h" | ||
| %End | ||
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| class QgsVectorLayerFeatureSource : QgsAbstractFeatureSource | ||
| { | ||
| %Docstring | ||
| Partial snapshot of vector layer's state (only the members necessary for access to features) | ||
| %End | ||
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| %TypeHeaderCode | ||
| #include <qgsvectorlayerfeatureiterator.h> | ||
| #include "qgsvectorlayerfeatureiterator.h" | ||
| %End | ||
| public: | ||
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| /** Constructor for QgsVectorLayerFeatureSource. | ||
| * \param layer source layer | ||
| */ | ||
| explicit QgsVectorLayerFeatureSource( const QgsVectorLayer *layer ); | ||
| %Docstring | ||
| Constructor for QgsVectorLayerFeatureSource. | ||
| \param layer source layer | ||
| %End | ||
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| ~QgsVectorLayerFeatureSource(); | ||
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| virtual QgsFeatureIterator getFeatures( const QgsFeatureRequest &request = QgsFeatureRequest() ); | ||
| QgsFields fields(); | ||
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| QgsFields fields() const; | ||
| %Docstring | ||
| Returns the fields that will be available for features that are retrieved from | ||
| this source. | ||
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| .. versionadded:: 3.0 | ||
| :rtype: QgsFields | ||
| %End | ||
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| protected: | ||
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| }; | ||
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| class QgsVectorLayerFeatureIterator : QgsAbstractFeatureIterator | ||
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| typedef QgsAbstractFeatureIteratorFromSource<QgsVectorLayerFeatureSource> QgsAbstractFeatureIteratorFromSourceQgsVectorLayerFeatureSourceBase; | ||
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| class QgsVectorLayerFeatureIterator : QgsAbstractFeatureIteratorFromSourceQgsVectorLayerFeatureSourceBase | ||
| { | ||
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| %TypeHeaderCode | ||
| #include <qgsvectorlayerfeatureiterator.h> | ||
| #include "qgsvectorlayerfeatureiterator.h" | ||
| #include "qgsfeatureiterator.h" | ||
| typedef QgsAbstractFeatureIteratorFromSource<QgsVectorLayerFeatureSource> QgsAbstractFeatureIteratorFromSourceQgsVectorLayerFeatureSourceBase; | ||
| %End | ||
| public: | ||
| QgsVectorLayerFeatureIterator( QgsVectorLayerFeatureSource *source, bool ownSource, const QgsFeatureRequest &request ); | ||
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| ~QgsVectorLayerFeatureIterator(); | ||
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| //! reset the iterator to the starting position | ||
| virtual bool rewind(); | ||
| %Docstring | ||
| reset the iterator to the starting position | ||
| :rtype: bool | ||
| %End | ||
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| //! end of iterating: free the resources / lock | ||
| virtual bool close(); | ||
| %Docstring | ||
| end of iterating: free the resources / lock | ||
| :rtype: bool | ||
| %End | ||
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| struct FetchJoinInfo | ||
| { | ||
| const QgsVectorLayerJoinInfo *joinInfo;//!< Canonical source of information about the join | ||
| QgsAttributeList attributes; //!< Attributes to fetch | ||
| int indexOffset; //!< At what position the joined fields start | ||
| QgsVectorLayer *joinLayer; //!< Resolved pointer to the joined layer | ||
| int targetField; //!< Index of field (of this layer) that drives the join | ||
| int joinField; //!< Index of field (of the joined layer) must have equal value | ||
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| void addJoinedAttributesCached( QgsFeature &f, const QVariant &joinValue ) const; | ||
| void addJoinedAttributesDirect( QgsFeature &f, const QVariant &joinValue ) const; | ||
| }; | ||
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| protected: | ||
| //! fetch next feature, return true on success | ||
| virtual bool fetchFeature( QgsFeature &feature ); | ||
| %Docstring | ||
| fetch next feature, return true on success | ||
| :rtype: bool | ||
| %End | ||
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| //! Overrides default method as we only need to filter features in the edit buffer | ||
| //! while for others filtering is left to the provider implementation. | ||
| virtual bool nextFeatureFilterExpression( QgsFeature &f ); | ||
| %Docstring | ||
| while for others filtering is left to the provider implementation. | ||
| :rtype: bool | ||
| %End | ||
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| //! Setup the simplification of geometries to fetch using the specified simplify method | ||
| virtual bool prepareSimplification( const QgsSimplifyMethod &simplifyMethod ); | ||
| %Docstring | ||
| Setup the simplification of geometries to fetch using the specified simplify method | ||
| :rtype: bool | ||
| %End | ||
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| //! @note not available in Python bindings | ||
| //void rewindEditBuffer(); | ||
| //! @note not available in Python bindings | ||
| //void prepareJoins(); | ||
| //! @note not available in Python bindings | ||
| //void prepareExpressions(); | ||
| //! @note not available in Python bindings | ||
| //bool fetchNextAddedFeature( QgsFeature &f ); | ||
| //! @note not available in Python bindings | ||
| //bool fetchNextChangedGeomFeature( QgsFeature &f ); | ||
| //! @note not available in Python bindings | ||
| //bool fetchNextChangedAttributeFeature( QgsFeature &f ); | ||
| //! @note not available in Python bindings | ||
| //void useAddedFeature( const QgsFeature &src, QgsFeature &f ); | ||
| //! @note not available in Python bindings | ||
| //void useChangedAttributeFeature( QgsFeatureId fid, const QgsGeometry &geom, QgsFeature &f ); | ||
| //! @note not available in Python bindings | ||
| //bool nextFeatureFid( QgsFeature &f ); | ||
| //! @note not available in Python bindings | ||
| //void addJoinedAttributes( QgsFeature &f ); | ||
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| /** | ||
| * Adds attributes that don't source from the provider but are added inside QGIS | ||
| * Includes | ||
| * - Joined fields | ||
| * - Expression fields | ||
| * | ||
| * @param f The feature will be modified | ||
| * @note not available in Python bindings | ||
| */ | ||
| //void addVirtualAttributes( QgsFeature &f ); | ||
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| /** Update feature with uncommitted attribute updates. | ||
| * @note not available in Python bindings | ||
| */ | ||
| //void updateChangedAttributes( QgsFeature &f ); | ||
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| /** Update feature with uncommitted geometry updates. | ||
| * @note not available in Python bindings | ||
| */ | ||
| //void updateFeatureGeometry( QgsFeature &f ); | ||
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| private: | ||
| QgsVectorLayerFeatureIterator( const QgsVectorLayerFeatureIterator &rhs ); | ||
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| }; | ||
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| /************************************************************************ | ||
| * This file has been generated automatically from * | ||
| * * | ||
| * src/core/qgsvectorlayerfeatureiterator.h * | ||
| * * | ||
| * Do not edit manually ! Edit header and run scripts/sipify.pl again * | ||
| ************************************************************************/ |
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