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| Original file line number | Diff line number | Diff line change |
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| @@ -1,125 +1,208 @@ | ||
| /************************************************************************ | ||
| * This file has been generated automatically from * | ||
| * * | ||
| * src/core/qgsfeatureiterator.h * | ||
| * * | ||
| * Do not edit manually ! Edit header and run scripts/sipify.pl again * | ||
| ************************************************************************/ | ||
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| class QgsAbstractFeatureIterator | ||
| { | ||
| %Docstring | ||
| Internal feature iterator to be implemented within data providers | ||
| %End | ||
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| %TypeHeaderCode | ||
| #include <qgsfeatureiterator.h> | ||
| #include "qgsfeatureiterator.h" | ||
| %End | ||
| public: | ||
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| //! Status of expression compilation for filter expression requests | ||
| enum CompileStatus | ||
| { | ||
| NoCompilation, /*!< Expression could not be compiled or not attempt was made to compile expression */ | ||
| PartiallyCompiled, /*!< Expression was partially compiled, but extra checks need to be applied to features*/ | ||
| Compiled, /*!< Expression was fully compiled and delegated to data provider source*/ | ||
| NoCompilation, | ||
| PartiallyCompiled, | ||
| Compiled, | ||
| }; | ||
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| //! base class constructor - stores the iteration parameters | ||
| QgsAbstractFeatureIterator( const QgsFeatureRequest &request ); | ||
| %Docstring | ||
| base class constructor - stores the iteration parameters | ||
| %End | ||
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| //! destructor makes sure that the iterator is closed properly | ||
| virtual ~QgsAbstractFeatureIterator(); | ||
| %Docstring | ||
| destructor makes sure that the iterator is closed properly | ||
| %End | ||
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| //! fetch next feature, return true on success | ||
| virtual bool nextFeature( QgsFeature &f ); | ||
| %Docstring | ||
| fetch next feature, return true on success | ||
| :rtype: bool | ||
| %End | ||
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| //! reset the iterator to the starting position | ||
| virtual bool rewind() = 0; | ||
| //! end of iterating: free the resources / lock | ||
| %Docstring | ||
| reset the iterator to the starting position | ||
| :rtype: bool | ||
| %End | ||
| virtual bool close() = 0; | ||
| %Docstring | ||
| end of iterating: free the resources / lock | ||
| :rtype: bool | ||
| %End | ||
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| /** Returns the status of expression compilation for filter expression requests. | ||
| * @note added in QGIS 2.16 | ||
| */ | ||
| CompileStatus compileStatus() const; | ||
| %Docstring | ||
| Returns the status of expression compilation for filter expression requests. | ||
| .. versionadded:: 2.16 | ||
| :rtype: CompileStatus | ||
| %End | ||
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| protected: | ||
| /** | ||
| * If you write a feature iterator for your provider, this is the method you | ||
| * need to implement!! | ||
| * | ||
| * @param f The feature to write to | ||
| * @return true if a feature was written to f | ||
| */ | ||
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| virtual bool fetchFeature( QgsFeature &f ) = 0; | ||
| %Docstring | ||
| If you write a feature iterator for your provider, this is the method you | ||
| need to implement!! | ||
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| \param f The feature to write to | ||
| :return: true if a feature was written to f | ||
| :rtype: bool | ||
| %End | ||
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| /** | ||
| * By default, the iterator will fetch all features and check if the feature | ||
| * matches the expression. | ||
| * If you have a more sophisticated metodology (SQL request for the features...) | ||
| * and you check for the expression in your fetchFeature method, you can just | ||
| * redirect this call to fetchFeature so the default check will be omitted. | ||
| * | ||
| * @param f The feature to write to | ||
| * @return true if a feature was written to f | ||
| */ | ||
| virtual bool nextFeatureFilterExpression( QgsFeature &f ); | ||
| %Docstring | ||
| By default, the iterator will fetch all features and check if the feature | ||
| matches the expression. | ||
| If you have a more sophisticated metodology (SQL request for the features...) | ||
| and you check for the expression in your fetchFeature method, you can just | ||
| redirect this call to fetchFeature so the default check will be omitted. | ||
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| \param f The feature to write to | ||
| :return: true if a feature was written to f | ||
| :rtype: bool | ||
| %End | ||
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| /** | ||
| * By default, the iterator will fetch all features and check if the id | ||
| * is in the request. | ||
| * If you have a more sophisticated metodology (SQL request for the features...) | ||
| * and you are sure, that any feature you return from fetchFeature will match | ||
| * if the request was FilterFids you can just redirect this call to fetchFeature | ||
| * so the default check will be omitted. | ||
| * | ||
| * @param f The feature to write to | ||
| * @return true if a feature was written to f | ||
| */ | ||
| virtual bool nextFeatureFilterFids( QgsFeature &f ); | ||
| %Docstring | ||
| By default, the iterator will fetch all features and check if the id | ||
| is in the request. | ||
| If you have a more sophisticated metodology (SQL request for the features...) | ||
| and you are sure, that any feature you return from fetchFeature will match | ||
| if the request was FilterFids you can just redirect this call to fetchFeature | ||
| so the default check will be omitted. | ||
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| \param f The feature to write to | ||
| :return: true if a feature was written to f | ||
| :rtype: bool | ||
| %End | ||
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| void ref(); | ||
| %Docstring | ||
| Add reference | ||
| %End | ||
| void deref(); | ||
| %Docstring | ||
| Remove reference, delete if refs == 0 | ||
| %End | ||
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| void ref(); //!< add reference | ||
| void deref(); //!< remove reference, delete if refs == 0 | ||
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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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| }; | ||
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| class QgsFeatureIterator | ||
| { | ||
| %TypeHeaderCode | ||
| #include <qgsfeatureiterator.h> | ||
| %Docstring | ||
| Wrapper for iterator of features from vector data provider or vector layer | ||
| %End | ||
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| %TypeHeaderCode | ||
| #include "qgsfeatureiterator.h" | ||
| %End | ||
| public: | ||
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| QgsFeatureIterator *__iter__(); | ||
| %Docstring | ||
| :rtype: QgsFeatureIterator | ||
| %End | ||
| %MethodCode | ||
| sipRes = sipCpp; | ||
| sipRes = sipCpp; | ||
| %End | ||
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| SIP_PYOBJECT __next__(); | ||
| SIP_PYOBJECT __next__(); | ||
| %MethodCode | ||
| QgsFeature *f = new QgsFeature; | ||
| if (sipCpp->nextFeature(*f)) | ||
| sipRes = sipConvertFromType(f, sipType_QgsFeature, Py_None); | ||
| else | ||
| { | ||
| delete f; | ||
| PyErr_SetString(PyExc_StopIteration,""); | ||
| } | ||
| QgsFeature *f = new QgsFeature; | ||
| if ( sipCpp->nextFeature( *f ) ) | ||
| sipRes = sipConvertFromType( f, sipType_QgsFeature, Py_None ); | ||
| else | ||
| { | ||
| delete f; | ||
| PyErr_SetString( PyExc_StopIteration, "" ); | ||
| } | ||
| %End | ||
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| //! construct invalid iterator | ||
| QgsFeatureIterator(); | ||
| //! construct a valid iterator | ||
| // QgsFeatureIterator( QgsAbstractFeatureIterator *iter ); | ||
| //! copy constructor copies the iterator, increases ref.count | ||
| %Docstring | ||
| construct invalid iterator | ||
| %End | ||
| QgsFeatureIterator( const QgsFeatureIterator &fi ); | ||
| //! destructor deletes the iterator if it has no more references | ||
| %Docstring | ||
| copy constructor copies the iterator, increases ref.count | ||
| %End | ||
| ~QgsFeatureIterator(); | ||
| %Docstring | ||
| destructor deletes the iterator if it has no more references | ||
| %End | ||
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| // QgsFeatureIterator &operator=(const QgsFeatureIterator &other); | ||
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| bool nextFeature( QgsFeature &f ); | ||
| %Docstring | ||
| :rtype: bool | ||
| %End | ||
| bool rewind(); | ||
| %Docstring | ||
| :rtype: bool | ||
| %End | ||
| bool close(); | ||
| %Docstring | ||
| :rtype: bool | ||
| %End | ||
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| //! find out whether the iterator is still valid or closed already | ||
| bool isClosed() const; | ||
| %Docstring | ||
| find out whether the iterator is still valid or closed already | ||
| :rtype: bool | ||
| %End | ||
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| /** Returns the status of expression compilation for filter expression requests. | ||
| * @note added in QGIS 2.16 | ||
| */ | ||
| QgsAbstractFeatureIterator::CompileStatus compileStatus() const; | ||
| %Docstring | ||
| Returns the status of expression compilation for filter expression requests. | ||
| .. versionadded:: 2.16 | ||
| :rtype: QgsAbstractFeatureIterator.CompileStatus | ||
| %End | ||
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| }; | ||
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| /************************************************************************ | ||
| * This file has been generated automatically from * | ||
| * * | ||
| * src/core/qgsfeatureiterator.h * | ||
| * * | ||
| * Do not edit manually ! Edit header and run scripts/sipify.pl again * | ||
| ************************************************************************/ |
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