mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-30 00:07:09 -04:00
0a4214499d
The QgsFeature default constructors initialized feature id to 0, which is a valid feature id instead of initializing it fo FID_NULL. This was just wrong and broke the validator for UNIQUE constraints in case a feature with fid 0 existed in the data provider. Fixes #36962
573 lines
14 KiB
Plaintext
573 lines
14 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/qgsfeature.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsFeature
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{
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%Docstring
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The feature class encapsulates a single feature including its id,
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geometry and a list of field/values attributes.
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.. note::
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QgsFeature objects are implicitly shared.
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%End
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%TypeHeaderCode
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#include "qgsfeature.h"
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#if (SIP_VERSION >= 0x040900 && SIP_VERSION < 0x040c01)
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#define sipType_QVariant ((sipWrapperType *) sipTypeAsPyTypeObject (sipType_QVariant))
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#endif
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%End
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public:
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static const QMetaObject staticMetaObject;
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public:
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SIP_PYOBJECT __iter__();
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%MethodCode
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QgsAttributes attributes = sipCpp->attributes();
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PyObject *attrs = sipConvertFromType( &attributes, sipType_QgsAttributes, Py_None );
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sipRes = PyObject_GetIter( attrs );
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%End
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SIP_PYOBJECT __getitem__( int key );
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%MethodCode
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QgsAttributes attrs = sipCpp->attributes();
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if ( a0 < 0 || a0 >= attrs.count() )
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{
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PyErr_SetString( PyExc_KeyError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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QVariant *v = new QVariant( attrs.at( a0 ) );
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sipRes = sipConvertFromNewType( v, sipType_QVariant, Py_None );
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}
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%End
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SIP_PYOBJECT __getitem__( const QString &name );
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex( *a0 );
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if ( fieldIdx == -1 )
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{
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PyErr_SetString( PyExc_KeyError, a0->toLatin1() );
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sipIsErr = 1;
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}
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else
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{
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QVariant *v = new QVariant( sipCpp->attribute( fieldIdx ) );
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sipRes = sipConvertFromNewType( v, sipType_QVariant, Py_None );
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}
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%End
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void __setitem__( int key, QVariant value /GetWrapper/ );
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%MethodCode
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bool rv;
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if ( a1Wrapper == Py_None )
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{
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rv = sipCpp->setAttribute( a0, QVariant( QVariant::Int ) );
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}
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else
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{
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rv = sipCpp->setAttribute( a0, *a1 );
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}
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if ( !rv )
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{
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PyErr_SetString( PyExc_KeyError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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%End
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void __setitem__( const QString &key, QVariant value /GetWrapper/ );
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex( *a0 );
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if ( fieldIdx == -1 )
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{
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PyErr_SetString( PyExc_KeyError, a0->toLatin1() );
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sipIsErr = 1;
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}
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else
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{
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if ( a1Wrapper == Py_None )
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{
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sipCpp->setAttribute( *a0, QVariant( QVariant::Int ) );
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}
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else
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{
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sipCpp->setAttribute( fieldIdx, *a1 );
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}
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}
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%End
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void __delitem__( int key );
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%MethodCode
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if ( a0 >= 0 && a0 < sipCpp->attributes().count() )
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sipCpp->deleteAttribute( a0 );
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else
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{
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PyErr_SetString( PyExc_KeyError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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%End
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void __delitem__( const QString &name );
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex( *a0 );
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if ( fieldIdx == -1 )
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{
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PyErr_SetString( PyExc_KeyError, a0->toLatin1() );
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sipIsErr = 1;
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}
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else
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sipCpp->deleteAttribute( fieldIdx );
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%End
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QgsFeature( qint64 id = FID_NULL );
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%Docstring
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Constructor for QgsFeature
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:param id: feature id
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%End
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QgsFeature( const QgsFields &fields, qint64 id = FID_NULL );
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%Docstring
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Constructor for QgsFeature
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:param fields: feature's fields
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:param id: feature id
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%End
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QgsFeature( const QgsFeature &rhs );
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%Docstring
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Copy constructor
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%End
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virtual ~QgsFeature();
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QgsFeatureId id() const;
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%Docstring
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Gets the feature ID for this feature.
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:return: feature ID
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.. seealso:: :py:func:`setId`
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%End
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void setId( QgsFeatureId id );
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%Docstring
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Sets the feature ID for this feature.
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:param id: feature id
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.. seealso:: :py:func:`id`
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%End
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QgsAttributes attributes() const;
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%Docstring
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Returns the feature's attributes.
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:return: list of feature's attributes
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.. seealso:: :py:func:`setAttributes`
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.. note::
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Alternatively in Python: iterate feature, eg. @code [attr for attr in feature] @endcode
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.. versionadded:: 2.9
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%End
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void setAttributes( const QgsAttributes &attrs );
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%Docstring
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Sets the feature's attributes.
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The feature will be valid after.
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:param attrs: attribute list
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.. seealso:: :py:func:`setAttribute`
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.. seealso:: :py:func:`attributes`
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%End
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bool setAttribute( int field, const QVariant &attr /GetWrapper/ );
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%Docstring
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Set an attribute's value by field index.
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The feature will be valid if it was successful.
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:param field: the index of the field to set
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:param attr: the value of the attribute
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:return: ``False``, if the field index does not exist
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.. note::
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For Python: raises a KeyError exception instead of returning ``False``
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.. note::
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Alternatively in Python: @code feature[field] = attr @endcode
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.. seealso:: :py:func:`setAttributes`
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%End
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%MethodCode
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bool rv;
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if ( a1Wrapper == Py_None )
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{
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rv = sipCpp->setAttribute( a0, QVariant( QVariant::Int ) );
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}
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else
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{
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rv = sipCpp->setAttribute( a0, *a1 );
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}
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if ( !rv )
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{
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PyErr_SetString( PyExc_KeyError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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sipRes = rv;
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%End
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void initAttributes( int fieldCount );
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%Docstring
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Initialize this feature with the given number of fields. Discard any previously set attribute data.
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:param fieldCount: Number of fields to initialize
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%End
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void deleteAttribute( int field );
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%Docstring
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Deletes an attribute and its value.
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:param field: the index of the field
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.. seealso:: :py:func:`setAttribute`
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.. note::
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For Python: raises a KeyError exception if the field is not found
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.. note::
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Alternatively in Python: @code del feature[field] @endcode
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%End
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%MethodCode
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if ( a0 >= 0 && a0 < sipCpp->attributes().count() )
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sipCpp->deleteAttribute( a0 );
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else
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{
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PyErr_SetString( PyExc_KeyError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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%End
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bool isValid() const;
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%Docstring
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Returns the validity of this feature. This is normally set by
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the provider to indicate some problem that makes the feature
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invalid or to indicate a null feature.
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.. seealso:: :py:func:`setValid`
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%End
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void setValid( bool validity );
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%Docstring
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Sets the validity of the feature.
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:param validity: set to ``True`` if feature is valid
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.. seealso:: :py:func:`isValid`
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%End
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bool hasGeometry() const;
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%Docstring
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Returns ``True`` if the feature has an associated geometry.
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.. seealso:: :py:func:`geometry`
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.. versionadded:: 3.0.
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%End
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QgsGeometry geometry() const;
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%Docstring
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Returns the geometry associated with this feature. If the feature has no geometry,
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an empty QgsGeometry object will be returned.
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.. seealso:: :py:func:`hasGeometry`
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.. seealso:: :py:func:`setGeometry`
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%End
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void setGeometry( const QgsGeometry &geometry );
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%Docstring
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Set the feature's geometry. The feature will be valid after.
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:param geometry: new feature geometry
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.. seealso:: :py:func:`geometry`
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.. seealso:: :py:func:`clearGeometry`
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%End
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void setGeometry( QgsAbstractGeometry *geometry /Transfer/ );
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%Docstring
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Set the feature's ``geometry``. Ownership of the geometry is transferred to the feature.
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The feature will be made valid after calling this method.
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This method is a shortcut for calling:
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.. code-block:: python
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feature.setGeometry( QgsGeometry( geometry ) )
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Example
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-------
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.. code-block:: python
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# Sets a feature's geometry to a point geometry
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feature.setGeometry( QgsPoint( 210, 41 ) )
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print(feature.geometry())
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# output: <QgsGeometry: Point (210 41)>
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# Sets a feature's geometry to a line string
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feature.setGeometry( QgsLineString( [ QgsPoint( 210, 41 ), QgsPoint( 301, 55 ) ] ) )
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print(feature.geometry())
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# output: <QgsGeometry: LineString (210 41, 301 55)>
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.. seealso:: :py:func:`geometry`
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.. seealso:: :py:func:`clearGeometry`
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.. versionadded:: 3.6
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%End
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%MethodCode
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sipCpp->setGeometry( std::unique_ptr< QgsAbstractGeometry>( a0 ) );
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%End
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void clearGeometry();
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%Docstring
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Removes any geometry associated with the feature.
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.. seealso:: :py:func:`setGeometry`
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.. seealso:: :py:func:`hasGeometry`
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.. versionadded:: 3.0
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%End
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void setFields( const QgsFields &fields, bool initAttributes = true );
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%Docstring
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Assign a field map with the feature to allow attribute access by attribute name.
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:param fields: The attribute fields which this feature holds
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:param initAttributes: If ``True``, attributes are initialized. Clears any data previously assigned.
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C++: Defaults to ``False``
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Python: Defaults to ``True``
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.. seealso:: :py:func:`fields`
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.. versionadded:: 2.9
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%End
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QgsFields fields() const;
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%Docstring
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Returns the field map associated with the feature.
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.. seealso:: :py:func:`setFields`
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%End
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void setAttribute( const QString &name, const QVariant &value /GetWrapper/ );
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%Docstring
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Insert a value into attribute. Returns ``False`` if attribute name could not be converted to index.
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Field map must be associated using :py:func:`~QgsFeature.setFields` before this method can be used.
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The feature will be valid if it was successful
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:param name: The name of the field to set
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:param value: The value to set
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:return: ``False`` if attribute name could not be converted to index (C++ only)
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.. note::
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For Python: raises a KeyError exception instead of returning ``False``
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.. note::
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Alternatively in Python: @code feature[name] = attr @endcode
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.. seealso:: :py:func:`setFields`
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%End
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex( *a0 );
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if ( fieldIdx == -1 )
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{
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PyErr_SetString( PyExc_KeyError, a0->toLatin1() );
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sipIsErr = 1;
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}
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else
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{
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if ( a1Wrapper == Py_None )
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{
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sipCpp->setAttribute( *a0, QVariant( QVariant::Int ) );
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}
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else
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{
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sipCpp->setAttribute( fieldIdx, *a1 );
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}
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}
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%End
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bool deleteAttribute( const QString &name );
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%Docstring
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Removes an attribute value by field name. Field map must be associated using :py:func:`~QgsFeature.setFields`
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before this method can be used.
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:param name: The name of the field to delete
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:return: ``False`` if attribute name could not be converted to index (C++ only)
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.. note::
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For Python: raises a KeyError exception instead of returning ``False``
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.. note::
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Alternatively in Python: @code del feature[name] @endcode
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.. seealso:: :py:func:`setFields`
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%End
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex( *a0 );
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if ( fieldIdx == -1 )
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{
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PyErr_SetString( PyExc_KeyError, a0->toLatin1() );
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sipIsErr = 1;
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sipRes = false;
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}
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else
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{
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sipCpp->deleteAttribute( fieldIdx );
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sipRes = true;
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}
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%End
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SIP_PYOBJECT attribute( const QString &name ) const;
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%Docstring
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Lookup attribute value from attribute name. Field map must be associated using :py:func:`~QgsFeature.setFields`
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before this method can be used.
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:param name: The name of the attribute to get
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:return: The value of the attribute (C++: Invalid variant if no such name exists )
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.. note::
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For Python: raises a KeyError exception if the field is not found
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.. note::
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Alternatively in Python: @code feature[name] @endcode
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.. seealso:: :py:func:`setFields`
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%End
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%MethodCode
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int fieldIdx = sipCpp->fieldNameIndex( *a0 );
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if ( fieldIdx == -1 )
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{
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PyErr_SetString( PyExc_KeyError, a0->toLatin1() );
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sipIsErr = 1;
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}
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else
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{
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QVariant *v = new QVariant( sipCpp->attribute( fieldIdx ) );
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sipRes = sipConvertFromNewType( v, sipType_QVariant, Py_None );
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}
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%End
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SIP_PYOBJECT attribute( int fieldIdx ) const;
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%Docstring
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Lookup attribute value from its index. Field map must be associated using :py:func:`~QgsFeature.setFields`
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before this method can be used.
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:param fieldIdx: The index of the attribute to get
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:return: The value of the attribute (C++: Invalid variant if no such index exists )
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.. note::
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For Python: raises a KeyError exception if the field is not found
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.. note::
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Alternatively in Python: @code feature[fieldIdx] @endcode
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.. seealso:: :py:func:`setFields`
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%End
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%MethodCode
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{
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if ( a0 < 0 || a0 >= sipCpp->attributes().count() )
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{
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PyErr_SetString( PyExc_KeyError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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QVariant *v = new QVariant( sipCpp->attribute( a0 ) );
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sipRes = sipConvertFromNewType( v, sipType_QVariant, Py_None );
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}
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}
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%End
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int fieldNameIndex( const QString &fieldName ) const;
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%Docstring
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Utility method to get attribute index from name. Field map must be associated using :py:func:`~QgsFeature.setFields`
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before this method can be used.
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:param fieldName: name of field to get attribute index of
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:return: -1 if field does not exist or field map is not associated.
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.. seealso:: :py:func:`setFields`
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%End
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operator QVariant() const;
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}; // class QgsFeature
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typedef QMap<qint64, QMap<int, QVariant> > QgsChangedAttributesMap;
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typedef QMap<qint64, QgsGeometry> QgsGeometryMap;
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typedef QList<QgsFeature> QgsFeatureList;
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/qgsfeature.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
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