Remove some doxygen comments from overridden methods (pt 1)

It's nearly always better to let doxygen use the base class
documentation (unless the subclass docs explicitly add something
of value for that subclass). The overriden docs are usually
out of date and the duplication makes documentation maintenance
harder.

Author: nyalldawson

src/providers/db2/qgsdb2featureiterator.h

@@ -66,19 +66,13 @@ class QgsDb2FeatureIterator : public QgsAbstractFeatureIteratorFromSource<QgsDb2
 
     ~QgsDb2FeatureIterator();
 
-    //! reset the iterator to the starting position
     virtual bool rewind() override;
-
-    //! end of iterating: free the resources / lock
     virtual bool close() override;
 
   protected:
     void BuildStatement( const QgsFeatureRequest& request );
 
-    //! fetch next feature, return true on success
     virtual bool fetchFeature( QgsFeature& feature ) override;
-
-    //! fetch next feature filter expression
     bool nextFeatureFilterExpression( QgsFeature& f ) override;
 
   private:

src/providers/delimitedtext/qgsdelimitedtextfeatureiterator.h

@@ -68,18 +68,14 @@ class QgsDelimitedTextFeatureIterator : public QgsAbstractFeatureIteratorFromSou
 
     ~QgsDelimitedTextFeatureIterator();
 
-    //! reset the iterator to the starting position
     virtual bool rewind() override;
-
-    //! end of iterating: free the resources / lock
     virtual bool close() override;
 
     // Tests whether the geometry is required, given that testGeometry is true.
     bool wantGeometry( const QgsPoint & point ) const;
     bool wantGeometry( const QgsGeometry& geom ) const;
 
   protected:
-    //! fetch next feature, return true on success
     virtual bool fetchFeature( QgsFeature& feature ) override;
 
     bool setNextFeatureId( qint64 fid );

src/providers/gdal/qgsgdalprovider.h

@@ -76,114 +76,35 @@ class QgsGdalProvider : public QgsRasterDataProvider, QgsGdalProviderBase
 
     QgsGdalProvider * clone() const override;
 
-    /** \brief   Renders the layer as an image
-     */
     QImage* draw( QgsRectangle  const & viewExtent, int pixelWidth, int pixelHeight ) override;
-
-    /** Return a provider name
-     *
-     * Essentially just returns the provider key.  Should be used to build file
-     * dialogs so that providers can be shown with their supported types. Thus
-     * if more than one provider supports a given format, the user is able to
-     * select a specific provider to open that file.
-     *
-     * @note
-     *
-     * Instead of being pure virtual, might be better to generalize this
-     * behavior and presume that none of the sub-classes are going to do
-     * anything strange with regards to their name or description?
-     *
-     */
     QString name() const override;
-
-
-    /** Return description
-     *
-     * Return a terse string describing what the provider is.
-     *
-     * @note
-     *
-     * Instead of being pure virtual, might be better to generalize this
-     * behavior and presume that none of the sub-classes are going to do
-     * anything strange with regards to their name or description?
-     *
-     */
     QString description() const override;
-
     virtual QgsCoordinateReferenceSystem crs() const override;
-
     virtual QgsRectangle extent() const override;
-
     bool isValid() const override;
-
     QgsRasterIdentifyResult identify( const QgsPoint & thePoint, QgsRaster::IdentifyFormat theFormat, const QgsRectangle &theExtent = QgsRectangle(), int theWidth = 0, int theHeight = 0, int theDpi = 96 ) override;
-
-    /**
-     * \brief   Returns the caption error text for the last error in this provider
-     *
-     * If an operation returns 0 (e.g. draw()), this function
-     * returns the text of the error associated with the failure.
-     * Interactive users of this provider can then, for example,
-     * call a QMessageBox to display the contents.
-     */
     QString lastErrorTitle() override;
-
-    /**
-     * \brief   Returns the verbose error text for the last error in this provider
-     *
-     * If an operation returns 0 (e.g. draw()), this function
-     * returns the text of the error associated with the failure.
-     * Interactive users of this provider can then, for example,
-     * call a QMessageBox to display the contents.
-     */
-
     QString lastError() override;
-
-    /** Returns a bitmask containing the supported capabilities
-        Note, some capabilities may change depending on which
-        sublayers are visible on this provider, so it may
-        be prudent to check this value per intended operation.
-      */
     int capabilities() const override;
-
     Qgis::DataType dataType( int bandNo ) const override;
     Qgis::DataType sourceDataType( int bandNo ) const override;
-
     int bandCount() const override;
-
     int colorInterpretation( int bandNo ) const override;
-
     int xBlockSize() const override;
     int yBlockSize() const override;
-
     int xSize() const override;
     int ySize() const override;
-
     QString generateBandName( int theBandNumber ) const override;
 
-    //! Reimplemented from QgsRasterDataProvider to bypass second resampling (more efficient for local file based sources)
+    // Reimplemented from QgsRasterDataProvider to bypass second resampling (more efficient for local file based sources)
     QgsRasterBlock *block( int theBandNo, const QgsRectangle &theExtent, int theWidth, int theHeight, QgsRasterBlockFeedback* feedback = nullptr ) override;
 
     void readBlock( int bandNo, int xBlock, int yBlock, void *data ) override;
     void readBlock( int bandNo, QgsRectangle  const & viewExtent, int width, int height, void *data, QgsRasterBlockFeedback* feedback = nullptr ) override;
-
-    /** Read band scale for raster value
-     * @@note added in 2.3 */
     double bandScale( int bandNo ) const override;
-
-    /** Read band offset for raster value
-     * @@note added in 2.3 */
     double bandOffset( int bandNo ) const override;
-
     QList<QgsColorRampShader::ColorRampItem> colorTable( int bandNo )const override;
-
-    /**
-     * Get metadata in a format suitable for feeding directly
-     * into a subset of the GUI raster properties "Metadata" tab.
-     */
     QString metadata() override;
-
-    //! \brief Returns the sublayers of this layer - Useful for providers that manage their own layers, such as WMS
     QStringList subLayers() const override;
     static QStringList subLayers( GDALDatasetH dataset );
 
@@ -228,12 +149,8 @@ class QgsGdalProvider : public QgsRasterDataProvider, QgsGdalProviderBase
 
     static QMap<QString, QString> supportedMimes();
 
-    //! Writes into the provider datasource
     bool write( void* data, int band, int width, int height, int xOffset, int yOffset ) override;
-
     bool setNoDataValue( int bandNo, double noDataValue ) override;
-
-    //! Remove dataset
     bool remove() override;
 
     QString validateCreationOptions( const QStringList& createOptions, const QString& format ) override;

src/providers/gpx/qgsgpxfeatureiterator.h

@@ -49,15 +49,11 @@ class QgsGPXFeatureIterator : public QgsAbstractFeatureIteratorFromSource<QgsGPX
 
     ~QgsGPXFeatureIterator();
 
-    //! reset the iterator to the starting position
     virtual bool rewind() override;
-
-    //! end of iterating: free the resources / lock
     virtual bool close() override;
 
   protected:
 
-    //! fetch next feature, return true on success
     virtual bool fetchFeature( QgsFeature& feature ) override;
 
     bool readFid( QgsFeature& feature );

src/providers/gpx/qgsgpxprovider.h

@@ -49,64 +49,24 @@ class QgsGPXProvider : public QgsVectorDataProvider
     /* Functions inherited from QgsVectorDataProvider */
 
     virtual QgsAbstractFeatureSource* featureSource() const override;
-
-    /**
-     *   Returns the permanent storage type for this layer as a friendly name.
-     */
     virtual QString storageType() const override;
-
     virtual QgsFeatureIterator getFeatures( const QgsFeatureRequest& request ) const override;
-
-    /**
-     * Get feature type.
-     * @return int representing the feature type
-     */
     virtual QgsWkbTypes::Type wkbType() const override;
-
-    /**
-     * Number of features in the layer
-     * @return long containing number of features
-     */
     virtual long featureCount() const override;
-
     virtual QgsFields fields() const override;
-
-    /**
-     * Adds a list of features
-     * @return true in case of success and false in case of failure
-     */
     virtual bool addFeatures( QgsFeatureList & flist ) override;
-
-    /**
-     * Deletes a feature
-     * @param id list containing feature ids to delete
-     * @return true in case of success and false in case of failure
-     */
     virtual bool deleteFeatures( const QgsFeatureIds & id ) override;
-
-    /**
-     * Changes attribute values of existing features.
-     * @param attr_map a map containing changed attributes
-     * @return true in case of success and false in case of failure
-     */
     virtual bool changeAttributeValues( const QgsChangedAttributesMap & attr_map ) override;
-
     virtual QgsVectorDataProvider::Capabilities capabilities() const override;
-
     virtual QVariant defaultValue( int fieldId ) const override;
 
 
     /* Functions inherited from QgsDataProvider */
 
     virtual QgsRectangle extent() const override;
     virtual bool isValid() const override;
-
-    //! Return a provider name
     virtual QString name() const override;
-
-    //! Return description
     virtual QString description() const override;
-
     virtual QgsCoordinateReferenceSystem crs() const override;
 
 

src/providers/grass/qgsgrassfeatureiterator.h

@@ -75,13 +75,8 @@ class GRASS_LIB_EXPORT QgsGrassFeatureIterator : public QObject, public QgsAbstr
 
     ~QgsGrassFeatureIterator();
 
-    //! fetch next feature, return true on success
     virtual bool fetchFeature( QgsFeature& feature ) override;
-
-    //! reset the iterator to the starting position
     virtual bool rewind() override;
-
-    //! end of iterating: free the resources / lock
     virtual bool close() override;
 
     // create QgsFeatureId from GRASS geometry object id, cat and layer number (editing)

src/providers/grass/qgsgrassprovider.h

@@ -64,30 +64,12 @@ class GRASS_LIB_EXPORT QgsGrassProvider : public QgsVectorDataProvider
     virtual ~QgsGrassProvider();
 
     virtual QgsVectorDataProvider::Capabilities capabilities() const override;
-
     virtual QgsAbstractFeatureSource* featureSource() const override;
-
-    /**
-      *   Returns the permanent storage type for this layer as a friendly name.
-      */
     virtual QString storageType() const override;
-
     virtual QgsFeatureIterator getFeatures( const QgsFeatureRequest& request ) const override;
-
-    /**
-     * Get the feature type as defined in WkbType (qgis.h).
-     * @return int representing the feature type
-     */
     QgsWkbTypes::Type wkbType() const override;
-
-
-    /**
-     * Get the number of features in the layer
-     */
     long featureCount() const override;
-
     virtual QgsRectangle extent() const override;
-
     QgsFields fields() const override;
 
     // ! Key (category) field index
@@ -98,7 +80,7 @@ class GRASS_LIB_EXPORT QgsGrassProvider : public QgsVectorDataProvider
 
     QVariant minimumValue( int index ) const override;
 
-    /** Returns the maximum value of an attributs
+    /** Returns the maximum value of an attribute
      *  @param index the index of the attribute */
     QVariant maxValue( int index );
 
@@ -347,10 +329,7 @@ class GRASS_LIB_EXPORT QgsGrassProvider : public QgsVectorDataProvider
      */
     static int grassLayerType( const QString & );
 
-    //! Return a provider name
     QString name() const override;
-
-    //! Return description
     QString description() const override;
 
     // Layer type (layerType)

src/providers/memory/qgsmemoryfeatureiterator.h

@@ -53,15 +53,11 @@ class QgsMemoryFeatureIterator : public QgsAbstractFeatureIteratorFromSource<Qgs
 
     ~QgsMemoryFeatureIterator();
 
-    //! reset the iterator to the starting position
     virtual bool rewind() override;
-
-    //! end of iterating: free the resources / lock
     virtual bool close() override;
 
   protected:
 
-    //! fetch next feature, return true on success
     virtual bool fetchFeature( QgsFeature& feature ) override;
 
     bool nextFeatureUsingList( QgsFeature& feature );