Given an OGR string, an OGR connection and an OGR layer, create and
        return a representation of a MapFile LAYER block.

def _get_default_mapfile_excerpt(self):
        """ Given an OGR string, an OGR connection and an OGR layer, create and
        return a representation of a MapFile LAYER block. """
            
        layerobj = self._get_layer_stub()
        classobj = mapscript.classObj() 
        layerobj.insertClass(classobj)
        styleobj = self._get_default_style()
        classobj.insertStyle(styleobj)
        
        return mapserializer.layerobj_to_dict(layerobj,None)