QgsFields QgsOgrUtils::stringToFields( const QString& string, QTextCodec* encoding )
{
QgsFields fields;
if ( string.isEmpty() )
return fields;
QString randomFileName = QString( "/vsimem/%1" ).arg( QUuid::createUuid().toString() );
// create memory file system object from buffer
QByteArray ba = string.toUtf8();
VSIFCloseL( VSIFileFromMemBuffer( TO8( randomFileName ), reinterpret_cast< GByte* >( ba.data() ),
static_cast< vsi_l_offset >( ba.size() ), FALSE ) );
OGRDataSourceH hDS = OGROpen( TO8( randomFileName ), false, nullptr );
if ( !hDS )
{
VSIUnlink( TO8( randomFileName ) );
return fields;
}
OGRLayerH ogrLayer = OGR_DS_GetLayer( hDS, 0 );
if ( !ogrLayer )
{
OGR_DS_Destroy( hDS );
VSIUnlink( TO8( randomFileName ) );
return fields;
}
OGRFeatureH oFeat;
//read in the first feature only
if (( oFeat = OGR_L_GetNextFeature( ogrLayer ) ) )
{
fields = readOgrFields( oFeat, encoding );
OGR_F_Destroy( oFeat );
}
OGR_DS_Destroy( hDS );
VSIUnlink( TO8( randomFileName ) );
return fields;
}
QgsFields QgsOgrUtils::stringToFields( const QString &string, QTextCodec *encoding )
{
QgsFields fields;
if ( string.isEmpty() )
return fields;
QString randomFileName = QStringLiteral( "/vsimem/%1" ).arg( QUuid::createUuid().toString() );
// create memory file system object from buffer
QByteArray ba = string.toUtf8();
VSIFCloseL( VSIFileFromMemBuffer( randomFileName.toUtf8().constData(), reinterpret_cast< GByte * >( ba.data() ),
static_cast< vsi_l_offset >( ba.size() ), FALSE ) );
gdal::ogr_datasource_unique_ptr hDS( OGROpen( randomFileName.toUtf8().constData(), false, nullptr ) );
if ( !hDS )
{
VSIUnlink( randomFileName.toUtf8().constData() );
return fields;
}
OGRLayerH ogrLayer = OGR_DS_GetLayer( hDS.get(), 0 );
if ( !ogrLayer )
{
hDS.reset();
VSIUnlink( randomFileName.toUtf8().constData() );
return fields;
}
gdal::ogr_feature_unique_ptr oFeat;
//read in the first feature only
if ( oFeat.reset( OGR_L_GetNextFeature( ogrLayer ) ), oFeat )
{
fields = readOgrFields( oFeat.get(), encoding );
}
hDS.reset();
VSIUnlink( randomFileName.toUtf8().constData() );
return fields;
}
