QgsDelimitedTextProvider::QgsDelimitedTextProvider( QString uri )
: QgsVectorDataProvider( uri )
, mLayerValid( false )
, mValid( false )
, mFile( 0 )
, mGeomRep( GeomNone )
, mFieldCount( 0 )
, mXFieldIndex( -1 )
, mYFieldIndex( -1 )
, mWktFieldIndex( -1 )
, mWktHasZM( false )
, mWktHasPrefix( false )
, mXyDms( false )
, mSubsetString( "" )
, mSubsetExpression( 0 )
, mBuildSubsetIndex( true )
, mUseSubsetIndex( false )
, mMaxInvalidLines( 50 )
, mShowInvalidLines( true )
, mRescanRequired( false )
, mCrs()
, mWkbType( QGis::WKBNoGeometry )
, mGeometryType( QGis::UnknownGeometry )
, mBuildSpatialIndex( false )
, mSpatialIndex( 0 )
{
// Add supported types to enable creating expression fields in field calculator
mNativeTypes
<< QgsVectorDataProvider::NativeType( tr( "Whole number (integer)" ), "integer", QVariant::Int, 0, 10 )
<< QgsVectorDataProvider::NativeType( tr( "Whole number (integer - 64 bit)" ), "int8", QVariant::LongLong )
<< QgsVectorDataProvider::NativeType( tr( "Decimal number (double)" ), "double precision", QVariant::Double, -1, -1, -1, -1 )
<< QgsVectorDataProvider::NativeType( tr( "Text, unlimited length (text)" ), "text", QVariant::String, -1, -1, -1, -1 )
;
QgsDebugMsg( "Delimited text file uri is " + uri );
QUrl url = QUrl::fromEncoded( uri.toAscii() );
mFile = new QgsDelimitedTextFile();
mFile->setFromUrl( url );
QString subset;
if ( url.hasQueryItem( "geomType" ) )
{
QString gtype = url.queryItemValue( "geomType" ).toLower();
if ( gtype == "point" ) mGeometryType = QGis::Point;
else if ( gtype == "line" ) mGeometryType = QGis::Line;
else if ( gtype == "polygon" ) mGeometryType = QGis::Polygon;
else if ( gtype == "none " ) mGeometryType = QGis::NoGeometry;
}
if ( mGeometryType != QGis::NoGeometry )
{
if ( url.hasQueryItem( "wktField" ) )
{
mWktFieldName = url.queryItemValue( "wktField" );
mGeomRep = GeomAsWkt;
QgsDebugMsg( "wktField is: " + mWktFieldName );
}
else if ( url.hasQueryItem( "xField" ) && url.hasQueryItem( "yField" ) )
{
mGeomRep = GeomAsXy;
mGeometryType = QGis::Point;
mXFieldName = url.queryItemValue( "xField" );
mYFieldName = url.queryItemValue( "yField" );
QgsDebugMsg( "xField is: " + mXFieldName );
QgsDebugMsg( "yField is: " + mYFieldName );
if ( url.hasQueryItem( "xyDms" ) )
{
mXyDms = ! url.queryItemValue( "xyDms" ).toLower().startsWith( "n" );
}
}
else
{
mGeometryType = QGis::NoGeometry;
}
}
if ( url.hasQueryItem( "decimalPoint" ) )
mDecimalPoint = url.queryItemValue( "decimalPoint" );
if ( url.hasQueryItem( "crs" ) )
mCrs.createFromString( url.queryItemValue( "crs" ) );
if ( url.hasQueryItem( "subsetIndex" ) )
{
mBuildSubsetIndex = ! url.queryItemValue( "subsetIndex" ).toLower().startsWith( "n" );
}
if ( url.hasQueryItem( "spatialIndex" ) )
{
mBuildSpatialIndex = ! url.queryItemValue( "spatialIndex" ).toLower().startsWith( "n" );
}
if ( url.hasQueryItem( "subset" ) )
{
subset = url.queryItemValue( "subset" );
QgsDebugMsg( "subset is: " + subset );
}
if ( url.hasQueryItem( "quiet" ) ) mShowInvalidLines = false;
// Do an initial scan of the file to determine field names, types,
// geometry type (for Wkt), extents, etc. Parameter value subset.isEmpty()
// avoid redundant building indexes if we will be building a subset string,
// in which case indexes will be rebuilt.
scanFile( subset.isEmpty() );
if ( ! subset.isEmpty() )
{
setSubsetString( subset );
}
}
QgsDelimitedTextProvider::QgsDelimitedTextProvider( const QString &uri, const ProviderOptions &options )
: QgsVectorDataProvider( uri, options )
{
// Add supported types to enable creating expression fields in field calculator
setNativeTypes( QList< NativeType >()
<< QgsVectorDataProvider::NativeType( tr( "Whole number (integer)" ), QStringLiteral( "integer" ), QVariant::Int, 0, 10 )
<< QgsVectorDataProvider::NativeType( tr( "Whole number (integer - 64 bit)" ), QStringLiteral( "int8" ), QVariant::LongLong )
<< QgsVectorDataProvider::NativeType( tr( "Decimal number (double)" ), QStringLiteral( "double precision" ), QVariant::Double, -1, -1, -1, -1 )
<< QgsVectorDataProvider::NativeType( tr( "Text, unlimited length (text)" ), QStringLiteral( "text" ), QVariant::String, -1, -1, -1, -1 )
);
QgsDebugMsg( "Delimited text file uri is " + uri );
QUrl url = QUrl::fromEncoded( uri.toLatin1() );
mFile = qgis::make_unique< QgsDelimitedTextFile >();
mFile->setFromUrl( url );
QString subset;
if ( url.hasQueryItem( QStringLiteral( "geomType" ) ) )
{
QString gtype = url.queryItemValue( QStringLiteral( "geomType" ) ).toLower();
if ( gtype == QLatin1String( "point" ) ) mGeometryType = QgsWkbTypes::PointGeometry;
else if ( gtype == QLatin1String( "line" ) ) mGeometryType = QgsWkbTypes::LineGeometry;
else if ( gtype == QLatin1String( "polygon" ) ) mGeometryType = QgsWkbTypes::PolygonGeometry;
else if ( gtype == QLatin1String( "none " ) ) mGeometryType = QgsWkbTypes::NullGeometry;
}
if ( mGeometryType != QgsWkbTypes::NullGeometry )
{
if ( url.hasQueryItem( QStringLiteral( "wktField" ) ) )
{
mWktFieldName = url.queryItemValue( QStringLiteral( "wktField" ) );
mGeomRep = GeomAsWkt;
QgsDebugMsg( "wktField is: " + mWktFieldName );
}
else if ( url.hasQueryItem( QStringLiteral( "xField" ) ) && url.hasQueryItem( QStringLiteral( "yField" ) ) )
{
mGeomRep = GeomAsXy;
mGeometryType = QgsWkbTypes::PointGeometry;
mXFieldName = url.queryItemValue( QStringLiteral( "xField" ) );
mYFieldName = url.queryItemValue( QStringLiteral( "yField" ) );
QgsDebugMsg( "xField is: " + mXFieldName );
QgsDebugMsg( "yField is: " + mYFieldName );
if ( url.hasQueryItem( QStringLiteral( "xyDms" ) ) )
{
mXyDms = ! url.queryItemValue( QStringLiteral( "xyDms" ) ).toLower().startsWith( 'n' );
}
}
else
{
mGeometryType = QgsWkbTypes::NullGeometry;
}
}
mDetectTypes = true;
if ( url.hasQueryItem( QStringLiteral( "detectTypes" ) ) )
mDetectTypes = ! url.queryItemValue( QStringLiteral( "detectTypes" ) ).toLower().startsWith( 'n' );
if ( url.hasQueryItem( QStringLiteral( "decimalPoint" ) ) )
mDecimalPoint = url.queryItemValue( QStringLiteral( "decimalPoint" ) );
if ( url.hasQueryItem( QStringLiteral( "crs" ) ) )
mCrs.createFromString( url.queryItemValue( QStringLiteral( "crs" ) ) );
if ( url.hasQueryItem( QStringLiteral( "subsetIndex" ) ) )
{
mBuildSubsetIndex = ! url.queryItemValue( QStringLiteral( "subsetIndex" ) ).toLower().startsWith( 'n' );
}
if ( url.hasQueryItem( QStringLiteral( "spatialIndex" ) ) )
{
mBuildSpatialIndex = ! url.queryItemValue( QStringLiteral( "spatialIndex" ) ).toLower().startsWith( 'n' );
}
if ( url.hasQueryItem( QStringLiteral( "subset" ) ) )
{
// We need to specify FullyDecoded so that %25 is decoded as %
subset = QUrlQuery( url ).queryItemValue( QStringLiteral( "subset" ), QUrl::FullyDecoded );
QgsDebugMsg( "subset is: " + subset );
}
if ( url.hasQueryItem( QStringLiteral( "quiet" ) ) ) mShowInvalidLines = false;
// Do an initial scan of the file to determine field names, types,
// geometry type (for Wkt), extents, etc. Parameter value subset.isEmpty()
// avoid redundant building indexes if we will be building a subset string,
// in which case indexes will be rebuilt.
scanFile( subset.isEmpty() );
if ( ! subset.isEmpty() )
{
setSubsetString( subset );
}
}
