/// <summary>
/// Unzip a zip file then use the inner reader to process it.
/// </summary>
/// <param name="zipStream">The zip file</param>
/// <param name="settings">Settings for the inner provider.</param>
/// <returns>Wrapped data file that can dispose both.</returns>
public IDataFile OpenDataFile(Stream zipStream, DataFileReaderSettings settings)
{
if (zipStream == null)
{
throw new ArgumentNullException(nameof(zipStream));
}
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
if (!zipStream.CanSeek)
{
throw new InvalidOperationException("Stream must be seekable");
}
ZipArchive archive = new ZipArchive(zipStream);
if (archive.Entries.Count != 1)
{
throw new FileFormatException("Zip file must contain exactly one data.");
}
Stream dataStream = archive.Entries[0].Open( );
IDataFile dataFile = InnerReaderService.OpenDataFile(dataStream, settings);
// Wrap so both get disposed
ZipDataFile zipDataFile = new ZipDataFile(dataFile, zipStream);
return(zipDataFile);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="excelFile">The sheet to read.</param>
/// <param name="settings">Processing settings.</param>
internal ExcelFileReader(Stream excelFile, DataFileReaderSettings settings)
{
if (excelFile == null)
{
throw new ArgumentNullException("excelFile");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
_stream = excelFile;
_settings = settings;
_document = SpreadsheetDocument.Open(_stream, false);
_sheetId = _settings.SheetId;
if (_sheetId == null)
{
SheetInfo firstSheet = GetSheets( )?.FirstOrDefault( );
if (firstSheet != null)
{
_sheetId = firstSheet.SheetId;
}
}
}
public IDataFile OpenDataFile(Stream sheetFile, DataFileReaderSettings settings)
{
if (sheetFile == null)
{
throw new ArgumentNullException("sheetFile");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
return(new CsvFileReader(sheetFile, settings));
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="fields">The field data.</param>
/// <param name="lineNumber">The line number, for reporting purposes.</param>
/// <param name="settings">General settings</param>
internal CsvObjectReader(string[] fields, long lineNumber, DataFileReaderSettings settings)
{
if (fields == null)
{
throw new ArgumentNullException(nameof(fields));
}
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
_fields = fields;
_lineNumber = lineNumber;
_settings = settings;
}
public IDataFile OpenDataFile(Stream excelSpreadsheet, DataFileReaderSettings settings)
{
if (excelSpreadsheet == null)
{
throw new ArgumentNullException("excelSpreadsheet");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
try
{
return(new ExcelFileReader(excelSpreadsheet, settings));
}
catch (FileFormatException ex)
{
throw new RN.FileFormatException(ex.Message);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="csvStream">The sheet to read.</param>
/// <param name="settings">Processing settings.</param>
internal CsvFileReader(Stream csvStream, DataFileReaderSettings settings)
{
if (csvStream == null)
{
throw new ArgumentNullException("csvStream");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
// Strip zip flag (or others)
_importFormat = settings.ImportFormat & (ImportFormat.CSV | ImportFormat.Tab);
if (_importFormat != ImportFormat.CSV && settings.ImportFormat != ImportFormat.Tab)
{
throw new ArgumentException("settings");
}
_csvStream = csvStream;
_settings = settings;
OpenCsvFile( );
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="excelRow">The OpenXml Excel row.</param>
/// <param name="document"></param>
/// <param name="settings">General settings.</param>
internal ExcelObjectReader(Row excelRow, SpreadsheetDocument document, DataFileReaderSettings settings)
{
if (excelRow == null)
{
throw new ArgumentNullException(nameof(excelRow));
}
if (!excelRow.RowIndex.HasValue)
{
throw new ArgumentException("RowIndex is not set", nameof(excelRow));
}
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
_row = excelRow;
_rowIndex = excelRow.RowIndex.Value;
_document = document;
_settings = settings;
}