public virtual Report TransformData(Report report)
{
if (_next != null)
{
return(_next.TransformData(report));
}
return(report);
}
public List<FileEntry> GetDirectory(Stream strm, IDataTransformer zlibdec)
{
List<FileEntry> results = new List<FileEntry>();
byte[] headerbytes = new byte[512];
int i = 0;
byte b;
string[] header;
int IndexOffset;
int Key;
byte[] IndexData;
byte[] OutIndexData;
int OutLength = 0;
// read header
do
{
b = (byte)strm.ReadByte();
headerbytes[i++] = b;
} while (b != 0x0a);
header = Encoding.ASCII.GetString(headerbytes, 0, i - 1).Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (header.Length != 3)
return null;
IndexOffset = Convert.ToInt32(header[1], 16);
Key = Convert.ToInt32(header[2], 16);
// read index data
strm.Seek(IndexOffset, SeekOrigin.Begin);
IndexData = new byte[strm.Length - IndexOffset];
strm.Read(IndexData, 0, IndexData.Length);
OutIndexData = new byte[2 * IndexData.Length];
do
{
TransformationResult res;
try
{
OutLength = OutIndexData.Length;
res = zlibdec.TransformData(IndexData, OutIndexData, IndexData.Length, ref OutLength);
}
catch (Exception)
{
res = TransformationResult.BufferTooSmall;
}
if (res != TransformationResult.BufferTooSmall)
break;
// if our buffer is too small, try again with a bigger one
OutIndexData = new byte[2 * OutIndexData.Length];
} while (true);
results = PickleLoader.Load(OutIndexData, Key);
return results;
}
public Report TransformData(DataRow[] data)
{
var report = dataTransformer.TransformData(data);
return(AfterTransform(report, data));
}
public Report CreateReport() => _dataTransformer.TransformData(Data);