/**
* Reads one entry of the indexTable and return it's values in a SFOIndexTableEntry-object
* @param fIn
* @return SFOIndexTableEntry
* @throws IOException
*/
public static SFOIndexTableEntry ReadEntry(Stream fIn)
{
SFOIndexTableEntry sfoIndexTableEntry = new SFOIndexTableEntry();
byte[] tempByteArray1 = new byte[1];
byte[] tempByteArray2 = new byte[2];
byte[] tempByteArray4 = new byte[4];
// read offsetKeyNameInKeyTable
fIn.Read(tempByteArray2, 0, 2);
sfoIndexTableEntry.SetOffsetKeyNameInKeyTable(tempByteArray2);
// read dataAlignmentRequirements
fIn.Read(tempByteArray1, 0, 1);
sfoIndexTableEntry.SetDataAlignmentRequirements(tempByteArray1[0]);
// read dataTypeValue
fIn.Read(tempByteArray1, 0, 1);
sfoIndexTableEntry.SetDataTypeValue(tempByteArray1[0]);
// read sizeValueData
fIn.Read(tempByteArray4, 0, 4);
sfoIndexTableEntry.SetSizeValueData(SFOReaderUtilities.ByteArrayReverseToInt(tempByteArray4));
// read sizeValueDataAndPadding
fIn.Read(tempByteArray4, 0, 4);
sfoIndexTableEntry.SetSizeValueDataAndPadding(SFOReaderUtilities.ByteArrayReverseToInt(tempByteArray4));
// read offsetDataValueInDataTable
fIn.Read(tempByteArray4, 0, 4);
sfoIndexTableEntry.SetOffsetDataValueInDataTable(SFOReaderUtilities.ByteArrayReverseToInt(tempByteArray4));
return(sfoIndexTableEntry);
}
/**
* Reads an entry of the dataValueTable an return it as String
*
* @param fIn
* @param sfoIndexTableEntry
* @return String
* @throws IOException
*/
public string ReadEntry(Stream sfoFile, SFOIndexTableEntry sfoIndexTableEntry)
{
byte[] entryByteArray = new byte[sfoIndexTableEntry.GetSizeValueData()];
sfoFile.Read(entryByteArray, 0, sfoIndexTableEntry.GetSizeValueData());
this.valueBytesReaded += sfoIndexTableEntry.GetSizeValueData();
long offsetNextValue = sfoIndexTableEntry.GetOffsetDataValueInDataTable() +
sfoIndexTableEntry.GetSizeValueDataAndPadding(); // korrekt!
long skipBytes = offsetNextValue - this.valueBytesReaded;
sfoFile.Seek(skipBytes, SeekOrigin.Current);
this.valueBytesReaded += Convert.ToInt32(skipBytes);
return(SFOReaderUtilities.ByteArrayToString(entryByteArray, true));
}
private void Parse(Stream sfoFile)
{
// sfoHeader lesen
this.sfoHeader = SFOHeader.Read(sfoFile);
for (int i = 0; i < this.sfoHeader.GetNumberDataItems(); i++)
{
this.IndexTableEntries.Add(SFOIndexTableEntry.ReadEntry(sfoFile));
}
// Zum KeyTable Anfang springen
// (offset der KeyTabelle - Header-Lהnge - Anzahl * IndexEntry Lהnge = restl. zu ignorierende Bytes)
int skipBytesToKeyTable = this.sfoHeader.GetOffsetKeyTable() - SFOReader.headerSize -
(this.sfoHeader.GetNumberDataItems() * SFOIndexTableEntry.IndexTableEntryLength);
sfoFile.Seek(skipBytesToKeyTable, SeekOrigin.Current);
// read KeyTable
var sfoKeyTableEntry = new SfoKeyTableEntry();
var keyTableEntries = new List <string>();
for (int i = 0; i < this.sfoHeader.GetNumberDataItems(); i++)
{
keyTableEntries.Add(sfoKeyTableEntry.ReadEntry(sfoFile));
}
long skipBytesToValueTable = this.sfoHeader.GetOffsetValueTable() - this.sfoHeader.GetOffsetKeyTable() -
sfoKeyTableEntry.GetKeyTableLength();
sfoFile.Seek(skipBytesToValueTable, SeekOrigin.Current);
// read ValueTable
SFOValueTableEntry sfoValueTableEntry = new SFOValueTableEntry();
var valueTableEntries = new List <string>();
for (int i = 0; i < this.sfoHeader.GetNumberDataItems(); i++)
{
valueTableEntries.Add(sfoValueTableEntry.ReadEntry(sfoFile, this.IndexTableEntries[i])
.Replace("\0", string.Empty));
}
for (int i = 0; i < keyTableEntries.Count; i++)
{
this.KeyValues.Add(keyTableEntries[i], valueTableEntries[i]);
}
}
