public static SFOHeader Read(Stream fIn)
{
SFOHeader sfoHeader = new SFOHeader();
byte[] tempByteArray = new byte[4];
// read FileType
fIn.Read(tempByteArray, 0, 4);
sfoHeader.SetFileType(SFOReaderUtilities.ByteArrayToString(tempByteArray));
// read sfoVerion
fIn.Read(tempByteArray, 0, 4);
sfoHeader.SetSfoVersion(SFOReaderUtilities.ByteArrayToString(tempByteArray));
// read offsetKeyTable
fIn.Read(tempByteArray, 0, 4);
sfoHeader.SetOffsetKeyTable(SFOReaderUtilities.ByteArrayReverseToInt(tempByteArray));
// read offsetValueTable
fIn.Read(tempByteArray, 0, 4);
sfoHeader.SetOffsetValueTable(SFOReaderUtilities.ByteArrayReverseToInt(tempByteArray));
// read numberDataItem
fIn.Read(tempByteArray, 0, 4);
sfoHeader.SetNumberDataItems(SFOReaderUtilities.ByteArrayReverseToInt(tempByteArray));
return(sfoHeader);
}
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]);
}
}
