/**
* 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);
}
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);
}
/**
* Reverse any byte[]-Array and converts it then to an int
*
* @param b
* @return int
*/
public static int ByteArrayReverseToInt(byte[] b)
{
byte[] bTemp = new byte[b.Length];
for (int i = b.Length - 1, j = 0; i >= 0; i--, j++)
{
bTemp[j] = b[i];
}
return(SFOReaderUtilities.ByteArrayToInt(bTemp));
}
/**
* 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));
}
/**
* Returns any byte[]-Array as an int
*
* @param b
* @return Integer
*/
public static int ByteArrayToInt(byte[] b)
{
return(SFOReaderUtilities.ByteArrayToInt(b, 0));
}
/**
* Converts any byte[]-Array to a string with the specified encoding.
*
* @param byteArray
* @param encoding
* @return String
*/
public static string ByteArrayToString(byte[] byteArray)
{
return(SFOReaderUtilities.ByteArrayToString(byteArray, false));
}
