/// <summary>
/// Initializes a new instance of the <see cref="T:VDFParser.Machines.VDFSM"/> class.
/// </summary>
public VDFSM()
{
entries = new List <VDFEntry>();
tmpBuffer = new List <byte>();
mainState = MainSMState.IndexBeginIndicator;
arraySM = new VDFIndexedArraySM();
fieldsSM = new VDFFieldsSM();
}
/// <summary>
/// Feeds a given byte to the SM
/// </summary>
/// <param name="b">Incoming byte to be fed to the SM</param>
public void Feed(byte b)
{
switch (mainState)
{
case MainSMState.IndexBeginIndicator:
if (b == 0x00)
{
Flush();
mainState = MainSMState.IndexValue;
tmpBuffer.Clear();
fieldsSM.Reset();
}
break;
case MainSMState.IndexValue:
if (b == 0x00) // Okay, next would be IndexEndIndicator,
// but the terminator is also the separator,
// and things would get messy. Let's just
// skip a whole SM step here and pretend
// everything is fine.
{
int indexResult;
if (int.TryParse(tmpBuffer.StringFromByteArray(), out indexResult))
{
currentEntry = new VDFEntry();
currentEntry.Index = indexResult;
mainState = MainSMState.Fields;
}
// The next is necessary to satisfy the SM pattern.
fieldsSM.Feed(b);
break;
}
tmpBuffer.Add(b);
break;
case MainSMState.Fields:
if (fieldsSM.Feed(b))
{
foreach (KeyValuePair <string, byte[]> k in fieldsSM.Fields)
{
FillEntry(k.Key, k.Value);
}
mainState = MainSMState.IndexBeginIndicator;
}
break;
}
}