/// <summary>
/// Find line in Hashable and udpate Result
/// </summary>
/// <param name="hashtable">Reference to collection</param>
/// <param name="result">Reserence to Result</param>
/// <param name="thisTuner">Tnis object Tuner</param>
private void ReadFromHashtable(Hashtable hashtable,
Result result, ref Tuner thisTuner)
{
// If checker become intune
if (this.inTune == 1)
{
// We do not need of tuner more
thisTuner = null;
}
// Get result from hashtable
if (hashtable.Contains(result.SearchLine))
{
result.Increace((int)hashtable[result.SearchLine]);
}
}
/// <summary>
/// Trying find line in Hashable and udpate Result
/// </summary>
/// <param name="result">Reserence to Result</param>
/// <param name="thisTuner">Tnis object Tuner</param>
/// <param name="hashtable">Reference to collection</param>
private Boolean TryReadFromHashtable(Result result, ref Tuner thisTuner,
out Hashtable hashtable)
{
Boolean success = false;
hashtable = hashtableWeakReference.Target as Hashtable;
if (hashtable != null)
{
// Hashtable is exist
ReadFromHashtable(hashtable, result, ref thisTuner);
success = true;
}
return(success);
}
/// <summary>
/// Parse the part of file and update Result object and hashtable
/// </summary>
/// <param name="result">Result reference</param>
/// <param name="thisTuner">Reference to this Tuner</param>
/// <param name="prevTuner">Reference to previous Tuner</param>
/// <param name="token">Cancellation Token</param>
/// <returns>Referеnce to hashtable</returns>
private Hashtable Parse(Result result, Tuner thisTuner,
Tuner prevTuner, CancellationToken token)
{
Hashtable hashtable = new Hashtable();
using (Stream stream = this.GetStream())
{
using (StreamReader streamReader = new StreamReader(stream))
{
// Process first line
string line = streamReader.ReadLine();
if (this.firstCall && prevTuner != null)
{
// Take the first line during the first pass
this.firstSubline = line;
this.innerOffset = String.IsNullOrEmpty(line) ? 0 : line.Length;
}
else
{
DoLineCheck(line, result, hashtable);
}
this.firstCall = false;
// Now execution can be canceled
// Process body
Boolean done = streamReader.EndOfStream;
while (!done)
{
line = streamReader.ReadLine();
if (!streamReader.EndOfStream)
{
// Process all string but not last one
DoLineCheck(line, result, hashtable);
}
else
{
done = true;
}
if (token.IsCancellationRequested)
{
// Do not save broken hashtable
hashtable = null;
done = true;
}
}
if (!token.IsCancellationRequested)
{
// Process last line
if (this.inTune == 0)
{
//Save last string
this.lastSubline = line;
}
// If tuner stil alive he should process this line,
// even if checker already in tune
if (thisTuner == null)
{
// Tune is done - process last line
// Hastable was collect, but offset and byte count already changed
DoLineCheck(line, result, hashtable);
}
}
}
}
return(hashtable);
}
