private void timer1_Tick(object sender, EventArgs e)
{
lock (timer1)
{
if (resultQueue != null)
{
foreach (ResultItem item in resultQueue)
{
ListViewItem listItem = new ListViewItem();
listItem.Text = item.filename;
occurrences += item.hits;
DeltaInfo deltaInfo = DeltaInfo.Construct(item.before, item.after);
if (deltaInfo != null)
{
if (deltaInfo.EndPosBefore - deltaInfo.StartPos > 0 &&
deltaInfo.EndPosAfter - deltaInfo.StartPos > 0)
{
listItem.SubItems.Add(item.before.Substring(deltaInfo.StartPos, deltaInfo.EndPosBefore - deltaInfo.StartPos).Trim());
listItem.SubItems.Add(item.after.Substring(deltaInfo.StartPos, deltaInfo.EndPosAfter - deltaInfo.StartPos).Trim());
}
else
{
listItem.Text = "ERROR" + listItem.Text;
}
Result.Items.Add(listItem);
}
}
}
resultQueue = null;
}
if (endSignalReceived)
{
StatusText.Text = "Done";
Go.Text = "Go";
timer1.Stop();
}
else
{
if (currentlyScanning != "")
{
StatusText.Text = currentlyScanning.Substring(Path.Text.Length);
}
else
{
StatusText.Text = "Preparing...";
}
}
ProgressText.Text = String.Format("{0} scanned; {1} found in {2} files. ", scanned, occurrences, Result.Items.Count);
}
public static DeltaInfo Construct(string before, string after)
{
if (before == after)
{
return(null);
}
char[] beforeArray = before.ToCharArray();
char[] afterArray = after.ToCharArray();
int startPos = beforeArray.TakeWhile((x, i) => x == afterArray[i]).Count();
int endPosBefore = beforeArray.TakeWhile((x, i) => i <= startPos || x != '\n').Count();
int endPosAfter = afterArray.TakeWhile((x, i) => i <= startPos || x != '\n').Count();
DeltaInfo deltaInfo = new DeltaInfo();
deltaInfo.StartPos = startPos;
deltaInfo.EndPosAfter = endPosAfter;
deltaInfo.EndPosBefore = endPosBefore;
return(deltaInfo);
}
