public void ShowError(Exception exc, bool scrollToEnd)
{
StopAll( );
lock (this)
{
LastText = null;
LastMatches = null;
LastExternalUnderliningSegments = null;
}
Dispatcher.BeginInvoke(new Action(() =>
{
CancelInfo( );
ShowOne(rtbError);
runError.Text = exc.Message.Trim( ) + Environment.NewLine;
if (scrollToEnd)
{
rtbError.ScrollToEnd( );
}
else
{
rtbError.ScrollToHome( );
}
}));
}
public void SetMatches(string text, RegexMatches matches, bool showFirstOnly, bool showSucceededGroupsOnly, bool showCaptures)
{
if (matches == null)
{
throw new ArgumentNullException(nameof(matches));
}
lock (this)
{
if (LastMatches != null)
{
var old_groups = LastMatches.Matches.SelectMany(m => m.Groups).Select(g => (g.Index, g.Length, g.Value, g.Name));
var new_groups = matches.Matches.SelectMany(m => m.Groups).Select(g => (g.Index, g.Length, g.Value, g.Name));
var old_captures = LastMatches.Matches.SelectMany(m => m.Groups).SelectMany(g => g.Captures).Select(c => c.Value);
var new_captures = matches.Matches.SelectMany(m => m.Groups).SelectMany(g => g.Captures).Select(c => c.Value);
if (rtbMatches.IsVisible &&
showFirstOnly == LastShowFirstOnly &&
showSucceededGroupsOnly == LastShowSucceededGroupsOnly &&
showCaptures == LastShowCaptures &&
new_groups.SequenceEqual(old_groups) &&
new_captures.SequenceEqual(old_captures))
{
CancelInfo( );
LastText = text;
LastMatches = matches;
LastExternalUnderliningSegments = null;
return;
}
}
}
ShowMatchesLoop.SendRewind( );
LocalUnderliningLoop.SendRewind( );
ExternalUnderliningLoop.SendRewind( );
LocalUnderliningAdorner.SetRangesToUnderline(null); //?
ExternalUnderliningAdorner.SetRangesToUnderline(null); //?
lock (this)
{
LastText = text;
LastMatches = matches;
LastShowCaptures = showCaptures;
LastShowFirstOnly = showFirstOnly;
LastShowSucceededGroupsOnly = showSucceededGroupsOnly;
LastExternalUnderliningSegments = null;
}
ShowMatchesLoop.SendWaitAndExecute( );
LocalUnderliningLoop.SendWaitAndExecute( );
ExternalUnderliningLoop.SendWaitAndExecute( );
}
public void ShowNoPattern( )
{
StopAll( );
lock (this)
{
LastText = null;
LastMatches = null;
LastExternalUnderliningSegments = null;
}
Dispatcher.BeginInvoke(new Action(() =>
{
CancelInfo( );
ShowOne(rtbNoPattern);
}));
}
public void SetMatches(RegexMatches matches, bool showCaptures, string eol)
{
if (matches == null)
{
throw new ArgumentNullException(nameof(matches));
}
string last_text;
RegexMatches last_matches;
bool last_show_captures;
string last_eol;
lock (this)
{
last_text = LastText;
last_matches = LastMatches;
last_show_captures = LastShowCaptures;
last_eol = LastEol;
}
string text = GetBaseTextData(eol).Text;
if (last_matches != null)
{
var old_groups = last_matches.Matches.SelectMany(m => m.Groups).Select(g => (g.Index, g.Length, g.Value));
var new_groups = matches.Matches.SelectMany(m => m.Groups).Select(g => (g.Index, g.Length, g.Value));
if (string.Equals(text, last_text) &&
showCaptures == last_show_captures &&
eol == last_eol &&
new_groups.SequenceEqual(old_groups))
{
lock (this)
{
LastMatches = matches;
LastExternalUnderlineInfo = null;
}
MatchesUpdatedEvent.Set( );
return;
}
}
RecolouringLoop.SendRewind( );
LocalUnderliningLoop.SendRewind( );
ExternalUnderliningLoop.SendRewind( );
lock (this)
{
LastText = text;
LastMatches = matches;
LastShowCaptures = showCaptures;
LastEol = eol;
LastExternalUnderlineInfo = null;
}
MatchesUpdatedEvent.Set( );
RecolouringLoop.SendWaitAndExecute( );
LocalUnderliningLoop.SendWaitAndExecute( );
ExternalUnderliningLoop.SendWaitAndExecute( );
}
void FindMatchesThreadProc(ICancellable cnc)
{
string eol = null;
string pattern = null;
string text = null;
bool first_only = false;
IRegexEngine engine = null;
UITaskHelper.Invoke(this,
() =>
{
eol = GetEolOption( );
pattern = ucPattern.GetBaseTextData(eol).Text;
if (cnc.IsCancellationRequested)
{
return;
}
text = ucText.GetBaseTextData(eol).Text;
if (cnc.IsCancellationRequested)
{
return;
}
first_only = cbShowFirstOnly.IsChecked == true;
engine = CurrentRegexEngine;
});
if (cnc.IsCancellationRequested)
{
return;
}
if (string.IsNullOrEmpty(pattern))
{
UITaskHelper.BeginInvoke(this,
() =>
{
ucText.SetMatches(RegexMatches.Empty, cbShowCaptures.IsChecked == true, GetEolOption( ));
ucMatches.ShowNoPattern( );
lblMatches.Text = "Matches";
pnlShowAll.Visibility = Visibility.Collapsed;
pnlShowFirst.Visibility = Visibility.Collapsed;
});
}
else
{
IMatcher parsed_pattern = null;
RegexMatches matches = null;
bool is_good = false;
try
{
UITaskHelper.BeginInvoke(this, CancellationToken.None, () => ucMatches.ShowMatchingInProgress(true));
parsed_pattern = engine.ParsePattern(pattern);
var indeterminate_progress_thread = new Thread(IndeterminateProgressThreadProc)
{
IsBackground = true
};
try
{
indeterminate_progress_thread.Start( );
matches = parsed_pattern.Matches(text, cnc);
}
finally
{
HideIndeterminateProgress(indeterminate_progress_thread);
}
is_good = true;
}
catch (Exception exc)
{
if (cnc.IsCancellationRequested)
{
return;
}
UITaskHelper.BeginInvoke(this, CancellationToken.None,
() =>
{
ucText.SetMatches(RegexMatches.Empty, cbShowCaptures.IsChecked == true, GetEolOption( ));
ucMatches.ShowError(exc, engine.Capabilities.HasFlag(RegexEngineCapabilityEnum.ScrollErrorsToEnd));
lblMatches.Text = "Error";
pnlShowAll.Visibility = Visibility.Collapsed;
pnlShowFirst.Visibility = Visibility.Collapsed;
});
Debug.Assert(!is_good);
}
finally
{
UITaskHelper.BeginInvoke(this, CancellationToken.None, () => ucMatches.ShowMatchingInProgress(false));
}
if (cnc.IsCancellationRequested)
{
return;
}
if (is_good)
{
int count = matches.Count;
var matches_to_show = first_only ?
new RegexMatches(Math.Min(1, count), matches.Matches.Take(1)) :
matches;
if (cnc.IsCancellationRequested)
{
return;
}
UITaskHelper.BeginInvoke(this,
() =>
{
ucText.SetMatches(matches_to_show, cbShowCaptures.IsChecked == true, GetEolOption( ));
ucMatches.SetMatches(text, matches_to_show, first_only, cbShowSucceededGroupsOnly.IsChecked == true, cbShowCaptures.IsChecked == true);
lblMatches.Text = count == 0 ? "Matches" : count == 1 ? "1 match" : $"{count:#,##0} matches";
pnlShowAll.Visibility = first_only && count > 1 ? Visibility.Visible : Visibility.Collapsed;
pnlShowFirst.Visibility = !first_only && count > 1 ? Visibility.Visible : Visibility.Collapsed;
});
}
}
}
