// <summary>
// Checks if the this array has all elements in the same order as in value array in the start of the this array.
// </summary>
public static bool ContainsInStart(this Match[] container, Match[] value)
{
if (container == null || value == null)
{
return(false);
}
if (container.Length == 0 || value.Length == 0)
{
return(false);
}
if (container.Length < value.Length)
{
return(false);
}
for (int i = 0; i < value.Length; i++)
{
if (!MatchesComparer.Equals(container[i], value[i]))
{
return(false);
}
}
return(true);
}
private async void OnTextChanged(object sender, TextChangedEventArgs e)
{
if (TextChanged || PatternChanged)
{
_previousText = Text;
_previousPattern = RegExpValue;
try
{
_currentRegex = new Regex(RegExpValue);
}
catch (ArgumentException)
{
await _regexProcessor.AddCurvyUnderlineAsync();
_occurrencesHighlighter.ResetTextProperties();
return;
}
_regexProcessor.ResetRegexProperties();
_current = _currentRegex.Matches(Text).Cast <Match>().ToArray();
bool previousIsCurrent = MatchesComparer.Equals(_current, _previous);
const int symbolsToRemove = 2;
if (_current.LastOrDefault()?.Value.Length > 1 && _latestOffset != -1 && LatestSymbolIndex <= _latestOffset)
{
await ResetValuesAsync();
}
else if (_current.LastOrDefault()?.Value.Length == 1 && _latestOffset != -1 && LatestSymbolIndex < _latestOffset)
{
await ResetValuesAsync();
}
else if (_current.LastOrDefault()?.Index + _current.LastOrDefault()?.Length != Text.Length - symbolsToRemove &&
previousIsCurrent)
{
ResetLatestInputProperties();
}
else if (_current.ContainsInStart(_previous) && _current.Length > _previous.Length)
{
ResetLatestInputProperties();
UpdateValues();
}
else if (!previousIsCurrent)
{
await ResetValuesAsync();
}
_previous = _current;
}
}