public SyntaxToken Lex()
{
_leadingTrivia.Clear();
_diagnostics.Clear();
_start = _charReader.Position;
ReadTrivia(_leadingTrivia, isTrailing: false);
var leadingTrivia = _leadingTrivia.ToImmutableArray();
_kind = SyntaxKind.BadToken;
_contextualKind = SyntaxKind.BadToken;
_value = null;
_diagnostics.Clear();
_start = _charReader.Position;
ReadToken();
var end = _charReader.Position;
var kind = _kind;
var span = TextSpan.FromBounds(_start, end);
var text = _text.GetText(span);
var diagnostics = _diagnostics.ToImmutableArray();
_trailingTrivia.Clear();
_diagnostics.Clear();
_start = _charReader.Position;
ReadTrivia(_trailingTrivia, isTrailing: true);
var trailingTrivia = _trailingTrivia.ToImmutableArray();
return(new SyntaxToken(_syntaxTree, kind, _contextualKind, false, span, text, _value, leadingTrivia, trailingTrivia, diagnostics));
}
public override string GetText(TextSpan textSpan)
{
return(_sourceText.GetText(textSpan));
}
public override bool IsMatch(EventInfo eventInfo)
{
bool isMatch = false;
string sourceText = null;
if (UseMessageValue)
{
sourceText = _messageValueRetriever.GetValue(eventInfo, MessageValue, MessageValueType, Identifier);
}
else
{
if (MessageValueType != MessageValueType.Text && Identifier != null)
{
switch (MessageValueType)
{
case MessageValueType.Json:
sourceText = SourceText.GetText(eventInfo.Variables).GetJsonValue(Identifier.GetText(eventInfo.Variables)) ?? string.Empty;
break;
case MessageValueType.Xml:
sourceText = SourceText.GetText(eventInfo.Variables).GetXmlValue(Identifier.GetText(eventInfo.Variables)) ?? string.Empty;
break;
}
}
else
{
sourceText = SourceText.GetText(eventInfo.Variables);
}
}
string matchText = MatchText.GetText(eventInfo.Variables);
switch (MatchType)
{
case MatchType.BeginsWith:
isMatch = sourceText.StartsWith(matchText);
break;
case MatchType.EndsWith:
isMatch = sourceText.EndsWith(matchText);
break;
case MatchType.Contains:
isMatch = sourceText.Contains(matchText);
break;
case MatchType.Equals:
isMatch = sourceText == matchText;
break;
case MatchType.Regex:
try
{
isMatch = Regex.IsMatch(sourceText, matchText);
}
catch (Exception)
{
}
break;
}
return(isMatch);
}
