public bool TryParse(string line, RegexPattern regex, out AnalogyLogMessage message)
{
try
{
Match match = Regex.Match(line, regex.Pattern,
RegexOptions.Compiled | RegexOptions.IgnorePatternWhitespace);
if (match.Success)
{
var m = new AnalogyLogMessage();
foreach (var regexMember in regexMapper)
{
string value = match.Groups[regexMember.Key].Success
? match.Groups[regexMember.Key].Value
: string.Empty;
switch (regexMember.Value)
{
case AnalogyLogMessagePropertyName.Date:
if (!string.IsNullOrEmpty(value) &&
DateTime.TryParseExact(value, regex.DateTimeFormat, CultureInfo.InvariantCulture,
DateTimeStyles.None, out var date))
{
m.Date = date;
}
continue;
case AnalogyLogMessagePropertyName.Id:
if (!string.IsNullOrEmpty(value) &&
Guid.TryParseExact(value, regex.GuidFormat, out var guidValue))
{
m.Id = guidValue;
}
continue;
case AnalogyLogMessagePropertyName.Text:
m.Text = value;
continue;
case AnalogyLogMessagePropertyName.Category:
m.Category = value;
continue;
case AnalogyLogMessagePropertyName.Source:
m.Source = value;
continue;
case AnalogyLogMessagePropertyName.Module:
m.Module = value;
continue;
case AnalogyLogMessagePropertyName.MethodName:
m.MethodName = value;
continue;
case AnalogyLogMessagePropertyName.FileName:
m.FileName = value;
continue;
case AnalogyLogMessagePropertyName.User:
m.User = value;
continue;
case AnalogyLogMessagePropertyName.LineNumber:
if (!string.IsNullOrEmpty(value) &&
int.TryParse(value, out var lineNum))
{
m.LineNumber = lineNum;
}
continue;
case AnalogyLogMessagePropertyName.ProcessId:
if (!string.IsNullOrEmpty(value) &&
int.TryParse(value, out var processNum))
{
m.ProcessId = processNum;
}
continue;
case AnalogyLogMessagePropertyName.ThreadId:
if (!string.IsNullOrEmpty(value) &&
int.TryParse(value, out var threadNum))
{
m.ThreadId = threadNum;
}
continue;
case AnalogyLogMessagePropertyName.Level:
switch (value)
{
case "OFF":
m.Level = AnalogyLogLevel.None;
break;
case "TRACE":
m.Level = AnalogyLogLevel.Trace;
break;
case "DEBUG":
m.Level = AnalogyLogLevel.Debug;
break;
case "INFO":
m.Level = AnalogyLogLevel.Information;
break;
case "WARN":
m.Level = AnalogyLogLevel.Warning;
break;
case "ERROR":
m.Level = AnalogyLogLevel.Error;
break;
case "FATAL":
m.Level = AnalogyLogLevel.Critical;
break;
default:
m.Level = AnalogyLogLevel.Unknown;
break;
}
continue;
case AnalogyLogMessagePropertyName.Class:
if (string.IsNullOrEmpty(value))
{
m.Class = AnalogyLogClass.General;
}
else
{
m.Class = Enum.TryParse(value, true, out AnalogyLogClass cls) &&
Enum.IsDefined(typeof(AnalogyLogClass), cls)
? cls
: AnalogyLogClass.General;
}
continue;
case AnalogyLogMessagePropertyName.MachineName:
m.MachineName = value;
break;
case AnalogyLogMessagePropertyName.RawText:
m.RawText = value;
break;
case AnalogyLogMessagePropertyName.RawTextType:
m.RawTextType = AnalogyRowTextType.PlainText;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
message = m;
return(true);
}
message = null;
return(false);
}
catch (Exception e)
{
string error = $"Error parsing line: {e.Message}";
Logger?.LogException(error, e, nameof(RegexParser));
message = new AnalogyLogMessage(error, AnalogyLogLevel.Error, AnalogyLogClass.General,
nameof(RegexParser));
return(false);
}
}
