private LogEventInfo TryCaptureMessageTemplate(LogLevel nLogLogLevel, string message, IList <KeyValuePair <string, object> > messageProperties, NLogMessageParameterList messageParameters)
{
if (messageParameters?.HasComplexParameters == false)
{
// Parsing not needed, we take the fast route
var originalMessage = messageParameters.GetOriginalMessage(messageProperties);
var eventInfo = new LogEventInfo(nLogLogLevel, _logger.Name, originalMessage ?? message, messageParameters.IsPositional ? _emptyParameterArray : messageParameters);
if (originalMessage != null)
{
SetLogEventMessageFormatter(eventInfo, messageParameters, message);
}
return(eventInfo);
}
return(null);
}
/// <summary>
/// Checks if the already parsed input message-parameters must be sent through
/// the NLog MessageTemplate Parser for proper handling of message-template syntax.
/// </summary>
/// <remarks>
/// Using the NLog MesageTemplate Parser will hurt performance: 1 x Microsoft Parser - 2 x NLog Parser - 1 x NLog Formatter
/// </remarks>
private LogEventInfo TryParseMessageTemplate(LogLevel nLogLogLevel, IList <KeyValuePair <string, object> > messageProperties, out NLogMessageParameterList messageParameters)
{
messageParameters = TryParseMessageParameterList(messageProperties);
if (messageParameters?.HasMessageTemplateSyntax(_options.ParseMessageTemplates) == true)
{
var originalMessage = messageParameters.GetOriginalMessage(messageProperties);
var eventInfo = new LogEventInfo(nLogLogLevel, _logger.Name, null, originalMessage, _singleItemArray);
var messagetTemplateParameters = eventInfo.MessageTemplateParameters; // Forces parsing of OriginalMessage
if (messagetTemplateParameters.Count > 0)
{
// We have parsed the message and found parameters, now we need to do the parameter mapping
eventInfo.Parameters = CreateLogEventInfoParameters(messageParameters, messagetTemplateParameters, out var extraProperties);
AddExtraPropertiesToLogEvent(eventInfo, extraProperties);
return(eventInfo);
}
return(null); // Parsing not possible
}
return(null); // Parsing not needed
}