public void AddSource(Source source, Level level, TextWriter destination)
{
if (source.Owner != this)
{
throw new LoggingException($"Attempting to add unregistered source {source}.");
}
if (source.Index >= _logLevels.Count)
{
throw new LoggingException($"Source {source} not recognized.");
}
if (level <= Level.NEVER)
{
return;
}
if (source.Index < 0)
{
// wildcard "all" source
foreach (SourceRoutes routes in _logLevels)
{
routes.AddOutput(destination, level);
}
}
else
{
SourceRoutes routes = _logLevels[source.Index];
routes.AddOutput(destination, level);
}
}
public LogWriter?Log(
Source source, Level level,
[System.Runtime.CompilerServices.CallerMemberName] string context = "")
{
if (source.Owner != this || source.Index >= _logLevels.Count)
{
throw new LoggingException($"Source {source} not recognized.");
}
if (source.Index < 0)
{
throw new LoggingException($"Wildcard source {source} cannot be used to write to log.");
}
SourceRoutes routes = _logLevels[source.Index];
if (routes.MaxVerbosity >= level)
{
return(new LogWriter(source, level, context, routes));
}
else
{
return(null);
}
}
internal LogWriter(Source source, Level level, string context, SourceRoutes routes)
{
_prelude = $"{DateTime.Now,24} {source.Name,15} {level.ToString(),10} {context,30} ";
_level = level;
_routes = routes;
}
internal LogWriter(Source source, Level level, string context, SourceRoutes routes)
{
_prelude = $"{DateTime.Now,24} {source.Name,15} {level.ToString(),10} {context,30} ";
_level = level;
_routes = routes;
}