/// <summary>
/// Matches a <see cref="LogLevelFilter"/>.
/// </summary>
/// <param name="this">This <see cref="StringMatcher"/>.</param>
/// <param name="level">Resulting level.</param>
/// <returns>True on success, false on error.</returns>
public static bool MatchLogLevelFilter(this StringMatcher @this, out LogLevelFilter level)
{
level = LogLevelFilter.None;
if ([email protected]("None"))
{
if (@this.MatchText("Trace"))
{
level = LogLevelFilter.Trace;
}
else if (@this.MatchText("Info"))
{
level = LogLevelFilter.Info;
}
else if (@this.MatchText("Warn"))
{
level = LogLevelFilter.Warn;
}
else if (@this.MatchText("Error"))
{
level = LogLevelFilter.Error;
}
else if (@this.MatchText("Fatal"))
{
level = LogLevelFilter.Fatal;
}
else if (@this.MatchText("Off"))
{
level = LogLevelFilter.Off;
}
else if (@this.MatchText("Invalid"))
{
level = LogLevelFilter.Invalid;
}
else
{
return(false);
}
}
return(true);
}
/// <summary>
/// Matches a <see cref="LogFilter"/>: it can be a predefined filter as ("Undefined", "Debug", "Verbose", etc.)
/// or as {GroupLogLevelFilter,LineLogLevelFilter} pairs like "{None,None}", "{Error,Trace}".
/// </summary>
/// <param name="m">This <see cref="StringMatcher"/>.</param>
/// <param name="f">Resulting filter.</param>
/// <returns>True on success, false on error.</returns>
public static bool MatchLogFilter(this StringMatcher m, out LogFilter f)
{
f = LogFilter.Undefined;
if (!m.MatchText("Undefined"))
{
if (m.MatchText("Debug"))
{
f = LogFilter.Debug;
}
else if (m.MatchText("Verbose"))
{
f = LogFilter.Verbose;
}
else if (m.MatchText("Monitor"))
{
f = LogFilter.Monitor;
}
else if (m.MatchText("Terse"))
{
f = LogFilter.Terse;
}
else if (m.MatchText("Release"))
{
f = LogFilter.Release;
}
else if (m.MatchText("Off"))
{
f = LogFilter.Off;
}
else if (m.MatchText("Invalid"))
{
f = LogFilter.Invalid;
}
else
{
int savedIndex = m.StartIndex;
if (!m.MatchChar('{'))
{
return(m.BackwardAddError(savedIndex));
}
LogLevelFilter group, line;
m.MatchWhiteSpaces();
if (!m.MatchLogLevelFilter(out group))
{
return(m.BackwardAddError(savedIndex));
}
m.MatchWhiteSpaces();
if (!m.MatchChar(','))
{
return(m.BackwardAddError(savedIndex));
}
m.MatchWhiteSpaces();
if (!m.MatchLogLevelFilter(out line))
{
return(m.BackwardAddError(savedIndex));
}
m.MatchWhiteSpaces();
if (!m.MatchChar('}'))
{
return(m.BackwardAddError(savedIndex));
}
f = new LogFilter(group, line);
}
}
return(true);
}