static PatternLayout()

in src/log4net/Layout/PatternLayout.cs [854:936]
57 lines of code
5 McCabe index (conditional complexity)

		static PatternLayout()
		{
			s_globalRulesRegistry = new Hashtable(45);

			s_globalRulesRegistry.Add("literal", typeof(LiteralPatternConverter));
			s_globalRulesRegistry.Add("newline", typeof(NewLinePatternConverter));
			s_globalRulesRegistry.Add("n", typeof(NewLinePatternConverter));

// .NET Compact Framework 1.0 has no support for ASP.NET
// SSCLI 1.0 has no support for ASP.NET
#if !NETCF && !SSCLI && !CLIENT_PROFILE && !NETSTANDARD
			s_globalRulesRegistry.Add("aspnet-cache", typeof(AspNetCachePatternConverter));
			s_globalRulesRegistry.Add("aspnet-context", typeof(AspNetContextPatternConverter));
			s_globalRulesRegistry.Add("aspnet-request", typeof(AspNetRequestPatternConverter));
			s_globalRulesRegistry.Add("aspnet-session", typeof(AspNetSessionPatternConverter));
#endif

			s_globalRulesRegistry.Add("c", typeof(LoggerPatternConverter));
			s_globalRulesRegistry.Add("logger", typeof(LoggerPatternConverter));

			s_globalRulesRegistry.Add("C", typeof(TypeNamePatternConverter));
			s_globalRulesRegistry.Add("class", typeof(TypeNamePatternConverter));
			s_globalRulesRegistry.Add("type", typeof(TypeNamePatternConverter));

			s_globalRulesRegistry.Add("d", typeof(DatePatternConverter));
			s_globalRulesRegistry.Add("date", typeof(DatePatternConverter));

			s_globalRulesRegistry.Add("exception", typeof(ExceptionPatternConverter));

			s_globalRulesRegistry.Add("F", typeof(FileLocationPatternConverter));
			s_globalRulesRegistry.Add("file", typeof(FileLocationPatternConverter));

			s_globalRulesRegistry.Add("l", typeof(FullLocationPatternConverter));
			s_globalRulesRegistry.Add("location", typeof(FullLocationPatternConverter));

			s_globalRulesRegistry.Add("L", typeof(LineLocationPatternConverter));
			s_globalRulesRegistry.Add("line", typeof(LineLocationPatternConverter));

			s_globalRulesRegistry.Add("m", typeof(MessagePatternConverter));
			s_globalRulesRegistry.Add("message", typeof(MessagePatternConverter));

			s_globalRulesRegistry.Add("M", typeof(MethodLocationPatternConverter));
			s_globalRulesRegistry.Add("method", typeof(MethodLocationPatternConverter));

			s_globalRulesRegistry.Add("p", typeof(LevelPatternConverter));
			s_globalRulesRegistry.Add("level", typeof(LevelPatternConverter));

			s_globalRulesRegistry.Add("P", typeof(PropertyPatternConverter));
			s_globalRulesRegistry.Add("property", typeof(PropertyPatternConverter));
			s_globalRulesRegistry.Add("properties", typeof(PropertyPatternConverter));

			s_globalRulesRegistry.Add("r", typeof(RelativeTimePatternConverter));
			s_globalRulesRegistry.Add("timestamp", typeof(RelativeTimePatternConverter));
			
#if !NETCF && !NETSTANDARD1_3
			s_globalRulesRegistry.Add("stacktrace", typeof(StackTracePatternConverter));
            s_globalRulesRegistry.Add("stacktracedetail", typeof(StackTraceDetailPatternConverter));
#endif

			s_globalRulesRegistry.Add("t", typeof(ThreadPatternConverter));
			s_globalRulesRegistry.Add("thread", typeof(ThreadPatternConverter));

			// For backwards compatibility the NDC patterns
			s_globalRulesRegistry.Add("x", typeof(NdcPatternConverter));
			s_globalRulesRegistry.Add("ndc", typeof(NdcPatternConverter));

			// For backwards compatibility the MDC patterns just do a property lookup
			s_globalRulesRegistry.Add("X", typeof(PropertyPatternConverter));
			s_globalRulesRegistry.Add("mdc", typeof(PropertyPatternConverter));

			s_globalRulesRegistry.Add("a", typeof(AppDomainPatternConverter));
			s_globalRulesRegistry.Add("appdomain", typeof(AppDomainPatternConverter));

			s_globalRulesRegistry.Add("u", typeof(IdentityPatternConverter));
			s_globalRulesRegistry.Add("identity", typeof(IdentityPatternConverter));

			s_globalRulesRegistry.Add("utcdate", typeof(UtcDatePatternConverter));
			s_globalRulesRegistry.Add("utcDate", typeof(UtcDatePatternConverter));
			s_globalRulesRegistry.Add("UtcDate", typeof(UtcDatePatternConverter));

			s_globalRulesRegistry.Add("w", typeof(UserNamePatternConverter));
			s_globalRulesRegistry.Add("username", typeof(UserNamePatternConverter));
		}