public static Type GetTypeFromString()

in src/log4net/Util/SystemInfo.cs [721:799]
62 lines of code
10 McCabe index (conditional complexity)

		public static Type GetTypeFromString(Assembly relativeAssembly, string typeName, bool throwOnError, bool ignoreCase)
		{
			// Check if the type name specifies the assembly name
			if (typeName.IndexOf(',') == -1)
			{
				//LogLog.Debug(declaringType, "SystemInfo: Loading type ["+typeName+"] from assembly ["+relativeAssembly.FullName+"]");
#if NETSTANDARD1_3
				return relativeAssembly.GetType(typeName, throwOnError, ignoreCase);
#elif NETCF
				return relativeAssembly.GetType(typeName, throwOnError);
#else
				// Attempt to lookup the type from the relativeAssembly
				Type type = relativeAssembly.GetType(typeName, false, ignoreCase);
				if (type != null)
				{
					// Found type in relative assembly
					//LogLog.Debug(declaringType, "SystemInfo: Loaded type ["+typeName+"] from assembly ["+relativeAssembly.FullName+"]");
					return type;
				}

				Assembly[] loadedAssemblies = null;
				try
				{
					loadedAssemblies = AppDomain.CurrentDomain.GetAssemblies();
				}
				catch (System.Security.SecurityException)
				{
					// Insufficient permissions to get the list of loaded assemblies
				}

				if (loadedAssemblies != null)
				{
					Type fallback = null;
					// Search the loaded assemblies for the type
					foreach (Assembly assembly in loadedAssemblies)
					{
						Type t = assembly.GetType(typeName, false, ignoreCase);
						if (t != null)
						{
							// Found type in loaded assembly
							LogLog.Debug(declaringType, "Loaded type [" + typeName + "] from assembly [" + assembly.FullName + "] by searching loaded assemblies.");
							if (assembly.GlobalAssemblyCache)
							{
								fallback = t;
							}
							else
							{
								return t;
							}
						}
					}
					if (fallback != null)
					{
						return fallback;
					}
				}

				// Didn't find the type
				if (throwOnError)
				{
					throw new TypeLoadException("Could not load type [" + typeName + "]. Tried assembly [" + relativeAssembly.FullName + "] and all loaded assemblies");
				}
				return null;
#endif
			}
			else
			{
				// Includes explicit assembly name
				//LogLog.Debug(declaringType, "SystemInfo: Loading type ["+typeName+"] from global Type");

#if NETCF
				// In NETCF 2 and 3 arg versions seem to behave differently
				// https://issues.apache.org/jira/browse/LOG4NET-113
				return Type.GetType(typeName, throwOnError);
#else
				return Type.GetType(typeName, throwOnError, ignoreCase);
#endif
			}
		}