Fusion.Core.Shell.Invoker.AutoCompleteVariable C# (CSharp) Method

		Suggestion AutoCompleteVariable ( string input, string[] args, ConfigVariable variable )
		{
			var suggestion = new Suggestion(input);

			var type = variable.Property.PropertyType;
			var candidates = new string[0];

			//
			//	Gather possible values :
			//
			if (type==typeof(bool)) {
				candidates = new string[]{"True", "False"};
			} else if (type.IsEnum) {
				candidates = Enum.GetNames(type);
			} else {
				candidates = new string[]{variable.Get()};
			}

			//
			//	Only name of the variables is entered.
			//	Just show possible values.
			//	
			if (args.Length==1) {	
				suggestion.Set( args[0] + " ");
				suggestion.AddRange( candidates.Select( c1 => args[0] + " " + c1 ) );
				return suggestion;
			}

			//
			//	Select candidates that starts with entered value.
			//
			candidates = candidates
				.Where( c => c.StartsWith( args[1], StringComparison.OrdinalIgnoreCase) )
				.ToArray();

			var longest = LongestCommon( candidates );


			suggestion.AddRange( candidates.Select( c1 => args[0] + " " + c1 ) );

			//	add quotes if longest common contains spaces :
			if (longest!=null && longest.Any( c => char.IsWhiteSpace(c) )) {
				longest = "\"" + longest;// + "\"";
				if (candidates.Length==1) {
					//	only on suggestion - close quotes.
					longest += "\"";
				}
			} else {
			}

			suggestion.Set( string.Format("{0} {1}", args[0], longest) );

			return suggestion;
		}