[XamlC] Compiled converters (#358)

1 files changed, 17 insertions, 7 deletions

diff --git a/Xamarin.Forms.Core/LayoutOptionsConverter.cs b/Xamarin.Forms.Core/LayoutOptionsConverter.cs
index 746e56ce..6dae0f02 100644
--- a/Xamarin.Forms.Core/LayoutOptionsConverter.cs
+++ b/Xamarin.Forms.Core/LayoutOptionsConverter.cs
@@ -4,22 +4,32 @@ using System.Reflection;
 
 namespace Xamarin.Forms
 {
+	[Xaml.ProvideCompiled("Xamarin.Forms.Core.XamlC.LayoutOptionsConverter")]
 	public sealed class LayoutOptionsConverter : TypeConverter
 	{
 		public override object ConvertFromInvariantString(string value)
 		{
-			if (value != null)
-			{
-				string[] parts = value.Split('.');
-				if (parts.Length > 2 || (parts.Length == 2 && parts[0] != "LayoutOptions"))
-					throw new InvalidOperationException(string.Format("Cannot convert \"{0}\" into {1}", value, typeof(LayoutOptions)));
-				value = parts[parts.Length - 1];
+			if (value != null) {
+				var parts = value.Split('.');
+				if (parts.Length > 2 || (parts.Length == 2 && parts [0] != "LayoutOptions"))
+					throw new InvalidOperationException($"Cannot convert \"{value}\" into {typeof(LayoutOptions)}");
+				value = parts [parts.Length - 1];
+				switch (value) {
+				case "Start": return LayoutOptions.Start;
+				case "Center": return LayoutOptions.Center;
+				case "End": return LayoutOptions.End;
+				case "Fill": return LayoutOptions.Fill;
+				case "StartAndExpand": return LayoutOptions.StartAndExpand;
+				case "CenterAndExpand": return LayoutOptions.CenterAndExpand;
+				case "EndAndExpand": return LayoutOptions.EndAndExpand;
+				case "FillAndExpand": return LayoutOptions.FillAndExpand;
+				}
 				FieldInfo field = typeof(LayoutOptions).GetFields().FirstOrDefault(fi => fi.IsStatic && fi.Name == value);
 				if (field != null)
 					return (LayoutOptions)field.GetValue(null);
 			}
 
-			throw new InvalidOperationException(string.Format("Cannot convert \"{0}\" into {1}", value, typeof(LayoutOptions)));
+			throw new InvalidOperationException($"Cannot convert \"{value}\" into {typeof(LayoutOptions)}");
 		}
 	}
 }
\ No newline at end of file