diff options
Diffstat (limited to 'Xamarin.Forms.Build.Tasks/CompiledConverters/LayoutOptionsConverter.cs')
-rw-r--r-- | Xamarin.Forms.Build.Tasks/CompiledConverters/LayoutOptionsConverter.cs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Xamarin.Forms.Build.Tasks/CompiledConverters/LayoutOptionsConverter.cs b/Xamarin.Forms.Build.Tasks/CompiledConverters/LayoutOptionsConverter.cs new file mode 100644 index 00000000..e252ed9d --- /dev/null +++ b/Xamarin.Forms.Build.Tasks/CompiledConverters/LayoutOptionsConverter.cs @@ -0,0 +1,37 @@ +using System; +using System.Collections.Generic; +using System.Linq; + +using Mono.Cecil; +using Mono.Cecil.Cil; + +using Xamarin.Forms.Xaml; + +namespace Xamarin.Forms.Core.XamlC +{ + class LayoutOptionsConverter : ICompiledTypeConverter + { + public IEnumerable<Instruction> ConvertFromString(string value, ModuleDefinition module, BaseNode node) + { + do { + if (string.IsNullOrEmpty(value)) + break; + + value = value.Trim(); + + var parts = value.Split('.'); + if (parts.Length == 1 || (parts.Length == 2 && parts [0] == "LayoutOptions")) { + var options = parts [parts.Length - 1]; + + var field = module.Import(typeof(LayoutOptions)).Resolve().Fields.SingleOrDefault(fd => fd.Name == options && fd.IsStatic); + if (field != null) { + yield return Instruction.Create(OpCodes.Ldsfld, module.Import(field)); + yield break; + } + } + } while (false); + + throw new XamlParseException(String.Format("Cannot convert \"{0}\" into {1}", value, typeof(LayoutOptions)), node); + } + } +}
\ No newline at end of file |