public static bool CustomValueConverter(AstTransformationContext context, IXamlAstValueNode node, IXamlType type, out IXamlAstValueNode result) { if (!(node is XamlAstTextNode textNode)) { result = null; return(false); } var text = textNode.Text; var types = context.GetAvaloniaTypes(); if (AvaloniaXamlIlLanguageParseIntrinsics.TryConvert(context, node, text, type, types, out result)) { return(true); } if (type.FullName == "Avalonia.AvaloniaProperty") { var scope = context.ParentNodes().OfType <AvaloniaXamlIlTargetTypeMetadataNode>().FirstOrDefault(); if (scope == null) { throw new XamlX.XamlLoadException("Unable to find the parent scope for AvaloniaProperty lookup", node); } result = XamlIlAvaloniaPropertyHelper.CreateNode(context, text, scope.TargetType, node); return(true); } result = null; return(false); }
public static bool CustomValueConverter(XamlIlAstTransformationContext context, IXamlIlAstValueNode node, IXamlIlType type, out IXamlIlAstValueNode result) { if (type.FullName == "System.TimeSpan" && node is XamlIlAstTextNode tn && !tn.Text.Contains(":")) { var seconds = double.Parse(tn.Text, CultureInfo.InvariantCulture); result = new XamlIlStaticOrTargetedReturnMethodCallNode(tn, type.FindMethod("FromSeconds", type, false, context.Configuration.WellKnownTypes.Double), new[] { new XamlIlConstantNode(tn, context.Configuration.WellKnownTypes.Double, seconds) }); return(true); } if (type.FullName == "Avalonia.AvaloniaProperty") { var scope = context.ParentNodes().OfType <AvaloniaXamlIlTargetTypeMetadataNode>().FirstOrDefault(); if (scope == null) { throw new XamlIlLoadException("Unable to find the parent scope for AvaloniaProperty lookup", node); } if (!(node is XamlIlAstTextNode text)) { throw new XamlIlLoadException("Property should be a text node", node); } result = XamlIlAvaloniaPropertyHelper.CreateNode(context, text.Text, scope.TargetType, text); return(true); } result = null; return(false); }
public static bool CustomValueConverter(AstTransformationContext context, IXamlAstValueNode node, IXamlType type, out IXamlAstValueNode result) { if (!(node is XamlAstTextNode textNode)) { result = null; return(false); } var text = textNode.Text; var types = context.GetAvaloniaTypes(); if (type.FullName == "System.TimeSpan") { var tsText = text.Trim(); if (!TimeSpan.TryParse(tsText, CultureInfo.InvariantCulture, out var timeSpan)) { // // shorthand seconds format (ie. "0.25") if (!tsText.Contains(":") && double.TryParse(tsText, NumberStyles.Float | NumberStyles.AllowThousands, CultureInfo.InvariantCulture, out var seconds)) { timeSpan = TimeSpan.FromSeconds(seconds); } else { throw new XamlX.XamlLoadException($"Unable to parse {text} as a time span", node); } } result = new XamlStaticOrTargetedReturnMethodCallNode(node, type.FindMethod("FromTicks", type, false, types.Long), new[] { new XamlConstantNode(node, types.Long, timeSpan.Ticks) }); return(true); } if (type.Equals(types.FontFamily)) { result = new AvaloniaXamlIlFontFamilyAstNode(types, text, node); return(true); } if (type.FullName == "Avalonia.AvaloniaProperty") { var scope = context.ParentNodes().OfType <AvaloniaXamlIlTargetTypeMetadataNode>().FirstOrDefault(); if (scope == null) { throw new XamlX.XamlLoadException("Unable to find the parent scope for AvaloniaProperty lookup", node); } result = XamlIlAvaloniaPropertyHelper.CreateNode(context, text, scope.TargetType, node); return(true); } result = null; return(false); }
public static bool CustomValueConverter(AstTransformationContext context, IXamlAstValueNode node, IXamlType type, out IXamlAstValueNode result) { if (!(node is XamlAstTextNode textNode)) { result = null; return(false); } var text = textNode.Text; var types = context.GetAvaloniaTypes(); if (type.FullName == "System.TimeSpan") { var tsText = text.Trim(); if (!TimeSpan.TryParse(tsText, CultureInfo.InvariantCulture, out var timeSpan)) { // // shorthand seconds format (ie. "0.25") if (!tsText.Contains(":") && double.TryParse(tsText, NumberStyles.Float | NumberStyles.AllowThousands, CultureInfo.InvariantCulture, out var seconds)) { timeSpan = TimeSpan.FromSeconds(seconds); } else { throw new XamlX.XamlLoadException($"Unable to parse {text} as a time span", node); } } result = new XamlStaticOrTargetedReturnMethodCallNode(node, type.FindMethod("FromTicks", type, false, types.Long), new[] { new XamlConstantNode(node, types.Long, timeSpan.Ticks) }); return(true); } if (type.Equals(types.FontFamily)) { result = new AvaloniaXamlIlFontFamilyAstNode(types, text, node); return(true); } if (type.Equals(types.Thickness)) { var thickness = Thickness.Parse(text); result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Thickness, types.ThicknessFullConstructor, new[] { thickness.Left, thickness.Top, thickness.Right, thickness.Bottom }); return(true); } if (type.Equals(types.Point)) { var point = Point.Parse(text); result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Point, types.PointFullConstructor, new[] { point.X, point.Y }); return(true); } if (type.Equals(types.Vector)) { var vector = Vector.Parse(text); result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Vector, types.VectorFullConstructor, new[] { vector.X, vector.Y }); return(true); } if (type.Equals(types.Size)) { var size = Size.Parse(text); result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Size, types.SizeFullConstructor, new[] { size.Width, size.Height }); return(true); } if (type.Equals(types.Matrix)) { var matrix = Matrix.Parse(text); result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Matrix, types.MatrixFullConstructor, new[] { matrix.M11, matrix.M12, matrix.M21, matrix.M22, matrix.M31, matrix.M32 }); return(true); } if (type.Equals(types.CornerRadius)) { var cornerRadius = CornerRadius.Parse(text); result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.CornerRadius, types.CornerRadiusFullConstructor, new[] { cornerRadius.TopLeft, cornerRadius.TopRight, cornerRadius.BottomRight, cornerRadius.BottomLeft }); return(true); } if (type.FullName == "Avalonia.AvaloniaProperty") { var scope = context.ParentNodes().OfType <AvaloniaXamlIlTargetTypeMetadataNode>().FirstOrDefault(); if (scope == null) { throw new XamlX.XamlLoadException("Unable to find the parent scope for AvaloniaProperty lookup", node); } result = XamlIlAvaloniaPropertyHelper.CreateNode(context, text, scope.TargetType, node); return(true); } result = null; return(false); }