public XamlIlAvaloniaPropertyFieldNode(AvaloniaXamlIlWellKnownTypes types,
IXamlLineInfo lineInfo, IXamlField field) : base(lineInfo)
{
_field = field;
AvaloniaPropertyType = XamlIlAvaloniaPropertyHelper.GetAvaloniaPropertyType(field,
types, lineInfo);
}
public XamlIlAvaloniaProperty(XamlAstClrProperty original, IXamlField field,
AvaloniaXamlIlWellKnownTypes types)
: base(original, original.Name, original.DeclaringType, original.Getter, original.Setters)
{
var assignBinding = original.CustomAttributes.Any(ca => ca.Type.Equals(types.AssignBindingAttribute));
AvaloniaProperty = field;
CustomAttributes = original.CustomAttributes;
if (!assignBinding)
{
Setters.Insert(0, new BindingSetter(types, original.DeclaringType, field));
}
// Styled and attached properties can be set with a BindingPriority when they're
// assigned in a ControlTemplate.
if (field.FieldType.GenericTypeDefinition == types.StyledPropertyT ||
field.FieldType.GenericTypeDefinition == types.AvaloniaAttachedPropertyT)
{
var propertyType = field.FieldType.GenericArguments[0];
Setters.Insert(0, new SetValueWithPrioritySetter(types, original.DeclaringType, field, propertyType));
if (!assignBinding)
{
Setters.Insert(1, new BindingWithPrioritySetter(types, original.DeclaringType, field));
}
}
Setters.Insert(0, new UnsetValueSetter(types, original.DeclaringType, field));
}
public AvaloniaXamlIlGridLengthAstNode(IXamlLineInfo lineInfo, AvaloniaXamlIlWellKnownTypes types, GridLength gridLength) : base(lineInfo)
{
_types = types;
_gridLength = gridLength;
Type = new XamlAstClrTypeReference(lineInfo, types.GridLength, false);
}
public AvaloniaPropertyCustomSetter(AvaloniaXamlIlWellKnownTypes types,
IXamlIlType declaringType,
IXamlIlField avaloniaProperty)
{
Types = types;
AvaloniaProperty = avaloniaProperty;
TargetType = declaringType;
}
public AvaloniaXamlIlFontFamilyAstNode(AvaloniaXamlIlWellKnownTypes types,
string text,
IXamlLineInfo lineInfo) : base(lineInfo)
{
_types = types;
_text = text;
Type = new XamlAstClrTypeReference(lineInfo, types.FontFamily, false);
}
public AvaloniaXamlIlAvaloniaListConstantAstNode(IXamlLineInfo lineInfo, AvaloniaXamlIlWellKnownTypes types, IXamlType listType, IXamlType elementType, IReadOnlyList <IXamlAstValueNode> values) : base(lineInfo)
{
_constructor = listType.GetConstructor();
_listAddMethod = listType.GetMethod(new FindMethodMethodSignature("Add", types.XamlIlTypes.Void, elementType));
_listSetCapacityMethod = listType.GetMethod(new FindMethodMethodSignature("set_Capacity", types.XamlIlTypes.Void, types.Int));
_elementType = elementType;
_values = values;
Type = new XamlAstClrTypeReference(lineInfo, listType, false);
}
public XamlIlAvaloniaProperty(XamlIlAstClrProperty original, IXamlIlField field,
AvaloniaXamlIlWellKnownTypes types)
: base(original, original.Name, original.DeclaringType, original.Getter, original.Setters)
{
AvaloniaProperty = field;
CustomAttributes = original.CustomAttributes;
if (!original.CustomAttributes.Any(ca => ca.Type.Equals(types.AssignBindingAttribute)))
{
Setters.Insert(0, new BindingSetter(types, original.DeclaringType, field));
}
Setters.Insert(0, new UnsetValueSetter(types, original.DeclaringType, field));
}
protected AvaloniaPropertyCustomSetter(
AvaloniaXamlIlWellKnownTypes types,
IXamlType declaringType,
IXamlField avaloniaProperty,
bool allowNull)
{
Types = types;
AvaloniaProperty = avaloniaProperty;
TargetType = declaringType;
BinderParameters = new PropertySetterBinderParameters
{
AllowXNull = allowNull,
AllowRuntimeNull = allowNull
};
}
public static IXamlType GetAvaloniaPropertyType(IXamlField field,
AvaloniaXamlIlWellKnownTypes types, IXamlLineInfo lineInfo)
{
var avaloniaPropertyType = field.FieldType;
while (avaloniaPropertyType != null)
{
if (avaloniaPropertyType.GenericTypeDefinition?.Equals(types.AvaloniaPropertyT) == true)
{
return(avaloniaPropertyType.GenericArguments[0]);
}
avaloniaPropertyType = avaloniaPropertyType.BaseType;
}
throw new XamlX.XamlParseException(
$"{field.Name}'s type {field.FieldType} doesn't inherit from AvaloniaProperty<T>, make sure to use typed properties",
lineInfo);
}
private static bool ConvertDefinitionList(
IXamlAstValueNode node,
string text,
AvaloniaXamlIlWellKnownTypes types,
IXamlType listType,
IXamlType elementType,
string errorDisplayName,
out IXamlAstValueNode result)
{
try
{
var lengths = GridLength.ParseLengths(text);
var definitionTypeRef = new XamlAstClrTypeReference(node, elementType, false);
var definitionConstructorGridLength = elementType.GetConstructor(new List <IXamlType> {
types.GridLength
});
IXamlAstValueNode CreateDefinitionNode(GridLength length)
{
var lengthNode = new AvaloniaXamlIlGridLengthAstNode(node, types, length);
return(new XamlAstNewClrObjectNode(node, definitionTypeRef,
definitionConstructorGridLength, new List <IXamlAstValueNode> {
lengthNode
}));
}
var definitionNodes =
new List <IXamlAstValueNode>(lengths.Select(CreateDefinitionNode));
result = new AvaloniaXamlIlAvaloniaListConstantAstNode(node, types, listType, elementType, definitionNodes);
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a {errorDisplayName}", node);
}
}
public XamlIlAvaloniaPropertyFieldNode(AvaloniaXamlIlWellKnownTypes types,
IXamlIlLineInfo lineInfo, IXamlIlField field) : base(lineInfo)
{
_field = field;
var avaloniaPropertyType = field.FieldType;
while (avaloniaPropertyType != null)
{
if (avaloniaPropertyType.GenericTypeDefinition?.Equals(types.AvaloniaPropertyT) == true)
{
AvaloniaPropertyType = avaloniaPropertyType.GenericArguments[0];
return;
}
avaloniaPropertyType = avaloniaPropertyType.BaseType;
}
throw new XamlIlParseException(
$"{field.Name}'s type {field.FieldType} doesn't inherit from AvaloniaProperty<T>, make sure to use typed properties",
lineInfo);
}
public AvaloniaXamlIlVectorLikeConstantAstNode(IXamlLineInfo lineInfo, AvaloniaXamlIlWellKnownTypes types, IXamlType type, IXamlConstructor constructor, double[] values) : base(lineInfo)
{
var parameters = constructor.Parameters;
if (parameters.Count != values.Length)
{
throw new XamlTypeSystemException($"Constructor that takes {values.Length} parameters is expected, got {parameters.Count} instead.");
}
var elementType = types.XamlIlTypes.Double;
foreach (var parameter in parameters)
{
if (parameter != elementType)
{
throw new XamlTypeSystemException($"Expected parameter of type {elementType}, got {parameter} instead.");
}
}
_constructor = constructor;
_values = values;
Type = new XamlAstClrTypeReference(lineInfo, type, false);
}
public UnsetValueSetter(AvaloniaXamlIlWellKnownTypes types, IXamlIlType declaringType, IXamlIlField avaloniaProperty)
: base(types, declaringType, avaloniaProperty)
{
Parameters = new[] { types.UnsetValueType };
}
public BindingSetter(AvaloniaXamlIlWellKnownTypes types,
IXamlIlType declaringType,
IXamlIlField avaloniaProperty) : base(types, declaringType, avaloniaProperty)
{
Parameters = new[] { types.IBinding };
}
public BindingWithPrioritySetter(AvaloniaXamlIlWellKnownTypes types,
IXamlType declaringType,
IXamlField avaloniaProperty) : base(types, declaringType, avaloniaProperty, false)
{
Parameters = new[] { types.BindingPriority, types.IBinding };
}
public SetValueWithPrioritySetter(AvaloniaXamlIlWellKnownTypes types, IXamlType declaringType, IXamlField avaloniaProperty,
IXamlType propertyType)
: base(types, declaringType, avaloniaProperty, propertyType.AcceptsNull())
{
Parameters = new[] { types.BindingPriority, propertyType };
}
public static bool TryConvert(AstTransformationContext context, IXamlAstValueNode node, string text, IXamlType type, AvaloniaXamlIlWellKnownTypes types, out IXamlAstValueNode result)
{
if (type.FullName == "System.TimeSpan")
{
var tsText = text.Trim();
if (!TimeSpan.TryParse(tsText, CultureInfo.InvariantCulture, out var timeSpan))
{
// // shorthand seconds format (ie. "0.25")
if (!tsText.Contains(":") && double.TryParse(tsText,
NumberStyles.Float | NumberStyles.AllowThousands,
CultureInfo.InvariantCulture, out var seconds))
{
timeSpan = TimeSpan.FromSeconds(seconds);
}
else
{
throw new XamlX.XamlLoadException($"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))
{
try
{
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);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a thickness", node);
}
}
if (type.Equals(types.Point))
{
try
{
var point = Point.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Point, types.PointFullConstructor,
new[] { point.X, point.Y });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a point", node);
}
}
if (type.Equals(types.Vector))
{
try
{
var vector = Vector.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Vector, types.VectorFullConstructor,
new[] { vector.X, vector.Y });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a vector", node);
}
}
if (type.Equals(types.Size))
{
try
{
var size = Size.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.Size, types.SizeFullConstructor,
new[] { size.Width, size.Height });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a size", node);
}
}
if (type.Equals(types.Matrix))
{
try
{
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);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a matrix", node);
}
}
if (type.Equals(types.CornerRadius))
{
try
{
var cornerRadius = CornerRadius.Parse(text);
result = new AvaloniaXamlIlVectorLikeConstantAstNode(node, types, types.CornerRadius, types.CornerRadiusFullConstructor,
new[] { cornerRadius.TopLeft, cornerRadius.TopRight, cornerRadius.BottomRight, cornerRadius.BottomLeft });
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a corner radius", node);
}
}
if (type.Equals(types.Color))
{
if (!Color.TryParse(text, out Color color))
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a color", node);
}
result = new XamlStaticOrTargetedReturnMethodCallNode(node,
type.GetMethod(
new FindMethodMethodSignature("FromUInt32", type, types.UInt)
{
IsStatic = true
}),
new[] { new XamlConstantNode(node, types.UInt, color.ToUint32()) });
return(true);
}
if (type.Equals(types.GridLength))
{
try
{
var gridLength = GridLength.Parse(text);
result = new AvaloniaXamlIlGridLengthAstNode(node, types, gridLength);
return(true);
}
catch
{
throw new XamlX.XamlLoadException($"Unable to parse \"{text}\" as a grid length", node);
}
}
if (type.Equals(types.Cursor))
{
if (TypeSystemHelpers.TryGetEnumValueNode(types.StandardCursorType, text, node, out var enumConstantNode))
{
var cursorTypeRef = new XamlAstClrTypeReference(node, types.Cursor, false);
result = new XamlAstNewClrObjectNode(node, cursorTypeRef, types.CursorTypeConstructor, new List <IXamlAstValueNode> {
enumConstantNode
});
return(true);
}
}
if (type.Equals(types.ColumnDefinitions))
{
return(ConvertDefinitionList(node, text, types, types.ColumnDefinitions, types.ColumnDefinition, "column definitions", out result));
}
if (type.Equals(types.RowDefinitions))
{
return(ConvertDefinitionList(node, text, types, types.RowDefinitions, types.RowDefinition, "row definitions", out result));
}
if (type.Equals(types.Classes))
{
var classes = text.Split(' ');
var classNodes = classes.Select(c => new XamlAstTextNode(node, c, types.XamlIlTypes.String)).ToArray();
result = new AvaloniaXamlIlAvaloniaListConstantAstNode(node, types, types.Classes, types.XamlIlTypes.String, classNodes);
return(true);
}
result = null;
return(false);
}
