public void Visit(ElementNode node, INode parentNode)
{
var value = Values[node];
XmlName propertyName;
//Set RD to VE
if (typeof(ResourceDictionary).IsAssignableFrom(Context.Types[node]) && ApplyPropertiesVisitor.TryGetPropertyName(node, parentNode, out propertyName))
{
if ((propertyName.LocalName == "Resources" ||
propertyName.LocalName.EndsWith(".Resources", StringComparison.Ordinal)) && value is ResourceDictionary)
{
var source = Values[parentNode];
ApplyPropertiesVisitor.SetPropertyValue(source, propertyName, value, Context.RootElement, node, Context, node);
return;
}
}
//Only proceed further if the node is a keyless RD
if (parentNode is IElementNode &&
typeof(ResourceDictionary).IsAssignableFrom(Context.Types[((IElementNode)parentNode)]) &&
!((IElementNode)parentNode).Properties.ContainsKey(XmlName.xKey))
{
node.Accept(new ApplyPropertiesVisitor(Context, stopOnResourceDictionary: false), parentNode);
}
else if (parentNode is ListNode &&
typeof(ResourceDictionary).IsAssignableFrom(Context.Types[((IElementNode)parentNode.Parent)]) &&
!((IElementNode)parentNode.Parent).Properties.ContainsKey(XmlName.xKey))
{
node.Accept(new ApplyPropertiesVisitor(Context, stopOnResourceDictionary: false), parentNode);
}
}
public void Visit(MarkupNode markupnode, INode parentNode)
{
var parentElement = parentNode as IElementNode;
XmlName propertyName;
if (!ApplyPropertiesVisitor.TryGetPropertyName(markupnode, parentNode, out propertyName))
{
return;
}
if (Skips.Contains(propertyName))
{
return;
}
if (parentElement.SkipProperties.Contains(propertyName))
{
return;
}
var markupString = markupnode.MarkupString;
var node =
ParseExpression(ref markupString, markupnode.NamespaceResolver, markupnode, markupnode, parentNode) as IElementNode;
if (node != null)
{
((IElementNode)parentNode).Properties[propertyName] = node;
node.Parent = parentNode;
}
}
protected override void SetPropertyValue(string prop, string strValue, object value, IServiceProvider serviceProvider)
{
MethodInfo setter;
if (prop == null)
{
//implicit property
var t = markupExtension.GetType();
prop = ApplyPropertiesVisitor.GetContentPropertyName(t.GetTypeInfo());
if (prop == null)
{
return;
}
setter = t.GetRuntimeProperty(prop).SetMethod;
}
else
{
setter = markupExtension.GetType().GetRuntimeProperty(prop).SetMethod;
}
if (value == null && strValue != null)
{
value = strValue.ConvertTo(markupExtension.GetType().GetRuntimeProperty(prop).PropertyType,
(Func <TypeConverter>)null, serviceProvider);
}
setter?.Invoke(markupExtension, new[] { value });
}
public void Visit(ListNode node, INode parentNode)
{
//this is a gross hack to keep ListNode alive. ListNode must go in favor of Properties
XmlName name;
if (ApplyPropertiesVisitor.TryGetPropertyName(node, parentNode, out name))
{
node.XmlName = name;
}
}
public void Visit(ElementNode node, INode parentNode)
{
object value = null;
XamlParseException xpe;
var type = XamlParser.GetElementType(node.XmlType, node, Context.RootElement?.GetType().GetTypeInfo().Assembly,
out xpe);
if (type == null)
{
throw new ArgumentNullException(null, "type should not be null");
}
if (xpe != null)
{
throw xpe;
}
Context.Types[node] = type;
string ctorargname;
if (IsXaml2009LanguagePrimitive(node))
{
value = CreateLanguagePrimitive(type, node);
}
else if (node.Properties.ContainsKey(XmlName.xArguments) || node.Properties.ContainsKey(XmlName.xFactoryMethod))
{
value = CreateFromFactory(type, node);
}
else if (
type.GetTypeInfo()
.DeclaredConstructors.Any(
ci =>
ci.IsPublic && ci.GetParameters().Length != 0 &&
ci.GetParameters().All(pi => pi.CustomAttributes.Any(attr => attr.AttributeType == typeof(ParameterAttribute)))) &&
ValidateCtorArguments(type, node, out ctorargname))
{
value = CreateFromParameterizedConstructor(type, node);
}
else if (!type.GetTypeInfo().DeclaredConstructors.Any(ci => ci.IsPublic && ci.GetParameters().Length == 0) &&
!ValidateCtorArguments(type, node, out ctorargname))
{
throw new XamlParseException($"The Property {ctorargname} is required to create a {type?.FullName} object.", node);
}
else
{
//this is a trick as the DataTemplate parameterless ctor is internal, and we can't CreateInstance(..., false) on WP7
try
{
if (type == typeof(DataTemplate))
{
value = new DataTemplate();
}
if (type == typeof(ControlTemplate))
{
value = new ControlTemplate();
}
if (value == null && node.CollectionItems.Any() && node.CollectionItems.First() is ValueNode)
{
var serviceProvider = new XamlServiceProvider(node, Context);
var converted = ((ValueNode)node.CollectionItems.First()).Value.ConvertTo(type, () => type.GetTypeInfo(),
serviceProvider);
if (converted != null && converted.GetType() == type)
{
value = converted;
}
}
if (value == null)
{
if (type.GetTypeInfo().DeclaredConstructors.Any(ci => ci.IsPublic && ci.GetParameters().Length == 0))
{
//default constructor
value = Activator.CreateInstance(type);
}
else
{
ConstructorInfo constructorInfo = null;
//constructor with all default parameters
foreach (var constructor in type.GetConstructors())
{
if (!constructor.IsStatic)
{
bool areAllParamsDefault = true;
foreach (var param in constructor.GetParameters())
{
if (!param.HasDefaultValue)
{
areAllParamsDefault = false;
break;
}
}
if (areAllParamsDefault)
{
if (null == constructorInfo)
{
constructorInfo = constructor;
}
else
{
throw new XamlParseException($"{type.FullName} has more than one constructor which params are all default.", node);
}
}
}
}
if (null == constructorInfo)
{
throw new XamlParseException($"{type.FullName} has no constructor which params are all default.", node);
}
List <object> defaultParams = new List <object>();
foreach (var param in constructorInfo.GetParameters())
{
defaultParams.Add(param.DefaultValue);
}
value = Activator.CreateInstance(type, defaultParams.ToArray());
}
if (value is Element element)
{
if (null != Application.Current)
{
Application.Current.XamlResourceChanged += element.OnResourcesChanged;
}
element.IsCreateByXaml = true;
element.LineNumber = node.LineNumber;
element.LinePosition = node.LinePosition;
}
}
}
catch (TargetInvocationException e)
{
if (e.InnerException is XamlParseException || e.InnerException is XmlException)
{
throw e.InnerException;
}
throw;
}
}
Values[node] = value;
var markup = value as IMarkupExtension;
if (markup != null && (value is TypeExtension || value is StaticExtension || value is ArrayExtension))
{
var serviceProvider = new XamlServiceProvider(node, Context);
var visitor = new ApplyPropertiesVisitor(Context);
foreach (var cnode in node.Properties.Values.ToList())
{
cnode.Accept(visitor, node);
}
foreach (var cnode in node.CollectionItems)
{
cnode.Accept(visitor, node);
}
value = markup.ProvideValue(serviceProvider);
INode xKey;
if (!node.Properties.TryGetValue(XmlName.xKey, out xKey))
{
xKey = null;
}
node.Properties.Clear();
node.CollectionItems.Clear();
if (xKey != null)
{
node.Properties.Add(XmlName.xKey, xKey);
}
Values[node] = value;
}
if (value is BindableObject)
{
NameScope.SetNameScope(value as BindableObject, node.Namescope);
}
}
public void Visit(ElementNode node, INode parentNode)
{
object value = null;
XamlParseException xpe;
var type = XamlParser.GetElementType(node.XmlType, node, Context.RootElement?.GetType().GetTypeInfo().Assembly,
out xpe);
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (xpe != null)
{
throw xpe;
}
Context.Types[node] = type;
string ctorargname;
if (IsXaml2009LanguagePrimitive(node))
{
value = CreateLanguagePrimitive(type, node);
}
else if (node.Properties.ContainsKey(XmlName.xArguments) || node.Properties.ContainsKey(XmlName.xFactoryMethod))
{
value = CreateFromFactory(type, node);
}
else if (
type.GetTypeInfo()
.DeclaredConstructors.Any(
ci =>
ci.IsPublic && ci.GetParameters().Length != 0 &&
ci.GetParameters().All(pi => pi.CustomAttributes.Any(attr => attr.AttributeType == typeof(ParameterAttribute)))) &&
ValidateCtorArguments(type, node, out ctorargname))
{
value = CreateFromParameterizedConstructor(type, node);
}
else if (!type.GetTypeInfo().DeclaredConstructors.Any(ci => ci.IsPublic && ci.GetParameters().Length == 0) &&
!ValidateCtorArguments(type, node, out ctorargname))
{
throw new XamlParseException($"The Property {ctorargname} is required to create a {type?.FullName} object.", node);
}
else
{
//this is a trick as the DataTemplate parameterless ctor is internal, and we can't CreateInstance(..., false) on WP7
try
{
if (type == typeof(DataTemplate))
{
value = new DataTemplate();
}
if (type == typeof(ControlTemplate))
{
value = new ControlTemplate();
}
if (value == null && node.CollectionItems.Any() && node.CollectionItems.First() is ValueNode)
{
var serviceProvider = new XamlServiceProvider(node, Context);
var converted = ((ValueNode)node.CollectionItems.First()).Value.ConvertTo(type, () => type.GetTypeInfo(),
serviceProvider);
if (converted != null && converted.GetType() == type)
{
value = converted;
}
}
if (value == null)
{
if (type.GetTypeInfo().DeclaredConstructors.Any(ci => ci.IsPublic && ci.GetParameters().Length == 0))
{
//default constructor
value = Activator.CreateInstance(type);
}
else
{
//constructor with all default parameters
value = Activator.CreateInstance(type, BindingFlags.CreateInstance | BindingFlags.Public | BindingFlags.Instance | BindingFlags.OptionalParamBinding, null, new object[] { Type.Missing }, CultureInfo.CurrentCulture);
}
if (value is Element)
{
if (null != Application.Current)
{
Application.AddResourceChangedCallback(value, (value as Element).OnResourcesChanged);
}
if (value is BindableObject)
{
((BindableObject)value).IsCreateByXaml = true;
}
}
}
}
catch (TargetInvocationException e)
{
if (e.InnerException is XamlParseException || e.InnerException is XmlException)
{
throw e.InnerException;
}
throw;
}
}
Values[node] = value;
var markup = value as IMarkupExtension;
if (markup != null && (value is TypeExtension || value is StaticExtension || value is ArrayExtension))
{
var serviceProvider = new XamlServiceProvider(node, Context);
var visitor = new ApplyPropertiesVisitor(Context);
foreach (var cnode in node.Properties.Values.ToList())
{
cnode.Accept(visitor, node);
}
foreach (var cnode in node.CollectionItems)
{
cnode.Accept(visitor, node);
}
value = markup.ProvideValue(serviceProvider);
INode xKey;
if (!node.Properties.TryGetValue(XmlName.xKey, out xKey))
{
xKey = null;
}
node.Properties.Clear();
node.CollectionItems.Clear();
if (xKey != null)
{
node.Properties.Add(XmlName.xKey, xKey);
}
Values[node] = value;
}
if (value is BindableObject)
{
NameScope.SetNameScope(value as BindableObject, node.Namescope);
}
}
