public static object Create(string xaml, bool doNotThrow = false)
{
object inflatedView = null;
using (var textreader = new StringReader(xaml))
using (var reader = XmlReader.Create(textreader))
{
while (reader.Read())
{
//Skip until element
if (reader.NodeType == XmlNodeType.Whitespace)
{
continue;
}
if (reader.NodeType == XmlNodeType.XmlDeclaration)
{
continue;
}
if (reader.NodeType != XmlNodeType.Element)
{
Debug.WriteLine("Unhandled node {0} {1} {2}", reader.NodeType, reader.Name, reader.Value);
continue;
}
var rootnode = new RuntimeRootNode(new XmlType(reader.NamespaceURI, reader.Name, null), null, (IXmlNamespaceResolver)reader);
XamlParser.ParseXaml(rootnode, reader);
var visitorContext = new HydrationContext
{
ExceptionHandler = doNotThrow ? e => { } : (Action <Exception>)null,
};
var cvv = new CreateValuesVisitor(visitorContext);
cvv.Visit((ElementNode)rootnode, null);
inflatedView = rootnode.Root = visitorContext.Values[rootnode];
visitorContext.RootElement = inflatedView as BindableObject;
Visit(rootnode, visitorContext);
break;
}
}
return(inflatedView);
}
public static object Create(XmlReader reader, bool doNotThrow = false)
{
object inflatedView = null;
if (reader != null)
{
while (reader.Read())
{
//Skip until element
if (reader.NodeType == XmlNodeType.Whitespace)
{
continue;
}
if (reader.NodeType == XmlNodeType.XmlDeclaration)
{
continue;
}
if (reader.NodeType != XmlNodeType.Element)
{
Debug.WriteLine("Unhandled node {0} {1} {2}", reader.NodeType, reader.Name, reader.Value);
continue;
}
var rootnode = new RuntimeRootNode(new XmlType(reader.NamespaceURI, reader.Name, null), null, (IXmlNamespaceResolver)reader);
XamlParser.ParseXaml(rootnode, reader);
var visitorContext = new HydrationContext
{
ExceptionHandler = doNotThrow ? e => { } : (Action <Exception>)null,
};
var cvv = new CreateValuesVisitor(visitorContext);
// Visit Parameter Properties to create instance from parameterized constructor
var type = XamlParser.GetElementType(rootnode.XmlType, rootnode, null, out XamlParseException xpe);
if (xpe != null)
{
throw xpe;
}
var ctorInfo =
type.GetTypeInfo()
.DeclaredConstructors.FirstOrDefault(
ci =>
ci.GetParameters().Length != 0 && ci.IsPublic &&
ci.GetParameters().All(pi => pi.CustomAttributes.Any(attr => attr.AttributeType == typeof(ParameterAttribute))));
if (ctorInfo != null)
{
foreach (var parameter in ctorInfo.GetParameters())
{
var propname =
parameter.CustomAttributes.First(ca => ca.AttributeType.FullName == "Tizen.NUI.Binding.ParameterAttribute")?
.ConstructorArguments.First()
.Value as string;
var name = new XmlName("", propname);
if (rootnode.Properties.TryGetValue(name, out INode node) && node is ValueNode)
{
node.Accept(cvv, rootnode);
}
}
}
cvv.Visit((ElementNode)rootnode, null);
inflatedView = rootnode.Root = visitorContext.Values[rootnode];
visitorContext.RootElement = inflatedView as BindableObject;
Visit(rootnode, visitorContext);
break;
}
}
return(inflatedView);
}
