public static object Create(string xaml, bool doNotThrow = false)
{
object inflatedView = null;
using (var reader = XmlReader.Create(new StringReader(xaml))) {
while (reader.Read())
{
//Skip until element
if (reader.NodeType == XmlNodeType.Whitespace)
{
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 HydratationContext {
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 IResourceDictionary LoadResources(string xaml, IResourcesProvider rootView)
{
void ehandler(Exception e) => ResourceLoader.ExceptionHandler2?.Invoke((e, XamlFilePathAttribute.GetFilePathForObject(rootView)));
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;
}
//the root is set to null, and not to rootView, on purpose as we don't want to erase the current Resources of the view
RootNode rootNode = new RuntimeRootNode(new XmlType(reader.NamespaceURI, reader.Name, null), null, (IXmlNamespaceResolver)reader);
XamlParser.ParseXaml(rootNode, reader);
var rNode = (IElementNode)rootNode;
if (!rNode.Properties.TryGetValue(new XmlName("http://xamarin.com/schemas/2014/forms", "Resources"), out var resources))
{
return(null);
}
var visitorContext = new HydrationContext
{
ExceptionHandler = ResourceLoader.ExceptionHandler2 != null ? ehandler : (Action <Exception>)null,
};
var cvv = new CreateValuesVisitor(visitorContext);
cvv.Visit((ElementNode)resources, null);
visitorContext.RootElement = visitorContext.Values[resources];
resources.Accept(new XamlNodeVisitor((node, parent) => node.Parent = parent), null); //set parents for {StaticResource}
resources.Accept(new ExpandMarkupsVisitor(visitorContext), null);
resources.Accept(new PruneIgnoredNodesVisitor(false), null);
resources.Accept(new NamescopingVisitor(visitorContext), null); //set namescopes for {x:Reference}
resources.Accept(new CreateValuesVisitor(visitorContext), null);
resources.Accept(new RegisterXNamesVisitor(visitorContext), null);
resources.Accept(new FillResourceDictionariesVisitor(visitorContext), null);
resources.Accept(new ApplyPropertiesVisitor(visitorContext, true), null);
return(visitorContext.Values[resources] as IResourceDictionary);
}
}
return(null);
}
public static object Create(string xaml, bool doNotThrow, bool useDesignProperties)
{
doNotThrow = doNotThrow || ResourceLoader.ExceptionHandler2 != null;
void ehandler(Exception e) => ResourceLoader.ExceptionHandler2?.Invoke((e, null));
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 typeArguments = XamlParser.GetTypeArguments(reader);
var rootnode = new RuntimeRootNode(new XmlType(reader.NamespaceURI, reader.Name, typeArguments), null, (IXmlNamespaceResolver)reader)
{
LineNumber = ((IXmlLineInfo)reader).LineNumber, LinePosition = ((IXmlLineInfo)reader).LinePosition
};
XamlParser.ParseXaml(rootnode, reader);
var visitorContext = new HydrationContext {
ExceptionHandler = doNotThrow ? ehandler : (Action <Exception>)null,
};
var cvv = new CreateValuesVisitor(visitorContext);
cvv.Visit((ElementNode)rootnode, null);
inflatedView = rootnode.Root = visitorContext.Values[rootnode];
if (XamlFilePathAttribute.GetFilePathForObject(inflatedView) is string path)
{
VisualDiagnostics.RegisterSourceInfo(inflatedView, new Uri($"{path};assembly={inflatedView.GetType().GetTypeInfo().Assembly.GetName().Name}", UriKind.Relative), ((IXmlLineInfo)rootnode).LineNumber, ((IXmlLineInfo)rootnode).LinePosition);
VisualDiagnostics.SendVisualTreeChanged(null, inflatedView);
}
visitorContext.RootElement = inflatedView as BindableObject;
Visit(rootnode, visitorContext, useDesignProperties);
break;
}
}
return(inflatedView);
}
public static IResourceDictionary LoadResources(string xaml, IResourcesProvider rootView)
{
void ehandler(Exception e) => ResourceLoader.ExceptionHandler2?.Invoke((e, XamlFilePathAttribute.GetFilePathForObject(rootView)));
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;
}
//the root is set to null, and not to rootView, on purpose as we don't want to erase the current Resources of the view
RootNode rootNode = new RuntimeRootNode(new XmlType(reader.NamespaceURI, reader.Name, null), null, (IXmlNamespaceResolver)reader)
{
LineNumber = ((IXmlLineInfo)reader).LineNumber, LinePosition = ((IXmlLineInfo)reader).LinePosition
};
XamlParser.ParseXaml(rootNode, reader);
var rNode = (IElementNode)rootNode;
if (!rNode.Properties.TryGetValue(new XmlName(XamlParser.XFUri, "Resources"), out var resources))
{
return(null);
}
var visitorContext = new HydrationContext
{
ExceptionHandler = ResourceLoader.ExceptionHandler2 != null ? ehandler : (Action <Exception>)null,
};
var cvv = new CreateValuesVisitor(visitorContext);
if (resources is ElementNode resourcesEN && (resourcesEN.XmlType.NamespaceUri != XamlParser.XFUri || resourcesEN.XmlType.Name != nameof(ResourceDictionary)))
{ //single implicit resource
resources = new ElementNode(new XmlType(XamlParser.XFUri, nameof(ResourceDictionary), null), XamlParser.XFUri, rootNode.NamespaceResolver);
((ElementNode)resources).CollectionItems.Add(resourcesEN);
}
public static object Create(string xaml, bool doNotThrow, bool useDesignProperties)
{
doNotThrow = doNotThrow || ResourceLoader.ExceptionHandler2 != null;
void ehandler(Exception e) => ResourceLoader.ExceptionHandler2?.Invoke((e, null));
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 typeArguments = XamlParser.GetTypeArguments(reader);
var rootnode = new RuntimeRootNode(new XmlType(reader.NamespaceURI, reader.Name, typeArguments), null, (IXmlNamespaceResolver)reader);
XamlParser.ParseXaml(rootnode, reader);
var visitorContext = new HydrationContext {
ExceptionHandler = doNotThrow ? ehandler : (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, useDesignProperties);
break;
}
}
return(inflatedView);
}
public static object Create (string xaml, bool doNotThrow = false)
{
object inflatedView = null;
using (var reader = XmlReader.Create (new StringReader (xaml))) {
while (reader.Read ()) {
//Skip until element
if (reader.NodeType == XmlNodeType.Whitespace)
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 HydratationContext {
DoNotThrowOnExceptions = doNotThrow,
};
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;
}
