public void Visit(ElementNode node, INode parentNode)
{
XmlName propertyName;
//Set ResourcesDictionaries to their parents
if (IsResourceDictionary(node) && SetPropertiesVisitor.TryGetPropertyName(node, parentNode, out propertyName))
{
if ((propertyName.LocalName == "Resources" || propertyName.LocalName.EndsWith(".Resources", StringComparison.Ordinal)))
{
Context.IL.Append(SetPropertiesVisitor.SetPropertyValue(Context.Variables[(IElementNode)parentNode], propertyName, node, Context, node));
return;
}
}
//Only proceed further if the node is a keyless RD
if (parentNode is IElementNode &&
IsResourceDictionary((IElementNode)parentNode) &&
!((IElementNode)parentNode).Properties.ContainsKey(XmlName.xKey))
{
node.Accept(new SetPropertiesVisitor(Context, stopOnResourceDictionary: false), parentNode);
}
else if (parentNode is ListNode &&
IsResourceDictionary((IElementNode)parentNode.Parent) &&
!((IElementNode)parentNode.Parent).Properties.ContainsKey(XmlName.xKey))
{
node.Accept(new SetPropertiesVisitor(Context, stopOnResourceDictionary: false), parentNode);
}
}
public void Visit(ListNode node, INode parentNode)
{
XmlName name;
if (SetPropertiesVisitor.TryGetPropertyName(node, parentNode, out name))
{
node.XmlName = name;
}
}
public void Visit(ValueNode node, INode parentNode)
{
Context.Values[node] = node.Value;
XmlName propertyName;
if (SetPropertiesVisitor.TryGetPropertyName(node, parentNode, out propertyName))
{
if (propertyName.NamespaceURI == "http://schemas.openxmlformats.org/markup-compatibility/2006" &&
propertyName.LocalName == "Ignorable")
{
(parentNode.IgnorablePrefixes ?? (parentNode.IgnorablePrefixes = new List <string>())).AddRange(
(node.Value as string).Split(','));
}
}
}
public void Visit(ValueNode node, INode parentNode)
{
XmlName propertyName;
if (!SetPropertiesVisitor.TryGetPropertyName(node, parentNode, out propertyName))
{
if (!IsCollectionItem(node, parentNode))
{
return;
}
string contentProperty;
if (!Context.Variables.ContainsKey((IElementNode)parentNode))
{
return;
}
var parentVar = Context.Variables[(IElementNode)parentNode];
if ((contentProperty = SetPropertiesVisitor.GetContentProperty(parentVar.VariableType)) != null)
{
propertyName = new XmlName(((IElementNode)parentNode).NamespaceURI, contentProperty);
}
else
{
return;
}
}
if (node.SkipPrefix((node.NamespaceResolver ?? parentNode.NamespaceResolver)?.LookupPrefix(propertyName.NamespaceURI)))
{
return;
}
if (propertyName.NamespaceURI == "http://schemas.openxmlformats.org/markup-compatibility/2006" &&
propertyName.LocalName == "Ignorable")
{
(parentNode.IgnorablePrefixes ?? (parentNode.IgnorablePrefixes = new List <string>())).AddRange(
(node.Value as string).Split(','));
return;
}
if (propertyName.LocalName != "MergedWith")
{
return;
}
SetPropertiesVisitor.SetPropertyValue(Context.Variables[(IElementNode)parentNode], propertyName, node, Context, node);
}
public void Visit(ValueNode node, INode parentNode)
{
XmlName propertyName;
if (!SetPropertiesVisitor.TryGetPropertyName(node, parentNode, out propertyName))
{
if (!IsCollectionItem(node, parentNode))
{
return;
}
string contentProperty;
if (!Context.Variables.ContainsKey((IElementNode)parentNode))
{
return;
}
var parentVar = Context.Variables[(IElementNode)parentNode];
if ((contentProperty = SetPropertiesVisitor.GetContentProperty(parentVar.VariableType)) != null)
{
propertyName = new XmlName(((IElementNode)parentNode).NamespaceURI, contentProperty);
}
else
{
return;
}
}
if (propertyName.NamespaceURI == "http://schemas.openxmlformats.org/markup-compatibility/2006" &&
propertyName.LocalName == "Ignorable")
{
return;
}
if (propertyName.LocalName != "MergedWith")
{
return;
}
Context.IL.Append(SetPropertiesVisitor.SetPropertyValue(Context.Variables[(IElementNode)parentNode], propertyName, node, Context, node));
}
public void Visit(ElementNode node, INode parentNode)
{
//Set Resources in ResourcesDictionaries
if (IsCollectionItem(node, parentNode) && parentNode is IElementNode)
{
// Collection element, implicit content, or implicit collection element.
CustomAttribute cpAttr;
var parentVar = Context.Variables[(IElementNode)parentNode];
if (parentVar.VariableType.ImplementsInterface(Module.Import(typeof(IEnumerable))))
{
if ((parentVar.VariableType.FullName == "Xamarin.Forms.ResourceDictionary" ||
parentVar.VariableType.Resolve().BaseType.FullName == "Xamarin.Forms.ResourceDictionary") &&
!node.Properties.ContainsKey(XmlName.xKey))
{
node.Accept(new SetPropertiesVisitor(Context), parentNode);
if (node.XmlType.Name != "Style")
{
throw new XamlParseException("resources in ResourceDictionary require a x:Key attribute", node);
}
//if this node is an IMarkupExtension, invoke ProvideValue() and replace the variable
var vardef = Context.Variables[node];
var vardefref = new VariableDefinitionReference(vardef);
Context.IL.Append(SetPropertiesVisitor.ProvideValue(vardefref, Context, Module, node));
if (vardef != vardefref.VariableDefinition)
{
vardef = vardefref.VariableDefinition;
Context.Body.Variables.Add(vardef);
Context.Variables[node] = vardef;
}
Context.IL.Emit(OpCodes.Ldloc, parentVar);
Context.IL.Emit(OpCodes.Ldloc, Context.Variables[node]);
Context.IL.Emit(OpCodes.Callvirt,
Module.Import(
Module.Import(typeof(ResourceDictionary))
.Resolve()
.Methods.Single(md => md.Name == "Add" && md.Parameters.Count == 1)));
}
else if ((parentVar.VariableType.FullName == "Xamarin.Forms.ResourceDictionary" ||
parentVar.VariableType.Resolve().BaseType.FullName == "Xamarin.Forms.ResourceDictionary") &&
node.Properties.ContainsKey(XmlName.xKey))
{
node.Accept(new SetPropertiesVisitor(Context), parentNode);
//if this node is an IMarkupExtension, invoke ProvideValue() and replace the variable
var vardef = Context.Variables[node];
var vardefref = new VariableDefinitionReference(vardef);
Context.IL.Append(SetPropertiesVisitor.ProvideValue(vardefref, Context, Module, node));
if (vardef != vardefref.VariableDefinition)
{
vardef = vardefref.VariableDefinition;
Context.Body.Variables.Add(vardef);
Context.Variables[node] = vardef;
}
// IL_0013: ldloc.0
// IL_0014: ldstr "key"
// IL_0019: ldstr "foo"
// IL_001e: callvirt instance void class [Xamarin.Forms.Core]Xamarin.Forms.ResourceDictionary::Add(string, object)
Context.IL.Emit(OpCodes.Ldloc, parentVar);
Context.IL.Emit(OpCodes.Ldstr, (node.Properties[XmlName.xKey] as ValueNode).Value as string);
var varDef = Context.Variables[node];
Context.IL.Emit(OpCodes.Ldloc, varDef);
if (varDef.VariableType.IsValueType)
{
Context.IL.Emit(OpCodes.Box, Module.Import(varDef.VariableType));
}
Context.IL.Emit(OpCodes.Callvirt,
Module.Import(
Module.Import(typeof(ResourceDictionary))
.Resolve()
.Methods.Single(md => md.Name == "Add" && md.Parameters.Count == 2)));
}
}
}
//Set ResourcesDictionaries to their parents
XmlName propertyName;
if (SetPropertiesVisitor.TryGetPropertyName(node, parentNode, out propertyName) &&
(propertyName.LocalName == "Resources" || propertyName.LocalName.EndsWith(".Resources", StringComparison.Ordinal)) &&
(Context.Variables[node].VariableType.FullName == "Xamarin.Forms.ResourceDictionary" ||
Context.Variables[node].VariableType.Resolve().BaseType.FullName == "Xamarin.Forms.ResourceDictionary"))
{
SetPropertiesVisitor.SetPropertyValue(Context.Variables[(IElementNode)parentNode], propertyName, node, Context, node);
}
}