public static Type GetElementType(XmlType xmlType, IXmlLineInfo xmlInfo, Assembly currentAssembly,
out XamlParseException exception)
{
var namespaceURI = xmlType.NamespaceUri;
var elementName = xmlType.Name;
var typeArguments = xmlType.TypeArguments;
exception = null;
var lookupAssemblies = new List <Tuple <string, string> >(); //namespace, assemblyqualifiednamed
var lookupNames = new List <string>();
if (!XmlnsHelper.IsCustom(namespaceURI))
{
lookupAssemblies.Add(new Tuple <string, string>("Xamarin.Forms", typeof(View).GetTypeInfo().Assembly.FullName));
lookupAssemblies.Add(new Tuple <string, string>("Xamarin.Forms.Xaml", typeof(XamlLoader).GetTypeInfo().Assembly.FullName));
}
else if (namespaceURI == "http://schemas.microsoft.com/winfx/2009/xaml" ||
namespaceURI == "http://schemas.microsoft.com/winfx/2006/xaml")
{
lookupAssemblies.Add(new Tuple <string, string>("Xamarin.Forms.Xaml", typeof(XamlLoader).GetTypeInfo().Assembly.FullName));
lookupAssemblies.Add(new Tuple <string, string>("System", typeof(object).GetTypeInfo().Assembly.FullName)); //mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
lookupAssemblies.Add(new Tuple <string, string>("System", typeof(Uri).GetTypeInfo().Assembly.FullName)); //System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
}
else
{
string ns, asmstring, _;
XmlnsHelper.ParseXmlns(namespaceURI, out _, out ns, out asmstring, out _);
lookupAssemblies.Add(new Tuple <string, string>(ns, asmstring ?? currentAssembly.FullName));
}
lookupNames.Add(elementName);
if (namespaceURI == "http://schemas.microsoft.com/winfx/2009/xaml")
{
lookupNames.Add(elementName + "Extension");
}
for (var i = 0; i < lookupNames.Count; i++)
{
var name = lookupNames[i];
if (name.Contains(":"))
{
name = name.Substring(name.LastIndexOf(':') + 1);
}
if (typeArguments != null)
{
name += "`" + typeArguments.Count; //this will return an open generic Type
}
lookupNames[i] = name;
}
Type type = null;
foreach (var asm in lookupAssemblies)
{
foreach (var name in lookupNames)
{
if ((type = Type.GetType($"{asm.Item1}.{name}, {asm.Item2}")) != null)
{
break;
}
}
if (type != null)
{
break;
}
}
if (type != null && typeArguments != null)
{
XamlParseException innerexception = null;
var args = typeArguments.Select(delegate(XmlType xmltype)
{
XamlParseException xpe;
var t = GetElementType(xmltype, xmlInfo, currentAssembly, out xpe);
if (xpe != null)
{
innerexception = xpe;
return(null);
}
return(t);
}).ToArray();
if (innerexception != null)
{
exception = innerexception;
return(null);
}
type = type.MakeGenericType(args);
}
if (type == null)
{
exception = new XamlParseException($"Type {elementName} not found in xmlns {namespaceURI}", xmlInfo);
}
return(type);
}
public static Type GetElementType(XmlType xmlType, IXmlLineInfo xmlInfo, Assembly currentAssembly,
out XamlParseException exception)
{
var namespaceURI = xmlType.NamespaceUri;
var elementName = xmlType.Name;
var typeArguments = xmlType.TypeArguments;
exception = null;
List <Tuple <string, Assembly> > lookupAssemblies = new List <Tuple <string, Assembly> >();
List <string> lookupNames = new List <string>();
if (!XmlnsHelper.IsCustom(namespaceURI))
{
lookupAssemblies.Add(new Tuple <string, Assembly>("Xamarin.Forms", typeof(View).GetTypeInfo().Assembly));
lookupAssemblies.Add(new Tuple <string, Assembly>("Xamarin.Forms.Xaml", typeof(XamlLoader).GetTypeInfo().Assembly));
}
else if (namespaceURI == "http://schemas.microsoft.com/winfx/2009/xaml" ||
namespaceURI == "http://schemas.microsoft.com/winfx/2006/xaml")
{
lookupAssemblies.Add(new Tuple <string, Assembly>("Xamarin.Forms.Xaml", typeof(XamlLoader).GetTypeInfo().Assembly));
lookupAssemblies.Add(new Tuple <string, Assembly>("System", typeof(object).GetTypeInfo().Assembly));
lookupAssemblies.Add(new Tuple <string, Assembly>("System", typeof(Uri).GetTypeInfo().Assembly)); //System.dll
}
else
{
string ns;
string typename;
string asmstring;
Assembly asm;
XmlnsHelper.ParseXmlns(namespaceURI, out typename, out ns, out asmstring);
asm = asmstring == null ? currentAssembly : Assembly.Load(new AssemblyName(asmstring));
lookupAssemblies.Add(new Tuple <string, Assembly>(ns, asm));
}
lookupNames.Add(elementName);
if (namespaceURI == "http://schemas.microsoft.com/winfx/2009/xaml")
{
lookupNames.Add(elementName + "Extension");
}
for (var i = 0; i < lookupNames.Count; i++)
{
var name = lookupNames[i];
if (name.Contains(":"))
{
name = name.Substring(name.LastIndexOf(':') + 1);
}
if (typeArguments != null)
{
name += "`" + typeArguments.Count; //this will return an open generic Type
}
lookupNames[i] = name;
}
Type type = null;
foreach (var asm in lookupAssemblies)
{
if (type != null)
{
break;
}
foreach (var name in lookupNames)
{
if (type != null)
{
break;
}
type = asm.Item2.GetType(asm.Item1 + "." + name);
}
}
if (type != null && typeArguments != null)
{
XamlParseException innerexception = null;
var args = typeArguments.Select(delegate(XmlType xmltype)
{
XamlParseException xpe;
var t = GetElementType(xmltype, xmlInfo, currentAssembly, out xpe);
if (xpe != null)
{
innerexception = xpe;
return(null);
}
return(t);
}).ToArray();
if (innerexception != null)
{
exception = innerexception;
return(null);
}
type = type.MakeGenericType(args);
}
if (type == null)
{
exception = new XamlParseException(string.Format("Type {0} not found in xmlns {1}", elementName, namespaceURI),
xmlInfo);
return(null);
}
return(type);
}