public static IEnumerable <XamlMember> GetSortedConstructorArguments(this XamlType type)
{
var args = type.GetConstructorArguments().ToArray();
foreach (var ci in type.UnderlyingType.GetConstructors().Where(c => c.GetParameters().Length == args.Length))
{
var pis = ci.GetParameters();
if (args.Length != pis.Length)
{
continue;
}
bool mismatch = false;
foreach (var pi in pis)
{
for (int i = 0; i < args.Length; i++)
{
if (!args.Any(a => a.ConstructorArgumentName() == pi.Name))
{
mismatch = true;
}
}
}
if (mismatch)
{
continue;
}
return(args.OrderBy(c => pis.FindParameterWithName(c.ConstructorArgumentName()).Position));
}
return(null);
}
public static IEnumerable <XamlMember> GetSortedConstructorArguments(this XamlType type, IList <object> contents = null)
{
var constructors = type.UnderlyingType.GetTypeInfo().GetConstructors();
if (contents != null && contents.Count > 0)
{
var context = type.SchemaContext;
// find constructor that matches content type directly first, then by ones that can be converted by type
var constructorArguments =
FindConstructorArguments(context, constructors, contents, (type1, type2) => type1.UnderlyingType.GetTypeInfo().IsAssignableFrom(type2.UnderlyingType.GetTypeInfo()))
?? FindConstructorArguments(context, constructors, contents, (type1, type2) => type1.CanConvertFrom(type2));
if (constructorArguments != null)
{
return(constructorArguments);
}
}
// find constructor based on ConstructorArgumentAttribute
var args = type.GetConstructorArguments();
foreach (var ci in constructors)
{
var pis = ci.GetParameters();
if (args.Count != pis.Length)
{
continue;
}
bool mismatch = false;
foreach (var pi in pis)
{
mismatch |= args.All(a => a.ConstructorArgumentName() != pi.Name);
}
if (mismatch)
{
continue;
}
return(args.OrderBy(c => pis.FindParameterWithName(c.ConstructorArgumentName()).Position));
}
return(null);
}
