private static Type InternalGetPropertyType(Type type, string property)
{
property = SanitizePropertyName(type, property);
#if PROFILE
using (Performance.Measure("InternalGetPropertyType"))
#endif
{
IBindableType bindableType = null;
if (BindableMetadataProvider != null)
{
var bindablePropertyDescriptor = BindablePropertyDescriptor.GetPropertByBindableMetadataProvider(type, property);
if (bindablePropertyDescriptor.OwnerType != null)
{
if (IsIndexerFormat(property))
{
if (bindableType.GetIndexerGetter() != null)
{
// In the case of bindable properties, the return
// type of an indexer is always an object.
return(typeof(object));
}
}
if (bindablePropertyDescriptor.Property != null)
{
// In the case of bindable properties, the return
// type of an indexer is always an object.
return(bindablePropertyDescriptor.Property.PropertyType);
}
else
{
_log.ErrorFormat("The [{0}] property does not exist on type [{1}]", property, type);
return(null);
}
}
}
#if PROFILE
using (Performance.Measure("InternalGetPropertyType.Reflection"))
#endif
{
if (_log.IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
_log.Debug($"GetPropertyType({type}, {property}) [Reflection]");
}
// Fallback on reflection-based lookup
if (IsIndexerFormat(property))
{
// Fallback on reflection-based lookup
var indexerInfo = GetPropertyInfo(type, "Item", allowPrivateMembers: false);
if (indexerInfo != null)
{
return(indexerInfo.PropertyType);
}
else
{
_log.ErrorFormat("The Indexer property getter does not exist on type [{0}]", type);
return(null);
}
}
var propertyInfo = GetPropertyInfo(type, property, allowPrivateMembers: false);
if (propertyInfo != null)
{
return(propertyInfo.PropertyType);
}
// Look for an attached property
var attachedPropertyGetter = GetAttachedPropertyGetter(type, property);
if (attachedPropertyGetter != null)
{
return(attachedPropertyGetter.ReturnType);
}
_log.ErrorFormat("The [{0}] property getter does not exist on type [{1}]", property, type);
return(null);
}
}
}
private BindablePropertyDescriptor(IBindableType ownerType, IBindableProperty property)
{
OwnerType = ownerType;
Property = property;
}