protected InjectAttributeProcessor([NotNull] MemberInfo member, [NotNull] T attribute)
: base(member, attribute)
{
switch (member)
{
case FieldInfo field:
TargetType = field.FieldType;
TargetSetter = field.SetValue;
break;
case PropertyInfo property:
TargetType = property.PropertyType;
TargetSetter = property.SetValue;
break;
default:
throw new InvalidOperationException($"Unknown member type: {member}.");
}
if (TargetType.IsGenericType && TargetType.GetGenericTypeDefinition() == typeof(IEnumerable <>))
{
DependencyType = TargetType.GetGenericArguments()[0] ?? TargetType;
Enumerable = DependencyType != TargetType;
}
else
{
DependencyType = TargetType;
}
}
protected InjectAttributeProcessor([NotNull] MemberInfo member, [NotNull] T attribute)
: base(member, attribute)
{
switch (member)
{
case FieldInfo field:
TargetType = field.FieldType;
TargetSetter = field.SetValue;
break;
case PropertyInfo property:
TargetType = property.PropertyType;
if (property.CanWrite)
{
TargetSetter = property.SetValue;
}
else
{
var writeableProperty = property.DeclaringType?.GetProperty(
property.Name, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
if (writeableProperty == null)
{
throw new InvalidOperationException(
$"Property '{property.DeclaringType?.Name}.{property.Name}' is not writeable.");
}
TargetSetter = writeableProperty.SetValue;
}
break;
default:
throw new InvalidOperationException($"Unknown member type: {member}.");
}
if (TargetType.IsGenericType && TargetType.GetGenericTypeDefinition() == typeof(IEnumerable <>))
{
DependencyType = TargetType.GetGenericArguments()[0] ?? TargetType;
Enumerable = DependencyType != TargetType;
}
else
{
DependencyType = TargetType;
}
}
protected InjectAttributeProcessor(MemberInfo member, T attribute) : base(member, attribute)
{
switch (member)
{
case FieldInfo field:
TargetType = field.FieldType;
TargetSetter = field.SetValue;
break;
case PropertyInfo property:
TargetType = property.PropertyType;
if (property.CanWrite)
{
TargetSetter = property.SetValue;
}
else
{
var writableProperty = property.DeclaringType?.GetProperty(
property.Name, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
if (writableProperty == null)
{
throw new InvalidOperationException(
$"Property '{property.DeclaringType?.Name}.{property.Name}' is not writable.");
}
TargetSetter = writableProperty.SetValue;
}
break;
default:
throw new InvalidOperationException($"Unknown member type: {member}.");
}
DependencyType = TargetType;
if (!TargetType.IsGenericType)
{
return;
}
var genType = TargetType.GetGenericTypeDefinition();
if (genType == typeof(Option <>))
{
DependencyType = TargetType.GetGenericArguments()[0];
Debug.Assert(DependencyType != null, "DependencyType != null");
Optional = true;
}
else if (genType == typeof(IEnumerable <>))
{
DependencyType = TargetType.GetGenericArguments()[0];
Debug.Assert(DependencyType != null, "DependencyType != null");
Enumerable = true;
}
}