/// <summary>
/// 【Extends】获取枚举类型 <typeparamref name="T"/> 的第一个特性类型为 <paramref name="attributeType"/> 的特性 <see href="Attribute"/> 。
/// </summary>
/// <param name="provider">An enumeration value on which to search for the attribute.</param>
/// <param name="attributeType">The attribute type to search for.</param>
/// <returns>The first attribute found on the source.</returns>
public static Attribute Attribute(this Enum provider, Type attributeType)
{
Type type = provider.GetType();
MemberInfo info = type.Member(provider.ToString(), Flags.StaticAnyVisibility | Flags.DeclaredOnly);
return(info.Attribute(attributeType));
}
static InjectableInfo CreateForMember(MemberInfo memInfo, Type enclosingType)
{
var injectAttr = memInfo.Attribute<InjectAttribute>();
var info = new InjectableInfo()
{
Optional = memInfo.HasAttribute(typeof(InjectOptionalAttribute)),
Identifier = (injectAttr == null ? null : injectAttr.Identifier),
SourceName = memInfo.Name,
EnclosingType = enclosingType,
};
if (memInfo is FieldInfo)
{
var fieldInfo = (FieldInfo)memInfo;
info.Setter = ((object injectable, object value) => fieldInfo.SetValue(injectable, value));
info.ContractType = fieldInfo.FieldType;
}
else
{
Assert.That(memInfo is PropertyInfo);
var propInfo = (PropertyInfo)memInfo;
info.Setter = ((object injectable, object value) => propInfo.SetValue(injectable, value, null));
info.ContractType = propInfo.PropertyType;
}
return info;
}
