internal PropertyValue(PropertyPath path, int index, MemberInfo member)
{
this.index = index;
Path = path;
var ot = FastType.GetType(member.DeclaringType);
Member = ot.DeclaredMembers[member.Name];
}
/// <summary>
/// Will set all properties marked with <see cref="ImportAttribute"/>. If property is an array or a <see cref="List{T}"/>
/// It will <see cref="ResolveAll(Type, RequestCache)"/> and set up the array / collection with the result.
/// </summary>
/// <param name="instance">The object which property must be resolved.</param>
/// <param name="cache">A cache for the request so that each instance which are not service is created only once.</param>
public void ResolveProperties(object instance, RequestCache cache = null)
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (cache == null)
{
cache = new RequestCache();
}
var ftype = FastType.GetType(instance.GetType());
var props = (
from p in ftype.GetRuntimeMembers()
where !p.IsStatic
let pi = p.Member.GetCustomAttributes <ImportAttribute>().FirstOrDefault()
where pi != null
select new { p, pi }
).ToList();
foreach (var item in props)
{
var p = item.p;
var pi = item.pi;
if (IsBaseClass(typeof(IEnumerable), p.Type.Type))
{
var t = pi.ImportedType;
// T[]
if (p.Type.Type.IsArray)
{
if (t == null)
{
t = p.Type.Type.GetElementType();
}
if (!IsBaseClass(p.Type.Type.GetElementType(), t))
{
throw new NotSupportedException($"Property {instance.GetType().Name}.{p.Name}, can't import {t.Name}");
}
var objs = FindRegistrations(t, cache).Select(x => Resolve(x, cache)).ToList();
var prop = Array.CreateInstance(t, objs.Count);
for (int i = 0; i < objs.Count; i++)
{
prop.SetValue(objs[i], i);
}
item.p.SetValue(instance, prop);
}
// List<T>
else
{
if (!IsBaseClass(typeof(IList), p.Type.Type))
{
throw new InvalidOperationException($"[Import] property {instance.GetType().Name}.{p.Name} must be an array or an IList");
}
if (t == null)
{
var ga = p.Type.Type.GenericTypeArguments;
if (ga.Length != 1)
{
throw new NotSupportedException($"[Import] property {instance.GetType().Name}.{p.Name} must be generic or the Import type must be defined");
}
t = ga[0];
}
var value = p.GetValue(instance);
if (value == null)
{
if (!CanBeInstantiated(p.Type.Type) || !p.CanSet)
{
throw new InvalidOperationException($"Can't [Import]{p.Type.Type.Name} for {instance.GetType().Name}.{p.Name}");
}
value = Create(p.Type.Type, cache);
p.SetValue(instance, value);
}
var list = (IList)value;
ForEach(FindRegistrations(t, cache).Select(x => Resolve(x, cache)), x => list.Add(x));
}
}
else
{
// simple property
var o = ResolveAll(pi.ImportedType ?? p.Type.Type, cache).First();
item.p.SetValue(instance, o);
}
}
}
private void Initialize(Type type)
{
Type = type;
IsSupported = !IsIgnored(type);
if (!IsSupported)
{
return;
}
Kind = PrimitiveConverter.GetPrimitiveType(type);
FastType = FastType.GetType(type);
switch (Kind)
{
case PrimitiveType.None:
case PrimitiveType.Object:
break;
case PrimitiveType.Type:
case PrimitiveType.String:
case PrimitiveType.Bytes:
IsReference = true;
IsSealed = true;
return;
default:
return;
}
void CaptureName()
{
var nattr = type.GetCustomAttribute <SerializationNameAttribute>();
if (nattr != null)
{
FullName = nattr.FullName;
Assembly = nattr.AssemblyName;
}
else
{
FullName = type.FullName;
if (!FastType.IsMscorlib)
{
Assembly = type.Assembly.GetName().Name;
}
}
}
if (type.IsArray)
{
IsReference = true;
IsSealed = true;
IsArray = true;
ArrayRank = type.GetArrayRank();
Element = GetType(type.GetElementType());
}
else if (type.IsEnum)
{
IsEnum = true;
Element = GetType(type.GetEnumUnderlyingType());
CaptureName();
}
else if (type.IsGenericParameter)
{
IsGenericParameter = true;
var pargs = type.DeclaringType.GetGenericArguments();
for (int i = 0; i < pargs.Length; i++)
{
if (pargs[i].Name == type.Name)
{
GenericParameterIndex = i;
break;
}
}
}
else
{
IsSealed = type.IsSealed;
IsReference = !type.IsValueType;
Surrogate = GetSurrogate(type);
BaseType = GetType(type.BaseType);
IsInterface = type.IsInterface;
IsAbstract = type.IsAbstract;
IsISerializable = typeof(ISerializable).IsBaseClass(type);
Converter = GetTypeConverter();
if (type.IsGenericType)
{
IsGeneric = true;
if (type.IsGenericTypeDefinition)
{
IsGenericTypeDefinition = true;
CaptureName();
}
else
{
var def = type.GetGenericTypeDefinition();
Element = GetType(def);
IsNullable = def == typeof(Nullable <>);
}
GenericParameters = type.GetGenericArguments()
.Select(x => GetType(x))
.ToList()
.AsReadOnly();
}
else
{
CaptureName();
}
if (Surrogate == null && !IsInterface)
{
var settings = type.GetCustomAttribute <SerializationSettingsAttribute>() ?? SerializationSettingsAttribute.Defaults;
foreach (var m in FastType.DeclaredMembers)
{
if (m.IsStatic || m.IsOverride)
{
continue;
}
var rType = GetType(m.Type.Type);
if (!rType.IsSupported)
{
continue;
}
if (m.GetAttribute <NotSerializedAttribute>() != null)
{
continue;
}
if (m.GetAttribute <SerializedAttribute>() == null)
{
if (m.IsField && m.IsPublic && !settings.IncludePublicFields)
{
continue;
}
if (m.IsField && !m.IsPublic && !settings.IncludePrivateFields)
{
continue;
}
if (!m.IsField && m.IsPublic && !settings.IncludePublicProperties)
{
continue;
}
if (!m.IsField && !m.IsPublic && !settings.IncludePrivateProperties)
{
continue;
}
}
if (!m.CanSet && !m.Type.IsReference)
{
continue;
}
var name = m.GetAttribute <SerializationMemberNameAttribute>()?.MemberName;
Members.Add(new Member(this)
{
Name = name ?? m.Name,
Type = rType,
RuntimeMember = m,
});
}
var interfaces = type.GetInterfaces();
var iDictKV = interfaces.Where(t => t.IsGenericType && t.GetGenericTypeDefinition() == typeof(IDictionary <,>)).FirstOrDefault();
var iColT = interfaces.Where(t => t.IsGenericType && t.GetGenericTypeDefinition() == typeof(ICollection <>)).FirstOrDefault();
if (settings.IncludeDictionaryInterface && iDictKV != null)
{
CollectionType = RuntimeCollectionType.IDictionaryKV;
Collection1 = GetType(iDictKV.GenericTypeArguments[0]);
Collection2 = GetType(iDictKV.GenericTypeArguments[1]);
}
else if (settings.IncludeListInterface && iColT != null)
{
CollectionType = RuntimeCollectionType.ICollectionT;
Collection1 = GetType(iColT.GenericTypeArguments[0]);
}
else if (settings.IncludeDictionaryInterface && interfaces.Contains(typeof(IDictionary)))
{
CollectionType = RuntimeCollectionType.IDictionary;
}
else if (settings.IncludeListInterface && interfaces.Contains(typeof(IList)))
{
CollectionType = RuntimeCollectionType.IList;
}
}
}
}