/// <summary>
/// Gets value member value.
/// </summary>
/// <typeparam name="TValue">Value type.</typeparam>
/// <returns>Value of the <c>object</c> member.</returns>
public TValue Value <TValue>()
{
Type typeLocal = this._type;
Func <TObject, TValue> getter =
GetterCache <TObject, TValue> .Getters.GetOrAdd(
new ValueTuple <Type, string>(typeLocal, this._name),
typeAndName =>
{
DataMemberInfoesCacheEntry cache = GetDataMemberInfoesCache(typeLocal);
PropertyInfo propertyInfo;
if (cache.Properties.TryGetValue(typeAndName.Item2, out propertyInfo))
{
// TODO: Replace to expression compilation.
return(o => (TValue)propertyInfo.GetValue(o));
}
FieldInfo fieldInfo;
if (!cache.Fields.TryGetValue(typeAndName.Item2, out fieldInfo))
{
throw new KeyNotFoundException(
"Cannot find property or field with the specified name.");
}
// TODO: Replace to expression compilation.
return(o => (TValue)fieldInfo.GetValue(o));
});
return(getter.Invoke(this._obj));
}
/// <summary>
/// Sets <c>object</c> member <c>value</c>.
/// </summary>
/// <typeparam name="TObject">Object type.</typeparam>
/// <typeparam name="TValue">Member <c>value</c> type.</typeparam>
/// <param name="obj"><c>Object</c> to set member <c>value</c> to.</param>
/// <param name="memberName"><c>Object</c> member (property or field) name.</param>
/// <param name="value">Value to set.</param>
public static void SetMemberValue <TObject, TValue>(this TObject obj, string memberName, TValue value)
{
Type type = typeof(TObject);
if (typeof(TObject).GetTypeInfo().IsClass)
{
// ReSharper disable once CompareNonConstrainedGenericWithNull
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
type = obj.GetType();
}
if (memberName == null)
{
throw new ArgumentNullException(nameof(memberName));
}
Action <TObject, TValue> setter = SetterCache <TObject, TValue> .Setters.GetOrAdd(
new ValueTuple <Type, string>(type, memberName),
typeAndName =>
{
DataMemberInfoesCacheEntry cache = GetDataMemberInfoesCache(type);
PropertyInfo propertyInfo;
if (cache.Properties.TryGetValue(typeAndName.Item2, out propertyInfo))
{
// TODO: Replace to expression compilation.
return((o, v) => propertyInfo.SetValue(o, v));
}
FieldInfo fieldInfo;
if (!cache.Fields.TryGetValue(typeAndName.Item2, out fieldInfo))
{
throw new KeyNotFoundException("Cannot find property or field with the specified name.");
}
// TODO: Replace to expression compilation.
return((o, v) => fieldInfo.SetValue(o, v));
});
setter.Invoke(obj, value);
}
//// TODO: add struct enumerable to improve performance.
/// <summary>
/// First part of the "get data member value" syntax.
/// </summary>
/// <param name="obj"><c>Object</c> to get data member value from.</param>
/// <returns><c>Object</c> data member value.</returns>
public static IReadOnlyCollection <ReflectedClassDataMember <object> > GetMembers(this object obj)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
Type type = obj.GetType();
DataMemberInfoesCacheEntry membersCache = GetDataMemberInfoesCache(type);
return
(membersCache.Fields.Values.Where(x => !x.Name.StartsWith("<") && !x.IsStatic)
.Union(
membersCache.Properties.Values.Where(
x => (!x.CanRead || !x.GetMethod.IsStatic) && (!x.CanWrite || !x.SetMethod.IsStatic))
.Cast <MemberInfo>())
.Select(x => new ReflectedClassDataMember <object>(type, obj, x.Name))
.ToList());
}
