public void IfIsAssignableFrom <TType>([NoEnumeration] object instance, string message = null)
{
if (ReferenceEquals(instance, null) || PortableTypeInfo.IsAssignableFrom(instance, typeof(TType)))
{
throw string.IsNullOrEmpty(message) ? new TException() : NewWithMessage(message);
}
}
public void GetPublicPropertyValue_ShouldGetAllValuesForMyClass()
{
var x = new MyClass
{
A = 21,
B = "PINO",
C = decimal.One,
D = Math.PI
};
var props = PortableTypeInfo.GetPublicProperties <MyClass>();
Assert.AreEqual(x.A, PortableTypeInfo.GetPublicPropertyValue(x, props.First(p => p.Name == nameof(MyClass.A))));
Assert.AreEqual(x.B, PortableTypeInfo.GetPublicPropertyValue(x, props.First(p => p.Name == nameof(MyClass.B))));
Assert.AreEqual(x.C, PortableTypeInfo.GetPublicPropertyValue(x, props.First(p => p.Name == nameof(MyClass.C))));
Assert.AreEqual(x.D, PortableTypeInfo.GetPublicPropertyValue(x, props.First(p => p.Name == nameof(MyClass.D))));
#if !(NETSTD10 || NETSTD11)
var typeAccessor = Thrower.Reflection.FastMember.TypeAccessor.Create <MyClass>();
Assert.AreEqual(x.A, PortableTypeInfo.GetPublicPropertyValue(typeAccessor, x, props.First(p => p.Name == nameof(MyClass.A))));
Assert.AreEqual(x.B, PortableTypeInfo.GetPublicPropertyValue(typeAccessor, x, props.First(p => p.Name == nameof(MyClass.B))));
Assert.AreEqual(x.C, PortableTypeInfo.GetPublicPropertyValue(typeAccessor, x, props.First(p => p.Name == nameof(MyClass.C))));
Assert.AreEqual(x.D, PortableTypeInfo.GetPublicPropertyValue(typeAccessor, x, props.First(p => p.Name == nameof(MyClass.D))));
#endif
}
private static bool IsFullyPublic(Type type, PropertyInfo[] props, bool allowNonPublicAccessors)
{
while (PortableTypeInfo.IsNestedPublic(type))
{
type = type.DeclaringType;
}
if (!PortableTypeInfo.IsPublic(type))
{
return(false);
}
if (allowNonPublicAccessors)
{
for (int i = 0; i < props.Length; i++)
{
if (props[i].GetGetMethod(true) != null && props[i].GetGetMethod(false) == null)
{
return(false); // non-public getter
}
if (props[i].GetSetMethod(true) != null && props[i].GetSetMethod(false) == null)
{
return(false); // non-public setter
}
}
}
return(true);
}
/// <summary>
/// Throws an exception of type <typeparamref name="TException"/> if and only if specified
/// object has not given type.
/// </summary>
/// <param name="instance">The object to be tested.</param>
/// <param name="type">The type the object must not have.</param>
/// <param name="message">The optional message.</param>
/// <exception cref="Exception">
/// If given condition is true, an exception of type <typeparamref name="TException"/> is thrown.
/// </exception>
public void IfIsNotInstanceOf([NoEnumeration] object instance, Type type, string message = null)
{
if (!PortableTypeInfo.IsInstanceOf(instance, type))
{
throw string.IsNullOrEmpty(message) ? new TException() : NewWithMessage(message);
}
}
/// <summary>
/// Formats given key-value pair in order to use it for <see cref="object.ToString"/>.
/// </summary>
/// <param name="pair">Key-value pair.</param>
/// <returns>Formatted key-value pair.</returns>
public static string ToString(KeyValuePair <string, object> pair)
{
var k = pair.Key;
var v = pair.Value;
if (v == null)
{
return($"{k}: null");
}
var s = v as string;
if (s != null)
{
return($"{k}: \"{s}\"");
}
var t = v.GetType();
if (PortableTypeInfo.IsPrimitive(t))
{
return($"{k}: {v}");
}
return($"{k}: {{{v}}}");
}
public void GetPublicProperties_ShouldReturnAllPropertiesOfMyInterface()
{
var props = PortableTypeInfo.GetPublicProperties <MyInterface>();
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyInterface.A)));
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyInterface.B)));
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyInterface.C)));
}
public void GetPublicProperties_ShouldReturnAllPropertiesOfMyStruct()
{
var props = PortableTypeInfo.GetPublicProperties <MyStruct>();
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyStruct.A)));
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyStruct.B)));
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyStruct.C)));
Assert.AreEqual(0, props.Count(p => p.Name == "P"));
}
/// <summary>
/// Ensures given enumeration value is defined in specified enumeration type.
/// </summary>
/// <typeparam name="TEnum">The enumeration type.</typeparam>
/// <param name="value">The enumeration value.</param>
/// <returns>
/// True if given enumeration value is defined in specified enumeration type, false otherwise.
/// </returns>
/// <remarks>This also works when enumeration has been decorated with <see cref="FlagsAttribute"/>.</remarks>
public static bool Validate <TEnum>(TEnum?value)
where TEnum : struct
{
if (!PortableTypeInfo.IsEnum(CachedEnumValidator <TEnum> .EnumType))
{
return(false);
}
return(value.HasValue ? Validate(value.Value) : true);
}
private static ConstructorInfo GetCtor(IList <Type> ctorTypes)
{
return((from c in PortableTypeInfo.GetConstructors(typeof(TEx))
let args = c.GetParameters()
let zipArgs = MyZip(args, ctorTypes, (argType, ctorType) => new { argType, ctorType })
where args.Length == ctorTypes.Count &&
(c.IsPublic || c.IsAssembly) &&
zipArgs.All(t => ReferenceEquals(t.argType.ParameterType, t.ctorType))
select c).FirstOrDefault());
}
public void GetPublicProperties_ShouldReturnAllPropertiesOfMyClass()
{
var props = PortableTypeInfo.GetPublicProperties <MyClass>();
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyClass.A)));
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyClass.B)));
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyClass.C)));
Assert.AreEqual(1, props.Count(p => p.Name == nameof(MyAbstractClass.D)));
Assert.AreEqual(0, props.Count(p => p.Name == "P"));
}
/// <summary>
/// Ensures given enumeration value is defined in specified enumeration type.
/// </summary>
/// <param name="enumType">The enumeration type.</param>
/// <param name="value">The enumeration value.</param>
/// <returns>
/// True if given enumeration value is defined in specified enumeration type, false otherwise.
/// </returns>
/// <remarks>This also works when enumeration has been decorated with <see cref="FlagsAttribute"/>.</remarks>
public static bool Validate(Type enumType, object value)
{
bool?isReallyAnEnum = null;
if (PortableTypeInfo.IsGenericType(enumType) && ReferenceEquals(PortableTypeInfo.GetGenericTypeDefinition(enumType), typeof(Nullable <>)))
{
var innerEnumType = PortableTypeInfo.GetGenericTypeArguments(enumType)[0];
isReallyAnEnum = PortableTypeInfo.IsEnum(innerEnumType);
if (isReallyAnEnum.Value && ReferenceEquals(value, null))
{
// Nullable enum with null value, OK.
return(true);
}
if (value.GetType() == enumType)
{
if (!PortableTypeInfo.GetPublicPropertyValue <bool>(value, nameof(Nullable <byte> .HasValue)))
{
// OK if we are really handling an enumeration.
return(isReallyAnEnum.Value);
}
value = PortableTypeInfo.GetPublicPropertyValue(value, nameof(Nullable <byte> .Value));
}
// Overwrite enumeration type with the inner one, since we are sure that value has
// that type; in fact, above if ensures that condition.
enumType = innerEnumType;
}
if ((isReallyAnEnum.HasValue && !isReallyAnEnum.Value) || !PortableTypeInfo.IsEnum(enumType))
{
// If we are not handling an enum, then exit now.
return(false);
}
if (Enum.IsDefined(enumType, value))
{
return(true);
}
var hasFlagsAttribute = TypeHasFlagsAttribute(enumType);
if (hasFlagsAttribute)
{
var mask = 0;
foreach (var enumValue in Enum.GetValues(enumType))
{
mask = mask | (int)enumValue;
}
var intValue = (int)value;
return((mask & intValue) == intValue);
}
return(false);
}
/// <summary>
/// Ensures given enumeration value is defined in specified enumeration type.
/// </summary>
/// <typeparam name="TEnum">The enumeration type.</typeparam>
/// <param name="value">The enumeration value.</param>
/// <returns>
/// True if given enumeration value is defined in specified enumeration type, false otherwise.
/// </returns>
/// <remarks>This also works when enumeration has been decorated with <see cref="FlagsAttribute"/>.</remarks>
public static bool Validate <TEnum>(TEnum value)
where TEnum : struct
{
if (!PortableTypeInfo.IsEnum(CachedEnumValidator <TEnum> .EnumType))
{
return(false);
}
if (Enum.IsDefined(CachedEnumValidator <TEnum> .EnumType, value))
{
return(true);
}
if (CachedEnumValidator <TEnum> .HasFlagsAttribute)
{
var intValue = PortableTypeInfo.CastTo <int> .From(value);
return((CachedEnumValidator <TEnum> .Mask & intValue) == intValue);
}
return(false);
}
private static void Cast(ILGenerator il, Type type, bool valueAsPointer)
{
if (type == typeof(object))
{
}
else if (PortableTypeInfo.IsValueType(type))
{
if (valueAsPointer)
{
il.Emit(OpCodes.Unbox, type);
}
else
{
il.Emit(OpCodes.Unbox_Any, type);
}
}
else
{
il.Emit(OpCodes.Castclass, type);
}
}
/// <summary>
/// Converts given string into the specified enumeration value, applying the specified
/// filter on casing.
/// </summary>
/// <typeparam name="TEnum">The type of the enumeration.</typeparam>
/// <param name="enumString">The string value of one enumeration value.</param>
/// <param name="ignoreCase">Whether to consider casing or not while parsing the string.</param>
/// <returns>An enumeration value parsed from given string.</returns>
/// <exception cref="InvalidOperationException">
/// Given type parameter <typeparamref name="TEnum"/> is not an enum.
/// </exception>
/// <exception cref="ArgumentException">
/// Given value cannot be mapped to any enum value.
/// </exception>
public static TEnum ToEnum <TEnum>(this string enumString, bool ignoreCase)
where TEnum : struct
{
var enumType = typeof(TEnum);
Raise.InvalidOperationException.IfNot(PortableTypeInfo.IsEnum(enumType), "Given type is not an enumeration");
#if NET35
var enumValue = Enum.Parse(enumType, enumString, ignoreCase);
if (Enum.IsDefined(enumType, enumValue))
{
return((TEnum)enumValue);
}
#else
TEnum enumValue;
if (Enum.TryParse(enumString, ignoreCase, out enumValue))
{
return(enumValue);
}
#endif
throw new ArgumentException($"Given value is not available for {enumType.Name}", nameof(enumString));
}
/// <summary>
/// Converts given string into the specified enumeration value, applying the specified
/// filter on casing. If given string cannot be mapped to any enum value, then default
/// value for <typeparamref name="TEnum"/> is returned.
/// </summary>
/// <typeparam name="TEnum">The type of the enumeration.</typeparam>
/// <param name="enumString">The string value of one enumeration value.</param>
/// <param name="ignoreCase">Whether to consider casing or not while parsing the string.</param>
/// <returns>
/// An enumeration value parsed from given string or default enum value if that is not possible.
/// </returns>
/// <exception cref="InvalidOperationException">
/// Given type parameter <typeparamref name="TEnum"/> is not an enum.
/// </exception>
public static TEnum ToEnumOrDefault <TEnum>(this string enumString, bool ignoreCase)
where TEnum : struct
{
var enumType = typeof(TEnum);
Raise.InvalidOperationException.IfNot(PortableTypeInfo.IsEnum(enumType), "Given type is not an enumeration");
#if NET35
var enumValue = Enum.Parse(enumType, enumString, ignoreCase);
if (Enum.IsDefined(enumType, enumValue))
{
return((TEnum)enumValue);
}
#else
TEnum enumValue;
if (Enum.TryParse(enumString, ignoreCase, out enumValue))
{
return(enumValue);
}
#endif
// Not found, return default value.
return(default(TEnum));
}
public void GetBaseType_ShouldReturnMyAbstractClass()
{
Assert.AreSame(typeof(MyAbstractClass), PortableTypeInfo.GetBaseType(typeof(MyClass)));
}
public void IsValueType_ShouldReturnTrueWithStruct()
{
Assert.IsTrue(PortableTypeInfo.IsValueType(typeof(MyStruct)));
Assert.IsTrue(PortableTypeInfo.IsValueType <MyStruct>());
}
public void IsPrimitive_ShouldReturnFalseWithEnum()
{
Assert.IsFalse(PortableTypeInfo.IsPrimitive(typeof(MyEnum)));
Assert.IsFalse(PortableTypeInfo.IsPrimitive <MyEnum>());
}
private static bool ValidateInternal(object obj, string path, ValidateAttribute validation, IList <ValidationError> validationErrors)
{
if (ReferenceEquals(obj, null))
{
if (validation.Required)
{
validationErrors.Add(new ValidationError(path, "Property is required, found null"));
return(false);
}
// If object is null, we cannot do anything else.
return(true);
}
var objType = obj.GetType();
if (AlwaysValidTypes.Contains(objType) || PortableTypeInfo.IsEnum(objType))
{
return(true);
}
var isValueType = PortableTypeInfo.IsValueType(objType);
// Check whether this type is nullable.
if (validation.Required && isValueType && PortableTypeInfo.IsGenericType(objType) && objType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
var nullableProps = PortableTypeInfo.GetPublicProperties(objType);
var nullableHasValueProp = nullableProps.First(p => p.Name == nameof(Nullable <bool> .HasValue));
if ((bool)PortableTypeInfo.GetPublicPropertyValue(obj, nullableHasValueProp))
{
validationErrors.Add(new ValidationError(path, "Property is required, found null"));
return(false);
}
var nullableValueProp = nullableProps.First(p => p.Name == nameof(Nullable <bool> .Value));
var nullableValue = PortableTypeInfo.GetPublicPropertyValue(obj, nullableValueProp);
return(ValidateInternal(nullableValue, path, validation, validationErrors));
}
var collection = obj as ICollection;
if (collection != null)
{
var c = collection.Count;
if (c < validation.CollectionItemsMinCount)
{
validationErrors.Add(new ValidationError(path, $"Minimum item count is {validation.CollectionItemsMinCount}, found {c}"));
}
if (c > validation.CollectionItemsMaxCount)
{
validationErrors.Add(new ValidationError(path, $"Maximum item count is {validation.CollectionItemsMaxCount}, found {c}"));
}
}
var enumerable = obj as IEnumerable;
if (enumerable != null && validation.Enumerable)
{
var itemValidation = new ValidateAttribute {
Required = validation.EnumerableItemsRequired
};
var index = 0;
foreach (var item in enumerable)
{
var indexedNewPath = $"{path}[{index++}]";
ValidateInternal(item, indexedNewPath, itemValidation, validationErrors);
}
}
if (PortableTypeInfo.IsClass(objType) || isValueType)
{
var props = PortableTypeInfo.GetPublicProperties(objType);
var reqProps = from p in props
from a in PortableTypeInfo.GetCustomAttributes(p, false)
let v = a as ValidateAttribute
where v != null
select new { PropertyInfo = p, Validation = v };
#if !(NETSTD10 || NETSTD11) && FAST_MEMBER
var typeAccessor = Reflection.FastMember.TypeAccessor.Create(objType);
#endif
foreach (var rp in reqProps)
{
var propertyInfo = rp.PropertyInfo;
#if !(NETSTD10 || NETSTD11) && FAST_MEMBER
var propertyValue = PortableTypeInfo.GetPublicPropertyValue(typeAccessor, obj, propertyInfo);
#else
var propertyValue = PortableTypeInfo.GetPublicPropertyValue(obj, propertyInfo);
#endif
var newPath = $"{path}.{propertyInfo.Name}";
ValidateInternal(propertyValue, newPath, rp.Validation, validationErrors);
}
return(validationErrors.Count == 0);
}
// Non dovrei mai finire qui!
return(true);
}
public void IsPrimitive_ShouldReturnFalseWithInterface()
{
Assert.IsFalse(PortableTypeInfo.IsPrimitive(typeof(MyInterface)));
}
public void IsPrimitive_ShouldReturnFalseWithStruct()
{
Assert.IsFalse(PortableTypeInfo.IsPrimitive(typeof(MyStruct)));
Assert.IsFalse(PortableTypeInfo.IsPrimitive <MyStruct>());
}
public void IsPrimitive_ShouldReturnFalseWithAbstractClass()
{
Assert.IsFalse(PortableTypeInfo.IsPrimitive(typeof(MyAbstractClass)));
}
private static bool TypeHasFlagsAttribute(Type enumType) => PortableTypeInfo .GetCustomAttributes(enumType, true) ?.Any(a => a is FlagsAttribute) ?? false;
public void IsPrimitive_ShouldReturnTrueWithPrimitive()
{
Assert.IsTrue(PortableTypeInfo.IsPrimitive(typeof(int)));
Assert.IsTrue(PortableTypeInfo.IsPrimitive <int>());
}
private static TypeAccessor CreateNew(Type type, bool allowNonPublicAccessors)
{
#if !NET35
if (typeof(IDynamicMetaObjectProvider).IsAssignableFrom(type))
{
return(DynamicAccessor.Singleton);
}
#endif
var props = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
var fields = type.GetFields(BindingFlags.Public | BindingFlags.Instance);
var map = new Dictionary <string, int>();
var members = new List <MemberInfo>(props.Length + fields.Length);
var i = 0;
foreach (var prop in props)
{
if (!map.ContainsKey(prop.Name) && prop.GetIndexParameters().Length == 0)
{
map.Add(prop.Name, i++);
members.Add(prop);
}
}
foreach (var field in fields)
{
if (!map.ContainsKey(field.Name))
{
map.Add(field.Name, i++); members.Add(field);
}
}
ConstructorInfo ctor = null;
if (PortableTypeInfo.IsClass(type) && !PortableTypeInfo.IsAbstract(type))
{
ctor = type.GetConstructor(PortableTypeInfo.EmptyTypes);
}
ILGenerator il;
if (!IsFullyPublic(type, props, allowNonPublicAccessors))
{
var dynGetter = new DynamicMethod(type.FullName + "_get", typeof(object), new Type[] { typeof(int), typeof(object) }, type, true);
var dynSetter = new DynamicMethod(type.FullName + "_set", null, new Type[] { typeof(int), typeof(object), typeof(object) }, type, true);
WriteMapImpl(dynGetter.GetILGenerator(), type, members, null, allowNonPublicAccessors, true);
WriteMapImpl(dynSetter.GetILGenerator(), type, members, null, allowNonPublicAccessors, false);
DynamicMethod dynCtor = null;
if (ctor != null)
{
dynCtor = new DynamicMethod(type.FullName + "_ctor", typeof(object), PortableTypeInfo.EmptyTypes, type, true);
il = dynCtor.GetILGenerator();
il.Emit(OpCodes.Newobj, ctor);
il.Emit(OpCodes.Ret);
}
return(new DelegateAccessor(
map,
(Func <int, object, object>)dynGetter.CreateDelegate(typeof(Func <int, object, object>)),
(Action <int, object, object>)dynSetter.CreateDelegate(typeof(Action <int, object, object>)),
dynCtor == null ? null : (Func <object>)dynCtor.CreateDelegate(typeof(Func <object>)), type));
}
// note this region is synchronized; only one is being created at a time so we don't need
// to stress about the builders
if (assembly == null)
{
var name = new AssemblyName("FastMember_dynamic");
#if (NETSTD13 || NETSTD20)
assembly = AssemblyBuilder.DefineDynamicAssembly(name, AssemblyBuilderAccess.Run);
#else
assembly = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.Run);
#endif
module = assembly.DefineDynamicModule(name.Name);
}
#if (NETSTD13 || NETSTD20)
var attribs = typeof(TypeAccessor).GetTypeInfo().Attributes;
#else
var attribs = typeof(TypeAccessor).Attributes;
#endif
var tb = module.DefineType("FastMember_dynamic." + type.Name + "_" + GetNextCounterValue(),
(attribs | TypeAttributes.Sealed | TypeAttributes.Public) & ~(TypeAttributes.Abstract | TypeAttributes.NotPublic), typeof(RuntimeTypeAccessor));
il = tb.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, new[] {
typeof(Dictionary <string, int>)
}).GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
var mapField = tb.DefineField("_map", typeof(Dictionary <string, int>), FieldAttributes.InitOnly | FieldAttributes.Private);
il.Emit(OpCodes.Stfld, mapField);
il.Emit(OpCodes.Ret);
var indexer = typeof(TypeAccessor).GetProperty("Item");
var baseGetter = indexer.GetGetMethod();
var baseSetter = indexer.GetSetMethod();
var body = tb.DefineMethod(baseGetter.Name, baseGetter.Attributes & ~MethodAttributes.Abstract, typeof(object), new Type[] { typeof(object), typeof(string) });
il = body.GetILGenerator();
WriteMapImpl(il, type, members, mapField, allowNonPublicAccessors, true);
tb.DefineMethodOverride(body, baseGetter);
body = tb.DefineMethod(baseSetter.Name, baseSetter.Attributes & ~MethodAttributes.Abstract, null, new Type[] { typeof(object), typeof(string), typeof(object) });
il = body.GetILGenerator();
WriteMapImpl(il, type, members, mapField, allowNonPublicAccessors, false);
tb.DefineMethodOverride(body, baseSetter);
MethodInfo baseMethod;
if (ctor != null)
{
baseMethod = typeof(TypeAccessor).GetProperty(nameof(CreateNewSupported)).GetGetMethod();
body = tb.DefineMethod(baseMethod.Name, baseMethod.Attributes, baseMethod.ReturnType, PortableTypeInfo.EmptyTypes);
il = body.GetILGenerator();
il.Emit(OpCodes.Ldc_I4_1);
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(body, baseMethod);
baseMethod = typeof(TypeAccessor).GetMethod(nameof(CreateNew));
body = tb.DefineMethod(baseMethod.Name, baseMethod.Attributes, baseMethod.ReturnType, PortableTypeInfo.EmptyTypes);
il = body.GetILGenerator();
il.Emit(OpCodes.Newobj, ctor);
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(body, baseMethod);
}
baseMethod = typeof(RuntimeTypeAccessor).GetProperty("Type", BindingFlags.NonPublic | BindingFlags.Instance).GetGetMethod(true);
body = tb.DefineMethod(baseMethod.Name, baseMethod.Attributes & ~MethodAttributes.Abstract, baseMethod.ReturnType, PortableTypeInfo.EmptyTypes);
il = body.GetILGenerator();
il.Emit(OpCodes.Ldtoken, type);
il.Emit(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle"));
il.Emit(OpCodes.Ret);
tb.DefineMethodOverride(body, baseMethod);
#if (NETSTD13 || NETSTD20)
var typeToBeCreated = tb.CreateTypeInfo().AsType();
#else
var typeToBeCreated = tb.CreateType();
#endif
var accessor = (TypeAccessor)Activator.CreateInstance(typeToBeCreated, map);
return(accessor);
}
private static void WriteMapImpl(ILGenerator il, Type type, List <MemberInfo> members, FieldBuilder mapField, bool allowNonPublicAccessors, bool isGet)
{
OpCode obj, index, value;
var fail = il.DefineLabel();
if (mapField == null)
{
index = OpCodes.Ldarg_0;
obj = OpCodes.Ldarg_1;
value = OpCodes.Ldarg_2;
}
else
{
il.DeclareLocal(typeof(int));
index = OpCodes.Ldloc_0;
obj = OpCodes.Ldarg_1;
value = OpCodes.Ldarg_3;
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, mapField);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldloca_S, (byte)0);
il.EmitCall(OpCodes.Callvirt, tryGetValue, null);
il.Emit(OpCodes.Brfalse, fail);
}
var labels = new Label[members.Count];
for (int i = 0; i < labels.Length; i++)
{
labels[i] = il.DefineLabel();
}
il.Emit(index);
il.Emit(OpCodes.Switch, labels);
il.MarkLabel(fail);
il.Emit(OpCodes.Ldstr, "name");
il.Emit(OpCodes.Newobj, typeof(ArgumentOutOfRangeException).GetConstructor(new Type[] { typeof(string) }));
il.Emit(OpCodes.Throw);
for (int i = 0; i < labels.Length; i++)
{
il.MarkLabel(labels[i]);
var member = members[i];
var isFail = true;
FieldInfo field;
PropertyInfo prop;
if ((field = member as FieldInfo) != null)
{
il.Emit(obj);
Cast(il, type, true);
if (isGet)
{
il.Emit(OpCodes.Ldfld, field);
if (PortableTypeInfo.IsValueType(field.FieldType))
{
il.Emit(OpCodes.Box, field.FieldType);
}
}
else
{
il.Emit(value);
Cast(il, field.FieldType, false);
il.Emit(OpCodes.Stfld, field);
}
il.Emit(OpCodes.Ret);
isFail = false;
}
else if ((prop = member as PropertyInfo) != null)
{
MethodInfo accessor;
if (prop.CanRead && (accessor = isGet ? prop.GetGetMethod(allowNonPublicAccessors) : prop.GetSetMethod(allowNonPublicAccessors)) != null)
{
il.Emit(obj);
Cast(il, type, true);
if (isGet)
{
il.EmitCall(PortableTypeInfo.IsValueType(type) ? OpCodes.Call : OpCodes.Callvirt, accessor, null);
if (PortableTypeInfo.IsValueType(prop.PropertyType))
{
il.Emit(OpCodes.Box, prop.PropertyType);
}
}
else
{
il.Emit(value);
Cast(il, prop.PropertyType, false);
il.EmitCall(PortableTypeInfo.IsValueType(type) ? OpCodes.Call : OpCodes.Callvirt, accessor, null);
}
il.Emit(OpCodes.Ret);
isFail = false;
}
}
if (isFail)
{
il.Emit(OpCodes.Br, fail);
}
}
}
/// <summary> /// Gets attribute type. /// </summary> /// <param name="attributeType">The attribute type.</param> /// <param name="inherit"> /// If true, specifies to also search the ancestors of element for custom attributes. /// </param> public Attribute GetAttribute(Type attributeType, bool inherit) => PortableTypeInfo .GetCustomAttributes(member, inherit) .FirstOrDefault(a => PortableTypeInfo.IsInstanceOf(a, attributeType));
#pragma warning restore CC0022 // Should dispose object
/// <summary>
/// Creates a new ObjectReader instance for reading the supplied data.
/// </summary>
/// <param name="type">The expected Type of the information to be read.</param>
/// <param name="source">The sequence of objects to represent.</param>
/// <param name="members">The members that should be exposed to the reader.</param>
public ObjectReader(Type type, IEnumerable source, params string[] members)
{
if (source == null)
{
throw new ArgumentOutOfRangeException(nameof(source));
}
var allMembers = members == null || members.Length == 0;
this._accessor = TypeAccessor.Create(type);
if (_accessor.GetMembersSupported)
{
var typeMembers = this._accessor.GetMembers();
if (allMembers)
{
members = new string[typeMembers.Count];
for (int i = 0; i < members.Length; i++)
{
members[i] = typeMembers[i].Name;
}
}
this._allowNull = new BitArray(members.Length);
this._effectiveTypes = new Type[members.Length];
for (int i = 0; i < members.Length; i++)
{
Type memberType = null;
var allowNull = true;
var hunt = members[i];
foreach (var member in typeMembers)
{
if (member.Name == hunt)
{
if (memberType == null)
{
var tmp = member.Type;
memberType = Nullable.GetUnderlyingType(tmp) ?? tmp;
allowNull = !(PortableTypeInfo.IsValueType(memberType) && memberType == tmp);
// but keep checking, in case of duplicates
}
else
{
memberType = null; // duplicate found; say nothing
break;
}
}
}
this._allowNull[i] = allowNull;
this._effectiveTypes[i] = memberType ?? typeof(object);
}
}
else if (allMembers)
{
throw new InvalidOperationException("Member information is not available for this type; the required members must be specified explicitly");
}
this._current = null;
this._memberNames = (string[])members.Clone();
this._source = source.GetEnumerator();
}
public void IsValueType_ShouldReturnFalseWithClass()
{
Assert.IsFalse(PortableTypeInfo.IsValueType(typeof(MyClass)));
}
public void IsValueType_ShouldReturnTrueWithEnum()
{
Assert.IsTrue(PortableTypeInfo.IsValueType(typeof(MyEnum)));
Assert.IsTrue(PortableTypeInfo.IsValueType <MyEnum>());
}
