Fix extension methods

This commit is contained in:
Nikolaj Geisle
2022-01-11 11:47:31 +01:00
parent 32b1225291
commit 521023372b
18 changed files with 255 additions and 220 deletions

View File

@@ -22,9 +22,9 @@ namespace Umbraco.Extensions
/// </summary>
public static class ObjectExtensions
{
private static readonly ConcurrentDictionary<Type, Type> NullableGenericCache = new ConcurrentDictionary<Type, Type>();
private static readonly ConcurrentDictionary<CompositeTypeTypeKey, TypeConverter> InputTypeConverterCache = new ConcurrentDictionary<CompositeTypeTypeKey, TypeConverter>();
private static readonly ConcurrentDictionary<CompositeTypeTypeKey, TypeConverter> DestinationTypeConverterCache = new ConcurrentDictionary<CompositeTypeTypeKey, TypeConverter>();
private static readonly ConcurrentDictionary<Type, Type?> NullableGenericCache = new ConcurrentDictionary<Type, Type?>();
private static readonly ConcurrentDictionary<CompositeTypeTypeKey, TypeConverter?> InputTypeConverterCache = new ConcurrentDictionary<CompositeTypeTypeKey, TypeConverter?>();
private static readonly ConcurrentDictionary<CompositeTypeTypeKey, TypeConverter?> DestinationTypeConverterCache = new ConcurrentDictionary<CompositeTypeTypeKey, TypeConverter?>();
private static readonly ConcurrentDictionary<CompositeTypeTypeKey, bool> AssignableTypeCache = new ConcurrentDictionary<CompositeTypeTypeKey, bool>();
private static readonly ConcurrentDictionary<Type, bool> BoolConvertCache = new ConcurrentDictionary<Type, bool>();
@@ -61,7 +61,7 @@ namespace Umbraco.Extensions
/// <typeparam name="T"></typeparam>
/// <param name="input">The input.</param>
/// <returns></returns>
public static T SafeCast<T>(this object input)
public static T? SafeCast<T>(this object input)
{
if (ReferenceEquals(null, input) || ReferenceEquals(default(T), input)) return default;
if (input is T variable) return variable;
@@ -77,11 +77,11 @@ namespace Umbraco.Extensions
/// <returns>The <see cref="Attempt{T}"/></returns>
public static Attempt<T> TryConvertTo<T>(this object? input)
{
Attempt<object> result = TryConvertTo(input, typeof(T));
Attempt<object?> result = TryConvertTo(input, typeof(T));
if (result.Success)
if (result.Success.HasValue && result.Success.Value)
{
return Attempt<T>.Succeed((T)result.Result);
return Attempt<T>.Succeed((T?)result.Result);
}
if (input == null)
@@ -94,7 +94,7 @@ namespace Umbraco.Extensions
else
{
// sure, null can be any object
return Attempt<T>.Succeed((T)input);
return Attempt<T>.Succeed((T)input!);
}
}
@@ -116,11 +116,11 @@ namespace Umbraco.Extensions
/// <param name="input">The input.</param>
/// <param name="target">The type to convert to</param>
/// <returns>The <see cref="Attempt{Object}"/></returns>
public static Attempt<object> TryConvertTo(this object input, Type target)
public static Attempt<object?> TryConvertTo(this object? input, Type target)
{
if (target == null)
{
return Attempt<object>.Fail();
return Attempt<object?>.Fail();
}
try
@@ -130,11 +130,11 @@ namespace Umbraco.Extensions
// Nullable is ok
if (target.IsGenericType && GetCachedGenericNullableType(target) != null)
{
return Attempt<object>.Succeed(null);
return Attempt<object?>.Succeed(null);
}
// Reference types are ok
return Attempt<object>.If(target.IsValueType == false, null);
return Attempt<object?>.If(target.IsValueType == false, null);
}
var inputType = input.GetType();
@@ -148,7 +148,7 @@ namespace Umbraco.Extensions
// Check for string so that overloaders of ToString() can take advantage of the conversion.
if (target == typeof(string))
{
return Attempt<object>.Succeed(input.ToString());
return Attempt<object?>.Succeed(input.ToString());
}
// If we've got a nullable of something, we try to convert directly to that thing.
@@ -165,7 +165,7 @@ namespace Umbraco.Extensions
// TODO: Why the check against only bool/date when a string is null/empty? In what scenario can we convert to another type when the string is null or empty other than just being null?
if (string.IsNullOrEmpty(inputString) && (underlying == typeof(DateTime) || underlying == typeof(bool)))
{
return Attempt<object>.Succeed(null);
return Attempt<object?>.Succeed(null);
}
}
@@ -173,13 +173,13 @@ namespace Umbraco.Extensions
var inner = input.TryConvertTo(underlying);
// And if successful, fall on through to rewrap in a nullable; if failed, pass on the exception
if (inner.Success)
if (inner.Success.HasValue && inner.Success.Value)
{
input = inner.Result; // Now fall on through...
}
else
{
return Attempt<object>.Fail(inner.Exception);
return Attempt<object?>.Fail(inner.Exception);
}
}
}
@@ -211,7 +211,7 @@ namespace Umbraco.Extensions
{
if (GetCachedCanConvertToBoolean(inputType))
{
return Attempt.Succeed(CustomBooleanTypeConverter.ConvertFrom(input));
return Attempt.Succeed(CustomBooleanTypeConverter.ConvertFrom(input!));
}
}
@@ -224,7 +224,7 @@ namespace Umbraco.Extensions
var outputConverter = GetCachedTargetTypeConverter(inputType, target);
if (outputConverter != null)
{
return Attempt.Succeed(outputConverter.ConvertFrom(input));
return Attempt.Succeed(outputConverter.ConvertFrom(input!));
}
if (target.IsGenericType && GetCachedGenericNullableType(target) != null)
@@ -243,10 +243,10 @@ namespace Umbraco.Extensions
}
catch (Exception e)
{
return Attempt<object>.Fail(e);
return Attempt<object?>.Fail(e);
}
return Attempt<object>.Fail();
return Attempt<object?>.Fail();
}
/// <summary>
@@ -256,12 +256,12 @@ namespace Umbraco.Extensions
/// <param name="input">The input.</param>
/// <param name="target">The type to convert to</param>
/// <returns>The <see cref="Nullable{Attempt}"/></returns>
private static Attempt<object>? TryConvertToFromString(this string input, Type target)
private static Attempt<object?>? TryConvertToFromString(this string input, Type target)
{
// Easy
if (target == typeof(string))
{
return Attempt<object>.Succeed(input);
return Attempt<object?>.Succeed(input);
}
// Null, empty, whitespaces
@@ -270,13 +270,13 @@ namespace Umbraco.Extensions
if (target == typeof(bool))
{
// null/empty = bool false
return Attempt<object>.Succeed(false);
return Attempt<object?>.Succeed(false);
}
if (target == typeof(DateTime))
{
// null/empty = min DateTime value
return Attempt<object>.Succeed(DateTime.MinValue);
return Attempt<object?>.Succeed(DateTime.MinValue);
}
// Cannot decide here,
@@ -296,25 +296,25 @@ namespace Umbraco.Extensions
{
if (int.TryParse(input, out var value))
{
return Attempt<object>.Succeed(value);
return Attempt<object?>.Succeed(value);
}
// Because decimal 100.01m will happily convert to integer 100, it
// makes sense that string "100.01" *also* converts to integer 100.
var input2 = NormalizeNumberDecimalSeparator(input);
return Attempt<object>.If(decimal.TryParse(input2, out var value2), Convert.ToInt32(value2));
return Attempt<object?>.If(decimal.TryParse(input2, out var value2), Convert.ToInt32(value2));
}
if (target == typeof(long))
{
if (long.TryParse(input, out var value))
{
return Attempt<object>.Succeed(value);
return Attempt<object?>.Succeed(value);
}
// Same as int
var input2 = NormalizeNumberDecimalSeparator(input);
return Attempt<object>.If(decimal.TryParse(input2, out var value2), Convert.ToInt64(value2));
return Attempt<object?>.If(decimal.TryParse(input2, out var value2), Convert.ToInt64(value2));
}
// TODO: Should we do the decimal trick for short, byte, unsigned?
@@ -323,7 +323,7 @@ namespace Umbraco.Extensions
{
if (bool.TryParse(input, out var value))
{
return Attempt<object>.Succeed(value);
return Attempt<object?>.Succeed(value);
}
// Don't declare failure so the CustomBooleanTypeConverter can try
@@ -334,38 +334,38 @@ namespace Umbraco.Extensions
switch (Type.GetTypeCode(target))
{
case TypeCode.Int16:
return Attempt<object>.If(short.TryParse(input, out var value), value);
return Attempt<object?>.If(short.TryParse(input, out var value), value);
case TypeCode.Double:
var input2 = NormalizeNumberDecimalSeparator(input);
return Attempt<object>.If(double.TryParse(input2, out var valueD), valueD);
return Attempt<object?>.If(double.TryParse(input2, out var valueD), valueD);
case TypeCode.Single:
var input3 = NormalizeNumberDecimalSeparator(input);
return Attempt<object>.If(float.TryParse(input3, out var valueF), valueF);
return Attempt<object?>.If(float.TryParse(input3, out var valueF), valueF);
case TypeCode.Char:
return Attempt<object>.If(char.TryParse(input, out var valueC), valueC);
return Attempt<object?>.If(char.TryParse(input, out var valueC), valueC);
case TypeCode.Byte:
return Attempt<object>.If(byte.TryParse(input, out var valueB), valueB);
return Attempt<object?>.If(byte.TryParse(input, out var valueB), valueB);
case TypeCode.SByte:
return Attempt<object>.If(sbyte.TryParse(input, out var valueSb), valueSb);
return Attempt<object?>.If(sbyte.TryParse(input, out var valueSb), valueSb);
case TypeCode.UInt32:
return Attempt<object>.If(uint.TryParse(input, out var valueU), valueU);
return Attempt<object?>.If(uint.TryParse(input, out var valueU), valueU);
case TypeCode.UInt16:
return Attempt<object>.If(ushort.TryParse(input, out var valueUs), valueUs);
return Attempt<object?>.If(ushort.TryParse(input, out var valueUs), valueUs);
case TypeCode.UInt64:
return Attempt<object>.If(ulong.TryParse(input, out var valueUl), valueUl);
return Attempt<object?>.If(ulong.TryParse(input, out var valueUl), valueUl);
}
}
else if (target == typeof(Guid))
{
return Attempt<object>.If(Guid.TryParse(input, out var value), value);
return Attempt<object?>.If(Guid.TryParse(input, out var value), value);
}
else if (target == typeof(DateTime))
{
@@ -375,34 +375,34 @@ namespace Umbraco.Extensions
{
case DateTimeKind.Unspecified:
case DateTimeKind.Utc:
return Attempt<object>.Succeed(value);
return Attempt<object?>.Succeed(value);
case DateTimeKind.Local:
return Attempt<object>.Succeed(value.ToUniversalTime());
return Attempt<object?>.Succeed(value.ToUniversalTime());
default:
throw new ArgumentOutOfRangeException();
}
}
return Attempt<object>.Fail();
return Attempt<object?>.Fail();
}
else if (target == typeof(DateTimeOffset))
{
return Attempt<object>.If(DateTimeOffset.TryParse(input, out var value), value);
return Attempt<object?>.If(DateTimeOffset.TryParse(input, out var value), value);
}
else if (target == typeof(TimeSpan))
{
return Attempt<object>.If(TimeSpan.TryParse(input, out var value), value);
return Attempt<object?>.If(TimeSpan.TryParse(input, out var value), value);
}
else if (target == typeof(decimal))
{
var input2 = NormalizeNumberDecimalSeparator(input);
return Attempt<object>.If(decimal.TryParse(input2, out var value), value);
return Attempt<object?>.If(decimal.TryParse(input2, out var value), value);
}
else if (input != null && target == typeof(Version))
{
return Attempt<object>.If(Version.TryParse(input, out var value), value);
return Attempt<object?>.If(Version.TryParse(input, out var value), value);
}
// E_NOTIMPL IPAddress, BigInteger
@@ -489,9 +489,9 @@ namespace Umbraco.Extensions
/// <param name="o"></param>
/// <param name="ignoreProperties"></param>
/// <returns></returns>
public static IDictionary<string, TVal> ToDictionary<T, TProperty, TVal>(this T o, params Expression<Func<T, TProperty>>[] ignoreProperties)
public static IDictionary<string, TVal>? ToDictionary<T, TProperty, TVal>(this T o, params Expression<Func<T, TProperty>>[] ignoreProperties)
{
return o.ToDictionary<TVal>(ignoreProperties.Select(e => o.GetPropertyInfo(e)).Select(propInfo => propInfo.Name).ToArray());
return o?.ToDictionary<TVal>(ignoreProperties.Select(e => o.GetPropertyInfo(e)).Select(propInfo => propInfo.Name).ToArray());
}
/// <summary>
@@ -521,7 +521,7 @@ namespace Umbraco.Extensions
internal static string ToDebugString(this object obj, int levels = 0)
internal static string? ToDebugString(this object? obj, int levels = 0)
{
if (obj == null) return "{null}";
try
@@ -589,7 +589,7 @@ namespace Umbraco.Extensions
/// <param name="value"></param>
/// <param name="type"></param>
/// <returns></returns>
internal static Attempt<string> TryConvertToXmlString(this object value, Type type)
internal static Attempt<string?> TryConvertToXmlString(this object value, Type type)
{
try
{
@@ -598,7 +598,7 @@ namespace Umbraco.Extensions
}
catch (NotSupportedException ex)
{
return Attempt<string>.Fail(ex);
return Attempt<string?>.Fail(ex);
}
}
@@ -608,7 +608,7 @@ namespace Umbraco.Extensions
/// <param name="value"></param>
/// <param name="type">The Type can only be a primitive type or Guid and byte[] otherwise an exception is thrown</param>
/// <returns></returns>
public static string ToXmlString(this object value, Type type)
public static string? ToXmlString(this object value, Type type)
{
if (value == null) return string.Empty;
if (type == typeof(string)) return (value.ToString().IsNullOrWhiteSpace() ? "" : value.ToString());
@@ -640,12 +640,12 @@ namespace Umbraco.Extensions
/// <typeparam name="T"></typeparam>
/// <param name="value"></param>
/// <returns></returns>
public static string ToXmlString<T>(this object value)
public static string? ToXmlString<T>(this object value)
{
return value.ToXmlString(typeof (T));
}
private static string GetEnumPropertyDebugString(object enumItem, int levels)
private static string? GetEnumPropertyDebugString(object enumItem, int levels)
{
try
{
@@ -657,7 +657,7 @@ namespace Umbraco.Extensions
}
}
private static string GetPropertyDebugString(PropertyInfo propertyInfo, object obj, int levels)
private static string? GetPropertyDebugString(PropertyInfo propertyInfo, object obj, int levels)
{
try
{
@@ -683,7 +683,7 @@ namespace Umbraco.Extensions
// gets a converter for source, that can convert to target, or null if none exists
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static TypeConverter GetCachedSourceTypeConverter(Type source, Type target)
private static TypeConverter? GetCachedSourceTypeConverter(Type source, Type target)
{
var key = new CompositeTypeTypeKey(source, target);
@@ -698,12 +698,13 @@ namespace Umbraco.Extensions
return InputTypeConverterCache[key] = converter;
}
return InputTypeConverterCache[key] = null;
InputTypeConverterCache[key] = null;
return null;
}
// gets a converter for target, that can convert from source, or null if none exists
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static TypeConverter GetCachedTargetTypeConverter(Type source, Type target)
private static TypeConverter? GetCachedTargetTypeConverter(Type source, Type target)
{
var key = new CompositeTypeTypeKey(source, target);
@@ -718,12 +719,13 @@ namespace Umbraco.Extensions
return DestinationTypeConverterCache[key] = converter;
}
return DestinationTypeConverterCache[key] = null;
DestinationTypeConverterCache[key] = null;
return null;
}
// gets the underlying type of a nullable type, or null if the type is not nullable
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static Type GetCachedGenericNullableType(Type type)
private static Type? GetCachedGenericNullableType(Type type)
{
if (NullableGenericCache.TryGetValue(type, out var underlyingType))
{
@@ -732,11 +734,12 @@ namespace Umbraco.Extensions
if (type.GetGenericTypeDefinition() == typeof(Nullable<>))
{
Type underlying = Nullable.GetUnderlyingType(type);
Type? underlying = Nullable.GetUnderlyingType(type);
return NullableGenericCache[type] = underlying;
}
return NullableGenericCache[type] = null;
NullableGenericCache[type] = null;
return null;
}
// gets an IConvertible from source to target type, or null if none exists