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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| namespace Fluxera.ValueObject | ||
| { | ||
| using JetBrains.Annotations; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Numerics; | ||
| using System.Runtime.CompilerServices; | ||
|
|
||
| internal static class Guard | ||
| { | ||
| public static T ThrowIfNull<T>(T argument, [InvokerParameterName] [CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| ArgumentNullException.ThrowIfNull(argument, parameterName); | ||
|
|
||
| return argument; | ||
| } | ||
|
|
||
| public static string ThrowIfNullOrEmpty(string argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| argument = ThrowIfNull(argument, parameterName); | ||
|
|
||
| if(string.IsNullOrEmpty(argument)) | ||
| { | ||
| throw new ArgumentException("Value cannot be empty.", parameterName); | ||
| } | ||
|
|
||
| return argument; | ||
| } | ||
|
|
||
| public static string ThrowIfNullOrWhiteSpace(string argument, [InvokerParameterName][CallerArgumentExpression("argument")] string parameterName = null) | ||
| { | ||
| argument = ThrowIfNull(argument, parameterName); | ||
|
|
||
| if(string.IsNullOrWhiteSpace(argument)) | ||
| { | ||
| throw new ArgumentException("Value cannot be whitespace-only.", parameterName); | ||
| } | ||
|
|
||
| return argument; | ||
| } | ||
|
|
||
| public static bool ThrowIfFalse(bool argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null, string message = null) | ||
| { | ||
| if(!argument) | ||
| { | ||
| throw new ArgumentException(message ?? "Value cannot be false.", parameterName); | ||
| } | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| public static IEnumerable<T> ThrowIfNullOrEmpty<T>(IEnumerable<T> argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| argument = ThrowIfNull(argument, parameterName); | ||
|
|
||
| // ReSharper disable PossibleMultipleEnumeration | ||
| if(!argument.Any()) | ||
| { | ||
| throw new ArgumentException("Enumerable cannot be empty.", parameterName); | ||
| } | ||
|
|
||
| return argument; | ||
| // ReSharper enable PossibleMultipleEnumeration | ||
| } | ||
|
|
||
| #if NET7_0_OR_GREATER | ||
| public static T ThrowIfNegative<T>(T argument, [InvokerParameterName] [CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| where T : INumber<T> | ||
| { | ||
| if(T.IsNegative(argument)) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
|
||
| return argument; | ||
| } | ||
| #endif | ||
|
|
||
| #if NET6_0 | ||
| public static byte ThrowIfNegative(byte argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| if(argument < 0) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
|
||
| return argument; | ||
| } | ||
|
|
||
| public static short ThrowIfNegative(short argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| if(argument < 0) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
|
||
| return argument; | ||
| } | ||
|
|
||
| public static int ThrowIfNegative(int argument, [InvokerParameterName] [CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| if(argument < 0) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
|
||
| return argument; | ||
| } | ||
|
|
||
| public static long ThrowIfNegative(long argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| if(argument < 0) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
|
||
| return argument; | ||
| } | ||
| #endif | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| namespace Fluxera.ValueObject | ||
| { | ||
| using System; | ||
| using System.Collections.Generic; | ||
|
|
||
| internal static class TypeExtensions | ||
| { | ||
| private static readonly HashSet<Type> ExtraPrimitiveTypes = | ||
| [ | ||
| typeof(string), | ||
| typeof(decimal), | ||
| typeof(DateOnly), | ||
| typeof(TimeOnly), | ||
| typeof(DateTime), | ||
| typeof(DateTimeOffset), | ||
| typeof(TimeSpan), | ||
| typeof(Guid) | ||
| ]; | ||
|
|
||
| /// <summary> | ||
| /// Determines whether the specified type is a primitive. It automatically | ||
| /// unwraps the wrapped type of the nullable. | ||
| /// </summary> | ||
| /// <param name="type">The type.</param> | ||
| /// <param name="includeEnums">If set to <c>true</c> include enums.</param> | ||
| /// <returns> | ||
| /// <c>true</c> if the specified type is a primitive; otherwise, <c>false</c>. | ||
| /// </returns> | ||
| public static bool IsPrimitive(this Type type, bool includeEnums = false) | ||
| { | ||
| type = type.UnwrapNullableType(); | ||
|
|
||
| if(type.IsPrimitive) | ||
| { | ||
| return true; | ||
| } | ||
|
|
||
| if(includeEnums && type.IsEnum) | ||
| { | ||
| return true; | ||
| } | ||
|
|
||
| return ExtraPrimitiveTypes.Contains(type); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Gets the type without nullable if the type is a <see cref="Nullable{T}" />. | ||
| /// </summary> | ||
| /// <param name="type">The type.</param> | ||
| /// <returns></returns> | ||
| private static Type UnwrapNullableType(this Type type) | ||
| { | ||
| return Nullable.GetUnderlyingType(type) ?? type; | ||
| } | ||
| } | ||
| } |