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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;
namespace Microsoft.AspNetCore.Shared;
#nullable enable
internal static partial class ArgumentThrowHelper
{
/// <summary>Throws an <see cref="ArgumentNullException"/> if <paramref name="argument"/> is null or an <see cref="ArgumentException"/> if it is empty.</summary>
/// <param name="argument">The reference type argument to validate as neither null nor empty.</param>
/// <param name="paramName">The name of the parameter with which <paramref name="argument"/> corresponds.</param>
public static void ThrowIfNullOrEmpty(
#if INTERNAL_NULLABLE_ATTRIBUTES || NETSTANDARD2_1_OR_GREATER || NET5_0_OR_GREATER
[NotNull]
#endif
string? argument, [CallerArgumentExpression(nameof(argument))] string? paramName = null)
{
#if !NET7_0_OR_GREATER || NETSTANDARD || NETFRAMEWORK
if (argument is null || argument == string.Empty)
{
ArgumentNullThrowHelper.ThrowIfNull(argument);
Throw(paramName);
}
#else
ArgumentException.ThrowIfNullOrEmpty(argument, paramName);
#endif
}
#if !NET7_0_OR_GREATER || NETSTANDARD || NETFRAMEWORK
#if INTERNAL_NULLABLE_ATTRIBUTES || NETSTANDARD2_1_OR_GREATER || NET5_0_OR_GREATER
[DoesNotReturn]
#endif
internal static void Throw(string? paramName) =>
throw new ArgumentException("The value cannot be an empty string.", paramName);
#endif
/// <summary>Throws an <see cref="ArgumentNullException"/> if <paramref name="argument"/> is null or an <see cref="ArgumentException"/> if it is empty or whitespace.</summary>
/// <param name="argument">The reference type argument to validate as neither null nor empty nor whitespace.</param>
/// <param name="paramName">The name of the parameter with which <paramref name="argument"/> corresponds.</param>
public static void ThrowIfNullOrWhiteSpace(
#if INTERNAL_NULLABLE_ATTRIBUTES || NETSTANDARD2_1_OR_GREATER || NET5_0_OR_GREATER
[NotNull]
#endif
string? argument, [CallerArgumentExpression(nameof(argument))] string? paramName = null)
{
ArgumentNullThrowHelper.ThrowIfNull(argument);
#if !NET8_0_OR_GREATER || NETSTANDARD || NETFRAMEWORK
if (string.IsNullOrWhiteSpace(argument))
{
ThrowNullOrWhiteSpaceException(paramName);
}
#else
ArgumentException.ThrowIfNullOrWhiteSpace(argument, paramName);
#endif
}
#if !NET8_0_OR_GREATER || NETSTANDARD || NETFRAMEWORK
#if INTERNAL_NULLABLE_ATTRIBUTES || NETSTANDARD2_1_OR_GREATER || NET5_0_OR_GREATER
[DoesNotReturn]
#endif
internal static void ThrowNullOrWhiteSpaceException(string? paramName) =>
throw new ArgumentException("The value cannot be an empty or whitespace string.", paramName);
#endif
}
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