spectre.console/src/Spectre.Console/Extensions/HasCultureExtensions.cs

namespace Spectre.Console;

/// <summary>
/// Contains extension methods for <see cref="IHasCulture"/>.
/// </summary>
public static class HasCultureExtensions
{
    /// <summary>
    /// Sets the culture.
    /// </summary>
    /// <typeparam name="T">An object type with a culture.</typeparam>
    /// <param name="obj">The object to set the culture for.</param>
    /// <param name="culture">The culture to set.</param>
    /// <returns>The same instance so that multiple calls can be chained.</returns>
    public static T Culture<T>(this T obj, CultureInfo culture)
        where T : class, IHasCulture
    {
        if (obj is null)
        {
            throw new ArgumentNullException(nameof(obj));
        }

        if (culture is null)
        {
            throw new ArgumentNullException(nameof(culture));
        }

        obj.Culture = culture;
        return obj;
    }

    /// <summary>
    /// Sets the culture.
    /// </summary>
    /// <typeparam name="T">An object type with a culture.</typeparam>
    /// <param name="obj">The object to set the culture for.</param>
    /// <param name="name">The culture to set.</param>
    /// <returns>The same instance so that multiple calls can be chained.</returns>
    public static T Culture<T>(this T obj, string name)
        where T : class, IHasCulture
    {
        if (name is null)
        {
            throw new ArgumentNullException(nameof(name));
        }

        return Culture(obj, CultureInfo.GetCultureInfo(name));
    }

    /// <summary>
    /// Sets the culture.
    /// </summary>
    /// <typeparam name="T">An object type with a culture.</typeparam>
    /// <param name="obj">The object to set the culture for.</param>
    /// <param name="culture">The culture to set.</param>
    /// <returns>The same instance so that multiple calls can be chained.</returns>
    public static T Culture<T>(this T obj, int culture)
        where T : class, IHasCulture
    {
        return Culture(obj, CultureInfo.GetCultureInfo(culture));
    }
}