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using System.Globalization;
using System.Numerics;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.AspNetCore.Mvc.ModelBinding.Binders;
namespace Nop.Web.Framework.Mvc.ModelBinding.Binders;
/// <summary>
/// Represents a model binder provider for binding numeric types
/// </summary>
public partial class InvariantNumberModelBinderProvider : IModelBinderProvider
{
#region Fields
protected static readonly HashSet<Type> _integerTypes =
[
typeof(int), typeof(long), typeof(short), typeof(sbyte),
typeof(byte), typeof(ulong), typeof(ushort), typeof(uint), typeof(BigInteger)
];
protected static readonly HashSet<Type> _floatingPointTypes =
[
typeof(double), typeof(decimal), typeof(float)
];
#endregion
/// <summary>
/// Creates a model binder
/// </summary>
/// <param name="context">Context object</param>
/// <returns>Instance of model binder for floating-point types</returns>
public IModelBinder GetBinder(ModelBinderProviderContext context)
{
ArgumentNullException.ThrowIfNull(context);
var modelType = context.Metadata.UnderlyingOrModelType;
if (modelType is null)
return null;
if (_floatingPointTypes.Contains(modelType))
return new InvariantNumberModelBinder(NumberStyles.Float, new FloatingPointTypeModelBinderProvider().GetBinder(context));
if (_integerTypes.Contains(modelType))
return new InvariantNumberModelBinder(NumberStyles.Integer, new SimpleTypeModelBinderProvider().GetBinder(context));
return null;
}
}