|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Text;
namespace Microsoft.CodeAnalysis
{
internal static partial class EncodingExtensions
{
internal static bool TryGetMaxCharCount(this Encoding encoding, long length, out int maxCharCount)
{
maxCharCount = 0;
if (length <= int.MaxValue)
{
try
{
maxCharCount = encoding.GetMaxCharCount((int)length);
return true;
}
catch (ArgumentOutOfRangeException)
{
// Encoding does not provide a way to predict that max byte count would not
// fit in Int32 and we must therefore catch ArgumentOutOfRange to handle that
// case.
}
}
return false;
}
}
}
|