/// <summary>
/// Get maximum char count needed to decode the entire stream.
/// </summary>
/// <param name="encoding"></param>
/// <param name="stream"></param>
/// <exception cref="IOException">Stream is so big that max char count can't fit in <see cref="int"/>.</exception>
public static int GetMaxCharCountOrThrowIfHuge(this Encoding encoding, Stream stream)
{
Debug.Assert(stream.CanSeek);
long length = stream.Length;
int maxCharCount;
if (encoding.TryGetMaxCharCount(length, out maxCharCount))
{
return(maxCharCount);
}
#if WORKSPACE
throw new IOException(WorkspacesResources.Stream_is_too_long);
#else
throw new IOException();
#endif
}
