using System;
using System.Text;

namespace Ubisoft
{
    /// <summary>
    /// Utility class for dealing with string type.
    /// </summary>
    public static class HtString
    {
        /// <summary>
        /// Decodes a range of bytes from a byte pointer and a counter into a string.
        /// </summary>
        /// <param name="bytes">Byte pointer to a sequence of bytes to decode.</param>
        /// <param name="count">The number of bytes to decode.</param>
        /// <returns>A string containing the results of decoding the specified sequence of bytes.</returns>
        public static unsafe string DecodeUtf8(byte* bytes, int count)
        {
            return Encoding.UTF8.GetString(bytes, count);
        }

        public static byte[] GetBytes(string str, bool isUtf8)
        {
            byte[] bytes;

            if (isUtf8)
            {
                bytes = Encoding.UTF8.GetBytes(str);
            }
            else
            {
                bytes = new byte[str.Length * sizeof(char)];
                Buffer.BlockCopy(str.ToCharArray(), 0, bytes, 0, bytes.Length);
            }

            return bytes;
        }
    }
}