// Copyright © 2017-2018 Atomic Software, LLC. All Rights Reserved.
// See LICENSE.md for full license information.

using System.IO;
using System.Text;

namespace Atom.Core.IO
{
    public class SHNDataReader : BinaryReader
    {
        public SHNDataReader(Stream input) : base(input)
        {
        }

        public string ReadPaddedString(int length)
        {
            var Value = string.Empty;
            var Offset = 0;
            var Bytes = ReadBytes(length);

            while (Offset < length && Bytes[Offset] != 0x00)
            {
                Offset++;
            }

            if (length > 0)
            {
                Value = Encoding.UTF8.GetString(Bytes, 0, Offset);
            }

            return Value;
        }

        public long Seek(long offset, SeekOrigin origin)
        {
            return BaseStream.Seek(offset, origin);
        }

        public long Skip(long offset)
        {
            return Seek(offset, SeekOrigin.Current);
        }
    }
}