using System;

namespace VersOne.Epub.Internal
{
    internal class UrlParser
    {
        public UrlParser(string url)
        {
            if (url == null)
            {
                throw new ArgumentNullException(nameof(url));
            }
            int anchorCharIndex = url.IndexOf('#');
            if (anchorCharIndex == -1)
            {
                Path = url;
                Anchor = null;
            }
            else
            {
                Path = url.Substring(0, anchorCharIndex);
                Anchor = url.Substring(anchorCharIndex + 1);
            }
        }

        public string Path { get; }
        public string? Anchor { get; }
    }
}