ln.http/ln.http/router/HttpRoutingContext.cs

using System;
namespace ln.http.router
{
    public class HttpRoutingContext
    {
        public HttpRequest HttpRequest { get; }

        public string Path { get; set; }
        public string RoutedPath { get; set; }

        public HttpRoutingContext(HttpRequest httpRequest) : this(httpRequest, httpRequest.URI.AbsolutePath) { }
        public HttpRoutingContext(HttpRequest httpRequest, string path)
        {
            HttpRequest = httpRequest;
            Path = path;
            RoutedPath = "";
        }
        HttpRoutingContext(HttpRequest httpRequest,string path,string routedPath)
        {
            HttpRequest = httpRequest;
            Path = path;
            RoutedPath = routedPath;
        }

        public HttpRoutingContext Routed(string residual)
        {
            return new HttpRoutingContext(HttpRequest, residual, RoutedPath + Path.Substring(0,Path.Length - residual.Length));
        }

        public bool PopNext(out string next, out HttpRoutingContext nextRoutingContext)
        {
            next = Path;

            if (String.Empty.Equals(next) || "/".Equals(next))
            {
                nextRoutingContext = null;
                return false;
            }

            int indSlash = next.IndexOf('/',1);
            if (indSlash > 0)
                next = next.Substring(0, indSlash-1);
            
            nextRoutingContext = Routed(Path.Substring(next.Length));

            if (next[0] == '/')
                next = next.Substring(1);

            return true;
        }

    }
}