MqttTopicRepresentation.cs

using System.Text;
using Waher.Things.Mqtt.Model;
 
namespace Waher.Things.Mqtt
{
    public class MqttTopicRepresentation
    {
        public MqttTopicRepresentation(string TopicString, string[] Segments, int SegmentIndex)
        {
            this.TopicString = TopicString;
            this.Segments = Segments;
            this.SegmentIndex = SegmentIndex;
        }
 
        public string TopicString { get; }
 
        public string[] Segments { get; }
 
        public int SegmentIndex { get; set; }
 
        public string CurrentSegment => this.Segments[this.SegmentIndex];
 
        public MqttTopic CurrentParentTopic { get; private set; }
 
        public string ProcessedSegments
        {
            get
            {
                StringBuilder sb = new StringBuilder();
                int i;
 
                for (i = 0; i < this.SegmentIndex; i++)
                {
                    sb.Append(this.Segments[i]);
                    sb.Append('/');
                }
 
                sb.Append(this.CurrentSegment);
 
                return sb.ToString();
            }
        }
 
        public bool MoveNext(MqttTopic NewParent)
        {
            this.CurrentParentTopic = NewParent;
            this.SegmentIndex++;
            return this.SegmentIndex < this.Segments.Length;
        }
    }
}