RegExFilterChain.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace UniversalBibleAPI
{
    public class RegExFilterChain : FilterDecorator
    {
        private RegExFilter _myregexfilter = new RegExFilter(new NullFilter());

        private List<string> _myregexfilterdef;

        public List<string> MyRegExFilterDefinitions
        {
            get { return this._myregexfilterdef; }

            set
            {
                this._myregexfilterdef = value;
                this._myregexfilter = CreateRegexChain(this._myregexfilterdef);

            }

        }
        private RegExFilter CreateRegexChain(List<string> _myregexfilterdef)
        {

            try
            {
                if (_myregexfilterdef.Count == 0)
                {

                    return this._myregexfilter;

                }
                else
                {

                    string[] parts = this._myregexfilterdef.Last().Split(':');
                    this._myregexfilter = new RegExFilter(this._myregexfilter);
                    this._myregexfilter.Pattern = parts[0];
                    this._myregexfilter.Replacement = parts[1];
                    this._myregexfilterdef.RemoveAt(this._myregexfilterdef.Count() - 1);
                    return CreateRegexChain(this._myregexfilterdef);

                }
            }
            catch (Exception)
            {

                throw;
            }
        }

        public RegExFilterChain(IFilter otherFilter) : base(otherFilter) { }

        public override string PerformFilter(string TextToFilter)
        {
            return base.PerformFilter(this._myregexfilter.PerformFilter(TextToFilter));
        }

    }
}