XmlScriptWildcard.cs

using System.Collections.Generic;
using System.Xml;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Exceptions;
using Waher.Script.Model;
 
namespace Waher.Script.Xml.Model
{
    public class XmlScriptWildcard : XmlScriptNode
    {
        private XmlScriptNode next = null;
 
        public XmlScriptWildcard(int Start, int Length, Expression Expression)
            : base(Start, Length, Expression)
        {
        }
 
        public override bool ForAllChildNodes(ScriptNodeEventHandler Callback, object State, SearchMethod Order)
        {
            return true;
        }
 
        internal override void Build(XmlDocument Document, XmlElement Parent, Variables Variables)
        {
            throw new ScriptRuntimeException("Wildcards cannot be used to build XML documents.", this);
        }
 
        public override PatternMatchResult PatternMatch(XmlNode CheckAgainst, Dictionary<string, IElement> AlreadyFound)
        {
            return PatternMatchResult.Match;
        }
 
        public override PatternMatchResult PatternMatch(IElement CheckAgainst, Dictionary<string, IElement> AlreadyFound)
        {
            return PatternMatchResult.Match;
        }
 
        public override bool IsApplicable(XmlNode CheckAgainst, XmlElement First)
        {
            return this.next is null || !this.next.IsApplicable(CheckAgainst, null);
        }
 
        public override bool IsVector => true;
 
        public XmlScriptNode Next
        {
            get => this.next;
            internal set => this.next = value;
        }
    }
}