// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;
using System.Diagnostics;
using System.Xml;
using System.Xml.XPath;

namespace System.Xml.Xsl.XsltOld
{
    internal class TextEvent : Event
    {
        private readonly string _text = null!;

        protected TextEvent() { }

        public TextEvent(string text)
        {
            Debug.Assert(text != null);
            _text = text;
        }

        public TextEvent(Compiler compiler)
        {
            NavigatorInput input = compiler.Input;
            Debug.Assert(input.NodeType == XPathNodeType.Text || input.NodeType == XPathNodeType.SignificantWhitespace);
            _text = input.Value;
        }

        public override bool Output(Processor processor, ActionFrame frame)
        {
            return processor.TextEvent(_text);
        }

        public virtual string Evaluate(Processor processor, ActionFrame frame)
        {
            return _text!;
        }
    }
}