BadTextNodeTransformer.cs

Go to the documentation of this file.

using System;
using System.Linq;
 
using BadScript2.Runtime.Objects;
using BadScript2.Runtime.Objects.Native;
 
namespace BadHtml.Transformer;
 
public class BadTextNodeTransformer : BadHtmlNodeTransformer
{
    protected override bool CanTransform(BadHtmlContext context)
    {
        return context.InputNode.Name == "#text";
    }
 
    protected override void TransformNode(BadHtmlContext context)
    {
        if (context.InputNode.InnerText.All(x => char.IsWhiteSpace(x) || x == '\n' || x == '\r' || x == '\t'))
        {
            if (!context.Options.SkipEmptyTextNodes)
            {
                context.OutputNode.AppendChild(context.OutputDocument.CreateTextNode(context.InputNode.InnerText));
            }
 
            return;
        }
 
        //Get Text and Replace all newlines with spaces
        string text = "$@\"" + context.InputNode.InnerText + "\";";
 
        //Evaluate Text with BadScript
        BadObject result = context.ParseAndExecute(text, context.CreateInnerPosition());
 
        if (result is not IBadString resultStr)
        {
            Console.WriteLine("Warning: Text node is not a string");
            context.OutputNode.AppendChild(context.OutputDocument.CreateTextNode(result.ToString()));
 
            return;
        }
 
        //Append Text to output
        context.OutputNode.AppendChild(context.OutputDocument.CreateTextNode(resultStr.Value));
    }
}