BadImportTemplateNodeTransformer.cs

Go to the documentation of this file.

using System;
 
using BadScript2.Runtime.Error;
using BadScript2.Runtime.Objects;
 
using HtmlAgilityPack;
 
namespace BadHtml.Transformer;
 
public class BadImportTemplateNodeTransformer : BadHtmlNodeTransformer
{
    protected override bool CanTransform(BadHtmlContext context)
    {
        return context.InputNode.Name == "bs:template";
    }
 
    protected override void TransformNode(BadHtmlContext context)
    {
        HtmlAttribute? pathAttribute = context.InputNode.Attributes["path"];
        HtmlAttribute? modelAttribute = context.InputNode.Attributes["model"];
 
        if (pathAttribute == null)
        {
            throw BadRuntimeException.Create(
                context.ExecutionContext.Scope,
                "Missing 'path' attribute in 'bs:template' node",
                context.CreateOuterPosition()
            );
        }
 
        string? model = modelAttribute?.Value;
 
        if (string.IsNullOrEmpty(model))
        {
            Console.WriteLine("Missing 'model' attribute in 'bs:template' node");
        }
 
        string? path = pathAttribute.Value;
 
        if (string.IsNullOrEmpty(path))
        {
            throw BadRuntimeException.Create(
                context.ExecutionContext.Scope,
                "Empty 'path' attribute in 'bs:template' node",
                context.CreateAttributePosition(pathAttribute)
            );
        }
 
        BadObject modelObj = model == null ? BadObject.Null : context.ParseAndExecuteSingle(model, context.CreateAttributePosition(modelAttribute!));
 
        BadHtmlTemplate template = BadHtmlTemplate.Create(path, context.FileSystem);
        HtmlDocument res = template.RunTemplate(modelObj, context.Options);
 
        context.InputNode.AppendChildren(res.DocumentNode.ChildNodes);
    }
}