AsyncMarkdownHtmlContent.cs

using System.Text;
using System.Threading.Tasks;
using Waher.Content.Markdown;
using Waher.Content.Markdown.Functions;
using Waher.Content.Xml;
using Waher.Runtime.Inventory;
using Waher.Security;
 
namespace Waher.IoTGateway.CodeContent
{
    public class AsyncMarkdownHtmlContent : IMarkdownAsynchronousOutput
    {
        public AsyncMarkdownHtmlContent()
        {
        }
 
        public Grade Supports(MarkdownOutputType OutputType)
        {
            return OutputType == MarkdownOutputType.Html ? Grade.Ok : Grade.NotAtAll;
        }
 
        public async Task<string> GenerateStub(MarkdownOutputType Type, StringBuilder Output, string Title, MarkdownDocument Document)
        {
            string Id = Hashes.BinaryToString(Gateway.NextBytes(32));
 
            if (string.IsNullOrEmpty(Title))
                Title = await MarkdownToHtml.ToHtml(":hourglass_flowing_sand:", Document.Settings.Variables);
            else
                Title = XML.HtmlValueEncode(Title);
 
            Output.Append("<div id=\"id");
            Output.Append(Id);
            Output.Append("\">");
            Output.Append(Title);
            Output.AppendLine("</div>");
            Output.Append("<script type=\"text/javascript\">LoadContent(\"");
            Output.Append(Id);
            Output.AppendLine("\");</script>");
 
            return Id;
        }
 
        public Task ReportResult(MarkdownOutputType Type, string Id, string Result)
        {
            return this.ReportResult(Type, Id, Result, false);
        }
 
        public Task ReportResult(MarkdownOutputType Type, string Id, string Result, bool More)
        {
            return ClientEvents.ReportAsynchronousResult(Id, "text/html; charset=utf-8", System.Text.Encoding.UTF8.GetBytes(Result), More);
        }
    }
}