C#标签类文本序列化库 > FeedElement

FeedElement

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using ZmjTool;

namespace ZmjConvert
{
    public class FeedElement : CHtmlElement<FeedElement>
    {
        public static bool TryParse(string htmlstr, out IEnumerable<FeedElement> eles, out string message)
        {
            try
            {
                htmlstr = Regex.Replace(htmlstr, @"[\f\n\r\t\v]", string.Empty);
                eles = Parse(htmlstr);
                message = string.Empty;
                return true;
            }
            catch (Exception e)
            {
                eles = null;
                message = "feed文档解析异常:" + e.Message;
                return false;
            }
        }
        /// <summary>
        /// 获取所有的link的href的内容,及可能存在的作者的链接
        /// </summary>
        /// <param name="baseUrl"></param>
        /// <returns></returns>
        public static List<string> GetAllLink(List<string> array, Uri srcurl, IEnumerable<FeedElement> ele)
        {
            array = array ?? new List<string>();
            foreach (FeedElement item in ele)
            {
                if (item.TagName.Equals("link") && item.Attributes.TryGetValue("href", out var href) && new Uri(srcurl, href.Contains("<") ? System.Security.SecurityElement.FromString(href).Text : href) is Uri uri) array.Add(uri.AbsoluteUri);
                array = GetAllLink(array, srcurl, item.Children.ToArray());
            }
            return array;
        }
    }
}