Source/TextMarkup/MarkupParser.cs

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using System;
using System.Text;
using System.IO;
using System.Xml;
using System.Collections;
using System.Text.RegularExpressions;

#if AdvTree
namespace DevComponents.Tree.TextMarkup
#elif DOTNETBAR
namespace DevComponents.DotNetBar.TextMarkup
#endif
{
    internal class MarkupParser
    {
        #region Private Variables
        private static string TextElementName = "text";
        private static string BodyTag = "body";
        #endregion

        #region Internal Implementation
        public static BodyElement Parse(string text)
        {
            StringBuilder plainText = new StringBuilder(text.Length);
            BodyElement root = new BodyElement();
            root.HasExpandElement = false;
            MarkupElement currentParent = root;
            Stack openTags = new Stack();
            openTags.Push(root);
            // Input text is not wrapped into the container tag so we wrap it here
            text = text.Replace(" ", "{ent_nbsp}");
            text = text.Replace("<", "{ent_lt}");
            text = text.Replace(">", "{ent_gt}");
            text = text.Replace("&", "{ent_amp}");
            text = text.Replace("|", "{ent_l}");
            text = text.Replace("&", "|");
            text = text.Replace("{ent_nbsp}", " ");
            text = text.Replace("{ent_lt}", "<");
            text = text.Replace("{ent_gt}", ">");
            StringReader sr = new StringReader("<"+BodyTag+">" + text + "</"+BodyTag+">");
#if !DEBUG
            try
#endif
            {
                XmlTextReader reader = new XmlTextReader(sr);
                //reader.EntityHandling = EntityHandling.ExpandCharEntities;
                while (reader.Read())
                {
                    if (reader.NodeType == XmlNodeType.Element)
                    {
                        if (reader.Name == BodyTag)
                            continue;
                        MarkupElement el = CreateMarkupElement(reader.Name);
                        if (el == null)
                        {
                            reader.Skip();
                            continue;
                        }
                        else if (el is ExpandElement)
                            root.HasExpandElement = true;