using System.Collections;

namespace BWP.ABCClient.Businesses
{
 
	public class XmlDocument
	{
		private string _xmlString;

		public XmlDocument()
		{
			_xmlString = "";
		}

		public XmlDocument(string xmlString)
		{
			_xmlString = "";
			Init(xmlString);
		}

		public XmlDocument DeleteFirstTagDocument()
		{
			string str = GetFirstTagName();
			int index = _xmlString.IndexOf("<" + str + ">");
			int num2 = _xmlString.IndexOf("</" + str + ">");
			if (num2 > index) {
				_xmlString = _xmlString.Substring((num2 + str.Length) + 3);
			}
			return this;
		}

		public ArrayList GetDocuments(string aTag)
		{
			string xmlString = _xmlString;
			var list = new ArrayList();
			while (true) {
				int index = xmlString.IndexOf("<" + aTag.Trim() + ">");
				int num2 = xmlString.IndexOf("</" + aTag.Trim() + ">");
				if (((index == -1) || (num2 == -1)) || (index > num2)) {
					return list;
				}
				var document = new XmlDocument(xmlString.Substring(index, ((num2 + aTag.Length) + 3) - index));
				list.Add(document);
				xmlString = xmlString.Substring(num2 + 1);
			}
		}

		public string GetFirstTagName()
		{
			string str = null;
			int index = _xmlString.IndexOf('<');
			int num2 = _xmlString.IndexOf('>');
			if (num2 > index) {
				str = _xmlString.Substring(index + 1, num2 - (index + 1));
			}
			return str;
		}

		public XmlDocument GetFormatDocument(string aSpace)
		{
			return GetFormatDocument(0, aSpace);
		}

		private XmlDocument GetFormatDocument(int aLevel, string aSpace)
		{
			string str2;
			string str = aSpace;
			for (int i = 0; i < aLevel; i++) {
				str = str + aSpace;
			}
			if (GetFirstTagName() == null) {
				return this;
			}
			string xmlString = "\n";
			for (var document = new XmlDocument(_xmlString); (str2 = document.GetFirstTagName()) != null; document = document.DeleteFirstTagDocument()) {
				var document2 = document.GetValue(str2);
				var str4 = "";
				if (document2.GetFirstTagName() != null) {
					str4 = str;
				}
				xmlString = string.Concat(new object[] { xmlString, str, "<", str2, ">", document2.GetFormatDocument(aLevel + 1, aSpace), str4, "</", str2, ">\n" });
			}
			return new XmlDocument(xmlString);
		}

		public  XmlDocument GetValue(string aTag)
		{
			XmlDocument document = null;
			int index = _xmlString.IndexOf("<" + aTag.Trim() + ">");
			int num2 = _xmlString.IndexOf("</" + aTag.Trim() + ">");
			if (((index >= 0) && (num2 >= 0)) && (index < num2)) {
				document = new XmlDocument(_xmlString.Substring((index + aTag.Length) + 2, num2 - ((index + aTag.Length) + 2)));
			}
			return document;
		}

		public virtual string GetValueNoNull(string aTag)
		{
			var str = "";
			var document = GetValue(aTag);
			if (document != null) {
				str = document.ToString();
			}
			return str;
		}

		public XmlDocument Init(string xmlString)
		{
			_xmlString = xmlString;
			return this;
		}

		public override string ToString()
		{
			return _xmlString;
		}
	}
}