#region License and Copyright
/*
* Dotnet Commons Xml
*
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place,
* Suite 330,
* Boston,
* MA 02111-1307
* USA
*
*/
#endregion
using System;
using System.Collections;
using System.Collections.Specialized;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Xml;
using System.Xml.Xsl;
using System.Xml.Serialization;
//using Dotnet.Commons.Reflection;
namespace Dotnet.Commons.Xml
{
///
/// <summary>
/// This utility class contains wrapper functions that help to ease the handling and
/// manipulation of Xml documents, such as adding an element, adding an attribute
/// to an element, copying and cloning of nodes, etc.
///
/// </summary>
///
public abstract class XmlUtils
{
/// -----------------------------------------------------------
/// <summary>
/// Remove empty tags in the Xml string
/// </summary>
/// <param name="sXML"></param>
/// <returns></returns>
/// <remarks>Thanks to http://dotnet.editme.com/codeCleanXML</remarks>
/// -----------------------------------------------------------
public static string RemoveEmptyTags(string sXML)
{
System.Text.StringBuilder sb = new StringBuilder();
sb.Append("<?xml version="1.0" encoding="UTF-8"?>");
sb.Append("<xsl:stylesheet ");
sb.Append(" version="1.0" ");
sb.Append(" xmlns:msxsl="urn:schemas-microsoft-com:xslt"");
sb.Append(" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">");
sb.Append(" <xsl:output method="xml" version="1.0" encoding="UTF-8"/>");
sb.Append(" <!-- Whenever you match any node or any attribute -->");
sb.Append(" <xsl:template match="node()|@*">");
sb.Append(" <!-- Copy the current node -->");
sb.Append(" <xsl:if test="normalize-space(.) != '' or normalize-space(./@*) != '' ">");
sb.Append(" <xsl:copy>");
sb.Append(" <!-- Including any attributes it has and any child nodes -->");
sb.Append(" <xsl:apply-templates select="@*|node()"/>");
sb.Append(" </xsl:copy>");
sb.Append(" </xsl:if>");
sb.Append(" </xsl:template>");
sb.Append("</xsl:stylesheet>");
return transXMLStringThroughXSLTString(sXML, sb.ToString());
}
private static string transXMLStringThroughXSLTString(string sXML, string sXSLT)
{
//This is the logic of the application.
XslCompiledTransform objTransform = new XslCompiledTransform();
StringReader xmlStream = new StringReader(sXML);
XmlReader xmlReader = new XmlTextReader(xmlStream);
StringReader stream = new StringReader(sXSLT);
XmlReader xmlReaderXslt = new XmlTextReader(stream);
objTransform.Load(xmlReaderXslt, null, null);
StringWriter objStream = new StringWriter();
objTransform.Transform(xmlReader, null, objStream);
return objStream.ToString().Replace(@"encoding=""utf-16""?>", @"encoding=""utf-8""?>");
}
}
}
Convert String To XmlReader
//http://validationframework.codeplex.com/
//License: Microsoft Permissive License (Ms-PL) v1.1
using System;
using System.Globalization;
using System.IO;
using System.Text;
using System.Xml;
namespace ValidationFramework.Extensions
{
/// <summary>
/// String helper methods
/// </summary>
public static class StringExtensions
{ internal static XmlReader ToXmlReader(this string value)
{
var settings = new XmlReaderSettings { ConformanceLevel = ConformanceLevel.Fragment, IgnoreWhitespace = true, IgnoreComments = true };
var xmlReader = XmlReader.Create(new StringReader(value), settings);
xmlReader.Read();
return xmlReader;
}
}
}
If a Xml node Has Attributes
using System;
using System.Xml;
using System.IO;
using System.Text;
class MainClass {
private static void Main() {
FileStream fs = new FileStream(“products.xml”, FileMode.Create);
XmlWriter w = XmlWriter.Create(fs);
w.WriteStartDocument();
w.WriteStartElement(“products”);
w.WriteStartElement(“product”);
w.WriteAttributeString(“id”, “1001”);
w.WriteElementString(“productName”, “Gourmet Coffee”);
w.WriteElementString(“productPrice”, “0.99”);
w.WriteEndElement();
w.WriteStartElement(“product”);
w.WriteAttributeString(“id”, “1002”);
w.WriteElementString(“productName”, “Blue China Tea Pot”);
w.WriteElementString(“productPrice”, “102.99”);
w.WriteEndElement();
w.WriteEndElement();
w.WriteEndDocument();
w.Flush();
fs.Close();
fs = new FileStream(“products.xml”, FileMode.Open);
XmlReader r = XmlReader.Create(fs);
while (r.Read()) {
if (r.NodeType == XmlNodeType.Element) {
Console.WriteLine(“<" + r.Name + ">“);
if (r.HasAttributes) {
for (int i = 0; i < r.AttributeCount; i++) {
Console.WriteLine(" ATTRIBUTE: " +
r.GetAttribute(i));
}
}
} else if (r.NodeType == XmlNodeType.Text) {
Console.WriteLine(" VALUE: " + r.Value);
}
}
}
}
[/csharp]
Load xml document from xml file
using System;
using System.Xml;
class XMLDemo{
[STAThread]
static void Main(string[] args) {
XmlDocument xmlDom = new XmlDocument();
xmlDom.AppendChild(xmlDom.CreateElement("", "books", ""));
XmlElement xmlRoot = xmlDom.DocumentElement;
XmlElement xmlBook;
XmlElement xmlTitle, xmlAuthor, xmlPrice;
XmlText xmlText;
xmlBook= xmlDom.CreateElement("", "A", "");
xmlBook.SetAttribute("property", "", "a");
xmlTitle = xmlDom.CreateElement("", "B", "");
xmlText = xmlDom.CreateTextNode("text");
xmlTitle.AppendChild(xmlText);
xmlBook.AppendChild(xmlTitle);
xmlRoot.AppendChild(xmlBook);
xmlAuthor = xmlDom.CreateElement("", "C", "");
xmlText = xmlDom.CreateTextNode("textg");
xmlAuthor.AppendChild(xmlText);
xmlBook.AppendChild(xmlAuthor);
xmlPrice = xmlDom.CreateElement("", "D", "");
xmlText = xmlDom.CreateTextNode("99999");
xmlPrice.AppendChild(xmlText);
xmlBook.AppendChild(xmlPrice);
xmlRoot.AppendChild(xmlBook);
Console.WriteLine(xmlDom.InnerXml);
xmlDom.Save("books.xml");
XmlDocument xmlDom2 = new XmlDocument();
xmlDom2.Load("books.xml");
Console.WriteLine(xmlDom2.InnerXml);
}
}
Read XML From URL
/*
* C# Programmers Pocket Consultant
* Author: Gregory S. MacBeth
* Email: gmacbeth@comporium.net
* Create Date: June 27, 2003
* Last Modified Date:
* Version: 1
*/
using System;
using System.IO;
using System.Xml;
namespace Client.Chapter_22___XML
{
public class ReadXMLFromURL
{
static void Main(string[] args)
{
string localURL = "http:somehostTest.xml";
XmlTextReader myXmlURLreader = null;
myXmlURLreader = new XmlTextReader (localURL);
while (myXmlURLreader.Read())
{
//TODO -
}
if (myXmlURLreader != null)
myXmlURLreader.Close();
}
}
}
Read An XML File
/*
* C# Programmers Pocket Consultant
* Author: Gregory S. MacBeth
* Email: gmacbeth@comporium.net
* Create Date: June 27, 2003
* Last Modified Date:
* Version: 1
*/
using System;
using System.IO;
using System.Xml;
namespace Client.Chapter_22___XML
{
public class ReadAnXMLFile
{
private const string doc = "Test.xml";
static void Main(string[] args)
{
XmlTextReader reader = null;
// Load the file with an XmlTextReader
reader = new XmlTextReader(doc);
// Read the File
while (reader.Read())
{
//TODO -
}
if (reader != null)
reader.Close();
}
}
}
Access Attributes
using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
class Program {
static void Main(string[] args) {
XmlDocument documentation = new XmlDocument();
documentation.Load("DocumentedClasses.xml");
XmlNodeList memberNodes = documentation.SelectNodes("//member");
List<XmlNode> typeNodes = new List<XmlNode>();
foreach (XmlNode node in memberNodes) {
if (node.Attributes["name"].Value.StartsWith("T")) {
typeNodes.Add(node);
}
}
foreach (XmlNode node in typeNodes) {
Console.WriteLine("- {0}", node.Attributes["name"].Value.Substring(2));
}
}
}

