/// <summary>
/// Gets path of the xml element start tag that the specified
/// <paramref name="index"/> is currently inside.
/// </summary>
/// <remarks>If the index outside the start tag then an empty path
/// is returned.</remarks>
public static XmlElementPath GetActiveElementStartPath(string xml, int index)
{
XmlElementPath path = new XmlElementPath();
string elementText = GetActiveElementStartText(xml, index);
if (elementText != null)
{
QualifiedName elementName = GetElementName(elementText);
NamespaceURI elementNamespace = GetElementNamespace(elementText);
path = GetParentElementPath(xml.Substring(0, index));
if (elementNamespace.Namespace.Length == 0)
{
if (path.Elements.Count > 0)
{
QualifiedName parentName = path.Elements[path.Elements.Count - 1];
elementNamespace.Namespace = parentName.Namespace;
elementNamespace.Prefix = parentName.Prefix;
}
}
path.Elements.Add(new QualifiedName(elementName.Name, elementNamespace.Namespace, elementNamespace.Prefix));
path.Compact();
}
return(path);
}
/// <summary>
/// Gets the parent element path based on the index position.
/// </summary>
public static XmlElementPath GetParentElementPath(string xml)
{
XmlElementPath path = new XmlElementPath();
try
{
using (var reader = new StringReader(xml))
{
using (var xmlReader = new XmlTextReader(reader))
{
xmlReader.XmlResolver = null;
while (xmlReader.Read())
{
switch (xmlReader.NodeType)
{
case XmlNodeType.Element:
if (!xmlReader.IsEmptyElement)
{
QualifiedName elementName = new QualifiedName(xmlReader.LocalName, xmlReader.NamespaceURI, xmlReader.Prefix);
path.Elements.Add(elementName);
}
break;
case XmlNodeType.EndElement:
path.Elements.RemoveLast();
break;
}
}
}
}
}
catch (XmlException)
{
//MessageBox.Show(e.Message);
}
catch (WebException)
{
// Do nothing.
}
path.Compact();
return(path);
}
/// <summary>
/// Gets the parent element path based on the index position.
/// </summary>
public static XmlElementPath GetParentElementPath(string xml)
{
XmlElementPath path = new XmlElementPath();
try
{
using (var reader = new StringReader(xml))
{
using (var xmlReader = new XmlTextReader(reader))
{
xmlReader.XmlResolver = null;
while (xmlReader.Read())
{
switch (xmlReader.NodeType)
{
case XmlNodeType.Element:
if (!xmlReader.IsEmptyElement)
{
QualifiedName elementName = new QualifiedName(xmlReader.LocalName, xmlReader.NamespaceURI, xmlReader.Prefix);
path.Elements.Add(elementName);
}
break;
case XmlNodeType.EndElement:
path.Elements.RemoveLast();
break;
}
}
}
}
}
catch (XmlException)
{
//MessageBox.Show(e.Message);
}
catch (WebException)
{
// Do nothing.
}
path.Compact();
return path;
}
/// <summary>
/// Gets path of the xml element start tag that the specified
/// <paramref name="index"/> is currently inside.
/// </summary>
/// <remarks>If the index outside the start tag then an empty path
/// is returned.</remarks>
public static XmlElementPath GetActiveElementStartPath(string xml, int index)
{
XmlElementPath path = new XmlElementPath();
string elementText = GetActiveElementStartText(xml, index);
if (elementText != null)
{
QualifiedName elementName = GetElementName(elementText);
NamespaceURI elementNamespace = GetElementNamespace(elementText);
path = GetParentElementPath(xml.Substring(0, index));
if (elementNamespace.Namespace.Length == 0)
{
if (path.Elements.Count > 0)
{
QualifiedName parentName = path.Elements[path.Elements.Count - 1];
elementNamespace.Namespace = parentName.Namespace;
elementNamespace.Prefix = parentName.Prefix;
}
}
path.Elements.Add(new QualifiedName(elementName.Name, elementNamespace.Namespace, elementNamespace.Prefix));
path.Compact();
}
return path;
}