/// <summary>
/// Gets XmlPath information of the specified OpenXmlElement.
/// </summary>
/// <param name="element">The OpenXmlElement.</param>
/// <returns>XmlPath to this element from root element.</returns>
internal static XmlPath GetXPath(OpenXmlElement element)
{
if (element == null)
{
return(null);
// throw new ArgumentNullException(nameof(element));
}
XmlPath xmlPath = new XmlPath();
xmlPath.PartUri = element.GetPartUri();
Dictionary <string, string> namespaces = new Dictionary <string, string>();
StringBuilder xpath = new StringBuilder("");
BuildXPath(element, xpath, namespaces);
xmlPath.XPath = xpath.ToString();
StringBuilder nsString;
foreach (var ns in namespaces)
{
nsString = new StringBuilder("");
nsString.Append("xmlns:");
nsString.Append(ns.Key);
nsString.Append("=\"");
nsString.Append(ns.Value);
nsString.Append("\"");
xmlPath.NamespacesDefinitions.Add(nsString.ToString());
}
return(xmlPath);
}
/// <summary>
/// Initializes a new instance of the XmlPath.
/// </summary>
internal XmlPath(OpenXmlElement element)
{
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
PartUri = element.GetPartUri();
XPath = TryBuildXPath(GetElements(element), out var namespaces);
#pragma warning disable CS0618 // Type or member is obsolete
if (namespaces == null)
{
Namespaces = ReadOnlyWrapper.Instance;
NamespacesDefinitions = Cached.Array <string>();
}
else
{
NamespacesDefinitions = namespaces
.GetNamespacesInScope(XmlNamespaceScope.Local)
.Select(ns => $"xmlns:{ns.Key}=\"{ns.Value}\"")
.ToArray();
Namespaces = new ReadOnlyWrapper(namespaces);
}
#pragma warning restore CS0618 // Type or member is obsolete
}
