private static string ConvertCollectionToString(ICollection <XName> names)
{
StringBuilder builder = new StringBuilder();
foreach (var name in names)
{
var ns = SrcMLNamespaces.LookupPrefix(name.Namespace.NamespaceName);
builder.AppendFormat(", {0}:{1}", ns, name.LocalName);
}
builder.Remove(0, 2);
return(builder.ToString());
}
/// <summary>
/// Gets an XPath query that uniquely identifies the given XElement
/// </summary>
/// <param name="element">The element to create an XPath query for</param>
/// <param name="relativeToFileUnit">whether or not the XPath query is relative to the parent file unit or not</param>
/// <returns>An XPath query that uniquely identifies <paramref name="element"/></returns>
public static string GetXPath(this XElement element, bool relativeToFileUnit)
{
if (null == element)
{
throw new ArgumentNullException("element");
}
StringBuilder xpathBuilder = new StringBuilder();
XElement current = element;
do
{
if (SRC.Unit == current.Name)
{
if (relativeToFileUnit)
{
current = null;
continue;
}
var fileName = current.Attribute("filename");
if (fileName != null)
{
xpathBuilder.Insert(0, String.Format(CultureInfo.InvariantCulture, "[@filename=\"{0}\"]", fileName.Value));
}
}
else
{
var count = current.ElementsBeforeSelf(current.Name).Count() + 1;
xpathBuilder.Insert(0, String.Format(CultureInfo.InvariantCulture, "[{0}]", count));
}
var prefix = SrcMLNamespaces.LookupPrefix(current.Name.NamespaceName);
xpathBuilder.Insert(0, String.Format(CultureInfo.InvariantCulture, "{0}", current.Name.LocalName));
if (!String.IsNullOrEmpty(prefix))
{
xpathBuilder.Insert(0, String.Format(CultureInfo.InvariantCulture, "{0}:", prefix));
}
xpathBuilder.Insert(0, "/");
current = (null == current.Parent ? null : current.Parent);
} while(null != current);
return(xpathBuilder.ToString());
}
