public static int GetIndex(this XmlNode thisValue, XmlIndexMatchType matchType)
{
if (thisValue?.ParentNode == null)
{
return(-1);
}
int index = 0;
if (matchType == XmlIndexMatchType.None)
{
for (XmlNode n = thisValue; n != null; n = n.PreviousSibling)
{
++index;
}
return(index);
}
bool matchT = matchType.FastHasFlag(XmlIndexMatchType.Type);
bool matchN = thisValue.NodeType == XmlNodeType.Element && matchType.FastHasFlag(XmlIndexMatchType.Name);
if (matchN)
{
for (XmlNode n = thisValue; n != null; n = n.PreviousSibling)
{
if (matchT && n.NodeType != thisValue.NodeType)
{
continue;
}
if (!n.Name.IsSame(thisValue.Name))
{
continue;
}
++index;
}
}
else
{
for (XmlNode n = thisValue; n != null; n = n.PreviousSibling)
{
if (matchT && n.NodeType != thisValue.NodeType)
{
continue;
}
++index;
}
}
return(index);
}
public static int GetIndex(this XNode thisValue, XmlIndexMatchType matchType)
{
if (thisValue?.Parent == null)
{
return(0);
}
int index = 0;
if (matchType == XmlIndexMatchType.None)
{
for (XNode n = thisValue; n != null; n = n.PreviousNode)
{
++index;
}
return(index);
}
bool matchT = matchType.FastHasFlag(XmlIndexMatchType.Type);
string thisName = thisValue.NodeType == XmlNodeType.Element && matchType.FastHasFlag(XmlIndexMatchType.Name) ? ((XElement)thisValue).Name.LocalName : null;
if (thisName != null)
{
for (XNode n = thisValue; n != null; n = n.PreviousNode)
{
if (matchT && n.NodeType != thisValue.NodeType)
{
continue;
}
if (n is not XElement element || !element.Name.LocalName.IsSame(thisName))
{
continue;
}
++index;
}
}
else
{
for (XNode n = thisValue; n != null; n = n.PreviousNode)
{
if (matchT && n.NodeType != thisValue.NodeType)
{
continue;
}
++index;
}
}
return(index);
}
public static int GetIndex(this XElement thisValue, bool matchName)
{
if (thisValue == null)
{
return(-1);
}
XmlIndexMatchType flags = XmlIndexMatchType.Type;
if (matchName)
{
flags |= XmlIndexMatchType.Name;
}
return(thisValue.GetIndex(flags));
}
