public static XElement Merge(XElementFinder finder, params XElement[] xElements)
{
if (xElements.Length == 0)
{
throw new Exception("there is no element in xElement");
}
XElement root = xElements[0];
for (int i = 1; i < xElements.Length; i++)
{
Merge(root, xElements[i], finder);
}
return root;
}
private static void Merge(XElement xSrc, XElement xDst, XElementFinder finder)
{
foreach (var childDst in xDst.Elements())
{
var childSrc = finder(xSrc, childDst);
if (childSrc == null)
{
xSrc.Add(childDst);
}
else
{
foreach (var attrDst in childDst.Attributes())
{
childSrc.SetAttributeValue(attrDst.Name, attrDst.Value);
}
Merge(childSrc, childDst, finder);
}
}
}
