public static int KeyMatchCount(KeyValueElementInfo kv, string elementName, IEnumerable <string> names)
{
var res = 0;
if (kv.ElementName == "*" || kv.ElementName == elementName)
{
res = names == null || names.Count() == 0 ? -1 : names.Where(a => kv.KeyNames.Any(b => b == a)).Count();
if (!string.IsNullOrWhiteSpace(kv.ValueName))
{
if (names != null && names.Any(a => a == kv.ValueName))
{
res++;
}
}
}
return(res);
}
public static string GetXPath(this XElement element, KeyValueElementInfo keyValueInfo)
{
if (element == null)
{
return(string.Empty);
}
//if (XpathCollection.ContainsKey(element))//retriving from stored results
// return XpathCollection[element];
if (element == element.Document.Root)
{
var s = "/" + element.FQN();
return(s);
}
KeyValueElementInfo kvParent = null;
var res = element.Parent.GetXPath(kvParent) + "/" + element.FQN();
var attribs = element.GetAttributes();
if (attribs.Any())
{
if (keyValueInfo == null)
{
var filter = "[" + string.Join(" and ", element.GetAttributes().Select(a => a.FQN() + "=" + "\"" + a.Value.XmlEncode() + "\"")) + "]";
res += filter;
}
else
{
var filterAttrs = element.GetAttributes().Where(a => keyValueInfo.KeyNames.Any(k => k == a.Name.LocalName)).ToList();
if (!filterAttrs.Any())
{
Debugger.Break();
}
var filter = "[" + string.Join(" and ", filterAttrs.Select(a => a.FQN() + "=" + "\"" + a.Value.XmlEncode() + "\"")) + "]";
res += filter;
}
}
//XpathCollection.Add(element, res);
return(res);
}
internal static KeyValueElementInfo GetBestKeyValueInfo(this XElement element)
{
var res = default(KeyValueElementInfo);
if (element != null)
{
var attribNames = element.GetAttributes().Select(a => a.Name.LocalName);
res = Common.commonKeyValues
.Where(a => attribNames.Count() > 1 || string.IsNullOrWhiteSpace(a.ValueName))
.Select(a => new { MatchCount = KeyValueElementInfo.KeyMatchCount(a, element.Name.LocalName, attribNames), KeyValueInfo = a, })
.OrderByDescending(a => a.MatchCount)
.Where(a => a.MatchCount >= (attribNames.Count() == 1 ? 1 : 2))
.Select(a => a.KeyValueInfo)
.FirstOrDefault()
;
}
return(res);
}
public static string GetXPath(this XElement element, KeyValueElementInfo keyValueInfo)
{
if (element == null)
{
return(string.Empty);
}
if (element == element.Document.Root)
{
var s = "/" + element.FQN();
return(s);
}
var kvParent = element.Parent.GetBestKeyValueInfo();
var res = element.Parent.GetXPath(kvParent) + "/" + element.FQN();
var attribs = element.GetAttributes();
if (attribs.Any())
{
if (keyValueInfo == null)
{
var filter = "[" + string.Join(" and ", element.GetAttributes().Select(a => a.FQN() + "=" + "\"" + a.Value.XmlEncode() + "\"")) + "]";
res += filter;
}
else
{
var filterAttrs = element.GetAttributes().Where(a => keyValueInfo.KeyNames.Any(k => k == a.Name.LocalName)).ToList();
if (!filterAttrs.Any())
{
Debugger.Break();
}
var filter = "[" + string.Join(" and ", filterAttrs.Select(a => a.FQN() + "=" + "\"" + a.Value.XmlEncode() + "\"")) + "]";
res += filter;
}
}
return(res);
}