public static IEnumerable <T> ElementsAndSelf <T>(this AspxNode item)
{
return(item.ElementsAndSelf().Where(i => i is T).Cast <T>());
}
public static IEnumerable <T> Descendants <T>(this AspxNode item)
{
return(item.Descendants().Where(i => i is T).Cast <T>());
}
public static IEnumerable <T> AncestorsAndSelf <T>(this AspxNode item)
{
return(item.AncestorsAndSelf().Where(i => i is T).Cast <T>());
}
void IParserEventListener.OnTag(Location location, TagType tagType, string name, TagAttributes attributes)
{
switch (tagType)
{
case TagType.Close:
{
string prefix;
string controlName;
if (IsAspxTag(name, out prefix, out controlName))
{
// find opening pair tag until the root
for (var node = currentNode; !(node is AspxNode.Root); node = node.Parent)
{
var casted = node as AspxNode.OpenAspxTag;
if (casted != null && casted.Prefix == prefix && casted.ControlName == controlName)
{
currentNode = casted.Parent;
break;
}
}
}
else
{
// find closing pair tag no further than first opening ASPX tag
for (var node = currentNode; !(node is AspxNode.OpenAspxTag || node is AspxNode.Root); node = node.Parent)
{
var casted = node as AspxNode.OpenHtmlTag;
if (casted != null && casted.Name == name)
{
currentNode = casted.Parent;
break;
}
}
}
currentNode.AddChild(new AspxNode.CloseTag(name, location));
break;
}
case TagType.SelfClosing:
{
string prefix;
string controlName;
var newNode = IsAspxTag(name, out prefix, out controlName)
? (AspxNode) new AspxNode.SelfClosingAspxTag(prefix, controlName, attributes, location)
: new AspxNode.SelfClosingHtmlTag(name, attributes, location);
currentNode.AddChild(newNode);
break;
}
case TagType.Open:
{
string prefix;
string controlName;
var newNode = IsAspxTag(name, out prefix, out controlName)
? (AspxNode) new AspxNode.OpenAspxTag(prefix, controlName, attributes, location)
: new AspxNode.OpenHtmlTag(name, attributes, location);
currentNode.AddChild(newNode);
currentNode = newNode;
break;
}
default:
throw new ArgumentOutOfRangeException(nameof(tagType), tagType, null);
}
}