public void IsMatchMethod(object value, ExpressionToken token, IsMatchResult isMatchResult)
{
IHTMLElement elem = (IHTMLElement)value;
string copyOfAttribute = token.Attribute;
while (copyOfAttribute.StartsWith("parentElement."))
{
if (elem.parentElement == null)
{
isMatchResult.ContinueChecking = false;
isMatchResult.ReturnValue = false;
return;
}
elem = elem.parentElement;
copyOfAttribute = copyOfAttribute.Remove(0, "parentElement.".Length);
}
if (!token.Attribute.Equals(copyOfAttribute)) //if we removed parentElement we should re-normalize.
copyOfAttribute = AttributeNormalizer.Normalize(copyOfAttribute);
if (copyOfAttribute.StartsWith("parentWindow"))
{
string attr;
isMatchResult.ContinueChecking = false;
isMatchResult.ReturnValue = false;
try
{
attr = copyOfAttribute.Split('.')[1];
}
catch (Exception ex)
{
//need to throw expression wrong format exception
throw ex;
}
if (attr == "location")
{
if (token.IsMatch(((HTMLDocument)elem.document).parentWindow.location.href))
{
isMatchResult.ContinueChecking = true;
isMatchResult.ReturnValue = true;
}
}
if (attr == "name")
{
if (token.IsMatch(((HTMLDocument)elem.document).parentWindow.name))
{
isMatchResult.ContinueChecking = true;
isMatchResult.ReturnValue = true;
}
}
}
else
{
if (elem != null && !(elem is IHTMLUnknownElement))
{
string attr;
if (copyOfAttribute.Equals("style", StringComparison.OrdinalIgnoreCase))
{
//the border, padding, and margin attributes if specified inline get applied to all 4 sides:
//EG: border-right, border-left, border-top, border-bottom
//Assumption: use -right for the global search
if (token.Value.ToLower().Contains("border:"))
token.Value = token.Value.Replace("border:", "border-right:");
if (token.Value.ToLower().Contains("padding:"))
token.Value = token.Value.Replace("padding:", "padding-right:");
if (token.Value.ToLower().Contains("margin:"))
token.Value = token.Value.Replace("margin:", "margin-right:");
attr = elem.style.cssText;
}
else
{
object elemAttribute = elem.getAttribute(copyOfAttribute, 0);
if (!(elem.getAttribute(token.Attribute, 0) is string) && !(elemAttribute is Boolean) && !(elemAttribute is int))
if (((IHTMLElement4)elem).getAttributeNode(copyOfAttribute) != null && ((IHTMLElement4)elem).getAttributeNode(copyOfAttribute).nodeValue != null)
attr = ((IHTMLElement4)elem).getAttributeNode(copyOfAttribute).nodeValue.ToString();
else
attr = elemAttribute != null ? elemAttribute.ToString() : string.Empty;
else
attr = elemAttribute.ToString();
}
if (token.IsMatch(attr))
{
isMatchResult.ContinueChecking = true;
isMatchResult.ReturnValue = true;
}
else
{
if (token.IsPartOfStyle)
{
string origAttr = token.Attribute;
string origValue = token.Value;
if (token.Attribute == "style" && token.Value.Contains(":"))
{
token.Attribute = token.Value.Split(new char[] { ':' })[0];
token.Value = token.Value.Split(new char[] { ':' })[1];
}
if (((IHTMLElement2)elem).currentStyle.getAttribute(token.Attribute, 0) != null)
attr = ((IHTMLElement2)elem).currentStyle.getAttribute(token.Attribute, 0).ToString();
if (token.IsMatch(attr))
{
isMatchResult.ContinueChecking = true;
isMatchResult.ReturnValue = true;
}
else
{
isMatchResult.ContinueChecking = false;
isMatchResult.ReturnValue = false;
}
token.Attribute = origAttr;
token.Value = origValue;
}
else
{
isMatchResult.ContinueChecking = false;
isMatchResult.ReturnValue = false;
}
}
}
else
{
isMatchResult.ContinueChecking = false;
isMatchResult.ReturnValue = false;
}
}
}