/// <summary>
/// Test
/// </summary>
/// <param name="selector"></param>
/// <param name="obj"></param>
/// <param name="matchIndex"></param>
/// <param name="depth"></param>
/// <returns></returns>
protected bool Matches(Selector selector, IDomObject obj, int depth)
{
bool match = true;
switch (selector.TraversalType)
{
case TraversalType.Child:
if (selector.ChildDepth != depth)
{
return(false);
}
break;
case TraversalType.Descendent:
if (depth == 0)
{
return(false);
}
break;
}
if (selector.SelectorType.HasFlag(SelectorType.All))
{
return(true);
}
if (!(obj is IDomElement))
{
return(false);
}
IDomElement elm = (IDomElement)obj;
// Check each selector from easier/more specific to harder. e.g. ID is going to eliminate a lot of things.
if (selector.SelectorType.HasFlag(SelectorType.ID) &&
selector.ID != elm.Id)
{
return(false);
}
if (selector.SelectorType.HasFlag(SelectorType.Class) &&
!elm.HasClass(selector.Class))
{
return(false);
}
if (selector.SelectorType.HasFlag(SelectorType.Tag) &&
!String.Equals(elm.NodeName, selector.Tag, StringComparison.CurrentCultureIgnoreCase))
{
return(false);
}
if (selector.SelectorType.HasFlag(SelectorType.Attribute))
{
string value;
match = elm.TryGetAttribute(selector.AttributeName, out value);
if (!match ||
(match && selector.AttributeSelectorType.IsOneOf(AttributeSelectorType.NotExists, AttributeSelectorType.NotEquals)))
{
return(false);
}
switch (selector.AttributeSelectorType)
{
case AttributeSelectorType.Exists:
break;
case AttributeSelectorType.Equals:
match = selector.AttributeValue == value;
break;
case AttributeSelectorType.StartsWith:
match = value.Length >= selector.AttributeValue.Length &&
value.Substring(0, selector.AttributeValue.Length) == selector.AttributeValue;
break;
case AttributeSelectorType.Contains:
match = value.IndexOf(selector.AttributeValue) >= 0;
break;
case AttributeSelectorType.ContainsWord:
match = ContainsWord(value, selector.AttributeValue);
break;
case AttributeSelectorType.NotEquals:
match = value.IndexOf(selector.AttributeValue) == 0;
break;
case AttributeSelectorType.EndsWith:
int len = selector.AttributeValue.Length;
match = value.Length >= len &&
value.Substring(value.Length - len) == selector.AttributeValue;
break;
default:
throw new InvalidOperationException("No AttributeSelectorType set");
}
if (!match)
{
return(false);
}
}
if (selector.SelectorType.HasFlag(SelectorType.Other))
{
return(IsVisible(elm));
}
if (selector.SelectorType.HasFlag(SelectorType.Position) &&
selector.TraversalType == TraversalType.Filter &&
!MatchesDOMPosition(elm, selector.PositionType,
selector.PositionType == PositionType.NthChild ? selector.Criteria : null))
{
return(false);
}
// remove this so it doesn't get re-run
// selector.SelectorType &= ~SelectorType.Position;
if (selector.SelectorType.HasFlag(SelectorType.Contains) &&
!ContainsText(elm, selector.Criteria))
{
return(false);
}
return(true);
}
