/// <summary>
/// Returns a verbose selector that will select this node.
/// </summary>
public INodeMatcher GenerateCssSelector(bool includeNthChild)
{
AndSelector selector = new AndSelector();
// name
if (this.Name != null)
{
selector.Selectors.Add(new NameSelector(this.Name));
}
// attributes
foreach (string s in this.AttributeNames)
{
string[] parts = this[s].Split(' ');
if (parts.Length == 1)
{
// 'class' is the only attribute I know of that allows mix and match, everything else should be exact match
var op = (s != "class")
? AttributeSelector.EqualToOp // exact match
: AttributeSelector.ContainsWordOp; // mix and match - also allows string to have .class for single classed elements
selector.Selectors.Add(new AttributeSelector(s, op, parts[0]));
}
else
{
foreach (string part in parts)
{
selector.Selectors.Add(new AttributeSelector(s, AttributeSelector.ContainsWordOp, part));
}
}
}
if (this.SiblingCount > 1 && includeNthChild)
{
selector.Selectors.Add(new SiblingSelector(0, this.SiblingIndex + 1));
}
// : selectors
var candidates = new INodeMatcher[] {
// new ColonSelector(":first-child")
// ,new ColonSelector(":last-child")
// ,new ColonSelector(":empty")
// ,new ColonSelector(":parent")
};
foreach (var c in candidates)
{
if (c.IsMatch(this))
{
selector.Selectors.Add(c);
}
}
return(selector);
}
internal void AddParent(INodeMatcher parentSelector)
{
AndSelector a = this.Selector as AndSelector;
if (a == null)
{
this.Selector = a = new AndSelector(this.Selector);
}
// add at begining so it .ToString()s in the correct place
a.Selectors.Insert(0, new HasParentSelector(parentSelector));
}
internal void AddSibling(INodeMatcher sibSelector, bool any)
{
AndSelector a = this.Selector as AndSelector;
if (a == null)
{
this.Selector = a = new AndSelector(this.Selector);
}
// add at begining so it .ToString()s in the correct place
a.Selectors.Insert(0, new HasPreviousSiblingSelector(sibSelector, any));
}
/// <summary>
/// used for when a parent node must have a specific child
/// </summary>
internal void AddChild(INodeMatcher childSelector)
{
AndSelector a = this.Selector as AndSelector;
if (a == null)
{
this.Selector = a = new AndSelector(this.Selector);
}
// add at begining so it .ToString()s in the correct place
a.Selectors.Insert(0, new HasChildSelector(childSelector));
this.HasChildSelector = true;
}
