protected override bool CheckNode(HtmlNode node, string parameter)
{
var selectors = CssSelector.Parse(parameter);
var nodes = new[] { node };
foreach (var selector in selectors)
{
if (selector.FilterCore(nodes).Count() == 1)
{
return(false);
}
}
return(true);
}
public static IList <HtmlAgilityPack.HtmlNode> QuerySelectorAll(this IEnumerable <HtmlAgilityPack.HtmlNode> nodes, string cssSelector)
{
if (cssSelector == null)
{
throw new ArgumentNullException("cssSelector");
}
if (cssSelector.Contains(','))
{
var combinedSelectors = cssSelector.Split(',');
var rt = nodes.QuerySelectorAll(combinedSelectors[0]);
foreach (var s in combinedSelectors.Skip(1))
{
foreach (var n in nodes.QuerySelectorAll(s))
{
if (!rt.Contains(n))
{
rt.Add(n);
}
}
}
return(rt);
}
cssSelector = cssSelector.Trim();
var selectors = CssSelector.Parse(cssSelector);
bool allowTraverse = true;
foreach (var selector in selectors)
{
if (allowTraverse && selector.AllowTraverse)
{
nodes = Traverse(nodes);
}
nodes = selector.Filter(nodes);
allowTraverse = selector.AllowTraverse;
}
return(nodes
.Distinct()
.ToList());
}
public void Multiselector()
{
var selector = CssSelector.Parse("h1, h2, h3");
var h1 = selector[0];
var h2 = selector[1];
var h3 = selector[2];
Assert.Equal("h1", h1[0].ToString());
Assert.Equal("h2", h2[0].ToString());
Assert.Equal("h3", h3[0].ToString());
Assert.Null(h1[0].Trailing);
Assert.Null(h2[0].Trailing);
Assert.Null(h3[0].Trailing);
Assert.Equal("h1, h2, h3", selector.ToString());
}
public void C()
{
Assert.Equal("#networkLinks .block .edit:before", CssSelector.Parse("#networkLinks .block .edit:before").ToString());
}
public void A()
{
Assert.Equal("#a", CssSelector.Parse("#a").ToString());
Assert.Equal(".a", CssSelector.Parse(".a").ToString());
}
public void NthChildTests(string text)
{
var selector = CssSelector.Parse(text);
Assert.Equal(text, selector.ToString());
}
public void Parse_should_roundtrip_nonstandard_names(string query)
{
var css = CssSelector.Parse(query);
Assert.Equal(query, css.ToString());
}