/// <summary>Selects elements from this document using the given CSS selector.
/// Do note that this is not designed to be used in high-performance situations and
/// you should cache the results as much as possible.</summary>
public Dom.NodeList querySelectorAll(string selector, bool one)
{
// Create results set:
Dom.NodeList results = new Dom.NodeList();
if (string.IsNullOrEmpty(selector))
{
// Empty set:
return(results);
}
Node root = documentElement;
// Create the lexer:
Css.CssLexer lexer = new Css.CssLexer(selector, root);
List <Css.Selector> all = new List <Css.Selector>();
// Read selectors:
lexer.ReadSelectors(all);
if (all.Count == 0)
{
// Invalid selector:
return(results);
}
// Create a blank event to store the targets, if any:
CssEvent e = new CssEvent();
// Perform the selection process:
(root as IRenderableNode).querySelectorAll(all.ToArray(), results, e, one);
return(results);
}
/// <summary>True if this element matches the given selector.</summary>
public bool matches(string selectorText)
{
// Create the lexer:
Css.CssLexer lexer = new Css.CssLexer(selectorText, this);
// Read a value:
Css.Value value = lexer.ReadValue();
// Read the selectors from the value:
List <Css.Selector> selectors = new List <Css.Selector>();
Css.CssLexer.ReadSelectors(null, value, selectors);
if (selectors.Count == 0)
{
return(false);
}
// Get renderable node:
Css.IRenderableNode irn = (this as Css.IRenderableNode);
if (irn == null)
{
// Can't select this element.
return(false);
}
// Get the computed style:
Css.ComputedStyle cs = irn.ComputedStyle;
// Try and match it!
return(selectors[0].StructureMatch(cs, new Css.CssEvent()));
}
/// <summary>Gets a style definition by css selector from the StyleSheet.
/// If it's not found in the style sheet, the default stylesheet is checked.</summary>
/// <param name="selector">The css selector to search for.</param>
/// <returns>If found, a selector style definition; null otherwise.</returns>
public List <Css.Style> getStylesBySelector(string selectorText)
{
// Create the lexer:
Css.CssLexer lexer = new Css.CssLexer(selectorText, documentElement);
// Read a selector:
Css.Selector selector = lexer.ReadSelector();
return(getStylesBySelector(selector));
}
