/**
* Finds a selector
*
* @param ILess_Node $selector
* @param ILess_Node_Ruleset $self
* @param ILess_Environment $env
* @return array
*/
public function find(ILess_Node $selector, ILess_Environment $env, ILess_Node_Ruleset $self = null)
{
$key = $selector->toCSS($env);
if (!$self) {
$self = $this;
}
if (!array_key_exists($key, $this->lookups)) {
$this->lookups[$key] = array();
foreach ($this->rules as $rule) {
if ($rule === $self) {
continue;
}
if ($rule instanceof ILess_Node_Ruleset || $rule instanceof ILess_Node_MixinDefinition) {
foreach ($rule->selectors as $ruleSelector) {
$match = $selector->match($ruleSelector);
if ($match) {
if (count($selector->elements) > $match) {
$this->lookups[$key] = array_merge($this->lookups[$key], $rule->find(new ILess_Node_Selector(array_slice($selector->elements, $match)), $env, $self));
} else {
$this->lookups[$key][] = $rule;
}
break;
}
}
}
}
}
return $this->lookups[$key];
}
