/**
* Checks if a tag is a subtag of the current component or it is a child component.
*
* @param string $tagName
* @return bool true if it is a subtag.
*/
private function subtag_check($tagName)
{
$propName = lcfirst($tagName);
if ($this->current instanceof Metadata) {
switch ($this->current->type) {
// All descendants of a metadata property are always metadata.
case type::metadata:
return true;
}
// Descendants of a content property are children, not properties.
return false;
}
// If the current component defines an property with the same name as the tag being checked, and if that property
// supports begin specified as a tag, the tag is a subtag.
return $this->current->supportsProperties() && $this->current->props->defines($propName, true);
}
/**
* Checks if the given component matches the preset's selector.
*
* @param Component $component
* @return bool
*/
function matches(Component $component)
{
if ($this->matchTag && $this->matchTag !== $component->getTagName()) {
return false;
}
if ($this->matchClass && (!$component instanceof HtmlComponent || !preg_match($this->matchClass, $component->props->class))) {
return false;
}
if ($component->supportsProperties() && ($prop = $this->matchPropName)) {
if (!$component->props->defines($prop)) {
return false;
}
if ($this->matchPropValue !== '') {
if ($component->props->{$prop} != $this->matchPropValue) {
return false;
}
} else {
if (!exists($component->props->{$prop})) {
return false;
}
}
}
return true;
}
