/**
* Create element by tag setting array
*
* @param array $setting
* @return HtmlElement
*/
protected static function _createElement($setting)
{
if (!isset($setting['tag_name'])) {
throw new Exception('Specification of "tag_name" is required, but not specified.');
}
$elem = new HtmlElement($setting['tag_name']);
if (isset($setting['attributes'])) {
if (!is_array($setting['attributes'])) {
throw new Exception('Specification of "attributes" in element setting must be an array, ' . gettype($setting['attributes']) . ' given.');
}
$elem->setAttributes($setting['attributes']);
}
if (isset($setting['is_empty'])) {
$elem->setIsEmptyTag($setting['is_empty']);
}
if (isset($setting['nodes'])) {
if ($elem->isEmptyTag()) {
throw new Exception('Empty tag cannot contain node.');
}
if (!is_array($setting['nodes'])) {
throw new Exception('Specification of "nodes" in element setting must be an array, ' . gettype($setting['nodes']) . ' given.');
}
foreach ($setting['nodes'] as $node) {
if (is_array($node)) {
$subElem = self::_createElement($node);
$elem->addElement($subElem);
} else {
$elem->addText($node);
}
}
}
if (isset($setting['text'])) {
if ($elem->isEmptyTag()) {
throw new Exception('Empty tag cannot contain node.');
}
if (is_array($setting['text']) || is_object($setting['text'])) {
throw new Exception('Specification of "text" in element setting must be string, ' . gettype($setting['text']) . ' given.');
}
$elem->setText($setting['text']);
}
return $elem;
}
