private function getElementsArray($tag = null, $attr = '\\w*', $value = '\\w*', $one = false, &$deep = 0)
{
$deep++;
$max = self::$maxResultsPerStartegy;
// todo: measure the correction
$maxDeep = self::$maxRecursionInStartegy;
if ($deep > $maxDeep) {
throw new XParserException('Recursion detected in dom tree.');
}
$founds = [];
if (is_null($tag)) {
foreach ($this->getPossibleTags() as $tag) {
$elems = $this->getElementsArray($tag, $attr, $value, $one, $deep);
foreach ($elems as $elem) {
$founds[] = $elem;
}
}
} else {
$simples = ['\\!doctype', 'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr'];
$simple = in_array(strtolower($tag), $simples);
$singles = ['\\!doctype', 'html', 'body', 'head', 'title'];
// todo more?
$single = in_array(strtolower($tag), $singles);
$one = $single || $attr == 'id';
if ($attr == '\\w*' || $value == '\\w*') {
if ($simple) {
$regex = '/<' . $tag . '\\b[^>]*[^>\\/]*?>/is';
if ($one && preg_match($regex, $this->__html, $match)) {
return $match;
}
preg_match_all($regex, $this->__xhtml, $matches);
$founds = $matches[0];
} else {
// todo : it's valid but not too propabilities do may it have to be the last check
// $regex = '/<' . $tag . '\b[^>]*[^>\/]*?\/>/is';
// preg_match_all($regex, $this->__xhtml, $matches);
// $founds = $matches[0];
// if($one && $founds) return [$founds[0]];
$regex = '/<' . $tag . '\\b[^>]*[^>\\/]*?\\>.*<\\/' . $tag . '>/is';
if ($one && preg_match($regex, $this->__xhtml, $match)) {
return $match;
}
preg_match_all($regex, $this->__xhtml, $matches);
foreach ($matches[0] as $match) {
if (!in_array($match, $founds) && self::isValidClosure($match, true)) {
$founds[] = $match;
} else {
$x = new XNode(substr($match, 1));
$more = $x->getElementsArray($tag, $attr, $value, $one, $deep);
$founds = array_merge($founds, $more);
if (count($founds) >= $max) {
throw new XParserException('Too many element found, searching limit is ' . $max . ', please change your query to a more definitely selector.');
}
$x = new XNode(substr($match, 0, -1));
$more = $x->getElementsArray($tag, $attr, $value, $one, $deep);
$founds = array_merge($founds, $more);
if (count($founds) >= $max) {
throw new XParserException('Too many element found, searching limit is ' . $max . ', please change your query to a more definitely selector.');
}
}
}
}
}
if ($simple) {
$regex = '/<' . $tag . '\\b[^>]*([^-]\\b)' . $attr . '\\b\\s*?=\\s*?"' . $value . '"[^>\\/]*?>/is';
if ($one && preg_match($regex, $this->__html, $match)) {
return $match;
}
preg_match_all($regex, $this->__xhtml, $matches);
$founds = array_merge($founds, $matches[0]);
} else {
// todo : it's valid but not too propabilities do may it have to be the last check
// $regex = '/<' . $tag . '\b[^>]*\b' . $attr . '\b\s*?=\s*?"' . $value . '"[^>\/]*?\/>/is';
// preg_match_all($regex, $this->__xhtml, $matches);
// $founds = array_merge($founds, $matches[0]);
// if($one && $founds) return [$founds[0]];
$regex = '/<' . $tag . '\\b[^>]*([^-]\\b)' . $attr . '\\b\\s*?=\\s*?"' . $value . '"[^>\\/]*?>.*?<\\/' . $tag . '>/is';
if (preg_match($regex, $this->__xhtml, $matches)) {
if (self::isValidClosure($matches[0], true)) {
if (!in_array($matches[0], $founds)) {
if ($one) {
return [$matches[0]];
}
$founds[] = $matches[0];
}
}
}
if (!$single) {
$regex = '/<' . $tag . '\\b[^>]*([^-]\\b)' . $attr . '\\b\\s*?=\\s*?"' . $value . '"[^>\\/]*?>(\\R|.*?<\\/' . $tag . '>).*<\\/' . $tag . '>/is';
if (preg_match($regex, $this->__xhtml, $matches)) {
// todo : duplicated code, separate this for an other function
if (self::isValidClosure($matches[0], true)) {
if (!in_array($matches[0], $founds)) {
if ($one) {
return [$matches[0]];
}
$founds[] = $matches[0];
}
}
$x = new XNode(substr($matches[0], 1));
$more = $x->getElementsArray($tag, $attr, $value, $one, $deep);
$founds = array_merge($founds, $more);
if (count($founds) >= $max) {
throw new XParserException('Too many element found, searching limit is ' . $max . ', please change your query to a more definitely selector.');
}
$x = new XNode(substr($matches[0], 0, -1));
$more = $x->getElementsArray($tag, $attr, $value, $one, $deep);
$founds = array_merge($founds, $more);
if (count($founds) >= $max) {
throw new XParserException('Too many element found, searching limit is ' . $max . ', please change your query to a more definitely selector.');
}
}
}
}
}
$deep--;
// TODO : may array_merge or array_unique function is not necessary...
$founds = array_unique($founds);
return $founds;
}
