/**
* strng regexp bbcode killer
*
* @param string|array $bbcode BBCode as string or matches as array - callback from preg_replace_callback()
*
* @return string
* @throws \chillerlan\bbcode\BBCodeException
*/
protected function __parse($bbcode) : string
{
static $callback_count = 0;
$callback = false;
$preg_error = PREG_NO_ERROR;
if (is_array($bbcode) && isset($bbcode['tag'], $bbcode['attributes'], $bbcode['content'])) {
$tag = strtolower($bbcode['tag']);
$attributes = $this->getAttributes($bbcode['attributes']);
$content = $bbcode['content'];
$callback = true;
$callback_count++;
} else {
if (is_string($bbcode) && !empty($bbcode)) {
$tag = null;
$attributes = [];
$content = $bbcode;
} else {
return '';
}
}
if ($callback_count < (int) $this->parserOptions->nesting_limit && !in_array($tag, $this->noparse_tags)) {
$pattern = '#\\[(?<tag>\\w+)(?<attributes>(?:\\s|=)[^]]*)?](?<content>(?:[^[]|\\[(?!/?\\1((?:\\s|=)[^]]*)?])|(?R))*)\\[/\\1]#';
$content = preg_replace_callback($pattern, __METHOD__, $content);
$preg_error = preg_last_error();
}
$this->throwPregError($preg_error, $tag);
if ($callback && isset($this->tagmap[$tag]) && in_array($tag, $this->allowed_tags)) {
$this->BBTemp->tag = $tag;
$this->BBTemp->attributes = $attributes;
$this->BBTemp->content = $content;
$this->BBTemp->parserOptions = $this->parserOptions;
$this->BBTemp->languageInterface = $this->languageInterface;
$this->BBTemp->depth = $callback_count;
$this->moduleInterface = $this->modules[$this->tagmap[$tag]];
$this->moduleInterface->setBBTemp($this->BBTemp);
$content = $this->moduleInterface->transform();
}
$callback_count = 0;
return $content;
}
