public function output($depth)
{
$document = new Document();
$target = $this->getOption('target');
$link = $this->getOption('link') ?: $target;
$link_text = $this->getOption('link-text') ?: "See: {$link}";
$pre_link_text = $this->getOption('link-pre-text') ?: '';
$post_link_text = $this->getOption('link-post-text') ?: '';
if (is_file($target) && !is_writable($target) || !$this->recursiveTouch($target)) {
throw new TargetNotWritableException($target . ' not writable');
}
// $output = '';
foreach ($this->getChildren() as $child) {
$document->appendChild($child->output(0));
}
file_put_contents($target, $document->exportMarkdown());
return "{$pre_link_text}[{$link_text}]({$link}){$post_link_text}\n\n";
}
