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kekrozsak/src/KekRozsak/FrontBundle/Extension/TwigBBExtension.php

80 lines
2.3 KiB

<?php
namespace KekRozsak\FrontBundle\Extension;
use Symfony\Component\DependencyInjection\ContainerInterface;
class TwigBBExtension extends \Twig_Extension
{
private $assets;
public function __construct(ContainerInterface $container)
{
$this->assets = $container->get('templating.helper.assets');
}
public function getFilters()
{
return array(
'bbdecode' => new \Twig_Filter_Method($this, 'bbdecode', array(
'is_safe' => array('html'),
)),
);
}
public function bbdecode($sentence)
{
$sentence = htmlspecialchars($sentence, ENT_NOQUOTES);
$sentence = str_replace(array("\r\n", "\n", "\r"), "<br />", $sentence);
$sentence = preg_replace('/\\[u\\](.*?)\\[\\/u\\]/im', '<span class="u">\\1</span>', $sentence);
$sentence = preg_replace('/\\[b\\](.*?)\\[\\/b\\]/im', '<span class="b">\\1</span>', $sentence);
$sentence = preg_replace('/\\[i\\](.*?)\\[\\/i\\]/im', '<span class="i">\\1</span>', $sentence);
while (preg_match('/\\[img( (ns|name)="[^"]+"){1,}\\]/i', $sentence, $m, PREG_OFFSET_CAPTURE))
{
$start = $m[0][1];
$len = strlen($m[0][0]);
$full_tag = $m[0][0];
$ns = (preg_match('/ ns="([^"]+)"/', $full_tag, $ns)) ? trim($ns[1]) : '';
$name = (preg_match('/ name="([^"]+)"/', $full_tag, $name)) ? trim($name[1]) : '';
if ($name == '')
{
$sentence = substr_replace($sentence, 'Hibás kép', $start, $len);
}
else
{
// TODO: Thumbnailing!
$sentence = substr_replace($sentence, '<img src="' . $this->assets->getUrl('upload/images/' . (($ns == '') ? '' : $ns . '/') . $name) . '" alt="" />', $start, $len);
}
}
while (preg_match('/\\[link( (url)="[^"]+"){1,}\\](?P<content>.*?)\\[\\/link\\]/i', $sentence, $m, PREG_OFFSET_CAPTURE))
{
$start = $m[0][1];
$len = strlen($m[0][0]);
$full_tag = $m[0][0];
$url = (preg_match('/ url="([^"]+)"/', $full_tag, $url)) ? trim($url[1]) : '';
$content = '';
if (array_key_exists('content', $m))
{
$content = trim($m['content'][0]);
}
if (($url == '') || ($content == ''))
{
$sentence = substr_replace($sentence, 'Hibás link', $start, $len);
}
else
{
$sentence = substr_replace($sentence, '<a href="' . $url . '" target="_blank">' . $content . '</a>', $start, $len);
}
}
return $sentence;
}
public function getName()
{
return 'twig_bb';
}
}