Raphaël G. Git Repositories - airbundle/blob - Twig/Bb2htmlExtension.php

   1 <?php
   2 // src/Rapsys/AirBundle/Twig/Bb2htmlExtension.php
   3 namespace Rapsys\AirBundle\Twig;
   4
   5 class Bb2htmlExtension extends \Twig_Extension {
   6         public function getFilters() {
   7                 return array(
   8                         new \Twig\TwigFilter(
   9                                 'bb2html',
  10                                 function($text) {
  11                                         $ctx = bbcode_create(
  12                                                 array(
  13                                                         '' => array('type' => BBCODE_TYPE_ROOT),
  14                                                         'code' => array(
  15                                                                 'type' => BBCODE_TYPE_OPTARG,
  16                                                                 'open_tag' => '<pre class="{PARAM}">',
  17                                                                 'close_tag' => '</pre>',
  18                                                                 'default_arg' => '{CONTENT}'
  19                                                         ),
  20                                                         'ul' => array(
  21                                                                 'type' => BBCODE_TYPE_NOARG,
  22                                                                 'open_tag' => '<ul>',
  23                                                                 'close_tag' => '</ul>',
  24                                                                 'childs' => 'li'
  25                                                         ),
  26                                                         'li' => array(
  27                                                                 'type' => BBCODE_TYPE_NOARG,
  28                                                                 'open_tag' => '<li>',
  29                                                                 'close_tag' => '</li>',
  30                                                                 'parent' => 'ul',
  31                                                                 'childs' => 'url'
  32                                                         ),
  33                                                         'url' => array(
  34                                                                 'type' => BBCODE_TYPE_OPTARG,
  35                                                                 'open_tag' => '<a href="{PARAM}">',
  36                                                                 'close_tag' => '</a>',
  37                                                                 'default_arg' => '{CONTENT}',
  38                                                                 'parent' => 'p,li'
  39                                                         )
  40                                                 )
  41                                         );
  42                                         $text = nl2br(bbcode_parse($ctx, htmlspecialchars($text)));
  43                                         if (preg_match_all('#\<pre[^>]*\>(.*?)\</pre\>#s', $text, $matches) && !empty($matches[1])) {
  44                                                 foreach($matches[1] as $string) {
  45                                                         $text = str_replace($string, str_replace('<br />', '', $string), $text);
  46                                                 }
  47                                         }
  48                                         if (preg_match_all('#\<ul[^>]*\>(.*?)\</ul\>#s', $text, $matches) && !empty($matches[1])) {
  49                                                 foreach($matches[1] as $string) {
  50                                                         $text = str_replace($string, str_replace('<br />', '', $string), $text);
  51                                                 }
  52                                         }
  53                                         $text = preg_replace(
  54                                                 array('#(<br />(\r?\n?))*<pre#s', '#</pre>(<br />(\r?\n?))*#', '#(<br />(\r?\n?))*<ul#s', '#</ul>(<br />(\r?\n?))*#', '#(<br />(\r?\n?)){2,}#'),
  55                                                 array('</p>\2<pre', '</pre>\2<p>', '</p>\2<ul', '</ul>\2<p>', '</p>\2<p>'),
  56                                                 $text
  57                                         );
  58                                         return $text;
  59                                 },
  60                                 array('is_safe' => array('html'))
  61                         )
  62                 );
  63         }
  64 }