cx/lib/markdown.php

   1 <?php
   2
   3 cx_require('lib', 'images.php');
   4 cx_require('lib', 'url.php');
   5 cx_require('third_party', 'parsedown', 'Parsedown.php');
   6
   7 class ExtendedParsedown extends Parsedown {
   8         public function __construct() {
   9                 $this->InlineTypes['{'][]= 'BlogImage';
  10                 $this->inlineMarkerList .= '{';
  11         }
  12
  13         protected function inlineBlogImage($excerpt) {
  14                 if (preg_match('/^{img:([^}]+)}/', $excerpt['text'], $matches)) {
  15                         $image_id = $matches[1];
  16                         $image = cx_images_find_image($image_id);
  17
  18                         if ($image == null) {
  19                                 return;
  20                         }
  21
  22                         $permalink = '/data/images/' . $image->url;
  23
  24                         return array(
  25                                 'extent' => strlen($matches[0]) + 1,
  26                                 'element' => array(
  27                                         'name' => 'img',
  28                                         'attributes' => array(
  29                                                 'src' => cx_url_site($permalink),
  30                                                 'alt' => $image->alt_text,
  31                                         ),
  32                                 ),
  33                         );
  34                 }
  35         }
  36 }
  37
  38 function cx_markdown_generate_html($markdown) {
  39         static $Parsedown = new ExtendedParsedown();
  40         return $Parsedown->text($markdown);
  41 }