src/Render/FriendicaSmartyEngine.php

   1 <?php
   2 /**
   3  * @file src/Render/FriendicaSmartyEngine.php
   4  */
   5 namespace Friendica\Render;
   6
   7 use Friendica\Core\Addon;
   8
   9 define('SMARTY3_TEMPLATE_FOLDER', 'templates');
  10
  11 class FriendicaSmartyEngine implements ITemplateEngine
  12 {
  13         static $name = "smarty3";
  14
  15         public function __construct()
  16         {
  17                 if (!is_writable('view/smarty3/')) {
  18                         echo "<b>ERROR:</b> folder <tt>view/smarty3/</tt> must be writable by webserver.";
  19                         killme();
  20                 }
  21         }
  22
  23         // ITemplateEngine interface
  24         public function replaceMacros($s, $r)
  25         {
  26                 $template = '';
  27                 if (gettype($s) === 'string') {
  28                         $template = $s;
  29                         $s = new FriendicaSmarty();
  30                 }
  31
  32                 $r['$APP'] = get_app();
  33
  34                 // "middleware": inject variables into templates
  35                 $arr = [
  36                         "template" => basename($s->filename),
  37                         "vars" => $r
  38                 ];
  39                 Addon::callHooks("template_vars", $arr);
  40                 $r = $arr['vars'];
  41
  42                 foreach ($r as $key => $value) {
  43                         if ($key[0] === '$') {
  44                                 $key = substr($key, 1);
  45                         }
  46
  47                         $s->assign($key, $value);
  48                 }
  49                 return $s->parsed($template);
  50         }
  51
  52         public function getTemplateFile($file, $root = '')
  53         {
  54                 $a = get_app();
  55                 $template_file = get_template_file($a, SMARTY3_TEMPLATE_FOLDER . '/' . $file, $root);
  56                 $template = new FriendicaSmarty();
  57                 $template->filename = $template_file;
  58
  59                 return $template;
  60         }
  61 }