include/friendica_smarty.php

   1 <?php
   2
   3 use Friendica\Core\Addon;
   4 use Friendica\Render\ITemplateEngine;
   5
   6 define('SMARTY3_TEMPLATE_FOLDER', 'templates');
   7
   8 class FriendicaSmarty extends Smarty
   9 {
  10         public $filename;
  11
  12         function __construct()
  13         {
  14                 parent::__construct();
  15
  16                 $a = get_app();
  17                 $theme = current_theme();
  18
  19                 // setTemplateDir can be set to an array, which Smarty will parse in order.
  20                 // The order is thus very important here
  21                 $template_dirs = ['theme' => "view/theme/$theme/" . SMARTY3_TEMPLATE_FOLDER . "/"];
  22                 if (x($a->theme_info, "extends"))
  23                         $template_dirs = $template_dirs + ['extends' => "view/theme/" . $a->theme_info["extends"] . "/" . SMARTY3_TEMPLATE_FOLDER . "/"];
  24                 $template_dirs = $template_dirs + ['base' => "view/" . SMARTY3_TEMPLATE_FOLDER . "/"];
  25                 $this->setTemplateDir($template_dirs);
  26
  27                 $this->setCompileDir('view/smarty3/compiled/');
  28                 $this->setConfigDir('view/smarty3/config/');
  29                 $this->setCacheDir('view/smarty3/cache/');
  30
  31                 $this->left_delimiter = $a->get_template_ldelim('smarty3');
  32                 $this->right_delimiter = $a->get_template_rdelim('smarty3');
  33
  34                 // Don't report errors so verbosely
  35                 $this->error_reporting = E_ALL & ~E_NOTICE;
  36         }
  37
  38         function parsed($template = '')
  39         {
  40                 if ($template) {
  41                         return $this->fetch('string:' . $template);
  42                 }
  43                 return $this->fetch('file:' . $this->filename);
  44         }
  45
  46 }
  47
  48 class FriendicaSmartyEngine implements ITemplateEngine
  49 {
  50         static $name = "smarty3";
  51
  52         public function __construct()
  53         {
  54                 if (!is_writable('view/smarty3/')) {
  55                         echo "<b>ERROR:</b> folder <tt>view/smarty3/</tt> must be writable by webserver.";
  56                         killme();
  57                 }
  58         }
  59
  60         // ITemplateEngine interface
  61         public function replaceMacros($s, $r)
  62         {
  63                 $template = '';
  64                 if (gettype($s) === 'string') {
  65                         $template = $s;
  66                         $s = new FriendicaSmarty();
  67                 }
  68
  69                 $r['$APP'] = get_app();
  70
  71                 // "middleware": inject variables into templates
  72                 $arr = [
  73                         "template" => basename($s->filename),
  74                         "vars" => $r
  75                 ];
  76                 Addon::callHooks("template_vars", $arr);
  77                 $r = $arr['vars'];
  78
  79                 foreach ($r as $key => $value) {
  80                         if ($key[0] === '$') {
  81                                 $key = substr($key, 1);
  82                         }
  83                         $s->assign($key, $value);
  84                 }
  85                 return $s->parsed($template);
  86         }
  87
  88         public function getTemplateFile($file, $root = '')
  89         {
  90                 $a = get_app();
  91                 $template_file = get_template_file($a, SMARTY3_TEMPLATE_FOLDER . '/' . $file, $root);
  92                 $template = new FriendicaSmarty();
  93                 $template->filename = $template_file;
  94                 return $template;
  95         }
  96 }