include/friendica_smarty.php

   1 <?php
   2
   3 use Friendica\Core\Addon;
   4 use Friendica\Render\ITemplateEngine;
   5
   6 require_once "include/plugin.php";
   7
   8 define('SMARTY3_TEMPLATE_FOLDER', 'templates');
   9
  10 class FriendicaSmarty extends Smarty
  11 {
  12         public $filename;
  13
  14         function __construct()
  15         {
  16                 parent::__construct();
  17
  18                 $a = get_app();
  19                 $theme = current_theme();
  20
  21                 // setTemplateDir can be set to an array, which Smarty will parse in order.
  22                 // The order is thus very important here
  23                 $template_dirs = ['theme' => "view/theme/$theme/" . SMARTY3_TEMPLATE_FOLDER . "/"];
  24                 if (x($a->theme_info, "extends"))
  25                         $template_dirs = $template_dirs + ['extends' => "view/theme/" . $a->theme_info["extends"] . "/" . SMARTY3_TEMPLATE_FOLDER . "/"];
  26                 $template_dirs = $template_dirs + ['base' => "view/" . SMARTY3_TEMPLATE_FOLDER . "/"];
  27                 $this->setTemplateDir($template_dirs);
  28
  29                 $this->setCompileDir('view/smarty3/compiled/');
  30                 $this->setConfigDir('view/smarty3/config/');
  31                 $this->setCacheDir('view/smarty3/cache/');
  32
  33                 $this->left_delimiter = $a->get_template_ldelim('smarty3');
  34                 $this->right_delimiter = $a->get_template_rdelim('smarty3');
  35
  36                 // Don't report errors so verbosely
  37                 $this->error_reporting = E_ALL & ~E_NOTICE;
  38         }
  39
  40         function parsed($template = '')
  41         {
  42                 if ($template) {
  43                         return $this->fetch('string:' . $template);
  44                 }
  45                 return $this->fetch('file:' . $this->filename);
  46         }
  47
  48 }
  49
  50 class FriendicaSmartyEngine implements ITemplateEngine
  51 {
  52         static $name = "smarty3";
  53
  54         public function __construct()
  55         {
  56                 if (!is_writable('view/smarty3/')) {
  57                         echo "<b>ERROR:</b> folder <tt>view/smarty3/</tt> must be writable by webserver.";
  58                         killme();
  59                 }
  60         }
  61
  62         // ITemplateEngine interface
  63         public function replaceMacros($s, $r)
  64         {
  65                 $template = '';
  66                 if (gettype($s) === 'string') {
  67                         $template = $s;
  68                         $s = new FriendicaSmarty();
  69                 }
  70
  71                 $r['$APP'] = get_app();
  72
  73                 // "middleware": inject variables into templates
  74                 $arr = [
  75                         "template" => basename($s->filename),
  76                         "vars" => $r
  77                 ];
  78                 Addon::callHooks("template_vars", $arr);
  79                 $r = $arr['vars'];
  80
  81                 foreach ($r as $key => $value) {
  82                         if ($key[0] === '$') {
  83                                 $key = substr($key, 1);
  84                         }
  85                         $s->assign($key, $value);
  86                 }
  87                 return $s->parsed($template);
  88         }
  89
  90         public function getTemplateFile($file, $root = '')
  91         {
  92                 $a = get_app();
  93                 $template_file = get_template_file($a, SMARTY3_TEMPLATE_FOLDER . '/' . $file, $root);
  94                 $template = new FriendicaSmarty();
  95                 $template->filename = $template_file;
  96                 return $template;
  97         }
  98 }