include/friendica_smarty.php

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