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   1  <?php
   2  /**
   3   * MyBB 1.8
   4   * Copyright 2014 MyBB Group, All Rights Reserved
   5   *
   6   * Website: http://www.mybb.com
   7   * License: http://www.mybb.com/about/license
   8   *
   9   */
  10  
  11  class templates
  12  {
  13      /**
  14       * The total number of templates.
  15       *
  16       * @var int
  17       */
  18      public $total = 0;
  19  
  20      /**
  21       * The template cache.
  22       *
  23       * @var array
  24       */
  25      public $cache = array();
  26  
  27      /**
  28       * Array of templates loaded that were not loaded via the cache
  29       *
  30       * @var array
  31       */
  32      public $uncached_templates = array();
  33  
  34      /**
  35       * Cache the templates.
  36       *
  37       * @param string $templates A list of templates to cache.
  38       */
  39  	function cache($templates)
  40      {
  41          global $db, $theme;
  42          $sql = $sqladd = "";
  43          $names = explode(",", $templates);
  44          foreach($names as $key => $title)
  45          {
  46              $sql .= " ,'".trim($title)."'";
  47          }
  48  
  49          $query = $db->simple_select("templates", "title,template", "title IN (''$sql) AND sid IN ('-2','-1','".(int)$theme['templateset']."')", array('order_by' => 'sid', 'order_dir' => 'asc'));
  50          while($template = $db->fetch_array($query))
  51          {
  52              $this->cache[$template['title']] = $template['template'];
  53          }
  54      }
  55  
  56      /**
  57       * Gets templates.
  58       *
  59       * @param string $title The title of the template to get.
  60       * @param boolean|int $eslashes True if template contents must be escaped, false if not.
  61       * @param boolean|int $htmlcomments True to output HTML comments, false to not output.
  62       * @return string The template HTML.
  63       */
  64  	function get($title, $eslashes=1, $htmlcomments=1)
  65      {
  66          global $db, $theme, $mybb;
  67  
  68          //
  69          // DEVELOPMENT MODE
  70          //
  71          if($mybb->dev_mode == 1)
  72          {
  73              $template = $this->dev_get($title);
  74              if($template !== false)
  75              {
  76                  $this->cache[$title] = $template;
  77              }
  78          }
  79  
  80          if(!isset($this->cache[$title]))
  81          {
  82              // Only load master and global templates if template is needed in Admin CP
  83              if(empty($theme['templateset']))
  84              {
  85                  $query = $db->simple_select("templates", "template", "title='".$db->escape_string($title)."' AND sid IN ('-2','-1')", array('order_by' => 'sid', 'order_dir' => 'DESC', 'limit' => 1));
  86              }
  87              else
  88              {
  89                  $query = $db->simple_select("templates", "template", "title='".$db->escape_string($title)."' AND sid IN ('-2','-1','".(int)$theme['templateset']."')", array('order_by' => 'sid', 'order_dir' => 'DESC', 'limit' => 1));
  90              }
  91  
  92              $gettemplate = $db->fetch_array($query);
  93              if($mybb->debug_mode)
  94              {
  95                  $this->uncached_templates[$title] = $title;
  96              }
  97  
  98              if(empty($gettemplate))
  99              {
 100                  $gettemplate = array('template' => '');
 101              }
 102  
 103              $this->cache[$title] = $gettemplate['template'];
 104          }
 105          $template = $this->cache[$title];
 106  
 107          if($htmlcomments && $template !== false)
 108          {
 109              if($mybb->settings['tplhtmlcomments'] == 1)
 110              {
 111                  $template = "<!-- start: ".htmlspecialchars_uni($title)." -->\n{$template}\n<!-- end: ".htmlspecialchars_uni($title)." -->";
 112              }
 113              else
 114              {
 115                  $template = "\n{$template}\n";
 116              }
 117          }
 118  
 119          if($eslashes)
 120          {
 121              $template = str_replace("\\'", "'", addslashes($template));
 122          }
 123          return $template;
 124      }
 125      
 126      /**
 127       * Prepare a template for rendering to a variable.
 128       *
 129       * @param string $template The name of the template to get.
 130       * @param boolean $eslashes True if template contents must be escaped, false if not.
 131       * @param boolean $htmlcomments True to output HTML comments, false to not output.
 132       * @return string The eval()-ready PHP code for rendering the template
 133       */
 134  	function render($template, $eslashes=true, $htmlcomments=true)
 135      {
 136          return 'return "'.$this->get($template, $eslashes, $htmlcomments).'";';
 137      }
 138  
 139      /**
 140       * Fetch a template directly from the install/resources/mybb_theme.xml directory if it exists (DEVELOPMENT MODE)
 141       *
 142       * @param string $title
 143       * @return string|bool
 144       */
 145  	function dev_get($title)
 146      {
 147          static $template_xml;
 148  
 149          if(!$template_xml)
 150          {
 151              if(@file_exists(MYBB_ROOT."install/resources/mybb_theme.xml"))
 152              {
 153                  $template_xml = simplexml_load_file(MYBB_ROOT."install/resources/mybb_theme.xml");
 154              }
 155              else
 156              {
 157                  return false;
 158              }
 159          }
 160          $res = $template_xml->xpath("//template[@name='{$title}']");
 161          return $res[0];
 162      }
 163  }