text: <?php
  /**
   * Smarty Internal Plugin Resource String
   *
   * @package    Smarty
   * @subpackage TemplateResources
   * @author     Uwe Tews
   * @author     Rodney Rehm
   */
  
  /**
   * Smarty Internal Plugin Resource String
   * Implements the strings as resource for Smarty template
   * {@internal unlike eval-resources the compiled state of string-resources is saved for subsequent access}}
   *
   * @package    Smarty
   * @subpackage TemplateResources
   */
  class Smarty_Internal_Resource_String extends Smarty_Resource
  {
      /**
       * populate Source Object with meta data from Resource
       *
       * @param  Smarty_Template_Source   $source    source object
       * @param  Smarty_Internal_Template $_template template object
       *
       * @return void
       */
      public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
      {
          $source->uid = $source->filepath = sha1($source->name . $source->smarty->_joined_template_dir);
          $source->timestamp = $source->exists = true;
      }
  
      /**
       * Load template's source from $resource_name into current template object
       *
       * @uses decode() to decode base64 and urlencoded template_resources
       *
       * @param  Smarty_Template_Source $source source object
       *
       * @return string                 template source
       */
      public function getContent(Smarty_Template_Source $source)
      {
          return $this->decode($source->name);
      }
  
      /**
       * decode base64 and urlencode
       *
       * @param  string $string template_resource to decode
       *
       * @return string decoded template_resource
       */
      protected function decode($string)
      {
          // decode if specified
          if (($pos = strpos($string, ':')) !== false) {
              if (!strncmp($string, 'base64', 6)) {
                  return base64_decode(substr($string, 7));
              } elseif (!strncmp($string, 'urlencode', 9)) {
                  return urldecode(substr($string, 10));
              }
          }
  
          return $string;
      }
  
      /**
       * modify resource_name according to resource handlers specifications
       *
       * @param  Smarty  $smarty        Smarty instance
       * @param  string  $resource_name resource_name to make unique
       * @param  boolean $isConfig      flag for config resource
       *
       * @return string unique resource name
       */
      public function buildUniqueResourceName(Smarty $smarty, $resource_name, $isConfig = false)
      {
          return get_class($this) . '#' . $this->decode($resource_name);
      }
  
      /**
       * Determine basename for compiled filename
       * Always returns an empty string.
       *
       * @param  Smarty_Template_Source $source source object
       *
       * @return string                 resource's basename
       */
      public function getBasename(Smarty_Template_Source $source)
      {
          return '';
      }
  
      /*
          * Disable timestamp checks for string resource.
          *
          * @return bool
          */
      public function checkTimestamps()
      {
          return false;
      }
  }
  
  