lib/api/smarty/sysplugins/smarty_internal_resource_string.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Resource String
   4  *
   5  * @package    Smarty
   6  * @subpackage TemplateResources
   7  * @author     Uwe Tews
   8  * @author     Rodney Rehm
   9  */
  10
  11 /**
  12  * Smarty Internal Plugin Resource String
  13  * Implements the strings as resource for Smarty template
  14  * {@internal unlike eval-resources the compiled state of string-resources is saved for subsequent access}}
  15  *
  16  * @package    Smarty
  17  * @subpackage TemplateResources
  18  */
  19 class Smarty_Internal_Resource_String extends Smarty_Resource
  20 {
  21     /**
  22      * populate Source Object with meta data from Resource
  23      *
  24      * @param  Smarty_Template_Source   $source    source object
  25      * @param  Smarty_Internal_Template $_template template object
  26      *
  27      * @return void
  28      */
  29     public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
  30     {
  31         $source->uid = $source->filepath = sha1($source->name);
  32         $source->timestamp = 0;
  33         $source->exists = true;
  34     }
  35
  36     /**
  37      * Load template's source from $resource_name into current template object
  38      *
  39      * @uses decode() to decode base64 and urlencoded template_resources
  40      *
  41      * @param  Smarty_Template_Source $source source object
  42      *
  43      * @return string                 template source
  44      */
  45     public function getContent(Smarty_Template_Source $source)
  46     {
  47         return $this->decode($source->name);
  48     }
  49
  50     /**
  51      * decode base64 and urlencode
  52      *
  53      * @param  string $string template_resource to decode
  54      *
  55      * @return string decoded template_resource
  56      */
  57     protected function decode($string)
  58     {
  59         // decode if specified
  60         if (($pos = strpos($string, ':')) !== false) {
  61             if (!strncmp($string, 'base64', 6)) {
  62                 return base64_decode(substr($string, 7));
  63             } elseif (!strncmp($string, 'urlencode', 9)) {
  64                 return urldecode(substr($string, 10));
  65             }
  66         }
  67
  68         return $string;
  69     }
  70
  71     /**
  72      * modify resource_name according to resource handlers specifications
  73      *
  74      * @param  Smarty  $smarty        Smarty instance
  75      * @param  string  $resource_name resource_name to make unique
  76      * @param  boolean $is_config     flag for config resource
  77      *
  78      * @return string unique resource name
  79      */
  80     protected function buildUniqueResourceName(Smarty $smarty, $resource_name, $is_config = false)
  81     {
  82         return get_class($this) . '#' . $this->decode($resource_name);
  83     }
  84
  85     /**
  86      * Determine basename for compiled filename
  87      * Always returns an empty string.
  88      *
  89      * @param  Smarty_Template_Source $source source object
  90      *
  91      * @return string                 resource's basename
  92      */
  93     protected function getBasename(Smarty_Template_Source $source)
  94     {
  95         return '';
  96     }
  97 }