lib/api/smarty/sysplugins/smarty_internal_resource_stream.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Resource Stream
   4  * Implements the streams as resource for Smarty template
   5  *
   6  * @package    Smarty
   7  * @subpackage TemplateResources
   8  * @author     Uwe Tews
   9  * @author     Rodney Rehm
  10  */
  11
  12 /**
  13  * Smarty Internal Plugin Resource Stream
  14  * Implements the streams as resource for Smarty template
  15  *
  16  * @link       http://php.net/streams
  17  * @package    Smarty
  18  * @subpackage TemplateResources
  19  */
  20 class Smarty_Internal_Resource_Stream extends Smarty_Resource_Recompiled
  21 {
  22     /**
  23      * populate Source Object with meta data from Resource
  24      *
  25      * @param Smarty_Template_Source   $source    source object
  26      * @param Smarty_Internal_Template $_template template object
  27      *
  28      * @return void
  29      */
  30     public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
  31     {
  32         if (strpos($source->resource, '://') !== false) {
  33             $source->filepath = $source->resource;
  34         } else {
  35             $source->filepath = str_replace(':', '://', $source->resource);
  36         }
  37         $source->uid = false;
  38         $source->content = $this->getContent($source);
  39         $source->timestamp = false;
  40         $source->exists = !!$source->content;
  41     }
  42
  43     /**
  44      * Load template's source from stream into current template object
  45      *
  46      * @param Smarty_Template_Source $source source object
  47      *
  48      * @return string template source
  49      * @throws SmartyException if source cannot be loaded
  50      */
  51     public function getContent(Smarty_Template_Source $source)
  52     {
  53         $t = '';
  54         // the availability of the stream has already been checked in Smarty_Resource::fetch()
  55         $fp = fopen($source->filepath, 'r+');
  56         if ($fp) {
  57             while (!feof($fp) && ($current_line = fgets($fp)) !== false) {
  58                 $t .= $current_line;
  59             }
  60             fclose($fp);
  61
  62             return $t;
  63         } else {
  64             return false;
  65         }
  66     }
  67
  68     /**
  69      * modify resource_name according to resource handlers specifications
  70      *
  71      * @param Smarty   $smarty        Smarty instance
  72      * @param string   $resource_name resource_name to make unique
  73      * @param  boolean $is_config     flag for config resource
  74      *
  75      * @return string unique resource name
  76      */
  77     protected function buildUniqueResourceName(Smarty $smarty, $resource_name, $is_config = false)
  78     {
  79         return get_class($this) . '#' . $resource_name;
  80     }
  81 }