inc/Cache/CacheParser.php

   1 <?php
   2
   3 namespace dokuwiki\Cache;
   4
   5 /**
   6  * Parser caching
   7  */
   8 class CacheParser extends Cache
   9 {
  10
  11     public $file = '';       // source file for cache
  12     public $mode = '';       // input mode (represents the processing the input file will undergo)
  13     public $page = '';
  14
  15     /**
  16      *
  17      * @param string $id page id
  18      * @param string $file source file for cache
  19      * @param string $mode input mode
  20      */
  21     public function __construct($id, $file, $mode)
  22     {
  23         global $INPUT;
  24
  25         if ($id) {
  26             $this->page = $id;
  27         }
  28         $this->file = $file;
  29         $this->mode = $mode;
  30
  31         $this->setEvent('PARSER_CACHE_USE');
  32         parent::__construct($file . $INPUT->server->str('HTTP_HOST') . $INPUT->server->str('SERVER_PORT'), '.' . $mode);
  33     }
  34
  35     /**
  36      * method contains cache use decision logic
  37      *
  38      * @return bool               see useCache()
  39      */
  40     public function makeDefaultCacheDecision()
  41     {
  42
  43         if (!file_exists($this->file)) {
  44             return false;
  45         }                   // source exists?
  46         return parent::makeDefaultCacheDecision();
  47     }
  48
  49     protected function addDependencies()
  50     {
  51
  52         // parser cache file dependencies ...
  53         $files = array(
  54             $this->file,                              // ... source
  55             DOKU_INC . 'inc/Parsing/Parser.php',                // ... parser
  56             DOKU_INC . 'inc/parser/handler.php',               // ... handler
  57         );
  58         $files = array_merge($files, getConfigFiles('main'));    // ... wiki settings
  59
  60         $this->depends['files'] = !empty($this->depends['files']) ?
  61             array_merge($files, $this->depends['files']) :
  62             $files;
  63         parent::addDependencies();
  64     }
  65
  66 }