====== cache Plugin ======

---- plugin ----
description: Cache helper class
author     : Ikuo Obataya
email      : I.Obataya@gmail.com
type       : helper
lastupdate : 2008-05-14
compatible : 2008-05-05
depends    : 
conflicts  : 
similar    : 
tags       : cache

downloadurl: http://symplus.edu-wiki.org/_media/computer/source/cache.zip
----

This plugin provides a cache mechanism to plugins which needs to store cache files for its own. 

^Web page|http://symplus.edu-wiki.org/en/cache_plugin||
^Download|{{http://symplus.edu-wiki.org/_media/computer/source/cache.zip|cache.zip}}(1.2KB)|2008-05-14|

=====plugin_cache class=====
**properties**
^namespace  |Namespace to store cache files|
^mediaDir   |Media directory path|
^mediaFormat|String format to make a cache path|
^linkFormat |String format to make a link (DokuWiki ID)|
^prefix     |Prefix for cache files|
^extension  |Extension for cache files|

**functions**
^GetMediaPath($id)|Get a media path for cache ID|
^GetMediaLink($id)|Get a link URL to fetch a cache|
^GetMediaText($id)|Get a text of cache file|
^CheckDir()|Check and make a cache directory called in constructor|
^ClearCache()|Clear all cache files in a namespace|
^RemoveDir()|Clear and remove cache directory|

=====History=====
  *2008.5.14
    *Bug fix for incorrect media directory path creation.
  *2008.4.18
    *Bug fix for some incorrect media links with ‘:’
  *2008.3.22
    *First version was uploaded.

===== Discussion =====

Thanks for your work. I still have a problem with URL and path with the **2008.4.18** release. I'm using ''$conf['useslash']    = 0'' and file are create in ''data/media:namespace:filename'' and not in ''data/media/namespace/filename''. I made the following change :

<code diff>
--- plugin_cache.php.orig    2008-04-18 20:19:54.000000000 +0200
+++ plugin_cache.php        2008-04-27 00:48:59.000000000 +0200
@@ -25,8 +25,8 @@
       $this->prefix = $_prefix.'_';
     }
     $delimiter = ($conf['useslash'])?'/':':';
-    $this->mediaDir    = $conf['mediadir'].$delimiter.$this->namespace;
-    $this->mediaFormat = $this->mediaDir.$delimiter.$this->prefix.'%s.'.$this->extension;
+    $this->mediaDir    = $conf['mediadir']."/".$this->namespace;
+    $this->mediaFormat = $this->mediaDir."/".$this->prefix.'%s.'.$this->extension;
     $this->linkFormat  = $this->namespace.$delimiter.$this->prefix.'%s.'.$this->extension;

     $this->CheckDir();
</code>
--- //[[macfly_email@yahoo.fr|Macfly]] 2008/04/27 00:51//

>Thank you, Macfly. I updated the file and uploaded.
 --- //[[I.Obataya@gmail.com|Ikuo Obataya]] 2008/05/14 17:02//