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   1  <?php
   2  /*
   3   * Limb PHP Framework
   4   *
   5   * @link http://limb-project.com 
   6   * @copyright  Copyright &copy; 2004-2007 BIT(http://bit-creative.com)
   7   * @license    LGPL http://www.gnu.org/copyleft/lesser.html 
   8   */
   9  lmb_require('limb/fs/src/lmbFs.class.php');
  10  
  11  /**

  12   * class lmbFullPageCacheWriter.

  13   *

  14   * @package web_cache

  15   * @version $Id: lmbFullPageCacheWriter.class.php 5945 2007-06-06 08:31:43Z pachanga $

  16   */
  17  class lmbFullPageCacheWriter
  18  {
  19    protected $storage_dir;
  20    protected $cache_file = 'cache.html';
  21  
  22    function __construct($dir)
  23    {
  24      $this->storage_dir = $dir;
  25    }
  26  
  27    function setStorageDirectory($dir)
  28    {
  29      $this->storage_dir = $dir;
  30    }
  31  
  32    function getCacheFile()
  33    {
  34      return $this->cache_file;
  35    }
  36  
  37    function setCacheFile($file)
  38    {
  39      $this->cache_file = $file;
  40    }
  41  
  42    function _getFilePath($cache)
  43    {
  44      return $this->storage_dir . '/' . $cache . '/' . $this->cache_file;
  45    }
  46  
  47    function flush($cache = null)
  48    {
  49      if(!$cache)
  50        return $this->flushAll();
  51  
  52      if(file_exists($file = $this->_getFilePath($cache)))
  53      {
  54        unlink($file);
  55        return true;
  56      }
  57  
  58      return false;
  59    }
  60  
  61    function flushAll()
  62    {
  63      return lmbFs :: rm($this->storage_dir);
  64    }
  65  
  66    function getCacheSize()
  67    {
  68      $files = lmbFs :: findRecursive($this->storage_dir, 'f');
  69  
  70      $size = 0;
  71      foreach($files as $file)
  72        $size += filesize($file);
  73  
  74      return $size;
  75    }
  76  
  77    function save($cache, $contents)
  78    {
  79      $file = $this->_getFilePath($cache);
  80      $dir = dirname($file);
  81  
  82      //cache conflict

  83      if(basename($dir) == $this->cache_file)
  84        return false;
  85  
  86      lmbFs :: mkdir($dir);
  87      lmbFs :: safeWrite($file, $contents);
  88    }
  89  
  90    function get($cache)
  91    {
  92      if(file_exists($file = $this->_getFilePath($cache)))
  93        return file_get_contents($file);
  94      else
  95        return false;
  96    }
  97  }
  98  
  99  ?>