-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');\r
-/**\r
- * CodeIgniter\r
- *\r
- * An open source application development framework for PHP 4.3.2 or newer\r
- *\r
- * @package CodeIgniter\r
- * @author ExpressionEngine Dev Team\r
- * @copyright Copyright (c) 2008, EllisLab, Inc.\r
- * @license http://codeigniter.com/user_guide/license.html\r
- * @link http://codeigniter.com\r
- * @since Version 1.0\r
- * @filesource\r
- */\r
-\r
-// ------------------------------------------------------------------------\r
-\r
-/**\r
- * Database Cache Class\r
- *\r
- * @category Database\r
- * @author ExpressionEngine Dev Team\r
- * @link http://codeigniter.com/user_guide/database/\r
- */\r
-class CI_DB_Cache {\r
-\r
- var $CI;\r
- var $db; // allows passing of db object so that multiple database connections and returned db objects can be supported\r
-\r
- /**\r
- * Constructor\r
- *\r
- * Grabs the CI super object instance so we can access it.\r
- *\r
- */ \r
- function CI_DB_Cache(&$db)\r
- {\r
- // Assign the main CI object to $this->CI\r
- // and load the file helper since we use it a lot\r
- $this->CI =& get_instance();\r
- $this->db =& $db;\r
- $this->CI->load->helper('file'); \r
- }\r
-\r
- // --------------------------------------------------------------------\r
-\r
- /**\r
- * Set Cache Directory Path\r
- *\r
- * @access public\r
- * @param string the path to the cache directory\r
- * @return bool\r
- */ \r
- function check_path($path = '')\r
- {\r
- if ($path == '')\r
- {\r
- if ($this->db->cachedir == '')\r
- {\r
- return $this->db->cache_off();\r
- }\r
- \r
- $path = $this->db->cachedir;\r
- }\r
- \r
- // Add a trailing slash to the path if needed\r
- $path = preg_replace("/(.+?)\/*$/", "\\1/", $path);\r
-\r
- if ( ! is_dir($path) OR ! is_really_writable($path))\r
- {\r
- // If the path is wrong we'll turn off caching\r
- return $this->db->cache_off();\r
- }\r
- \r
- $this->db->cachedir = $path;\r
- return TRUE;\r
- }\r
- \r
- // --------------------------------------------------------------------\r
-\r
- /**\r
- * Retrieve a cached query\r
- *\r
- * The URI being requested will become the name of the cache sub-folder.\r
- * An MD5 hash of the SQL statement will become the cache file name\r
- *\r
- * @access public\r
- * @return string\r
- */\r
- function read($sql)\r
- {\r
- if ( ! $this->check_path())\r
- {\r
- return $this->db->cache_off();\r
- }\r
-\r
- $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);\r
- \r
- $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);\r
- \r
- $filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql); \r
- \r
- if (FALSE === ($cachedata = read_file($filepath)))\r
- { \r
- return FALSE;\r
- }\r
- \r
- return unserialize($cachedata); \r
- } \r
-\r
- // --------------------------------------------------------------------\r
-\r
- /**\r
- * Write a query to a cache file\r
- *\r
- * @access public\r
- * @return bool\r
- */\r
- function write($sql, $object)\r
- {\r
- if ( ! $this->check_path())\r
- {\r
- return $this->db->cache_off();\r
- }\r
-\r
- $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);\r
- \r
- $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);\r
- \r
- $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';\r
- \r
- $filename = md5($sql);\r
- \r
- if ( ! @is_dir($dir_path))\r
- {\r
- if ( ! @mkdir($dir_path, DIR_WRITE_MODE))\r
- {\r
- return FALSE;\r
- }\r
- \r
- @chmod($dir_path, DIR_WRITE_MODE); \r
- }\r
- \r
- if (write_file($dir_path.$filename, serialize($object)) === FALSE)\r
- {\r
- return FALSE;\r
- }\r
- \r
- @chmod($dir_path.$filename, DIR_WRITE_MODE);\r
- return TRUE;\r
- }\r
-\r
- // --------------------------------------------------------------------\r
-\r
- /**\r
- * Delete cache files within a particular directory\r
- *\r
- * @access public\r
- * @return bool\r
- */\r
- function delete($segment_one = '', $segment_two = '')\r
- { \r
- if ($segment_one == '')\r
- {\r
- $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);\r
- }\r
- \r
- if ($segment_two == '')\r
- {\r
- $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);\r
- }\r
- \r
- $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';\r
- \r
- delete_files($dir_path, TRUE);\r
- }\r
-\r
- // --------------------------------------------------------------------\r
-\r
- /**\r
- * Delete all existing cache files\r
- *\r
- * @access public\r
- * @return bool\r
- */\r
- function delete_all()\r
- {\r
- delete_files($this->db->cachedir, TRUE);\r
- }\r
-\r
-}\r
-\r
-\r
-/* End of file DB_cache.php */\r
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author ExpressionEngine Dev Team
+ * @copyright Copyright (c) 2008 - 2009, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Database Cache Class
+ *
+ * @category Database
+ * @author ExpressionEngine Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_Cache {
+
+ var $CI;
+ var $db; // allows passing of db object so that multiple database connections and returned db objects can be supported
+
+ /**
+ * Constructor
+ *
+ * Grabs the CI super object instance so we can access it.
+ *
+ */
+ function CI_DB_Cache(&$db)
+ {
+ // Assign the main CI object to $this->CI
+ // and load the file helper since we use it a lot
+ $this->CI =& get_instance();
+ $this->db =& $db;
+ $this->CI->load->helper('file');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Set Cache Directory Path
+ *
+ * @access public
+ * @param string the path to the cache directory
+ * @return bool
+ */
+ function check_path($path = '')
+ {
+ if ($path == '')
+ {
+ if ($this->db->cachedir == '')
+ {
+ return $this->db->cache_off();
+ }
+
+ $path = $this->db->cachedir;
+ }
+
+ // Add a trailing slash to the path if needed
+ $path = preg_replace("/(.+?)\/*$/", "\\1/", $path);
+
+ if ( ! is_dir($path) OR ! is_really_writable($path))
+ {
+ // If the path is wrong we'll turn off caching
+ return $this->db->cache_off();
+ }
+
+ $this->db->cachedir = $path;
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Retrieve a cached query
+ *
+ * The URI being requested will become the name of the cache sub-folder.
+ * An MD5 hash of the SQL statement will become the cache file name
+ *
+ * @access public
+ * @return string
+ */
+ function read($sql)
+ {
+ if ( ! $this->check_path())
+ {
+ return $this->db->cache_off();
+ }
+
+ $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
+
+ $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
+
+ $filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql);
+
+ if (FALSE === ($cachedata = read_file($filepath)))
+ {
+ return FALSE;
+ }
+
+ return unserialize($cachedata);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Write a query to a cache file
+ *
+ * @access public
+ * @return bool
+ */
+ function write($sql, $object)
+ {
+ if ( ! $this->check_path())
+ {
+ return $this->db->cache_off();
+ }
+
+ $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
+
+ $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
+
+ $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
+
+ $filename = md5($sql);
+
+ if ( ! @is_dir($dir_path))
+ {
+ if ( ! @mkdir($dir_path, DIR_WRITE_MODE))
+ {
+ return FALSE;
+ }
+
+ @chmod($dir_path, DIR_WRITE_MODE);
+ }
+
+ if (write_file($dir_path.$filename, serialize($object)) === FALSE)
+ {
+ return FALSE;
+ }
+
+ @chmod($dir_path.$filename, DIR_WRITE_MODE);
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete cache files within a particular directory
+ *
+ * @access public
+ * @return bool
+ */
+ function delete($segment_one = '', $segment_two = '')
+ {
+ if ($segment_one == '')
+ {
+ $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
+ }
+
+ if ($segment_two == '')
+ {
+ $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
+ }
+
+ $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
+
+ delete_files($dir_path, TRUE);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete all existing cache files
+ *
+ * @access public
+ * @return bool
+ */
+ function delete_all()
+ {
+ delete_files($this->db->cachedir, TRUE);
+ }
+
+}
+
+
+/* End of file DB_cache.php */
/* Location: ./system/database/DB_cache.php */
\ No newline at end of file
git://git.onelab.eu / www-register-wizard.git / blobdiff