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- removed cache resource plugin for mysql from the distribution

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Uwe.Tews
2009-12-01 19:36:58 +00:00
parent a8a17d09e9
commit e5cd6c8a17
2 changed files with 1 additions and 200 deletions
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1
change_log.txt
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@@ -1,6 +1,7 @@
12/01/2009
- fixed parsing of names of special formated tags like if,elseif,while,for,foreach
- removed direct access to constants in templates because of some syntax problems
- removed cache resource plugin for mysql from the distribution
11/30/2009
- map 'true' to SMARTY_CACHING_LIFETIME_CURRENT for the $smarty->caching parameter

200
libs/plugins/cacheresource.mysql.php
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@@ -1,200 +0,0 @@
<?php
/**
* Smarty Plugin CacheResource Mysql
*
* Implements MYSQL as resource for the HTML cache
*
*CREATE TABLE `SMARTY_CACHE` (
* `Id` int(12) NOT NULL,
* `CacheContents` mediumtext NOT NULL,
* `Timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
* `CacheId` varchar(100) NOT NULL,
* `CompileId` varchar(100) NOT NULL,
* `ResourceName` varchar(100) NOT NULL,
* UNIQUE KEY `NewIndex_1` (`Id`)
*) ENGINE=MyISAM DEFAULT CHARSET=latin1*
* @package Smarty
* @subpackage Plugins
* @author Uwe Tews
*/
/**
* This class does contain all necessary methods for the HTML cache on MYSQL system
*/
class Smarty_CacheResource_Mysql {
// set db host, user and pass here
public $db_host = 'localhost';
public $db_user = 'root';
public $db_pass = '';
public $db_name = 'SMARTY';
function __construct($smarty)
{
$this->smarty = $smarty;
if (!$this->link = mysql_pconnect($this->db_host, $this->db_user, $this->db_pass)) {
throw new Exception("Cache resource unable to connect to MYSQL");
}
mysql_select_db($this->db_name, $this->link);
}
/**
* Returns the filepath of the cached template output
*
* @param object $template current template
* @return string the cache filepath
*/
public function getCachedFilepath($template)
{
return $this->buildCachedFilepath ($template->resource_name, $template->cache_id, $template->compile_id);
}
/**
* Returns the timpestamp of the cached template output
*
* @param object $template current template
* @return integer |booelan the template timestamp or false if the file does not exist
*/
public function getCachedTimestamp($template)
{
$Id = $template->getCachedFilepath();
// read cache from database
$results = mysql_query("select UNIX_TIMESTAMP(Timestamp) from SMARTY_CACHE where Id='$Id'", $this->link);
if (!$results) {
$this->mysqlError();
}
$row = mysql_fetch_row($results);
return (int)$row[0];
}
/**
* Returns the cached template output
*
* @param object $template current template
* @return string |booelan the template content or false if the file does not exist
*/
public function getCachedContents($template)
{
$Id = $template->getCachedFilepath();
// read cache from database
$results = mysql_query("select CacheContents from SMARTY_CACHE where Id='$Id'", $this->link);
if (!$results) {
$this->mysqlError();
}
$row = mysql_fetch_row($results);
$cache_content = $row[0];
$_smarty_tpl = $template;
ob_start();
eval("?>" . $cache_content);
return ob_get_clean();
}
/**
* Writes the rendered template output to cache file
*
* @param object $template current template
* @return boolean status
*/
public function writeCachedContent($template, $content)
{
if (!$template->isEvaluated()) {
$_cache_id = isset($template->cache_id) ? preg_replace('![^\w\|]+!', '_', $template->cache_id) : null;
$_compile_id = isset($template->compile_id) ? preg_replace('![^\w\|]+!', '_', $template->compile_id) : null;
// save cache to database
$Id = $template->getCachedFilepath();
$results = mysql_query("replace into SMARTY_CACHE set Id = $Id, CacheContents = '" . addslashes($content) . "',
CacheId = '$_cache_id',
CompileId = '$_compile_id',
ResourceName = '$template->resource_name'", $this->link);
if (!$results) {
$this->mysqlError();
}
return $results;
} else {
return false;
}
}
/**
* Empty cache folder
*
* @param integer $exp_time expiration time
* @return integer number of cache files deleted
*/
public function clearAll($exp_time = null)
{
if ($exp_time === null) {
$results = mysql_query("truncate table SMARTY_CACHE", $this->link);
} else {
$results = mysql_query("delete ignore from SMARTY_CACHE where UNIX_TIMESTAMP(Timestamp) <= '$exp_time'", $this->link);
}
if (!$results) {
$this->mysqlError();
}
}
/**
* Empty cache for a specific template
*
* @param string $resource_name template name
* @param string $cache_id cache id
* @param string $compile_id compile id
* @param integer $exp_time expiration time
* @return integer number of cache files deleted
*/
public function clear($resource_name, $cache_id, $compile_id, $exp_time)
{
$_cache_id = isset($cache_id) ? preg_replace('![^\w\|]+!', '_', $cache_id) : null;
$_compile_id = isset($compile_id) ? preg_replace('![^\w\|]+!', '_', $compile_id) : null;
$where = '';
$and = '';
if (isset($resource_name)) {
$where = "ResourceName = '$resource_name' ";
$and = 'and ';
}
if (isset($_cache_id)) {
$length = strlen($_cache_id);
$where .= $and . "SUBSTRING(CacheId,1,$length) = '$_cache_id' ";
$and = 'and ';
}
if (isset($_compile_id)) {
$where .= $and . "CompileId = '$_compile_id' ";
$and = 'and ';
}
if (isset($exp_time)) {
$where .= $and . "UNIX_TIMESTAMP(Timestamp) <= '$exp_time' ";
}
$results = mysql_query("delete ignore from SMARTY_CACHE where $where", $this->link);
if (!$results) {
$this->mysqlError();
}
return mysql_affected_rows();
}
/**
* Get system filepath to cached file
*
* @param string $resource_name template name
* @param string $cache_id cache id
* @param string $compile_id compile id
* @return string filepath of cache file
*/
private function buildCachedFilepath ($resource_name, $cache_id, $compile_id)
{
$_cache_id = isset($cache_id) ? preg_replace('![^\w\|]+!', '_', $cache_id) : null;
$_compile_id = isset($compile_id) ? preg_replace('![^\w\|]+!', '_', $compile_id) : null;
return abs(crc32($resource_name . $_cache_id . $_compile_id));
}
/**
* MYSQL Error
*/
private function mysqlError ()
{
$error = mysql_error($this->link);
throw new Exception("Cache resource MYSQL error '{$error}'");
}
}
?>