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<?php
/**
* TSimpleDbStatementAnalysis file.
*
* @author Yves Berkholz <godzilla80[at]gmx[dot]net>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2010 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Id$
* @package System.Testing.Data.Analysis
*/
Prado::using('System.Testing.Data.Analysis.TDbStatementAnalysis');
/**
* TSimpleDbStatementAnalysis class
*
* IMPORTANT!!!
* BETA Version - Use with care and NOT in production environment (only tested with MySql)
*
* @author Yves Berkholz <godzilla80[at]gmx[dot]net>
* @license http://www.pradosoft.com/license/
* @version $Id$
* @package System.Testing.Data.Analysis
* @since 4.0
* @todo SELECT * FOR UPDATE (row lock)
* @todo SELECT * INTO [ TEMPORARY | TEMP ] [ TABLE ] new_table (PostgreSQL)
* @todo mysql conditional commands in multiline comments e.g. / *! MySQL specific code * /
*/
class TSimpleDbStatementAnalysis extends TDbStatementAnalysis
{
/**
* @var array mapping of commands to classification
*/
protected static $mappingClassificationAnalysis = array(
'CREATE' => TDbStatementClassification::DDL,
'DROP' => TDbStatementClassification::DDL,
'ALTER' => TDbStatementClassification::DDL,
'RENAME' => TDbStatementClassification::DDL,
'INSERT' => TDbStatementClassification::DML,
'UPDATE' => TDbStatementClassification::DML,
'DELETE' => TDbStatementClassification::DML,
'REPLACE' => TDbStatementClassification::DML,
'TRUNCATE' => TDbStatementClassification::DML,
'LOAD' => TDbStatementClassification::DML,
'GRANT' => TDbStatementClassification::DCL,
'REVOKE' => TDbStatementClassification::DCL,
'XA' => TDbStatementClassification::TCL,
'SAVEPOINT' => TDbStatementClassification::TCL,
'CHECKPOINT' => TDbStatementClassification::TCL,
'RELEASE SAVEPOINT' => TDbStatementClassification::TCL,
'START TRANSACTION' => TDbStatementClassification::TCL,
'BEGIN' => TDbStatementClassification::TCL,
'COMMIT' => TDbStatementClassification::TCL,
'ROLLBACK' => TDbStatementClassification::TCL,
'LOCK' => TDbStatementClassification::TCL,
'UNLOCK' => TDbStatementClassification::TCL,
'ABORT' => TDbStatementClassification::TCL,
'END' => TDbStatementClassification::TCL,
'SELECT' => TDbStatementClassification::SQL,
'SHOW' => TDbStatementClassification::SQL,
'DESCRIBE' => TDbStatementClassification::SQL,
'EXPLAIN' => TDbStatementClassification::SQL,
'PRAGMA' => TDbStatementClassification::SQL,
'SET' => TDbStatementClassification::CONTEXT,
'USE' => TDbStatementClassification::CONTEXT,
'CALL' => TDbStatementClassification::UNKNOWN,
'EXEC' => TDbStatementClassification::UNKNOWN,
'PREPARE' => TDbStatementClassification::UNKNOWN,
'EXECUTE' => TDbStatementClassification::UNKNOWN,
'DEALLOCATE' => TDbStatementClassification::UNKNOWN,
);
/**
* @var array
*/
protected static $cacheClassificationAnalysis = array();
/**
* @var string
*/
protected static $regExpClassificationAnalysis = null;
/**
* @param TDbStatementAnalysisParamete
* @return TDbStatementClassification
*/
public static function doClassificationAnalysis(TDbStatementAnalysisParameter $param)
{
$statement = $param->getStatement();
$default = $param->getDefaultClassification();
$hash = md5($statement . '-' . $default);
if( isset(self::$cacheClassificationAnalysis[$hash]) )
return self::$cacheClassificationAnalysis[$hash];
self::$cacheClassificationAnalysis[$hash] = $default;
$statement = preg_replace('/(?:--|\\#)[\x20\\t\\S]*\s+|\/\\*[\x20\\t\\n\\r\\S]*?\\*\//Ssmux', '', $statement);
$statement = preg_replace('/[\s]+/Smu', ' ', $statement);
$statement = trim($statement);
if(self::$regExpClassificationAnalysis===null)
self::$regExpClassificationAnalysis = '/^(' . str_replace(' ', '\x20', implode('|', array_keys(self::$mappingClassificationAnalysis))) . ')+[\s]+.*|\k1/Siu';
$cmd = strToUpper(preg_replace(self::$regExpClassificationAnalysis, '\1', $statement));
if( isset(self::$mappingClassificationAnalysis[$cmd]) )
self::$cacheClassificationAnalysis[$hash] = self::$mappingClassificationAnalysis[$cmd];
return self::$cacheClassificationAnalysis[$hash];
}
/**
* @param TDbStatementAnalysisParameter
* @return TDbStatementClassification
*/
public function getClassificationAnalysis(TDbStatementAnalysisParameter $param)
{
if( ($drivername = $this->getDriverName())!== null )
$param->setDriverName($drivername);
return self::doClassificationAnalysis($param);
}
}
?>
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