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<?php
/**
* This file is part of the "dibi" - smart database abstraction layer.
*
* Copyright (c) 2005 David Grudl (http://davidgrudl.com)
*
* For the full copyright and license information, please view
* the file license.txt that was distributed with this source code.
*/
/**
* dibi common exception.
*
* @author David Grudl
* @package dibi
*/
class DibiException extends Exception
{
/** @var string */
private $sql;
/**
* Construct a dibi exception.
* @param string Message describing the exception
* @param int Some code
* @param string SQL command
*/
public function __construct($message = NULL, $code = 0, $sql = NULL)
{
parent::__construct($message, (int) $code);
$this->sql = $sql;
}
/**
* @return string The SQL passed to the constructor
*/
final public function getSql()
{
return $this->sql;
}
/**
* @return string string represenation of exception with SQL command
*/
public function __toString()
{
return parent::__toString() . ($this->sql ? "\nSQL: " . $this->sql : '');
}
}
/**
* database server exception.
*
* @author David Grudl
* @package dibi
*/
class DibiDriverException extends DibiException
{
/********************* error catching ****************d*g**/
/** @var string */
private static $errorMsg;
/**
* Starts catching potential errors/warnings.
* @return void
*/
public static function tryError()
{
set_error_handler(array(__CLASS__, '_errorHandler'), E_ALL);
self::$errorMsg = NULL;
}
/**
* Returns catched error/warning message.
* @param string catched message
* @return bool
*/
public static function catchError(& $message)
{
restore_error_handler();
$message = self::$errorMsg;
self::$errorMsg = NULL;
return $message !== NULL;
}
/**
* Internal error handler. Do not call directly.
* @internal
*/
public static function _errorHandler($code, $message)
{
restore_error_handler();
if (ini_get('html_errors')) {
$message = strip_tags($message);
$message = html_entity_decode($message);
}
self::$errorMsg = $message;
}
}
/**
* PCRE exception.
*
* @author David Grudl
* @package dibi
*/
class DibiPcreException extends Exception {
public function __construct($message = '%msg.')
{
static $messages = array(
PREG_INTERNAL_ERROR => 'Internal error',
PREG_BACKTRACK_LIMIT_ERROR => 'Backtrack limit was exhausted',
PREG_RECURSION_LIMIT_ERROR => 'Recursion limit was exhausted',
PREG_BAD_UTF8_ERROR => 'Malformed UTF-8 data',
5 => 'Offset didn\'t correspond to the begin of a valid UTF-8 code point', // PREG_BAD_UTF8_OFFSET_ERROR
);
$code = preg_last_error();
parent::__construct(str_replace('%msg', isset($messages[$code]) ? $messages[$code] : 'Unknown error', $message), $code);
}
}
/**
* @package dibi
*/
class DibiNotImplementedException extends DibiException
{}
/**
* @package dibi
*/
class DibiNotSupportedException extends DibiException
{}
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