mirror of
https://github.com/dg/dibi.git
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132 lines
2.9 KiB
PHP
132 lines
2.9 KiB
PHP
<?php
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/**
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* dibi - tiny'n'smart database abstraction layer
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* ----------------------------------------------
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*
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* Copyright (c) 2005, 2008 David Grudl aka -dgx- (http://www.dgx.cz)
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*
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* This source file is subject to the "dibi license" that is bundled
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* with this package in the file license.txt.
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*
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* For more information please see http://dibiphp.com/
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*
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* @copyright Copyright (c) 2004, 2008 David Grudl
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* @license http://nettephp.com/license Nette license
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* @link http://nettephp.com/
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* @package Nette
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*/
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// namespace Nette;
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/**
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* Nette Exception base class
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*
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* @author David Grudl
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* @copyright Copyright (c) 2004, 2008 David Grudl
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* @license http://nettephp.com/license Nette license
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* @link http://nettephp.com/
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* @package Nette
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*/
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class NException extends Exception
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{
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/** @var Exception */
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private $cause;
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/** @var callback */
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private static $oldHandler;
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/** @var string */
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private static $handlerClass;
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/**
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* Initializes the cause of this throwable to the specified value
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*
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* @param Exception
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* @return void
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*/
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public function initCause(Exception $cause)
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{
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if ($this->cause === NULL) {
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$this->cause = $cause;
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} else {
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throw new BadMethodCallException('Cause was already assigned');
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}
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}
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/**
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* Gets the Exception instance that caused the current exception
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*
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* @return Exception
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*/
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public function getCause()
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{
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return $this->cause;
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}
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/**
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* Returns string represenation of exception
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*
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* @return string
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*/
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public function __toString()
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{
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return parent::__toString() . ($this->cause === NULL ? '' : "\nCaused by " . $this->cause->__toString());
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}
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/**
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* Enables converting all PHP errors to exceptions
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*
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* @param Exception class to be thrown
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* @return void
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*/
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public static function catchError($class = __CLASS__)
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{
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self::$oldHandler = set_error_handler(array(__CLASS__, '_errorHandler'), E_ALL);
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self::$handlerClass = $class;
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}
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/**
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* Disables converting errors to exceptions
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*
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* @return void
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*/
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public static function restore()
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{
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if (self::$oldHandler !== NULL) {
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set_error_handler(self::$oldHandler);
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self::$oldHandler = NULL;
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} else {
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restore_error_handler();
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}
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}
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/**
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* Internal error handler
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*/
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public static function _errorHandler($code, $message, $file, $line, $context)
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{
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self::restore();
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if (ini_get('html_errors')) {
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$message = strip_tags($message);
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}
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throw new self::$handlerClass($message, $code);
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}
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}
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