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Diffstat (limited to 'inc/PEAR/Exception.php')
-rw-r--r-- | inc/PEAR/Exception.php | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/inc/PEAR/Exception.php b/inc/PEAR/Exception.php deleted file mode 100644 index c735c16b398..00000000000 --- a/inc/PEAR/Exception.php +++ /dev/null @@ -1,359 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4 foldmethod=marker: */ -// +----------------------------------------------------------------------+ -// | PEAR_Exception | -// +----------------------------------------------------------------------+ -// | Copyright (c) 2004 The PEAR Group | -// +----------------------------------------------------------------------+ -// | This source file is subject to version 3.0 of the PHP license, | -// | that is bundled with this package in the file LICENSE, and is | -// | available at through the world-wide-web at | -// | http://www.php.net/license/3_0.txt. | -// | If you did not receive a copy of the PHP license and are unable to | -// | obtain it through the world-wide-web, please send a note to | -// | license@php.net so we can mail you a copy immediately. | -// +----------------------------------------------------------------------+ -// | Authors: Tomas V.V.Cox <cox@idecnet.com> | -// | Hans Lellelid <hans@velum.net> | -// | Bertrand Mansion <bmansion@mamasam.com> | -// | Greg Beaver <cellog@php.net> | -// +----------------------------------------------------------------------+ -// -// $Id: Exception.php,v 1.4.2.2 2004/12/31 19:01:52 cellog Exp $ - - -/** - * Base PEAR_Exception Class - * - * WARNING: This code should be considered stable, but the API is - * subject to immediate and drastic change, so API stability is - * at best alpha - * - * 1) Features: - * - * - Nestable exceptions (throw new PEAR_Exception($msg, $prev_exception)) - * - Definable triggers, shot when exceptions occur - * - Pretty and informative error messages - * - Added more context info available (like class, method or cause) - * - cause can be a PEAR_Exception or an array of mixed - * PEAR_Exceptions/PEAR_ErrorStack warnings - * - callbacks for specific exception classes and their children - * - * 2) Ideas: - * - * - Maybe a way to define a 'template' for the output - * - * 3) Inherited properties from PHP Exception Class: - * - * protected $message - * protected $code - * protected $line - * protected $file - * private $trace - * - * 4) Inherited methods from PHP Exception Class: - * - * __clone - * __construct - * getMessage - * getCode - * getFile - * getLine - * getTraceSafe - * getTraceSafeAsString - * __toString - * - * 5) Usage example - * - * <code> - * require_once 'PEAR/Exception.php'; - * - * class Test { - * function foo() { - * throw new PEAR_Exception('Error Message', ERROR_CODE); - * } - * } - * - * function myLogger($pear_exception) { - * echo $pear_exception->getMessage(); - * } - * // each time a exception is thrown the 'myLogger' will be called - * // (its use is completely optional) - * PEAR_Exception::addObserver('myLogger'); - * $test = new Test; - * try { - * $test->foo(); - * } catch (PEAR_Exception $e) { - * print $e; - * } - * </code> - * - * @since PHP 5 - * @package PEAR - * @version $Revision: 1.4.2.2 $ - * @author Tomas V.V.Cox <cox@idecnet.com> - * @author Hans Lellelid <hans@velum.net> - * @author Bertrand Mansion <bmansion@mamasam.com> - * - */ -class PEAR_Exception extends Exception -{ - const OBSERVER_PRINT = -2; - const OBSERVER_TRIGGER = -4; - const OBSERVER_DIE = -8; - protected $cause; - private static $_observers = array(); - private static $_uniqueid = 0; - private $_trace; - - /** - * Supported signatures: - * PEAR_Exception(string $message); - * PEAR_Exception(string $message, int $code); - * PEAR_Exception(string $message, Exception $cause); - * PEAR_Exception(string $message, Exception $cause, int $code); - * PEAR_Exception(string $message, array $causes); - * PEAR_Exception(string $message, array $causes, int $code); - */ - public function __construct($message, $p2 = null, $p3 = null) - { - if (is_int($p2)) { - $code = $p2; - $this->cause = null; - } elseif ($p2 instanceof Exception || is_array($p2)) { - $code = $p3; - if (is_array($p2) && isset($p2['message'])) { - // fix potential problem of passing in a single warning - $p2 = array($p2); - } - $this->cause = $p2; - } else { - $code = null; - $this->cause = null; - } - parent::__construct($message, $code); - $this->signal(); - } - - /** - * @param mixed $callback - A valid php callback, see php func is_callable() - * - A PEAR_Exception::OBSERVER_* constant - * - An array(const PEAR_Exception::OBSERVER_*, - * mixed $options) - * @param string $label The name of the observer. Use this if you want - * to remove it later with removeObserver() - */ - public static function addObserver($callback, $label = 'default') - { - self::$_observers[$label] = $callback; - } - - public static function removeObserver($label = 'default') - { - unset(self::$_observers[$label]); - } - - /** - * @return int unique identifier for an observer - */ - public static function getUniqueId() - { - return self::$_uniqueid++; - } - - private function signal() - { - foreach (self::$_observers as $func) { - if (is_callable($func)) { - call_user_func($func, $this); - continue; - } - settype($func, 'array'); - switch ($func[0]) { - case self::OBSERVER_PRINT : - $f = (isset($func[1])) ? $func[1] : '%s'; - printf($f, $this->getMessage()); - break; - case self::OBSERVER_TRIGGER : - $f = (isset($func[1])) ? $func[1] : E_USER_NOTICE; - trigger_error($this->getMessage(), $f); - break; - case self::OBSERVER_DIE : - $f = (isset($func[1])) ? $func[1] : '%s'; - die(printf($f, $this->getMessage())); - break; - default: - trigger_error('invalid observer type', E_USER_WARNING); - } - } - } - - /** - * Return specific error information that can be used for more detailed - * error messages or translation. - * - * This method may be overridden in child exception classes in order - * to add functionality not present in PEAR_Exception and is a placeholder - * to define API - * - * The returned array must be an associative array of parameter => value like so: - * <pre> - * array('name' => $name, 'context' => array(...)) - * </pre> - * @return array - */ - public function getErrorData() - { - return array(); - } - - /** - * Returns the exception that caused this exception to be thrown - * @access public - * @return Exception|array The context of the exception - */ - public function getCause() - { - return $this->cause; - } - - /** - * Function must be public to call on caused exceptions - * @param array - */ - public function getCauseMessage(&$causes) - { - $trace = $this->getTraceSafe(); - $cause = array('class' => get_class($this), - 'message' => $this->message, - 'file' => 'unknown', - 'line' => 'unknown'); - if (isset($trace[0])) { - if (isset($trace[0]['file'])) { - $cause['file'] = $trace[0]['file']; - $cause['line'] = $trace[0]['line']; - } - } - if ($this->cause instanceof PEAR_Exception) { - $this->cause->getCauseMessage($causes); - } - if (is_array($this->cause)) { - foreach ($this->cause as $cause) { - if ($cause instanceof PEAR_Exception) { - $cause->getCauseMessage($causes); - } elseif (is_array($cause) && isset($cause['message'])) { - // PEAR_ErrorStack warning - $causes[] = array( - 'class' => $cause['package'], - 'message' => $cause['message'], - 'file' => isset($cause['context']['file']) ? - $cause['context']['file'] : - 'unknown', - 'line' => isset($cause['context']['line']) ? - $cause['context']['line'] : - 'unknown', - ); - } - } - } - } - - public function getTraceSafe() - { - if (!isset($this->_trace)) { - $this->_trace = $this->getTrace(); - if (empty($this->_trace)) { - $backtrace = debug_backtrace(); - $this->_trace = array($backtrace[count($backtrace)-1]); - } - } - return $this->_trace; - } - - public function getErrorClass() - { - $trace = $this->getTraceSafe(); - return $trace[0]['class']; - } - - public function getErrorMethod() - { - $trace = $this->getTraceSafe(); - return $trace[0]['function']; - } - - public function __toString() - { - if (isset($_SERVER['REQUEST_URI'])) { - return $this->toHtml(); - } - return $this->toText(); - } - - public function toHtml() - { - $trace = $this->getTraceSafe(); - $causes = array(); - $this->getCauseMessage($causes); - $html = '<table border="1" cellspacing="0">' . "\n"; - foreach ($causes as $i => $cause) { - $html .= '<tr><td colspan="3" bgcolor="#ff9999">' - . str_repeat('-', $i) . ' <b>' . $cause['class'] . '</b>: ' - . htmlspecialchars($cause['message']) . ' in <b>' . $cause['file'] . '</b> ' - . 'on line <b>' . $cause['line'] . '</b>' - . "</td></tr>\n"; - } - $html .= '<tr><td colspan="3" bgcolor="#aaaaaa" align="center"><b>Exception trace</b></td></tr>' . "\n" - . '<tr><td align="center" bgcolor="#cccccc" width="20"><b>#</b></td>' - . '<td align="center" bgcolor="#cccccc"><b>Function</b></td>' - . '<td align="center" bgcolor="#cccccc"><b>Location</b></td></tr>' . "\n"; - - foreach ($trace as $k => $v) { - $html .= '<tr><td align="center">' . $k . '</td>' - . '<td>'; - if (!empty($v['class'])) { - $html .= $v['class'] . $v['type']; - } - $html .= $v['function']; - $args = array(); - if (!empty($v['args'])) { - foreach ($v['args'] as $arg) { - if (is_null($arg)) $args[] = 'null'; - elseif (is_array($arg)) $args[] = 'Array'; - elseif (is_object($arg)) $args[] = 'Object('.get_class($arg).')'; - elseif (is_bool($arg)) $args[] = $arg ? 'true' : 'false'; - elseif (is_int($arg) || is_double($arg)) $args[] = $arg; - else { - $arg = (string)$arg; - $str = htmlspecialchars(substr($arg, 0, 16)); - if (strlen($arg) > 16) $str .= '…'; - $args[] = "'" . $str . "'"; - } - } - } - $html .= '(' . implode(', ',$args) . ')' - . '</td>' - . '<td>' . $v['file'] . ':' . $v['line'] . '</td></tr>' . "\n"; - } - $html .= '<tr><td align="center">' . ($k+1) . '</td>' - . '<td>{main}</td>' - . '<td> </td></tr>' . "\n" - . '</table>'; - return $html; - } - - public function toText() - { - $causes = array(); - $this->getCauseMessage($causes); - $causeMsg = ''; - foreach ($causes as $i => $cause) { - $causeMsg .= str_repeat(' ', $i) . $cause['class'] . ': ' - . $cause['message'] . ' in ' . $cause['file'] - . ' on line ' . $cause['line'] . "\n"; - } - return $causeMsg . $this->getTraceAsString(); - } -} - -?>
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