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-rw-r--r--program/lib/PEAR.php330
1 files changed, 252 insertions, 78 deletions
diff --git a/program/lib/PEAR.php b/program/lib/PEAR.php
index 5b76d7540..9c2c67bcf 100644
--- a/program/lib/PEAR.php
+++ b/program/lib/PEAR.php
@@ -1,31 +1,44 @@
<?php
-//
-// +----------------------------------------------------------------------+
-// | PHP Version 4 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1997-2002 The PHP Group |
-// +----------------------------------------------------------------------+
-// | This source file is subject to version 2.0 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/2_02.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: Sterling Hughes <sterling@php.net> |
-// | Stig Bakken <ssb@fast.no> |
-// | Tomas V.V.Cox <cox@idecnet.com> |
-// +----------------------------------------------------------------------+
-//
-// $Id$
-//
-
-define('PEAR_ERROR_RETURN', 1);
-define('PEAR_ERROR_PRINT', 2);
-define('PEAR_ERROR_TRIGGER', 4);
-define('PEAR_ERROR_DIE', 8);
-define('PEAR_ERROR_CALLBACK', 16);
+/**
+ * PEAR, the PHP Extension and Application Repository
+ *
+ * PEAR class and PEAR_Error class
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.0 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * 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 web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category pear
+ * @package PEAR
+ * @author Sterling Hughes <sterling@php.net>
+ * @author Stig Bakken <ssb@php.net>
+ * @author Tomas V.V.Cox <cox@idecnet.com>
+ * @author Greg Beaver <cellog@php.net>
+ * @copyright 1997-2006 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version CVS: $Id$
+ * @link http://pear.php.net/package/PEAR
+ * @since File available since Release 0.1
+ */
+
+/**#@+
+ * ERROR constants
+ */
+define('PEAR_ERROR_RETURN', 1);
+define('PEAR_ERROR_PRINT', 2);
+define('PEAR_ERROR_TRIGGER', 4);
+define('PEAR_ERROR_DIE', 8);
+define('PEAR_ERROR_CALLBACK', 16);
+/**
+ * WARNING: obsolete
+ * @deprecated
+ */
+define('PEAR_ERROR_EXCEPTION', 32);
+/**#@-*/
define('PEAR_ZE2', (function_exists('version_compare') &&
version_compare(zend_version(), "2-dev", "ge")));
@@ -39,13 +52,22 @@ if (substr(PHP_OS, 0, 3) == 'WIN') {
define('PEAR_OS', 'Unix'); // blatant assumption
}
+// instant backwards compatibility
+if (!defined('PATH_SEPARATOR')) {
+ if (OS_WINDOWS) {
+ define('PATH_SEPARATOR', ';');
+ } else {
+ define('PATH_SEPARATOR', ':');
+ }
+}
+
$GLOBALS['_PEAR_default_error_mode'] = PEAR_ERROR_RETURN;
$GLOBALS['_PEAR_default_error_options'] = E_USER_NOTICE;
$GLOBALS['_PEAR_destructor_object_list'] = array();
$GLOBALS['_PEAR_shutdown_funcs'] = array();
$GLOBALS['_PEAR_error_handler_stack'] = array();
-ini_set('track_errors', true);
+@ini_set('track_errors', true);
/**
* Base class for other PEAR classes. Provides rudimentary
@@ -62,11 +84,20 @@ ini_set('track_errors', true);
* destructor, use error_log(), syslog() or something similar.
*
* IMPORTANT! To use the emulated destructors you need to create the
- * objects by reference, ej: $obj =& new PEAR_child;
+ * objects by reference: $obj =& new PEAR_child;
*
- * @since PHP 4.0.2
- * @author Stig Bakken <ssb@fast.no>
- * @see http://pear.php.net/manual/
+ * @category pear
+ * @package PEAR
+ * @author Stig Bakken <ssb@php.net>
+ * @author Tomas V.V. Cox <cox@idecnet.com>
+ * @author Greg Beaver <cellog@php.net>
+ * @copyright 1997-2006 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version Release: 1.4.7
+ * @link http://pear.php.net/package/PEAR
+ * @see PEAR_Error
+ * @since Class available since PHP 4.0.2
+ * @link http://pear.php.net/manual/en/core.pear.php#core.pear.pear
*/
class PEAR
{
@@ -138,18 +169,22 @@ class PEAR
*/
function PEAR($error_class = null)
{
- $classname = get_class($this);
+ $classname = strtolower(get_class($this));
if ($this->_debug) {
print "PEAR constructor called, class=$classname\n";
}
if ($error_class !== null) {
$this->_error_class = $error_class;
}
- while ($classname) {
+ while ($classname && strcasecmp($classname, "pear")) {
$destructor = "_$classname";
if (method_exists($this, $destructor)) {
global $_PEAR_destructor_object_list;
$_PEAR_destructor_object_list[] = &$this;
+ if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
+ register_shutdown_function("_PEAR_call_destructors");
+ $GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
+ }
break;
} else {
$classname = get_parent_class($classname);
@@ -173,7 +208,7 @@ class PEAR
*/
function _PEAR() {
if ($this->_debug) {
- printf("PEAR destructor called, class=%s\n", get_class($this));
+ printf("PEAR destructor called, class=%s\n", strtolower(get_class($this)));
}
}
@@ -183,7 +218,7 @@ class PEAR
/**
* If you have a class that's mostly/entirely static, and you need static
* properties, you can use this method to simulate them. Eg. in your method(s)
- * do this: $myVar = &PEAR::getStaticProperty('myVar');
+ * do this: $myVar = &PEAR::getStaticProperty('myclass', 'myVar');
* You MUST use a reference, or they will not persist!
*
* @access public
@@ -212,6 +247,12 @@ class PEAR
*/
function registerShutdownFunc($func, $args = array())
{
+ // if we are called statically, there is a potential
+ // that no shutdown func is registered. Bug #6445
+ if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
+ register_shutdown_function("_PEAR_call_destructors");
+ $GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
+ }
$GLOBALS['_PEAR_shutdown_funcs'][] = array($func, $args);
}
@@ -222,20 +263,32 @@ class PEAR
* Tell whether a value is a PEAR error.
*
* @param mixed $data the value to test
+ * @param int $code if $data is an error object, return true
+ * only if $code is a string and
+ * $obj->getMessage() == $code or
+ * $code is an integer and $obj->getCode() == $code
* @access public
* @return bool true if parameter is an error
*/
- function isError($data) {
- return (bool)(is_object($data) &&
- (get_class($data) == 'pear_error' ||
- is_subclass_of($data, 'pear_error')));
+ function isError($data, $code = null)
+ {
+ if (is_a($data, 'PEAR_Error')) {
+ if (is_null($code)) {
+ return true;
+ } elseif (is_string($code)) {
+ return $data->getMessage() == $code;
+ } else {
+ return $data->getCode() == $code;
+ }
+ }
+ return false;
}
// }}}
// {{{ setErrorHandling()
/**
- * Sets how errors generated by this DB object should be handled.
+ * Sets how errors generated by this object should be handled.
* Can be invoked both in objects and statically. If called
* statically, setErrorHandling sets the default behaviour for all
* PEAR objects. If called in an object, setErrorHandling sets
@@ -243,8 +296,8 @@ class PEAR
*
* @param int $mode
* One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
- * PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE or
- * PEAR_ERROR_CALLBACK.
+ * PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
+ * PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION.
*
* @param mixed $options
* When $mode is PEAR_ERROR_TRIGGER, this is the error level (one
@@ -268,13 +321,14 @@ class PEAR
* @see PEAR_ERROR_TRIGGER
* @see PEAR_ERROR_DIE
* @see PEAR_ERROR_CALLBACK
+ * @see PEAR_ERROR_EXCEPTION
*
* @since PHP 4.0.5
*/
function setErrorHandling($mode = null, $options = null)
{
- if (isset($this)) {
+ if (isset($this) && is_a($this, 'PEAR')) {
$setmode = &$this->_default_error_mode;
$setoptions = &$this->_default_error_options;
} else {
@@ -283,6 +337,7 @@ class PEAR
}
switch ($mode) {
+ case PEAR_ERROR_EXCEPTION:
case PEAR_ERROR_RETURN:
case PEAR_ERROR_PRINT:
case PEAR_ERROR_TRIGGER:
@@ -294,9 +349,8 @@ class PEAR
case PEAR_ERROR_CALLBACK:
$setmode = $mode;
- if ((is_string($options) && function_exists($options)) ||
- (is_array($options) && method_exists(@$options[0], @$options[1])))
- {
+ // class/object method callback
+ if (is_callable($options)) {
$setoptions = $options;
} else {
trigger_error("invalid error callback", E_USER_WARNING);
@@ -400,7 +454,7 @@ class PEAR
// $error_code is a non-empty array here;
// we walk through it trying to unset all
// values
- foreach($error_code AS $key => $error) {
+ foreach($error_code as $key => $error) {
if ($this->_checkDelExpect($error)) {
$deleted = true;
} else {
@@ -436,8 +490,8 @@ class PEAR
* to define these if you want to use codes)
*
* @param int $mode One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
- * PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE or
- * PEAR_ERROR_CALLBACK.
+ * PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
+ * PEAR_ERROR_CALLBACK, PEAR_ERROR_EXCEPTION.
*
* @param mixed $options If $mode is PEAR_ERROR_TRIGGER, this parameter
* specifies the PHP-internal error level (one of
@@ -474,6 +528,7 @@ class PEAR
$code = $message->getCode();
$userinfo = $message->getUserInfo();
$error_class = $message->getType();
+ $message->error_message_prefix = '';
$message = $message->getMessage();
}
@@ -505,9 +560,11 @@ class PEAR
$ec = 'PEAR_Error';
}
if ($skipmsg) {
- return new $ec($code, $mode, $options, $userinfo);
+ $a = &new $ec($code, $mode, $options, $userinfo);
+ return $a;
} else {
- return new $ec($message, $code, $mode, $options, $userinfo);
+ $a = &new $ec($message, $code, $mode, $options, $userinfo);
+ return $a;
}
}
@@ -525,14 +582,87 @@ class PEAR
$code = null,
$userinfo = null)
{
- if (isset($this)) {
- return $this->raiseError($message, $code, null, null, $userinfo);
+ if (isset($this) && is_a($this, 'PEAR')) {
+ $a = &$this->raiseError($message, $code, null, null, $userinfo);
+ return $a;
} else {
- return PEAR::raiseError($message, $code, null, null, $userinfo);
+ $a = &PEAR::raiseError($message, $code, null, null, $userinfo);
+ return $a;
}
}
// }}}
+ function staticPushErrorHandling($mode, $options = null)
+ {
+ $stack = &$GLOBALS['_PEAR_error_handler_stack'];
+ $def_mode = &$GLOBALS['_PEAR_default_error_mode'];
+ $def_options = &$GLOBALS['_PEAR_default_error_options'];
+ $stack[] = array($def_mode, $def_options);
+ switch ($mode) {
+ case PEAR_ERROR_EXCEPTION:
+ case PEAR_ERROR_RETURN:
+ case PEAR_ERROR_PRINT:
+ case PEAR_ERROR_TRIGGER:
+ case PEAR_ERROR_DIE:
+ case null:
+ $def_mode = $mode;
+ $def_options = $options;
+ break;
+
+ case PEAR_ERROR_CALLBACK:
+ $def_mode = $mode;
+ // class/object method callback
+ if (is_callable($options)) {
+ $def_options = $options;
+ } else {
+ trigger_error("invalid error callback", E_USER_WARNING);
+ }
+ break;
+
+ default:
+ trigger_error("invalid error mode", E_USER_WARNING);
+ break;
+ }
+ $stack[] = array($mode, $options);
+ return true;
+ }
+
+ function staticPopErrorHandling()
+ {
+ $stack = &$GLOBALS['_PEAR_error_handler_stack'];
+ $setmode = &$GLOBALS['_PEAR_default_error_mode'];
+ $setoptions = &$GLOBALS['_PEAR_default_error_options'];
+ array_pop($stack);
+ list($mode, $options) = $stack[sizeof($stack) - 1];
+ array_pop($stack);
+ switch ($mode) {
+ case PEAR_ERROR_EXCEPTION:
+ case PEAR_ERROR_RETURN:
+ case PEAR_ERROR_PRINT:
+ case PEAR_ERROR_TRIGGER:
+ case PEAR_ERROR_DIE:
+ case null:
+ $setmode = $mode;
+ $setoptions = $options;
+ break;
+
+ case PEAR_ERROR_CALLBACK:
+ $setmode = $mode;
+ // class/object method callback
+ if (is_callable($options)) {
+ $setoptions = $options;
+ } else {
+ trigger_error("invalid error callback", E_USER_WARNING);
+ }
+ break;
+
+ default:
+ trigger_error("invalid error mode", E_USER_WARNING);
+ break;
+ }
+ return true;
+ }
+
// {{{ pushErrorHandling()
/**
@@ -550,7 +680,7 @@ class PEAR
function pushErrorHandling($mode, $options = null)
{
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
- if (isset($this)) {
+ if (isset($this) && is_a($this, 'PEAR')) {
$def_mode = &$this->_default_error_mode;
$def_options = &$this->_default_error_options;
} else {
@@ -559,7 +689,7 @@ class PEAR
}
$stack[] = array($def_mode, $def_options);
- if (isset($this)) {
+ if (isset($this) && is_a($this, 'PEAR')) {
$this->setErrorHandling($mode, $options);
} else {
PEAR::setErrorHandling($mode, $options);
@@ -584,7 +714,7 @@ class PEAR
array_pop($stack);
list($mode, $options) = $stack[sizeof($stack) - 1];
array_pop($stack);
- if (isset($this)) {
+ if (isset($this) && is_a($this, 'PEAR')) {
$this->setErrorHandling($mode, $options);
} else {
PEAR::setErrorHandling($mode, $options);
@@ -605,6 +735,10 @@ class PEAR
function loadExtension($ext)
{
if (!extension_loaded($ext)) {
+ // if either returns true dl() will produce a FATAL error, stop that
+ if ((ini_get('enable_dl') != 1) || (ini_get('safe_mode') == 1)) {
+ return false;
+ }
if (OS_WINDOWS) {
$suffix = '.dll';
} elseif (PHP_OS == 'HP-UX') {
@@ -633,6 +767,9 @@ function _PEAR_call_destructors()
sizeof($_PEAR_destructor_object_list))
{
reset($_PEAR_destructor_object_list);
+ if (@PEAR::getStaticProperty('PEAR', 'destructlifo')) {
+ $_PEAR_destructor_object_list = array_reverse($_PEAR_destructor_object_list);
+ }
while (list($k, $objref) = each($_PEAR_destructor_object_list)) {
$classname = get_class($objref);
while ($classname) {
@@ -659,7 +796,23 @@ function _PEAR_call_destructors()
}
// }}}
-
+/**
+ * Standard PEAR error class for PHP 4
+ *
+ * This class is supserseded by {@link PEAR_Exception} in PHP 5
+ *
+ * @category pear
+ * @package PEAR
+ * @author Stig Bakken <ssb@php.net>
+ * @author Tomas V.V. Cox <cox@idecnet.com>
+ * @author Gregory Beaver <cellog@php.net>
+ * @copyright 1997-2006 The PHP Group
+ * @license http://www.php.net/license/3_0.txt PHP License 3.0
+ * @version Release: 1.4.7
+ * @link http://pear.php.net/manual/en/core.pear.pear-error.php
+ * @see PEAR::raiseError(), PEAR::throwError()
+ * @since Class available since PHP 4.0.2
+ */
class PEAR_Error
{
// {{{ properties
@@ -670,11 +823,7 @@ class PEAR_Error
var $code = -1;
var $message = '';
var $userinfo = '';
-
- // Wait until we have a stack-groping function in PHP.
- //var $file = '';
- //var $line = 0;
-
+ var $backtrace = null;
// }}}
// {{{ constructor
@@ -687,8 +836,8 @@ class PEAR_Error
* @param int $code (optional) error code
*
* @param int $mode (optional) error mode, one of: PEAR_ERROR_RETURN,
- * PEAR_ERROR_PRINT, PEAR_ERROR_DIE, PEAR_ERROR_TRIGGER or
- * PEAR_ERROR_CALLBACK
+ * PEAR_ERROR_PRINT, PEAR_ERROR_DIE, PEAR_ERROR_TRIGGER,
+ * PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION
*
* @param mixed $options (optional) error level, _OR_ in the case of
* PEAR_ERROR_CALLBACK, the callback function or object/method
@@ -709,6 +858,11 @@ class PEAR_Error
$this->code = $code;
$this->mode = $mode;
$this->userinfo = $userinfo;
+ if (function_exists("debug_backtrace")) {
+ if (@!PEAR::getStaticProperty('PEAR_Error', 'skiptrace')) {
+ $this->backtrace = debug_backtrace();
+ }
+ }
if ($mode & PEAR_ERROR_CALLBACK) {
$this->level = E_USER_NOTICE;
$this->callback = $options;
@@ -743,16 +897,14 @@ class PEAR_Error
die(sprintf($format, $msg));
}
if ($this->mode & PEAR_ERROR_CALLBACK) {
- if (is_string($this->callback) && strlen($this->callback)) {
+ if (is_callable($this->callback)) {
call_user_func($this->callback, $this);
- } elseif (is_array($this->callback) &&
- sizeof($this->callback) == 2 &&
- is_object($this->callback[0]) &&
- is_string($this->callback[1]) &&
- strlen($this->callback[1])) {
- @call_user_func($this->callback, $this);
}
}
+ if ($this->mode & PEAR_ERROR_EXCEPTION) {
+ trigger_error("PEAR_ERROR_EXCEPTION is obsolete, use class PEAR_Exception for exceptions", E_USER_WARNING);
+ eval('$e = new Exception($this->message, $this->code);throw($e);');
+ }
}
// }}}
@@ -854,6 +1006,28 @@ class PEAR_Error
}
// }}}
+ // {{{ getBacktrace()
+
+ /**
+ * Get the call backtrace from where the error was generated.
+ * Supported with PHP 4.3.0 or newer.
+ *
+ * @param int $frame (optional) what frame to fetch
+ * @return array Backtrace, or NULL if not available.
+ * @access public
+ */
+ function getBacktrace($frame = null)
+ {
+ if (defined('PEAR_IGNORE_BACKTRACE')) {
+ return null;
+ }
+ if ($frame === null) {
+ return $this->backtrace;
+ }
+ return $this->backtrace[$frame];
+ }
+
+ // }}}
// {{{ addUserInfo()
function addUserInfo($info)
@@ -881,14 +1055,16 @@ class PEAR_Error
E_USER_ERROR => 'error');
if ($this->mode & PEAR_ERROR_CALLBACK) {
if (is_array($this->callback)) {
- $callback = get_class($this->callback[0]) . '::' .
+ $callback = (is_object($this->callback[0]) ?
+ strtolower(get_class($this->callback[0])) :
+ $this->callback[0]) . '::' .
$this->callback[1];
} else {
$callback = $this->callback;
}
return sprintf('[%s: message="%s" code=%d mode=callback '.
'callback=%s prefix="%s" info="%s"]',
- get_class($this), $this->message, $this->code,
+ strtolower(get_class($this)), $this->message, $this->code,
$callback, $this->error_message_prefix,
$this->userinfo);
}
@@ -906,7 +1082,7 @@ class PEAR_Error
}
return sprintf('[%s: message="%s" code=%d mode=%s level=%s '.
'prefix="%s" info="%s"]',
- get_class($this), $this->message, $this->code,
+ strtolower(get_class($this)), $this->message, $this->code,
implode("|", $modes), $levels[$this->level],
$this->error_message_prefix,
$this->userinfo);
@@ -915,8 +1091,6 @@ class PEAR_Error
// }}}
}
-register_shutdown_function("_PEAR_call_destructors");
-
/*
* Local Variables:
* mode: php