khanat-code-old/code/web/public_php/webtt/cake/libs/object.php
2014-09-05 18:46:13 -07:00

298 lines
8.6 KiB
PHP

<?php
/**
* Object class, allowing __construct and __destruct in PHP4.
*
* Also includes methods for logging and the special method RequestAction,
* to call other Controllers' Actions from anywhere.
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs
* @since CakePHP(tm) v 0.2.9
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
*/
/**
* Object class, allowing __construct and __destruct in PHP4.
*
* Also includes methods for logging and the special method RequestAction,
* to call other Controllers' Actions from anywhere.
*
* @package cake
* @subpackage cake.cake.libs
*/
class Object {
/**
* A hack to support __construct() on PHP 4
* Hint: descendant classes have no PHP4 class_name() constructors,
* so this constructor gets called first and calls the top-layer __construct()
* which (if present) should call parent::__construct()
*
* @return Object
*/
function Object() {
$args = func_get_args();
if (method_exists($this, '__destruct')) {
register_shutdown_function (array(&$this, '__destruct'));
}
call_user_func_array(array(&$this, '__construct'), $args);
}
/**
* Class constructor, overridden in descendant classes.
*/
function __construct() {
}
/**
* Object-to-string conversion.
* Each class can override this method as necessary.
*
* @return string The name of this class
* @access public
*/
function toString() {
$class = get_class($this);
return $class;
}
/**
* Calls a controller's method from any location. Can be used to connect controllers together
* or tie plugins into a main application. requestAction can be used to return rendered views
* or fetch the return value from controller actions.
*
* @param mixed $url String or array-based url.
* @param array $extra if array includes the key "return" it sets the AutoRender to true.
* @return mixed Boolean true or false on success/failure, or contents
* of rendered action if 'return' is set in $extra.
* @access public
*/
function requestAction($url, $extra = array()) {
if (empty($url)) {
return false;
}
if (!class_exists('dispatcher')) {
require CAKE . 'dispatcher.php';
}
if (in_array('return', $extra, true)) {
$extra = array_merge($extra, array('return' => 0, 'autoRender' => 1));
}
if (is_array($url) && !isset($extra['url'])) {
$extra['url'] = array();
}
$params = array_merge(array('autoRender' => 0, 'return' => 1, 'bare' => 1, 'requested' => 1), $extra);
$dispatcher = new Dispatcher;
return $dispatcher->dispatch($url, $params);
}
/**
* Calls a method on this object with the given parameters. Provides an OO wrapper
* for `call_user_func_array`
*
* @param string $method Name of the method to call
* @param array $params Parameter list to use when calling $method
* @return mixed Returns the result of the method call
* @access public
*/
function dispatchMethod($method, $params = array()) {
switch (count($params)) {
case 0:
return $this->{$method}();
case 1:
return $this->{$method}($params[0]);
case 2:
return $this->{$method}($params[0], $params[1]);
case 3:
return $this->{$method}($params[0], $params[1], $params[2]);
case 4:
return $this->{$method}($params[0], $params[1], $params[2], $params[3]);
case 5:
return $this->{$method}($params[0], $params[1], $params[2], $params[3], $params[4]);
default:
return call_user_func_array(array(&$this, $method), $params);
break;
}
}
/**
* Stop execution of the current script. Wraps exit() making
* testing easier.
*
* @param $status see http://php.net/exit for values
* @return void
* @access public
*/
function _stop($status = 0) {
exit($status);
}
/**
* Convience method to write a message to CakeLog. See CakeLog::write()
* for more information on writing to logs.
*
* @param string $msg Log message
* @param integer $type Error type constant. Defined in app/config/core.php.
* @return boolean Success of log write
* @access public
*/
function log($msg, $type = LOG_ERROR) {
if (!class_exists('CakeLog')) {
require LIBS . 'cake_log.php';
}
if (!is_string($msg)) {
$msg = print_r($msg, true);
}
return CakeLog::write($type, $msg);
}
/**
* Allows setting of multiple properties of the object in a single line of code. Will only set
* properties that are part of a class declaration.
*
* @param array $properties An associative array containing properties and corresponding values.
* @return void
* @access protected
*/
function _set($properties = array()) {
if (is_array($properties) && !empty($properties)) {
$vars = get_object_vars($this);
foreach ($properties as $key => $val) {
if (array_key_exists($key, $vars)) {
$this->{$key} = $val;
}
}
}
}
/**
* Used to report user friendly errors.
* If there is a file app/error.php or app/app_error.php this file will be loaded
* error.php is the AppError class it should extend ErrorHandler class.
*
* @param string $method Method to be called in the error class (AppError or ErrorHandler classes)
* @param array $messages Message that is to be displayed by the error class
* @return error message
* @access public
*/
function cakeError($method, $messages = array()) {
if (!class_exists('ErrorHandler')) {
App::import('Core', 'Error');
if (file_exists(APP . 'error.php')) {
include_once (APP . 'error.php');
} elseif (file_exists(APP . 'app_error.php')) {
include_once (APP . 'app_error.php');
}
}
if (class_exists('AppError')) {
$error = new AppError($method, $messages);
} else {
$error = new ErrorHandler($method, $messages);
}
return $error;
}
/**
* Checks for a persistent class file, if found file is opened and true returned
* If file is not found a file is created and false returned
* If used in other locations of the model you should choose a unique name for the persistent file
* There are many uses for this method, see manual for examples
*
* @param string $name name of the class to persist
* @param string $object the object to persist
* @return boolean Success
* @access protected
* @todo add examples to manual
*/
function _persist($name, $return = null, &$object, $type = null) {
$file = CACHE . 'persistent' . DS . strtolower($name) . '.php';
if ($return === null) {
if (!file_exists($file)) {
return false;
} else {
return true;
}
}
if (!file_exists($file)) {
$this->_savePersistent($name, $object);
return false;
} else {
$this->__openPersistent($name, $type);
return true;
}
}
/**
* You should choose a unique name for the persistent file
*
* There are many uses for this method, see manual for examples
*
* @param string $name name used for object to cache
* @param object $object the object to persist
* @return boolean true on save, throws error if file can not be created
* @access protected
*/
function _savePersistent($name, &$object) {
$file = 'persistent' . DS . strtolower($name) . '.php';
$objectArray = array(&$object);
$data = str_replace('\\', '\\\\', serialize($objectArray));
$data = '<?php $' . $name . ' = \'' . str_replace('\'', '\\\'', $data) . '\' ?>';
$duration = '+999 days';
if (Configure::read() >= 1) {
$duration = '+10 seconds';
}
cache($file, $data, $duration);
}
/**
* Open the persistent class file for reading
* Used by Object::_persist()
*
* @param string $name Name of persisted class
* @param string $type Type of persistance (e.g: registry)
* @return void
* @access private
*/
function __openPersistent($name, $type = null) {
$file = CACHE . 'persistent' . DS . strtolower($name) . '.php';
include($file);
switch ($type) {
case 'registry':
$vars = unserialize(${$name});
foreach ($vars['0'] as $key => $value) {
if (strpos($key, '_behavior') !== false) {
App::import('Behavior', Inflector::classify(substr($key, 0, -9)));
} else {
App::import('Model', Inflector::camelize($key));
}
unset ($value);
}
unset($vars);
$vars = unserialize(${$name});
foreach ($vars['0'] as $key => $value) {
ClassRegistry::addObject($key, $value);
unset ($value);
}
unset($vars);
break;
default:
$vars = unserialize(${$name});
$this->{$name} = $vars['0'];
unset($vars);
break;
}
}
}