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<?php |
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/* |
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You may not change or alter any portion of this comment or credits |
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of supporting developers from this source code or any supporting source code |
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which is considered copyrighted (c) material of the original comment or credit authors. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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*/ |
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namespace Xoops\Core\Service; |
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/** |
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* Service Provider object |
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* |
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* All provider classes should extend this class, and implement the appropriate |
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* contract interface. |
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* |
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* @category Xoops\Core\Service\Provider |
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* @package Xoops\Core |
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* @author Richard Griffith <[email protected]> |
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* @copyright 2013-2015 The XOOPS Project https://github.com/XOOPS/XoopsCore |
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* @license GNU GPL 2 or later (http://www.gnu.org/licenses/gpl-2.0.html) |
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* @version Release: 1.0 |
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* @link http://xoops.org |
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* |
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* @method Response getAvatarUrl(mixed $userinfo); |
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* @method Response getAvatarEditUrl(\XoopsUser $userinfo); |
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* @method Response getImgUrl(string $value, mixed $p2=null, mixed $d3=null, mixed $d4=null, mixed $d5=null); |
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* @method Response getImgTag(string $value, mixed $d2=null, mixed $d3=null, mixed $d4=null, mixed $d5=null); |
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* @method Response startPdf(); |
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* @method Response setPageOrientation(string $pageOrientation); |
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* @method Response setPageSize(string $pageSize); |
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* @method Response setBaseUnit(string $unit); |
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* @method Response setMargins(float $leftMargin, float $topMargin, float $rightMargin, float $bottomMargin); |
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* @method Response setBaseFont(string $fontFamily, string $fontStyle, float|null $fontSize); |
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* @method Response setDefaultMonospacedFont(string $monoFontFamily); |
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* @method Response setAuthor(string $pdfAuthor); |
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* @method Response setTitle(string $pdfTitle); |
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* @method Response setSubject(string $pdfSubject); |
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* @method Response setKeywords(array $pdfKeywords); |
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* @method Response addHtml(string $html); |
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* @method Response outputPdfInline(string $name); |
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* @method Response outputPdfDownload(string $name); |
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* @method Response fetchPdf(); |
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* @method Response getUserRank(mixed $userinfo); |
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* @method Response getAssignableUserRankList(); |
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* @method Response renderEmoji(string $buffer); |
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* @method Response getEmojiList(); |
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* @method Response renderEmojiSelector(string $identifier); |
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*/ |
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class Provider |
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{ |
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protected $manager = null; |
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protected $service = null; |
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/** @var AbstractContract[] $providers */ |
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protected $providers = array(); |
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/** |
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* __construct |
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* |
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* @param Manager $manager Manager instance |
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* @param string $service service name (case sensitive) |
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*/ |
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public function __construct(Manager $manager, $service) |
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{ |
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$this->manager = $manager; |
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$this->service = $service; |
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} |
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/** |
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* getProviderMode |
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* |
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* @return Manager MODE constant |
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*/ |
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public function getProviderMode() |
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{ |
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static $ret = null; |
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if ($ret===null) { |
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1 |
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if (count($this->providers)) { |
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1 |
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$ret = reset($this->providers)->getMode(); |
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} else { |
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return Manager::MODE_EXCLUSIVE; |
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} |
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} |
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return $ret; |
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} |
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/** |
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* registerProvider - register a provider of a named service |
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* |
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* @param string $object instantiated object that provides the service |
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* |
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* @return void |
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*/ |
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public function register($object) |
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{ |
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// verify this is the proper type of object |
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1 |
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$contract = '\Xoops\Core\Service\Contract\\' . $this->service . 'Interface'; |
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if (is_a($object, '\Xoops\Core\Service\AbstractContract') |
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&& $object instanceof $contract |
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) { |
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$this->providers[] = $object; |
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} |
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} |
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/** |
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* getRegistered - access list of registered providers |
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* |
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* @return array of registered providers managed by this instance |
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*/ |
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public function &getRegistered() |
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{ |
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return $this->providers; |
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} |
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/** |
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* sortProviders - sort providers into priority order |
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* |
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* @return void |
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*/ |
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public function sortProviders() |
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{ |
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$sortable = $this->providers; |
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usort($sortable, function (AbstractContract $a, AbstractContract $b) { |
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if ($a->getPriority() != $b->getPriority()) { |
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return ($a->getPriority() > $b->getPriority()) ? 1 : -1; |
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} else { |
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return 0; |
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} |
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}); |
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$this->providers = $sortable; |
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} |
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/** |
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* isAvailable - indicate the availability of an actual provider |
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* |
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* In many cases a null provider can be called without changing the flow of the calling |
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* program. In some cases, the availability of a provider may need to be reflected in |
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* the caller, i.e. adding a UI button or menu item. |
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* |
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* @return boolean true if actual provider is available, otherwise false |
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*/ |
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public function isAvailable() |
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{ |
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return true; |
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} |
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/** |
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* All contract specified methods go here |
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* |
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* @param string $name method to call |
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* @param mixed $arguments any arguments |
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* |
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* @return Response Response |
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*/ |
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public function __call($name, $arguments) |
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{ |
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$mode = $this->getProviderMode(); |
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// for right now only one provider will be called, and it should be at the top |
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$object = reset($this->providers); |
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$method = array($object, $name); |
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$response = new Response(); |
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if (is_callable($method)) { |
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try { |
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//$object->$name($response, $arguments); |
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array_unshift($arguments, $response); |
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call_user_func_array($method, $arguments); |
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} catch (\Exception $e) { |
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\Xoops::getInstance()->events()->triggerEvent('core.exception', $e); |
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$response->setSuccess(false)->addErrorMessage($e->getMessage()); |
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} |
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} else { |
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$response->setSuccess(false)->addErrorMessage(sprintf('No method %s', $name)); |
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} |
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return $response; |
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} |
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/** |
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* All static methods go here and will return null |
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* |
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* @param string $name not used |
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* @param mixed $arguments not used |
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* |
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* @return null |
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*/ |
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public static function __callStatic($name, $arguments) |
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{ |
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return null; |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.