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<?php |
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/** |
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* Contains Transformer class. |
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* |
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* PHP version 5.5 |
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* |
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* LICENSE: |
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* This file is part of Yet Another Php Eve Api Library also know as Yapeal |
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* which can be used to access the Eve Online API data and place it into a |
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* database. |
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* Copyright (C) 2015-2016 Michael Cummings |
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* |
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* This program is free software: you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License |
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* for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see |
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* <http://www.gnu.org/licenses/>. |
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* |
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* You should be able to find a copy of this license in the LICENSE.md file. A |
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* copy of the GNU GPL should also be available in the GNU-GPL.md file. |
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* |
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* @copyright 2015-2016 Michael Cummings |
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* @license http://www.gnu.org/copyleft/lesser.html GNU LGPL |
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* @author Michael Cummings <[email protected]> |
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*/ |
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namespace Yapeal\Xsl; |
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use DOMDocument; |
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use SimpleXMLElement; |
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use tidy; |
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use XSLTProcessor; |
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use Yapeal\Event\EveApiEventEmitterTrait; |
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use Yapeal\Event\EveApiEventInterface; |
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use Yapeal\Event\MediatorInterface; |
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use Yapeal\FileSystem\RelativeFileSearchTrait; |
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use Yapeal\Log\Logger; |
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use Yapeal\Xml\EveApiReadWriteInterface; |
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/** |
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* Class Transformer |
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*/ |
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class Transformer implements TransformerInterface |
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{ |
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use EveApiEventEmitterTrait, RelativeFileSearchTrait; |
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/** |
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* Transformer Constructor. |
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* |
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* @param string $dir Base directory where Eve API XSL files can be found. |
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*/ |
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public function __construct($dir = __DIR__) |
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{ |
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$this->setRelativeBaseDir($dir . '/'); |
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} |
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/** |
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* @param EveApiEventInterface $event |
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* @param string $eventName |
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* @param MediatorInterface $yem |
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* |
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* @return EveApiEventInterface |
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* @throws \DomainException |
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* @throws \InvalidArgumentException |
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* @throws \LogicException |
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*/ |
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public function transformEveApi(EveApiEventInterface $event, $eventName, MediatorInterface $yem) |
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{ |
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$this->setYem($yem); |
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$data = $event->getData(); |
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$this->getYem() |
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->triggerLogEvent( |
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'Yapeal.Log.log', |
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Logger::DEBUG, |
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$this->getReceivedEventMessage($data, $eventName, __CLASS__) |
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); |
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$fileName = $this->findEveApiFile($data->getEveApiSectionName(), $data->getEveApiName(), 'xsl'); |
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if ('' === $fileName) { |
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return $event; |
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} |
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$xml = $this->addYapealProcessingInstructionToXml($data) |
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->performTransform($fileName, $data); |
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if (false === $xml) { |
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$mess = 'Failed to transform xml during'; |
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$yem->triggerLogEvent( |
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'Yapeal.Log.log', |
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Logger::WARNING, |
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$this->createEventMessage($mess, $data, $eventName) |
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); |
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return $event; |
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} |
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$xml = (new tidy())->repairString($xml, $this->tidyConfig, 'utf8'); |
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return $event->setData($data->setEveApiXml($xml)) |
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->eventHandled(); |
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} |
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/** |
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* Adds Processing Instruction to XML containing json encoding of any post used during retrieve. |
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* |
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* NOTE: This use to be done directly in the network retriever but felt modifying the XML like that belonged in |
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* transform instead. |
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* |
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* @param EveApiReadWriteInterface $data |
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* |
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* @return self Fluent interface. |
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* @throws \InvalidArgumentException |
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*/ |
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protected function addYapealProcessingInstructionToXml(EveApiReadWriteInterface $data) |
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{ |
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$xml = $data->getEveApiXml(); |
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if (false === $xml) { |
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return $this; |
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} |
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$arguments = $data->getEveApiArguments(); |
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if (!empty($arguments['vCode'])) { |
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$arguments['vCode'] = substr($arguments['vCode'], 0, 8) . '...'; |
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} |
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unset($arguments['mask']); |
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$json = json_encode($arguments); |
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$xml = str_replace( |
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["encoding='UTF-8'?>\r\n<eveapi", "encoding='UTF-8'?>\n<eveapi"], |
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[ |
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"encoding='UTF-8'?>\r\n<?yapeal.parameters.json " . $json . "?>\r\n<eveapi", |
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"encoding='UTF-8'?>\n<?yapeal.parameters.json " . $json . "?>\n<eveapi" |
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], |
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$xml |
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); |
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$data->setEveApiXml($xml); |
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return $this; |
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} |
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/** |
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* @param string $fileName |
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* @param EveApiReadWriteInterface $data |
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* |
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* @return false|string |
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* @throws \DomainException |
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* @throws \InvalidArgumentException |
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* @throws \LogicException |
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*/ |
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protected function performTransform($fileName, EveApiReadWriteInterface $data) |
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{ |
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$xslt = new XSLTProcessor(); |
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$oldErrors = libxml_use_internal_errors(true); |
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libxml_clear_errors(); |
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$dom = new DOMDocument(); |
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$dom->load($fileName); |
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$xslt->importStylesheet($dom); |
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$result = false; |
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try { |
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$result = $xslt->transformToXml(new SimpleXMLElement($data->getEveApiXml())); |
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} catch (\Exception $exc) { |
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$mess = 'XML cause SimpleXMLElement exception in'; |
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$this->getYem() |
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->triggerLogEvent( |
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'Yapeal.log.log', |
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Logger::WARNING, |
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$this->createEveApiMessage($mess, $data), |
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['exception' => $exc] |
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); |
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} |
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if (false === $result) { |
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/** |
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* @type array $errors |
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*/ |
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$errors = libxml_get_errors(); |
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if (0 !== count($errors)) { |
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foreach ($errors as $error) { |
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$this->getYem() |
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->triggerLogEvent('Yapeal.Log.log', Logger::NOTICE, $error->message); |
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} |
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} |
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} |
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libxml_clear_errors(); |
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libxml_use_internal_errors($oldErrors); |
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return $result; |
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} |
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/** |
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* Holds tidy config settings. |
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* |
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* @type array $tidyConfig |
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*/ |
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protected $tidyConfig = [ |
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'indent' => true, |
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'indent-spaces' => 4, |
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'input-xml' => true, |
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'newline' => 'LF', |
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'output-xml' => true, |
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'wrap' => '1000' |
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]; |
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} |
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Yapeal /
yapeal-ng
