<?php

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/*

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* This file is part of Twig.

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*

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* (c) Fabien Potencier

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*

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* For the full copyright and license information, please view the LICENSE

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* file that was distributed with this source code.

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*/

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namespace WPML\Core\Twig\Util;

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use WPML\Core\Twig\Environment;

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use WPML\Core\Twig\Error\SyntaxError;

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use WPML\Core\Twig\Source;

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/**

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* @author Fabien Potencier <fabien@symfony.com>

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*

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* @final

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*/

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class DeprecationCollector

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{

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private $twig;

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private $deprecations;

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public function __construct(\WPML\Core\Twig\Environment $twig)

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{

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$this->twig = $twig;

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}

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/**

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* Returns deprecations for templates contained in a directory.

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*

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* @param string $dir A directory where templates are stored

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* @param string $ext Limit the loaded templates by extension

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*

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* @return array An array of deprecations

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*/

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public function collectDir($dir, $ext = '.twig')

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{

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$iterator = new \RegexIterator(new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir), \RecursiveIteratorIterator::LEAVES_ONLY), '{' . \preg_quote($ext) . '$}');

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return $this->collect(new \WPML\Core\Twig\Util\TemplateDirIterator($iterator));

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}

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/**

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* Returns deprecations for passed templates.

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*

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* @param \Traversable $iterator An iterator of templates (where keys are template names and values the contents of the template)

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*

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* @return array An array of deprecations

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*/

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public function collect(\Traversable $iterator)

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{

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$this->deprecations = [];

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\set_error_handler([$this, 'errorHandler']);

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foreach ($iterator as $name => $contents) {

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try {

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$this->twig->parse($this->twig->tokenize(new \WPML\Core\Twig\Source($contents, $name)));

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} catch (\WPML\Core\Twig\Error\SyntaxError $e) {

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// ignore templates containing syntax errors

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}

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}

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\restore_error_handler();

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$deprecations = $this->deprecations;

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$this->deprecations = [];

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return $deprecations;

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}

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/**

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* @internal

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*/

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public function errorHandler($type, $msg)

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{

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if (\E_USER_DEPRECATED === $type) {

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$this->deprecations[] = $msg;

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}

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}

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}

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\class_alias('WPML\\Core\\Twig\\Util\\DeprecationCollector', 'WPML\\Core\\Twig_Util_DeprecationCollector');

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