78 lines
2.0 KiB
PHP
78 lines
2.0 KiB
PHP
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<?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 Twig\Util;
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use Twig\Environment;
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use Twig\Error\SyntaxError;
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use 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 class DeprecationCollector
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{
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private $twig;
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public function __construct(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(string $dir, string $ext = '.twig'): array
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{
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$iterator = new \RegexIterator(
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new \RecursiveIteratorIterator(
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new \RecursiveDirectoryIterator($dir), \RecursiveIteratorIterator::LEAVES_ONLY
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), '{'.preg_quote($ext).'$}'
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);
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return $this->collect(new TemplateDirIterator($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 $iterator): array
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{
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$deprecations = [];
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set_error_handler(function ($type, $msg) use (&$deprecations) {
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if (\E_USER_DEPRECATED === $type) {
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$deprecations[] = $msg;
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}
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});
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foreach ($iterator as $name => $contents) {
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try {
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$this->twig->parse($this->twig->tokenize(new Source($contents, $name)));
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} catch (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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return $deprecations;
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}
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}
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