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Diffstat (limited to 'public/system/library/template/Twig/Util/DeprecationCollector.php')
-rw-r--r-- | public/system/library/template/Twig/Util/DeprecationCollector.php | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/public/system/library/template/Twig/Util/DeprecationCollector.php b/public/system/library/template/Twig/Util/DeprecationCollector.php new file mode 100644 index 0000000..e406f0a --- /dev/null +++ b/public/system/library/template/Twig/Util/DeprecationCollector.php @@ -0,0 +1,82 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) Fabien Potencier + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * @author Fabien Potencier <fabien@symfony.com> + */ +class Twig_Util_DeprecationCollector +{ + private $twig; + private $deprecations; + + public function __construct(Twig_Environment $twig) + { + $this->twig = $twig; + } + + /** + * Returns deprecations for templates contained in a directory. + * + * @param string $dir A directory where templates are stored + * @param string $ext Limit the loaded templates by extension + * + * @return array() An array of deprecations + */ + public function collectDir($dir, $ext = '.twig') + { + $iterator = new RegexIterator( + new RecursiveIteratorIterator( + new RecursiveDirectoryIterator($dir), RecursiveIteratorIterator::LEAVES_ONLY + ), '{'.preg_quote($ext).'$}' + ); + + return $this->collect(new Twig_Util_TemplateDirIterator($iterator)); + } + + /** + * Returns deprecations for passed templates. + * + * @param Iterator $iterator An iterator of templates (where keys are template names and values the contents of the template) + * + * @return array() An array of deprecations + */ + public function collect(Iterator $iterator) + { + $this->deprecations = array(); + + set_error_handler(array($this, 'errorHandler')); + + foreach ($iterator as $name => $contents) { + try { + $this->twig->parse($this->twig->tokenize($contents, $name)); + } catch (Twig_Error_Syntax $e) { + // ignore templates containing syntax errors + } + } + + restore_error_handler(); + + $deprecations = $this->deprecations; + $this->deprecations = array(); + + return $deprecations; + } + + /** + * @internal + */ + public function errorHandler($type, $msg) + { + if (E_USER_DEPRECATED === $type) { + $this->deprecations[] = $msg; + } + } +} |