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<?php |
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/* |
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* Copyright 2011 Johannes M. Schmitt <[email protected]> |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace JMS\SerializerBundle\Cache; |
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use Metadata\MetadataFactoryInterface; |
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use Symfony\Component\Finder\Finder; |
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use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface; |
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/** |
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* @author Asmir Mustafic <[email protected]> |
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*/ |
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class CacheWarmer implements CacheWarmerInterface |
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{ |
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/** |
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* @var MetadataFactoryInterface |
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*/ |
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private $metadataFactory; |
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/** |
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* @var string[] |
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*/ |
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private $includePaths = array(); |
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/** |
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* @var string[] |
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*/ |
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private $excludePaths = array(); |
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public function __construct(array $includePaths, MetadataFactoryInterface $metadataFactory, array $excludePaths = array()) |
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{ |
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$this->metadataFactory = $metadataFactory; |
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$this->includePaths = $includePaths; |
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$this->excludePaths = $excludePaths; |
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} |
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public function warmUp($cacheDir) |
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{ |
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$finder = Finder::create() |
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->ignoreVCS(true) |
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->ignoreDotFiles(true) |
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->ignoreUnreadableDirs(true) |
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->in($this->includePaths) |
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->exclude($this->excludePaths) |
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->name('*.php'); |
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foreach ($finder as $file) { |
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$classes = self::findClasses($file->getPathname()); |
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foreach ($classes as $class) { |
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$this->metadataFactory->getMetadataForClass($class); |
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} |
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} |
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} |
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public function isOptional() |
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{ |
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return true; |
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} |
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/** |
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* Extract the classes in the given file. |
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* |
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* This has been copied from https://github.com/composer/composer/blob/bfed974ae969635e622c4844e5e69526d8459baf/src/Composer/Autoload/ClassMapGenerator.php#L120-L214 |
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* |
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* @param string $path The file to check |
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* @throws \RuntimeException |
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* @return array The found classes |
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*/ |
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private static function findClasses($path) |
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{ |
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$extraTypes = PHP_VERSION_ID < 50400 ? '' : '|trait'; |
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if (defined('HHVM_VERSION') && version_compare(HHVM_VERSION, '3.3', '>=')) { |
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$extraTypes .= '|enum'; |
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} |
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// Use @ here instead of Silencer to actively suppress 'unhelpful' output |
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// @link https://github.com/composer/composer/pull/4886 |
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$contents = @php_strip_whitespace($path); |
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if (!$contents) { |
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if (!file_exists($path)) { |
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$message = 'File at "%s" does not exist, check your classmap definitions'; |
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} elseif (!is_readable($path)) { |
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$message = 'File at "%s" is not readable, check its permissions'; |
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} elseif ('' === trim(file_get_contents($path))) { |
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// The input file was really empty and thus contains no classes |
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return array(); |
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} else { |
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$message = 'File at "%s" could not be parsed as PHP, it may be binary or corrupted'; |
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} |
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$error = error_get_last(); |
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if (isset($error['message'])) { |
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$message .= PHP_EOL . 'The following message may be helpful:' . PHP_EOL . $error['message']; |
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} |
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throw new \RuntimeException(sprintf($message, $path)); |
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} |
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// return early if there is no chance of matching anything in this file |
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if (!preg_match('{\b(?:class|interface' . $extraTypes . ')\s}i', $contents)) { |
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return array(); |
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} |
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// strip heredocs/nowdocs |
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$contents = preg_replace('{<<<\s*(\'?)(\w+)\\1(?:\r\n|\n|\r)(?:.*?)(?:\r\n|\n|\r)\\2(?=\r\n|\n|\r|;)}s', 'null', $contents); |
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// strip strings |
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$contents = preg_replace('{"[^"\\\\]*+(\\\\.[^"\\\\]*+)*+"|\'[^\'\\\\]*+(\\\\.[^\'\\\\]*+)*+\'}s', 'null', $contents); |
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// strip leading non-php code if needed |
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if (substr($contents, 0, 2) !== '<?') { |
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$contents = preg_replace('{^.+?<\?}s', '<?', $contents, 1, $replacements); |
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if ($replacements === 0) { |
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return array(); |
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} |
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} |
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// strip non-php blocks in the file |
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$contents = preg_replace('{\?>.+<\?}s', '?><?', $contents); |
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// strip trailing non-php code if needed |
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$pos = strrpos($contents, '?>'); |
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if (false !== $pos && false === strpos(substr($contents, $pos), '<?')) { |
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$contents = substr($contents, 0, $pos); |
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} |
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preg_match_all('{ |
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(?: |
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\b(?<![\$:>])(?P<type>class|interface' . $extraTypes . ') \s++ (?P<name>[a-zA-Z_\x7f-\xff:][a-zA-Z0-9_\x7f-\xff:\-]*+) |
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| \b(?<![\$:>])(?P<ns>namespace) (?P<nsname>\s++[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\s*+\\\\\s*+[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+)? \s*+ [\{;] |
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) |
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}ix', $contents, $matches); |
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$classes = array(); |
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$namespace = ''; |
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for ($i = 0, $len = count($matches['type']); $i < $len; $i++) { |
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if (!empty($matches['ns'][$i])) { |
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$namespace = str_replace(array(' ', "\t", "\r", "\n"), '', $matches['nsname'][$i]) . '\\'; |
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} else { |
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$name = $matches['name'][$i]; |
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// skip anon classes extending/implementing |
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if ($name === 'extends' || $name === 'implements') { |
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continue; |
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} |
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if ($name[0] === ':') { |
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// This is an XHP class, https://github.com/facebook/xhp |
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$name = 'xhp' . substr(str_replace(array('-', ':'), array('_', '__'), $name), 1); |
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} elseif ($matches['type'][$i] === 'enum') { |
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// In Hack, something like: |
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// enum Foo: int { HERP = '123'; } |
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// The regex above captures the colon, which isn't part of |
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// the class name. |
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$name = rtrim($name, ':'); |
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} |
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$classes[] = ltrim($namespace . $name, '\\'); |
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} |
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} |
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return $classes; |
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} |
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} |
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schmittjoh /
JMSSerializerBundle
