Ajout des vendor
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410
vendor/symfony/var-exporter/Internal/Exporter.php
vendored
Normal file
410
vendor/symfony/var-exporter/Internal/Exporter.php
vendored
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@ -0,0 +1,410 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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 Symfony\Component\VarExporter\Internal;
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use Symfony\Component\VarExporter\Exception\NotInstantiableTypeException;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @internal
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*/
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class Exporter
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{
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/**
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* Prepares an array of values for VarExporter.
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*
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* For performance this method is public and has no type-hints.
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*
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* @param array &$values
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* @param \SplObjectStorage $objectsPool
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* @param array &$refsPool
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* @param int &$objectsCount
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* @param bool &$valuesAreStatic
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*
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* @throws NotInstantiableTypeException When a value cannot be serialized
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*/
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public static function prepare($values, $objectsPool, &$refsPool, &$objectsCount, &$valuesAreStatic): array
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{
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$refs = $values;
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foreach ($values as $k => $value) {
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if (\is_resource($value)) {
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throw new NotInstantiableTypeException(get_resource_type($value).' resource');
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}
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$refs[$k] = $objectsPool;
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if ($isRef = !$valueIsStatic = $values[$k] !== $objectsPool) {
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$values[$k] = &$value; // Break hard references to make $values completely
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unset($value); // independent from the original structure
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$refs[$k] = $value = $values[$k];
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if ($value instanceof Reference && 0 > $value->id) {
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$valuesAreStatic = false;
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++$value->count;
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continue;
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}
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$refsPool[] = [&$refs[$k], $value, &$value];
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$refs[$k] = $values[$k] = new Reference(-\count($refsPool), $value);
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}
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if (\is_array($value)) {
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if ($value) {
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$value = self::prepare($value, $objectsPool, $refsPool, $objectsCount, $valueIsStatic);
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}
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goto handle_value;
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} elseif (!\is_object($value) || $value instanceof \UnitEnum) {
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goto handle_value;
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}
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$valueIsStatic = false;
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if (isset($objectsPool[$value])) {
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++$objectsCount;
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$value = new Reference($objectsPool[$value][0]);
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goto handle_value;
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}
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$class = \get_class($value);
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$reflector = Registry::$reflectors[$class] ?? Registry::getClassReflector($class);
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if ($reflector->hasMethod('__serialize')) {
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if (!$reflector->getMethod('__serialize')->isPublic()) {
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throw new \Error(sprintf('Call to %s method "%s::__serialize()".', $reflector->getMethod('__serialize')->isProtected() ? 'protected' : 'private', $class));
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}
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if (!\is_array($properties = $value->__serialize())) {
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throw new \TypeError($class.'::__serialize() must return an array');
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}
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goto prepare_value;
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}
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$properties = [];
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$sleep = null;
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$proto = Registry::$prototypes[$class];
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if (($value instanceof \ArrayIterator || $value instanceof \ArrayObject) && null !== $proto) {
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// ArrayIterator and ArrayObject need special care because their "flags"
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// option changes the behavior of the (array) casting operator.
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[$arrayValue, $properties] = self::getArrayObjectProperties($value, $proto);
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// populates Registry::$prototypes[$class] with a new instance
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Registry::getClassReflector($class, Registry::$instantiableWithoutConstructor[$class], Registry::$cloneable[$class]);
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} elseif ($value instanceof \SplObjectStorage && Registry::$cloneable[$class] && null !== $proto) {
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// By implementing Serializable, SplObjectStorage breaks
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// internal references; let's deal with it on our own.
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foreach (clone $value as $v) {
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$properties[] = $v;
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$properties[] = $value[$v];
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}
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$properties = ['SplObjectStorage' => ["\0" => $properties]];
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$arrayValue = (array) $value;
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} elseif ($value instanceof \Serializable
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|| $value instanceof \__PHP_Incomplete_Class
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|| $value instanceof \DatePeriod
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|| (\PHP_VERSION_ID >= 80200 && (
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$value instanceof \DateTimeInterface
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|| $value instanceof \DateTimeZone
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|| $value instanceof \DateInterval
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))
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) {
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++$objectsCount;
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$objectsPool[$value] = [$id = \count($objectsPool), serialize($value), [], 0];
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$value = new Reference($id);
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goto handle_value;
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} else {
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if (method_exists($class, '__sleep')) {
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if (!\is_array($sleep = $value->__sleep())) {
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trigger_error('serialize(): __sleep should return an array only containing the names of instance-variables to serialize', \E_USER_NOTICE);
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$value = null;
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goto handle_value;
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}
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$sleep = array_flip($sleep);
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}
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$arrayValue = (array) $value;
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}
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$proto = (array) $proto;
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foreach ($arrayValue as $name => $v) {
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$i = 0;
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$n = (string) $name;
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if ('' === $n || "\0" !== $n[0]) {
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$c = \PHP_VERSION_ID >= 80100 && $reflector->hasProperty($n) && ($p = $reflector->getProperty($n))->isReadOnly() ? $p->class : 'stdClass';
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} elseif ('*' === $n[1]) {
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$n = substr($n, 3);
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$c = $reflector->getProperty($n)->class;
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if ('Error' === $c) {
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$c = 'TypeError';
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} elseif ('Exception' === $c) {
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$c = 'ErrorException';
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}
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} else {
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$i = strpos($n, "\0", 2);
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$c = substr($n, 1, $i - 1);
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$n = substr($n, 1 + $i);
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}
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if (null !== $sleep) {
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if (!isset($sleep[$n]) || ($i && $c !== $class)) {
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continue;
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}
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$sleep[$n] = false;
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}
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if (!\array_key_exists($name, $proto) || $proto[$name] !== $v || "\x00Error\x00trace" === $name || "\x00Exception\x00trace" === $name) {
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$properties[$c][$n] = $v;
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}
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}
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if ($sleep) {
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foreach ($sleep as $n => $v) {
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if (false !== $v) {
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trigger_error(sprintf('serialize(): "%s" returned as member variable from __sleep() but does not exist', $n), \E_USER_NOTICE);
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}
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}
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}
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prepare_value:
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$objectsPool[$value] = [$id = \count($objectsPool)];
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$properties = self::prepare($properties, $objectsPool, $refsPool, $objectsCount, $valueIsStatic);
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++$objectsCount;
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$objectsPool[$value] = [$id, $class, $properties, method_exists($class, '__unserialize') ? -$objectsCount : (method_exists($class, '__wakeup') ? $objectsCount : 0)];
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$value = new Reference($id);
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handle_value:
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if ($isRef) {
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unset($value); // Break the hard reference created above
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} elseif (!$valueIsStatic) {
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$values[$k] = $value;
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}
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$valuesAreStatic = $valueIsStatic && $valuesAreStatic;
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}
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return $values;
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}
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public static function export($value, string $indent = '')
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{
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switch (true) {
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case \is_int($value) || \is_float($value) || $value instanceof \UnitEnum: return var_export($value, true);
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case [] === $value: return '[]';
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case false === $value: return 'false';
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case true === $value: return 'true';
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case null === $value: return 'null';
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case '' === $value: return "''";
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}
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if ($value instanceof Reference) {
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if (0 <= $value->id) {
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return '$o['.$value->id.']';
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}
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if (!$value->count) {
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return self::export($value->value, $indent);
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}
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$value = -$value->id;
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return '&$r['.$value.']';
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}
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$subIndent = $indent.' ';
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if (\is_string($value)) {
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$code = sprintf("'%s'", addcslashes($value, "'\\"));
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$code = preg_replace_callback("/((?:[\\0\\r\\n]|\u{202A}|\u{202B}|\u{202D}|\u{202E}|\u{2066}|\u{2067}|\u{2068}|\u{202C}|\u{2069})++)(.)/", function ($m) use ($subIndent) {
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$m[1] = sprintf('\'."%s".\'', str_replace(
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["\0", "\r", "\n", "\u{202A}", "\u{202B}", "\u{202D}", "\u{202E}", "\u{2066}", "\u{2067}", "\u{2068}", "\u{202C}", "\u{2069}", '\n\\'],
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['\0', '\r', '\n', '\u{202A}', '\u{202B}', '\u{202D}', '\u{202E}', '\u{2066}', '\u{2067}', '\u{2068}', '\u{202C}', '\u{2069}', '\n"'."\n".$subIndent.'."\\'],
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$m[1]
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));
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if ("'" === $m[2]) {
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return substr($m[1], 0, -2);
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}
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if ('n".\'' === substr($m[1], -4)) {
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return substr_replace($m[1], "\n".$subIndent.".'".$m[2], -2);
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}
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return $m[1].$m[2];
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}, $code, -1, $count);
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if ($count && str_starts_with($code, "''.")) {
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$code = substr($code, 3);
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}
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return $code;
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}
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if (\is_array($value)) {
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$j = -1;
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$code = '';
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foreach ($value as $k => $v) {
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$code .= $subIndent;
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if (!\is_int($k) || 1 !== $k - $j) {
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$code .= self::export($k, $subIndent).' => ';
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}
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if (\is_int($k) && $k > $j) {
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$j = $k;
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}
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$code .= self::export($v, $subIndent).",\n";
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}
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return "[\n".$code.$indent.']';
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}
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if ($value instanceof Values) {
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$code = $subIndent."\$r = [],\n";
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foreach ($value->values as $k => $v) {
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$code .= $subIndent.'$r['.$k.'] = '.self::export($v, $subIndent).",\n";
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}
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return "[\n".$code.$indent.']';
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}
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if ($value instanceof Registry) {
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return self::exportRegistry($value, $indent, $subIndent);
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}
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if ($value instanceof Hydrator) {
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return self::exportHydrator($value, $indent, $subIndent);
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}
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throw new \UnexpectedValueException(sprintf('Cannot export value of type "%s".', get_debug_type($value)));
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}
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private static function exportRegistry(Registry $value, string $indent, string $subIndent): string
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{
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$code = '';
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$serializables = [];
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$seen = [];
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$prototypesAccess = 0;
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$factoriesAccess = 0;
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$r = '\\'.Registry::class;
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$j = -1;
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foreach ($value->classes as $k => $class) {
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if (':' === ($class[1] ?? null)) {
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$serializables[$k] = $class;
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continue;
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}
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if (!Registry::$instantiableWithoutConstructor[$class]) {
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if (is_subclass_of($class, 'Serializable') && !method_exists($class, '__unserialize')) {
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$serializables[$k] = 'C:'.\strlen($class).':"'.$class.'":0:{}';
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} else {
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$serializables[$k] = 'O:'.\strlen($class).':"'.$class.'":0:{}';
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}
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if (is_subclass_of($class, 'Throwable')) {
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$eol = is_subclass_of($class, 'Error') ? "\0Error\0" : "\0Exception\0";
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$serializables[$k] = substr_replace($serializables[$k], '1:{s:'.(5 + \strlen($eol)).':"'.$eol.'trace";a:0:{}}', -4);
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}
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continue;
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}
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$code .= $subIndent.(1 !== $k - $j ? $k.' => ' : '');
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$j = $k;
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$eol = ",\n";
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$c = '['.self::export($class).']';
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if ($seen[$class] ?? false) {
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if (Registry::$cloneable[$class]) {
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++$prototypesAccess;
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$code .= 'clone $p'.$c;
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} else {
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++$factoriesAccess;
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$code .= '$f'.$c.'()';
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}
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} else {
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$seen[$class] = true;
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if (Registry::$cloneable[$class]) {
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$code .= 'clone ('.($prototypesAccess++ ? '$p' : '($p = &'.$r.'::$prototypes)').$c.' ?? '.$r.'::p';
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} else {
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$code .= '('.($factoriesAccess++ ? '$f' : '($f = &'.$r.'::$factories)').$c.' ?? '.$r.'::f';
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$eol = '()'.$eol;
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}
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$code .= '('.substr($c, 1, -1).'))';
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}
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$code .= $eol;
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}
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if (1 === $prototypesAccess) {
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$code = str_replace('($p = &'.$r.'::$prototypes)', $r.'::$prototypes', $code);
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}
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if (1 === $factoriesAccess) {
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$code = str_replace('($f = &'.$r.'::$factories)', $r.'::$factories', $code);
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}
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if ('' !== $code) {
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$code = "\n".$code.$indent;
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}
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if ($serializables) {
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$code = $r.'::unserialize(['.$code.'], '.self::export($serializables, $indent).')';
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} else {
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$code = '['.$code.']';
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}
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return '$o = '.$code;
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}
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private static function exportHydrator(Hydrator $value, string $indent, string $subIndent): string
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{
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$code = '';
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foreach ($value->properties as $class => $properties) {
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$code .= $subIndent.' '.self::export($class).' => '.self::export($properties, $subIndent.' ').",\n";
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}
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$code = [
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self::export($value->registry, $subIndent),
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self::export($value->values, $subIndent),
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'' !== $code ? "[\n".$code.$subIndent.']' : '[]',
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self::export($value->value, $subIndent),
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self::export($value->wakeups, $subIndent),
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];
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return '\\'.\get_class($value)."::hydrate(\n".$subIndent.implode(",\n".$subIndent, $code)."\n".$indent.')';
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}
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/**
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* @param \ArrayIterator|\ArrayObject $value
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* @param \ArrayIterator|\ArrayObject $proto
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*/
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private static function getArrayObjectProperties($value, $proto): array
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{
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$reflector = $value instanceof \ArrayIterator ? 'ArrayIterator' : 'ArrayObject';
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$reflector = Registry::$reflectors[$reflector] ?? Registry::getClassReflector($reflector);
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||||
|
||||
$properties = [
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$arrayValue = (array) $value,
|
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$reflector->getMethod('getFlags')->invoke($value),
|
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$value instanceof \ArrayObject ? $reflector->getMethod('getIteratorClass')->invoke($value) : 'ArrayIterator',
|
||||
];
|
||||
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||||
$reflector = $reflector->getMethod('setFlags');
|
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$reflector->invoke($proto, \ArrayObject::STD_PROP_LIST);
|
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|
||||
if ($properties[1] & \ArrayObject::STD_PROP_LIST) {
|
||||
$reflector->invoke($value, 0);
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$properties[0] = (array) $value;
|
||||
} else {
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||||
$reflector->invoke($value, \ArrayObject::STD_PROP_LIST);
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||||
$arrayValue = (array) $value;
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||||
}
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$reflector->invoke($value, $properties[1]);
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||||
|
||||
if ([[], 0, 'ArrayIterator'] === $properties) {
|
||||
$properties = [];
|
||||
} else {
|
||||
if ('ArrayIterator' === $properties[2]) {
|
||||
unset($properties[2]);
|
||||
}
|
||||
$properties = [$reflector->class => ["\0" => $properties]];
|
||||
}
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||||
|
||||
return [$arrayValue, $properties];
|
||||
}
|
||||
}
|
||||
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