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<?php |
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/* |
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* This file is part of Respect/Validation. |
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* |
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* (c) Alexandre Gomes Gaigalas <[email protected]> |
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* |
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* For the full copyright and license information, please view the "LICENSE.md" |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Respect\Validation\Exceptions; |
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use Exception; |
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use IteratorAggregate; |
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use RecursiveIteratorIterator; |
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use SplObjectStorage; |
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use function count; |
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use function is_array; |
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class NestedValidationException extends ValidationException implements IteratorAggregate |
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{ |
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/** |
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* @var SplObjectStorage |
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*/ |
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private $exceptions = []; |
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/** |
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* @param ValidationException $exception |
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* |
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* @return self |
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*/ |
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public function addRelated(ValidationException $exception) |
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{ |
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$this->getRelated()->attach($exception); |
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return $this; |
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} |
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/** |
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* @return RecursiveIteratorIterator |
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*/ |
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private function getRecursiveIterator() |
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{ |
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$exceptionIterator = new RecursiveExceptionIterator($this); |
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$recursiveIteratorIterator = new RecursiveIteratorIterator( |
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$exceptionIterator, |
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RecursiveIteratorIterator::SELF_FIRST |
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); |
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return $recursiveIteratorIterator; |
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} |
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/** |
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* Returns weather an exception should be omitted or not. |
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* |
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* @param Exception $exception |
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* |
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* @return bool |
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*/ |
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private function isOmissible(Exception $exception) |
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{ |
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if (!$exception instanceof self) { |
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return false; |
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} |
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$relatedExceptions = $exception->getRelated(); |
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$relatedExceptions->rewind(); |
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$childException = $relatedExceptions->current(); |
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return 1 === $relatedExceptions->count() && !$childException instanceof NonOmissibleException; |
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} |
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/** |
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* @return SplObjectStorage |
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*/ |
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public function getIterator() |
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{ |
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$childrenExceptions = new SplObjectStorage(); |
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$recursiveIteratorIterator = $this->getRecursiveIterator(); |
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$exceptionIterator = $recursiveIteratorIterator->getInnerIterator(); |
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$lastDepth = 0; |
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$lastDepthOriginal = 0; |
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$knownDepths = []; |
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foreach ($recursiveIteratorIterator as $childException) { |
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if ($this->isOmissible($childException)) { |
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continue; |
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} |
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$currentDepth = $lastDepth; |
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$currentDepthOriginal = $recursiveIteratorIterator->getDepth() + 1; |
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if (isset($knownDepths[$currentDepthOriginal])) { |
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$currentDepth = $knownDepths[$currentDepthOriginal]; |
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} elseif ($currentDepthOriginal > $lastDepthOriginal |
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&& ($this->hasCustomTemplate() || 1 != $exceptionIterator->count())) { |
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++$currentDepth; |
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} |
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if (!isset($knownDepths[$currentDepthOriginal])) { |
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$knownDepths[$currentDepthOriginal] = $currentDepth; |
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} |
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$lastDepth = $currentDepth; |
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$lastDepthOriginal = $currentDepthOriginal; |
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$childrenExceptions->attach( |
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$childException, |
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[ |
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'depth' => $currentDepth, |
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'depth_original' => $currentDepthOriginal, |
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'previous_depth' => $lastDepth, |
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'previous_depth_original' => $lastDepthOriginal, |
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] |
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); |
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} |
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return $childrenExceptions; |
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} |
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public function getMessages(array $templates = []): array |
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{ |
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$messages = [$this->getId() => $this->renderMessage($this, $templates)]; |
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foreach ($this->getRelated() as $exception) { |
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$id = $exception->getId(); |
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if (!$exception instanceof self) { |
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$messages[$id] = $this->renderMessage( |
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$exception, |
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$this->findTemplates($templates, $this->getId()) |
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); |
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continue; |
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} |
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$messages[$id] = $exception->getMessages($this->findTemplates($templates, $id, $this->getId())); |
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if (count($messages[$id]) > 1) { |
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continue; |
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} |
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$messages[$id] = current($messages[$exception->getId()]); |
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} |
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if (count($messages) > 1) { |
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unset($messages[$this->getId()]); |
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} |
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return $messages; |
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} |
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/** |
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* @return string |
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*/ |
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public function getFullMessage() |
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{ |
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$marker = '-'; |
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$messages = []; |
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$exceptions = $this->getIterator(); |
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if ($this->hasCustomTemplate() || 1 != count($exceptions)) { |
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$messages[] = sprintf('%s %s', $marker, $this->getMessage()); |
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} |
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foreach ($exceptions as $exception) { |
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$depth = $exceptions[$exception]['depth']; |
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$prefix = str_repeat(' ', $depth * 2); |
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$messages[] = sprintf('%s%s %s', $prefix, $marker, $exception->getMessage()); |
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} |
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return implode(PHP_EOL, $messages); |
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} |
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/** |
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* @return SplObjectStorage|ValidationException[] |
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*/ |
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public function getRelated() |
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{ |
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if (!$this->exceptions instanceof SplObjectStorage) { |
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$this->exceptions = new SplObjectStorage(); |
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} |
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return $this->exceptions; |
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} |
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/** |
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* @param array $exceptions |
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* |
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* @return self |
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*/ |
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public function setRelated(array $exceptions) |
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{ |
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foreach ($exceptions as $exception) { |
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$this->addRelated($exception); |
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} |
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return $this; |
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} |
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private function renderMessage(ValidationException $exception, array $templates): string |
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{ |
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if (isset($templates[$exception->getId()])) { |
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$exception->updateTemplate($templates[$exception->getId()]); |
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} |
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return $exception->getMessage(); |
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} |
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private function findTemplates(array $templates, ...$ids): array |
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{ |
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while (count($ids) > 0) { |
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$id = array_shift($ids); |
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if (isset($templates[$id]) && is_array($templates[$id])) { |
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$templates = $templates[$id]; |
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} |
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} |
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return $templates; |
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} |
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} |
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Respect /
Validation
Loading history...
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: