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<?php |
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namespace Swaggest\JsonSchema; |
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use PhpLang\ScopeExit; |
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use Swaggest\JsonSchema\Constraint\Ref; |
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use Swaggest\JsonSchema\RemoteRef\BasicFetcher; |
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class RefResolver |
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{ |
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public $resolutionScope = ''; |
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public $url; |
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/** @var RefResolver */ |
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private $rootResolver; |
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/** |
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* @param mixed $resolutionScope |
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* @return string previous value |
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*/ |
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public function setResolutionScope($resolutionScope) |
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{ |
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$rootResolver = $this->rootResolver ? $this->rootResolver : $this; |
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if ($resolutionScope === $rootResolver->resolutionScope) { |
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return $resolutionScope; |
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} |
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$prev = $rootResolver->resolutionScope; |
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$rootResolver->resolutionScope = $resolutionScope; |
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return $prev; |
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} |
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/** |
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* @return string |
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*/ |
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public function getResolutionScope() |
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{ |
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$rootResolver = $this->rootResolver ? $this->rootResolver : $this; |
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return $rootResolver->resolutionScope; |
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} |
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public function updateResolutionScope($id) |
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{ |
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$id = rtrim($id, '#'); |
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$rootResolver = $this->rootResolver ? $this->rootResolver : $this; |
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if (strpos($id, '://') !== false) { |
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$prev = $rootResolver->setResolutionScope($id); |
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} else { |
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$prev = $rootResolver->setResolutionScope(Helper::resolveURI($rootResolver->resolutionScope, $id)); |
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} |
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return $prev; |
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} |
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public function setupResolutionScope($id, $data) |
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{ |
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$rootResolver = $this->rootResolver ? $this->rootResolver : $this; |
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$prev = $this->updateResolutionScope($id); |
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$refParts = explode('#', $rootResolver->resolutionScope, 2); |
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if ($refParts[0] && empty($refParts[1])) { |
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if (!isset($rootResolver->remoteRefResolvers[$refParts[0]])) { |
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$resolver = new RefResolver($data); |
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$resolver->rootResolver = $rootResolver; |
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$resolver->url = $refParts[0]; |
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$this->remoteRefResolvers[$refParts[0]] = $resolver; |
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} |
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} |
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return $prev; |
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} |
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private $rootData; |
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/** @var Ref[] */ |
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private $refs = array(); |
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/** @var RefResolver[] */ |
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private $remoteRefResolvers = array(); |
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/** @var RemoteRefProvider */ |
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private $refProvider; |
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/** |
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* RefResolver constructor. |
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* @param $rootData |
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*/ |
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public function __construct($rootData) |
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{ |
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$this->rootData = $rootData; |
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} |
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public function setRemoteRefProvider(RemoteRefProvider $provider) |
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{ |
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$this->refProvider = $provider; |
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return $this; |
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} |
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private function getRefProvider() |
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{ |
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if (null === $this->refProvider) { |
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$this->refProvider = new BasicFetcher(); |
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} |
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return $this->refProvider; |
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} |
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/** |
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* @param $referencePath |
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* @return Ref |
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* @throws \Exception |
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*/ |
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public function resolveReference($referencePath) |
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{ |
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if ($this->resolutionScope) { |
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$referencePath = Helper::resolveURI($this->resolutionScope, $referencePath); |
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} |
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$refParts = explode('#', $referencePath, 2); |
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$url = rtrim($refParts[0], '#'); |
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$refLocalPath = isset($refParts[1]) ? '#' . $refParts[1] : '#'; |
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if ($url === $this->url) { |
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$referencePath = $refLocalPath; |
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} |
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$ref = &$this->refs[$referencePath]; |
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$refResolver = $this; |
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if (null === $ref) { |
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if ($referencePath[0] === '#') { |
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if ($referencePath === '#') { |
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$ref = new Ref($referencePath, $refResolver->rootData); |
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} else { |
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$ref = new Ref($referencePath); |
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$path = explode('/', trim($referencePath, '#/')); |
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/** @var JsonSchema $branch */ |
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$branch = &$refResolver->rootData; |
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while (!empty($path)) { |
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if (isset($branch->id) && is_string($branch->id)) { |
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$refResolver->updateResolutionScope($branch->id); |
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} |
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$folder = array_shift($path); |
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// unescaping special characters |
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// https://tools.ietf.org/html/draft-ietf-appsawg-json-pointer-07#section-4 |
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// https://github.com/json-schema-org/JSON-Schema-Test-Suite/issues/130 |
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$folder = str_replace(array('~0', '~1', '%25'), array('~', '/', '%'), $folder); |
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if ($branch instanceof \stdClass && isset($branch->$folder)) { |
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$branch = &$branch->$folder; |
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} elseif (is_array($branch) && isset($branch[$folder])) { |
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$branch = &$branch[$folder]; |
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} else { |
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throw new InvalidValue('Could not resolve ' . $referencePath . '@' . $this->getResolutionScope() . ': ' . $folder); |
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} |
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} |
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$ref->setData($branch); |
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} |
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} else { |
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if ($url !== $this->url) { |
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$rootResolver = $this->rootResolver ? $this->rootResolver : $this; |
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$refResolver = &$rootResolver->remoteRefResolvers[$url]; |
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if (null === $refResolver) { |
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$rootData = $rootResolver->getRefProvider()->getSchemaData($url); |
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$refResolver = new RefResolver($rootData); |
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$refResolver->rootResolver = $rootResolver; |
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$refResolver->refProvider = $this->refProvider; |
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$refResolver->url = $url; |
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$rootResolver->setResolutionScope($url); |
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} |
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} |
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$ref = $refResolver->resolveReference($refLocalPath); |
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} |
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} |
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return $ref; |
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} |
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} |
swaggest /
php-json-schema
