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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Micro framework package. |
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* |
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* (c) Stanislau Komar <[email protected]> |
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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 Micro\Library\DTO\Reader; |
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use Micro\Library\DTO\Merger\MergerFactoryInterface; |
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/** |
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* @TODO: Temporary solution. MVP |
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* @TODO: Get XSD api version |
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*/ |
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class XmlReader implements ReaderInterface |
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{ |
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/** |
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* @param iterable<string> $classDefinitionFilesCollection |
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*/ |
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public function __construct( |
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private iterable $classDefinitionFilesCollection, |
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private MergerFactoryInterface $mergerFactory |
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) { |
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} |
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public function read(): iterable |
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{ |
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$classCollection = []; |
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foreach ($this->classDefinitionFilesCollection as $filePath) { |
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$xml = $this->createDom($filePath); |
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foreach ($xml->getElementsByTagName(self::TAG_CLASS_DEFINITION) as $classDef) { |
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$classCollection[] = $this->parse($classDef); |
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} |
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} |
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return $this->mergerFactory->create($classCollection)->merge(); |
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} |
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/** |
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* @param \DOMDocument $document |
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* |
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* @return string[] |
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*/ |
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protected function lookupXsd(\DOMDocument $document): array |
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{ |
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$schemaLocation = $document->getElementsByTagName('dto')[0]->getAttribute('xsi:schemaLocation'); |
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if (!$schemaLocation) { |
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throw new \RuntimeException('XSD Scheme should be declared on <dto xsi:schemaLocation="">'); |
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} |
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$location = explode(' ', $schemaLocation); |
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if (2 !== \count($location)) { |
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throw new \RuntimeException(sprintf('XSD Scheme declaration failed <dto xsi:schemaLocation="%s">', $schemaLocation)); |
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} |
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return $location; |
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} |
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/** |
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* @param \DOMNode $node |
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* @return array |
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*/ |
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protected function parse(\DOMNode $node): array |
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{ |
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$attributes = []; |
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if ($node->hasAttributes()) { |
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/** |
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* @var \DOMAttr $tmpAttribute |
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*/ |
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foreach ($node->attributes as $tmpAttribute) { |
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$attributes[$tmpAttribute->nodeName] = $tmpAttribute->nodeValue; |
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} |
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} |
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if ($node->hasChildNodes()) { |
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/** @var \DOMNode $child */ |
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foreach ($node->childNodes as $child) { |
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$childName = $child->nodeName; |
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if ('#text' === $childName) { |
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continue; |
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} |
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$attributes[$childName][] = $this->parse($child); |
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} |
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} |
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return $attributes; |
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} |
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protected function createDom(string $filePath): \DOMDocument |
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{ |
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if (!file_exists($filePath)) { |
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throw new \RuntimeException(sprintf('File %s is not found', $filePath)); |
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} |
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if (!is_readable($filePath)) { |
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throw new \RuntimeException(sprintf('Has no access to read the file %s', $filePath)); |
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} |
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$xml = new \DOMDocument(); |
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$xml->load($filePath); |
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$xsdSchemaCfg = $this->lookupXsd($xml); |
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$xsdSchemaLocation = $xsdSchemaCfg[1]; |
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libxml_use_internal_errors(true); |
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if ($xml->schemaValidate($xsdSchemaLocation)) { |
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return $xml; |
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} |
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1 |
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$errs = []; |
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foreach (libxml_get_errors() as $error) { |
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$errs[] = sprintf('%s in file `%s` on line %d', $error->message, $error->file, $error->line); |
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} |
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$errorMessage = implode("\n ", $errs); |
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libxml_use_internal_errors(false); |
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throw new \RuntimeException(sprintf("Schema validation exception: \r\n %s\r", $errorMessage)); |
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} |
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} |
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Micro-PHP /
dto
