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<?php |
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namespace Hyperized\Xml; |
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use Hyperized\Xml\Exceptions\InvalidXmlException; |
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/** |
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* Class Validator |
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* @package Hyperized\Xml |
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* Based on: http://stackoverflow.com/a/30058598/1757763 |
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*/ |
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final class Validator |
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{ |
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/** |
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* @var array |
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*/ |
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private $errors; |
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/** |
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* @param $xmlFilename |
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* @param $xsdFile |
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* @param string $version |
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* @param string $encoding |
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* |
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* @return bool |
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* @throws InvalidXmlException |
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*/ |
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public function isXMLFileValid(string $xmlFilename, string $xsdFile = null, string $version = '1.0', string $encoding = 'utf-8'): bool |
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{ |
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return $this->isXMLStringValid(file_get_contents($xmlFilename), $xsdFile, $version, $encoding); |
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} |
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/** |
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* @param $xml |
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* @param $xsdFile |
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* @param string $version |
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* @param string $encoding |
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* |
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* @return bool |
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* @throws InvalidXmlException |
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*/ |
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public function isXMLStringValid(string $xml, string $xsdFile = null, string $version = '1.0', string $encoding = 'utf-8'): bool |
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{ |
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if ($xsdFile !== null && !$this->isXMLContentValid($xml, $version, $encoding, $xsdFile)) { |
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throw new InvalidXmlException('Could not validate XML string with XSD file'); |
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} |
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if (!$this->isXMLContentValid($xml, $version, $encoding)) { |
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throw new InvalidXmlException('Could not validate XML string'); |
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} |
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return true; |
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} |
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/** |
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* @param string $xmlContent |
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* @param string $version |
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* @param string $encoding |
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* @param string|null $xsdFile |
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* |
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* @return bool |
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* @throws InvalidXmlException |
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*/ |
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private function isXMLContentValid(string $xmlContent, string $version = '1.0', string $encoding = 'utf-8', string $xsdFile = null): bool |
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{ |
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if (trim($xmlContent) === '') { |
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throw new InvalidXmlException('The provided XML content is, after trimming, in fact an empty string'); |
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} |
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libxml_use_internal_errors(true); |
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$doc = new \DOMDocument($version, $encoding); |
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$doc->loadXML($xmlContent); |
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if ($xsdFile !== null) { |
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$doc->schemaValidate($xsdFile); |
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} |
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$this->errors = libxml_get_errors(); |
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libxml_clear_errors(); |
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return empty($this->errors); |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getErrors(): array |
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{ |
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return $this->errors; |
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} |
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/** |
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* @return string |
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*/ |
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public function getPrettyErrors(): string |
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{ |
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$return = []; |
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foreach ($this->errors as $error) { |
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$return[] = $error->message; |
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} |
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return implode("\n", $return); |
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} |
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} |
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hyperized /
xml-validator
