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<?php |
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declare(strict_types=1); |
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namespace KRDigital\NamesDetector\Config; |
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use KRDigital\NamesDetector\Dictionary\Dictionary; |
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use KRDigital\NamesDetector\Dictionary\DictionaryInterface; |
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use KRDigital\NamesDetector\Exception\InvalidDictionarySourceException; |
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class Config implements ConfigInterface |
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{ |
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private const EXTENSION_JSON = 'json'; |
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private const EXTENSION_PHP = 'php'; |
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private const ALLOWED_EXTENSIONS = [ |
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self::EXTENSION_JSON, |
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self::EXTENSION_PHP, |
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]; |
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/** |
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* @var string|null |
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*/ |
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protected $dictionaryPath; |
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/** |
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* @var array|null |
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*/ |
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protected $dictionaryData; |
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/** |
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* @var DictionaryInterface |
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*/ |
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protected $dictionary; |
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public function __construct(string $dictionaryPath = null, array $dictionaryData = []) |
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{ |
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if (empty($dictionaryData) && null === $dictionaryPath) { |
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throw new InvalidDictionarySourceException('No input data is provided'); |
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} |
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if (null !== $dictionaryPath && !\file_exists($dictionaryPath)) { |
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throw new InvalidDictionarySourceException(\sprintf('Path %s is invalid', $dictionaryPath)); |
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} |
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$this->dictionaryPath = $dictionaryPath; |
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$this->dictionaryData = $dictionaryData; |
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} |
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public function getDictionary(): DictionaryInterface |
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{ |
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if (null === $this->dictionary) { |
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$this->dictionary = $this->initDictionary(); |
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} |
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return $this->dictionary; |
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} |
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protected function initDictionary(): DictionaryInterface |
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{ |
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if (!empty($this->dictionaryData)) { |
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return Dictionary::fromArray($this->dictionaryData); |
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} |
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return $this->createDictionaryFromFile($this->dictionaryPath); |
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} |
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protected function createDictionaryFromFile(string $dictionaryPath): DictionaryInterface |
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{ |
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$dictionaryExtension = \pathinfo($dictionaryPath, PATHINFO_EXTENSION); |
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switch ($dictionaryExtension) { |
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case self::EXTENSION_PHP: |
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try { |
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$data = include $dictionaryPath; |
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return Dictionary::fromArray($data); |
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} catch (\ParseError $error) { |
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throw new InvalidDictionarySourceException('Dictionary php file is invalid'); |
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} |
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case self::EXTENSION_JSON: |
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// JSON_THROW_ON_ERROR polyfill |
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if (null === $data = \json_decode(\file_get_contents($dictionaryPath), true)) { |
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throw new InvalidDictionarySourceException('Dictionary json file is invalid'); |
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} |
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return Dictionary::fromArray($data); |
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default: |
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throw new InvalidDictionarySourceException(\sprintf('Extension %s is not valid, allowed extensions are %s', $dictionaryExtension, \implode(', ', self::ALLOWED_EXTENSIONS))); |
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} |
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} |
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} |
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kr-digital /
names-detector
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