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<?php |
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declare(strict_types=1); |
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namespace Remorhaz\UniLex\RegExp; |
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use Remorhaz\UniLex\RegExp\FSM\RangeSet; |
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use function error_clear_last; |
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use function error_get_last; |
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use function is_string; |
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final class PropertyLoader implements PropertyLoaderInterface |
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{ |
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private $path; |
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private $index; |
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private $cache = []; |
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public static function create(): self |
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{ |
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$index = require __DIR__ . '/PropertyIndex.php'; |
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return new self(__DIR__, $index); |
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} |
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public function __construct(string $path, array $index) |
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{ |
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$this->path = $path; |
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$this->index = $index; |
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} |
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public function getRangeSet(string $propertyName): RangeSet |
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{ |
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if (!isset($this->cache[$propertyName])) { |
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$this->cache[$propertyName] = $this->loadRangeSet($propertyName); |
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} |
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return $this->cache[$propertyName]; |
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} |
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private function loadRangeSet(string $propertyName): RangeSet |
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{ |
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if (!isset($this->index[$propertyName])) { |
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throw new Exception\PropertyRangeSetNotFoundException($propertyName); |
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} |
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$file = $this->index[$propertyName]; |
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if (!is_string($file)) { |
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throw new Exception\InvalidPropertyConfigException($propertyName, $file); |
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} |
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$fileName = $this->path . $file; |
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error_clear_last(); |
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/** @noinspection PhpIncludeInspection */ |
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$rangeSet = @include $fileName; |
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if (false === $rangeSet) { |
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$lastError = error_get_last(); |
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if (isset($lastError)) { |
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throw new Exception\PropertyFileNotLoadedException( |
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$propertyName, |
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$fileName, |
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$lastError['message'] ?? null |
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); |
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} |
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} |
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if ($rangeSet instanceof RangeSet) { |
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return $rangeSet; |
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} |
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throw new Exception\InvalidPropertyRangeSetException($propertyName, $fileName, $rangeSet); |
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} |
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} |
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remorhaz /
php-unilex
