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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 Geocoder package. |
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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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* @license MIT License |
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*/ |
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namespace Geocoder\Model; |
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use Geocoder\Exception\CollectionIsEmpty; |
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use Geocoder\Exception\InvalidArgument; |
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use Geocoder\Exception\OutOfBoundsException; |
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/** |
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* @author Giorgio Premi <[email protected]> |
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*/ |
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final class AdminLevelCollection implements \IteratorAggregate, \Countable |
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{ |
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const MAX_LEVEL_DEPTH = 5; |
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/** |
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* @var AdminLevel[] |
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*/ |
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private $adminLevels; |
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/** |
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* @param AdminLevel[] $adminLevels |
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*/ |
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public function __construct(array $adminLevels = []) |
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{ |
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$this->adminLevels = []; |
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foreach ($adminLevels as $adminLevel) { |
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$level = $adminLevel->getLevel(); |
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$this->checkLevel($level); |
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if ($this->has($level)) { |
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throw new InvalidArgument(sprintf('Administrative level %d is defined twice', $level)); |
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} |
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$this->adminLevels[$level] = $adminLevel; |
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} |
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ksort($this->adminLevels, SORT_NUMERIC); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->all()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count() |
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{ |
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return count($this->adminLevels); |
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} |
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/** |
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* @return AdminLevel |
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* |
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* @throws CollectionIsEmpty |
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*/ |
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public function first(): AdminLevel |
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{ |
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if (empty($this->adminLevels)) { |
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throw new CollectionIsEmpty(); |
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} |
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return reset($this->adminLevels); |
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} |
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/** |
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* @param int $offset |
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* @param int|null $length |
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* |
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* @return AdminLevel[] |
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*/ |
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public function slice(int $offset, int $length = null): array |
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{ |
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return array_slice($this->adminLevels, $offset, $length, true); |
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} |
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/** |
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* @return bool |
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*/ |
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public function has(int $level): bool |
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{ |
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return isset($this->adminLevels[$level]); |
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} |
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/** |
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* @return AdminLevel |
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* |
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* @throws \OutOfBoundsException |
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* @throws InvalidArgument |
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*/ |
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public function get(int $level): AdminLevel |
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{ |
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$this->checkLevel($level); |
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if (!isset($this->adminLevels[$level])) { |
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throw new InvalidArgument(sprintf('Administrative level %d is not set for this address', $level)); |
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} |
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return $this->adminLevels[$level]; |
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} |
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/** |
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* @return AdminLevel[] |
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*/ |
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public function all() |
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{ |
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return $this->adminLevels; |
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} |
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/** |
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* @param int $level |
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* |
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* @throws \OutOfBoundsException |
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*/ |
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private function checkLevel(int $level) |
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{ |
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if ($level <= 0 || $level > self::MAX_LEVEL_DEPTH) { |
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throw new OutOfBoundsException( |
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sprintf('Administrative level should be an integer in [1,%d], %d given', self::MAX_LEVEL_DEPTH, $level) |
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); |
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} |
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} |
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} |
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geocoder-php /
php-common
