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<?php |
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namespace UCD\Infrastructure\Repository\CharacterRepository\FileRepository; |
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use UCD\Exception\UnexpectedValueException; |
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use UCD\Infrastructure\Repository\CharacterRepository\FileRepository\RangeFile\IntervalTree; |
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class RangeFiles implements \IteratorAggregate, \Countable |
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{ |
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/** |
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* @var RangeFile[]|\SplObjectStorage |
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*/ |
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private $map; |
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/** |
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* @var IntervalTree |
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*/ |
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private $tree; |
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/** |
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* @param RangeFile[] $files |
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*/ |
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public function __construct(array $files = []) |
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{ |
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$ranges = []; |
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$map = new \SplObjectStorage(); |
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foreach ($files as $file) { |
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$map->attach($file->getRange(), $file); |
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array_push($ranges, $file->getRange()); |
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} |
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$this->map = $map; |
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$this->tree = new IntervalTree($ranges); |
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} |
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/** |
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* @param RangeFile $file |
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* @return RangeFile |
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*/ |
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public function add(RangeFile $file) |
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{ |
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$this->map->attach($file->getRange(), $file); |
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$this->tree->add($file->getRange()); |
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return $file; |
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} |
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/** |
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* @param int $value |
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* @return RangeFile|null |
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* @throws UnexpectedValueException |
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*/ |
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public function getForValue($value) |
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{ |
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$ranges = $this->tree->search($value); |
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$count = count($ranges); |
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if ($count === 0) { |
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return null; |
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} |
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if ($count > 1) { |
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throw new UnexpectedValueException(); |
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} |
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$range = array_shift($ranges); |
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return $this->map[$range]; |
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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($this->getAllFiles()); |
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} |
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/** |
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* @return RangeFile[] |
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*/ |
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private function getAllFiles() |
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{ |
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$all = []; |
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$this->map->rewind(); |
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while ($this->map->valid() === true) { |
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array_push($all, $this->map->getInfo()); |
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$this->map->next(); |
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} |
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return $all; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function count() |
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{ |
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return count($this->map); |
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} |
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} |
nick-jones /
php-ucd
