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<?php |
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declare(strict_types=1); |
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namespace App\Crossword\Features\Constructor\Scanner\Grid; |
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use App\Crossword\Features\Constructor\Scanner\Exception\WordNotFitException; |
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use ArrayIterator; |
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use IteratorAggregate; |
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use JsonSerializable; |
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/** |
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* @psalm-immutable |
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*/ |
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final class Line implements IteratorAggregate, JsonSerializable |
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{ |
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private Row $row; |
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public function __construct(Row $row) |
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{ |
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$this->row = clone $row; |
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} |
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public static function withLetter(Row $row, string $letter): self |
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{ |
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return new Line(Row::withCell($row, 0, Cell::withLetter($row->cell(0), $letter))); |
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} |
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public static function withWord(Row $row, string $word): self |
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{ |
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for ($counter = 0; $counter < 3; $counter++) { |
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if (self::suitablePosition($row, $word)) { |
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return new Line(self::fillRow($row, $word)); |
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} |
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$cell = $row->cell(0); |
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$cell->isEmpty() && $row = $row->remove(0); |
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} |
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throw new WordNotFitException(); |
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} |
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private static function suitablePosition(Row $row, string $word): bool |
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{ |
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foreach ($row as $index => $cell) { |
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if ($cell->isLetter() && strlen($word) >= $index + 1 && $word[(int) $index] === $cell->letter()) { |
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return true; |
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} |
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} |
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return false; |
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} |
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private static function fillRow(Row $row, string $word): Row |
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{ |
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$withWord = []; |
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$length = strlen($word); |
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for ($counter = 0; $counter < $length; $counter++) { |
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$withWord[] = Cell::withLetter($row->cell($counter), $word[$counter]); |
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} |
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return new Row(...$withWord); |
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} |
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public function getIterator(): ArrayIterator |
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{ |
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return $this->row->getIterator(); |
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} |
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/** |
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* @psalm-suppress ImpureMethodCall |
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*/ |
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public function jsonSerialize(): array |
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{ |
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return array_map(static fn (Cell $cell) => $cell->jsonSerialize(), $this->getIterator()->getArrayCopy()); |
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} |
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} |
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dykyi-roman /
crossword
