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NQueensPuzzle::representation()   A
last analyzed

↳ Parent: NQueensPuzzle

Complexity

Conditions 2
Paths 2

Size

Total Lines 8
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 2
Bugs 0 Features 0
Metric Value
cc 2
eloc 4
c 2
b 0
f 0
nc 2
nop 0
dl 0
loc 8
rs 10
1 
<?php declare(strict_types=1);
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namespace Stratadox\PuzzleSolver\Puzzle\NQueens;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Stratadox\PuzzleSolver\Move;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Stratadox\PuzzleSolver\Puzzle;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Stratadox\PuzzleSolver\Moves;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use function explode;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use function implode;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use const PHP_EOL;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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final class NQueensPuzzle implements Puzzle

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /** @var Board */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $board;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /** @var Moves */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $moves;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct(Board $board, Moves $moves)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->board = $board;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->moves = $moves;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public static function forQueens(int $n): Puzzle

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return new self(Board::ofSize($n), Moves::none());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function representation(): string

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $board = explode(PHP_EOL, (string) $this->board);

            


            
                                                                        
                            
            
                                    
            
            

                
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        /** @var QueenPlacement $queen */

            


            
                                                                        
                            
            
                                    
            
            

                
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        foreach ($this->moves as $queen) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $board[1 + $queen->row()][2 + $queen->column() * 3] = 'Q';

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                                                                        
                        

                            
                            
0 ignored issues

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            Bug
    
    
    
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The method column() does not exist on Stratadox\PuzzleSolver\Move. It seems like you code against a sub-type of Stratadox\PuzzleSolver\Move such as Stratadox\PuzzleSolver\P...\NQueens\QueenPlacement or Stratadox\PuzzleSolver\Puzzle\Sudoku\Entry.
                                                                                   (
                                     Ignorable by Annotation
                                )
                                

                                    
 If this is a false-positive, you can also ignore this issue in your code via the ignore-call   annotation

                                    

                                        

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            $board[1 + $queen->row()][2 + $queen->/** @scrutinizer ignore-call */ column() * 3] = 'Q';

                                        

                                                                            

                                

                                                                                                                                                                                                                                                                                        

                    
                                                    

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            Bug
    
    
    
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The method row() does not exist on Stratadox\PuzzleSolver\Move. It seems like you code against a sub-type of Stratadox\PuzzleSolver\Move such as Stratadox\PuzzleSolver\P...\NQueens\QueenPlacement or Stratadox\PuzzleSolver\Puzzle\Sudoku\Entry.
                                                                                   (
                                     Ignorable by Annotation
                                )
                                

                                    
 If this is a false-positive, you can also ignore this issue in your code via the ignore-call   annotation

                                    

                                        

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            $board[1 + $queen->/** @scrutinizer ignore-call */ row()][2 + $queen->column() * 3] = 'Q';

                                        

                                                                            

                                

                                                                                                                                                                                                                                                                                        

                    
                                                    

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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        return implode(PHP_EOL, $board);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function afterMaking(Move ...$moves): Puzzle

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return new self($this->board, $this->moves->add(...$moves));

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function isSolved(): bool

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->board->isSolvedWith(...$this->moves);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function movesSoFar(): Moves

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->moves;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function possibleMoves(): Moves

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->board->possibleMovesAfter(...$this->moves);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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