GridValidator::blocksAreValid() - Code Metrics - coenmooij/sudoku - Measure and Improve Code Quality continuously with Scrutinizer

GridValidator::blocksAreValid() A
last analyzed 2018-10-08 11:33 UTC

↳ Parent: GridValidator

Complexity

Conditions	3
Paths	3

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	4
dl	0
loc	9
c	0
b	0
f	0
rs	10
cc	3
nc	3
nop	1

<?php

declare(strict_types=1);

namespace CoenMooij\Sudoku\Validator;

use CoenMooij\Sudoku\Puzzle\Grid;

class GridValidator
{
    public static function gridIsValid(Grid $grid): bool
    {
        return self::columnsAreValid($grid) && self::rowsAreValid($grid) && self::blocksAreValid($grid);
    }

    private static function rowsAreValid(Grid $grid): bool
    {
        for ($i = 0; $i < Grid::NUMBER_OF_ROWS; $i++) {
            $row = $grid->getRow($i);
            if (self::hasDuplicates($row)) {
                return false;
            }
        }

        return true;
    }

    private static function columnsAreValid(Grid $grid): bool
    {
        for ($i = 0; $i < Grid::NUMBER_OF_COLUMNS; $i++) {
            if (self::hasDuplicates($grid->getColumn($i))) {
                return false;
            }
        }

        return true;
    }

    private static function blocksAreValid(Grid $grid): bool
    {
        foreach ($grid->getBlocks() as $block) {
            if (self::hasDuplicates($block)) {
                return false;
            }
        }

        return true;
    }

    /**
     * @param int[] $values
     *
     * @return bool
     */
    private static function hasDuplicates(array $values): bool
    {
        $values = array_diff($values, [Grid::EMPTY_VALUE]);

        return count(array_count_values($values)) !== count($values);
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace CoenMooij\Sudoku\Validator;
6
7			use CoenMooij\Sudoku\Puzzle\Grid;
8
9			class GridValidator
10			{
11			public static function gridIsValid(Grid $grid): bool
12			{
13			return self::columnsAreValid($grid) && self::rowsAreValid($grid) && self::blocksAreValid($grid);
14			}
15
16			private static function rowsAreValid(Grid $grid): bool
17			{
18			for ($i = 0; $i < Grid::NUMBER_OF_ROWS; $i++) {
19			$row = $grid->getRow($i);
20			if (self::hasDuplicates($row)) {
21			return false;
22			}
23			}
24
25			return true;
26			}
27
28			private static function columnsAreValid(Grid $grid): bool
29			{
30			for ($i = 0; $i < Grid::NUMBER_OF_COLUMNS; $i++) {
31			if (self::hasDuplicates($grid->getColumn($i))) {
32			return false;
33			}
34			}
35
36			return true;
37			}
38
39			private static function blocksAreValid(Grid $grid): bool
40			{
41			foreach ($grid->getBlocks() as $block) {
42			if (self::hasDuplicates($block)) {
43			return false;
44			}
45			}
46
47			return true;
48			}
49
50			/**
51			* @param int[] $values
52			*
53			* @return bool
54			*/
55			private static function hasDuplicates(array $values): bool
56			{
57			$values = array_diff($values, [Grid::EMPTY_VALUE]);
58
59			return count(array_count_values($values)) !== count($values);
60			}
61			}
62

coenmooij / sudoku

GridValidator::blocksAreValid() A last analyzed 2018-10-08 11:33 UTC

Complexity

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GridValidator::blocksAreValid() A
last analyzed 2018-10-08 11:33 UTC