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<?php declare(strict_types=1);
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/*
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 * This file is part of PHPUnit.
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 *
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 * (c) Sebastian Bergmann <sebastian@phpunit.de>
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 *
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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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namespace PHPUnit\Framework\Constraint;
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use const DIRECTORY_SEPARATOR;
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use function explode;
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use function implode;
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use function preg_match;
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use function preg_quote;
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use function preg_replace;
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use function strtr;
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use SebastianBergmann\Diff\Differ;
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use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder;
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/**
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 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
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 */
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final class StringMatchesFormatDescription extends RegularExpression
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{
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    /**
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     * @var string
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     */
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    private $string;
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    public function __construct(string $string)
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    {
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        parent::__construct(
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            $this->createPatternFromFormat(
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                $this->convertNewlines($string)
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            )
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        );
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        $this->string = $string;
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    }
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    /**
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     * Evaluates the constraint for parameter $other. Returns true if the
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     * constraint is met, false otherwise.
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     *
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     * @param mixed $other value or object to evaluate
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     */
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    protected function matches($other): bool
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    {
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        return parent::matches(
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            $this->convertNewlines($other)
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        );
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    }
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    protected function failureDescription($other): string
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    {
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        return 'string matches format description';
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    }
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    protected function additionalFailureDescription($other): string
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    {
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        $from = explode("\n", $this->string);
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        $to   = explode("\n", $this->convertNewlines($other));
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        foreach ($from as $index => $line) {
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            if (isset($to[$index]) && $line !== $to[$index]) {
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                $line = $this->createPatternFromFormat($line);
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                if (preg_match($line, $to[$index]) > 0) {
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                    $from[$index] = $to[$index];
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                }
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            }
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        }
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        $this->string = implode("\n", $from);
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        $other        = implode("\n", $to);
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        return (new Differ(new UnifiedDiffOutputBuilder("--- Expected\n+++ Actual\n")))->diff($this->string, $other);
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    }
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    private function createPatternFromFormat(string $string): string
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    {
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        $string = strtr(
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            preg_quote($string, '/'),
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            [
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                '%%' => '%',
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                '%e' => '\\' . DIRECTORY_SEPARATOR,
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                '%s' => '[^\r\n]+',
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                '%S' => '[^\r\n]*',
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                '%a' => '.+',
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                '%A' => '.*',
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                '%w' => '\s*',
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                '%i' => '[+-]?\d+',
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                '%d' => '\d+',
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                '%x' => '[0-9a-fA-F]+',
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                '%f' => '[+-]?\.?\d+\.?\d*(?:[Ee][+-]?\d+)?',
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                '%c' => '.',
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            ]
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        );
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        return '/^' . $string . '$/s';
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    }
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    private function convertNewlines(string $text): string
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    {
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        return preg_replace('/\r\n/', "\n", $text);
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    }
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}