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<?php
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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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use SebastianBergmann\Diff\Differ;
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/**
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 * ...
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 */
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class PHPUnit_Framework_Constraint_StringMatches extends PHPUnit_Framework_Constraint_PCREMatch
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{
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    /**
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     * @var string
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     */
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    protected $string;
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    /**
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     * @param string $string
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     */
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    public function __construct($string)
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    {
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        parent::__construct($string);
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        $this->pattern = $this->createPatternFromFormat(
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            preg_replace('/\r\n/', "\n", $string)
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        );
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        $this->string = $string;
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    }
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    protected function failureDescription($other)
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    {
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        return 'format description matches text';
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    }
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    protected function additionalFailureDescription($other)
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    {
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        $from = preg_split('(\r\n|\r|\n)', $this->string);
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        $to   = preg_split('(\r\n|\r|\n)', $other);
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        foreach ($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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        $differ = new Differ("--- Expected\n+++ Actual\n");
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        return $differ->diff($this->string, $other);
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    }
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    protected function createPatternFromFormat($string)
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    {
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        $string = str_replace(
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            [
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            '%e',
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            '%s',
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            '%S',
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            '%a',
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            '%A',
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            '%w',
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            '%i',
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            '%d',
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            '%x',
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            '%f',
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            '%c'
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            ],
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            [
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            '\\' . DIRECTORY_SEPARATOR,
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            '[^\r\n]+',
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            '[^\r\n]*',
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            '.+',
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            '.*',
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            '\s*',
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            '[+-]?\d+',
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            '\d+',
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            '[0-9a-fA-F]+',
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            '[+-]?\.?\d+\.?\d*(?:[Ee][+-]?\d+)?',
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            '.'
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            ],
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            preg_quote($string, '/')
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        );
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        return '/^' . $string . '$/s';
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    }
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}