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Current File : //home/silvzytp/dsr_code/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/AttributeEmulator.php

<?php declare(strict_types=1);

namespace PhpParser\Lexer\TokenEmulator;

use PhpParser\Lexer\Emulative;

final class AttributeEmulator extends TokenEmulator
{
    public function getPhpVersion(): string
    {
        return Emulative::PHP_8_0;
    }

    public function isEmulationNeeded(string $code) : bool
    {
        return strpos($code, '#[') !== false;
    }

    public function emulate(string $code, array $tokens): array
    {
        // We need to manually iterate and manage a count because we'll change
        // the tokens array on the way.
        $line = 1;
        for ($i = 0, $c = count($tokens); $i < $c; ++$i) {
            if ($tokens[$i] === '#' && isset($tokens[$i + 1]) && $tokens[$i + 1] === '[') {
                array_splice($tokens, $i, 2, [
                    [\T_ATTRIBUTE, '#[', $line]
                ]);
                $c--;
                continue;
            }
            if (\is_array($tokens[$i])) {
                $line += substr_count($tokens[$i][1], "\n");
            }
        }

        return $tokens;
    }

    public function reverseEmulate(string $code, array $tokens): array
    {
        // TODO
        return $tokens;
    }

    public function preprocessCode(string $code, array &$patches): string {
        $pos = 0;
        while (false !== $pos = strpos($code, '#[', $pos)) {
            // Replace #[ with %[
            $code[$pos] = '%';
            $patches[] = [$pos, 'replace', '#'];
            $pos += 2;
        }
        return $code;
    }
}

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