Subversion-Projekte lars-tiefland.laravel_shop

<?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;

    }

}