<?php
namespace Symfony\Component\Finder;
class Gitignore
{
public static function toRegex(string $gitignoreFileContent): string
{
return self::buildRegex($gitignoreFileContent, false);
}
public static function toRegexMatchingNegatedPatterns(string $gitignoreFileContent): string
{
return self::buildRegex($gitignoreFileContent, true);
}
private static function buildRegex(string $gitignoreFileContent, bool $inverted): string
{
$gitignoreFileContent = preg_replace('~(?<!\\\\)#[^\n\r]*~', '', $gitignoreFileContent);
$gitignoreLines = preg_split('~\r\n?|\n~', $gitignoreFileContent);
$res = self::lineToRegex('');
foreach ($gitignoreLines as $line) {
$line = preg_replace('~(?<!\\\\)[ \t]+$~', '', $line);