CustomTextEscaping.php

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<?php
/*
 SPDX-FileCopyrightText: © 2026 Fossology contributors
 
 SPDX-License-Identifier: GPL-2.0-only
*/
 
namespace Fossology\Lib\Application;
 
class CustomTextEscaping
{
  public static function escapeNewlines($value)
  {
    if ($value === null) {
      return '';
    }
    $value = str_replace('\\', '\\\\', (string) $value);
    return str_replace(array("\r\n", "\r", "\n"), '\\n', $value);
  }
 
  public static function unescapeNewlines($value)
  {
    if ($value === null) {
      return '';
    }
    return preg_replace_callback('/\\\\(.)/', function ($m) {
      return $m[1] === 'n' ? "\n" : $m[1];
    }, (string) $value);
  }
}