Smalot\PdfParser\RawData\DataHelper

Complexity

Total Complexity

2

Size/Duplication

Total Lines	18
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	decodeRef()	0	8	2

<?php

/**
 * This file is based on code of tecnickcom/TCPDF PDF library.
 *
 * Original author Nicola Asuni (info@tecnick.com) and
 * contributors (https://github.com/tecnickcom/TCPDF/graphs/contributors).
 *
 * @see https://github.com/tecnickcom/TCPDF
 *
 * Original code was licensed on the terms of the LGPL v3.
 *
 * ------------------------------------------------------------------------------
 *
 * @file This file is part of the PdfParser library.
 *
 * @author  Alastair Irvine <alastair@plug.org.au>
 *
 * @date    2024-01-12
 *
 * @license LGPLv3
 *
 * @url     <https://github.com/smalot/pdfparser>
 *
 *  PdfParser is a pdf library written in PHP, extraction oriented.
 *  Copyright (C) 2017 - Sébastien MALOT <sebastien@malot.fr>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program.
 *  If not, see <http://www.pdfparser.org/sites/default/LICENSE.txt>.
 */

namespace Smalot\PdfParser\RawData;

class DataHelper
{
    /*
     * Decode a string of the form "15_0" into an array.
     *
     * @param string $objRef    The object ID
     * @return array object number and generation
     *
     * @throws \Exception if @p $objRef is invalid
     */
    public static function decodeRef(string $objRef): array
    {
        $objRefArr = \explode('_', $objRef);
        if (2 !== \count($objRefArr)) {
            throw new \Exception('Invalid object reference for $obj.');
        }

        return $objRefArr;
    }
}