<?php
/**
 *
 * SugarCRM Community Edition is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
 *
 * SuiteCRM is an extension to SugarCRM Community Edition developed by SalesAgility Ltd.
 * Copyright (C) 2011 - 2021 SalesAgility Ltd.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * 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 Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo and "Supercharged by SuiteCRM" logo. If the display of the logos is not
 * reasonably feasible for technical reasons, the Appropriate Legal Notices must
 * display the words "Powered by SugarCRM" and "Supercharged by SuiteCRM".
 */

namespace SuiteCRM;

if (!defined('sugarEntry') || !sugarEntry) {
    die('Not A Valid Entry Point');
}

/**
 * Class CleanCSV
 * @package SuiteCRM
 */
class CleanCSV
{
    /**
     * @var string
     */
    protected $escapeChar;

    /**
     * @var array|string[]
     */
    protected $startingChars;

    /**
     * CleanCSV constructor.
     * @param string $escapeChar character to escape each CSV field.
     * @param array|string[] $startingChars starting characters to be escaped.
     */
    public function __construct($escapeChar = "'", array $startingChars = ['=', '-', '+', '@'])
    {
        $this->escapeChar = $escapeChar;
        $this->startingChars = $startingChars;
    }

    /**
     * @return array|string[]
     */
    public function getStartingChars()
    {
        return $this->startingChars;
    }

    /**
     * @return string
     */
    public function getEscapeChar()
    {
        return $this->escapeChar;
    }

    /**
     * @param string $cell
     * @return string
     */
    public function escapeField($cell)
    {
        if (!is_string($cell) || empty($cell)) {
            return $cell;
        }

        if (in_array($cell[0], $this->startingChars, true)) {
            return $this->escapeChar . $cell;
        }

        return $cell;
    }
}