Zabbix

<?php

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 <https://www.gnu.org/licenses/>.

**/

​

​

/**

 * A parser for a list of time periods separated by a semicolon.

 */

class CTimePeriodsParser extends CParser {

​

    private $time_period_parser;

​

    private $periods = [];

    private $options = ['usermacros' => false];

​

    public function __construct($options = []) {

        if (array_key_exists('usermacros', $options)) {

            $this->options['usermacros'] = $options['usermacros'];

        }

​

        $this->time_period_parser = new CTimePeriodParser(['usermacros' => $this->options['usermacros']]);

    }

​

    /**

     * Parse the given periods separated by a semicolon.

     *

     * @param string $source  Source string that needs to be parsed.

     * @param int    $pos     Position offset.

     */

    public function parse($source, $pos = 0) {

        $this->length = 0;

        $this->match = '';

        $this->periods = [];

​

        $periods = [];

        $p = $pos;

        $offset = 0;

​

        while (isset($source[$p + $offset])) {

            if ($this->time_period_parser->parse($source, $p + $offset) == self::PARSE_FAIL) {

                break;

            }

            $p += $offset + $this->time_period_parser->getLength();

            $periods[] = $this->time_period_parser->getMatch();

​

            if (isset($source[$p]) && $source[$p] !== ';') {

                break;

            }

            $offset = 1;

        }

​

        if ($p == $pos || isset($source[$p])) {