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88 lines
2.2 KiB
88 lines
2.2 KiB
<?php
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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/**
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* A parser for a list of time periods separated by a semicolon.
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*/
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class CTimePeriodsParser extends CParser {
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private $time_period_parser;
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private $periods = [];
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private $options = ['usermacros' => false];
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public function __construct($options = []) {
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if (array_key_exists('usermacros', $options)) {
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$this->options['usermacros'] = $options['usermacros'];
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}
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$this->time_period_parser = new CTimePeriodParser(['usermacros' => $this->options['usermacros']]);
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}
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/**
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* Parse the given periods separated by a semicolon.
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*
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* @param string $source Source string that needs to be parsed.
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* @param int $pos Position offset.
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*/
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public function parse($source, $pos = 0) {
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$this->length = 0;
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$this->match = '';
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$this->periods = [];
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$periods = [];
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$p = $pos;
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$offset = 0;
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while (isset($source[$p + $offset])) {
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if ($this->time_period_parser->parse($source, $p + $offset) == self::PARSE_FAIL) {
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break;
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}
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$p += $offset + $this->time_period_parser->getLength();
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$periods[] = $this->time_period_parser->getMatch();
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if (isset($source[$p]) && $source[$p] !== ';') {
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break;
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}
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$offset = 1;
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}
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if ($p == $pos || isset($source[$p])) {
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return self::PARSE_FAIL;
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}
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$this->length = $p - $pos;
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$this->match = substr($source, $pos, $this->length);
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$this->periods = $periods;
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return self::PARSE_SUCCESS;
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}
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/**
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* Retrieve the time periods.
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*
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* @return array
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*/
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public function getPeriods() {
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return $this->periods;
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}
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}
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