Zabbix

<?php

/*

** Zabbix

** Copyright (C) 2001-2022 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 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 General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

​

/**

 *  A parser for function macros like "{{ITEM.VALUE}.func()}".

 */

class CMacroFunctionParser extends CParser {

​

    /**

     * Parser for generic macros.

     *

     * @var CMacroParser

     */

    private $macro_parser;

​

    /**

     * Parser for trigger functions.

     *

     * @var C10FunctionParser

     */

    private $function_parser;

​

    /**

     * @param array      $options             Parser options.

     * @param array|bool $options['macros']   The list of macros, for example ['{ITEM.VALUE}', '{ITEM.LASTVALUE}']

     * @param int        $options['ref_type'] Reference options.

     */

    public function __construct(array $options) {

        $this->macro_parser = new CMacroParser($options);

        $this->function_parser = new C10FunctionParser();

    }

​

    /**

     * @param string $source

     * @param int    $pos

     *

     * @return int

     */

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

        $this->length = 0;

        $this->match = '';

​

        $p = $pos;

​

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