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/>.

**/

​

​

class CUserMacroParser extends CParser {

​

    const STATE_NEW = 0;

    const STATE_END = 1;

    const STATE_UNQUOTED = 2;

    const STATE_QUOTED = 3;

    const STATE_END_OF_MACRO = 4;

    public const REGEX_PREFIX = 'regex:';

​

    private $macro = '';

    private $context = null;

    private $context_quoted = false;

    private $regex = null;

​

    /**

     * An options array.

     *

     * Supported options:

     *   'allow_regex' => false  Enable "regex:" context prefix. This prefix should be accessible in the user macro

     *                           configuration places (global-, template- and host-level macros) only.

     *

     * @var array

     */

    private $options = [

        'allow_regex' => false

    ];

​

    /**

     * @param array $options

     */

    public function __construct(array $options = []) {

        $this->options = $options + $this->options;

​

        $this->error_msgs['empty'] = _('macro is empty');

        $this->error_msgs['unexpected_end'] = _('unexpected end of macro');

    }

​

    /**

     * @inheritDoc

     */

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

        $this->length = 0;

        $this->match = '';

        $this->macro = '';

        $this->context = null;

        $this->context_quoted = false;

        $this->errorClear();