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 converted for converting 1.8 trigger expressions.

 */

class C10TriggerConverter extends CConverter {

​

    /**

     * A parser for function macros.

     *

     * @var C10FunctionMacroParser

     */

    protected $function_macro_parser;

​

    /**

     * Converted used to convert simple check item keys.

     *

     * @var CConverter

     */

    protected $itemKeyConverter;

​

    public function __construct() {

        $this->function_macro_parser = new C10FunctionMacroParser(['18_simple_checks' => true]);

        $this->itemKeyConverter = new C10ItemKeyConverter();

    }

​

    /**

     * Converts simple check item keys used in trigger expressions.

     *

     * @param string $expression

     *

     * @return string

     */

    public function convert($expression) {

        $new_expression = '';

​

        for ($pos = 0; isset($expression[$pos]); $pos++) {

            if ($this->function_macro_parser->parse($expression, $pos) != CParser::PARSE_FAIL) {

                $new_expression .= '{'.

                    $this->function_macro_parser->getHost().':'.

                    $this->itemKeyConverter->convert($this->function_macro_parser->getItem()).'.'.

                    $this->function_macro_parser->getFunction().

                '}';

​

                $pos += $this->function_macro_parser->getLength() - 1;

            }

            else {

                $new_expression .= $expression[$pos];

            }