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<?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 function macros like "{{#LLD}.func()}".
*/
class CLLDMacroFunctionParser extends CParser {
/**
* Parser for LLD macros.
*
* @var CLLDMacroParser
*/
private $lld_macro_parser;
/**
* Parser for trigger functions.
*
* @var C10FunctionParser
*/
private $function_parser;
/**
* Set up necessary parsers.
*/
public function __construct() {
$this->lld_macro_parser = new CLLDMacroParser();
$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] !== '{') {
return self::PARSE_FAIL;
}
$p++;
if ($this->lld_macro_parser->parse($source, $p) == CParser::PARSE_FAIL) {
return self::PARSE_FAIL;
}
$p += $this->lld_macro_parser->getLength();
if (!isset($source[$p]) || $source[$p] !== '.') {
return self::PARSE_FAIL;
}
$p++;
if ($this->function_parser->parse($source, $p) == CParser::PARSE_FAIL) {
return self::PARSE_FAIL;
}
$p += $this->function_parser->getLength();
if (!isset($source[$p]) || $source[$p] !== '}') {
return self::PARSE_FAIL;
}
$p++;
$this->length = $p - $pos;
$this->match = substr($source, $pos, $this->length);
return (isset($source[$pos + $this->length]) ? self::PARSE_SUCCESS_CONT : self::PARSE_SUCCESS);
}
}
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