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<?php
/*
** Zabbix
** Copyright (C) 2001-2023 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.
**/
/**
* Validate only trigger event name field expression macros, other macros will be ignored.
*/
class CEventNameValidator extends CValidator {
/**
* Returns true if the given $value is valid, or set's an error and returns false otherwise.
*
* @param $value
*
* @return bool
*/
public function validate($value) {
$p = 0;
$expr_macro = new CExpressionMacroParser([
'usermacros' => true,
'lldmacros' => true,
'host_macro_n' => true,
'empty_host' => true
]);
$expr_func_macro = new CExpressionMacroFunctionParser();
while (isset($value[$p])) {
if (substr($value, $p, 2) !== '{?') {
$p++;
continue;
}
if ($expr_func_macro->parse($value, $p) === CParser::PARSE_FAIL) {
if ($expr_macro->parse($value, $p) === CParser::PARSE_FAIL) {
$this->setError($expr_macro->getError());
return false;
}
else {
$p += $expr_macro->getLength();
}
}
else {
$p += $expr_func_macro->getLength();
}
}
return true;
}
}
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