public function eval_syntax($str, $version)
{
if (is_null(self::$started)) {
self::$started = microtime(true);
}
$this->version = $version;
$str = str_replace(array("\r\n", "\r"), array("\n", "\n"), $str);
if ($version == 1) {
//replace comments
$str = preg_replace('#\\/\\*.+?\\*\\/#s', '', $str);
//merge multiline strings
if (preg_match_all('#\\{\\{(.+?)\\}\\}#s', $str, $matches) && is_array($matches[0]) && sizeof($matches[0]) > 0) {
foreach ($matches[0] as $key => $val) {
$str = str_replace($val, str_replace("\n", '\\n', $matches[1][$key]), $str);
}
}
$result = array();
$this->cmd_list = explode("\n", $str);
if (!isset($this->cmd_list[1])) {
$this->cmd_list = explode("[br]", $str);
}
$this->build_indexes();
while (list($key, $line) = each($this->cmd_list)) {
if (self::$started + self::XT_SYNTAX_TIMEOUT < microtime(true)) {
return 'XtScript Error: Timeout.';
}
$line = trim(trim($line), ';');
if (!empty($line) && strpos($line, '#') !== 0) {
//replace back newlines
$line = str_replace('\\n', "\n", $line);
$splited = explode(' ', $line, 2);
$cmd = strtolower($splited[0]);
$args = array();
if ($cmd == 'assign' || $cmd == 'var') {
$args = explode('=', $splited[1], 2);
} elseif ($cmd == 'include') {
$args = explode(',', $splited[1]);
$args = array_map('trim', $args);
} elseif ($cmd == 'call' || $cmd == 'function') {
$splited = explode(' ', $splited[1], 2);
$function = $splited[0];
if (!isset($splited[1])) {
$aargs = array();
} else {
$aargs = explode(';', $splited[1]);
}
$args = array($function);
if (sizeof($aargs) > 0) {
foreach ($aargs as $aarg) {
$aarg = trim($aarg);
$tmp = explode('=', $aarg, 2);
$args[$tmp[0]] = common::get_param($tmp[1], '');
}
}
} elseif (isset($splited[1])) {
$args = $splited[1];
}
$result[] = $this->eval_cmd($cmd, $args);
}
}
return implode('', $result);
}
return '';
}
