/**
* @param string $source
* @param int $pos
*
* @return int
*/
public function parse($source, $pos = 0)
{
$this->length = 0;
$this->match = '';
$this->host = '';
$this->item = '';
$this->function = '';
$p = $pos;
if (!isset($source[$p]) || $source[$p] !== '{') {
return self::PARSE_FAIL;
}
$p++;
if (!$this->parseHost($source, $p)) {
return self::PARSE_FAIL;
}
if (!isset($source[$p]) || $source[$p] !== ':') {
return self::PARSE_FAIL;
}
$p++;
$p2 = $p;
if ($this->item_key_parser->parse($source, $p) == CParser::PARSE_FAIL) {
return self::PARSE_FAIL;
}
$p += $this->item_key_parser->getLength();
// for instance, agent.ping.last(0)
if ($this->item_key_parser->getParamsNum() == 0 && isset($source[$p]) && $source[$p] == '(') {
for (; $p > $p2 && $source[$p] != '.'; $p--) {
// Code is not missing here.
}
if ($p == $p2) {
return self::PARSE_FAIL;
}
}
$p3 = $p;
if (!isset($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);
$this->host = substr($source, $pos + 1, $p2 - $pos - 2);
$this->item = substr($source, $p2, $p3 - $p2);
$this->function = $this->function_parser->getMatch();
return isset($source[$pos + $this->length]) ? self::PARSE_SUCCESS_CONT : self::PARSE_SUCCESS;
}
