function read()

in Aliyun/Log/sls.proto.php [261:326]
65 lines of code
19 McCabe index (conditional complexity)

  function read($fp, &$limit = PHP_INT_MAX) {
    while(!feof($fp) && $limit > 0) {
      $tag = Protobuf::read_varint($fp, $limit);
      if ($tag === false) break;
      $wire  = $tag & 0x07;
      $field = $tag >> 3;
      //var_dump("LogGroup: Found $field type " . Protobuf::get_wiretype($wire) . " $limit bytes left");
      switch($field) {
        case 1:
          ASSERT('$wire == 2');
          $len = Protobuf::read_varint($fp, $limit);
          if ($len === false)
            throw new Exception('Protobuf::read_varint returned false');
          $limit-=$len;
          $this->logs_[] = new Log($fp, $len);
          ASSERT('$len == 0');
          break;
        case 2:
          ASSERT('$wire == 2');
          $len = Protobuf::read_varint($fp, $limit);
          if ($len === false)
            throw new Exception('Protobuf::read_varint returned false');
          if ($len > 0)
            $tmp = fread($fp, $len);
          else
            $tmp = '';
          if ($tmp === false)
            throw new Exception("fread($len) returned false");
          $this->category_ = $tmp;
          $limit-=$len;
          break;
        case 3:
          ASSERT('$wire == 2');
          $len = Protobuf::read_varint($fp, $limit);
          if ($len === false)
            throw new Exception('Protobuf::read_varint returned false');
          if ($len > 0)
            $tmp = fread($fp, $len);
          else
            $tmp = '';
          if ($tmp === false)
            throw new Exception("fread($len) returned false");
          $this->topic_ = $tmp;
          $limit-=$len;
          break;
        case 4:
          ASSERT('$wire == 2');
          $len = Protobuf::read_varint($fp, $limit);
          if ($len === false)
            throw new Exception('Protobuf::read_varint returned false');
          if ($len > 0)
            $tmp = fread($fp, $len);
          else
            $tmp = '';
          if ($tmp === false)
            throw new Exception("fread($len) returned false");
          $this->source_ = $tmp;
          $limit-=$len;
          break;
        default:
          $this->_unknown[$field . '-' . Protobuf::get_wiretype($wire)][] = Protobuf::read_field($fp, $wire, $limit);
      }
    }
    if (!$this->validateRequired())
      throw new Exception('Required fields are missing');
  }