func (v *csvTab) readRow(r *yacr.Reader) error {
v.cols = v.cols[:0]
for {
if !r.Scan() {
err := r.Err()
v.eof = err == nil
return err
}
if r.EndOfRecord() && len(r.Bytes()) == 0 { // skip empty line (or line comment)
continue
}
col := r.Text()
if len(col) >= v.maxLength {
return fmt.Errorf("CSV row is too long (>= %d)", v.maxLength)
}
v.cols = append(v.cols, col)
if len(v.cols) >= v.maxColumn {
return fmt.Errorf("too many columns (>= %d)", v.maxColumn)
}
if r.EndOfRecord() {
break
}
}
return nil
}
