Writer writes a single CSV record to w along with any necessary quoting. A record is a slice of strings with each string being one field.
(record []string)
| 48 | // Writer writes a single CSV record to w along with any necessary quoting. |
| 49 | // A record is a slice of strings with each string being one field. |
| 50 | func (w *Writer) Write(record []string) error { |
| 51 | if !validDelim(w.Comma) { |
| 52 | return errInvalidDelim |
| 53 | } |
| 54 | |
| 55 | for n, field := range record { |
| 56 | if n > 0 { |
| 57 | if _, err := w.w.WriteRune(w.Comma); err != nil { |
| 58 | return err |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | // If we don't have to have a quoted field then just |
| 63 | // write out the field and continue to the next field. |
| 64 | if !w.fieldNeedsQuotes(field) { |
| 65 | if _, err := w.w.WriteString(field); err != nil { |
| 66 | return err |
| 67 | } |
| 68 | continue |
| 69 | } |
| 70 | if err := w.w.WriteByte('"'); err != nil { |
| 71 | return err |
| 72 | } |
| 73 | |
| 74 | for _, r1 := range field { |
| 75 | var err error |
| 76 | switch r1 { |
| 77 | case '"': |
| 78 | _, err = w.w.WriteString(`""`) |
| 79 | case '\r': |
| 80 | if !w.UseCRLF { |
| 81 | err = w.w.WriteByte('\r') |
| 82 | } |
| 83 | case '\n': |
| 84 | if w.UseCRLF { |
| 85 | _, err = w.w.WriteString("\r\n") |
| 86 | } else { |
| 87 | err = w.w.WriteByte('\n') |
| 88 | } |
| 89 | default: |
| 90 | _, err = w.w.WriteRune(r1) |
| 91 | } |
| 92 | if err != nil { |
| 93 | return err |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | if err := w.w.WriteByte('"'); err != nil { |
| 98 | return err |
| 99 | } |
| 100 | } |
| 101 | var err error |
| 102 | if w.UseCRLF { |
| 103 | _, err = w.w.WriteString("\r\n") |
| 104 | } else { |
| 105 | err = w.w.WriteByte('\n') |
| 106 | } |
| 107 | return err |
no test coverage detected