// Write a single sequence and return the number of bytes written and any error.
func (w *Writer) Write(s seq.Sequence) (n int, err error) {
var (
_n int
enc alphabet.Encoding
)
if e, ok := s.(Encoder); ok {
enc = e.Encoding()
} else {
enc = alphabet.Sanger
}
n, err = w.writeHeader('@', s)
if err != nil {
return
}
for i := 0; i < s.Len(); i++ {
_n, err = w.w.Write([]byte{byte(s.At(i).L)})
if n += _n; err != nil {
return
}
}
_n, err = w.w.Write([]byte{'\n'})
if n += _n; err != nil {
return
}
if w.QID {
_n, err = w.writeHeader('+', s)
if n += _n; err != nil {
return
}
} else {
_n, err = w.w.Write([]byte("+\n"))
if n += _n; err != nil {
return
}
}
for i := 0; i < s.Len(); i++ {
_n, err = w.w.Write([]byte{s.At(i).Q.Encode(enc)})
if n += _n; err != nil {
return
}
}
_n, err = w.w.Write([]byte{'\n'})
if n += _n; err != nil {
return
}
return
}
// Write a single sequence and return the number of bytes written and any error.
func (w *Writer) Write(s seq.Sequence) (n int, err error) {
var (
_n int
prefix = append([]byte{'\n'}, w.SeqPrefix...)
)
id, desc := s.Name(), s.Description()
header := make([]byte, 0, len(w.IDPrefix)+len(id)+len(desc)+1)
header = append(header, w.IDPrefix...)
header = append(header, id...)
if len(desc) > 0 {
header = append(header, ' ')
header = append(header, desc...)
}
n, err = w.w.Write(header)
if err != nil {
return n, err
}
for i := 0; i < s.Len(); i++ {
if i%w.Width == 0 {
_n, err = w.w.Write(prefix)
if n += _n; err != nil {
return n, err
}
}
_n, err = w.w.Write([]byte{byte(s.At(i).L)})
if n += _n; err != nil {
return n, err
}
}
_n, err = w.w.Write([]byte{'\n'})
if n += _n; err != nil {
return n, err
}
return n, nil
}