Initial import

recorder/recorder.go

@@ -0,0 +1,68 @@
+package recorder
+
+import (
+	"errors"
+	"io"
+	"os"
+)
+
+type Format int
+
+const (
+	Text Format = iota
+	TTYRec
+	ASCIICastv3
+)
+
+var (
+	ErrFormat = errors.New("recorder: unknown format")
+)
+
+type Recorder interface {
+	Reads() io.WriteCloser
+	Writes() io.WriteCloser
+}
+
+type Resizer interface {
+	Resize(columns, rows int)
+}
+
+type Info struct {
+	Columns      int
+	Rows         int
+	TerminalType string
+	Title        string
+	Env          map[string]string
+}
+
+func New(name string, format Format, info Info) (Recorder, error) {
+	f, err := os.OpenFile(name, os.O_CREATE|os.O_WRONLY, 0o640)
+	if err != nil {
+		return nil, err
+	}
+	return NewWriter(f, format, info)
+}
+
+func NewWriter(wc io.WriteCloser, format Format, info Info) (Recorder, error) {
+	switch format {
+	case Text:
+		return textRecorder{wc}, nil
+
+	case ASCIICastv3:
+		return newAsciiCastRecorder(wc, info)
+
+	case TTYRec:
+		return newTTYRecRecorder(wc), nil
+
+	default:
+		return nil, ErrFormat
+	}
+}
+
+type nopCloser struct {
+	io.Writer
+}
+
+func (nopCloser) Close() error {
+	return nil
+}