initial import

core/filex/progressscanner.go

@@ -0,0 +1,28 @@
+package filex
+
+import "gopkg.in/cheggaaa/pb.v1"
+
+type (
+	Scanner interface {
+		Scan() bool
+		Text() string
+	}
+
+	progressScanner struct {
+		Scanner
+		bar *pb.ProgressBar
+	}
+)
+
+func NewProgressScanner(scanner Scanner, bar *pb.ProgressBar) Scanner {
+	return &progressScanner{
+		Scanner: scanner,
+		bar:     bar,
+	}
+}
+
+func (ps *progressScanner) Text() string {
+	s := ps.Scanner.Text()
+	ps.bar.Add64(int64(len(s)) + 1) // take newlines into account
+	return s
+}