refactor: logparser v5 to pkgs

logparser/v5/pipe/textlog.go

@@ -0,0 +1,44 @@
+// For more tutorials: https://bp.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package pipe
+
+import (
+	"bufio"
+	"io"
+)
+
+// TextLog parses text based log lines.
+type TextLog struct {
+	reader io.Reader
+}
+
+// NewTextLog creates a text parser.
+func NewTextLog(r io.Reader) *TextLog {
+	return &TextLog{reader: r}
+}
+
+// Each yields records from a text log.
+func (p *TextLog) Each(yield func(Record) error) error {
+	defer readClose(p.reader)
+
+	in := bufio.NewScanner(p.reader)
+
+	for in.Scan() {
+		r := new(Record)
+
+		if err := r.UnmarshalText(in.Bytes()); err != nil {
+			return err
+		}
+
+		if err := yield(*r); err != nil {
+			return err
+		}
+	}
+
+	return in.Err()
+}