formats: objfile idomatic reader/writer

1 files changed, 0 insertions, 79 deletions

diff --git a/formats/objfile/common.go b/formats/objfile/common.go
deleted file mode 100644
index 839f92c..0000000
--- a/formats/objfile/common.go
+++ /dev/null
@@ -1,79 +0,0 @@
-package objfile
-
-import (
-	"errors"
-	"io"
-	"strconv"
-
-	"gopkg.in/src-d/go-git.v4/core"
-)
-
-var (
-	// ErrClosed is returned when the objfile Reader or Writer is already closed.
-	ErrClosed = errors.New("objfile: already closed")
-	// ErrHeader is returned when the objfile has an invalid header.
-	ErrHeader = errors.New("objfile: invalid header")
-	// ErrNegativeSize is returned when a negative object size is declared.
-	ErrNegativeSize = errors.New("objfile: negative object size")
-)
-
-type header struct {
-	t    core.ObjectType
-	size int64
-}
-
-func (h *header) Read(r io.Reader) error {
-	t, err := h.readSlice(r, ' ')
-	if err != nil {
-		return err
-	}
-
-	h.t, err = core.ParseObjectType(string(t))
-	if err != nil {
-		return err
-	}
-
-	size, err := h.readSlice(r, 0)
-	if err != nil {
-		return err
-	}
-
-	h.size, err = strconv.ParseInt(string(size), 10, 64)
-	if err != nil {
-		return ErrHeader
-	}
-
-	if h.size < 0 {
-		return ErrNegativeSize
-	}
-
-	return nil
-}
-
-func (h *header) Write(w io.Writer) error {
-	b := h.t.Bytes()
-	b = append(b, ' ')
-	b = append(b, []byte(strconv.FormatInt(h.size, 10))...)
-	b = append(b, 0)
-	_, err := w.Write(b)
-	return err
-}
-
-// readSlice reads one byte at a time from r until it encounters delim or an
-// error.
-func (h *header) readSlice(r io.Reader, delim byte) ([]byte, error) {
-	var buf [1]byte
-	value := make([]byte, 0, 16)
-	for {
-		if n, err := r.Read(buf[:]); err != nil && (err != io.EOF || n == 0) {
-			if err == io.EOF {
-				return nil, ErrHeader
-			}
-			return nil, err
-		}
-		if buf[0] == delim {
-			return value, nil
-		}
-		value = append(value, buf[0])
-	}
-}