// SetEncodedObject adds a new object to the storage.
func (s *ObjectStorage) SetEncodedObject(o plumbing.EncodedObject) (plumbing.Hash, error) {
if o.Type() == plumbing.OFSDeltaObject || o.Type() == plumbing.REFDeltaObject {
return plumbing.ZeroHash, plumbing.ErrInvalidType
}
ow, err := s.dir.NewObject()
if err != nil {
return plumbing.ZeroHash, err
}
defer ow.Close()
or, err := o.Reader()
if err != nil {
return plumbing.ZeroHash, err
}
defer or.Close()
if err := ow.WriteHeader(o.Type(), o.Size()); err != nil {
return plumbing.ZeroHash, err
}
if _, err := io.Copy(ow, or); err != nil {
return plumbing.ZeroHash, err
}
return o.Hash(), nil
}
// Decode transform an plumbing.EncodedObject into a Tree struct
func (t *Tree) Decode(o plumbing.EncodedObject) (err error) {
if o.Type() != plumbing.TreeObject {
return ErrUnsupportedObject
}
t.Hash = o.Hash()
if o.Size() == 0 {
return nil
}
t.Entries = nil
t.m = nil
reader, err := o.Reader()
if err != nil {
return err
}
defer ioutil.CheckClose(reader, &err)
r := bufio.NewReader(reader)
for {
mode, err := r.ReadString(' ')
if err != nil {
if err == io.EOF {
break
}
return err
}
fm, err := t.decodeFileMode(mode[:len(mode)-1])
if err != nil && err != io.EOF {
return err
}
name, err := r.ReadString(0)
if err != nil && err != io.EOF {
return err
}
var hash plumbing.Hash
if _, err = io.ReadFull(r, hash[:]); err != nil {
return err
}
baseName := name[:len(name)-1]
t.Entries = append(t.Entries, TreeEntry{
Hash: hash,
Mode: fm,
Name: baseName,
})
}
return nil
}
// Decode transforms a plumbing.EncodedObject into a Blob struct.
func (b *Blob) Decode(o plumbing.EncodedObject) error {
if o.Type() != plumbing.BlobObject {
return ErrUnsupportedObject
}
b.Hash = o.Hash()
b.Size = o.Size()
b.obj = o
return nil
}
