Split out Node and Blob from tree.go

blob.go

@@ -0,0 +1,41 @@
+package restic
+
+import (
+	"fmt"
+
+	"github.com/restic/restic/backend"
+)
+
+type Blob struct {
+	ID          backend.ID `json:"id,omitempty"`
+	Offset      uint64     `json:"offset,omitempty"`
+	Size        uint64     `json:"size,omitempty"`
+	Storage     backend.ID `json:"sid,omitempty"`   // encrypted ID
+	StorageSize uint64     `json:"ssize,omitempty"` // encrypted Size
+}
+
+type Blobs []Blob
+
+func (b Blob) Free() {
+	if b.ID != nil {
+		b.ID.Free()
+	}
+
+	if b.Storage != nil {
+		b.Storage.Free()
+	}
+}
+
+func (b Blob) Valid() bool {
+	if b.ID == nil || b.Storage == nil || b.StorageSize == 0 {
+		return false
+	}
+
+	return true
+}
+
+func (b Blob) String() string {
+	return fmt.Sprintf("Blob<%s -> %s>",
+		b.ID.Str(),
+		b.Storage.Str())
+}