Prepare for delta encoding

1 files changed, 32 insertions, 0 deletions

diff --git a/delta.go b/delta.go
new file mode 100644
index 0000000..423fb07
--- /dev/null
+++ b/delta.go
@@ -0,0 +1,32 @@
+package main
+
+import (
+	"io"
+
+	"github.com/gabstv/go-bsdiff/pkg/bsdiff"
+	"github.com/gabstv/go-bsdiff/pkg/bspatch"
+)
+
+type DeltaCodec interface {
+	Differ
+	Patcher
+}
+
+type Differ interface {
+	Diff(source io.Reader, target io.Reader, patch io.Writer) error
+}
+
+type Patcher interface {
+	Patch(source io.Reader, target io.Writer, patch io.Reader) error
+}
+
+// TODO: maybe move this in it own file ?
+type Bsdiff struct{}
+
+func (*Bsdiff) Diff(source io.Reader, target io.Reader, patch io.Writer) error {
+	return bsdiff.Reader(source, target, patch)
+}
+
+func (*Bsdiff) Patch(source io.Reader, target io.Writer, patch io.Reader) error {
+	return bspatch.Reader(source, target, patch)
+}