ref: 5797711751b1da63648ecf3e597d7418b256d5c8
parent: 6cf63c5de9bb7f894d752caf72ab8326ac0c25da
author: Runxi Yu <me@runxiyu.org>
date: Fri Feb 20 17:41:11 EST 2026
object: Add general parse function
--- /dev/null
+++ b/object/parse.go
@@ -1,0 +1,40 @@
+package object
+
+import (
+ "fmt"
+
+ "codeberg.org/lindenii/furgit/internal/objectheader"
+ "codeberg.org/lindenii/furgit/objecttype"
+ "codeberg.org/lindenii/furgit/oid"
+)
+
+// ParseObjectWithoutHeader parses a typed object body.
+func ParseObjectWithoutHeader(ty objecttype.Type, body []byte, algo oid.Algorithm) (Object, error) {+ switch ty {+ case objecttype.TypeBlob:
+ return ParseBlob(body)
+ case objecttype.TypeTree:
+ return ParseTree(body, algo)
+ case objecttype.TypeCommit:
+ return ParseCommit(body, algo)
+ case objecttype.TypeTag:
+ return ParseTag(body, algo)
+ default:
+ return nil, fmt.Errorf("object: unsupported object type %d", ty)+ }
+}
+
+// ParseObjectWithHeader parses a loose object in "type size\\x00body" format.
+func ParseObjectWithHeader(raw []byte, algo oid.Algorithm) (Object, error) {+ ty, size, headerLen, ok := objectheader.Parse(raw)
+ if !ok {+ return nil, fmt.Errorf("object: malformed object header")+ }
+
+ body := raw[headerLen:]
+ if int64(len(body)) != size {+ return nil, fmt.Errorf("object: size mismatch: header says %d bytes, body has %d", size, len(body))+ }
+
+ return ParseObjectWithoutHeader(ty, body, algo)
+}
--
⑨