object: Split files

1 files changed, 25 insertions, 0 deletions

diff --git a/object/parse_with_header.go b/object/parse_with_header.go
new file mode 100644
index 00000000..b2ddfff4
--- /dev/null
+++ b/object/parse_with_header.go
@@ -0,0 +1,25 @@
+package object
+
+import (
+	"fmt"
+
+	objectheader "codeberg.org/lindenii/furgit/object/header"
+	objectid "codeberg.org/lindenii/furgit/object/id"
+)
+
+// ParseObjectWithHeader parses a loose object in "type size\x00body" format.
+//
+//nolint:ireturn
+func ParseObjectWithHeader(raw []byte, algo objectid.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)
+}