1 files changed, 83 insertions, 0 deletions
diff --git a/object.go b/object.go
new file mode 100644
index 0000000..090be1f
--- /dev/null
+++ b/object.go
@@ -0,0 +1,83 @@
+package git
+
+/*
+#include <git2.h>
+#include <git2/errors.h>
+*/
+import "C"
+import "runtime"
+
+type ObjectType int
+
+const (
+	ObjectAny ObjectType = C.GIT_OBJ_ANY
+	ObjectBad            = C.GIT_OBJ_BAD
+	ObjectCommit         = C.GIT_OBJ_COMMIT
+	ObjectTree           = C.GIT_OBJ_TREE
+	ObjectBlob           = C.GIT_OBJ_BLOB
+	ObjectTag            = C.GIT_OBJ_TAG
+)
+
+type Object interface {
+	Free()
+	Id() *Oid
+	Type() ObjectType
+}
+
+type gitObject struct {
+	ptr *C.git_object
+}
+
+func (t ObjectType) String() (string) {
+	switch (t) {
+	case ObjectAny:
+		return "Any"
+	case ObjectBad:
+		return "Bad"
+	case ObjectCommit:
+		return "Commit"
+	case ObjectTree:
+		return "Tree"
+	case ObjectBlob:
+		return "Blob"
+	case ObjectTag:
+		return "Tag"
+	}
+	// Never reached
+	return ""
+}
+
+func (o gitObject) Id() *Oid {
+	return newOidFromC(C.git_commit_id(o.ptr))
+}
+
+func (o gitObject) Type() ObjectType {
+	return ObjectType(C.git_object_type(o.ptr))
+}
+
+func (o *gitObject) Free() {
+	runtime.SetFinalizer(o, nil)
+	C.git_commit_free(o.ptr)
+}
+
+func allocObject(cobj *C.git_object) Object {
+
+	switch ObjectType(C.git_object_type(cobj)) {
+	case ObjectCommit:
+		commit := &Commit{gitObject{cobj}}
+		runtime.SetFinalizer(commit, (*Commit).Free)
+		return commit
+
+	case ObjectTree:
+		tree := &Tree{gitObject{cobj}}
+		runtime.SetFinalizer(tree, (*Tree).Free)
+		return tree
+
+	case ObjectBlob:
+		blob := &Blob{gitObject{cobj}}
+		runtime.SetFinalizer(blob, (*Blob).Free)
+		return blob
+	}
+
+	return nil
+}