From b9bd6403d8188647182e6069b774c34d56e0b4ec Mon Sep 17 00:00:00 2001
From: Nick Bowler <nbowler@draconx.ca>
Date: Mon, 28 Mar 2011 22:20:40 -0400
Subject: [PATCH] upkg: Add support for exporting individual objects.

---
 src/upkg.c | 38 +++++++++++++++++++++++++++++++-------
 1 file changed, 31 insertions(+), 7 deletions(-)

diff --git a/src/upkg.c b/src/upkg.c
index d54a574..7c90533 100644
--- a/src/upkg.c
+++ b/src/upkg.c
@@ -316,10 +316,6 @@ static int export(GTypeModule *pkg, GObject *obj, unsigned idx)
 	FILE *of;
 	int rc;
 
-	if (u_object_deserialize(obj, upkg, idx) != 0) {
-		return -1;
-	}
-
 	if (U_OBJECT_IS_LOADABLE(obj) && u_object_load(obj) != 0) {
 		return -1;
 	}
@@ -356,6 +352,29 @@ static int export(GTypeModule *pkg, GObject *obj, unsigned idx)
 	return 0;
 }
 
+static int object_export(GTypeModule *pkg, unsigned long idx)
+{
+	struct upkg *upkg = U_PKG(pkg)->pkg;
+	GObject *obj;
+	int ret = -1;
+
+	obj = u_object_new_from_package(upkg, idx);
+	if (!obj) {
+		fprintf(stderr, "%s: failed to load object.\n", progname);
+		return -1;
+	}
+
+	if (!U_OBJECT_IS_EXPORTABLE(obj)) {
+		fprintf(stderr, "%s: object is not exportable.\n", progname);
+		goto out;
+	}
+
+	ret = export(pkg, obj, idx);
+out:
+	g_object_unref(obj);
+	return ret;
+}
+
 int package_export(GTypeModule *pkg)
 {
 	struct upkg *upkg = U_PKG(pkg)->pkg;
@@ -372,11 +391,13 @@ int package_export(GTypeModule *pkg)
 		}
 
 		type = u_object_module_get_class(package, class);
-		if (!type) continue;
+		if (!type)
+			continue;
 
 		obj = g_object_new(type, NULL);
 		if (U_OBJECT_IS_EXPORTABLE(obj)) {
-			if (export(pkg, obj, i) != 0) {
+			if (u_object_deserialize(obj, upkg, i) != 0
+			    || export(pkg, obj, i) != 0) {
 				ret = -1;
 			}
 		}
@@ -447,7 +468,10 @@ static int process_object(int mode, const char *objname)
 		ret = package_list(pkg, current+1);
 		break;
 	case MODE_EXPORT:
-		ret = package_export(pkg);
+		if (current < 0)
+			ret = package_export(pkg);
+		else
+			ret = object_export(pkg, current);
 		break;
 	default:
 		abort();
-- 
2.43.0