From: Nick Bowler <nbowler@draconx.ca>
Date: Tue, 22 Mar 2011 00:11:55 +0000 (-0400)
Subject: uobject: Add a helper function to load objects from packages.
X-Git-Url: https://git.draconx.ca/gitweb/upkg.git/commitdiff_plain/559bcf15ef66d20d7e8527c690c0b4e5a66b6381?hp=bb5f99272ae78a2ddc07e0a54025baab39d84c49

uobject: Add a helper function to load objects from packages.
---

diff --git a/src/uobject/uobject.c b/src/uobject/uobject.c
index 581ac07..7b0a79e 100644
--- a/src/uobject/uobject.c
+++ b/src/uobject/uobject.c
@@ -23,6 +23,7 @@
 #include <glib-object.h>
 
 #include <uobject/uobject.h>
+#include <uobject/module.h>
 #include "upkg.h"
 #include "pack.h"
 
@@ -216,6 +217,27 @@ int u_object_deserialize(GObject *obj, struct upkg *pkg, unsigned long idx)
 	return rc;
 }
 
+GObject *u_object_new_from_package(struct upkg *upkg, unsigned long idx)
+{
+	const struct upkg_export *export;
+	const char *class, *package;
+	GObject *obj = NULL;
+	GType type;
+
+	class = upkg_export_class(upkg, idx, &package);
+
+	type = u_object_module_get_class(package, class);
+	if (type) {
+		obj = g_object_new(type, NULL);
+		if (u_object_deserialize(obj, upkg, idx) != 0) {
+			g_object_unref(obj);
+			return NULL;
+		}
+	}
+
+	return obj;
+}
+
 static void u_object_init(UObject *o)
 {
 	o->pkg      = NULL;
diff --git a/src/uobject/uobject.h b/src/uobject/uobject.h
index 7319ee6..0d0d45c 100644
--- a/src/uobject/uobject.h
+++ b/src/uobject/uobject.h
@@ -54,4 +54,6 @@ GType u_object_get_type(void);
 
 int u_object_deserialize(GObject *obj, struct upkg *pkg, unsigned long idx);
 
+GObject *u_object_new_from_package(struct upkg *pkg, unsigned long idx);
+
 #endif
diff --git a/src/upkg.c b/src/upkg.c
index 5766e8b..c13a867 100644
--- a/src/upkg.c
+++ b/src/upkg.c
@@ -279,19 +279,12 @@ static int object_info(GTypeModule *pkg, unsigned long idx)
 	if (verbose >= 1) {
 		GParamSpec **props;
 		GObject *obj;
-		GType type;
 		unsigned n;
 
-		type = u_object_module_get_class(package, class);
-		if (!type) {
-			printf("  (unknown class)\n");
-			return 0;
-		}
-
-		obj = g_object_new(type, NULL);
-
-		if (u_object_deserialize(obj, upkg, idx) != 0) {
-			g_object_unref(obj);
+		obj = u_object_new_from_package(upkg, idx);
+		if (!obj) {
+			fprintf(stderr, "%s: failed to load object.\n",
+			                progname);
 			return -1;
 		}