From 6be651088b8e49c16b04caf8031c132e858a0ee9 Mon Sep 17 00:00:00 2001
From: Nick Bowler <nbowler@draconx.ca>
Date: Sun, 12 Jul 2009 20:17:12 -0400
Subject: [PATCH] upkg: Implement batch export.

---
 src/upkg.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 62 insertions(+), 1 deletion(-)

diff --git a/src/upkg.c b/src/upkg.c
index e104cc9..ed6d4df 100644
--- a/src/upkg.c
+++ b/src/upkg.c
@@ -38,9 +38,10 @@ enum {
 int verbose = 0;
 
 static const char *progname = "upkg";
-static const char *sopts = "ivVH";
+static const char *sopts = "ixvVH";
 static const struct option lopts[] = {
 	{ "info",     0, NULL, 'i' },
+	{ "export",   0, NULL, 'x' },
 	{ "verbose",  0, NULL, 'v' },
 	{ "version",  0, NULL, 'V' },
 	{ "help",     0, NULL, 'H' },
@@ -150,6 +151,60 @@ int package_info(struct upkg *pkg)
 	return EXIT_SUCCESS;
 }
 
+static int export(struct upkg *pkg, GObject *obj, unsigned idx)
+{
+	struct upkg_file *f = upkg_export_open(pkg, idx);
+	char name[256];
+	FILE *of;
+	int rc;
+
+	if (u_object_deserialize(obj, f) != 0) {
+		return -1;
+	}
+	u_object_export_name(obj, name, sizeof name);
+
+	printf("exporting %s to %s\n", upkg_export_name(pkg, idx), name);
+	of = fopen(name, "wb");
+	if (!of) {
+		perror(name);
+		return -1;
+	}
+
+	rc = u_object_export(obj, of);
+
+	if (fclose(of) != 0) {
+		perror(name);
+		return -1;
+	}
+
+	return rc;
+}
+
+int package_export(struct upkg *pkg)
+{
+	const char *class, *package;
+	GObject *obj;
+	GType type;
+	int rc = EXIT_SUCCESS;
+
+	for (unsigned i = 0; i < pkg->export_count; i++) {
+		class = upkg_export_class(pkg, i, &package);
+
+		type = module_get_class(package, class);
+		if (!type) continue;
+
+		obj = g_object_new(type, NULL);
+		if (U_OBJECT_IS_EXPORTABLE(obj)) {
+			if (export(pkg, obj, i) != 0) {
+				rc = EXIT_FAILURE;
+			}
+		}
+		g_object_unref(obj);
+	}
+
+	return rc;
+}
+
 int main(int argc, char **argv)
 {
 	struct upkg *pkg;
@@ -163,6 +218,9 @@ int main(int argc, char **argv)
 		case 'i':
 			mode = MODE_INFO;
 			break;
+		case 'x':
+			mode = MODE_EXPORT;
+			break;
 		case 'v':
 			verbose++;
 			break;
@@ -196,6 +254,9 @@ int main(int argc, char **argv)
 	case MODE_INFO:
 		rc = package_info(pkg);
 		break;
+	case MODE_EXPORT:
+		rc = package_export(pkg);
+		break;
 	}
 
 	upkg_close(pkg);
-- 
2.43.2