X-Git-Url: https://git.draconx.ca/gitweb/upkg.git/blobdiff_plain/c1029ec6d6b46abf9431e7c226f7d19bc4cb3ca2..82202f3afe5b662d6896e91903e491630c1ec7dd:/src/upkg.c

diff --git a/src/upkg.c b/src/upkg.c
index 6da174c..4a76fa2 100644
--- a/src/upkg.c
+++ b/src/upkg.c
@@ -28,6 +28,7 @@
 #include "module.h"
 #include "uobject.h"
 #include "exportable.h"
+#include "loadable.h"
 
 enum {
 	MODE_INFO,
@@ -38,9 +39,10 @@ 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' },
@@ -57,14 +59,14 @@ There is NO WARRANTY, to the extent permitted by law."
 	);
 }
 
-void print_usage(void)
+void print_usage(FILE *f)
 {
-	printf("Usage: %s [options] package\n", progname);
+	fprintf(f, "Usage: %s [options] package\n", progname);
 }
 
 void print_help(void)
 {
-	print_usage();
+	print_usage(stdout);
 	puts("Detailed help coming soon.  Until then, I'll just list my options.");
 	for (unsigned i = 0; lopts[i].name; i++) {
 		const struct option *o = &lopts[i];
@@ -107,6 +109,21 @@ void print_guid(unsigned char guid[static 16])
 	}
 }
 
+void print_upkg_exports(struct upkg *pkg)
+{
+	for (unsigned i = 0; i < pkg->export_count; i++) {
+		const char *name, *package, *class;
+
+		name  = upkg_export_name(pkg, i);
+		class = upkg_export_class(pkg, i, &package);
+
+		if (!name || !class)
+			continue;
+
+		printf("%u - %s (%s.%s)\n", i+1, name, package, class);
+	}
+}
+
 int package_info(struct upkg *pkg)
 {
 	printf("Version: %u\n",  pkg->version);
@@ -128,13 +145,87 @@ int package_info(struct upkg *pkg)
 		}
 	}
 
+	printf("Exports: %lu\n", pkg->export_count);
+	if (verbose >= 1) print_upkg_exports(pkg);
+	printf("Imports: %lu\n", pkg->import_count);
+
 	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 = -1;
+
+	if (u_object_deserialize(obj, f) != 0) {
+		goto out;
+	}
+
+	if (U_OBJECT_IS_LOADABLE(obj) && u_object_load(obj) != 0) {
+		goto out;
+	}
+
+	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);
+		goto out;
+	}
+
+	rc = u_object_export(obj, of);
+
+	if (fclose(of) != 0) {
+		perror(name);
+		rc = -1;
+		goto out;
+	}
+
+	if (U_OBJECT_IS_LOADABLE(obj)) {
+		u_object_unload(obj);
+	}
+
+out:
+	upkg_export_close(f);
+	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);
+		if (!class) {
+			fprintf(stderr, "error getting class information.\n");
+			return EXIT_FAILURE;
+		}
+
+		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;
-	unsigned mode;
+	unsigned mode = MODE_INFO;
 	int opt, rc = EXIT_FAILURE;
 
 	if (argc > 0) progname = argv[0];
@@ -144,6 +235,9 @@ int main(int argc, char **argv)
 		case 'i':
 			mode = MODE_INFO;
 			break;
+		case 'x':
+			mode = MODE_EXPORT;
+			break;
 		case 'v':
 			verbose++;
 			break;
@@ -154,13 +248,13 @@ int main(int argc, char **argv)
 			print_help();
 			return EXIT_SUCCESS;
 		default:
-			print_usage();
+			print_usage(stderr);
 			return EXIT_FAILURE;
 		}
 	}
 
 	if (argv[optind] == NULL) {
-		print_usage();
+		print_usage(stderr);
 		return EXIT_FAILURE;
 	}
 
@@ -177,6 +271,9 @@ 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);