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g-ir-inspect: Inspect GI typelibs

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Various distributions (mainly RPM based so far) make use of automatic
dependencies extracted from typelib files (they can require other typelibs
and also shared libraries)

Current features
* Print used shared libraries
* Print used typelib dependencies

Based-on-patch-by: Dominique Leuenberger <dimstar@opensuse.org>
Reference: https://bugzilla.gnome.org/show_bug.cgi?id=665672
Reviewed-by: Colin Walters <walters@verbum.org>
Signed-off-by: Dominique Leuenberger <dimstar@opensuse.org>
Signed-off-by: Igor Gnatenko <ignatenko@redhat.com>
This commit is contained in:
Igor Gnatenko 2016-04-28 23:53:43 +02:00 committed by Philip Withnall
parent 42654f0979
commit 77e08288a5
1 changed files with 133 additions and 0 deletions
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133
girepository/tools/g-ir-inspect.c Normal file
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/* GObject introspection: typelib inspector
*
* Copyright (C) 2011-2016 Dominique Leuenberger <dimstar@opensuse.org>
* Copyright © 2016 Igor Gnatenko <ignatenko@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <glib.h>
#include <girepository.h>
#include <stdlib.h>
static void
print_shlibs (const gchar *namespace)
{
guint i = 0;
/* Finding the shared library we depend on (if any) */
const gchar *shlibs = g_irepository_get_shared_library (NULL, namespace);
if (shlibs && shlibs[0] != '\0')
{
/* shlibs is a comma-separated list of libraries */
GStrv libs = g_strsplit (shlibs, ",", -1);
for (i = 0; libs[i]; i++)
g_print ("shlib: %s\n", libs[i]);
g_strfreev (libs);
}
}
static void
print_typelibs (const gchar *namespace)
{
guint i = 0;
/* Finding all the typelib-based Requires */
GStrv deps = g_irepository_get_dependencies (NULL, namespace);
if (deps)
{
for (i = 0; deps[i]; i++)
g_print ("typelib: %s\n", deps[i]);
g_strfreev (deps);
}
}
gint
main (gint argc,
gchar *argv[])
{
gint status = EXIT_SUCCESS;
GError *error = NULL;
GITypelib *typelib = NULL;
gchar *version = NULL;
gboolean opt_shlibs = FALSE;
gboolean opt_typelibs = FALSE;
GStrv namespaces = NULL;
const gchar *namespace = NULL;
const GOptionEntry options[] = {
{ "version", 0, 0, G_OPTION_ARG_STRING, &version, "Version", "VERSION" },
{ "print-shlibs", 0, 0, G_OPTION_ARG_NONE, &opt_shlibs, "List the shared libraries the typelib requires" },
{ "print-typelibs", 0, 0, G_OPTION_ARG_NONE, &opt_typelibs, "List other typelibs the inspected typelib requires" },
{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_STRING_ARRAY, &namespaces, "The typelib to inspect", "NAMESPACE" },
{ NULL },
};
g_autoptr(GOptionContext) context = g_option_context_new ("- Inspect GI typelib");
g_option_context_add_main_entries (context, options, NULL);
if (!g_option_context_parse (context, &argc, &argv, &error))
{
status = EXIT_FAILURE;
g_printerr ("Failed to parse command line options: %s\n", error->message);
goto out;
}
if (!namespaces)
{
status = EXIT_FAILURE;
g_printerr ("Please specify at least one namespace\n");
goto out;
}
if (g_strv_length (namespaces) > 1)
{
status = EXIT_FAILURE;
g_printerr ("Please specify only one namespace\n");
goto out;
}
namespace = namespaces[0];
if (!opt_shlibs && !opt_typelibs)
{
status = EXIT_FAILURE;
g_printerr ("Please specify --print-shlibs, --print-typelibs or both.\n");
goto out;
}
typelib = g_irepository_require (NULL, namespace, version, 0, &error);
if (!typelib)
{
status = EXIT_FAILURE;
g_printerr ("Failed to load typelib: %s\n", error->message);
goto out;
}
if (opt_shlibs)
print_shlibs (namespace);
if (opt_typelibs)
print_typelibs (namespace);
out:
if (error)
g_error_free (error);
if (typelib)
g_typelib_free (typelib);
g_strfreev (namespaces);
g_free (version);
return status;
}