g_string_free (str, TRUE);
}
+static gboolean
+group_has_visible_entries (GOptionGroup *group,
+ gboolean main_entries)
+{
+ GOptionFlags reject_filter = G_OPTION_FLAG_HIDDEN;
+ GOptionEntry *entry;
+ gint i, l;
+
+ if (!main_entries)
+ reject_filter |= G_OPTION_FLAG_IN_MAIN;
+
+ for (i = 0, l = (group ? group->n_entries : 0); i < l; i++)
+ {
+ entry = &group->entries[i];
+
+ if (main_entries && !(entry->flags & G_OPTION_FLAG_IN_MAIN))
+ continue;
+ if (!(entry->flags & reject_filter))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+group_list_has_visible_entires (GList *group_list,
+ gboolean main_entries)
+{
+ while (group_list)
+ {
+ if (group_has_visible_entries (group_list->data, main_entries))
+ return TRUE;
+
+ group_list = group_list->next;
+ }
+
+ return FALSE;
+}
+
/**
* g_option_context_get_help:
* @context: a #GOptionContext
while (list)
{
GOptionGroup *group = list->data;
-
- g_string_append_printf (string, " --help-%-*s %s\n",
- max_length - 5, group->name,
- TRANSLATE (group, group->help_description));
+
+ if (group_has_visible_entries (group, FALSE))
+ g_string_append_printf (string, " --help-%-*s %s\n",
+ max_length - 5, group->name,
+ TRANSLATE (group, group->help_description));
list = list->next;
}
if (group)
{
/* Print a certain group */
-
- g_string_append (string, TRANSLATE (group, group->description));
- g_string_append (string, "\n");
- for (i = 0; i < group->n_entries; i++)
- print_entry (group, max_length, &group->entries[i], string);
- g_string_append (string, "\n");
+
+ if (group_has_visible_entries (group, FALSE))
+ {
+ g_string_append (string, TRANSLATE (group, group->description));
+ g_string_append (string, "\n");
+ for (i = 0; i < group->n_entries; i++)
+ print_entry (group, max_length, &group->entries[i], string);
+ g_string_append (string, "\n");
+ }
}
else if (!main_help)
{
{
GOptionGroup *group = list->data;
- g_string_append (string, group->description);
- g_string_append (string, "\n");
- for (i = 0; i < group->n_entries; i++)
- if (!(group->entries[i].flags & G_OPTION_FLAG_IN_MAIN))
- print_entry (group, max_length, &group->entries[i], string);
+ if (group_has_visible_entries (group, FALSE))
+ {
+ g_string_append (string, group->description);
+ g_string_append (string, "\n");
+ for (i = 0; i < group->n_entries; i++)
+ if (!(group->entries[i].flags & G_OPTION_FLAG_IN_MAIN))
+ print_entry (group, max_length, &group->entries[i], string);
- g_string_append (string, "\n");
+ g_string_append (string, "\n");
+ }
+
list = list->next;
}
}
/* Print application options if --help or --help-all has been specified */
- if (main_help || !group)
+ if ((main_help || !group) &&
+ (group_has_visible_entries (context->main_group, TRUE) ||
+ group_list_has_visible_entires (context->groups, TRUE)))
{
list = context->groups;
--- /dev/null
+/* Unit tests for GOptionContext
+ * Copyright (C) 2007 Openismus GmbH
+ * Authors: Mathias Hasselmann
+ *
+ * This work is provided "as is"; redistribution and modification
+ * in whole or in part, in any medium, physical or electronic is
+ * permitted without restriction.
+ *
+ * This work 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.
+ *
+ * In no event shall the authors or contributors be liable for any
+ * direct, indirect, incidental, special, exemplary, or consequential
+ * damages (including, but not limited to, procurement of substitute
+ * goods or services; loss of use, data, or profits; or business
+ * interruption) however caused and on any theory of liability, whether
+ * in contract, strict liability, or tort (including negligence or
+ * otherwise) arising in any way out of the use of this software, even
+ * if advised of the possibility of such damage.
+ */
+#include <glib/gtestutils.h>
+
+static void
+group_captions (void)
+{
+ gchar *help_variants[] = { "--help", "--help-all", "--help-test" };
+
+ GOptionEntry main_entries[] = {
+ { "main-switch", 0,
+ G_OPTION_FLAG_NO_ARG | G_OPTION_FLAG_IN_MAIN,
+ G_OPTION_ARG_NONE, NULL,
+ "A switch that is in the main group", NULL },
+ { NULL }
+ };
+
+ GOptionEntry group_entries[] = {
+ { "test-switch", 0,
+ G_OPTION_FLAG_NO_ARG,
+ G_OPTION_ARG_NONE, NULL,
+ "A switch that is in the test group", NULL },
+ { NULL }
+ };
+
+ gint i, j;
+
+ g_test_bug ("504142");
+
+ for (i = 0; i < 4; ++i)
+ {
+ gboolean have_main_entries = (0 != (i & 1));
+ gboolean have_test_entries = (0 != (i & 2));
+
+ GOptionContext *options;
+ GOptionGroup *group;
+
+ options = g_option_context_new (NULL);
+ group = g_option_group_new ("test", "Test Options",
+ "Show all test options",
+ NULL, NULL);
+
+ if (have_main_entries)
+ g_option_context_add_main_entries (options, main_entries, NULL);
+ if (have_test_entries)
+ g_option_group_add_entries (group, group_entries);
+
+ g_option_context_add_group (options, group);
+
+ for (j = 0; j < G_N_ELEMENTS (help_variants); ++j)
+ {
+ gchar *args[] = { __FILE__, help_variants[j], NULL };
+
+ g_test_message ("test setup: args='%s', main-entries=%d, test-entries=%d",
+ args[1], have_main_entries, have_test_entries);
+
+ if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT |
+ G_TEST_TRAP_SILENCE_STDERR))
+ {
+ gchar **argv = args;
+ gint argc = 2;
+
+ g_option_context_parse (options, &argc, &argv, NULL);
+ g_assert_not_reached ();
+ }
+ else
+ {
+ gboolean expect_main_description = FALSE;
+ gboolean expect_main_switch = FALSE;
+
+ gboolean expect_test_description = FALSE;
+ gboolean expect_test_switch = FALSE;
+ gboolean expect_test_group = FALSE;
+
+ g_test_trap_assert_passed ();
+ g_test_trap_assert_stderr ("");
+
+ switch (j)
+ {
+ case 0:
+ g_assert_cmpstr ("--help", ==, args[1]);
+ expect_main_switch = have_main_entries;
+ expect_test_group = have_test_entries;
+ break;
+
+ case 1:
+ g_assert_cmpstr ("--help-all", ==, args[1]);
+ expect_main_switch = have_main_entries;
+ expect_test_switch = have_test_entries;
+ expect_test_group = have_test_entries;
+ break;
+
+ case 2:
+ g_assert_cmpstr ("--help-test", ==, args[1]);
+ expect_test_switch = have_test_entries;
+ break;
+
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+
+ expect_main_description |= expect_main_switch;
+ expect_test_description |= expect_test_switch;
+
+ if (expect_main_description)
+ g_test_trap_assert_stdout ("*Application Options*");
+ else
+ g_test_trap_assert_stdout_unmatched ("*Application Options*");
+ if (expect_main_switch)
+ g_test_trap_assert_stdout ("*--main-switch*");
+ else
+ g_test_trap_assert_stdout_unmatched ("*--main-switch*");
+
+ if (expect_test_description)
+ g_test_trap_assert_stdout ("*Test Options*");
+ else
+ g_test_trap_assert_stdout_unmatched ("*Test Options*");
+ if (expect_test_switch)
+ g_test_trap_assert_stdout ("*--test-switch*");
+ else
+ g_test_trap_assert_stdout_unmatched ("*--test-switch*");
+
+ if (expect_test_group)
+ g_test_trap_assert_stdout ("*--help-test*");
+ else
+ g_test_trap_assert_stdout_unmatched ("*--help-test*");
+ }
+ }
+ }
+}
+
+int
+main (int argc,
+ char *argv[])
+{
+ g_test_init (&argc, &argv, NULL);
+
+ g_test_bug_base ("http://bugzilla.gnome.org/");
+ g_test_add_func ("/group/captions", group_captions);
+
+ return g_test_run();
+}