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/* GObject - GLib Type, Object, Parameter and Signal Library
* Copyright (C) 1998-1999, 2000-2001 Tim Janik and Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <glib-object.h>
#include <glib/gprintf.h>
static gchar *indent_inc = NULL;
static guint spacing = 1;
static FILE *f_out = NULL;
static GType root = 0;
static gboolean recursion = TRUE;
#define O_SPACE " "
#define O_ESPACE ""
#define O_BRANCH "├"
#define O_VLINE "│"
#define O_LLEAF "└"
#define O_KEY_FILL "_"
static void
show_nodes (GType type,
GType sibling,
const gchar *indent)
{
GType *children;
guint i;
if (!type)
return;
children = g_type_children (type, NULL);
g_fprintf (f_out, "%s%s%s%s",
indent,
sibling ? O_BRANCH : (type != root ? O_LLEAF : O_SPACE),
O_ESPACE,
g_type_name (type));
for (i = strlen (g_type_name (type)); i <= strlen (indent_inc); i++)
fputs (O_KEY_FILL, f_out);
fputc ('\n', f_out);
if (children && recursion)
{
gchar *new_indent;
GType *child;
if (sibling)
new_indent = g_strconcat (indent, O_VLINE, indent_inc, NULL);
else
new_indent = g_strconcat (indent, O_SPACE, indent_inc, NULL);
for (child = children; *child; child++)
show_nodes (child[0], child[1], new_indent);
g_free (new_indent);
}
g_free (children);
}
static gint
help (const gchar *arg)
{
g_fprintf (stdout, "usage: gobject-query <qualifier> [-r <type>] [-{i|b} \"\"] [-s #] [-{h|x|y}]\n");
g_fprintf (stdout, " -r specify root type\n");
g_fprintf (stdout, " -n don't descend type tree\n");
g_fprintf (stdout, " -h show help\n");
g_fprintf (stdout, " -b specify indent string\n");
g_fprintf (stdout, " -i specify incremental indent string\n");
g_fprintf (stdout, " -s specify line spacing\n");
g_fprintf (stdout, "qualifiers:\n");
g_fprintf (stdout, " froots iterate over fundamental roots\n");
g_fprintf (stdout, " tree print type tree\n");
return arg != NULL;
}
int
main (gint argc,
gchar *argv[])
{
GLogLevelFlags fatal_mask;
gboolean gen_froots = 0;
gboolean gen_tree = 0;
gint i;
const gchar *iindent = "";
f_out = stdout;
fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
g_log_set_always_fatal (fatal_mask);
root = G_TYPE_OBJECT;
for (i = 1; i < argc; i++)
{
if (strcmp ("-s", argv[i]) == 0)
{
i++;
if (i < argc)
spacing = atoi (argv[i]);
}
else if (strcmp ("-i", argv[i]) == 0)
{
i++;
if (i < argc)
{
char *p;
guint n;
p = argv[i];
while (*p)
p++;
n = p - argv[i];
indent_inc = g_new (gchar, n * strlen (O_SPACE) + 1);
*indent_inc = 0;
while (n)
{
n--;
strcpy (indent_inc, O_SPACE);
}
}
}
else if (strcmp ("-b", argv[i]) == 0)
{
i++;
if (i < argc)
iindent = argv[i];
}
else if (strcmp ("-r", argv[i]) == 0)
{
i++;
if (i < argc)
root = g_type_from_name (argv[i]);
}
else if (strcmp ("-n", argv[i]) == 0)
{
recursion = FALSE;
}
else if (strcmp ("froots", argv[i]) == 0)
{
gen_froots = 1;
}
else if (strcmp ("tree", argv[i]) == 0)
{
gen_tree = 1;
}
else if (strcmp ("--version", argv[i]) == 0)
{
g_print (PACKAGE_VERSION "\n");
return 0;
}
else if (strcmp ("-h", argv[i]) == 0 ||
strcmp ("--help", argv[i]) == 0)
{
return help (NULL);
}
else
return help (argv[i]);
}
if (!gen_froots && !gen_tree)
return help ((argc > 0) ? argv[i-1] : NULL);
if (!indent_inc)
{
indent_inc = g_new (gchar, strlen (O_SPACE) + 1);
*indent_inc = 0;
strcpy (indent_inc, O_SPACE);
}
if (gen_tree)
show_nodes (root, 0, iindent);
if (gen_froots)
{
root = ~0;
for (i = 0; i <= G_TYPE_FUNDAMENTAL_MAX; i += G_TYPE_MAKE_FUNDAMENTAL (1))
{
const gchar *name = g_type_name (i);
GType sibling = i + G_TYPE_MAKE_FUNDAMENTAL (1);
if (sibling > G_TYPE_FUNDAMENTAL_MAX || g_type_name (sibling) == NULL)
sibling = 0;
if (name)
show_nodes (i, sibling, iindent);
}
}
return 0;
}
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