gtk/tools/gtk-path-tool.c
Matthias Clasen 32d00ca9ed path-tool: Add a restrict command
This lets you subset a path between two given lengths.
2023-08-25 22:26:54 -04:00

143 lines
3.6 KiB
C

/* Copyright 2023 Red Hat, Inc.
*
* GTK+ 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.
*
* GLib 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 GTK+; see the file COPYING. If not,
* see <http://www.gnu.org/licenses/>.
*
* Author: Matthias Clasen
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <glib/gi18n-lib.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "gtk-path-tool.h"
static void G_GNUC_NORETURN
usage (void)
{
g_print (_("Usage:\n"
" gtk4-path-tool [COMMAND] [OPTION…] PATH\n"
"\n"
"Perform various tasks on paths.\n"
"\n"
"Commands:\n"
" decompose Decompose the path\n"
" restrict Restrict the path to a segment\n"
" show Display the path in a window\n"
" render Render the path as an image\n"
" info Print information about the path\n"
"\n"));
exit (1);
}
/* A simplified version of g_log_writer_default_would_drop(), to avoid
* bumping up the required version of GLib to 2.68
*/
static gboolean
would_drop (GLogLevelFlags level,
const char *domain)
{
#if GLIB_CHECK_VERSION (2, 68, 0)
return g_log_writer_default_would_drop (level, domain);
#else
return (level & (G_LOG_LEVEL_ERROR |
G_LOG_LEVEL_CRITICAL |
G_LOG_LEVEL_WARNING)) == 0;
#endif
}
static GLogWriterOutput
log_writer_func (GLogLevelFlags level,
const GLogField *fields,
gsize n_fields,
gpointer user_data)
{
gsize i;
const char *domain = NULL;
const char *message = NULL;
for (i = 0; i < n_fields; i++)
{
if (g_strcmp0 (fields[i].key, "GLIB_DOMAIN") == 0)
domain = fields[i].value;
else if (g_strcmp0 (fields[i].key, "MESSAGE") == 0)
message = fields[i].value;
}
if (message != NULL && !would_drop (level, domain))
{
const char *prefix;
switch (level & G_LOG_LEVEL_MASK)
{
case G_LOG_LEVEL_ERROR:
prefix = "ERROR";
break;
case G_LOG_LEVEL_CRITICAL:
prefix = "CRITICAL";
break;
case G_LOG_LEVEL_WARNING:
prefix = "WARNING";
break;
default:
prefix = "INFO";
break;
}
g_printerr ("%s-%s: %s\n", domain, prefix, message);
}
return G_LOG_WRITER_HANDLED;
}
int
main (int argc, const char *argv[])
{
g_set_prgname ("gtk4-path-tool");
g_log_set_writer_func (log_writer_func, NULL, NULL);
gtk_init_check ();
gtk_test_register_all_types ();
if (argc < 2)
usage ();
if (strcmp (argv[1], "--help") == 0)
usage ();
argv++;
argc--;
if (strcmp (argv[0], "decompose") == 0)
do_decompose (&argc, &argv);
else if (strcmp (argv[0], "info") == 0)
do_info (&argc, &argv);
else if (strcmp (argv[0], "render") == 0)
do_render (&argc, &argv);
else if (strcmp (argv[0], "restrict") == 0)
do_restrict (&argc, &argv);
else if (strcmp (argv[0], "show") == 0)
do_show (&argc, &argv);
else
usage ();
return 0;
}