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/* Copyright (C) 2012 Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
(Karlsruhe Institute of Technology)
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, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110, USA */
#include <glib-object.h>
#include <string.h>
#include "uca-plugin-manager.h"
#include "uca-camera.h"
static void
print_usage (void)
{
GList *types;
UcaPluginManager *manager;
manager = uca_plugin_manager_new ();
g_print ("Usage: uca-info [ ");
types = uca_plugin_manager_get_available_cameras (manager);
if (types == NULL) {
g_print ("] -- no camera plugin found\n");
return;
}
for (GList *it = g_list_first (types); it != NULL; it = g_list_next (it)) {
gchar *name = (gchar *) it->data;
if (g_list_next (it) == NULL)
g_print ("%s ]\n", name);
else
g_print ("%s, ", name);
}
}
static const gchar *
get_flags_description (GParamSpec *pspec)
{
static const gchar *descriptions[] = { "", "RO", "WO", "RW", "" };
if (pspec->flags >= 3)
return descriptions[3];
return descriptions[pspec->flags];
}
static void
print_properties (UcaCamera *camera)
{
GObjectClass *oclass;
GParamSpec **pspecs;
GHashTable *map;
GList *names;
gchar *fmt_string;
guint n_props;
guint max_length = 0;
oclass = G_OBJECT_GET_CLASS (camera);
pspecs = g_object_class_list_properties (oclass, &n_props);
for (guint i = 0; i < n_props; i++)
max_length = MAX (max_length, strlen (g_param_spec_get_name (pspecs[i])));
map = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_free);
for (guint i = 0; i < n_props; i++) {
GParamSpec *pspec;
GValue value= { 0, { { 0 } } };
const gchar *name;
pspec = pspecs[i];
name = g_param_spec_get_name (pspec);
g_value_init (&value, pspec->value_type);
g_object_get_property (G_OBJECT (camera), name, &value);
g_hash_table_insert (map, (gpointer) name, g_strdup_value_contents (&value));
g_value_unset (&value);
}
fmt_string = g_strdup_printf (" %%s | %%-%us | %%s\n", max_length);
names = g_list_sort (g_hash_table_get_keys (map), (GCompareFunc) g_strcmp0);
for (GList *it = g_list_first (names); it != NULL; it = g_list_next (it)) {
GParamSpec *pspec;
const gchar *name;
gchar* value;
name = (const gchar *) it->data;
pspec = g_object_class_find_property (oclass, name);
value = g_hash_table_lookup (map, name);
g_print (fmt_string, get_flags_description (pspec), name, value);
}
g_list_free (names);
g_hash_table_destroy (map);
g_free (fmt_string);
g_free (pspecs);
}
int main(int argc, char *argv[])
{
UcaPluginManager *manager;
UcaCamera *camera;
gchar *name;
GError *error = NULL;
#if !(GLIB_CHECK_VERSION (2, 36, 0))
g_type_init();
#endif
manager = uca_plugin_manager_new ();
if (argc < 2) {
print_usage();
return 0;
}
else {
name = argv[1];
camera = uca_plugin_manager_get_camera (manager, name, &error, NULL);
}
if (camera == NULL) {
g_printerr ("Error during initialization: %s\n", error->message);
print_usage();
return 1;
}
print_properties (camera);
g_object_unref (camera);
g_object_unref (manager);
}
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