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/* Copyright (C) 2011-2013 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 "common.h"
static gchar **uca_prop_assignment_array = NULL;
static gchar *
get_camera_list (UcaPluginManager *manager)
{
GList *types;
GString *str;
manager = uca_plugin_manager_new ();
types = uca_plugin_manager_get_available_cameras (manager);
str = g_string_new ("[ ");
if (types != NULL) {
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_string_append_printf (str, "%s ]", name);
else
g_string_append_printf (str, "%s, ", name);
}
}
else {
g_string_append (str, "]");
}
g_list_free_full (types, g_free);
g_object_unref (manager);
return g_string_free (str, FALSE);
}
GOptionContext *
uca_common_context_new (UcaPluginManager *manager)
{
GOptionContext *context;
GOptionGroup *common;
gchar *camera_list;
static GOptionEntry entries[] = {
{ "prop", 'p', 0, G_OPTION_ARG_STRING_ARRAY, &uca_prop_assignment_array, "Property assignment via `name=value'", NULL },
{ NULL }
};
camera_list = get_camera_list (manager);
context = g_option_context_new (camera_list);
g_free (camera_list);
common = g_option_group_new ("properties", "Property options", "Show help for property assignment", NULL, NULL);
g_option_group_add_entries (common, entries);
g_option_context_add_group (context, common);
return context;
}
UcaCamera *
uca_common_get_camera (UcaPluginManager *manager, const gchar *name, GError **error)
{
UcaCamera *camera;
GParameter *params;
guint n_props;
n_props = uca_prop_assignment_array != NULL ? g_strv_length (uca_prop_assignment_array) : 0;
params = g_new0 (GParameter, n_props);
for (guint i = 0; i < n_props; i++) {
gchar **split;
split = g_strsplit (uca_prop_assignment_array[i], "=", 2);
if (g_strv_length (split) < 2)
goto cleanup;
params[i].name = g_strdup (split[0]);
/* We cannot check the type before instantiation, classic chicken-egg
* situation ... so, let's try string. */
g_value_init (¶ms[i].value, G_TYPE_STRING);
g_value_set_string (¶ms[i].value, split[1]);
cleanup:
g_strfreev (split);
}
camera = uca_plugin_manager_get_camerav (manager, name, n_props, params, error);
if (camera == NULL)
goto get_camera_exit;
uca_camera_parse_arg_props (camera, uca_prop_assignment_array, n_props, error);
for (guint i = 0; i < n_props; i++) {
/* cast is legit, because we created the string */
g_free ((gchar *) params[i].name);
}
get_camera_exit:
g_free (params);
return camera;
}
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