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gnucash/lib/goffice/app/go-object.c

129 lines
3.3 KiB

/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* go-object.c :
*
* Copyright (C) 2004 Jody Goldberg (jody@gnome.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <goffice/goffice-config.h>
#include <goffice/app/go-object.h>
#include <goffice/app/go-service-impl.h>
#include <goffice/app/go-plugin.h>
#include <goffice/app/go-error-stack.h>
#include <gsf/gsf-impl-utils.h>
#include <glib/gi18n.h>
struct _GOServiceObject {
GOService base;
char *primary_type;
GSList *interfaces;
};
typedef GOServiceClass GOServiceObjectClass;
static GHashTable *plugin_types = NULL;
static void
go_service_object_finalize (GObject *obj)
{
}
static char *
go_service_object_description (G_GNUC_UNUSED GOService *s)
{
return g_strdup (_("Objects"));
}
static void
go_service_object_class_init (GObjectClass *gobj_class)
{
GOServiceClass *serv_class = (GOServiceClass *)gobj_class;
gobj_class->finalize = go_service_object_finalize;
serv_class->description = go_service_object_description;
plugin_types = g_hash_table_new (g_str_hash, g_str_equal);
}
GSF_CLASS (GOServiceObject, go_service_object,
go_service_object_class_init, NULL,
GO_SERVICE_TYPE)
char const *
go_service_object_primary_type (GOServiceObject const *service)
{
g_return_val_if_fail (IS_GO_SERVICE_OBJECT (service), NULL);
return service->primary_type;
}
GSList const *
go_service_object_interfaces (GOServiceObject const *service)
{
g_return_val_if_fail (IS_GO_SERVICE_OBJECT (service), NULL);
return service->interfaces;
}
/****************************************************************************/
gpointer
go_object_new_valist (char const *type, char const *first_prop, va_list args)
{
GType t = g_type_from_name (type);
if (t == 0) {
GOService *service = plugin_types ?
g_hash_table_lookup (plugin_types, type) : NULL;
GOPlugin *plugin;
GOErrorStack *err;
g_return_val_if_fail (service != NULL, NULL);
plugin = go_service_get_plugin (service);
if (!go_plugin_is_enabled (plugin))
return NULL;
if (!go_plugin_is_loaded (plugin))
err = go_plugin_load (plugin);
t = g_type_from_name (type);
if (t == 0)
err = gog_error_stack_new (err,
_("Loading plugin '%s' that contains the object '%s'"),
go_plugin_get_id (plugin), type);;
if (err != NULL) {
go_error_stack_dump (err);
go_error_stack_free (err);
return NULL;
}
g_return_val_if_fail (type != 0, NULL);
}
return g_object_new_valist (t, first_prop, args);
}
gpointer
go_object_new (char const *type, char const *first_prop, ...)
{
gpointer res;
va_list args;
va_start (args, first_prop);
res = go_object_new_valist (type, first_prop, args);
va_end (args);
return res;
}