gimp/app/plug-in/gimppluginmanager-data.c

135 lines
3.4 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimppluginmanager-data.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 "config.h"
#include <string.h>
#include <glib-object.h>
#include "plug-in-types.h"
#include "gimppluginmanager.h"
#include "gimppluginmanager-data.h"
typedef struct _GimpPlugInData GimpPlugInData;
struct _GimpPlugInData
{
gchar *identifier;
gint32 bytes;
guint8 *data;
};
/* public functions */
void
gimp_plug_in_manager_data_free (GimpPlugInManager *manager)
{
g_return_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager));
if (manager->data_list)
{
GList *list;
for (list = manager->data_list;
list;
list = g_list_next (list))
{
GimpPlugInData *data = list->data;
g_free (data->identifier);
g_free (data->data);
g_free (data);
}
g_list_free (manager->data_list);
manager->data_list = NULL;
}
}
void
gimp_plug_in_manager_set_data (GimpPlugInManager *manager,
const gchar *identifier,
gint32 bytes,
const guint8 *data)
{
GimpPlugInData *plug_in_data;
GList *list;
g_return_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager));
g_return_if_fail (identifier != NULL);
g_return_if_fail (bytes > 0);
g_return_if_fail (data != NULL);
for (list = manager->data_list; list; list = g_list_next (list))
{
plug_in_data = list->data;
if (! strcmp (plug_in_data->identifier, identifier))
break;
}
/* If there isn't already data with the specified identifier, create one */
if (list == NULL)
{
plug_in_data = g_new0 (GimpPlugInData, 1);
plug_in_data->identifier = g_strdup (identifier);
manager->data_list = g_list_prepend (manager->data_list, plug_in_data);
}
else
{
g_free (plug_in_data->data);
}
plug_in_data->bytes = bytes;
plug_in_data->data = g_memdup (data, bytes);
}
const guint8 *
gimp_plug_in_manager_get_data (GimpPlugInManager *manager,
const gchar *identifier,
gint32 *bytes)
{
GList *list;
g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), NULL);
g_return_val_if_fail (identifier != NULL, NULL);
g_return_val_if_fail (bytes != NULL, NULL);
*bytes = 0;
for (list = manager->data_list; list; list = g_list_next (list))
{
GimpPlugInData *plug_in_data = list->data;
if (! strcmp (plug_in_data->identifier, identifier))
{
*bytes = plug_in_data->bytes;
return plug_in_data->data;
}
}
return NULL;
}