gimp/app/core/gimp-modules.c

237 lines
5.8 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpmodules.c
* (C) 1999 Austin Donnelly <austin@gimp.org>
*
* 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 <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpmodule/gimpmodule.h"
#include "libgimpconfig/gimpconfig.h"
#include "core-types.h"
#include "config/gimpcoreconfig.h"
#include "gimp.h"
#include "gimp-modules.h"
#include "gimp-intl.h"
void
gimp_modules_init (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (! gimp->no_interface)
{
gimp->module_db = gimp_module_db_new (gimp->be_verbose);
gimp->write_modulerc = FALSE;
}
}
void
gimp_modules_exit (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (gimp->module_db)
{
g_object_unref (gimp->module_db);
gimp->module_db = NULL;
}
}
void
gimp_modules_load (Gimp *gimp)
{
gchar *filename;
gchar *path;
GScanner *scanner;
gchar *module_load_inhibit = NULL;
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (gimp->no_interface)
return;
filename = gimp_personal_rc_file ("modulerc");
if (gimp->be_verbose)
g_print ("Parsing '%s'\n", gimp_filename_to_utf8 (filename));
scanner = gimp_scanner_new_file (filename, NULL);
g_free (filename);
if (scanner)
{
GTokenType token;
GError *error = NULL;
#define MODULE_LOAD_INHIBIT 1
g_scanner_scope_add_symbol (scanner, 0, "module-load-inhibit",
GINT_TO_POINTER (MODULE_LOAD_INHIBIT));
token = G_TOKEN_LEFT_PAREN;
while (g_scanner_peek_next_token (scanner) == token)
{
token = g_scanner_get_next_token (scanner);
switch (token)
{
case G_TOKEN_LEFT_PAREN:
token = G_TOKEN_SYMBOL;
break;
case G_TOKEN_SYMBOL:
if (scanner->value.v_symbol == GINT_TO_POINTER (MODULE_LOAD_INHIBIT))
{
token = G_TOKEN_STRING;
if (! gimp_scanner_parse_string_no_validate (scanner,
&module_load_inhibit))
goto error;
}
token = G_TOKEN_RIGHT_PAREN;
break;
case G_TOKEN_RIGHT_PAREN:
token = G_TOKEN_LEFT_PAREN;
break;
default: /* do nothing */
break;
}
}
#undef MODULE_LOAD_INHIBIT
if (token != G_TOKEN_LEFT_PAREN)
{
g_scanner_get_next_token (scanner);
g_scanner_unexp_token (scanner, token, NULL, NULL, NULL,
_("fatal parse error"), TRUE);
}
error:
if (error)
{
gimp_message (gimp, NULL, GIMP_MESSAGE_ERROR, "%s", error->message);
g_clear_error (&error);
}
gimp_scanner_destroy (scanner);
}
if (module_load_inhibit)
{
gimp_module_db_set_load_inhibit (gimp->module_db, module_load_inhibit);
g_free (module_load_inhibit);
}
path = gimp_config_path_expand (gimp->config->module_path, TRUE, NULL);
gimp_module_db_load (gimp->module_db, path);
g_free (path);
}
static void
add_to_inhibit_string (gpointer data,
gpointer user_data)
{
GimpModule *module = data;
GString *str = user_data;
if (module->load_inhibit)
{
str = g_string_append_c (str, G_SEARCHPATH_SEPARATOR);
str = g_string_append (str, module->filename);
}
}
void
gimp_modules_unload (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (! gimp->no_interface && gimp->write_modulerc)
{
GimpConfigWriter *writer;
GString *str;
gchar *p;
gchar *filename;
GError *error = NULL;
str = g_string_new (NULL);
g_list_foreach (gimp->module_db->modules, add_to_inhibit_string, str);
if (str->len > 0)
p = str->str + 1;
else
p = "";
filename = gimp_personal_rc_file ("modulerc");
if (gimp->be_verbose)
g_print ("Writing '%s'\n", gimp_filename_to_utf8 (filename));
writer = gimp_config_writer_new_file (filename, TRUE,
"GIMP modulerc", &error);
g_free (filename);
if (writer)
{
gimp_config_writer_open (writer, "module-load-inhibit");
gimp_config_writer_printf (writer, "\"%s\"", p);
gimp_config_writer_close (writer);
gimp_config_writer_finish (writer, "end of modulerc", &error);
gimp->write_modulerc = FALSE;
}
g_string_free (str, TRUE);
if (error)
{
gimp_message (gimp, NULL, GIMP_MESSAGE_ERROR, "%s", error->message);
g_clear_error (&error);
}
}
}
void
gimp_modules_refresh (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (! gimp->no_interface)
{
gchar *path;
path = gimp_config_path_expand (gimp->config->module_path, TRUE, NULL);
gimp_module_db_refresh (gimp->module_db, path);
g_free (path);
}
}