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

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-2002 Spencer Kimball, Peter Mattis, and others
*
* gimppluginmanager-restore.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 "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "plug-in-types.h"
#include "config/gimpcoreconfig.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "pdb/gimppdb.h"
#include "gimpinterpreterdb.h"
#include "gimpplugindef.h"
#include "gimppluginmanager.h"
#define __YES_I_NEED_GIMP_PLUG_IN_MANAGER_CALL__
#include "gimppluginmanager-call.h"
#include "gimppluginmanager-help-domain.h"
#include "gimppluginmanager-locale-domain.h"
#include "gimppluginmanager-restore.h"
#include "gimppluginprocedure.h"
#include "plug-in-rc.h"
#include "gimp-intl.h"
static void gimp_plug_in_manager_search (GimpPlugInManager *manager,
GimpInitStatusFunc status_callback);
static gchar * gimp_plug_in_manager_get_pluginrc (GimpPlugInManager *manager);
static void gimp_plug_in_manager_read_pluginrc (GimpPlugInManager *manager,
const gchar *pluginrc,
GimpInitStatusFunc status_callback);
static void gimp_plug_in_manager_query_new (GimpPlugInManager *manager,
GimpContext *context,
GimpInitStatusFunc status_callback);
static void gimp_plug_in_manager_init_plug_ins (GimpPlugInManager *manager,
GimpContext *context,
GimpInitStatusFunc status_callback);
static void gimp_plug_in_manager_run_extensions (GimpPlugInManager *manager,
GimpContext *context,
GimpInitStatusFunc status_callback);
static void gimp_plug_in_manager_bind_text_domains (GimpPlugInManager *manager);
static void gimp_plug_in_manager_add_from_file (const GimpDatafileData *file_data,
gpointer data);
static void gimp_plug_in_manager_add_from_rc (GimpPlugInManager *manager,
GimpPlugInDef *plug_in_def);
static void gimp_plug_in_manager_add_to_db (GimpPlugInManager *manager,
GimpContext *context,
GimpPlugInProcedure *proc);
static gint gimp_plug_in_manager_file_proc_compare (gconstpointer a,
gconstpointer b,
gpointer data);
void
gimp_plug_in_manager_restore (GimpPlugInManager *manager,
GimpContext *context,
GimpInitStatusFunc status_callback)
{
Gimp *gimp;
gchar *pluginrc;
GSList *list;
GError *error = NULL;
g_return_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager));
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (status_callback != NULL);
gimp = manager->gimp;
/* search for binaries in the plug-in directory path */
gimp_plug_in_manager_search (manager, status_callback);
/* read the pluginrc file for cached data */
pluginrc = gimp_plug_in_manager_get_pluginrc (manager);
gimp_plug_in_manager_read_pluginrc (manager, pluginrc, status_callback);
/* query any plug-ins that changed since we last wrote out pluginrc */
gimp_plug_in_manager_query_new (manager, context, status_callback);
/* initialize the plug-ins */
gimp_plug_in_manager_init_plug_ins (manager, context, status_callback);
/* add the procedures to manager->plug_in_procedures */
for (list = manager->plug_in_defs; list; list = list->next)
{
GimpPlugInDef *plug_in_def = list->data;
GSList *list2;
for (list2 = plug_in_def->procedures; list2; list2 = list2->next)
{
gimp_plug_in_manager_add_procedure (manager, list2->data);
}
}
/* write the pluginrc file if necessary */
if (manager->write_pluginrc)
{
if (gimp->be_verbose)
g_print ("Writing '%s'\n", gimp_filename_to_utf8 (pluginrc));
if (! plug_in_rc_write (manager->plug_in_defs, pluginrc, &error))
{
gimp_message_literal (gimp,
NULL, GIMP_MESSAGE_ERROR, error->message);
g_clear_error (&error);
}
manager->write_pluginrc = FALSE;
}
g_free (pluginrc);
/* create locale and help domain lists */
for (list = manager->plug_in_defs; list; list = list->next)
{
GimpPlugInDef *plug_in_def = list->data;
if (plug_in_def->locale_domain_name)
gimp_plug_in_manager_add_locale_domain (manager,
plug_in_def->prog,
plug_in_def->locale_domain_name,
plug_in_def->locale_domain_path);
else
/* set the default plug-in locale domain */
gimp_plug_in_def_set_locale_domain (plug_in_def,
gimp_plug_in_manager_get_locale_domain (manager,
plug_in_def->prog,
NULL),
NULL);
if (plug_in_def->help_domain_name)
gimp_plug_in_manager_add_help_domain (manager,
plug_in_def->prog,
plug_in_def->help_domain_name,
plug_in_def->help_domain_uri);
}
/* we're done with the plug-in-defs */
g_slist_foreach (manager->plug_in_defs, (GFunc) g_object_unref, NULL);
g_slist_free (manager->plug_in_defs);
manager->plug_in_defs = NULL;
/* bind plug-in text domains */
gimp_plug_in_manager_bind_text_domains (manager);
/* add the plug-in procs to the procedure database */
for (list = manager->plug_in_procedures; list; list = list->next)
{
gimp_plug_in_manager_add_to_db (manager, context, list->data);
}
/* sort the load and save procedures */
manager->load_procs =
g_slist_sort_with_data (manager->load_procs,
gimp_plug_in_manager_file_proc_compare, manager);
manager->save_procs =
g_slist_sort_with_data (manager->save_procs,
gimp_plug_in_manager_file_proc_compare, manager);
gimp_plug_in_manager_run_extensions (manager, context, status_callback);
}
/* search for binaries in the plug-in directory path */
static void
gimp_plug_in_manager_search (GimpPlugInManager *manager,
GimpInitStatusFunc status_callback)
{
gchar *path;
const gchar *pathext = g_getenv ("PATHEXT");
/* If PATHEXT is set, we are likely on Windows and need to add
* the known file extensions.
*/
if (pathext)
{
gchar *exts;
exts = gimp_interpreter_db_get_extensions (manager->interpreter_db);
if (exts)
{
gchar *value;
value = g_strconcat (pathext, G_SEARCHPATH_SEPARATOR_S, exts, NULL);
g_setenv ("PATHEXT", value, TRUE);
g_free (value);
g_free (exts);
}
}
status_callback (_("Searching Plug-Ins"), "", 0.0);
path = gimp_config_path_expand (manager->gimp->config->plug_in_path,
TRUE, NULL);
gimp_datafiles_read_directories (path,
G_FILE_TEST_IS_EXECUTABLE,
gimp_plug_in_manager_add_from_file,
manager);
g_free (path);
}
static gchar *
gimp_plug_in_manager_get_pluginrc (GimpPlugInManager *manager)
{
Gimp *gimp = manager->gimp;
gchar *pluginrc;
if (gimp->config->plug_in_rc_path)
{
pluginrc = gimp_config_path_expand (gimp->config->plug_in_rc_path,
TRUE, NULL);
if (! g_path_is_absolute (pluginrc))
{
gchar *str = g_build_filename (gimp_directory (), pluginrc, NULL);
g_free (pluginrc);
pluginrc = str;
}
}
else
{
pluginrc = gimp_personal_rc_file ("pluginrc");
}
return pluginrc;
}
/* read the pluginrc file for cached data */
static void
gimp_plug_in_manager_read_pluginrc (GimpPlugInManager *manager,
const gchar *pluginrc,
GimpInitStatusFunc status_callback)
{
GSList *rc_defs;
GError *error = NULL;
status_callback (_("Resource configuration"),
gimp_filename_to_utf8 (pluginrc), 0.0);
if (manager->gimp->be_verbose)
g_print ("Parsing '%s'\n", gimp_filename_to_utf8 (pluginrc));
rc_defs = plug_in_rc_parse (manager->gimp, pluginrc, &error);
if (rc_defs)
{
GSList *list;
for (list = rc_defs; list; list = g_slist_next (list))
gimp_plug_in_manager_add_from_rc (manager, list->data); /* consumes list->data */
g_slist_free (rc_defs);
}
else if (error)
{
if (error->code != GIMP_CONFIG_ERROR_OPEN_ENOENT)
gimp_message_literal (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
error->message);
g_clear_error (&error);
}
}
/* query any plug-ins that changed since we last wrote out pluginrc */
static void
gimp_plug_in_manager_query_new (GimpPlugInManager *manager,
GimpContext *context,
GimpInitStatusFunc status_callback)
{
GSList *list;
gint n_plugins;
status_callback (_("Querying new Plug-ins"), "", 0.0);
for (list = manager->plug_in_defs, n_plugins = 0; list; list = list->next)
{
GimpPlugInDef *plug_in_def = list->data;
if (plug_in_def->needs_query)
n_plugins++;
}
if (n_plugins)
{
gint nth;
manager->write_pluginrc = TRUE;
for (list = manager->plug_in_defs, nth = 0; list; list = list->next)
{
GimpPlugInDef *plug_in_def = list->data;
if (plug_in_def->needs_query)
{
gchar *basename;
basename = g_filename_display_basename (plug_in_def->prog);
status_callback (NULL, basename,
(gdouble) nth++ / (gdouble) n_plugins);
g_free (basename);
if (manager->gimp->be_verbose)
g_print ("Querying plug-in: '%s'\n",
gimp_filename_to_utf8 (plug_in_def->prog));
gimp_plug_in_manager_call_query (manager, context, plug_in_def);
}
}
}
status_callback (NULL, "", 1.0);
}
/* initialize the plug-ins */
static void
gimp_plug_in_manager_init_plug_ins (GimpPlugInManager *manager,
GimpContext *context,
GimpInitStatusFunc status_callback)
{
GSList *list;
gint n_plugins;
status_callback (_("Initializing Plug-ins"), "", 0.0);
for (list = manager->plug_in_defs, n_plugins = 0; list; list = list->next)
{
GimpPlugInDef *plug_in_def = list->data;
if (plug_in_def->has_init)
n_plugins++;
}
if (n_plugins)
{
gint nth;
for (list = manager->plug_in_defs, nth = 0; list; list = list->next)
{
GimpPlugInDef *plug_in_def = list->data;
if (plug_in_def->has_init)
{
gchar *basename;
basename = g_filename_display_basename (plug_in_def->prog);
status_callback (NULL, basename,
(gdouble) nth++ / (gdouble) n_plugins);
g_free (basename);
if (manager->gimp->be_verbose)
g_print ("Initializing plug-in: '%s'\n",
gimp_filename_to_utf8 (plug_in_def->prog));
gimp_plug_in_manager_call_init (manager, context, plug_in_def);
}
}
}
status_callback (NULL, "", 1.0);
}
/* run automatically started extensions */
static void
gimp_plug_in_manager_run_extensions (GimpPlugInManager *manager,
GimpContext *context,
GimpInitStatusFunc status_callback)
{
Gimp *gimp = manager->gimp;
GSList *list;
GList *extensions = NULL;
gint n_extensions;
/* build list of automatically started extensions */
for (list = manager->plug_in_procedures; list; list = list->next)
{
GimpPlugInProcedure *proc = list->data;
if (proc->prog &&
GIMP_PROCEDURE (proc)->proc_type == GIMP_EXTENSION &&
GIMP_PROCEDURE (proc)->num_args == 0)
{
extensions = g_list_prepend (extensions, proc);
}
}
extensions = g_list_reverse (extensions);
n_extensions = g_list_length (extensions);
/* run the available extensions */
if (extensions)
{
GList *list;
gint nth;
status_callback (_("Starting Extensions"), "", 0.0);
for (list = extensions, nth = 0; list; list = g_list_next (list), nth++)
{
GimpPlugInProcedure *proc = list->data;
GValueArray *args;
GError *error = NULL;
if (gimp->be_verbose)
g_print ("Starting extension: '%s'\n", GIMP_OBJECT (proc)->name);
status_callback (NULL, GIMP_OBJECT (proc)->name,
(gdouble) nth / (gdouble) n_extensions);
args = g_value_array_new (0);
gimp_procedure_execute_async (GIMP_PROCEDURE (proc),
gimp, context, NULL,
args, NULL, &error);
g_value_array_free (args);
if (error)
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR,
error->message);
g_clear_error (&error);
}
}
g_list_free (extensions);
status_callback (NULL, "", 1.0);
}
}
static void
gimp_plug_in_manager_bind_text_domains (GimpPlugInManager *manager)
{
gchar **locale_domains;
gchar **locale_paths;
gint n_domains;
gint i;
n_domains = gimp_plug_in_manager_get_locale_domains (manager,
&locale_domains,
&locale_paths);
for (i = 0; i < n_domains; i++)
{
bindtextdomain (locale_domains[i], locale_paths[i]);
#ifdef HAVE_BIND_TEXTDOMAIN_CODESET
bind_textdomain_codeset (locale_domains[i], "UTF-8");
#endif
}
g_strfreev (locale_domains);
g_strfreev (locale_paths);
}
static void
gimp_plug_in_manager_add_from_file (const GimpDatafileData *file_data,
gpointer data)
{
GimpPlugInManager *manager = data;
GimpPlugInDef *plug_in_def;
GSList *list;
for (list = manager->plug_in_defs; list; list = list->next)
{
gchar *plug_in_name;
plug_in_def = list->data;
plug_in_name = g_path_get_basename (plug_in_def->prog);
if (g_ascii_strcasecmp (file_data->basename, plug_in_name) == 0)
{
g_printerr ("Skipping duplicate plug-in: '%s'\n",
gimp_filename_to_utf8 (file_data->filename));
g_free (plug_in_name);
return;
}
g_free (plug_in_name);
}
plug_in_def = gimp_plug_in_def_new (file_data->filename);
gimp_plug_in_def_set_mtime (plug_in_def, file_data->mtime);
gimp_plug_in_def_set_needs_query (plug_in_def, TRUE);
manager->plug_in_defs = g_slist_prepend (manager->plug_in_defs, plug_in_def);
}
static void
gimp_plug_in_manager_add_from_rc (GimpPlugInManager *manager,
GimpPlugInDef *plug_in_def)
{
GSList *list;
gchar *basename1;
g_return_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager));
g_return_if_fail (plug_in_def != NULL);
g_return_if_fail (plug_in_def->prog != NULL);
if (! g_path_is_absolute (plug_in_def->prog))
{
g_warning ("plug_ins_def_add_from_rc: filename not absolute (skipping)");
g_object_unref (plug_in_def);
return;
}
basename1 = g_path_get_basename (plug_in_def->prog);
/* If this is a file load or save plugin, make sure we have
* something for one of the extensions, prefixes, or magic number.
* Other bits of code rely on detecting file plugins by the
* presence of one of these things, but the raw plug-in needs to be
* able to register no extensions, prefixes or magics.
*/
for (list = plug_in_def->procedures; list; list = list->next)
{
GimpPlugInProcedure *proc = list->data;
if (! proc->extensions &&
! proc->prefixes &&
! proc->magics &&
proc->menu_paths &&
(g_str_has_prefix (proc->menu_paths->data, "<Load>") ||
g_str_has_prefix (proc->menu_paths->data, "<Save>")))
{
proc->extensions = g_strdup ("");
}
}
/* Check if the entry mentioned in pluginrc matches an executable
* found in the plug_in_path.
*/
for (list = manager->plug_in_defs; list; list = list->next)
{
GimpPlugInDef *ondisk_plug_in_def = list->data;
gchar *basename2;
basename2 = g_path_get_basename (ondisk_plug_in_def->prog);
if (! strcmp (basename1, basename2))
{
if (! g_ascii_strcasecmp (plug_in_def->prog,
ondisk_plug_in_def->prog) &&
(plug_in_def->mtime == ondisk_plug_in_def->mtime))
{
/* Use pluginrc entry, deleting on-disk entry */
list->data = plug_in_def;
g_object_unref (ondisk_plug_in_def);
}
else
{
/* Use on-disk entry, deleting pluginrc entry */
g_object_unref (plug_in_def);
}
g_free (basename2);
g_free (basename1);
return;
}
g_free (basename2);
}
g_free (basename1);
manager->write_pluginrc = TRUE;
if (manager->gimp->be_verbose)
{
g_printerr ("pluginrc lists '%s', but it wasn't found\n",
gimp_filename_to_utf8 (plug_in_def->prog));
}
g_object_unref (plug_in_def);
}
static void
gimp_plug_in_manager_add_to_db (GimpPlugInManager *manager,
GimpContext *context,
GimpPlugInProcedure *proc)
{
gimp_pdb_register_procedure (manager->gimp->pdb, GIMP_PROCEDURE (proc));
if (proc->file_proc)
{
GValueArray *return_vals;
GError *error = NULL;
if (proc->image_types)
{
return_vals =
gimp_pdb_execute_procedure_by_name (manager->gimp->pdb,
context, NULL, &error,
"gimp-register-save-handler",
G_TYPE_STRING, GIMP_OBJECT (proc)->name,
G_TYPE_STRING, proc->extensions,
G_TYPE_STRING, proc->prefixes,
G_TYPE_NONE);
}
else
{
return_vals =
gimp_pdb_execute_procedure_by_name (manager->gimp->pdb,
context, NULL, &error,
"gimp-register-magic-load-handler",
G_TYPE_STRING, GIMP_OBJECT (proc)->name,
G_TYPE_STRING, proc->extensions,
G_TYPE_STRING, proc->prefixes,
G_TYPE_STRING, proc->magics,
G_TYPE_NONE);
}
g_value_array_free (return_vals);
if (error)
{
gimp_message_literal (manager->gimp, NULL, GIMP_MESSAGE_ERROR,
error->message);
g_error_free (error);
}
}
}
static gint
gimp_plug_in_manager_file_proc_compare (gconstpointer a,
gconstpointer b,
gpointer data)
{
GimpPlugInProcedure *proc_a = GIMP_PLUG_IN_PROCEDURE (a);
GimpPlugInProcedure *proc_b = GIMP_PLUG_IN_PROCEDURE (b);
const gchar *label_a;
const gchar *label_b;
gint retval = 0;
if (g_str_has_prefix (proc_a->prog, "gimp-xcf"))
return -1;
if (g_str_has_prefix (proc_b->prog, "gimp-xcf"))
return 1;
label_a = gimp_plug_in_procedure_get_label (proc_a);
label_b = gimp_plug_in_procedure_get_label (proc_b);
if (label_a && label_b)
retval = g_utf8_collate (label_a, label_b);
return retval;
}
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