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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-shell-registry.c
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "e-shell-registry.h"
static GList *loaded_modules;
static GHashTable *modules_by_name;
static GHashTable *modules_by_scheme;
static void
shell_registry_insert_items (GHashTable *hash_table,
const gchar *items,
EShellModule *shell_module)
{
gpointer key;
gchar **strv;
gint ii;
strv = g_strsplit_set (items, ":", -1);
for (ii = 0; strv[ii] != NULL; ii++) {
key = (gpointer) g_intern_string (strv[ii]);
g_hash_table_insert (hash_table, key, shell_module);
}
g_strfreev (strv);
}
static void
shell_registry_query_module (EShell *shell,
const gchar *filename)
{
EShellModule *shell_module;
EShellModuleInfo *info;
const gchar *string;
shell_module = e_shell_module_new (shell, filename);
if (!g_type_module_use (G_TYPE_MODULE (shell_module))) {
g_critical ("Failed to load module: %s", filename);
g_object_unref (shell_module);
return;
}
loaded_modules = g_list_insert_sorted (
loaded_modules, shell_module,
(GCompareFunc) e_shell_module_compare);
/* Bookkeeping */
info = (EShellModuleInfo *) shell_module->priv;
if ((string = info->name) != NULL)
g_hash_table_insert (
modules_by_name, (gpointer)
g_intern_string (string), shell_module);
if ((string = info->aliases) != NULL)
shell_registry_insert_items (
modules_by_name, string, shell_module);
if ((string = info->schemes) != NULL)
shell_registry_insert_items (
modules_by_scheme, string, shell_module);
}
void
e_shell_registry_init (EShell *shell)
{
GDir *dir;
const gchar *dirname;
const gchar *basename;
GError *error = NULL;
g_return_if_fail (E_IS_SHELL (shell));
g_return_if_fail (loaded_modules == NULL);
modules_by_name = g_hash_table_new (g_str_hash, g_str_equal);
modules_by_scheme = g_hash_table_new (g_str_hash, g_str_equal);
dirname = EVOLUTION_MODULEDIR;
dir = g_dir_open (dirname, 0, &error);
if (dir == NULL) {
g_critical ("%s", error->message);
g_error_free (error);
return;
}
while ((basename = g_dir_read_name (dir)) != NULL) {
gchar *filename;
if (!g_str_has_suffix (basename, "." G_MODULE_SUFFIX))
continue;
filename = g_build_filename (dirname, basename, NULL);
shell_registry_query_module (shell, filename);
g_free (filename);
}
g_dir_close (dir);
}
GList *
e_shell_registry_list_modules (void)
{
return loaded_modules;
}
const gchar *
e_shell_registry_get_canonical_name (const gchar *name)
{
EShellModule *shell_module;
/* Handle NULL arguments silently. */
if (name == NULL)
return NULL;
shell_module = e_shell_registry_get_module_by_name (name);
if (shell_module == NULL)
return NULL;
return G_TYPE_MODULE (shell_module)->name;
}
EShellModule *
e_shell_registry_get_module_by_name (const gchar *name)
{
g_return_val_if_fail (name != NULL, NULL);
return g_hash_table_lookup (modules_by_name, name);
}
EShellModule *
e_shell_registry_get_module_by_scheme (const gchar *scheme)
{
g_return_val_if_fail (scheme != NULL, NULL);
return g_hash_table_lookup (modules_by_scheme, scheme);
}
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