+++ /dev/null
-/*
- modules.c : irssi
-
- Copyright (C) 1999-2001 Timo Sirainen
-
- 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 "module.h"
-#include "modules.h"
-#include "signals.h"
-
-GSList *modules;
-
-static GHashTable *uniqids, *uniqstrids;
-static GHashTable *idlookup, *stridlookup;
-static int next_uniq_id;
-
-void *module_check_cast(void *object, int type_pos, const char *id)
-{
- return object == NULL || module_find_id(id,
- G_STRUCT_MEMBER(int, object, type_pos)) == -1 ? NULL : object;
-}
-
-void *module_check_cast_module(void *object, int type_pos,
- const char *module, const char *id)
-{
- const char *str;
-
- if (object == NULL)
- return NULL;
-
- str = module_find_id_str(module,
- G_STRUCT_MEMBER(int, object, type_pos));
- return str == NULL || strcmp(str, id) != 0 ? NULL : object;
-}
-
-/* return unique number across all modules for `id' */
-int module_get_uniq_id(const char *module, int id)
-{
- GHashTable *ids;
- gpointer origkey, uniqid, idp;
- int ret;
-
- g_return_val_if_fail(module != NULL, -1);
-
- ids = g_hash_table_lookup(idlookup, module);
- if (ids == NULL) {
- /* new module */
- ids = g_hash_table_new((GHashFunc) g_direct_hash,
- (GCompareFunc) g_direct_equal);
- g_hash_table_insert(idlookup, g_strdup(module), ids);
- }
-
- idp = GINT_TO_POINTER(id);
- if (!g_hash_table_lookup_extended(ids, idp, &origkey, &uniqid)) {
- /* not found */
- ret = next_uniq_id++;
- g_hash_table_insert(ids, idp, GINT_TO_POINTER(ret));
- g_hash_table_insert(uniqids, GINT_TO_POINTER(ret), idp);
- } else {
- ret = GPOINTER_TO_INT(uniqid);
- }
-
- return ret;
-}
-
-/* return unique number across all modules for `id' */
-int module_get_uniq_id_str(const char *module, const char *id)
-{
- GHashTable *ids;
- gpointer origkey, uniqid;
- int ret;
-
- g_return_val_if_fail(module != NULL, -1);
-
- ids = g_hash_table_lookup(stridlookup, module);
- if (ids == NULL) {
- /* new module */
- ids = g_hash_table_new((GHashFunc) g_str_hash,
- (GCompareFunc) g_str_equal);
- g_hash_table_insert(stridlookup, g_strdup(module), ids);
- }
-
- if (!g_hash_table_lookup_extended(ids, id, &origkey, &uniqid)) {
- /* not found */
- char *saveid;
-
- saveid = g_strdup(id);
- ret = next_uniq_id++;
- g_hash_table_insert(ids, saveid, GINT_TO_POINTER(ret));
- g_hash_table_insert(uniqstrids, GINT_TO_POINTER(ret), saveid);
- } else {
- ret = GPOINTER_TO_INT(uniqid);
- }
-
- return ret;
-}
-
-/* returns the original module specific id, -1 = not found */
-int module_find_id(const char *module, int uniqid)
-{
- GHashTable *idlist;
- gpointer origkey, id;
- int ret;
-
- g_return_val_if_fail(module != NULL, -1);
-
- if (!g_hash_table_lookup_extended(uniqids, GINT_TO_POINTER(uniqid),
- &origkey, &id))
- return -1;
-
- /* check that module matches */
- idlist = g_hash_table_lookup(idlookup, module);
- if (idlist == NULL)
- return -1;
-
- ret = GPOINTER_TO_INT(id);
- if (!g_hash_table_lookup_extended(idlist, id, &origkey, &id) ||
- GPOINTER_TO_INT(id) != uniqid)
- ret = -1;
-
- return ret;
-}
-
-/* returns the original module specific id, NULL = not found */
-const char *module_find_id_str(const char *module, int uniqid)
-{
- GHashTable *idlist;
- gpointer origkey, id;
- const char *ret;
-
- g_return_val_if_fail(module != NULL, NULL);
-
- if (!g_hash_table_lookup_extended(uniqstrids, GINT_TO_POINTER(uniqid),
- &origkey, &id))
- return NULL;
-
- /* check that module matches */
- idlist = g_hash_table_lookup(stridlookup, module);
- if (idlist == NULL)
- return NULL;
-
- ret = id;
- if (!g_hash_table_lookup_extended(idlist, id, &origkey, &id) ||
- GPOINTER_TO_INT(id) != uniqid)
- ret = NULL;
-
- return ret;
-}
-
-static void uniq_destroy(gpointer key, gpointer value)
-{
- g_hash_table_remove(uniqids, value);
-}
-
-static void uniq_destroy_str(gpointer key, gpointer value)
-{
- g_hash_table_remove(uniqstrids, value);
- g_free(key);
-}
-
-/* Destroy unique IDs from `module'. This function is automatically called
- when module is destroyed with module's name as the parameter. */
-void module_uniq_destroy(const char *module)
-{
- GHashTable *idlist;
- gpointer key, value;
-
- if (g_hash_table_lookup_extended(idlookup, module, &key, &value)) {
- idlist = value;
-
- g_hash_table_remove(idlookup, key);
- g_free(key);
-
- g_hash_table_foreach(idlist, (GHFunc) uniq_destroy, NULL);
- g_hash_table_destroy(idlist);
- }
-
- if (g_hash_table_lookup_extended(stridlookup, module, &key, &value)) {
- idlist = value;
-
- g_hash_table_remove(stridlookup, key);
- g_free(key);
-
- g_hash_table_foreach(idlist, (GHFunc) uniq_destroy_str, NULL);
- g_hash_table_destroy(idlist);
- }
-}
-
-/* Register a new module. The `name' is the root module name, `submodule'
- specifies the current module to be registered (eg. "perl", "fe").
- The module is registered as statically loaded by default. */
-MODULE_FILE_REC *module_register_full(const char *name, const char *submodule,
- const char *defined_module_name)
-{
- MODULE_REC *module;
- MODULE_FILE_REC *file;
-
- module = module_find(name);
- if (module == NULL) {
- module = g_new0(MODULE_REC, 1);
- module->name = g_strdup(name);
-
- modules = g_slist_append(modules, module);
- }
-
- file = module_file_find(module, submodule);
- if (file != NULL)
- return file;
-
- file = g_new0(MODULE_FILE_REC, 1);
- file->root = module;
- file->name = g_strdup(submodule);
- file->defined_module_name = g_strdup(defined_module_name);
-
- module->files = g_slist_append(module->files, file);
- return file;
-}
-
-MODULE_REC *module_find(const char *name)
-{
- GSList *tmp;
-
- for (tmp = modules; tmp != NULL; tmp = tmp->next) {
- MODULE_REC *rec = tmp->data;
-
- if (g_strcasecmp(rec->name, name) == 0)
- return rec;
- }
-
- return NULL;
-}
-
-MODULE_FILE_REC *module_file_find(MODULE_REC *module, const char *name)
-{
- GSList *tmp;
-
- for (tmp = module->files; tmp != NULL; tmp = tmp->next) {
- MODULE_FILE_REC *rec = tmp->data;
-
- if (strcmp(rec->name, name) == 0)
- return rec;
- }
-
- return NULL;
-}
-
-static void uniq_get_modules(char *key, void *value, GSList **list)
-{
- *list = g_slist_append(*list, g_strdup(key));
-}
-
-void modules_init(void)
-{
- modules = NULL;
-
- idlookup = g_hash_table_new((GHashFunc) g_str_hash,
- (GCompareFunc) g_str_equal);
- uniqids = g_hash_table_new((GHashFunc) g_direct_hash,
- (GCompareFunc) g_direct_equal);
-
- stridlookup = g_hash_table_new((GHashFunc) g_str_hash,
- (GCompareFunc) g_str_equal);
- uniqstrids = g_hash_table_new((GHashFunc) g_direct_hash,
- (GCompareFunc) g_direct_equal);
- next_uniq_id = 0;
-}
-
-void modules_deinit(void)
-{
- GSList *list;
-
- list = NULL;
- g_hash_table_foreach(idlookup, (GHFunc) uniq_get_modules, &list);
- g_hash_table_foreach(stridlookup, (GHFunc) uniq_get_modules, &list);
-
- while (list != NULL) {
- module_uniq_destroy(list->data);
- g_free(list->data);
- list = g_slist_remove(list, list->data);
- }
-
- g_hash_table_destroy(idlookup);
- g_hash_table_destroy(stridlookup);
- g_hash_table_destroy(uniqids);
- g_hash_table_destroy(uniqstrids);
-}
projects / runtime.git / blobdiff