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git-svn-id: http://svn.irssi.org/repos/irssi/trunk@171 dbcabf3a-b0e7-0310-adc4-f8d773084564
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Timo Sirainen 2000-04-26 08:03:38 +00:00 • committed by cras
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src/core/modules.c Normal file
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/*
modules.c : irssi
Copyright (C) 1999-2000 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"
static GHashTable *uniqids, *uniqstrids;
static GHashTable *idlookup, *stridlookup;
static int next_uniq_id;
/* return unique number across all modules for `id' */
int module_get_uniq_id(const char *module, int id)
{
GHashTable *ids;
gpointer origkey, uniqid;
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);
}
if (!g_hash_table_lookup_extended(ids, GINT_TO_POINTER(id), &origkey, &uniqid)) {
/* not found */
ret = next_uniq_id++;
g_hash_table_insert(ids, GINT_TO_POINTER(id), GINT_TO_POINTER(ret));
g_hash_table_insert(uniqids, GINT_TO_POINTER(ret), GINT_TO_POINTER(id));
} 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 *ids;
gpointer origkey, id;
int ret;
g_return_val_if_fail(module != NULL, -1);
ret = g_hash_table_lookup_extended(uniqids, GINT_TO_POINTER(uniqid), &origkey, &id) ?
GPOINTER_TO_INT(id) : -1;
if (ret != -1) {
/* check that module matches */
ids = g_hash_table_lookup(idlookup, module);
if (ids == NULL || !g_hash_table_lookup_extended(ids, GINT_TO_POINTER(ret), &origkey, &id))
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 *ids;
gpointer origkey, id;
const char *ret;
g_return_val_if_fail(module != NULL, NULL);
ret = g_hash_table_lookup_extended(uniqstrids, GINT_TO_POINTER(uniqid),
&origkey, &id) ? id : NULL;
if (ret != NULL) {
/* check that module matches */
ids = g_hash_table_lookup(stridlookup, module);
if (ids == NULL || !g_hash_table_lookup_extended(ids, GINT_TO_POINTER(ret), &origkey, &id))
ret = NULL;
}
return ret;
}
static void gh_uniq_destroy(gpointer key, gpointer value)
{
g_hash_table_remove(uniqids, value);
}
static void gh_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 *ids;
gpointer key;
if (g_hash_table_lookup_extended(idlookup, module, &key, (gpointer *) &ids)) {
g_hash_table_remove(idlookup, key);
g_free(key);
g_hash_table_foreach(ids, (GHFunc) gh_uniq_destroy, NULL);
g_hash_table_destroy(ids);
}
if (g_hash_table_lookup_extended(stridlookup, module, &key, (gpointer *) &ids)) {
g_hash_table_remove(stridlookup, key);
g_free(key);
g_hash_table_foreach(ids, (GHFunc) gh_uniq_destroy_str, NULL);
g_hash_table_destroy(ids);
}
}
void modules_init(void)
{
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)
{
g_hash_table_foreach(idlookup, (GHFunc) module_uniq_destroy, NULL);
g_hash_table_destroy(idlookup);
g_hash_table_destroy(uniqids);
g_hash_table_foreach(stridlookup, (GHFunc) module_uniq_destroy, NULL);
g_hash_table_destroy(stridlookup);
g_hash_table_destroy(uniqstrids);
}