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/*
fe-common-core.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"
#include "modules-load.h"
#include "module-formats.h"
#include "signals.h"
#include "commands.h"
#include "levels.h"
#include "chat-protocols.h"
#include "printtext.h"
#ifdef HAVE_GMODULE
static void sig_module_error(void *number, const char *data,
const char *rootmodule, const char *submodule)
{
switch (GPOINTER_TO_INT(number)) {
case MODULE_ERROR_ALREADY_LOADED:
printformat(NULL, NULL, MSGLEVEL_CLIENTERROR,
TXT_MODULE_ALREADY_LOADED, rootmodule, submodule);
break;
case MODULE_ERROR_LOAD:
printformat(NULL, NULL, MSGLEVEL_CLIENTERROR,
TXT_MODULE_LOAD_ERROR, rootmodule, submodule, data);
break;
case MODULE_ERROR_INVALID:
printformat(NULL, NULL, MSGLEVEL_CLIENTERROR,
TXT_MODULE_INVALID, rootmodule, submodule);
break;
}
}
static void sig_module_loaded(MODULE_REC *module, MODULE_FILE_REC *file)
{
printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
TXT_MODULE_LOADED, module->name, file->name);
}
static void sig_module_unloaded(MODULE_REC *module, MODULE_FILE_REC *file)
{
if (file != NULL && file->gmodule != NULL) {
printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
TXT_MODULE_UNLOADED, module->name, file->name);
}
}
static int module_list_sub(MODULE_REC *module, int mark_type,
GString *submodules)
{
GSList *tmp;
int all_dynamic, dynamic;
g_string_truncate(submodules, 0);
all_dynamic = -1;
for (tmp = module->files; tmp != NULL; tmp = tmp->next) {
MODULE_FILE_REC *file = tmp->data;
/* if there's dynamic and static modules mixed, we'll need
to specify them separately */
if (!mark_type) {
dynamic = file->gmodule != NULL;
if (all_dynamic != -1 && all_dynamic != dynamic) {
return module_list_sub(module, TRUE,
submodules);
}
all_dynamic = dynamic;
}
if (submodules->len > 0)
g_string_append_c(submodules, ' ');
g_string_append(submodules, file->name);
if (mark_type) {
g_string_append(submodules, file->gmodule == NULL ?
" (static)" : " (dynamic)");
}
}
return all_dynamic;
}
static void cmd_load_list(void)
{
GSList *tmp;
GString *submodules;
const char *type;
int dynamic;
submodules = g_string_new(NULL);
printformat(NULL, NULL, MSGLEVEL_CLIENTCRAP, TXT_MODULE_HEADER);
for (tmp = modules; tmp != NULL; tmp = tmp->next) {
MODULE_REC *rec = tmp->data;
dynamic = module_list_sub(rec, FALSE, submodules);
type = dynamic == -1 ? "mixed" :
dynamic ? "dynamic" : "static";
printformat(NULL, NULL, MSGLEVEL_CLIENTCRAP,
TXT_MODULE_LINE, rec->name, type, submodules->str);
}
printformat(NULL, NULL, MSGLEVEL_CLIENTCRAP, TXT_MODULE_FOOTER);
g_string_free(submodules, TRUE);
}
static char **module_prefixes_get(void)
{
GSList *tmp;
char **list, *name;
int count;
list = g_new(char *, 2 + 2*g_slist_length(chat_protocols));
list[0] = "fe";
count = 1;
for (tmp = chat_protocols; tmp != NULL; tmp = tmp->next) {
CHAT_PROTOCOL_REC *rec = tmp->data;
name = g_strdup(rec->name);
g_strdown(name);
list[count++] = name;
list[count++] = g_strconcat("fe_", name, NULL);
}
list[count] = NULL;
return list;
}
static void module_prefixes_free(char **list)
{
char **pos = list+1;
while (*pos != NULL) {
g_free(*pos);
pos++;
}
g_free(list);
}
/* SYNTAX: LOAD <module> [<submodule>] */
static void cmd_load(const char *data)
{
char *rootmodule, *submodule;
char **module_prefixes;
void *free_arg;
g_return_if_fail(data != NULL);
if (!cmd_get_params(data, &free_arg, 2 , &rootmodule, &submodule))
return;
if (*rootmodule == '\0')
cmd_load_list();
else {
module_prefixes = module_prefixes_get();
if (*submodule == '\0')
module_load(rootmodule, module_prefixes);
else {
module_load_sub(rootmodule, submodule,
module_prefixes);
}
module_prefixes_free(module_prefixes);
}
cmd_params_free(free_arg);
}
/* SYNTAX: UNLOAD <module> [<submodule>] */
static void cmd_unload(const char *data)
{
MODULE_REC *module;
MODULE_FILE_REC *file;
char *rootmodule, *submodule;
void *free_arg;
g_return_if_fail(data != NULL);
if (!cmd_get_params(data, &free_arg, 2 , &rootmodule, &submodule))
return;
if (*rootmodule == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
module = module_find(rootmodule);
if (module != NULL) {
if (*submodule == '\0')
module_unload(module);
else {
file = module_file_find(module, submodule);
if (file != NULL)
module_file_unload(file);
else
module = NULL;
}
}
if (module == NULL) {
printformat(NULL, NULL, MSGLEVEL_CLIENTERROR,
TXT_MODULE_NOT_LOADED, rootmodule, submodule);
}
cmd_params_free(free_arg);
}
void fe_modules_init(void)
{
signal_add("module error", (SIGNAL_FUNC) sig_module_error);
signal_add("module loaded", (SIGNAL_FUNC) sig_module_loaded);
signal_add("module unloaded", (SIGNAL_FUNC) sig_module_unloaded);
command_bind("load", NULL, (SIGNAL_FUNC) cmd_load);
command_bind("unload", NULL, (SIGNAL_FUNC) cmd_unload);
}
void fe_modules_deinit(void)
{
signal_remove("module error", (SIGNAL_FUNC) sig_module_error);
signal_remove("module loaded", (SIGNAL_FUNC) sig_module_loaded);
signal_remove("module unloaded", (SIGNAL_FUNC) sig_module_unloaded);
command_unbind("load", (SIGNAL_FUNC) cmd_load);
command_unbind("unload", (SIGNAL_FUNC) cmd_unload);
}
#else /* !HAVE_GMODULE */
static void cmd_load(const char *data)
{
printtext(NULL, NULL, MSGLEVEL_CLIENTERROR,
"Dynamic modules loading not supported");
}
void fe_modules_init(void)
{
command_bind("load", NULL, (SIGNAL_FUNC) cmd_load);
}
void fe_modules_deinit(void)
{
command_unbind("load", (SIGNAL_FUNC) cmd_load);
}
#endif
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