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https://github.com/irssi/irssi.git
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1006 lines
23 KiB
C
1006 lines
23 KiB
C
/*
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commands.c : irssi
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Copyright (C) 1999-2000 Timo Sirainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "module.h"
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#include "signals.h"
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#include "commands.h"
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#include "misc.h"
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#include "special-vars.h"
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#include "window-item-def.h"
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#include "servers.h"
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#include "channels.h"
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#include "lib-config/iconfig.h"
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#include "settings.h"
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GSList *commands;
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char *current_command;
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static int signal_default_command;
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static GSList *alias_runstack;
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COMMAND_REC *command_find(const char *cmd)
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{
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GSList *tmp;
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g_return_val_if_fail(cmd != NULL, NULL);
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for (tmp = commands; tmp != NULL; tmp = tmp->next) {
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COMMAND_REC *rec = tmp->data;
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if (g_ascii_strcasecmp(rec->cmd, cmd) == 0)
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return rec;
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}
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return NULL;
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}
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static COMMAND_MODULE_REC *command_module_find(COMMAND_REC *rec,
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const char *module)
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{
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GSList *tmp;
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g_return_val_if_fail(rec != NULL, NULL);
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g_return_val_if_fail(module != NULL, NULL);
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for (tmp = rec->modules; tmp != NULL; tmp = tmp->next) {
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COMMAND_MODULE_REC *rec = tmp->data;
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if (g_ascii_strcasecmp(rec->name, module) == 0)
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return rec;
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}
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return NULL;
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}
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static COMMAND_MODULE_REC *
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command_module_find_and_remove(COMMAND_REC *rec, SIGNAL_FUNC func)
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{
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GSList *tmp, *tmp2;
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g_return_val_if_fail(rec != NULL, NULL);
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g_return_val_if_fail(func != NULL, NULL);
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for (tmp = rec->modules; tmp != NULL; tmp = tmp->next) {
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COMMAND_MODULE_REC *rec = tmp->data;
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for (tmp2 = rec->callbacks; tmp2 != NULL; tmp2 = tmp2->next) {
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COMMAND_CALLBACK_REC *cb = tmp2->data;
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if (cb->func == func) {
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rec->callbacks =
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g_slist_remove(rec->callbacks, cb);
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g_free(cb);
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return rec;
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}
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}
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}
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return NULL;
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}
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int command_have_sub(const char *command)
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{
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GSList *tmp;
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int len;
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g_return_val_if_fail(command != NULL, FALSE);
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/* find "command "s */
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len = strlen(command);
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for (tmp = commands; tmp != NULL; tmp = tmp->next) {
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COMMAND_REC *rec = tmp->data;
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if (g_ascii_strncasecmp(rec->cmd, command, len) == 0 &&
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rec->cmd[len] == ' ')
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return TRUE;
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}
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return FALSE;
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}
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static COMMAND_MODULE_REC *
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command_module_get(COMMAND_REC *rec, const char *module, int protocol)
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{
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COMMAND_MODULE_REC *modrec;
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g_return_val_if_fail(rec != NULL, NULL);
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modrec = command_module_find(rec, module);
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if (modrec == NULL) {
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modrec = g_new0(COMMAND_MODULE_REC, 1);
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modrec->name = g_strdup(module);
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modrec->protocol = -1;
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rec->modules = g_slist_append(rec->modules, modrec);
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}
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if (protocol != -1)
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modrec->protocol = protocol;
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return modrec;
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}
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void command_bind_full(const char *module, int priority, const char *cmd,
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int protocol, const char *category, SIGNAL_FUNC func,
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void *user_data)
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{
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COMMAND_REC *rec;
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COMMAND_MODULE_REC *modrec;
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COMMAND_CALLBACK_REC *cb;
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char *str;
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g_return_if_fail(module != NULL);
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g_return_if_fail(cmd != NULL);
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rec = command_find(cmd);
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if (rec == NULL) {
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rec = g_new0(COMMAND_REC, 1);
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rec->cmd = g_strdup(cmd);
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rec->category = category == NULL ? NULL : g_strdup(category);
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commands = g_slist_append(commands, rec);
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}
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modrec = command_module_get(rec, module, protocol);
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cb = g_new0(COMMAND_CALLBACK_REC, 1);
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cb->func = func;
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cb->user_data = user_data;
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modrec->callbacks = g_slist_append(modrec->callbacks, cb);
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if (func != NULL) {
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str = g_strconcat("command ", cmd, NULL);
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signal_add_full(module, priority, str, func, user_data);
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g_free(str);
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}
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signal_emit("commandlist new", 1, rec);
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}
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static void command_free(COMMAND_REC *rec)
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{
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commands = g_slist_remove(commands, rec);
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signal_emit("commandlist remove", 1, rec);
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g_free_not_null(rec->category);
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g_strfreev(rec->options);
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g_free(rec->cmd);
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g_free(rec);
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}
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static void command_module_free(COMMAND_MODULE_REC *modrec, COMMAND_REC *rec)
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{
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rec->modules = g_slist_remove(rec->modules, modrec);
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g_slist_foreach(modrec->callbacks, (GFunc) g_free, NULL);
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g_slist_free(modrec->callbacks);
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g_free(modrec->name);
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g_free_not_null(modrec->options);
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g_free(modrec);
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}
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static void command_module_destroy(COMMAND_REC *rec,
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COMMAND_MODULE_REC *modrec)
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{
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GSList *tmp, *freelist;
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command_module_free(modrec, rec);
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/* command_set_options() might have added module declaration of it's
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own without any signals .. check if they're the only ones left
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and if so, destroy them. */
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freelist = NULL;
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for (tmp = rec->modules; tmp != NULL; tmp = tmp->next) {
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COMMAND_MODULE_REC *rec = tmp->data;
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if (rec->callbacks == NULL)
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freelist = g_slist_append(freelist, rec);
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else {
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g_slist_free(freelist);
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freelist = NULL;
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break;
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}
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}
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g_slist_foreach(freelist, (GFunc) command_module_free, rec);
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g_slist_free(freelist);
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if (rec->modules == NULL)
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command_free(rec);
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}
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void command_unbind_full(const char *cmd, SIGNAL_FUNC func, void *user_data)
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{
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COMMAND_REC *rec;
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COMMAND_MODULE_REC *modrec;
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char *str;
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g_return_if_fail(cmd != NULL);
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g_return_if_fail(func != NULL);
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rec = command_find(cmd);
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if (rec != NULL) {
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modrec = command_module_find_and_remove(rec, func);
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g_return_if_fail(modrec != NULL);
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if (modrec->callbacks == NULL)
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command_module_destroy(rec, modrec);
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}
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str = g_strconcat("command ", cmd, NULL);
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signal_remove_data(str, func, user_data);
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g_free(str);
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}
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/* Expand `cmd' - returns `cmd' if not found, NULL if more than one
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match is found */
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static const char *command_expand(char *cmd)
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{
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GSList *tmp;
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const char *match;
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int len, multiple;
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g_return_val_if_fail(cmd != NULL, NULL);
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multiple = FALSE;
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match = NULL;
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len = strlen(cmd);
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for (tmp = commands; tmp != NULL; tmp = tmp->next) {
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COMMAND_REC *rec = tmp->data;
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if (g_ascii_strncasecmp(rec->cmd, cmd, len) == 0 &&
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strchr(rec->cmd+len, ' ') == NULL) {
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if (rec->cmd[len] == '\0') {
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/* full match */
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return rec->cmd;
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}
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if (match != NULL) {
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/* multiple matches, we still need to check
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if there's some command left that is a
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full match.. */
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multiple = TRUE;
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}
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/* check that this is the only match */
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match = rec->cmd;
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}
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}
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if (multiple) {
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signal_emit("error command", 2,
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GINT_TO_POINTER(CMDERR_AMBIGUOUS), cmd);
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return NULL;
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}
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return match != NULL ? match : cmd;
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}
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void command_runsub(const char *cmd, const char *data,
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void *server, void *item)
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{
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const char *newcmd;
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char *orig, *subcmd, *defcmd, *args;
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g_return_if_fail(data != NULL);
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while (*data == ' ') data++;
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if (*data == '\0') {
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/* no subcommand given - list the subcommands */
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signal_emit("list subcommands", 2, cmd);
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return;
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}
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/* get command.. */
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orig = subcmd = g_strdup_printf("command %s %s", cmd, data);
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args = strchr(subcmd+8 + strlen(cmd)+1, ' ');
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if (args != NULL) *args++ = '\0'; else args = "";
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while (*args == ' ') args++;
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/* check if this command can be expanded */
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newcmd = command_expand(subcmd+8);
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if (newcmd == NULL) {
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/* ambiguous command */
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g_free(orig);
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return;
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}
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subcmd = g_strconcat("command ", newcmd, NULL);
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ascii_strdown(subcmd);
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if (!signal_emit(subcmd, 3, args, server, item)) {
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defcmd = g_strdup_printf("default command %s", cmd);
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if (!signal_emit(defcmd, 3, data, server, item)) {
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signal_emit("error command", 2,
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GINT_TO_POINTER(CMDERR_UNKNOWN), subcmd+8);
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}
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g_free(defcmd);
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}
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g_free(subcmd);
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g_free(orig);
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}
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static GSList *optlist_find(GSList *optlist, const char *option)
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{
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while (optlist != NULL) {
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char *name = optlist->data;
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if (iscmdtype(*name)) name++;
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if (g_ascii_strcasecmp(name, option) == 0)
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return optlist;
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optlist = optlist->next;
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}
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return NULL;
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}
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int command_have_option(const char *cmd, const char *option)
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{
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COMMAND_REC *rec;
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char **tmp;
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g_return_val_if_fail(cmd != NULL, FALSE);
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g_return_val_if_fail(option != NULL, FALSE);
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rec = command_find(cmd);
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g_return_val_if_fail(rec != NULL, FALSE);
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if (rec->options == NULL)
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return FALSE;
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for (tmp = rec->options; *tmp != NULL; tmp++) {
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char *name = iscmdtype(**tmp) ? (*tmp)+1 : *tmp;
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if (g_ascii_strcasecmp(name, option) == 0)
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return TRUE;
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}
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return FALSE;
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}
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static void command_calc_options(COMMAND_REC *rec, const char *options)
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{
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char **optlist, **tmp, *name, *str;
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GSList *list, *oldopt;
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optlist = g_strsplit(options, " ", -1);
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if (rec->options == NULL) {
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/* first call - use specified args directly */
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rec->options = optlist;
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return;
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}
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/* save old options to linked list */
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list = NULL;
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for (tmp = rec->options; *tmp != NULL; tmp++)
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list = g_slist_append(list, g_strdup(*tmp));
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g_strfreev(rec->options);
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/* merge the options */
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for (tmp = optlist; *tmp != NULL; tmp++) {
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name = iscmdtype(**tmp) ? (*tmp)+1 : *tmp;
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oldopt = optlist_find(list, name);
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if (oldopt != NULL) {
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/* already specified - overwrite old definition */
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g_free(oldopt->data);
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oldopt->data = g_strdup(*tmp);
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} else {
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/* new option, append to list */
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list = g_slist_append(list, g_strdup(*tmp));
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}
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}
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g_strfreev(optlist);
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/* linked list -> string[] */
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str = gslist_to_string(list, " ");
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rec->options = g_strsplit(str, " ", -1);
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g_free(str);
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g_slist_foreach(list, (GFunc) g_free, NULL);
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g_slist_free(list);
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}
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/* recalculate options to command from options in all modules */
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static void command_update_options(COMMAND_REC *rec)
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{
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GSList *tmp;
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g_strfreev(rec->options);
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rec->options = NULL;
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for (tmp = rec->modules; tmp != NULL; tmp = tmp->next) {
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COMMAND_MODULE_REC *modrec = tmp->data;
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if (modrec->options != NULL)
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command_calc_options(rec, modrec->options);
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}
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}
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void command_set_options_module(const char *module,
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const char *cmd, const char *options)
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{
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COMMAND_REC *rec;
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COMMAND_MODULE_REC *modrec;
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int reload;
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g_return_if_fail(module != NULL);
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g_return_if_fail(cmd != NULL);
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g_return_if_fail(options != NULL);
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rec = command_find(cmd);
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g_return_if_fail(rec != NULL);
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modrec = command_module_get(rec, module, -1);
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reload = modrec->options != NULL;
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if (reload) {
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/* options already set for the module ..
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we need to recalculate everything */
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g_free(modrec->options);
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}
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modrec->options = g_strdup(options);
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if (reload)
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command_update_options(rec);
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else
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command_calc_options(rec, options);
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}
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char *cmd_get_param(char **data)
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{
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char *pos;
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g_return_val_if_fail(data != NULL, NULL);
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g_return_val_if_fail(*data != NULL, NULL);
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while (**data == ' ') (*data)++;
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pos = *data;
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while (**data != '\0' && **data != ' ') (*data)++;
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if (**data == ' ') *(*data)++ = '\0';
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return pos;
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}
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char *cmd_get_quoted_param(char **data)
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{
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char *pos, quote;
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g_return_val_if_fail(data != NULL, NULL);
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g_return_val_if_fail(*data != NULL, NULL);
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while (**data == ' ') (*data)++;
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if (**data != '\'' && **data != '"')
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return cmd_get_param(data);
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quote = **data; (*data)++;
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pos = *data;
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while (**data != '\0' && (**data != quote ||
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((*data)[1] != ' ' && (*data)[1] != '\0'))) {
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if (**data == '\\' && (*data)[1] != '\0')
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g_memmove(*data, (*data)+1, strlen(*data));
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(*data)++;
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}
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if (**data == quote) {
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*(*data)++ = '\0';
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if (**data == ' ')
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(*data)++;
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}
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return pos;
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}
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/* Find specified option from list of options - the `option' might be
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shortened version of the full command. Returns index where the
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option was found, -1 if not found or -2 if there was multiple matches. */
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static int option_find(char **array, const char *option)
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{
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char **tmp;
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int index, found, len, multiple;
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g_return_val_if_fail(array != NULL, -1);
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g_return_val_if_fail(option != NULL, -1);
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len = strlen(option);
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found = -1; index = 0; multiple = FALSE;
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for (tmp = array; *tmp != NULL; tmp++, index++) {
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const char *text = *tmp + iscmdtype(**tmp);
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if (g_ascii_strncasecmp(text, option, len) == 0) {
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if (text[len] == '\0') {
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/* full match */
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return index;
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}
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if (found != -1) {
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/* multiple matches - we still need to check
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if there's a full match left.. */
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multiple = TRUE;
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}
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/* partial match, check that it's the only one */
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found = index;
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}
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}
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if (multiple)
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return -2;
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return found;
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}
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static int get_cmd_options(char **data, int ignore_unknown,
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const char *cmd, GHashTable *options)
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{
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COMMAND_REC *rec;
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char *option, *arg, **optlist;
|
|
int pos;
|
|
|
|
/* get option definitions */
|
|
rec = cmd == NULL ? NULL : command_find(cmd);
|
|
optlist = rec == NULL ? NULL : rec->options;
|
|
|
|
option = NULL; pos = -1;
|
|
for (;;) {
|
|
if (**data == '-') {
|
|
if (option != NULL && *optlist[pos] == '+') {
|
|
/* required argument missing! */
|
|
*data = optlist[pos] + 1;
|
|
return CMDERR_OPTION_ARG_MISSING;
|
|
}
|
|
|
|
(*data)++;
|
|
if (**data == '-' && (*data)[1] == ' ') {
|
|
/* -- option means end of options even
|
|
if next word starts with - */
|
|
(*data)++;
|
|
while (**data == ' ') (*data)++;
|
|
break;
|
|
}
|
|
|
|
if (**data == '\0')
|
|
option = "-";
|
|
else if (**data != ' ')
|
|
option = cmd_get_param(data);
|
|
else {
|
|
option = "-";
|
|
(*data)++;
|
|
}
|
|
|
|
/* check if this option can have argument */
|
|
pos = optlist == NULL ? -1 :
|
|
option_find(optlist, option);
|
|
|
|
if (pos == -1 && optlist != NULL &&
|
|
is_numeric(option, '\0')) {
|
|
/* check if we want -<number> option */
|
|
pos = option_find(optlist, "#");
|
|
if (pos != -1) {
|
|
g_hash_table_insert(options, "#",
|
|
option);
|
|
pos = -3;
|
|
}
|
|
}
|
|
|
|
if (pos == -1 && !ignore_unknown) {
|
|
/* unknown option! */
|
|
*data = option;
|
|
return CMDERR_OPTION_UNKNOWN;
|
|
}
|
|
if (pos == -2 && !ignore_unknown) {
|
|
/* multiple matches */
|
|
*data = option;
|
|
return CMDERR_OPTION_AMBIGUOUS;
|
|
}
|
|
if (pos >= 0) {
|
|
/* if we used a shortcut of parameter, put
|
|
the whole parameter name in options table */
|
|
option = optlist[pos] +
|
|
iscmdtype(*optlist[pos]);
|
|
}
|
|
if (options != NULL && pos != -3)
|
|
g_hash_table_insert(options, option, "");
|
|
|
|
if (pos < 0 || !iscmdtype(*optlist[pos]) ||
|
|
*optlist[pos] == '!')
|
|
option = NULL;
|
|
|
|
while (**data == ' ') (*data)++;
|
|
continue;
|
|
}
|
|
|
|
if (option == NULL)
|
|
break;
|
|
|
|
if (*optlist[pos] == '@' && !is_numeric(*data, ' '))
|
|
break; /* expected a numeric argument */
|
|
|
|
/* save the argument */
|
|
arg = cmd_get_quoted_param(data);
|
|
if (options != NULL) {
|
|
g_hash_table_remove(options, option);
|
|
g_hash_table_insert(options, option, arg);
|
|
}
|
|
option = NULL;
|
|
|
|
while (**data == ' ') (*data)++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
typedef struct {
|
|
char *data;
|
|
GHashTable *options;
|
|
} CMD_TEMP_REC;
|
|
|
|
static const char *
|
|
get_optional_channel(WI_ITEM_REC *active_item, char **data, int require_name)
|
|
{
|
|
CHANNEL_REC *chanrec;
|
|
const char *ret;
|
|
char *tmp, *origtmp, *channel;
|
|
|
|
if (active_item == NULL) {
|
|
/* no active channel in window, channel required */
|
|
return cmd_get_param(data);
|
|
}
|
|
|
|
origtmp = tmp = g_strdup(*data);
|
|
channel = cmd_get_param(&tmp);
|
|
|
|
if (g_strcmp0(channel, "*") == 0 && !require_name) {
|
|
/* "*" means active channel */
|
|
cmd_get_param(data);
|
|
ret = window_item_get_target(active_item);
|
|
} else if (!server_ischannel(active_item->server, channel)) {
|
|
/* we don't have channel parameter - use active channel */
|
|
ret = window_item_get_target(active_item);
|
|
} else {
|
|
/* Find the channel first and use it's name if found.
|
|
This allows automatic !channel -> !XXXXXchannel replaces. */
|
|
channel = cmd_get_param(data);
|
|
|
|
chanrec = channel_find(active_item->server, channel);
|
|
ret = chanrec == NULL ? channel : chanrec->name;
|
|
}
|
|
|
|
g_free(origtmp);
|
|
return ret;
|
|
}
|
|
|
|
int cmd_get_params(const char *data, gpointer *free_me, int count, ...)
|
|
{
|
|
WI_ITEM_REC *item;
|
|
CMD_TEMP_REC *rec;
|
|
GHashTable **opthash;
|
|
char **str, *arg, *datad;
|
|
va_list args;
|
|
int cnt, error, ignore_unknown, require_name;
|
|
|
|
g_return_val_if_fail(data != NULL, FALSE);
|
|
|
|
va_start(args, count);
|
|
|
|
rec = g_new0(CMD_TEMP_REC, 1);
|
|
rec->data = g_strdup(data);
|
|
*free_me = rec;
|
|
|
|
datad = rec->data;
|
|
error = FALSE;
|
|
|
|
item = (count & PARAM_FLAG_OPTCHAN) == 0 ? NULL:
|
|
(WI_ITEM_REC *) va_arg(args, WI_ITEM_REC *);
|
|
|
|
if (count & PARAM_FLAG_OPTIONS) {
|
|
arg = (char *) va_arg(args, char *);
|
|
opthash = (GHashTable **) va_arg(args, GHashTable **);
|
|
|
|
rec->options = *opthash =
|
|
g_hash_table_new((GHashFunc) g_istr_hash,
|
|
(GCompareFunc) g_istr_equal);
|
|
|
|
ignore_unknown = count & PARAM_FLAG_UNKNOWN_OPTIONS;
|
|
error = get_cmd_options(&datad, ignore_unknown,
|
|
arg, *opthash);
|
|
}
|
|
|
|
if (!error) {
|
|
/* and now handle the string */
|
|
cnt = PARAM_WITHOUT_FLAGS(count);
|
|
if (count & PARAM_FLAG_OPTCHAN) {
|
|
/* optional channel as first parameter */
|
|
require_name = (count & PARAM_FLAG_OPTCHAN_NAME) ==
|
|
PARAM_FLAG_OPTCHAN_NAME;
|
|
arg = (char *) get_optional_channel(item, &datad, require_name);
|
|
|
|
str = (char **) va_arg(args, char **);
|
|
if (str != NULL) *str = arg;
|
|
cnt--;
|
|
}
|
|
|
|
while (cnt-- > 0) {
|
|
if (cnt == 0 && count & PARAM_FLAG_GETREST) {
|
|
/* get rest */
|
|
arg = datad;
|
|
|
|
/* strip the trailing whitespace */
|
|
if (count & PARAM_FLAG_STRIP_TRAILING_WS) {
|
|
arg = g_strchomp(arg);
|
|
}
|
|
} else {
|
|
arg = (count & PARAM_FLAG_NOQUOTES) ?
|
|
cmd_get_param(&datad) :
|
|
cmd_get_quoted_param(&datad);
|
|
}
|
|
|
|
str = (char **) va_arg(args, char **);
|
|
if (str != NULL) *str = arg;
|
|
}
|
|
}
|
|
va_end(args);
|
|
|
|
if (error) {
|
|
signal_emit("error command", 2, GINT_TO_POINTER(error), datad);
|
|
signal_stop();
|
|
|
|
cmd_params_free(rec);
|
|
*free_me = NULL;
|
|
}
|
|
|
|
return !error;
|
|
}
|
|
|
|
void cmd_params_free(void *free_me)
|
|
{
|
|
CMD_TEMP_REC *rec = free_me;
|
|
|
|
if (rec->options != NULL) g_hash_table_destroy(rec->options);
|
|
g_free(rec->data);
|
|
g_free(rec);
|
|
}
|
|
|
|
static void command_module_unbind_all(COMMAND_REC *rec,
|
|
COMMAND_MODULE_REC *modrec)
|
|
{
|
|
GSList *tmp, *next;
|
|
|
|
for (tmp = modrec->callbacks; tmp != NULL; tmp = next) {
|
|
COMMAND_CALLBACK_REC *cb = tmp->data;
|
|
next = tmp->next;
|
|
|
|
command_unbind_full(rec->cmd, cb->func, cb->user_data);
|
|
}
|
|
|
|
if (g_slist_find(commands, rec) != NULL) {
|
|
/* this module might have removed some options
|
|
from command, update them. */
|
|
command_update_options(rec);
|
|
}
|
|
}
|
|
|
|
void commands_remove_module(const char *module)
|
|
{
|
|
GSList *tmp, *next, *modlist;
|
|
|
|
g_return_if_fail(module != NULL);
|
|
|
|
for (tmp = commands; tmp != NULL; tmp = next) {
|
|
COMMAND_REC *rec = tmp->data;
|
|
|
|
next = tmp->next;
|
|
modlist = gslist_find_string(rec->modules, module);
|
|
if (modlist != NULL)
|
|
command_module_unbind_all(rec, modlist->data);
|
|
}
|
|
}
|
|
|
|
static int cmd_protocol_match(COMMAND_REC *cmd, SERVER_REC *server)
|
|
{
|
|
GSList *tmp;
|
|
|
|
for (tmp = cmd->modules; tmp != NULL; tmp = tmp->next) {
|
|
COMMAND_MODULE_REC *rec = tmp->data;
|
|
|
|
if (rec->protocol == -1) {
|
|
/* at least one module accepts the command
|
|
without specific protocol */
|
|
return 1;
|
|
}
|
|
|
|
if (server != NULL && rec->protocol == server->chat_type) {
|
|
/* matching protocol found */
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define alias_runstack_push(alias) \
|
|
alias_runstack = g_slist_append(alias_runstack, alias)
|
|
|
|
#define alias_runstack_pop(alias) \
|
|
alias_runstack = g_slist_remove(alias_runstack, alias)
|
|
|
|
#define alias_runstack_find(alias) \
|
|
(gslist_find_icase_string(alias_runstack, alias) != NULL)
|
|
|
|
static void parse_command(const char *command, int expand_aliases,
|
|
SERVER_REC *server, void *item)
|
|
{
|
|
COMMAND_REC *rec;
|
|
const char *alias, *newcmd;
|
|
char *cmd, *orig, *args, *oldcmd;
|
|
|
|
g_return_if_fail(command != NULL);
|
|
|
|
cmd = orig = g_strconcat("command ", command, NULL);
|
|
args = strchr(cmd+8, ' ');
|
|
if (args != NULL) *args++ = '\0'; else args = "";
|
|
|
|
/* check if there's an alias for command. Don't allow
|
|
recursive aliases */
|
|
alias = !expand_aliases || alias_runstack_find(cmd+8) ? NULL :
|
|
alias_find(cmd+8);
|
|
if (alias != NULL) {
|
|
alias_runstack_push(cmd+8);
|
|
eval_special_string(alias, args, server, item);
|
|
alias_runstack_pop(cmd+8);
|
|
g_free(orig);
|
|
return;
|
|
}
|
|
|
|
/* check if this command can be expanded */
|
|
newcmd = command_expand(cmd+8);
|
|
if (newcmd == NULL) {
|
|
/* ambiguous command */
|
|
g_free(orig);
|
|
return;
|
|
}
|
|
|
|
rec = command_find(newcmd);
|
|
if (rec != NULL && !cmd_protocol_match(rec, server)) {
|
|
g_free(orig);
|
|
|
|
signal_emit("error command", 2,
|
|
GINT_TO_POINTER(server == NULL ?
|
|
CMDERR_NOT_CONNECTED :
|
|
CMDERR_ILLEGAL_PROTO));
|
|
return;
|
|
}
|
|
|
|
cmd = g_strconcat("command ", newcmd, NULL);
|
|
ascii_strdown(cmd);
|
|
|
|
oldcmd = current_command;
|
|
current_command = cmd+8;
|
|
if (server != NULL) server_ref(server);
|
|
if (!signal_emit(cmd, 3, args, server, item)) {
|
|
signal_emit_id(signal_default_command, 3,
|
|
command, server, item);
|
|
}
|
|
if (server != NULL) {
|
|
if (server->connection_lost)
|
|
server_disconnect(server);
|
|
server_unref(server);
|
|
}
|
|
current_command = oldcmd;
|
|
|
|
g_free(cmd);
|
|
g_free(orig);
|
|
}
|
|
|
|
static void event_command(const char *line, SERVER_REC *server, void *item)
|
|
{
|
|
char *cmdchar;
|
|
int expand_aliases = TRUE;
|
|
|
|
g_return_if_fail(line != NULL);
|
|
|
|
cmdchar = *line == '\0' ? NULL :
|
|
strchr(settings_get_str("cmdchars"), *line);
|
|
if (cmdchar != NULL && line[1] == ' ') {
|
|
/* "/ text" = same as sending "text" to active channel. */
|
|
line += 2;
|
|
cmdchar = NULL;
|
|
}
|
|
if (cmdchar == NULL) {
|
|
/* non-command - let someone else handle this */
|
|
signal_emit("send text", 3, line, server, item);
|
|
return;
|
|
}
|
|
|
|
/* same cmdchar twice ignores aliases */
|
|
line++;
|
|
if (*line == *cmdchar) {
|
|
line++;
|
|
expand_aliases = FALSE;
|
|
}
|
|
|
|
/* ^command hides the output - we'll do this at fe-common but
|
|
we have to skip the ^ char here.. */
|
|
if (*line == '^') line++;
|
|
|
|
parse_command(line, expand_aliases, server, item);
|
|
}
|
|
|
|
static int eval_recursion_depth=0;
|
|
/* SYNTAX: EVAL <command(s)> */
|
|
static void cmd_eval(const char *data, SERVER_REC *server, void *item)
|
|
{
|
|
g_return_if_fail(data != NULL);
|
|
if (eval_recursion_depth > 100)
|
|
cmd_return_error(CMDERR_EVAL_MAX_RECURSE);
|
|
|
|
|
|
eval_recursion_depth++;
|
|
eval_special_string(data, "", server, item);
|
|
eval_recursion_depth--;
|
|
}
|
|
|
|
/* SYNTAX: CD <directory> */
|
|
static void cmd_cd(const char *data)
|
|
{
|
|
char *str;
|
|
|
|
g_return_if_fail(data != NULL);
|
|
if (*data == '\0') return;
|
|
|
|
str = convert_home(data);
|
|
if (chdir(str) != 0) {
|
|
g_warning("Failed to chdir(): %s", strerror(errno));
|
|
}
|
|
g_free(str);
|
|
}
|
|
|
|
void commands_init(void)
|
|
{
|
|
commands = NULL;
|
|
current_command = NULL;
|
|
alias_runstack = NULL;
|
|
|
|
signal_default_command = signal_get_uniq_id("default command");
|
|
|
|
settings_add_str("misc", "cmdchars", "/");
|
|
signal_add("send command", (SIGNAL_FUNC) event_command);
|
|
|
|
command_bind("eval", NULL, (SIGNAL_FUNC) cmd_eval);
|
|
command_bind("cd", NULL, (SIGNAL_FUNC) cmd_cd);
|
|
}
|
|
|
|
void commands_deinit(void)
|
|
{
|
|
g_free_not_null(current_command);
|
|
|
|
signal_remove("send command", (SIGNAL_FUNC) event_command);
|
|
|
|
command_unbind("eval", (SIGNAL_FUNC) cmd_eval);
|
|
command_unbind("cd", (SIGNAL_FUNC) cmd_cd);
|
|
}
|