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/* $OpenBSD: cmd-set-hook.c,v 1.12 2018/07/04 12:30:52 nicm Exp $ */
/*
* Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Set or show global or session hooks.
*/
static enum cmd_retval cmd_set_hook_exec(struct cmd *, struct cmdq_item *);
const struct cmd_entry cmd_set_hook_entry = {
.name = "set-hook",
.alias = NULL,
.args = { "gRt:u", 1, 2 },
.usage = "[-gRu] " CMD_TARGET_SESSION_USAGE " hook-name [command]",
.target = { 't', CMD_FIND_SESSION, CMD_FIND_CANFAIL },
.flags = CMD_AFTERHOOK,
.exec = cmd_set_hook_exec
};
const struct cmd_entry cmd_show_hooks_entry = {
.name = "show-hooks",
.alias = NULL,
.args = { "gt:", 0, 1 },
.usage = "[-g] " CMD_TARGET_SESSION_USAGE,
.target = { 't', CMD_FIND_SESSION, 0 },
.flags = CMD_AFTERHOOK,
.exec = cmd_set_hook_exec
};
static enum cmd_retval
cmd_set_hook_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct cmd_list *cmdlist;
struct hooks *hooks;
struct hook *hook;
char *cause, *tmp;
const char *name, *cmd, *target;
if (args_has(args, 'g'))
hooks = global_hooks;
else {
if (item->target.s == NULL) {
target = args_get(args, 't');
if (target != NULL)
cmdq_error(item, "no such session: %s", target);
else
cmdq_error(item, "no current session");
return (CMD_RETURN_ERROR);
}
hooks = item->target.s->hooks;
}
if (self->entry == &cmd_show_hooks_entry) {
hook = hooks_first(hooks);
while (hook != NULL) {
tmp = cmd_list_print(hook->cmdlist);
cmdq_print(item, "%s -> %s", hook->name, tmp);
free(tmp);
hook = hooks_next(hook);
}
return (CMD_RETURN_NORMAL);
}
name = args->argv[0];
if (*name == '\0') {
cmdq_error(item, "invalid hook name");
return (CMD_RETURN_ERROR);
}
if (args->argc < 2)
cmd = NULL;
else
cmd = args->argv[1];
if (cmd != NULL && (args_has(args, 'R') || args_has(args, 'u'))) {
cmdq_error(item, "no command allowed");
return (CMD_RETURN_ERROR);
}
if (args_has(args, 'R')) {
notify_hook(item, name);
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'u')) {
hooks_remove(hooks, name);
return (CMD_RETURN_NORMAL);
}
if (cmd == NULL) {
cmdq_error(item, "no command given");
return (CMD_RETURN_ERROR);
}
cmdlist = cmd_string_parse(cmd, NULL, 0, &cause);
if (cmdlist == NULL) {
if (cause != NULL) {
cmdq_error(item, "%s", cause);
free(cause);
}
return (CMD_RETURN_ERROR);
}
hooks_add(hooks, name, cmdlist);
cmd_list_free(cmdlist);
return (CMD_RETURN_NORMAL);
}
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