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d2fb0efcd1
couple of not very useful client hooks. This will eventually let commands be run at various points and on notifications. Joint work with Thomas Adam.
117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Set or show global or session hooks.
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*/
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enum cmd_retval cmd_set_hook_exec(struct cmd *, struct cmd_q *);
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const struct cmd_entry cmd_set_hook_entry = {
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"set-hook", NULL,
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"gt:u", 1, 2,
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"[-gu] " CMD_TARGET_SESSION_USAGE " hook-name [command]",
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0,
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cmd_set_hook_exec
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};
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const struct cmd_entry cmd_show_hooks_entry = {
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"show-hooks", NULL,
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"gt:", 0, 1,
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"[-g] " CMD_TARGET_SESSION_USAGE,
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0,
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cmd_set_hook_exec
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};
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enum cmd_retval
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cmd_set_hook_exec(struct cmd *self, struct cmd_q *cmdq)
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{
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struct args *args = self->args;
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struct session *s;
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struct cmd_list *cmdlist;
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struct hooks *hooks;
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struct hook *hook;
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char *cause, *tmp;
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const char *name, *cmd;
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if (args_has(args, 'g'))
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hooks = global_hooks;
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else {
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s = cmd_find_session(cmdq, args_get(args, 't'), 0);
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if (s == NULL)
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return (CMD_RETURN_ERROR);
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hooks = s->hooks;
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}
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if (self->entry == &cmd_show_hooks_entry) {
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hook = hooks_first(hooks);
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while (hook != NULL) {
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tmp = cmd_list_print(hook->cmdlist);
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cmdq_print(cmdq, "%s -> %s", hook->name, tmp);
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free(tmp);
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hook = hooks_next(hook);
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}
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return (CMD_RETURN_NORMAL);
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}
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name = args->argv[0];
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if (*name == '\0') {
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cmdq_error(cmdq, "invalid hook name");
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return (CMD_RETURN_ERROR);
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}
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if (args->argc < 2)
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cmd = NULL;
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else
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cmd = args->argv[1];
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if (args_has(args, 'u')) {
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if (cmd != NULL) {
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cmdq_error(cmdq, "command passed to unset hook: %s",
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name);
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return (CMD_RETURN_ERROR);
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}
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if ((hook = hooks_find(hooks, name)) != NULL)
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hooks_remove(hooks, hook);
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return (CMD_RETURN_NORMAL);
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}
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if (cmd == NULL) {
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cmdq_error(cmdq, "no command to set hook: %s", name);
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return (CMD_RETURN_ERROR);
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}
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if (cmd_string_parse(cmd, &cmdlist, NULL, 0, &cause) != 0) {
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if (cause != NULL) {
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cmdq_error(cmdq, "%s", cause);
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free(cause);
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}
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return (CMD_RETURN_ERROR);
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}
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hooks_add(hooks, name, cmdlist);
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cmd_list_free(cmdlist);
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return (CMD_RETURN_NORMAL);
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}
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