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/* $OpenBSD: cmd-set-hook.c,v 1.6 2016/05/12 13:21:56 nicm Exp $ */ |
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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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.name = "set-hook", |
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.alias = NULL, |
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.args = { "gt:u", 1, 2 }, |
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.usage = "[-gu] " CMD_TARGET_SESSION_USAGE " hook-name [command]", |
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.tflag = CMD_SESSION_CANFAIL, |
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.flags = 0, |
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.exec = cmd_set_hook_exec |
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}; |
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const struct cmd_entry cmd_show_hooks_entry = { |
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.name = "show-hooks", |
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.alias = NULL, |
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.args = { "gt:", 0, 1 }, |
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.usage = "[-g] " CMD_TARGET_SESSION_USAGE, |
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.tflag = CMD_SESSION, |
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.flags = 0, |
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.exec = 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 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, *target; |
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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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if (cmdq->state.tflag.s == NULL) { |
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target = args_get(args, 't'); |
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if (target != NULL) |
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cmdq_error(cmdq, "no such session: %s", target); |
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else |
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cmdq_error(cmdq, "no current session"); |
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return (CMD_RETURN_ERROR); |
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} |
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hooks = cmdq->state.tflag.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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hooks_remove(hooks, name); |
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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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} |