Return to cmd-set-hook.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / tmux

Annotation of embedaddon/tmux/cmd-set-hook.c, revision 1.1

1.1     ! misho       1: /* $OpenBSD$ */
        !             2: 
        !             3: /*
        !             4:  * Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
        !             5:  *
        !             6:  * Permission to use, copy, modify, and distribute this software for any
        !             7:  * purpose with or without fee is hereby granted, provided that the above
        !             8:  * copyright notice and this permission notice appear in all copies.
        !             9:  *
        !            10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !            11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
        !            15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
        !            16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            17:  */
        !            18: 
        !            19: #include <sys/types.h>
        !            20: 
        !            21: #include <stdlib.h>
        !            22: #include <string.h>
        !            23: 
        !            24: #include "tmux.h"
        !            25: 
        !            26: /*
        !            27:  * Set or show global or session hooks.
        !            28:  */
        !            29: 
        !            30: static enum cmd_retval cmd_set_hook_exec(struct cmd *, struct cmdq_item *);
        !            31: 
        !            32: const struct cmd_entry cmd_set_hook_entry = {
        !            33:        .name = "set-hook",
        !            34:        .alias = NULL,
        !            35: 
        !            36:        .args = { "gt:u", 1, 2 },
        !            37:        .usage = "[-gu] " CMD_TARGET_SESSION_USAGE " hook-name [command]",
        !            38: 
        !            39:        .tflag = CMD_SESSION_CANFAIL,
        !            40: 
        !            41:        .flags = CMD_AFTERHOOK,
        !            42:        .exec = cmd_set_hook_exec
        !            43: };
        !            44: 
        !            45: const struct cmd_entry cmd_show_hooks_entry = {
        !            46:        .name = "show-hooks",
        !            47:        .alias = NULL,
        !            48: 
        !            49:        .args = { "gt:", 0, 1 },
        !            50:        .usage = "[-g] " CMD_TARGET_SESSION_USAGE,
        !            51: 
        !            52:        .tflag = CMD_SESSION,
        !            53: 
        !            54:        .flags = CMD_AFTERHOOK,
        !            55:        .exec = cmd_set_hook_exec
        !            56: };
        !            57: 
        !            58: static enum cmd_retval
        !            59: cmd_set_hook_exec(struct cmd *self, struct cmdq_item *item)
        !            60: {
        !            61:        struct args     *args = self->args;
        !            62:        struct cmd_list *cmdlist;
        !            63:        struct hooks    *hooks;
        !            64:        struct hook     *hook;
        !            65:        char            *cause, *tmp;
        !            66:        const char      *name, *cmd, *target;
        !            67: 
        !            68:        if (args_has(args, 'g'))
        !            69:                hooks = global_hooks;
        !            70:        else {
        !            71:                if (item->state.tflag.s == NULL) {
        !            72:                        target = args_get(args, 't');
        !            73:                        if (target != NULL)
        !            74:                                cmdq_error(item, "no such session: %s", target);
        !            75:                        else
        !            76:                                cmdq_error(item, "no current session");
        !            77:                        return (CMD_RETURN_ERROR);
        !            78:                }
        !            79:                hooks = item->state.tflag.s->hooks;
        !            80:        }
        !            81: 
        !            82:        if (self->entry == &cmd_show_hooks_entry) {
        !            83:                hook = hooks_first(hooks);
        !            84:                while (hook != NULL) {
        !            85:                        tmp = cmd_list_print(hook->cmdlist);
        !            86:                        cmdq_print(item, "%s -> %s", hook->name, tmp);
        !            87:                        free(tmp);
        !            88: 
        !            89:                        hook = hooks_next(hook);
        !            90:                }
        !            91:                return (CMD_RETURN_NORMAL);
        !            92:        }
        !            93: 
        !            94:        name = args->argv[0];
        !            95:        if (*name == '\0') {
        !            96:                cmdq_error(item, "invalid hook name");
        !            97:                return (CMD_RETURN_ERROR);
        !            98:        }
        !            99:        if (args->argc < 2)
        !           100:                cmd = NULL;
        !           101:        else
        !           102:                cmd = args->argv[1];
        !           103: 
        !           104:        if (args_has(args, 'u')) {
        !           105:                if (cmd != NULL) {
        !           106:                        cmdq_error(item, "command passed to unset hook: %s",
        !           107:                            name);
        !           108:                        return (CMD_RETURN_ERROR);
        !           109:                }
        !           110:                hooks_remove(hooks, name);
        !           111:                return (CMD_RETURN_NORMAL);
        !           112:        }
        !           113: 
        !           114:        if (cmd == NULL) {
        !           115:                cmdq_error(item, "no command to set hook: %s", name);
        !           116:                return (CMD_RETURN_ERROR);
        !           117:        }
        !           118:        cmdlist = cmd_string_parse(cmd, NULL, 0, &cause);
        !           119:        if (cmdlist == NULL) {
        !           120:                if (cause != NULL) {
        !           121:                        cmdq_error(item, "%s", cause);
        !           122:                        free(cause);
        !           123:                }
        !           124:                return (CMD_RETURN_ERROR);
        !           125:        }
        !           126:        hooks_add(hooks, name, cmdlist);
        !           127:        cmd_list_free(cmdlist);
        !           128: 
        !           129:        return (CMD_RETURN_NORMAL);
        !           130: }