/* $OpenBSD: cmd-bind-key.c,v 1.47 2025/04/09 07:03:04 nicm Exp $ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * 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"

/*
 * Bind a key to a command.
 */

static enum args_parse_type     cmd_bind_key_args_parse(struct args *, u_int,
                                    char **);
static enum cmd_retval          cmd_bind_key_exec(struct cmd *,
                                    struct cmdq_item *);

const struct cmd_entry cmd_bind_key_entry = {
        .name = "bind-key",
        .alias = "bind",

        .args = { "nrN:T:", 1, -1, cmd_bind_key_args_parse },
        .usage = "[-nr] [-T key-table] [-N note] key "
                 "[command [argument ...]]",

        .flags = CMD_AFTERHOOK,
        .exec = cmd_bind_key_exec
};

static enum args_parse_type
cmd_bind_key_args_parse(__unused struct args *args, __unused u_int idx,
    __unused char **cause)
{
        return (ARGS_PARSE_COMMANDS_OR_STRING);
}

static enum cmd_retval
cmd_bind_key_exec(struct cmd *self, struct cmdq_item *item)
{
        struct args              *args = cmd_get_args(self);
        key_code                  key;
        const char               *tablename, *note = args_get(args, 'N');
        struct cmd_parse_result  *pr;
        int                       repeat;
        struct args_value        *value;
        u_int                     count = args_count(args);

        key = key_string_lookup_string(args_string(args, 0));
        if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
                cmdq_error(item, "unknown key: %s", args_string(args, 0));
                return (CMD_RETURN_ERROR);
        }

        if (args_has(args, 'T'))
                tablename = args_get(args, 'T');
        else if (args_has(args, 'n'))
                tablename = "root";
        else
                tablename = "prefix";
        repeat = args_has(args, 'r');

        if (count == 1) {
                key_bindings_add(tablename, key, note, repeat, NULL);
                return (CMD_RETURN_NORMAL);
        }

        value = args_value(args, 1);
        if (count == 2 && value->type == ARGS_COMMANDS) {
                key_bindings_add(tablename, key, note, repeat, value->cmdlist);
                value->cmdlist->references++;
                return (CMD_RETURN_NORMAL);
        }

        if (count == 2)
                pr = cmd_parse_from_string(args_string(args, 1), NULL);
        else {
                pr = cmd_parse_from_arguments(args_values(args) + 1, count - 1,
                    NULL);
        }
        switch (pr->status) {
        case CMD_PARSE_ERROR:
                cmdq_error(item, "%s", pr->error);
                free(pr->error);
                return (CMD_RETURN_ERROR);
        case CMD_PARSE_SUCCESS:
                break;
        }
        key_bindings_add(tablename, key, note, repeat, pr->cmdlist);
        return (CMD_RETURN_NORMAL);
}