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Annotation of src/usr.bin/tmux/cmd-list-sessions.c, Revision 1.33

1.33    ! nicm        1: /* $OpenBSD: cmd-list-sessions.c,v 1.32 2020/04/13 08:26:27 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.24      nicm        4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        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:
1.12      nicm       21: #include <stdlib.h>
1.1       nicm       22: #include <string.h>
                     23: #include <time.h>
                     24:
                     25: #include "tmux.h"
                     26:
                     27: /*
                     28:  * List all sessions.
                     29:  */
1.18      nicm       30:
                     31: #define LIST_SESSIONS_TEMPLATE                         \
                     32:        "#{session_name}: #{session_windows} windows "  \
1.30      nicm       33:        "(created #{t:session_created})"                \
1.18      nicm       34:        "#{?session_grouped, (group ,}"                 \
                     35:        "#{session_group}#{?session_grouped,),}"        \
                     36:        "#{?session_attached, (attached),}"
1.1       nicm       37:
1.27      nicm       38: static enum cmd_retval cmd_list_sessions_exec(struct cmd *,
                     39:                            struct cmdq_item *);
1.1       nicm       40:
                     41: const struct cmd_entry cmd_list_sessions_entry = {
1.23      nicm       42:        .name = "list-sessions",
                     43:        .alias = "ls",
                     44:
1.31      nicm       45:        .args = { "F:f:", 0, 0 },
                     46:        .usage = "[-F format] [-f filter]",
1.23      nicm       47:
1.26      nicm       48:        .flags = CMD_AFTERHOOK,
1.23      nicm       49:        .exec = cmd_list_sessions_exec
1.1       nicm       50: };
                     51:
1.25      nicm       52: static enum cmd_retval
1.27      nicm       53: cmd_list_sessions_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm       54: {
1.32      nicm       55:        struct args             *args = cmd_get_args(self);
1.4       nicm       56:        struct session          *s;
1.10      nicm       57:        u_int                    n;
                     58:        struct format_tree      *ft;
1.31      nicm       59:        const char              *template, *filter;
                     60:        char                    *line, *expanded;
                     61:        int                      flag;
1.10      nicm       62:
1.11      nicm       63:        if ((template = args_get(args, 'F')) == NULL)
1.14      nicm       64:                template = LIST_SESSIONS_TEMPLATE;
1.31      nicm       65:        filter = args_get(args, 'f');
1.1       nicm       66:
1.10      nicm       67:        n = 0;
1.8       nicm       68:        RB_FOREACH(s, sessions, &sessions) {
1.33    ! nicm       69:                ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
1.10      nicm       70:                format_add(ft, "line", "%u", n);
1.19      nicm       71:                format_defaults(ft, NULL, s, NULL, NULL);
1.10      nicm       72:
1.31      nicm       73:                if (filter != NULL) {
                     74:                        expanded = format_expand(ft, filter);
                     75:                        flag = format_true(expanded);
                     76:                        free(expanded);
                     77:                } else
                     78:                        flag = 1;
                     79:                if (flag) {
                     80:                        line = format_expand(ft, template);
                     81:                        cmdq_print(item, "%s", line);
                     82:                        free(line);
                     83:                }
1.10      nicm       84:
                     85:                format_free(ft);
                     86:                n++;
1.1       nicm       87:        }
                     88:
1.13      nicm       89:        return (CMD_RETURN_NORMAL);
1.1       nicm       90: }