/* $OpenBSD$ */

/*

 * 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 <time.h>

#include "tmux.h"

/*

 * List all clients.

 */

#define LIST_CLIENTS_TEMPLATE           \

  "#{client_name}: #{session_name} "        \

  "[#{client_width}x#{client_height} #{client_termname}] "  \

  "#{?#{!=:#{client_uid},#{uid}},"        \

  "[user #{?client_user,#{client_user},#{client_uid},}] ,}" \

  "#{?client_flags,(,}#{client_flags}#{?client_flags,),}"

static enum cmd_retval  cmd_list_clients_exec(struct cmd *, struct cmdq_item *);

const struct cmd_entry cmd_list_clients_entry = {

  .name = "list-clients",

  .alias = "lsc",

  .args = { "F:f:t:", 0, 0, NULL },

  .usage = "[-F format] [-f filter] " CMD_TARGET_SESSION_USAGE,

  .target = { 't', CMD_FIND_SESSION, 0 },

  .flags = CMD_READONLY|CMD_AFTERHOOK,

  .exec = cmd_list_clients_exec

};

static enum cmd_retval

cmd_list_clients_exec(struct cmd *self, struct cmdq_item *item)

{

  struct args     *args = cmd_get_args(self);

  struct cmd_find_state *target = cmdq_get_target(item);

  struct client   *c;

  struct session    *s;

  struct format_tree  *ft;

  const char    *template, *filter;

  u_int      idx;

  char      *line, *expanded;

  int      flag;

  if (args_has(args, 't'))

    s = target->s;

  else

    s = NULL;

  if ((template = args_get(args, 'F')) == NULL)

    template = LIST_CLIENTS_TEMPLATE;

  filter = args_get(args, 'f');

  idx = 0;

  TAILQ_FOREACH(c, &clients, entry) {

    if (c->session == NULL || (s != NULL && s != c->session))

      continue;

    ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);

    format_add(ft, "line", "%u", idx);

    format_defaults(ft, c, NULL, NULL, NULL);

    if (filter != NULL) {

      expanded = format_expand(ft, filter);

      flag = format_true(expanded);

      free(expanded);

    } else

      flag = 1;

    if (flag) {

      line = format_expand(ft, template);

      cmdq_print(item, "%s", line);

      free(line);

    }

    format_free(ft);

    idx++;

  }

  return (CMD_RETURN_NORMAL);

}