/* $OpenBSD$ */

/*

 * 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:O:rt:", 0, 0, NULL },

  .usage = "[-F format] [-f filter] [-O order]" 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   **l;

  struct session     *s;

  struct format_tree   *ft;

  const char     *template, *filter;

  u_int       i, n;

  char       *line, *expanded;

  int       flag;

  struct sort_criteria    sort_crit;

  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');

  sort_crit.order = sort_order_from_string(args_get(args, 'O'));

  if (sort_crit.order == SORT_END && args_has(args, 'O')) {

    cmdq_error(item, "invalid sort order");

    return (CMD_RETURN_ERROR);

  }

  sort_crit.reversed = args_has(args, 'r');

  l = sort_get_clients(&n, &sort_crit);

  for (i = 0; i < n; i++) {

    if (l[i]->session == NULL || (s != NULL && s != l[i]->session))

      continue;

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

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

    format_defaults(ft, l[i], 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);

  }

  return (CMD_RETURN_NORMAL);

}