cmd-list-buffers.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
   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  * List paste buffers.
  28  */
  29
  30 #define LIST_BUFFERS_TEMPLATE                                           \
  31         "#{buffer_name}: #{buffer_size} bytes: \"#{buffer_sample}\""
  32
  33 static enum cmd_retval  cmd_list_buffers_exec(struct cmd *, struct cmdq_item *);
  34
  35 const struct cmd_entry cmd_list_buffers_entry = {
  36         .name = "list-buffers",
  37         .alias = "lsb",
  38
  39         .args = { "F:f:", 0, 0, NULL },
  40         .usage = "[-F format] [-f filter]",
  41
  42         .flags = CMD_AFTERHOOK,
  43         .exec = cmd_list_buffers_exec
  44 };
  45
  46 static enum cmd_retval
  47 cmd_list_buffers_exec(struct cmd *self, struct cmdq_item *item)
  48 {
  49         struct args             *args = cmd_get_args(self);
  50         struct paste_buffer     *pb;
  51         struct format_tree      *ft;
  52         const char              *template, *filter;
  53         char                    *line, *expanded;
  54         int                      flag;
  55
  56         if ((template = args_get(args, 'F')) == NULL)
  57                 template = LIST_BUFFERS_TEMPLATE;
  58         filter = args_get(args, 'f');
  59
  60         pb = NULL;
  61         while ((pb = paste_walk(pb)) != NULL) {
  62                 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
  63                 format_defaults_paste_buffer(ft, pb);
  64
  65                 if (filter != NULL) {
  66                         expanded = format_expand(ft, filter);
  67                         flag = format_true(expanded);
  68                         free(expanded);
  69                 } else
  70                         flag = 1;
  71                 if (flag) {
  72                         line = format_expand(ft, template);
  73                         cmdq_print(item, "%s", line);
  74                         free(line);
  75                 }
  76
  77                 format_free(ft);
  78         }
  79
  80         return (CMD_RETURN_NORMAL);
  81 }