cmd-paste-buffer.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  * Paste paste buffer if present.
  28  */
  29
  30 static enum cmd_retval  cmd_paste_buffer_exec(struct cmd *, struct cmdq_item *);
  31
  32 const struct cmd_entry cmd_paste_buffer_entry = {
  33         .name = "paste-buffer",
  34         .alias = "pasteb",
  35
  36         .args = { "db:prs:t:", 0, 0, NULL },
  37         .usage = "[-dpr] [-s separator] " CMD_BUFFER_USAGE " "
  38                  CMD_TARGET_PANE_USAGE,
  39
  40         .target = { 't', CMD_FIND_PANE, 0 },
  41
  42         .flags = CMD_AFTERHOOK,
  43         .exec = cmd_paste_buffer_exec
  44 };
  45
  46 static enum cmd_retval
  47 cmd_paste_buffer_exec(struct cmd *self, struct cmdq_item *item)
  48 {
  49         struct args             *args = cmd_get_args(self);
  50         struct cmd_find_state   *target = cmdq_get_target(item);
  51         struct window_pane      *wp = target->wp;
  52         struct paste_buffer     *pb;
  53         const char              *sepstr, *bufname, *bufdata, *bufend, *line;
  54         size_t                   seplen, bufsize;
  55         int                      bracket = args_has(args, 'p');
  56
  57         if (window_pane_exited(wp)) {
  58                 cmdq_error(item, "target pane has exited");
  59                 return (CMD_RETURN_ERROR);
  60         }
  61
  62         bufname = NULL;
  63         if (args_has(args, 'b'))
  64                 bufname = args_get(args, 'b');
  65
  66         if (bufname == NULL)
  67                 pb = paste_get_top(NULL);
  68         else {
  69                 pb = paste_get_name(bufname);
  70                 if (pb == NULL) {
  71                         cmdq_error(item, "no buffer %s", bufname);
  72                         return (CMD_RETURN_ERROR);
  73                 }
  74         }
  75
  76         if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
  77                 sepstr = args_get(args, 's');
  78                 if (sepstr == NULL) {
  79                         if (args_has(args, 'r'))
  80                                 sepstr = "\n";
  81                         else
  82                                 sepstr = "\r";
  83                 }
  84                 seplen = strlen(sepstr);
  85
  86                 if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
  87                         bufferevent_write(wp->event, "\033[200~", 6);
  88
  89                 bufdata = paste_buffer_data(pb, &bufsize);
  90                 bufend = bufdata + bufsize;
  91
  92                 for (;;) {
  93                         line = memchr(bufdata, '\n', bufend - bufdata);
  94                         if (line == NULL)
  95                                 break;
  96
  97                         bufferevent_write(wp->event, bufdata, line - bufdata);
  98                         bufferevent_write(wp->event, sepstr, seplen);
  99
 100                         bufdata = line + 1;
 101                 }
 102                 if (bufdata != bufend)
 103                         bufferevent_write(wp->event, bufdata, bufend - bufdata);
 104
 105                 if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
 106                         bufferevent_write(wp->event, "\033[201~", 6);
 107         }
 108
 109         if (pb != NULL && args_has(args, 'd'))
 110                 paste_free(pb);
 111
 112         return (CMD_RETURN_NORMAL);
 113 }