1 /* $OpenBSD: cmd-paste-buffer.c,v 1.19 2012/07/11 07:10:15 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> 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 #include <vis.h> 24 25 #include "tmux.h" 26 27 /* 28 * Paste paste buffer if present. 29 */ 30 31 enum cmd_retval cmd_paste_buffer_exec(struct cmd *, struct cmd_ctx *); 32 33 void cmd_paste_buffer_filter(struct window_pane *, 34 const char *, size_t, const char *, int bracket); 35 36 const struct cmd_entry cmd_paste_buffer_entry = { 37 "paste-buffer", "pasteb", 38 "db:prs:t:", 0, 0, 39 "[-dpr] [-s separator] [-b buffer-index] [-t target-pane]", 40 0, 41 NULL, 42 NULL, 43 cmd_paste_buffer_exec 44 }; 45 46 enum cmd_retval 47 cmd_paste_buffer_exec(struct cmd *self, struct cmd_ctx *ctx) 48 { 49 struct args *args = self->args; 50 struct window_pane *wp; 51 struct session *s; 52 struct paste_buffer *pb; 53 const char *sepstr; 54 char *cause; 55 int buffer; 56 int pflag; 57 58 if (cmd_find_pane(ctx, args_get(args, 't'), &s, &wp) == NULL) 59 return (CMD_RETURN_ERROR); 60 61 if (!args_has(args, 'b')) 62 buffer = -1; 63 else { 64 buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause); 65 if (cause != NULL) { 66 ctx->error(ctx, "buffer %s", cause); 67 free(cause); 68 return (CMD_RETURN_ERROR); 69 } 70 } 71 72 if (buffer == -1) 73 pb = paste_get_top(&global_buffers); 74 else { 75 pb = paste_get_index(&global_buffers, buffer); 76 if (pb == NULL) { 77 ctx->error(ctx, "no buffer %d", buffer); 78 return (CMD_RETURN_ERROR); 79 } 80 } 81 82 if (pb != NULL) { 83 sepstr = args_get(args, 's'); 84 if (sepstr == NULL) { 85 if (args_has(args, 'r')) 86 sepstr = "\n"; 87 else 88 sepstr = "\r"; 89 } 90 pflag = args_has(args, 'p') && 91 (wp->screen->mode & MODE_BRACKETPASTE); 92 cmd_paste_buffer_filter(wp, pb->data, pb->size, sepstr, pflag); 93 } 94 95 /* Delete the buffer if -d. */ 96 if (args_has(args, 'd')) { 97 if (buffer == -1) 98 paste_free_top(&global_buffers); 99 else 100 paste_free_index(&global_buffers, buffer); 101 } 102 103 return (CMD_RETURN_NORMAL); 104 } 105 106 /* Add bytes to a buffer and filter '\n' according to separator. */ 107 void 108 cmd_paste_buffer_filter(struct window_pane *wp, 109 const char *data, size_t size, const char *sep, int bracket) 110 { 111 const char *end = data + size; 112 const char *lf; 113 size_t seplen; 114 115 if (bracket) 116 bufferevent_write(wp->event, "\033[200~", 6); 117 118 seplen = strlen(sep); 119 while ((lf = memchr(data, '\n', end - data)) != NULL) { 120 if (lf != data) 121 bufferevent_write(wp->event, data, lf - data); 122 bufferevent_write(wp->event, sep, seplen); 123 data = lf + 1; 124 } 125 126 if (end != data) 127 bufferevent_write(wp->event, data, end - data); 128 129 if (bracket) 130 bufferevent_write(wp->event, "\033[201~", 6); 131 } 132