1 /* $OpenBSD: cmd-paste-buffer.c,v 1.16 2011/01/04 00:42:47 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 int cmd_paste_buffer_exec(struct cmd *, struct cmd_ctx *); 32 33 void cmd_paste_buffer_filter( 34 struct window_pane *, const char *, size_t, const char *); 35 36 const struct cmd_entry cmd_paste_buffer_entry = { 37 "paste-buffer", "pasteb", 38 "db:rs:t:", 0, 0, 39 "[-dr] [-s separator] [-b buffer-index] [-t target-pane]", 40 0, 41 NULL, 42 NULL, 43 cmd_paste_buffer_exec 44 }; 45 46 int 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 57 if (cmd_find_pane(ctx, args_get(args, 't'), &s, &wp) == NULL) 58 return (-1); 59 60 if (!args_has(args, 'b')) 61 buffer = -1; 62 else { 63 buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause); 64 if (cause != NULL) { 65 ctx->error(ctx, "buffer %s", cause); 66 xfree(cause); 67 return (-1); 68 } 69 } 70 71 if (buffer == -1) 72 pb = paste_get_top(&global_buffers); 73 else { 74 pb = paste_get_index(&global_buffers, buffer); 75 if (pb == NULL) { 76 ctx->error(ctx, "no buffer %d", buffer); 77 return (-1); 78 } 79 } 80 81 if (pb != NULL) { 82 sepstr = args_get(args, 's'); 83 if (sepstr == NULL) { 84 if (args_has(args, 'r')) 85 sepstr = "\n"; 86 else 87 sepstr = "\r"; 88 } 89 cmd_paste_buffer_filter(wp, pb->data, pb->size, sepstr); 90 } 91 92 /* Delete the buffer if -d. */ 93 if (args_has(args, 'd')) { 94 if (buffer == -1) 95 paste_free_top(&global_buffers); 96 else 97 paste_free_index(&global_buffers, buffer); 98 } 99 100 return (0); 101 } 102 103 /* Add bytes to a buffer and filter '\n' according to separator. */ 104 void 105 cmd_paste_buffer_filter( 106 struct window_pane *wp, const char *data, size_t size, const char *sep) 107 { 108 const char *end = data + size; 109 const char *lf; 110 size_t seplen; 111 112 seplen = strlen(sep); 113 while ((lf = memchr(data, '\n', end - data)) != NULL) { 114 if (lf != data) 115 bufferevent_write(wp->event, data, lf - data); 116 bufferevent_write(wp->event, sep, seplen); 117 data = lf + 1; 118 } 119 120 if (end != data) 121 bufferevent_write(wp->event, data, end - data); 122 } 123