1 /* $Id: cmd-paste-buffer.c,v 1.3 2011/08/17 18:48:35 jmmv 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 24 #include "tmux.h" 25 26 /* 27 * Paste paste buffer if present. 28 */ 29 30 int cmd_paste_buffer_exec(struct cmd *, struct cmd_ctx *); 31 32 void cmd_paste_buffer_filter( 33 struct window_pane *, const char *, size_t, const char *); 34 35 const struct cmd_entry cmd_paste_buffer_entry = { 36 "paste-buffer", "pasteb", 37 "db:rs:t:", 0, 0, 38 "[-dr] [-s separator] [-b buffer-index] [-t target-pane]", 39 0, 40 NULL, 41 NULL, 42 cmd_paste_buffer_exec 43 }; 44 45 int 46 cmd_paste_buffer_exec(struct cmd *self, struct cmd_ctx *ctx) 47 { 48 struct args *args = self->args; 49 struct window_pane *wp; 50 struct session *s; 51 struct paste_buffer *pb; 52 const char *sepstr; 53 char *cause; 54 int buffer; 55 56 if (cmd_find_pane(ctx, args_get(args, 't'), &s, &wp) == NULL) 57 return (-1); 58 59 if (!args_has(args, 'b')) 60 buffer = -1; 61 else { 62 buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause); 63 if (cause != NULL) { 64 ctx->error(ctx, "buffer %s", cause); 65 xfree(cause); 66 return (-1); 67 } 68 } 69 70 if (buffer == -1) 71 pb = paste_get_top(&global_buffers); 72 else { 73 pb = paste_get_index(&global_buffers, buffer); 74 if (pb == NULL) { 75 ctx->error(ctx, "no buffer %d", buffer); 76 return (-1); 77 } 78 } 79 80 if (pb != NULL) { 81 sepstr = args_get(args, 's'); 82 if (sepstr == NULL) { 83 if (args_has(args, 'r')) 84 sepstr = "\n"; 85 else 86 sepstr = "\r"; 87 } 88 cmd_paste_buffer_filter(wp, pb->data, pb->size, sepstr); 89 } 90 91 /* Delete the buffer if -d. */ 92 if (args_has(args, 'd')) { 93 if (buffer == -1) 94 paste_free_top(&global_buffers); 95 else 96 paste_free_index(&global_buffers, buffer); 97 } 98 99 return (0); 100 } 101 102 /* Add bytes to a buffer and filter '\n' according to separator. */ 103 void 104 cmd_paste_buffer_filter( 105 struct window_pane *wp, const char *data, size_t size, const char *sep) 106 { 107 const char *end = data + size; 108 const char *lf; 109 size_t seplen; 110 111 seplen = strlen(sep); 112 while ((lf = memchr(data, '\n', end - data)) != NULL) { 113 if (lf != data) 114 bufferevent_write(wp->event, data, lf - data); 115 bufferevent_write(wp->event, sep, seplen); 116 data = lf + 1; 117 } 118 119 if (end != data) 120 bufferevent_write(wp->event, data, end - data); 121 } 122