1 /* $OpenBSD: cmd-paste-buffer.c,v 1.12 2010/04/04 19:04:09 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 <string.h> 22 23 #include "tmux.h" 24 25 /* 26 * Paste paste buffer if present. 27 */ 28 29 int cmd_paste_buffer_exec(struct cmd *, struct cmd_ctx *); 30 void cmd_paste_buffer_lf2cr(struct window_pane *, const char *, size_t); 31 32 const struct cmd_entry cmd_paste_buffer_entry = { 33 "paste-buffer", "pasteb", 34 "[-dr] " CMD_BUFFER_PANE_USAGE, 35 0, "dr", 36 cmd_buffer_init, 37 cmd_buffer_parse, 38 cmd_paste_buffer_exec, 39 cmd_buffer_free, 40 cmd_buffer_print 41 }; 42 43 int 44 cmd_paste_buffer_exec(struct cmd *self, struct cmd_ctx *ctx) 45 { 46 struct cmd_buffer_data *data = self->data; 47 struct window_pane *wp; 48 struct session *s; 49 struct paste_buffer *pb; 50 51 if (cmd_find_pane(ctx, data->target, &s, &wp) == NULL) 52 return (-1); 53 54 if (data->buffer == -1) 55 pb = paste_get_top(&s->buffers); 56 else { 57 if ((pb = paste_get_index(&s->buffers, data->buffer)) == NULL) { 58 ctx->error(ctx, "no buffer %d", data->buffer); 59 return (-1); 60 } 61 } 62 63 if (pb != NULL) { 64 /* -r means raw data without LF->CR conversion. */ 65 if (cmd_check_flag(data->chflags, 'r')) 66 bufferevent_write(wp->event, pb->data, pb->size); 67 else 68 cmd_paste_buffer_lf2cr(wp, pb->data, pb->size); 69 } 70 71 /* Delete the buffer if -d. */ 72 if (cmd_check_flag(data->chflags, 'd')) { 73 if (data->buffer == -1) 74 paste_free_top(&s->buffers); 75 else 76 paste_free_index(&s->buffers, data->buffer); 77 } 78 79 return (0); 80 } 81 82 /* Add bytes to a buffer but change every '\n' to '\r'. */ 83 void 84 cmd_paste_buffer_lf2cr(struct window_pane *wp, const char *data, size_t size) 85 { 86 const char *end = data + size; 87 const char *lf; 88 89 while ((lf = memchr(data, '\n', end - data)) != NULL) { 90 if (lf != data) 91 bufferevent_write(wp->event, data, lf - data); 92 bufferevent_write(wp->event, "\r", 1); 93 data = lf + 1; 94 } 95 96 if (end != data) 97 bufferevent_write(wp->event, data, end - data); 98 } 99