Annotation of src/usr.bin/tmux/cmd-paste-buffer.c, Revision 1.7
1.7 ! nicm 1: /* $OpenBSD: cmd-paste-buffer.c,v 1.6 2009/09/07 18:50:45 nicm Exp $ */
1.1 nicm 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 *);
1.7 ! nicm 30: void cmd_paste_buffer_lf2cr(struct window_pane *, const char *, size_t);
1.1 nicm 31:
32: const struct cmd_entry cmd_paste_buffer_entry = {
33: "paste-buffer", "pasteb",
1.3 nicm 34: "[-dr] " CMD_BUFFER_WINDOW_USAGE,
1.4 nicm 35: 0, CMD_CHFLAG('d')|CMD_CHFLAG('r'),
1.1 nicm 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 winlink *wl;
1.6 nicm 48: struct window_pane *wp;
1.1 nicm 49: struct session *s;
50: struct paste_buffer *pb;
51:
52: if ((wl = cmd_find_window(ctx, data->target, &s)) == NULL)
53: return (-1);
1.6 nicm 54: wp = wl->window->active;
1.1 nicm 55:
56: if (data->buffer == -1)
57: pb = paste_get_top(&s->buffers);
58: else {
59: if ((pb = paste_get_index(&s->buffers, data->buffer)) == NULL) {
60: ctx->error(ctx, "no buffer %d", data->buffer);
61: return (-1);
62: }
63: }
64:
1.3 nicm 65: if (pb != NULL && *pb->data != '\0') {
66: /* -r means raw data without LF->CR conversion. */
1.6 nicm 67: if (data->chflags & CMD_CHFLAG('r'))
1.7 ! nicm 68: bufferevent_write(wp->event, pb->data, pb->size);
1.6 nicm 69: else
1.7 ! nicm 70: cmd_paste_buffer_lf2cr(wp, pb->data, pb->size);
1.3 nicm 71: }
1.1 nicm 72:
73: /* Delete the buffer if -d. */
1.4 nicm 74: if (data->chflags & CMD_CHFLAG('d')) {
1.1 nicm 75: if (data->buffer == -1)
76: paste_free_top(&s->buffers);
77: else
78: paste_free_index(&s->buffers, data->buffer);
79: }
80:
81: return (0);
1.3 nicm 82: }
83:
84: /* Add bytes to a buffer but change every '\n' to '\r'. */
85: void
1.7 ! nicm 86: cmd_paste_buffer_lf2cr(struct window_pane *wp, const char *data, size_t size)
1.3 nicm 87: {
88: const char *end = data + size;
89: const char *lf;
90:
91: while ((lf = memchr(data, '\n', end - data)) != NULL) {
92: if (lf != data)
1.7 ! nicm 93: bufferevent_write(wp->event, data, lf - data);
! 94: bufferevent_write(wp->event, "\r", 1);
1.3 nicm 95: data = lf + 1;
96: }
97:
98: if (end != data)
1.7 ! nicm 99: bufferevent_write(wp->event, data, end - data);
1.1 nicm 100: }