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/* $OpenBSD: cmd-paste-buffer.c,v 1.16 2011/01/04 00:42:47 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <vis.h>
#include "tmux.h"
/*
* Paste paste buffer if present.
*/
int cmd_paste_buffer_exec(struct cmd *, struct cmd_ctx *);
void cmd_paste_buffer_filter(
struct window_pane *, const char *, size_t, const char *);
const struct cmd_entry cmd_paste_buffer_entry = {
"paste-buffer", "pasteb",
"db:rs:t:", 0, 0,
"[-dr] [-s separator] [-b buffer-index] [-t target-pane]",
0,
NULL,
NULL,
cmd_paste_buffer_exec
};
int
cmd_paste_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct window_pane *wp;
struct session *s;
struct paste_buffer *pb;
const char *sepstr;
char *cause;
int buffer;
if (cmd_find_pane(ctx, args_get(args, 't'), &s, &wp) == NULL)
return (-1);
if (!args_has(args, 'b'))
buffer = -1;
else {
buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
if (cause != NULL) {
ctx->error(ctx, "buffer %s", cause);
xfree(cause);
return (-1);
}
}
if (buffer == -1)
pb = paste_get_top(&global_buffers);
else {
pb = paste_get_index(&global_buffers, buffer);
if (pb == NULL) {
ctx->error(ctx, "no buffer %d", buffer);
return (-1);
}
}
if (pb != NULL) {
sepstr = args_get(args, 's');
if (sepstr == NULL) {
if (args_has(args, 'r'))
sepstr = "\n";
else
sepstr = "\r";
}
cmd_paste_buffer_filter(wp, pb->data, pb->size, sepstr);
}
/* Delete the buffer if -d. */
if (args_has(args, 'd')) {
if (buffer == -1)
paste_free_top(&global_buffers);
else
paste_free_index(&global_buffers, buffer);
}
return (0);
}
/* Add bytes to a buffer and filter '\n' according to separator. */
void
cmd_paste_buffer_filter(
struct window_pane *wp, const char *data, size_t size, const char *sep)
{
const char *end = data + size;
const char *lf;
size_t seplen;
seplen = strlen(sep);
while ((lf = memchr(data, '\n', end - data)) != NULL) {
if (lf != data)
bufferevent_write(wp->event, data, lf - data);
bufferevent_write(wp->event, sep, seplen);
data = lf + 1;
}
if (end != data)
bufferevent_write(wp->event, data, end - data);
}
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