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cmd-capture-pane.c    148 lines (125 with data), 3.8 kB

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/* $OpenBSD$ */
/*
* Copyright (c) 2009 Jonathan Alvarado <radobobo@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 "tmux.h"
/*
* Write the entire contents of a pane to a buffer or stdout.
*/
enum cmd_retval cmd_capture_pane_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_capture_pane_entry = {
"capture-pane", "capturep",
"b:CeE:JpS:t:", 0, 0,
"[-CeJp] [-b buffer-index] [-E end-line] [-S start-line]"
CMD_TARGET_PANE_USAGE,
0,
NULL,
NULL,
cmd_capture_pane_exec
};
enum cmd_retval
cmd_capture_pane_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct client *c;
struct window_pane *wp;
char *buf, *line, *cause;
struct screen *s;
struct grid *gd;
int buffer, n, with_codes, escape_c0, join_lines;
u_int i, limit, top, bottom, tmp;
size_t len, linelen;
struct grid_cell *gc;
const struct grid_line *gl;
if (cmd_find_pane(cmdq, args_get(args, 't'), NULL, &wp) == NULL)
return (CMD_RETURN_ERROR);
s = &wp->base;
gd = s->grid;
buf = NULL;
len = 0;
n = args_strtonum(args, 'S', INT_MIN, SHRT_MAX, &cause);
if (cause != NULL) {
top = gd->hsize;
free(cause);
} else if (n < 0 && (u_int) -n > gd->hsize)
top = 0;
else
top = gd->hsize + n;
if (top > gd->hsize + gd->sy - 1)
top = gd->hsize + gd->sy - 1;
n = args_strtonum(args, 'E', INT_MIN, SHRT_MAX, &cause);
if (cause != NULL) {
bottom = gd->hsize + gd->sy - 1;
free(cause);
} else if (n < 0 && (u_int) -n > gd->hsize)
bottom = 0;
else
bottom = gd->hsize + n;
if (bottom > gd->hsize + gd->sy - 1)
bottom = gd->hsize + gd->sy - 1;
if (bottom < top) {
tmp = bottom;
bottom = top;
top = tmp;
}
with_codes = args_has(args, 'e');
escape_c0 = args_has(args, 'C');
join_lines = args_has(args, 'J');
gc = NULL;
for (i = top; i <= bottom; i++) {
line = grid_string_cells(s->grid, 0, i, screen_size_x(s),
&gc, with_codes, escape_c0);
linelen = strlen(line);
buf = xrealloc(buf, 1, len + linelen + 1);
memcpy(buf + len, line, linelen);
len += linelen;
gl = grid_peek_line(s->grid, i);
if (!join_lines || !(gl->flags & GRID_LINE_WRAPPED))
buf[len++] = '\n';
free(line);
}
if (args_has(args, 'p')) {
c = cmdq->client;
if (c == NULL ||
(c->session != NULL && !(c->flags & CLIENT_CONTROL))) {
cmdq_error(cmdq, "can't write to stdout");
return (CMD_RETURN_ERROR);
}
evbuffer_add(c->stdout_data, buf, len);
server_push_stdout(c);
} else {
limit = options_get_number(&global_options, "buffer-limit");
if (!args_has(args, 'b')) {
paste_add(&global_buffers, buf, len, limit);
return (CMD_RETURN_NORMAL);
}
buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
if (cause != NULL) {
cmdq_error(cmdq, "buffer %s", cause);
free(buf);
free(cause);
return (CMD_RETURN_ERROR);
}
if (paste_replace(&global_buffers, buffer, buf, len) != 0) {
cmdq_error(cmdq, "no buffer %d", buffer);
free(buf);
return (CMD_RETURN_ERROR);
}
}
return (CMD_RETURN_NORMAL);
}