Annotation of src/usr.bin/tmux/cmd-capture-pane.c, Revision 1.21
1.21 ! nicm 1: /* $OpenBSD: cmd-capture-pane.c,v 1.20 2013/03/25 10:02:17 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2009 Jonathan Alvarado <radobobo@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:
1.4 nicm 21: #include <stdlib.h>
1.1 nicm 22: #include <string.h>
23:
24: #include "tmux.h"
25:
26: /*
1.14 nicm 27: * Write the entire contents of a pane to a buffer or stdout.
1.1 nicm 28: */
29:
1.19 nicm 30: enum cmd_retval cmd_capture_pane_exec(struct cmd *, struct cmd_q *);
1.1 nicm 31:
32: const struct cmd_entry cmd_capture_pane_entry = {
33: "capture-pane", "capturep",
1.21 ! nicm 34: "ab:CeE:JpqS:t:", 0, 0,
! 35: "[-aCeJpq] [-b buffer-index] [-E end-line] [-S start-line]"
1.13 nicm 36: CMD_TARGET_PANE_USAGE,
1.6 nicm 37: 0,
38: NULL,
39: NULL,
40: cmd_capture_pane_exec
1.1 nicm 41: };
42:
1.12 nicm 43: enum cmd_retval
1.19 nicm 44: cmd_capture_pane_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 45: {
1.6 nicm 46: struct args *args = self->args;
1.17 nicm 47: struct client *c;
1.6 nicm 48: struct window_pane *wp;
1.16 nicm 49: char *buf, *line, *cause;
1.6 nicm 50: struct screen *s;
1.7 nicm 51: struct grid *gd;
1.18 nicm 52: int buffer, n, with_codes, escape_c0, join_lines;
1.20 nicm 53: u_int i, limit, top, bottom, tmp, sx;
1.16 nicm 54: size_t len, linelen;
55: struct grid_cell *gc;
1.18 nicm 56: const struct grid_line *gl;
1.14 nicm 57:
1.19 nicm 58: if (cmd_find_pane(cmdq, args_get(args, 't'), NULL, &wp) == NULL)
1.12 nicm 59: return (CMD_RETURN_ERROR);
1.20 nicm 60:
61: if (args_has(args, 'a')) {
62: s = NULL;
63: gd = wp->saved_grid;
64: sx = screen_size_x(&wp->base);
1.21 ! nicm 65: if (gd == NULL && !args_has(args, 'q')) {
1.20 nicm 66: cmdq_error(cmdq, "no alternate screen");
67: return (CMD_RETURN_ERROR);
68: }
69: } else {
70: s = &wp->base;
71: sx = screen_size_x(s);
72: gd = s->grid;
73: }
1.1 nicm 74:
75: buf = NULL;
76: len = 0;
77:
1.21 ! nicm 78: if (gd != NULL) {
! 79: n = args_strtonum(args, 'S', INT_MIN, SHRT_MAX, &cause);
! 80: if (cause != NULL) {
! 81: top = gd->hsize;
! 82: free(cause);
! 83: } else if (n < 0 && (u_int) -n > gd->hsize)
! 84: top = 0;
! 85: else
! 86: top = gd->hsize + n;
! 87: if (top > gd->hsize + gd->sy - 1)
! 88: top = gd->hsize + gd->sy - 1;
! 89:
! 90: n = args_strtonum(args, 'E', INT_MIN, SHRT_MAX, &cause);
! 91: if (cause != NULL) {
! 92: bottom = gd->hsize + gd->sy - 1;
! 93: free(cause);
! 94: } else if (n < 0 && (u_int) -n > gd->hsize)
! 95: bottom = 0;
! 96: else
! 97: bottom = gd->hsize + n;
! 98: if (bottom > gd->hsize + gd->sy - 1)
! 99: bottom = gd->hsize + gd->sy - 1;
! 100:
! 101: if (bottom < top) {
! 102: tmp = bottom;
! 103: bottom = top;
! 104: top = tmp;
! 105: }
1.7 nicm 106:
1.21 ! nicm 107: with_codes = args_has(args, 'e');
! 108: escape_c0 = args_has(args, 'C');
! 109: join_lines = args_has(args, 'J');
! 110:
! 111: gc = NULL;
! 112: for (i = top; i <= bottom; i++) {
! 113: line = grid_string_cells(gd, 0, i, sx, &gc, with_codes,
! 114: escape_c0);
! 115: linelen = strlen(line);
! 116:
! 117: buf = xrealloc(buf, 1, len + linelen + 1);
! 118: memcpy(buf + len, line, linelen);
! 119: len += linelen;
! 120:
! 121: gl = grid_peek_line(gd, i);
! 122: if (!join_lines || !(gl->flags & GRID_LINE_WRAPPED))
! 123: buf[len++] = '\n';
1.1 nicm 124:
1.21 ! nicm 125: free(line);
! 126: }
! 127: } else
! 128: buf = xstrdup("");
1.1 nicm 129:
1.14 nicm 130: if (args_has(args, 'p')) {
1.19 nicm 131: c = cmdq->client;
132: if (c == NULL ||
133: (c->session != NULL && !(c->flags & CLIENT_CONTROL))) {
134: cmdq_error(cmdq, "can't write to stdout");
1.14 nicm 135: return (CMD_RETURN_ERROR);
136: }
137: evbuffer_add(c->stdout_data, buf, len);
138: server_push_stdout(c);
139: } else {
140: limit = options_get_number(&global_options, "buffer-limit");
141: if (!args_has(args, 'b')) {
142: paste_add(&global_buffers, buf, len, limit);
143: return (CMD_RETURN_NORMAL);
144: }
145:
146: buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
147: if (cause != NULL) {
1.19 nicm 148: cmdq_error(cmdq, "buffer %s", cause);
1.14 nicm 149: free(buf);
150: free(cause);
151: return (CMD_RETURN_ERROR);
152: }
153:
154: if (paste_replace(&global_buffers, buffer, buf, len) != 0) {
1.19 nicm 155: cmdq_error(cmdq, "no buffer %d", buffer);
1.14 nicm 156: free(buf);
157: return (CMD_RETURN_ERROR);
158: }
1.1 nicm 159: }
1.6 nicm 160:
1.12 nicm 161: return (CMD_RETURN_NORMAL);
1.1 nicm 162: }
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