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cmd-capture-pane.c revision 1.1.1.2 
      1 /* $Id: cmd-capture-pane.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2009 Jonathan Alvarado <radobobo (at) 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 <stdlib.h>
     22 #include <string.h>
     23 
     24 #include "tmux.h"
     25 
     26 /*
     27  * Write the entire contents of a pane to a buffer.
     28  */
     29 
     30 int	cmd_capture_pane_exec(struct cmd *, struct cmd_ctx *);
     31 
     32 const struct cmd_entry cmd_capture_pane_entry = {
     33 	"capture-pane", "capturep",
     34 	"b:E:S:t:", 0, 0,
     35 	"[-b buffer-index] [-E end-line] [-S start-line] [-t target-pane]",
     36 	0,
     37 	NULL,
     38 	NULL,
     39 	cmd_capture_pane_exec
     40 };
     41 
     42 int
     43 cmd_capture_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
     44 {
     45 	struct args		*args = self->args;
     46 	struct window_pane	*wp;
     47 	char 			*buf, *line, *cause;
     48 	struct screen		*s;
     49 	struct grid		*gd;
     50 	int			 buffer, n;
     51 	u_int			 i, limit, top, bottom, tmp;
     52 	size_t         		 len, linelen;
     53 
     54 	if (cmd_find_pane(ctx, args_get(args, 't'), NULL, &wp) == NULL)
     55 		return (-1);
     56 	s = &wp->base;
     57 	gd = s->grid;
     58 
     59 	buf = NULL;
     60 	len = 0;
     61 
     62 	n = args_strtonum(args, 'S', SHRT_MIN, SHRT_MAX, &cause);
     63 	if (cause != NULL) {
     64 		top = gd->hsize;
     65 		xfree(cause);
     66 	} else if (n < 0 && (u_int) -n > gd->hsize)
     67 		top = 0;
     68 	else
     69 		top = gd->hsize + n;
     70 	if (top > gd->hsize + gd->sy - 1)
     71 		top = gd->hsize + gd->sy - 1;
     72 
     73 	n = args_strtonum(args, 'E', SHRT_MIN, SHRT_MAX, &cause);
     74 	if (cause != NULL) {
     75 		bottom = gd->hsize + gd->sy - 1;
     76 		xfree(cause);
     77 	} else if (n < 0 && (u_int) -n > gd->hsize)
     78 		bottom = 0;
     79 	else
     80 		bottom = gd->hsize + n;
     81 	if (bottom > gd->hsize + gd->sy - 1)
     82 		bottom = gd->hsize + gd->sy - 1;
     83 
     84 	if (bottom < top) {
     85 		tmp = bottom;
     86 		bottom = top;
     87 		top = tmp;
     88 	}
     89 
     90 	for (i = top; i <= bottom; i++) {
     91 	       line = grid_string_cells(s->grid, 0, i, screen_size_x(s));
     92 	       linelen = strlen(line);
     93 
     94 	       buf = xrealloc(buf, 1, len + linelen + 1);
     95 	       memcpy(buf + len, line, linelen);
     96 	       len += linelen;
     97 	       buf[len++] = '\n';
     98 
     99 	       xfree(line);
    100 	}
    101 
    102 	limit = options_get_number(&global_options, "buffer-limit");
    103 
    104 	if (!args_has(args, 'b')) {
    105 		paste_add(&global_buffers, buf, len, limit);
    106 		return (0);
    107 	}
    108 
    109 	buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
    110 	if (cause != NULL) {
    111 		ctx->error(ctx, "buffer %s", cause);
    112 		xfree(cause);
    113 		return (-1);
    114 	}
    115 
    116 	if (paste_replace(&global_buffers, buffer, buf, len) != 0) {
    117 		ctx->error(ctx, "no buffer %d", buffer);
    118 		xfree(buf);
    119 		return (-1);
    120 	}
    121 
    122 	return (0);
    123 }
    124