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@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