BRL-CAD
form.c
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1 /* F O R M . C
2  * BRL-CAD
3  *
4  * Copyright (c) 2008-2014 United States Government as represented by
5  * the U.S. Army Research Laboratory.
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public License
9  * version 2.1 as published by the Free Software Foundation.
10  *
11  * This library is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this file; see the file named COPYING for more
18  * information.
19  */
20 /** @file libged/form.c
21  *
22  * The form command.
23  *
24  */
25 
26 #include "common.h"
27 
28 #include <stdlib.h>
29 #include <ctype.h>
30 #include <string.h>
31 
32 #include "ged.h"
33 
34 
35 int
36 ged_form(struct ged *gedp, int argc, const char *argv[])
37 {
38  const struct rt_functab *ftp;
39  static const char *usage = "type";
40 
42  GED_CHECK_ARGC_GT_0(gedp, argc, GED_ERROR);
43 
44  /* initialize result */
45  bu_vls_trunc(gedp->ged_result_str, 0);
46 
47  /* must be wanting help */
48  if (argc == 1) {
49  bu_vls_printf(gedp->ged_result_str, "Usage: %s %s", argv[0], usage);
50  return GED_HELP;
51  }
52 
53  if (argc != 2) {
54  bu_vls_printf(gedp->ged_result_str, "Usage: %s %s", argv[0], usage);
55  return GED_ERROR;
56  }
57 
58  if ((ftp = rt_get_functab_by_label(argv[1])) == NULL) {
59  bu_vls_printf(gedp->ged_result_str, "There is no geometric object type \"%s\".", argv[1]);
60  return GED_ERROR;
61  }
62 
63  if (!ftp->ft_form) {
64  return GED_ERROR;
65  }
66 
67  return ftp->ft_form(gedp->ged_result_str, ftp);
68 }
69 
70 
71 /*
72  * Local Variables:
73  * tab-width: 8
74  * mode: C
75  * indent-tabs-mode: t
76  * c-file-style: "stroustrup"
77  * End:
78  * ex: shiftwidth=4 tabstop=8
79  */
void usage(struct ged *gedp)
Definition: coil.c:315
Definition: ged.h:338
void bu_vls_trunc(struct bu_vls *vp, int len)
Definition: vls.c:198
#define GED_CHECK_ARGC_GT_0(_gedp, _argc, _flags)
Definition: ged.h:202
Header file for the BRL-CAD common definitions.
#define GED_ERROR
Definition: ged.h:61
#define GED_CHECK_DATABASE_OPEN(_gedp, _flags)
Definition: ged.h:114
struct bu_vls * ged_result_str
Definition: ged.h:357
int ged_form(struct ged *gedp, int argc, const char *argv[])
Definition: form.c:36
void bu_vls_printf(struct bu_vls *vls, const char *fmt,...) _BU_ATTR_PRINTF23
Definition: vls.c:694
#define GED_HELP
Definition: ged.h:62
int(* ft_form)(struct bu_vls *, const struct rt_functab *)
Definition: raytrace.h:2186
const struct rt_functab * rt_get_functab_by_label(const char *label)
Definition: table.c:2410