BRL-CAD
whatid.c
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1 /* W H A T I D . 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/whatid.c
21  *
22  * The whatid command.
23  *
24  */
25 
26 #include "common.h"
27 
28 #include <string.h>
29 
30 #include "bu/cmd.h"
31 
32 #include "./ged_private.h"
33 
34 
35 int
36 ged_whatid(struct ged *gedp, int argc, const char *argv[])
37 {
38  struct directory *dp;
39  struct rt_db_internal intern;
40  struct rt_comb_internal *comb;
41  static const char *usage = "region";
42 
44  GED_CHECK_ARGC_GT_0(gedp, argc, GED_ERROR);
45 
46  /* initialize result */
47  bu_vls_trunc(gedp->ged_result_str, 0);
48 
49  /* must be wanting help */
50  if (argc == 1) {
51  bu_vls_printf(gedp->ged_result_str, "Usage: %s %s", argv[0], usage);
52  return GED_HELP;
53  }
54 
55  if (argc != 2) {
56  bu_vls_printf(gedp->ged_result_str, "Usage: %s %s", argv[0], usage);
57  return GED_ERROR;
58  }
59 
60 
61  if ((dp=db_lookup(gedp->ged_wdbp->dbip, argv[1], LOOKUP_NOISY)) == RT_DIR_NULL)
62  return GED_ERROR;
63 
64  if (!(dp->d_flags & RT_DIR_REGION)) {
65  bu_vls_printf(gedp->ged_result_str, "%s is not a region", argv[1]);
66  return GED_ERROR;
67  }
68 
69  if (rt_db_get_internal(&intern, dp, gedp->ged_wdbp->dbip, (fastf_t *)NULL, &rt_uniresource) < 0)
70  return GED_ERROR;
71  comb = (struct rt_comb_internal *)intern.idb_ptr;
72 
73  bu_vls_printf(gedp->ged_result_str, "%ld", comb->region_id);
74  rt_db_free_internal(&intern);
75 
76  return GED_OK;
77 }
78 
79 
80 /*
81  * Local Variables:
82  * tab-width: 8
83  * mode: C
84  * indent-tabs-mode: t
85  * c-file-style: "stroustrup"
86  * End:
87  * ex: shiftwidth=4 tabstop=8
88  */
void usage(struct ged *gedp)
Definition: coil.c:315
#define GED_OK
Definition: ged.h:55
int rt_db_get_internal(struct rt_db_internal *ip, const struct directory *dp, const struct db_i *dbip, const mat_t mat, struct resource *resp)
Definition: dir.c:76
int ged_whatid(struct ged *gedp, int argc, const char *argv[])
Definition: whatid.c:36
Definition: ged.h:338
struct db_i * dbip
Definition: raytrace.h:1266
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
struct directory * db_lookup(const struct db_i *, const char *name, int noisy)
Definition: db_lookup.c:153
struct rt_wdb * ged_wdbp
Definition: ged.h:340
Header file for the BRL-CAD common definitions.
#define RT_DIR_REGION
region
Definition: raytrace.h:885
#define GED_ERROR
Definition: ged.h:61
struct resource rt_uniresource
default. Defined in librt/globals.c
Definition: globals.c:41
#define GED_CHECK_DATABASE_OPEN(_gedp, _flags)
Definition: ged.h:114
struct bu_vls * ged_result_str
Definition: ged.h:357
void * idb_ptr
Definition: raytrace.h:195
void bu_vls_printf(struct bu_vls *vls, const char *fmt,...) _BU_ATTR_PRINTF23
Definition: vls.c:694
#define RT_DIR_NULL
Definition: raytrace.h:875
#define LOOKUP_NOISY
Definition: raytrace.h:892
#define GED_HELP
Definition: ged.h:62
int d_flags
flags
Definition: raytrace.h:869
double fastf_t
Definition: defines.h:300
void rt_db_free_internal(struct rt_db_internal *ip)
Definition: dir.c:216