Add license files and headers
[navit-package] / navit / projection.c
1 /**
2  * Navit, a modular navigation system.
3  * Copyright (C) 2005-2008 Navit Team
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * version 2 as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  * Boston, MA  02110-1301, USA.
18  */
19
20 #include <string.h>
21 #include <glib.h>
22 #include "coord.h"
23 #include "debug.h"
24 #include "projection.h"
25
26 struct projection_name {
27         enum projection projection;
28         char *name;
29 };
30
31
32 struct projection_name projection_names[]={
33         {projection_none, ""},
34         {projection_mg, "mg"},
35         {projection_garmin, "garmin"},
36 };
37
38
39 enum projection
40 projection_from_name(const char *name)
41 {
42         int i;
43
44         for (i=0 ; i < sizeof(projection_names)/sizeof(struct projection_name) ; i++) {
45                 if (! strcmp(projection_names[i].name, name))
46                         return projection_names[i].projection;
47         }
48         return projection_none;
49 }
50
51 char *
52 projection_to_name(enum projection proj)
53 {
54         int i;
55
56         for (i=0 ; i < sizeof(projection_names)/sizeof(struct projection_name) ; i++) {
57                 if (projection_names[i].projection == proj)
58                         return projection_names[i].name;
59         }
60         return NULL; 
61 }
62