I made multitude of fixes based on the comments provided online:
[blender.git] / source / blender / blenkernel / intern / idcode.c
1 /*
2  * $Id$
3  *
4  * ***** BEGIN GPL LICENSE BLOCK *****
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19  *
20  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
21  * All rights reserved.
22  *
23  * The Original Code is: all of this file.
24  *
25  * Contributor(s): none yet.
26  *
27  * ***** END GPL LICENSE BLOCK *****
28  * return info about ID types
29  */
30
31 /** \file blender/blenkernel/intern/idcode.c
32  *  \ingroup bke
33  */
34
35  
36 #include <stdlib.h>
37 #include <string.h>
38
39 #include "DNA_ID.h"
40
41 #include "BKE_idcode.h"
42
43 typedef struct {
44         unsigned short code;
45         const char *name, *plural;
46         
47         int flags;
48 #define IDTYPE_FLAGS_ISLINKABLE (1<<0)
49 } IDType;
50
51 /* plural need to match rna_main.c's MainCollectionDef */
52 static IDType idtypes[]= {
53         { ID_AC,                "Action",       "actions",              IDTYPE_FLAGS_ISLINKABLE}, 
54         { ID_AR,                "Armature", "armatures",        IDTYPE_FLAGS_ISLINKABLE}, 
55         { ID_BR,                "Brush",        "brushes",              IDTYPE_FLAGS_ISLINKABLE}, 
56         { ID_CA,                "Camera",       "cameras",              IDTYPE_FLAGS_ISLINKABLE}, 
57         { ID_CU,                "Curve",        "curves",               IDTYPE_FLAGS_ISLINKABLE}, 
58         { ID_GD,                "GPencil",      "grease_pencil",IDTYPE_FLAGS_ISLINKABLE},  /* rename gpencil */
59         { ID_GR,                "Group",        "groups",               IDTYPE_FLAGS_ISLINKABLE}, 
60         { ID_ID,                "ID",           "ids",                  0}, /* plural is fake */
61         { ID_IM,                "Image",        "images",               IDTYPE_FLAGS_ISLINKABLE}, 
62         { ID_IP,                "Ipo",          "ipos",                 IDTYPE_FLAGS_ISLINKABLE},  /* deprecated */
63         { ID_KE,                "Key",          "keys",                 0}, 
64         { ID_LA,                "Lamp",         "lamps",                IDTYPE_FLAGS_ISLINKABLE}, 
65         { ID_LI,                "Library",      "libraries",    0}, 
66         { ID_LT,                "Lattice",      "lattices",             IDTYPE_FLAGS_ISLINKABLE}, 
67         { ID_MA,                "Material", "materials",        IDTYPE_FLAGS_ISLINKABLE}, 
68         { ID_MB,                "Metaball", "metaballs",        IDTYPE_FLAGS_ISLINKABLE}, 
69         { ID_ME,                "Mesh",         "meshes",               IDTYPE_FLAGS_ISLINKABLE}, 
70         { ID_NT,                "NodeTree",     "node_groups",  IDTYPE_FLAGS_ISLINKABLE}, 
71         { ID_OB,                "Object",       "objects",              IDTYPE_FLAGS_ISLINKABLE}, 
72         { ID_PA,                "ParticleSettings",     "particles", 0},
73         { ID_SCE,               "Scene",        "scenes",               IDTYPE_FLAGS_ISLINKABLE}, 
74         { ID_SCR,               "Screen",       "screens",              0}, 
75         { ID_SEQ,               "Sequence",     "sequences",    0}, /* not actually ID data */
76         { ID_SPK,               "Speaker",      "speakers",             IDTYPE_FLAGS_ISLINKABLE},
77         { ID_SO,                "Sound",        "sounds",               IDTYPE_FLAGS_ISLINKABLE},
78         { ID_TE,                "Texture",      "textures",             IDTYPE_FLAGS_ISLINKABLE}, 
79         { ID_TXT,               "Text",         "texts",                IDTYPE_FLAGS_ISLINKABLE}, 
80         { ID_VF,                "VFont",        "fonts",                IDTYPE_FLAGS_ISLINKABLE}, 
81         { ID_WO,                "World",        "worlds",               IDTYPE_FLAGS_ISLINKABLE}, 
82         { ID_WM,                "WindowManager", "window_managers",     0}, 
83 };
84 static int nidtypes= sizeof(idtypes)/sizeof(idtypes[0]);
85
86 static IDType *idtype_from_name(const char *str) 
87 {
88         int i= nidtypes;
89         
90         while (i--)
91                 if (strcmp(str, idtypes[i].name)==0)
92                         return &idtypes[i];
93
94         return NULL;
95 }
96 static IDType *idtype_from_code(int code) 
97 {
98         int i= nidtypes;
99         
100         while (i--)
101                 if (code==idtypes[i].code)
102                         return &idtypes[i];
103         
104         return NULL;
105 }
106
107 int BKE_idcode_is_valid(int code) 
108 {
109         return idtype_from_code(code)?1:0;
110 }
111
112 int BKE_idcode_is_linkable(int code) {
113         IDType *idt= idtype_from_code(code);
114         return idt?(idt->flags&IDTYPE_FLAGS_ISLINKABLE):0;
115 }
116
117 const char *BKE_idcode_to_name(int code) 
118 {
119         IDType *idt= idtype_from_code(code);
120         
121         return idt?idt->name:NULL;
122 }
123
124 int BKE_idcode_from_name(const char *name) 
125 {
126         IDType *idt= idtype_from_name(name);
127         
128         return idt?idt->code:0;
129 }
130
131 const char *BKE_idcode_to_name_plural(int code) 
132 {
133         IDType *idt= idtype_from_code(code);
134         
135         return idt?idt->plural:NULL;
136 }
137
138 int BKE_idcode_iter_step(int *index)
139 {
140         return (*index < nidtypes) ? idtypes[(*index)++].code : 0;
141 }