/*
 * $Id$
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 * return info about ID types
 */

/** \file blender/blenkernel/intern/idcode.c
 *  \ingroup bke
 */

 
#include <stdlib.h>
#include <string.h>

#include "DNA_ID.h"

#include "BKE_idcode.h"

typedef struct {
	unsigned short code;
	const char *name, *plural;
	
	int flags;
#define IDTYPE_FLAGS_ISLINKABLE	(1<<0)
} IDType;

/* plural need to match rna_main.c's MainCollectionDef */
static IDType idtypes[]= {
	{ ID_AC,		"Action",	"actions",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_AR,		"Armature", "armatures",	IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_BR,		"Brush",	"brushes",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_CA,		"Camera",	"cameras",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_CU,		"Curve",	"curves",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_GD,		"GPencil",	"grease_pencil",IDTYPE_FLAGS_ISLINKABLE},  /* rename gpencil */
	{ ID_GR,		"Group",	"groups",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_ID,		"ID",		"ids",			0}, /* plural is fake */
	{ ID_IM,		"Image",	"images",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_IP,		"Ipo",		"ipos",			IDTYPE_FLAGS_ISLINKABLE},  /* deprecated */
	{ ID_KE,		"Key",		"keys",			0}, 
	{ ID_LA,		"Lamp",		"lamps",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_LI,		"Library",	"libraries",	0}, 
	{ ID_LT,		"Lattice",	"lattices",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_MA,		"Material", "materials",	IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_MB,		"Metaball", "metaballs",	IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_ME,		"Mesh",		"meshes",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_NT,		"NodeTree",	"node_groups",	IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_OB,		"Object",	"objects",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_PA,		"ParticleSettings",	"particles", 0},
	{ ID_SCE,		"Scene",	"scenes",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_SCR,		"Screen",	"screens",		0}, 
	{ ID_SEQ,		"Sequence",	"sequences",	0}, /* not actually ID data */
	{ ID_SPK,		"Speaker",	"speakers",		IDTYPE_FLAGS_ISLINKABLE},
	{ ID_SO,		"Sound",	"sounds",		IDTYPE_FLAGS_ISLINKABLE},
	{ ID_TE,		"Texture",	"textures",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_TXT,		"Text",		"texts",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_VF,		"VFont",	"fonts",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_WO,		"World",	"worlds",		IDTYPE_FLAGS_ISLINKABLE}, 
	{ ID_WM,		"WindowManager", "window_managers",	0}, 
};
static int nidtypes= sizeof(idtypes)/sizeof(idtypes[0]);

static IDType *idtype_from_name(const char *str) 
{
	int i= nidtypes;
	
	while (i--)
		if (strcmp(str, idtypes[i].name)==0)
			return &idtypes[i];

	return NULL;
}
static IDType *idtype_from_code(int code) 
{
	int i= nidtypes;
	
	while (i--)
		if (code==idtypes[i].code)
			return &idtypes[i];
	
	return NULL;
}

int BKE_idcode_is_valid(int code) 
{
	return idtype_from_code(code)?1:0;
}

int BKE_idcode_is_linkable(int code) {
	IDType *idt= idtype_from_code(code);
	return idt?(idt->flags&IDTYPE_FLAGS_ISLINKABLE):0;
}

const char *BKE_idcode_to_name(int code) 
{
	IDType *idt= idtype_from_code(code);
	
	return idt?idt->name:NULL;
}

int BKE_idcode_from_name(const char *name) 
{
	IDType *idt= idtype_from_name(name);
	
	return idt?idt->code:0;
}

const char *BKE_idcode_to_name_plural(int code) 
{
	IDType *idt= idtype_from_code(code);
	
	return idt?idt->plural:NULL;
}

int BKE_idcode_iter_step(int *index)
{
	return (*index < nidtypes) ? idtypes[(*index)++].code : 0;
}
