/* Simple Plugin API
 * Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include <stdint.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>

#include <spa/type-map.h>

#include <lib/debug.h>

#define MAX_TYPES 4096

struct type_map {
	struct spa_type_map map;
	char *types[MAX_TYPES];
	unsigned int n_types;
};

static uint32_t type_map_get_id(struct spa_type_map *map, const char *type)
{
	struct type_map *this = SPA_CONTAINER_OF(map, struct type_map, map);
	unsigned int i = 0;

	if (type != NULL) {
		for (i = 1; i <= this->n_types; i++) {
			if (strcmp(this->types[i], type) == 0)
				return i;
		}
		this->types[i] = (char *) type;
		this->n_types++;
	}
	return i;
}

static const char *type_map_get_type(const struct spa_type_map *map, uint32_t id)
{
	struct type_map *this = SPA_CONTAINER_OF(map, struct type_map, map);

	if (id <= this->n_types)
		return this->types[id];

	return NULL;
}

static size_t type_map_get_size(const struct spa_type_map *map)
{
	struct type_map *this = SPA_CONTAINER_OF(map, struct type_map, map);
	return this->n_types;
}

static struct type_map default_type_map = {
	{sizeof(struct spa_type_map),
	 NULL,
	 type_map_get_id,
	 type_map_get_type,
	 type_map_get_size,
	 },
	{NULL,},
	0
};

static struct spa_type_map *default_map = &default_type_map.map;

struct spa_type_map *spa_type_map_get_default(void)
{
	return default_map;
}

void spa_type_map_set_default(struct spa_type_map *map)
{
	default_map = map;
}