/*
 * Copyright 2013 (c) Anna Schumaker.
 */
#include <core/queue.h>
#include <core/string.h>
#include <stdlib.h>


static inline void *__queue_init(struct queue *queue, void *data)
{
	if (queue->q_ops)
		return queue->q_ops->qop_init(queue, data);
	return NULL;
}

static inline void __queue_deinit(struct queue *queue)
{
	if (queue->q_ops)
		queue->q_ops->qop_deinit(queue);
}

void queue_init(struct queue *queue, const struct queue_ops *ops, void *data)
{
	queue->q_length = 0;
	queue->q_sort   = NULL;
	queue->q_ops    = ops;

	g_queue_init(&queue->q_tracks);
	queue_iter_init(queue, &queue->q_cur);

	queue->q_private = __queue_init(queue, data);
}

void queue_deinit(struct queue *queue)
{
	g_queue_clear(&queue->q_tracks);
	__queue_deinit(queue);
	g_slist_free(queue->q_sort);
	queue->q_sort   = NULL;
}