libsaria: Create iterator functions for the queue

include/libsaria/queue.h

@@ -9,6 +9,12 @@ namespace libsaria
 {
 	namespace queue
 	{
+		namespace iter
+		{
+			void reset();
+			libsaria::Track *next();
+			bool end();
+		}
 
 		void add_ids(list<sid_t> &);
 		void for_each(SourceModel *);

libsaria/queue/iter.cpp

@@ -0,0 +1,31 @@
+
+#include <libsaria/library.h>
+#include <libsaria/queue.h>
+#include "queue.h"
+
+static deque<sid_t>::iterator it;
+
+namespace libsaria
+{
+	namespace queue
+	{
+
+		void iter::reset()
+		{
+			it = playqueue.begin();
+		}
+
+		libsaria::Track *iter::next()
+		{
+			Track *track = library::get_info(*it);
+			it++;
+			return track;
+		}
+
+		bool iter::end()
+		{
+			return it == playqueue.end();
+		}
+
+	}; /* Namespace: queue */
+} /* Namespace: libsaria */

libsaria/queue/queue.cpp

@@ -6,8 +6,9 @@ using namespace std;
 #include <libsaria/queue.h>
 #include <libsaria/library.h>
 #include <libsaria/callback.h>
+#include "queue.h"
 
-static deque<sid_t> playqueue;
+deque<sid_t> playqueue;
 
 static void pop_queue(sid_t &inode)
 {

libsaria/queue/queue.h

@@ -0,0 +1,11 @@
+#ifndef LIBSARIA_QUEUE_INTERNAL_H
+#define LIBSARIA_QUEUE_INTERNAL_H
+
+#include <libsaria/track.h>
+
+#include <queue>
+using namespace std;
+
+extern deque<sid_t> playqueue;
+
+#endif /* LIBSARIA_QUEUE_INTERNAL_H */