1 files changed, 40 insertions, 0 deletions
diff --git a/src/ref.cc b/src/ref.cc
new file mode 100644
index 00000000..ca2d7493
--- /dev/null
+++ b/src/ref.cc
@@ -0,0 +1,40 @@
+/*
+    Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "ref.h"
+
+using std::list;
+using boost::shared_ptr;
+using namespace dcp;
+
+/** Look through a list of assets and copy a shared_ptr to any asset
+ *  which matches the ID of this one.
+ */
+void
+Ref::resolve (list<shared_ptr<Asset> > assets)
+{
+	list<shared_ptr<Asset> >::iterator i = assets.begin();
+	while (i != assets.end() && !ids_equal ((*i)->id(), _id)) {
+		++i;
+	}
+
+	if (i != assets.end ()) {
+		_asset = *i;
+	}
+}