+ DCP_ASSERT (!_file.empty ());
+
+ optional<boost::filesystem::path> path = relative_to_root (
+ boost::filesystem::canonical (root),
+ boost::filesystem::canonical (_file)
+ );
+
+ if (!path) {
+ /* The path of this asset is not within our DCP, so we assume it's an external
+ (referenced) one.
+ */
+ return;
+ }
+
+ xmlpp::Node* asset = node->add_child ("Asset");
+ asset->add_child("Id")->add_child_text ("urn:uuid:" + _id);
+ xmlpp::Node* chunk_list = asset->add_child ("ChunkList");
+ xmlpp::Node* chunk = chunk_list->add_child ("Chunk");
+
+ chunk->add_child("Path")->add_child_text (path.get().generic_string());
+ chunk->add_child("VolumeIndex")->add_child_text ("1");
+ chunk->add_child("Offset")->add_child_text ("0");
+ chunk->add_child("Length")->add_child_text (raw_convert<string> (boost::filesystem::file_size (_file)));