improve, cleanup, rationalize Session::cleanup_sources() and supporting infrastructure

git-svn-id: svn://localhost/ardour2/branches/3.0@9015 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 12 insertions, 0 deletions

diff --git a/libs/ardour/file_source.cc b/libs/ardour/file_source.cc
index ae7fbdc38c..bf68e2ec15 100644
--- a/libs/ardour/file_source.cc
+++ b/libs/ardour/file_source.cc
@@ -537,6 +537,18 @@ FileSource::set_within_session_from_path (const std::string& path)
 	_within_session = _session.path_is_within_session (path);
 }
 
+bool
+FileSource::is_stub_path (const std::string& path)
+{
+        return path.find (stub_dir_name) != string::npos;
+}
+
+bool
+FileSource::is_stub () const
+{
+        return is_stub_path (_path);
+}
+
 int
 FileSource::unstubify ()
 {