Add FileGroup.

1 files changed, 46 insertions, 0 deletions

diff --git a/src/lib/file_group.h b/src/lib/file_group.h
new file mode 100644
index 000000000..99803d386
--- /dev/null
+++ b/src/lib/file_group.h
@@ -0,0 +1,46 @@
+/*
+    Copyright (C) 2013 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.
+
+*/
+
+#ifndef DCPOMATIC_FILE_GROUP_H
+#define DCPOMATIC_FILE_GROUP_H
+
+#include <vector>
+#include <boost/filesystem.hpp>
+
+class FileGroup
+{
+public:
+	FileGroup (boost::filesystem::path);
+	FileGroup (std::vector<boost::filesystem::path> const &);
+	~FileGroup ();
+
+	int64_t seek (int64_t, int) const;
+	int read (uint8_t*, int) const;
+	int64_t length () const;
+
+private:
+	void ensure_open_path (size_t) const;
+
+	std::vector<boost::filesystem::path> _paths;
+	/** Index of path that we are currently reading from */
+	mutable size_t _current_path;
+	mutable FILE* _current_file;
+};
+
+#endif