/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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,
+ DCP-o-matic 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.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
+
/** @file src/lib/file_group.h
* @brief FileGroup class.
*/
+
#ifndef DCPOMATIC_FILE_GROUP_H
#define DCPOMATIC_FILE_GROUP_H
-#include <vector>
+
+#include <dcp/file.h>
#include <boost/filesystem.hpp>
+#include <boost/optional.hpp>
+#include <vector>
+
/** @class FileGroup
* @brief A class to make a list of files behave like they were concatenated.
{
public:
FileGroup ();
- FileGroup (boost::filesystem::path);
- FileGroup (std::vector<boost::filesystem::path> const &);
- ~FileGroup ();
+ explicit FileGroup (boost::filesystem::path);
+ explicit FileGroup (std::vector<boost::filesystem::path> const &);
+
+ FileGroup (FileGroup const&) = delete;
+ FileGroup& operator= (FileGroup const&) = delete;
void set_paths (std::vector<boost::filesystem::path> const &);
+ struct Result {
+ Result(int bytes_read_, bool eof_)
+ : bytes_read(bytes_read_)
+ , eof(eof_)
+ {}
+
+ int bytes_read = 0;
+ bool eof = false;
+ };
+
int64_t seek (int64_t, int) const;
- int read (uint8_t*, int) const;
+ Result read (uint8_t*, int) const;
int64_t length () const;
private:
std::vector<boost::filesystem::path> _paths;
/** Index of path that we are currently reading from */
- mutable size_t _current_path;
- mutable FILE* _current_file;
+ mutable size_t _current_path = 0;
+ mutable boost::optional<dcp::File> _current_file;
+ mutable size_t _current_size = 0;
+ mutable int64_t _position = 0;
};
+
#endif