X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Ffile_group.h;h=800d9a059ec949e19497f2aca0256ab7bd9feeb2;hp=5a65de96f7584e3afdab1ad71fd928f5df3b3005;hb=HEAD;hpb=cc27c2716f755305d67f1e1ba828ecf37f8405dd diff --git a/src/lib/file_group.h b/src/lib/file_group.h index 5a65de96f..aac72c228 100644 --- a/src/lib/file_group.h +++ b/src/lib/file_group.h @@ -1,31 +1,38 @@ /* - Copyright (C) 2013-2014 Carl Hetherington + Copyright (C) 2013-2021 Carl Hetherington - 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 . */ + /** @file src/lib/file_group.h * @brief FileGroup class. */ + #ifndef DCPOMATIC_FILE_GROUP_H #define DCPOMATIC_FILE_GROUP_H -#include + +#include #include +#include +#include + /** @class FileGroup * @brief A class to make a list of files behave like they were concatenated. @@ -34,14 +41,26 @@ class FileGroup { public: FileGroup (); - FileGroup (boost::filesystem::path); - FileGroup (std::vector const &); - ~FileGroup (); + explicit FileGroup (boost::filesystem::path); + explicit FileGroup (std::vector const &); + + FileGroup (FileGroup const&) = delete; + FileGroup& operator= (FileGroup const&) = delete; void set_paths (std::vector 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: @@ -49,8 +68,11 @@ private: std::vector _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 _current_file; + mutable size_t _current_size = 0; + mutable int64_t _position = 0; }; + #endif