Some compilers don't like x = {} where x is a boost::optional<string>

[libdcp.git] / src / data.h

diff --git a/src/data.h b/src/data.h
index 12949fe44fa346a0c6ffeda76c590eeb3bdca762..063187a6b2e577803f430780854437fb6464b0b1 100644 (file)
--- a/src/data.h
+++ b/src/data.h
@@ -1,54 +1,72 @@
 /*
-    Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2015-2021 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of libdcp.
+
+    libdcp 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,
+    libdcp 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 libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
 
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
 */
 
-#ifndef LIBDCP_DATA_H
-#define LIBDCP_DATA_H
 
 /** @file  src/data.h
- *  @brief Data class.
+ *  @brief Data class
  */
 
-#include <boost/shared_array.hpp>
+
+#ifndef LIBDCP_DATA_H
+#define LIBDCP_DATA_H
+
+
 #include <boost/filesystem.hpp>
 #include <stdint.h>
 
+
 namespace dcp {
 
-/** A block of arbitrary data */
+
 class Data
 {
 public:
-       Data () {}
+       virtual ~Data () {}
 
-       Data (boost::shared_array<uint8_t> data_, boost::uintmax_t size_)
-               : data (data_)
-               , size (size_)
-       {}
+       void write (boost::filesystem::path file) const;
+       void write_via_temp (boost::filesystem::path temp, boost::filesystem::path final) const;
 
-       Data (uint8_t const * data, boost::uintmax_t size_);
+       virtual uint8_t const * data () const = 0;
+       virtual uint8_t * data () = 0;
+       virtual int size () const = 0;
+};
 
-       Data (boost::filesystem::path file);
 
-       boost::shared_array<uint8_t> data;
-       boost::uintmax_t size;
-};
+bool operator==(Data const & a, Data const & b);
+bool operator!=(Data const & a, Data const & b);
+
 
 }
 
+
 #endif