Support reading of encrypted subtitles.

[libdcp.git] / src / raw_convert.h

diff --git a/src/raw_convert.h b/src/raw_convert.h
index 90737c0c4d065e81873acba93a6edffaed883fd5..585c18fc2910717b4d85e9aecbcf3d8010caf88f 100644 (file)
--- a/src/raw_convert.h
+++ b/src/raw_convert.h
@@ -1,27 +1,42 @@
 /*
     Copyright (C) 2014 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_RAW_CONVERT_H
 #define LIBDCP_RAW_CONVERT_H
 
-#include <sstream>
+#include <boost/static_assert.hpp>
 #include <iomanip>
+#include <stdint.h>
 
 namespace dcp {
 
@@ -30,17 +45,74 @@ namespace dcp {
  */
 template <typename P, typename Q>
 P
-raw_convert (Q v, int precision = 16)
+raw_convert (Q v, int precision = 16, bool fixed = false)
 {
-       std::stringstream s;
-       s.imbue (std::locale::classic ());
-       s << std::setprecision (precision);
-       s << v;
-       P r;
-       s >> r;
-       return r;
+       /* We can't write a generic version of raw_convert; all required
+          versions must be specialised.
+       */
+       BOOST_STATIC_ASSERT (sizeof (Q) == 0);
 }
 
-};
+template <>
+std::string
+raw_convert (int v, int, bool);
+
+template <>
+std::string
+raw_convert (unsigned int v, int, bool);
+
+template <>
+std::string
+raw_convert (int64_t v, int, bool);
+
+template <>
+std::string
+raw_convert (uint64_t v, int, bool);
+
+template <>
+std::string
+raw_convert (float v, int, bool);
+
+template <>
+std::string
+raw_convert (double v, int, bool);
+
+template <>
+std::string
+raw_convert (char const * v, int, bool);
+
+template <>
+std::string
+raw_convert (char* v, int, bool);
+
+template <>
+std::string
+raw_convert (std::string v, int, bool);
+
+template <>
+int
+raw_convert (std::string v, int, bool);
+
+template <>
+int
+raw_convert (char const * v, int, bool);
+
+template <>
+float
+raw_convert (std::string v, int, bool);
+
+template <>
+float
+raw_convert (char const * v, int, bool);
+
+template <>
+double
+raw_convert (std::string v, int, bool);
+
+template <>
+double
+raw_convert (char const * v, int, bool);
+
+}
 
 #endif