Rename SafeStringStream -> locked_stringstream. Bump deps for removal of stringstream.

[dcpomatic.git] / src / lib / raw_convert.h

diff --git a/src/lib/raw_convert.h b/src/lib/raw_convert.h
index 96bd7f6335042d71d99f4244c617c935dfc5d2b2..92d8e3d32a979dd290dd992a5f9d27a45794854f 100644 (file)
--- a/src/lib/raw_convert.h
+++ b/src/lib/raw_convert.h
@@ -1,26 +1,27 @@
 /*
     Copyright (C) 2014-2015 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/>.
 
 */
 
 #ifndef DCPOMATIC_RAW_CONVERT_H
 #define DCPOMATIC_RAW_CONVERT_H
 
-#include "safe_stringstream.h"
+#include <locked_sstream.h>
 #include <iomanip>
 
 /** A sort-of version of boost::lexical_cast that does uses the "C"
@@ -30,13 +31,30 @@ template <typename P, typename Q>
 P
 raw_convert (Q v, int precision = 16)
 {
-       SafeStringStream s;
+       locked_stringstream s;
        s.imbue (std::locale::classic ());
        s << std::setprecision (precision);
        s << v;
-       P r;
+       /* If the s >> r below fails to convert anything, we want r to
+          be left as a defined value.  This construct (I believe) achieves
+          this by setting r to the default value of type P, even if P
+          is a POD type.
+       */
+       P r = P ();
        s >> r;
        return r;
 }
 
+template <>
+std::string
+raw_convert<std::string, char const *> (char const * v, int);
+
+template <>
+std::string
+raw_convert<std::string, char*> (char* v, int);
+
+template <>
+std::string
+raw_convert<std::string, std::string> (std::string v, int);
+
 #endif