Use PBD string conversion functions in PBD::Property class

gtk2_ardour/midi_streamview.cc

@@ -33,6 +33,7 @@
 #include "ardour/region_factory.h"
 #include "ardour/session.h"
 #include "ardour/smf_source.h"
+#include "ardour/evoral_types_convert.h"
 
 #include "gui_thread.h"
 #include "midi_region_view.h"

libs/ardour/ardour/midi_region.h

@@ -26,6 +26,8 @@
 #include "evoral/Beats.hpp"
 #include "evoral/Range.hpp"
 
+#include "pbd/string_convert.h"
+
 #include "ardour/ardour.h"
 #include "ardour/midi_cursor.h"
 #include "ardour/region.h"

libs/ardour/midi_diskstream.cc

@@ -40,6 +40,7 @@
 #include "ardour/audioengine.h"
 #include "ardour/butler.h"
 #include "ardour/debug.h"
+#include "ardour/evoral_types_convert.h"
 #include "ardour/io.h"
 #include "ardour/midi_diskstream.h"
 #include "ardour/midi_model.h"

libs/ardour/midi_region.cc

@@ -44,6 +44,7 @@
 #include "ardour/source_factory.h"
 #include "ardour/tempo.h"
 #include "ardour/types.h"
+#include "ardour/evoral_types_convert.h"
 
 #include "pbd/i18n.h"
 #include <locale.h>

libs/ardour/region.cc

@@ -37,6 +37,7 @@
 #include "ardour/source.h"
 #include "ardour/tempo.h"
 #include "ardour/transient_detector.h"
+#include "ardour/types_convert.h"
 
 #include "pbd/i18n.h"
 

libs/pbd/pbd/properties.h

@@ -21,10 +21,8 @@
 #define __pbd_properties_h__
 
 #include <string>
-#include <sstream>
 #include <list>
 #include <set>
-#include <iostream>
 
 #include "pbd/libpbd_visibility.h"
 #include "pbd/xml++.h"
@@ -32,6 +30,7 @@
 #include "pbd/property_list.h"
 #include "pbd/enumwriter.h"
 #include "pbd/stateful.h"
+#include "pbd/string_convert.h"
 
 namespace PBD {
 
@@ -265,17 +264,11 @@ private:
 	 * other than C or POSIX locales.
 	 */
 	virtual std::string to_string (T const& v) const {
-		std::stringstream s;
-		s.precision (12); // in case its floating point
-		s << v;
-		return s.str ();
+		return PBD::to_string (v);
 	}
 
 	virtual T from_string (std::string const& s) const {
-		std::stringstream t (s);
-		T                 v;
-		t >> v;
-		return v;
+		return PBD::string_to<T>(s);
 	}
 
 };