JSON Spirit library from http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx, MIT license

json/json_spirit_writer.h

@@ -0,0 +1,50 @@
+#ifndef JSON_SPIRIT_WRITER
+#define JSON_SPIRIT_WRITER
+
+//          Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include "json_spirit_value.h"
+#include <iostream>
+
+namespace json_spirit
+{
+    // functions to convert JSON Values to text, 
+    // the "formatted" versions add whitespace to format the output nicely
+
+    void         write          ( const Value& value, std::ostream&  os );
+    void         write_formatted( const Value& value, std::ostream&  os );
+    std::string  write          ( const Value& value );
+    std::string  write_formatted( const Value& value );
+
+#ifndef BOOST_NO_STD_WSTRING
+
+    void         write          ( const wValue& value, std::wostream& os );
+    void         write_formatted( const wValue& value, std::wostream& os );
+    std::wstring write          ( const wValue& value );
+    std::wstring write_formatted( const wValue& value );
+
+#endif
+
+    void         write          ( const mValue& value, std::ostream&  os );
+    void         write_formatted( const mValue& value, std::ostream&  os );
+    std::string  write          ( const mValue& value );
+    std::string  write_formatted( const mValue& value );
+
+#ifndef BOOST_NO_STD_WSTRING
+
+    void         write          ( const wmValue& value, std::wostream& os );
+    void         write_formatted( const wmValue& value, std::wostream& os );
+    std::wstring write          ( const wmValue& value );
+    std::wstring write_formatted( const wmValue& value );
+
+#endif
+}
+
+#endif