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-rw-r--r--3rdParty/Boost/src/boost/optional/optional_io.hpp84
1 files changed, 84 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/optional/optional_io.hpp b/3rdParty/Boost/src/boost/optional/optional_io.hpp
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+// Copyright (C) 2005, Fernando Luis Cacciola Carballal.
+//
+// Use, modification, and distribution is subject to the Boost Software
+// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/optional for documentation.
+//
+// You are welcome to contact the author at:
+// fernando_cacciola@hotmail.com
+//
+#ifndef BOOST_OPTIONAL_OPTIONAL_IO_FLC_19NOV2002_HPP
+#define BOOST_OPTIONAL_OPTIONAL_IO_FLC_19NOV2002_HPP
+
+#if defined __GNUC__
+# if (__GNUC__ == 2 && __GNUC_MINOR__ <= 97)
+# define BOOST_OPTIONAL_NO_TEMPLATED_STREAMS
+# endif
+#endif // __GNUC__
+
+#if defined BOOST_OPTIONAL_NO_TEMPLATED_STREAMS
+# include <iostream>
+#else
+# include <istream>
+# include <ostream>
+#endif
+
+
+#include "boost/optional/optional.hpp"
+#include "boost/utility/value_init.hpp"
+
+namespace boost
+{
+
+#if defined (BOOST_NO_TEMPLATED_STREAMS)
+template<class T>
+inline std::ostream& operator<<(std::ostream& out, optional<T> const& v)
+#else
+template<class CharType, class CharTrait, class T>
+inline
+std::basic_ostream<CharType, CharTrait>&
+operator<<(std::basic_ostream<CharType, CharTrait>& out, optional<T> const& v)
+#endif
+{
+ if ( out.good() )
+ {
+ if ( !v )
+ out << "--" ;
+ else out << ' ' << *v ;
+ }
+
+ return out;
+}
+
+#if defined (BOOST_NO_TEMPLATED_STREAMS)
+template<class T>
+inline std::istream& operator>>(std::istream& in, optional<T>& v)
+#else
+template<class CharType, class CharTrait, class T>
+inline
+std::basic_istream<CharType, CharTrait>&
+operator>>(std::basic_istream<CharType, CharTrait>& in, optional<T>& v)
+#endif
+{
+ if ( in.good() )
+ {
+ int d = in.get();
+ if ( d == ' ' )
+ {
+ T x ;
+ in >> x;
+ v = x ;
+ }
+ else
+ v = optional<T>() ;
+ }
+
+ return in;
+}
+
+} // namespace boost
+
+#endif
+