Added boost header

test/external/boost/archive/iterators/base64_from_binary.hpp

@@ -0,0 +1,112 @@
+#ifndef BOOST_ARCHIVE_ITERATORS_BASE64_FROM_BINARY_HPP
+#define BOOST_ARCHIVE_ITERATORS_BASE64_FROM_BINARY_HPP
+
+// MS compatible compilers support #pragma once
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// base64_from_binary.hpp
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
+// 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 for updates, documentation, and revision history.
+
+#include <boost/assert.hpp>
+
+#include <cstddef> // size_t
+#include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{ 
+    using ::size_t; 
+} // namespace std
+#endif
+
+#include <boost/serialization/pfto.hpp>
+
+#include <boost/iterator/transform_iterator.hpp>
+#include <boost/archive/iterators/dataflow_exception.hpp>
+
+namespace boost { 
+namespace archive {
+namespace iterators {
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// convert binary integers to base64 characters
+
+namespace detail {
+
+template<class CharType>
+struct from_6_bit {
+    typedef CharType result_type;
+    CharType operator()(CharType t) const{
+        const char * lookup_table = 
+            "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+            "abcdefghijklmnopqrstuvwxyz"
+            "0123456789"
+            "+/";
+        BOOST_ASSERT(t < 64);
+        return lookup_table[static_cast<size_t>(t)];
+    }
+};
+
+} // namespace detail
+
+// note: what we would like to do is
+// template<class Base, class CharType = BOOST_DEDUCED_TYPENAME Base::value_type>
+//  typedef transform_iterator<
+//      from_6_bit<CharType>,
+//      transform_width<Base, 6, sizeof(Base::value_type) * 8, CharType>
+//  > base64_from_binary;
+// but C++ won't accept this.  Rather than using a "type generator" and
+// using a different syntax, make a derivation which should be equivalent.
+//
+// Another issue addressed here is that the transform_iterator doesn't have
+// a templated constructor.  This makes it incompatible with the dataflow
+// ideal.  This is also addressed here.
+
+//template<class Base, class CharType = BOOST_DEDUCED_TYPENAME Base::value_type>
+template<
+    class Base, 
+    class CharType = BOOST_DEDUCED_TYPENAME boost::iterator_value<Base>::type
+>
+class base64_from_binary : 
+    public transform_iterator<
+        detail::from_6_bit<CharType>,
+        Base
+    >
+{
+    friend class boost::iterator_core_access;
+    typedef transform_iterator<
+        BOOST_DEDUCED_TYPENAME detail::from_6_bit<CharType>,
+        Base
+    > super_t;
+
+public:
+    // make composible buy using templated constructor
+    template<class T>
+    base64_from_binary(BOOST_PFTO_WRAPPER(T) start) :
+        super_t(
+            Base(BOOST_MAKE_PFTO_WRAPPER(static_cast< T >(start))),
+            detail::from_6_bit<CharType>()
+        )
+    {}
+    // intel 7.1 doesn't like default copy constructor
+    base64_from_binary(const base64_from_binary & rhs) : 
+        super_t(
+            Base(rhs.base_reference()),
+            detail::from_6_bit<CharType>()
+        )
+    {}
+//    base64_from_binary(){};
+};
+
+} // namespace iterators
+} // namespace archive
+} // namespace boost
+
+#endif // BOOST_ARCHIVE_ITERATORS_BASE64_FROM_BINARY_HPP