Added boost header

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

@@ -0,0 +1,136 @@
+#ifndef BOOST_ARCHIVE_ITERATORS_MB_FROM_WCHAR_HPP
+#define BOOST_ARCHIVE_ITERATORS_MB_FROM_WCHAR_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
+// mb_from_wchar.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 <cstdlib> // for wctomb()
+
+#include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{ 
+    using ::size_t; 
+    using ::wctomb;
+} // namespace std
+#endif
+
+#include <boost/serialization/pfto.hpp>
+#include <boost/iterator/iterator_adaptor.hpp>
+
+namespace boost { 
+namespace archive {
+namespace iterators {
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// class used by text archives to translate wide strings and to char
+// strings of the currently selected locale
+template<class Base>    // the input iterator
+class mb_from_wchar
+    : public boost::iterator_adaptor<
+        mb_from_wchar<Base>, 
+        Base, 
+        wchar_t,
+        single_pass_traversal_tag,
+        char
+    >
+{
+    friend class boost::iterator_core_access;
+
+    typedef BOOST_DEDUCED_TYPENAME boost::iterator_adaptor<
+        mb_from_wchar<Base>, 
+        Base, 
+        wchar_t,
+        single_pass_traversal_tag,
+        char
+    > super_t;
+
+    typedef mb_from_wchar<Base> this_t;
+
+    char dereference_impl() {
+        if(! m_full){
+            fill();
+            m_full = true;
+        }
+        return m_buffer[m_bnext];
+    }
+    char dereference() const {
+        return (const_cast<this_t *>(this))->dereference_impl();
+    }
+
+    // test for iterator equality
+    bool equal(const mb_from_wchar<Base> & rhs) const {
+        // once the value is filled, the base_reference has been incremented
+        // so don't permit comparison anymore.
+        return 
+            0 == m_bend
+            && 0 == m_bnext
+            && this->base_reference() == rhs.base_reference()
+        ;
+    }
+
+    void fill(){
+        wchar_t value = * this->base_reference();
+        #if (defined(__MINGW32__) && ((__MINGW32_MAJOR_VERSION > 3) \
+        || ((__MINGW32_MAJOR_VERSION == 3) && (__MINGW32_MINOR_VERSION >= 8))))
+        m_bend = std::wcrtomb(m_buffer, value, 0);
+        #else
+        m_bend = std::wctomb(m_buffer, value);
+        #endif
+        BOOST_ASSERT(-1 != m_bend);
+        BOOST_ASSERT((std::size_t)m_bend <= sizeof(m_buffer));
+        BOOST_ASSERT(m_bend > 0);
+        m_bnext = 0;
+    }
+
+    void increment(){
+        if(++m_bnext < m_bend)
+            return;
+        m_bend = 
+        m_bnext = 0;
+        ++(this->base_reference());
+        m_full = false;
+    }
+
+    // buffer to handle pending characters
+    int m_bend;
+    int m_bnext;
+    char m_buffer[9];
+    bool m_full;
+
+public:
+    // make composible buy using templated constructor
+    template<class T>
+    mb_from_wchar(BOOST_PFTO_WRAPPER(T) start) :
+        super_t(Base(BOOST_MAKE_PFTO_WRAPPER(static_cast< T >(start)))),
+        m_bend(0),
+        m_bnext(0),
+        m_full(false)
+    {}
+    // intel 7.1 doesn't like default copy constructor
+    mb_from_wchar(const mb_from_wchar & rhs) : 
+        super_t(rhs.base_reference()),
+        m_bend(rhs.m_bend),
+        m_bnext(rhs.m_bnext),
+        m_full(rhs.m_full)
+    {}
+};
+
+} // namespace iterators
+} // namespace archive
+} // namespace boost
+
+#endif // BOOST_ARCHIVE_ITERATORS_MB_FROM_WCHAR_HPP