Added boost header

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

@@ -0,0 +1,115 @@
+#ifndef BOOST_ARCHIVE_ITERATORS_ESCAPE_HPP
+#define BOOST_ARCHIVE_ITERATORS_ESCAPE_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
+// escape.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> // NULL
+
+#include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME
+#include <boost/iterator/iterator_adaptor.hpp>
+#include <boost/iterator/iterator_traits.hpp>
+
+namespace boost { 
+namespace archive {
+namespace iterators {
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// insert escapes into text
+
+template<class Derived, class Base>
+class escape : 
+    public boost::iterator_adaptor<
+        Derived, 
+        Base, 
+        BOOST_DEDUCED_TYPENAME boost::iterator_value<Base>::type,
+        single_pass_traversal_tag,
+        BOOST_DEDUCED_TYPENAME boost::iterator_value<Base>::type
+    >
+{
+    typedef BOOST_DEDUCED_TYPENAME boost::iterator_value<Base>::type base_value_type;
+    typedef BOOST_DEDUCED_TYPENAME boost::iterator_reference<Base>::type reference_type;
+    friend class boost::iterator_core_access;
+
+    typedef BOOST_DEDUCED_TYPENAME boost::iterator_adaptor<
+        Derived, 
+        Base, 
+        base_value_type,
+        single_pass_traversal_tag,
+        base_value_type
+    > super_t;
+
+    typedef escape<Derived, Base> this_t;
+
+    void dereference_impl() {
+        m_current_value = static_cast<Derived *>(this)->fill(m_bnext, m_bend);
+        m_full = true;
+    }
+
+    //Access the value referred to 
+    reference_type dereference() const {
+        if(!m_full)
+            const_cast<this_t *>(this)->dereference_impl();
+        return m_current_value;
+    }
+
+    bool equal(const this_t & rhs) const {
+        if(m_full){
+            if(! rhs.m_full)
+                const_cast<this_t *>(& rhs)->dereference_impl();
+        }
+        else{
+            if(rhs.m_full)
+                const_cast<this_t *>(this)->dereference_impl();
+        }
+        if(m_bnext != rhs.m_bnext)
+            return false;
+        if(this->base_reference() != rhs.base_reference())
+            return false;
+        return true;
+    }
+
+   void increment(){
+        if(++m_bnext < m_bend){
+            m_current_value = *m_bnext;
+            return;
+        }
+        ++(this->base_reference());
+        m_bnext = NULL;
+        m_bend = NULL;
+        m_full = false;
+    }
+
+    // buffer to handle pending characters
+    const base_value_type *m_bnext;
+    const base_value_type *m_bend;
+    bool m_full;
+    base_value_type m_current_value;
+public:
+    escape(Base base) : 
+        super_t(base),
+        m_bnext(NULL),
+        m_bend(NULL),
+        m_full(false)
+    {
+    }
+};
+
+} // namespace iterators
+} // namespace archive
+} // namespace boost
+
+#endif // BOOST_ARCHIVE_ITERATORS_ESCAPE_HPP