diff DEPENDENCIES/generic/include/boost/archive/iterators/unescape.hpp @ 16:2665513ce2d3

Add boost headers
author Chris Cannam
date Tue, 05 Aug 2014 11:11:38 +0100
parents
children c530137014c0
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DEPENDENCIES/generic/include/boost/archive/iterators/unescape.hpp	Tue Aug 05 11:11:38 2014 +0100
@@ -0,0 +1,91 @@
+#ifndef BOOST_ARCHIVE_ITERATORS_UNESCAPE_HPP
+#define BOOST_ARCHIVE_ITERATORS_UNESCAPE_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
+// unescape.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 <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME
+#include <boost/iterator/iterator_adaptor.hpp>
+//#include <boost/iterator/iterator_traits.hpp>
+#include <boost/pointee.hpp>
+
+namespace boost { 
+namespace archive {
+namespace iterators {
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// class used by text archives to translate char strings to wchar_t
+// strings of the currently selected locale
+template<class Derived, class Base>
+class unescape 
+    : public boost::iterator_adaptor<
+        unescape<Derived, Base>,
+        Base, 
+        BOOST_DEDUCED_TYPENAME pointee<Base>::type,
+        single_pass_traversal_tag,
+        BOOST_DEDUCED_TYPENAME pointee<Base>::type
+    >
+{
+    friend class boost::iterator_core_access;
+    typedef BOOST_DEDUCED_TYPENAME boost::iterator_adaptor<
+        unescape<Derived, Base>, 
+        Base, 
+        BOOST_DEDUCED_TYPENAME pointee<Base>::type,
+        single_pass_traversal_tag,
+        BOOST_DEDUCED_TYPENAME pointee<Base>::type
+    > super_t;
+
+    typedef unescape<Derived, Base> this_t;
+public:
+    typedef BOOST_DEDUCED_TYPENAME this_t::value_type value_type;
+    typedef BOOST_DEDUCED_TYPENAME this_t::reference reference;
+private:
+    value_type dereference_impl() {
+        if(! m_full){
+            m_current_value = static_cast<Derived *>(this)->drain();
+            m_full = true;
+        }
+        return m_current_value;
+    }
+
+    reference dereference() const {
+        return const_cast<this_t *>(this)->dereference_impl();
+    }
+
+    value_type m_current_value;
+    bool m_full;
+
+    void increment(){
+        ++(this->base_reference());
+        dereference_impl();
+        m_full = false;
+    };
+
+public:
+
+    unescape(Base base) : 
+        super_t(base),
+        m_full(false)
+    {}
+
+};
+
+} // namespace iterators
+} // namespace archive
+} // namespace boost
+
+#endif // BOOST_ARCHIVE_ITERATORS_UNESCAPE_HPP