Squashed 'third_party/boostorg/serialization/' content from commit 738695b
Change-Id: I48528198ad1f62b90288d249eb2243d4db02fd5d
git-subtree-dir: third_party/boostorg/serialization
git-subtree-split: 738695b70733f9d592a570fb17a505d6a029b48a
diff --git a/include/boost/archive/iterators/escape.hpp b/include/boost/archive/iterators/escape.hpp
new file mode 100644
index 0000000..103b31e
--- /dev/null
+++ b/include/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)
+# 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/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,
+ typename boost::iterator_value<Base>::type,
+ single_pass_traversal_tag,
+ typename boost::iterator_value<Base>::type
+ >
+{
+ typedef typename boost::iterator_value<Base>::type base_value_type;
+ typedef typename boost::iterator_reference<Base>::type reference_type;
+ friend class boost::iterator_core_access;
+
+ typedef 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),
+ m_current_value(0)
+ {
+ }
+};
+
+} // namespace iterators
+} // namespace archive
+} // namespace boost
+
+#endif // BOOST_ARCHIVE_ITERATORS_ESCAPE_HPP