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| author | Kevin Smith <git@kismith.co.uk> | 2013-01-04 19:42:37 (GMT) |
|---|---|---|
| committer | Kevin Smith <git@kismith.co.uk> | 2013-04-06 13:36:54 (GMT) |
| commit | 3333ab69d62d1be7ae7dd7a4e56cc4bb608d3add (patch) | |
| tree | 5ee630b666ae21dd4c4202703c158383de1faf91 /3rdParty/Boost/src/boost/archive/iterators/istream_iterator.hpp | |
| parent | b9ef4566d31219d66a615b1eae042a01828c8b7d (diff) | |
| download | swift-3333ab69d62d1be7ae7dd7a4e56cc4bb608d3add.zip swift-3333ab69d62d1be7ae7dd7a4e56cc4bb608d3add.tar.bz2 | |
Add boost serialization library
We'll need it before too long
Change-Id: Ia34c7f26e1aedbc13a2fc10c980994cbcb7cb348
Diffstat (limited to '3rdParty/Boost/src/boost/archive/iterators/istream_iterator.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/archive/iterators/istream_iterator.hpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/archive/iterators/istream_iterator.hpp b/3rdParty/Boost/src/boost/archive/iterators/istream_iterator.hpp new file mode 100644 index 0000000..1df612d --- /dev/null +++ b/3rdParty/Boost/src/boost/archive/iterators/istream_iterator.hpp @@ -0,0 +1,95 @@ +#ifndef BOOST_ARCHIVE_ITERATORS_ISTREAM_ITERATOR_HPP +#define BOOST_ARCHIVE_ITERATORS_ISTREAM_ITERATOR_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 +// istream_iterator.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. + +// note: this is a custom version of the standard istream_iterator. +// This is necessary as the standard version doesn't work as expected +// for wchar_t based streams on systems for which wchar_t not a true +// type but rather a synonym for some integer type. + +#include <cstddef> // NULL +#include <istream> +#include <boost/iterator/iterator_facade.hpp> + +namespace boost { +namespace archive { +namespace iterators { + +// given a type, make an input iterator based on a pointer to that type +template<class Elem = char> +class istream_iterator : + public boost::iterator_facade< + istream_iterator<Elem>, + Elem, + std::input_iterator_tag, + Elem + > +{ + friend class boost::iterator_core_access; + typedef istream_iterator this_t ; + typedef BOOST_DEDUCED_TYPENAME boost::iterator_facade< + istream_iterator<Elem>, + Elem, + std::input_iterator_tag, + Elem + > super_t; + typedef BOOST_DEDUCED_TYPENAME std::basic_istream<Elem> istream_type; + + //Access the value referred to + Elem dereference() const { + return m_current_value; + } + + bool equal(const this_t & rhs) const { + // note: only works for comparison against end of stream + return m_istream == rhs.m_istream; + } + + void increment(){ + if(NULL != m_istream){ + m_current_value = static_cast<Elem>(m_istream->get()); + if(! m_istream->good()){ + const_cast<this_t *>(this)->m_istream = NULL; + } + } + } + + istream_type *m_istream; + Elem m_current_value; +public: + istream_iterator(istream_type & is) : + m_istream(& is) + { + increment(); + } + + istream_iterator() : + m_istream(NULL) + {} + + istream_iterator(const istream_iterator<Elem> & rhs) : + m_istream(rhs.m_istream), + m_current_value(rhs.m_current_value) + {} + +}; + +} // namespace iterators +} // namespace archive +} // namespace boost + +#endif // BOOST_ARCHIVE_ITERATORS_ISTREAM_ITERATOR_HPP |