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Diffstat (limited to '3rdParty/Boost/src/boost/archive/iterators/wchar_from_mb.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/archive/iterators/wchar_from_mb.hpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/archive/iterators/wchar_from_mb.hpp b/3rdParty/Boost/src/boost/archive/iterators/wchar_from_mb.hpp new file mode 100644 index 0000000..4da8121 --- /dev/null +++ b/3rdParty/Boost/src/boost/archive/iterators/wchar_from_mb.hpp @@ -0,0 +1,129 @@ +#ifndef BOOST_ARCHIVE_ITERATORS_WCHAR_FROM_MB_HPP +#define BOOST_ARCHIVE_ITERATORS_WCHAR_FROM_MB_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 +// wchar_from_mb.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 <cctype> +#include <cstddef> // size_t +#include <cstdlib> // mblen + +#include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME +#if defined(BOOST_NO_STDC_NAMESPACE) +namespace std{ + using ::mblen; + using ::mbtowc; +} // namespace std +#endif + +#include <boost/serialization/throw_exception.hpp> +#include <boost/serialization/pfto.hpp> + +#include <boost/iterator/iterator_adaptor.hpp> +#include <boost/archive/iterators/dataflow_exception.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 Base> +class wchar_from_mb + : public boost::iterator_adaptor< + wchar_from_mb<Base>, + Base, + wchar_t, + single_pass_traversal_tag, + wchar_t + > +{ + friend class boost::iterator_core_access; + typedef BOOST_DEDUCED_TYPENAME boost::iterator_adaptor< + wchar_from_mb<Base>, + Base, + wchar_t, + single_pass_traversal_tag, + wchar_t + > super_t; + + typedef wchar_from_mb<Base> this_t; + + wchar_t drain(); + + wchar_t dereference_impl() { + if(! m_full){ + m_current_value = drain(); + m_full = true; + } + return m_current_value; + } + + wchar_t dereference() const { + return const_cast<this_t *>(this)->dereference_impl(); + } + + void increment(){ + dereference_impl(); + m_full = false; + ++(this->base_reference()); + }; + + wchar_t m_current_value; + bool m_full; + +public: + // make composible buy using templated constructor + template<class T> + wchar_from_mb(BOOST_PFTO_WRAPPER(T) start) : + super_t(Base(BOOST_MAKE_PFTO_WRAPPER(static_cast< T >(start)))), + m_full(false) + {} + // intel 7.1 doesn't like default copy constructor + wchar_from_mb(const wchar_from_mb & rhs) : + super_t(rhs.base_reference()), + m_full(rhs.m_full) + {} +}; + +template<class Base> +wchar_t wchar_from_mb<Base>::drain(){ + char buffer[9]; + char * bptr = buffer; + char val; + for(std::size_t i = 0; i++ < (unsigned)MB_CUR_MAX;){ + val = * this->base_reference(); + *bptr++ = val; + int result = std::mblen(buffer, i); + if(-1 != result) + break; + ++(this->base_reference()); + } + wchar_t retval; + int result = std::mbtowc(& retval, buffer, MB_CUR_MAX); + if(0 >= result) + boost::serialization::throw_exception(iterators::dataflow_exception( + iterators::dataflow_exception::invalid_conversion + )); + return retval; +} + +} // namespace iterators +} // namespace archive +} // namespace boost + +#endif // BOOST_ARCHIVE_ITERATORS_WCHAR_FROM_MB_HPP |