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Diffstat (limited to '3rdParty/Boost/src/boost/archive/iterators/mb_from_wchar.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/archive/iterators/mb_from_wchar.hpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/archive/iterators/mb_from_wchar.hpp b/3rdParty/Boost/src/boost/archive/iterators/mb_from_wchar.hpp new file mode 100644 index 0000000..d8f8a12 --- /dev/null +++ b/3rdParty/Boost/src/boost/archive/iterators/mb_from_wchar.hpp @@ -0,0 +1,136 @@ +#ifndef BOOST_ARCHIVE_ITERATORS_MB_FROM_WCHAR_HPP +#define BOOST_ARCHIVE_ITERATORS_MB_FROM_WCHAR_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 +// mb_from_wchar.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> // size_t +#include <cstdlib> // for wctomb() + +#include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME +#if defined(BOOST_NO_STDC_NAMESPACE) +namespace std{ + using ::size_t; + using ::wctomb; +} // namespace std +#endif + +#include <boost/serialization/pfto.hpp> +#include <boost/iterator/iterator_adaptor.hpp> + +namespace boost { +namespace archive { +namespace iterators { + +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// class used by text archives to translate wide strings and to char +// strings of the currently selected locale +template<class Base> // the input iterator +class mb_from_wchar + : public boost::iterator_adaptor< + mb_from_wchar<Base>, + Base, + wchar_t, + single_pass_traversal_tag, + char + > +{ + friend class boost::iterator_core_access; + + typedef BOOST_DEDUCED_TYPENAME boost::iterator_adaptor< + mb_from_wchar<Base>, + Base, + wchar_t, + single_pass_traversal_tag, + char + > super_t; + + typedef mb_from_wchar<Base> this_t; + + char dereference_impl() { + if(! m_full){ + fill(); + m_full = true; + } + return m_buffer[m_bnext]; + } + char dereference() const { + return (const_cast<this_t *>(this))->dereference_impl(); + } + + // test for iterator equality + bool equal(const mb_from_wchar<Base> & rhs) const { + // once the value is filled, the base_reference has been incremented + // so don't permit comparison anymore. + return + 0 == m_bend + && 0 == m_bnext + && this->base_reference() == rhs.base_reference() + ; + } + + void fill(){ + wchar_t value = * this->base_reference(); + #if (defined(__MINGW32__) && ((__MINGW32_MAJOR_VERSION > 3) \ + || ((__MINGW32_MAJOR_VERSION == 3) && (__MINGW32_MINOR_VERSION >= 8)))) + m_bend = std::wcrtomb(m_buffer, value, 0); + #else + m_bend = std::wctomb(m_buffer, value); + #endif + BOOST_ASSERT(-1 != m_bend); + BOOST_ASSERT((std::size_t)m_bend <= sizeof(m_buffer)); + BOOST_ASSERT(m_bend > 0); + m_bnext = 0; + } + + void increment(){ + if(++m_bnext < m_bend) + return; + m_bend = + m_bnext = 0; + ++(this->base_reference()); + m_full = false; + } + + // buffer to handle pending characters + int m_bend; + int m_bnext; + char m_buffer[9]; + bool m_full; + +public: + // make composible buy using templated constructor + template<class T> + mb_from_wchar(BOOST_PFTO_WRAPPER(T) start) : + super_t(Base(BOOST_MAKE_PFTO_WRAPPER(static_cast< T >(start)))), + m_bend(0), + m_bnext(0), + m_full(false) + {} + // intel 7.1 doesn't like default copy constructor + mb_from_wchar(const mb_from_wchar & rhs) : + super_t(rhs.base_reference()), + m_bend(rhs.m_bend), + m_bnext(rhs.m_bnext), + m_full(rhs.m_full) + {} +}; + +} // namespace iterators +} // namespace archive +} // namespace boost + +#endif // BOOST_ARCHIVE_ITERATORS_MB_FROM_WCHAR_HPP |