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changed codecvt_utf8 so that serialization uses the standard one if available. If there is no standard one available, it uses the one in boost/utility.

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[SVN r86614]
This commit is contained in:
Robert Ramey
2013-11-11 02:25:58 +00:00
parent 8c689a1533
commit 55f85a4d1f
1 changed files with 25 additions and 14 deletions
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39
include/boost/detail/utf8_codecvt_facet.hpp
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@ -85,6 +85,10 @@
#include <boost/config.hpp>
#include <boost/detail/workaround.hpp>
#ifndef BOOST_NO_CXX11_HDR_CODECVT
#include <codecvt>
#endif
#if defined(BOOST_NO_STDC_NAMESPACE)
namespace std {
using ::mbstate_t;
@ -92,13 +96,6 @@ namespace std {
}
#endif
#if defined(_CPPLIB_VER) && (_CPPLIB_VER < 540)
#define BOOST_CODECVT_DO_LENGTH_CONST const
#else
#define BOOST_CODECVT_DO_LENGTH_CONST
#endif
// maximum lenght of a multibyte string
#define MB_LENGTH_MAX 8
BOOST_UTF8_BEGIN_NAMESPACE
@ -167,17 +164,30 @@ protected:
}
// How many char objects can I process to get <= max_limit
// wchar_t objects?
// wchar_t objects?
// This is the "official version which implements the standar
// library interface
virtual int do_length(
BOOST_CODECVT_DO_LENGTH_CONST std::mbstate_t &,
std::mbstate_t & state,
const char * from,
const char * from_end,
std::size_t max_limit
#if BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600))
) const throw();
#else
) const;
#endif
) const
#if BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600))
throw()
#endif
{
return do_length(const_cast<const std::mbstate_t &>(state), from, from_end, max_limit);
}
// this version handles versions of the standard library which pass
// the state with a "const". This means early dinkumware standard library
virtual int do_length(
const std::mbstate_t & state,
const char * from,
const char * from_end,
std::size_t max_limit
) const;
// Largest possible value do_length(state,from,from_end,1) could return.
virtual int do_max_length() const throw () {
@ -185,6 +195,7 @@ protected:
}
};
BOOST_UTF8_END_NAMESPACE
#endif // BOOST_UTF8_CODECVT_FACET_HPP