char_conversions.hpp

新版本TR1的stl

class encoding2encoding
{
public:
    encoding2encoding(C const* s)
        : m_s(s)
    {}
    encoding2encoding(C *s)
        : m_s(s)
    {}
    template <ss_typename_param_k S>
    encoding2encoding(S const& s)
        : m_s(s.c_str())
    {}

public:
    C const* c_str() const
    {
        return m_s;
    }
    operator C const* () const
    {
        return m_s;
    }

private:
    C const* m_s;
};
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */

/* ////////////////////////////////////////////////////////////////////// */

/** \brief Type that converts a multibyte string to a wide string.
 *
 * \ingroup group__library__conversion
 */
typedef multibyte2wide<256>               a2w;
/** \brief Type that converts a wide string to a multibyte string.
 *
 * \ingroup group__library__conversion
 */
typedef wide2multibyte<256>               w2a;

#if defined(UNICODE)
typedef encoding2encoding<ws_char_w_t>  t2w;
typedef encoding2encoding<ws_char_w_t>  w2t;
typedef w2a                             t2a;
typedef a2w                             a2t;
#else /* ? UNICODE */
typedef encoding2encoding<ws_char_a_t>  t2a;
typedef encoding2encoding<ws_char_a_t>  a2t;
typedef a2w                             t2w;
typedef w2a                             w2t;
#endif /* UNICODE */

/* /////////////////////////////////////////////////////////////////////////
 * Shims
 */

/** \brief \ref group__concept__shim__string_access__c_str_ptr_null for winstl::multibyte2wide
 *
 * \ingroup group__concept__shim__string_access
 */
template<   ws_size_t   CCH
        >
inline ws_char_w_t const* c_str_ptr_null(winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    return stlsoft_ns_qual(c_str_ptr_null)(b.c_str());
}

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION

template<   ws_size_t   CCH
        >
inline ws_char_w_t const* c_str_ptr_null_w(winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    return stlsoft_ns_qual(c_str_ptr_null)(b.c_str());
}

#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */


/** \brief \ref group__concept__shim__string_access__c_str_ptr for winstl::multibyte2wide
 *
 * \ingroup group__concept__shim__string_access
 */
template<   ws_size_t   CCH
        >
inline ws_char_w_t const* c_str_ptr(winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    return b.c_str();
}

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION

template<   ws_size_t   CCH
        >
inline ws_char_w_t const* c_str_ptr_w(winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    return b.c_str();
}

#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */

/** \brief \ref group__concept__shim__string_access__c_str_data for winstl::multibyte2wide
 *
 * \ingroup group__concept__shim__string_access
 */
template<   ws_size_t   CCH
        >
inline ws_char_w_t const* c_str_data(winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    return b.c_str();
}

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION

template<   ws_size_t   CCH
        >
inline ws_char_w_t const* c_str_data_w(winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    return b.c_str();
}

#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */

/** \brief \ref group__concept__shim__string_access__c_str_len for winstl::multibyte2wide
 *
 * \ingroup group__concept__shim__string_access
 */
template<   ws_size_t   CCH
        >
inline ws_size_t c_str_len(winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    return stlsoft_ns_qual(c_str_len)(b.c_str());
}

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION

template<   ws_size_t   CCH
        >
inline ws_size_t c_str_len_w(winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    return stlsoft_ns_qual(c_str_len_w)(b.c_str());
}

#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */



/** \brief \ref group__concept__shim__string_access__c_str_ptr_null for winstl::wide2multibyte
 *
 * \ingroup group__concept__shim__string_access
 */
template<   ws_size_t   CCH
        >
inline ws_char_a_t const* c_str_ptr_null(winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    return stlsoft_ns_qual(c_str_ptr_null)(b.c_str());
}

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION

template<   ws_size_t   CCH
        >
inline ws_char_a_t const* c_str_ptr_null_a(winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    return stlsoft_ns_qual(c_str_ptr_null)(b.c_str());
}

#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */

/** \brief \ref group__concept__shim__string_access__c_str_ptr for winstl::wide2multibyte
 *
 * \ingroup group__concept__shim__string_access
 */
template<   ws_size_t   CCH
        >
inline ws_char_a_t const* c_str_ptr(winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    return b.c_str();
}

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION

template<   ws_size_t   CCH
        >
inline ws_char_a_t const* c_str_ptr_a(winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    return b.c_str();
}

#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */

/** \brief \ref group__concept__shim__string_access__c_str_data for winstl::wide2multibyte
 *
 * \ingroup group__concept__shim__string_access
 */
template<   ws_size_t   CCH
        >
inline ws_char_a_t const* c_str_data(winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    return b.c_str();
}

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION

template<   ws_size_t   CCH
        >
inline ws_char_a_t const* c_str_data_a(winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    return b.c_str();
}

#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */

/** \brief \ref group__concept__shim__string_access__c_str_len for winstl::wide2multibyte
 *
 * \ingroup group__concept__shim__string_access
 */
template<   ws_size_t   CCH
        >
inline ws_size_t c_str_len(winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    return stlsoft_ns_qual(c_str_len)(b.c_str());
}

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION

template<   ws_size_t   CCH
        >
inline ws_size_t c_str_len_a(winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    return stlsoft_ns_qual(c_str_len_a)(b.c_str());
}

#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */




/** \brief \ref group__concept__shim__stream_insertion "stream insertion shim" for winstl::multibyte2wide
 *
 * \ingroup group__concept__shim__stream_insertion
 */
template<   ss_typename_param_k S
        ,   ws_size_t   CCH
        >
inline S& operator <<(S& s, winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    s << b.c_str();

    return s;
}

/** \brief \ref group__concept__shim__stream_insertion "stream insertion shim" for winstl::wide2multibyte
 *
 * \ingroup group__concept__shim__stream_insertion
 */
template<   ss_typename_param_k S
        ,   ws_size_t   CCH
        >
inline S& operator <<(S& s, winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    s << b.c_str();

    return s;
}

////////////////////////////////////////////////////////////////////////////
// Unit-testing

#ifdef STLSOFT_UNITTEST
# include "./unittest/char_conversions_unittest_.h"
#endif /* STLSOFT_UNITTEST */

/* ////////////////////////////////////////////////////////////////////// */

#ifndef _WINSTL_NO_NAMESPACE
# if defined(_STLSOFT_NO_NAMESPACE) || \
     defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} // namespace winstl
# else
} // namespace winstl_project
} // namespace stlsoft
# endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_WINSTL_NO_NAMESPACE */

/* /////////////////////////////////////////////////////////////////////////
 * Namespace
 *
 * The string access shims exist either in the stlsoft namespace, or in the
 * global namespace. This is required by the lookup rules.
 *
 */

#ifndef _WINSTL_NO_NAMESPACE
# if !defined(_STLSOFT_NO_NAMESPACE) && \
     !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
namespace stlsoft
{
# else /* ? _STLSOFT_NO_NAMESPACE */
/* There is no stlsoft namespace, so must define in the global namespace */
# endif /* !_STLSOFT_NO_NAMESPACE */

using ::winstl::c_str_data;
using ::winstl::c_str_data_a;
using ::winstl::c_str_data_w;

using ::winstl::c_str_len;
using ::winstl::c_str_len_a;
using ::winstl::c_str_len_w;

using ::winstl::c_str_ptr;
using ::winstl::c_str_ptr_a;
using ::winstl::c_str_ptr_w;

using ::winstl::c_str_ptr_null;
using ::winstl::c_str_ptr_null_a;
using ::winstl::c_str_ptr_null_w;

# if !defined(_STLSOFT_NO_NAMESPACE) && \
     !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} // namespace stlsoft
# else /* ? _STLSOFT_NO_NAMESPACE */
/* There is no stlsoft namespace, so must define in the global namespace */
# endif /* !_STLSOFT_NO_NAMESPACE */
#endif /* !_WINSTL_NO_NAMESPACE */

/* /////////////////////////////////////////////////////////////////////////
 * Global namespace shims
 */

/* This defines stream inserter shim function templates for the converters
 * for use with the Visual C++ <7.1 standard library.
 */

#if defined(STLSOFT_CF_STD_LIBRARY_IS_DINKUMWARE_VC) && \
    STLSOFT_CF_STD_LIBRARY_DINKUMWARE_VC_VERSION < STLSOFT_CF_DINKUMWARE_VC_VERSION_7_1

# include <iosfwd>

template <winstl_ns_qual(ws_size_t) CCH>
inline winstl_ns_qual_std(basic_ostream)<char>& operator <<(winstl_ns_qual_std(basic_ostream)<char> &stm, winstl_ns_qual(wide2multibyte)<CCH> const& b)
{
    return stm << b.c_str();
}

template <winstl_ns_qual(ws_size_t) CCH>
inline winstl_ns_qual_std(basic_ostream)<wchar_t>& operator <<(winstl_ns_qual_std(basic_ostream)<wchar_t> &stm, winstl_ns_qual(multibyte2wide)<CCH> const& b)
{
    return stm << b.c_str();
}

#endif /* library */

/* ////////////////////////////////////////////////////////////////////// */

#endif /* WINSTL_INCL_WINSTL_CONVERSION_HPP_CHAR_CONVERSIONS */

/* ////////////////////////////////////////////////////////////////////// */