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61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
// filesystem windows_file_codecvt.cpp -----------------------------------------//
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// Copyright Beman Dawes 2009
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// Distributed under the Boost Software License, Version 1.0.
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// See http://www.boost.org/LICENSE_1_0.txt
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// Library home page: http://www.boost.org/libs/filesystem
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//--------------------------------------------------------------------------------------//
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#include "platform_config.hpp"
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#include <cwchar> // for mbstate_t
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#ifdef BOOST_WINDOWS_API
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#include "windows_file_codecvt.hpp"
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#include <windows.h>
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std::codecvt_base::result windows_file_codecvt::do_in(
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std::mbstate_t&,
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const char* from, const char* from_end, const char*& from_next,
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wchar_t* to, wchar_t* to_end, wchar_t*& to_next) const
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{
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UINT codepage = AreFileApisANSI() ? CP_ACP : CP_OEMCP;
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int count;
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if ((count = ::MultiByteToWideChar(codepage, MB_PRECOMPOSED, from, static_cast< int >(from_end - from), to, static_cast< int >(to_end - to))) == 0)
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{
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return error; // conversion failed
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}
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from_next = from_end;
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to_next = to + count;
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*to_next = L'\0';
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return ok;
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}
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std::codecvt_base::result windows_file_codecvt::do_out(
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std::mbstate_t&,
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const wchar_t* from, const wchar_t* from_end, const wchar_t*& from_next,
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char* to, char* to_end, char*& to_next) const
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{
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UINT codepage = AreFileApisANSI() ? CP_ACP : CP_OEMCP;
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int count;
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if ((count = ::WideCharToMultiByte(codepage, WC_NO_BEST_FIT_CHARS, from, static_cast< int >(from_end - from), to, static_cast< int >(to_end - to), 0, 0)) == 0)
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{
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return error; // conversion failed
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}
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from_next = from_end;
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to_next = to + count;
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*to_next = '\0';
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return ok;
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}
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#endif // BOOST_WINDOWS_API
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