DocumentServer/ActiveX/Common/ASCDocxFormat/Source/boost_filesystem/path.cpp
nikolay ivanov a8be6b9e72 init repo
2014-07-05 18:22:49 +00:00

179 lines
4.8 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2014
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#define BOOST_FILESYSTEM_SOURCE
#include <boost/filesystem/config.hpp>
#ifndef BOOST_FILESYSTEM_NARROW_ONLY
#include <boost/filesystem/path.hpp>
#include <boost/scoped_array.hpp>
#include <locale>
#include <boost/cerrno.hpp>
#include <boost/system/error_code.hpp>
#include <cwchar>
namespace
{
std::locale & loc()
{
static std::locale lc("");
return lc;
}
const std::codecvt<wchar_t, char, std::mbstate_t> *&
converter()
{
static const std::codecvt<wchar_t, char, std::mbstate_t> *
cvtr(
&std::use_facet<std::codecvt<wchar_t, char, std::mbstate_t> >
( loc() ) );
return cvtr;
}
bool locked(false);
}
namespace boost
{
namespace filesystem
{
bool wpath_traits::imbue( const std::locale & new_loc, const std::nothrow_t & )
{
if ( locked ) return false;
locked = true;
loc() = new_loc;
converter() = &std::use_facet
<std::codecvt<wchar_t, char, std::mbstate_t> >( loc() );
return true;
}
void wpath_traits::imbue( const std::locale & new_loc )
{
if ( locked ) boost::throw_exception(
wfilesystem_error(
"boost::filesystem::wpath_traits::imbue() after lockdown",
make_error_code( system::posix::not_supported ) ) );
imbue( new_loc, std::nothrow );
}
# ifdef BOOST_POSIX_API
wpath_traits::external_string_type
wpath_traits::to_external( const wpath & ph,
const internal_string_type & src )
{
locked = true;
std::size_t work_size( converter()->max_length() * (src.size()+1) );
boost::scoped_array<char> work( new char[ work_size ] );
std::mbstate_t state = std::mbstate_t();
const internal_string_type::value_type * from_next;
external_string_type::value_type * to_next;
if ( converter()->out(
state, src.c_str(), src.c_str()+src.size(), from_next, work.get(),
work.get()+work_size, to_next ) != std::codecvt_base::ok )
boost::throw_exception( boost::filesystem::wfilesystem_error(
"boost::filesystem::wpath::to_external conversion error",
ph, system::error_code( system::posix::invalid_argument, system::system_category ) ) );
*to_next = '\0';
return external_string_type( work.get() );
}
wpath_traits::internal_string_type
wpath_traits::to_internal( const external_string_type & src )
{
locked = true;
std::size_t work_size( src.size()+1 );
boost::scoped_array<wchar_t> work( new wchar_t[ work_size ] );
std::mbstate_t state = std::mbstate_t();
const external_string_type::value_type * from_next;
internal_string_type::value_type * to_next;
if ( converter()->in(
state, src.c_str(), src.c_str()+src.size(), from_next, work.get(),
work.get()+work_size, to_next ) != std::codecvt_base::ok )
boost::throw_exception( boost::filesystem::wfilesystem_error(
"boost::filesystem::wpath::to_internal conversion error",
system::error_code( system::posix::invalid_argument, system::system_category ) ) );
*to_next = L'\0';
return internal_string_type( work.get() );
}
# endif
}
}
#endif