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