DocumentServer/ActiveX/Common/ASCDocxFormat/Source/Utility/codecvt.h
nikolay ivanov a8be6b9e72 init repo
2014-07-05 18:22:49 +00:00

101 lines
3.7 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
*
*/
#pragma once
#ifndef UTILITY_CODECVT_INCLUDE_H_
#define UTILITY_CODECVT_INCLUDE_H_
#include <locale>
class ucs2_conversion : public std::codecvt<wchar_t, char, std::mbstate_t>
{
protected:
result do_in(std::mbstate_t& state,
const char* from, const char* from_end, const char*& from_next,
wchar_t* to, wchar_t* to_limit, wchar_t*& to_next) const;
result do_out(std::mbstate_t& state,
const wchar_t* from, const wchar_t* from_end, const wchar_t*& from_next,
char* to, char* to_limit, char*& to_next) const;
bool do_always_noconv() const throw() { return false; }
int do_encoding() const throw() { return 2; }
};
class ube_conversion : public std::codecvt<wchar_t, char, std::mbstate_t>
{
protected:
result do_in(std::mbstate_t& state,
const char* from, const char* from_end, const char*& from_next,
wchar_t* to, wchar_t* to_limit, wchar_t*& to_next) const;
result do_out(std::mbstate_t& state,
const wchar_t* from, const wchar_t* from_end, const wchar_t*& from_next,
char* to, char* to_limit, char*& to_next) const;
bool do_always_noconv() const throw() { return false; }
int do_encoding() const throw() { return 2; }
};
class utf8_conversion : public std::codecvt<wchar_t, char, std::mbstate_t>
{
protected:
result do_in(std::mbstate_t& state,
const char* from, const char* from_end, const char*& from_next,
wchar_t* to, wchar_t* to_limit, wchar_t*& to_next) const;
result in(std::mbstate_t& state,
const char* from, const char* from_end, const char*& from_next,
wchar_t* to, wchar_t* to_limit, wchar_t*& to_next) const;
result do_out(std::mbstate_t& state,
const wchar_t* from, const wchar_t* from_end, const wchar_t*& from_next,
char* to, char* to_limit, char*& to_next) const;
result out(std::mbstate_t& state,
const wchar_t* from, const wchar_t* from_end, const wchar_t*& from_next,
char* to, char* to_limit, char*& to_next) const;
bool do_always_noconv() const throw() { return false; }
int do_encoding() const throw() { return 2; }
private:
const unsigned char take_6_bits(const unsigned int value, const size_t right_position) const;
const size_t most_signifant_bit_position(const unsigned int value) const;
};
#endif // UTILITY_CODECVT_INCLUDE_H_