78 lines
3.1 KiB
C++
78 lines
3.1 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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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 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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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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#ifndef _BUILD_XMLUTILS_ENCODINGS_H_
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#define _BUILD_XMLUTILS_ENCODINGS_H_
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#include "../../common/File.h"
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#include "../../../UnicodeConverter/UnicodeConverter.h"
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#define XML_HEADER_CHECKER_LENGHT 100
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namespace XmlUtils
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{
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// эта функция считает, что на вход пришла точно хмл.
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// надо лишь определить кодировку и отдать строку в utf-8
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static std::string GetXmlContentAsUTF8(const std::wstring& sFile)
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{
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std::string sXmlSource;
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if (!NSFile::CFileBinary::ReadAllTextUtf8A(sFile, sXmlSource))
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return sXmlSource;
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std::string::size_type nCheckCount = sXmlSource.length();
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std::string sChecker = (nCheckCount > XML_HEADER_CHECKER_LENGHT) ? sXmlSource.substr(0, XML_HEADER_CHECKER_LENGHT) : sXmlSource;
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std::string::size_type posEncoding = sChecker.find("encoding=\"");
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if (std::string::npos == posEncoding)
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return sXmlSource;
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posEncoding += 10; // len(encoding=\")
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std::string::size_type posEnd = sChecker.find("\"", posEncoding);
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if (std::string::npos == posEnd)
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return sXmlSource;
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std::string sEncoding = sChecker.substr(posEncoding, posEnd - posEncoding);
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if (sEncoding == "utf-8" || sEncoding == "UTF-8")
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return sXmlSource;
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posEnd = sChecker.find(">", posEnd);
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if (std::string::npos == posEnd)
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return sXmlSource;
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sXmlSource = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" + sXmlSource.substr(posEnd + 1);
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NSUnicodeConverter::CUnicodeConverter oConverter;
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std::wstring sUnicodeContent = oConverter.toUnicode(sXmlSource, sEncoding.c_str());
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return U_TO_UTF8(sUnicodeContent);
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}
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}
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#endif // _BUILD_XMLUTILS_ENCODINGS_H_
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