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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
81 lines
3.0 KiB
C++
81 lines
3.0 KiB
C++
/*
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* Copyright (C) Ascensio System SIA, 2009-2026
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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, together with the
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* additional terms provided in the LICENSE file.
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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: https://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA by email at info@onlyoffice.com
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* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
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* LV-1050, Latvia, European Union.
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*
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* The interactive user interfaces in modified versions of the Program
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* are required to display Appropriate Legal Notices in accordance with
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* Section 5 of the GNU AGPL version 3.
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*
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* No trademark rights are granted under this License.
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*
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* All non-code elements of the Product, including illustrations,
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* icon sets, and technical writing content, are licensed under the
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* Creative Commons Attribution-ShareAlike 4.0 International License:
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* https://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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* This license applies only to such non-code elements and does not
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* modify or replace the licensing terms applicable to the Program's
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* source code, which remains licensed under the GNU Affero General
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* Public License v3.
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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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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// this function assumes that the input is definitely xml.
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// only need to determine encoding and return string in 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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