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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
393 lines
13 KiB
C++
393 lines
13 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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#include "ConvertTxt2Docx.h"
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#include "TxtFormat/File.h"
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#include "../../OOXML/DocxFormat/Document.h"
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#include "../../OOXML/DocxFormat/Styles.h"
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#include "../../OOXML/DocxFormat/Footnote.h"
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#include "../../OOXML/DocxFormat/Endnote.h"
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#include "../../OOXML/DocxFormat/HeaderFooter.h"
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#include "../../OOXML/DocxFormat/Logic/AlternateContent.h"
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#include "../../OOXML/DocxFormat/Logic/Annotations.h"
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#include "../../OOXML/DocxFormat/Logic/Sdt.h"
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#include "../../OOXML/DocxFormat/Logic/Table.h"
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#include "../../OOXML/DocxFormat/Logic/Paragraph.h"
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#include "../../OOXML/DocxFormat/Logic/Run.h"
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namespace Txt2Docx
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{
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namespace
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{
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bool isEmoji(const std::string& utf8Char)
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{
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if (utf8Char.empty()) return false;
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unsigned char c = utf8Char[0];
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uint32_t codePoint = 0;
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if ((c & 0xF8) == 0xF0 && utf8Char.length() >= 4)
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{
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codePoint = ((utf8Char[0] & 0x07) << 18) |
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((utf8Char[1] & 0x3F) << 12) |
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((utf8Char[2] & 0x3F) << 6) |
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(utf8Char[3] & 0x3F);
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}
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else if ((c & 0xF0) == 0xE0 && utf8Char.length() >= 3)
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{
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codePoint = ((utf8Char[0] & 0x0F) << 12) |
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((utf8Char[1] & 0x3F) << 6) |
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(utf8Char[2] & 0x3F);
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}
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else
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{
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return false;
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}
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return (codePoint >= 0x1F300 && codePoint <= 0x1F9FF) ||
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(codePoint >= 0x2600 && codePoint <= 0x27BF) ||
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(codePoint >= 0x2B00 && codePoint <= 0x2BFF) ||
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(codePoint >= 0xFE00 && codePoint <= 0xFE0F) ||
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(codePoint >= 0x1F900 && codePoint <= 0x1F9FF) ||
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codePoint == 0x00A9 || codePoint == 0x00AE;
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}
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std::string escapeXml(const std::string& text)
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{
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std::string result;
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result.reserve(text.length() * 2);
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for (char ch : text)
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{
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switch (ch)
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{
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case '&': result += "&"; break;
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case '<': result += "<"; break;
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case '>': result += ">"; break;
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case '"': result += """; break;
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case '\'': result += "'"; break;
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default: result += ch; break;
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}
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}
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return result;
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}
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}
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class Converter_Impl
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{
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public:
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Converter_Impl(int encoding);
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void convert();
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Txt::File m_inputFile;
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OOX::CDocument m_outputFile;
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void AddText(OOX::Logic::CParagraph *pPara , std::wstring& sText)
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{
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if (!pPara)
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return;
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OOX::WritingElement *pR = new OOX::Logic::CRun();
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if ( !pR )
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return;
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OOX::WritingElement *pT = new OOX::Logic::CText();
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if ( !pT )
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{
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delete pR;
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return;
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}
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OOX::Logic::CText *pText = (OOX::Logic::CText*)pT;
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pText->m_sText = sText;
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pText->m_oSpace = new SimpleTypes::CXmlSpace();
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pText->m_oSpace->SetValue( SimpleTypes::xmlspacePreserve );
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((OOX::Logic::CRun*)pR)->m_arrItems.push_back( pT );
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pPara->m_arrItems.push_back( pR );
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}
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void AddText(OOX::Logic::CParagraph *pPara , std::wstring& sText, OOX::Logic::CRunProperty * pProperty)
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{
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if (!pPara)
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return;
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OOX::WritingElement *pR = new OOX::Logic::CRun();
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if ( !pR )
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return;
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OOX::WritingElement *pT = new OOX::Logic::CText();
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if ( !pT )
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{
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delete pR;
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return;
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}
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OOX::Logic::CText *pText = (OOX::Logic::CText*)pT;
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pText->m_sText = sText;
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pText->m_oSpace = new SimpleTypes::CXmlSpace();
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pText->m_oSpace->SetValue( SimpleTypes::xmlspacePreserve );
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if ( pProperty )
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{
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((OOX::Logic::CRun*)pR)->m_arrItems.push_back( (OOX::WritingElement*)pProperty );
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((OOX::Logic::CRun*)pR)->m_oRunProperty = pProperty;//copy for convenience
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}
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((OOX::Logic::CRun*)pR)->m_arrItems.push_back( pT );
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pPara->m_arrItems.push_back( pR );
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}
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void AddTab(OOX::Logic::CParagraph *pPara)
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{
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if (!pPara)
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return;
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OOX::WritingElement *pR = new OOX::Logic::CRun();
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if ( !pR )
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return;
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OOX::WritingElement *pTab = new OOX::Logic::CTab();
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if ( !pTab )
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{
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delete pR;
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return;
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}
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((OOX::Logic::CRun*)pR)->m_arrItems.push_back( pTab );
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pPara->m_arrItems.push_back( pR );
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}
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};
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Converter::Converter(int encoding) : converter_( new Converter_Impl(encoding) )
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{
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}
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Converter::~Converter()
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{
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delete converter_;
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}
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void Converter::convert()
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{
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return converter_->convert();
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}
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void Converter::read(const std::wstring& path)
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{
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return converter_->m_inputFile.read(path);
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}
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void Converter::write(NSStringUtils::CStringBuilderA &stringWriter)
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{
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const char* fontName = "Courier New";
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const char* emojiFontName = "Segoe UI Emoji";
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const char* defaultSpacing = "<w:spacing w:after=\"0\" w:line=\"240\" w:lineRule=\"auto\"/>";
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for (const std::string &lineRaw : converter_->m_inputFile.m_listContentutf8)
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{
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std::string line = lineRaw;
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line.erase(std::remove(line.begin(), line.end(), '\x08'), line.end());
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stringWriter.WriteString("<w:p><w:pPr>");
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stringWriter.WriteString(defaultSpacing);
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stringWriter.WriteString("<w:rPr><w:rFonts w:ascii=\"");
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stringWriter.WriteString(fontName);
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stringWriter.WriteString("\" w:hAnsi=\"");
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stringWriter.WriteString(fontName);
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stringWriter.WriteString("\" w:cs=\"");
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stringWriter.WriteString(fontName);
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stringWriter.WriteString("\"/></w:rPr></w:pPr>");
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size_t i = 0;
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while (i < line.length())
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{
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unsigned char c = line[i];
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if ((c & 0xF0) == 0xF0 || (c & 0xE0) == 0xE0)
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{
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int possibleLen = ((c & 0xF0) == 0xF0) ? 4 : 3;
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if (i + possibleLen <= line.length())
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{
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std::string possible = line.substr(i, possibleLen);
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if (isEmoji(possible))
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{
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stringWriter.WriteString("<w:r><w:rPr><w:rFonts w:ascii=\"");
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stringWriter.WriteString(emojiFontName);
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stringWriter.WriteString("\" w:hAnsi=\"");
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stringWriter.WriteString(emojiFontName);
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stringWriter.WriteString("\" w:cs=\"");
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stringWriter.WriteString(emojiFontName);
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stringWriter.WriteString("\"/></w:rPr><w:t xml:space=\"preserve\">");
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stringWriter.WriteString(possible.c_str());
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stringWriter.WriteString("</w:t></w:r>");
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i += possibleLen;
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continue;
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}
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}
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}
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size_t textStart = i;
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while (i < line.length())
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{
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unsigned char next = line[i];
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if ((next & 0xF0) == 0xF0 || (next & 0xE0) == 0xE0)
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{
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int checkLen = ((next & 0xF0) == 0xF0) ? 4 : 3;
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if (i + checkLen <= line.length())
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{
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std::string check = line.substr(i, checkLen);
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if (isEmoji(check))
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break;
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}
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}
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i++;
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}
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std::string textSegment = line.substr(textStart, i - textStart);
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size_t tabStart = 0;
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while (true)
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{
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size_t tabPos = textSegment.find('\x09', tabStart);
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std::string seg = (tabPos == std::string::npos) ?
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textSegment.substr(tabStart) :
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textSegment.substr(tabStart, tabPos - tabStart);
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if (!seg.empty())
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{
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std::string escaped = escapeXml(seg);
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stringWriter.WriteString("<w:r><w:rPr><w:rFonts w:ascii=\"");
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stringWriter.WriteString(fontName);
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stringWriter.WriteString("\" w:hAnsi=\"");
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stringWriter.WriteString(fontName);
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stringWriter.WriteString("\" w:cs=\"");
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stringWriter.WriteString(fontName);
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stringWriter.WriteString("\"/></w:rPr><w:t xml:space=\"preserve\">");
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stringWriter.WriteString(escaped.c_str());
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stringWriter.WriteString("</w:t></w:r>");
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}
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if (tabPos == std::string::npos)
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break;
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stringWriter.WriteString("<w:r><w:tab/></w:r>");
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tabStart = tabPos + 1;
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}
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}
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stringWriter.WriteString("</w:p>");
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}
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}
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Converter_Impl::Converter_Impl(int encoding) : m_outputFile(NULL)
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{
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m_inputFile.m_nEncoding = encoding;
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}
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void Converter_Impl::convert()
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{
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//smart_ptr<OOX::File> pFile = m_outputFile.Find(OOX::FileTypes::Document);
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OOX::CDocument *pDocument = &m_outputFile;//NULL;
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if (!m_inputFile.m_listContent.empty() /*&& pFile.IsInit() && OOX::FileTypes::Document == pFile->type()*/)
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{
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ComplexTypes::Word::CSpacing space;
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ComplexTypes::Word::CFonts font;
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space.m_oAfter.Init(); space.m_oAfter->FromString(L"0");
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space.m_oLine.Init(); space.m_oLine->FromString(L"240");
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space.m_oLineRule.Init(); space.m_oLineRule->SetValue(SimpleTypes::linespacingruleAuto);
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font.m_sAscii.Init(); *font.m_sAscii = L"Courier New";
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font.m_sHAnsi.Init(); *font.m_sHAnsi = L"Courier New";
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font.m_sCs.Init(); *font.m_sCs = L"Courier New";
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for (size_t i = 0; i < m_inputFile.m_listContent.size(); ++i)
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{
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std::wstring & line = m_inputFile.m_listContent[i];
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OOX::Logic::CParagraph *paragraph = new OOX::Logic::CParagraph();
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OOX::Logic::CParagraphProperty *pPr = new OOX::Logic::CParagraphProperty();
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OOX::Logic::CRunProperty *rPr = new OOX::Logic::CRunProperty();
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rPr->m_oRFonts = font;
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pPr->m_oSpacing = space;
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pPr->m_oRPr = *rPr;
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paragraph->m_arrItems.push_back(pPr);
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paragraph->m_oParagraphProperty = pPr; //copy for convenience
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while(line.find(_T("\x08")) != line.npos)
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{
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line.erase(line.find(_T("\x08")), 1);//, "");
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}
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while(line.find(_T("\x09")) != line.npos)
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{
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size_t pos = line.find(_T("\x09"));
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if (pos != std::wstring::npos)
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{
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std::wstring s = line.substr(0, pos);
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if (!s.empty())
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{
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OOX::Logic::CRunProperty *rPr_ = new OOX::Logic::CRunProperty();
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rPr_->m_oRFonts = font;
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AddText(paragraph, s, rPr_);
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}
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}
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AddTab(paragraph);
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line.erase(0, pos + 1);
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}
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if (!line.empty())
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{
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AddText(paragraph, line, rPr);
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}
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pDocument->m_arrItems.push_back(paragraph);
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}
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}
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}
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} // namespace Txt2Docx
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