mirror of
https://github.com/ONLYOFFICE/core.git
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297 lines
11 KiB
C++
297 lines
11 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2016
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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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#include "CSVWriter.h"
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#include "../../UnicodeConverter/UnicodeConverter.h"
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#include "../../UnicodeConverter/UnicodeConverter_Encodings.h"
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#include "../../DesktopEditor/common/StringBuilder.h"
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namespace CSVWriter
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{
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void escapeJson(const std::wstring& sInput, NSStringUtils::CStringBuilder& oBuilder)
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{
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//http://stackoverflow.com/questions/7724448/simple-json-string-escape-for-c
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for (int i = 0; i < sInput.length(); ++i)
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{
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WCHAR c = sInput[i];
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switch (c)
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{
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case '"': oBuilder.WriteString(_T("\\\"")); break;
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case '\\': oBuilder.WriteString(_T("\\\\")); break;
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case '\b': oBuilder.WriteString(_T("\\b")); break;
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case '\f': oBuilder.WriteString(_T("\\f")); break;
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case '\n': oBuilder.WriteString(_T("\\n")); break;
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case '\r': oBuilder.WriteString(_T("\\r")); break;
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case '\t': oBuilder.WriteString(_T("\\t")); break;
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default:
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if ('\x00' <= c && c <= '\x1f')
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{
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oBuilder.WriteString(_T("\\u00"));
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oBuilder.WriteHexByte((unsigned char)c);
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}
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else
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{
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oBuilder.AddCharSafe(c);
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}
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}
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}
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}
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void WriteFile(NSFile::CFileBinary *pFile, WCHAR **pWriteBuffer, INT &nCurrentIndex, std::wstring &sWriteString, UINT &nCodePage, bool bIsEnd)
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{
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if (NULL == pFile || NULL == pWriteBuffer)
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return;
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INT nCountChars = sWriteString.length();
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if (0 == nCountChars && !bIsEnd)
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return;
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const INT c_nSize = 1048576; // 1024 * 1024
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const INT nSizeWchar = sizeof(WCHAR);
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if (NULL == *pWriteBuffer)
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{
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*pWriteBuffer = new WCHAR[c_nSize];
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memset(*pWriteBuffer, 0, nSizeWchar * c_nSize);
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nCurrentIndex = 0;
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}
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if (nCountChars + nCurrentIndex > c_nSize || bIsEnd)
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{
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// Буффер заполнился, пишем
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if (nCodePage == CP_UTF16)
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{
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pFile->WriteFile((BYTE*)*pWriteBuffer, sizeof (WCHAR) * nCurrentIndex);
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}
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else
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{
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const NSUnicodeConverter::EncodindId& oEncodindId = NSUnicodeConverter::Encodings[nCodePage];
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NSUnicodeConverter::CUnicodeConverter oUnicodeConverter;
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std::string sFileDataA = oUnicodeConverter.fromUnicode(*pWriteBuffer, nCurrentIndex, oEncodindId.Name);
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pFile->WriteFile((BYTE*)sFileDataA.c_str(), sizeof (CHAR) * sFileDataA.length());
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}
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memset(*pWriteBuffer, 0, nSizeWchar * c_nSize);
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nCurrentIndex = 0;
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}
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if (!bIsEnd)
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{
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memcpy(*pWriteBuffer + nCurrentIndex, sWriteString.c_str(), nCountChars * nSizeWchar);
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nCurrentIndex += nCountChars;
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}
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}
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void WriteFromXlsxToCsv(const std::wstring &sFileDst, OOX::Spreadsheet::CXlsx &oXlsx, UINT nCodePage, const WCHAR wcDelimiter, bool bJSON)
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{
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NSFile::CFileBinary oFile;
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oFile.CreateFileW(sFileDst);
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// Нужно записать шапку
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if (CP_UTF8 == nCodePage)
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{
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BYTE arUTF8[3] = {0xEF, 0xBB, 0xBF};
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oFile.WriteFile(arUTF8, 3);
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}
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else if (CP_UTF16 == nCodePage)
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{
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BYTE arUTF16[2] = {0xFF, 0xFE};
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oFile.WriteFile(arUTF16, 2);
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}
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else if (CP_unicodeFFFE == nCodePage)
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{
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BYTE arBigEndian[2] = {0xFE, 0xFF};
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oFile.WriteFile(arBigEndian, 2);
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}
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std::wstring sNewLineN = _T("\n");
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LONG lActiveSheet = 0;
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INT nCurrentIndex = 0;
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WCHAR *pWriteBuffer = NULL;
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std::wstring sSheetRId = _T("Sheet1"); // Читаем не по rId, а по имени листа
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OOX::Spreadsheet::CWorkbook *pWorkbook = oXlsx.GetWorkbook();
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if (NULL != pWorkbook)
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{
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// Get active sheet
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if (pWorkbook->m_oBookViews.IsInit() && 0 < pWorkbook->m_oBookViews->m_arrItems.size())
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{
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if (pWorkbook->m_oBookViews->m_arrItems[0]->m_oActiveTab.IsInit())
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{
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lActiveSheet = pWorkbook->m_oBookViews->m_arrItems[0]->m_oActiveTab->GetValue();
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if (0 > lActiveSheet)
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lActiveSheet = 0;
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}
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}
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// Get active sheet rId (для конвертации в CSV нужно использовать name, т.к. это наш бинарник из js-скриптов и еще нет rId
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// А для json-а нужно пользовать rId, т.к. при открытии они используются
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if (pWorkbook->m_oSheets.IsInit() && 0 <= pWorkbook->m_oSheets->m_arrItems.size())
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{
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OOX::Spreadsheet::CSheet *pSheet;
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if (lActiveSheet <= pWorkbook->m_oSheets->m_arrItems.size())
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pSheet = pWorkbook->m_oSheets->m_arrItems[lActiveSheet];
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else
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pSheet = pWorkbook->m_oSheets->m_arrItems[0];
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sSheetRId = bJSON ? pSheet->m_oRid->GetValue() : pSheet->m_oName.get2();
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}
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std::map<std::wstring, OOX::Spreadsheet::CWorksheet*> &arrWorksheets = oXlsx.GetWorksheets();
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std::map<std::wstring, OOX::Spreadsheet::CWorksheet*>::const_iterator pPair = arrWorksheets.find(sSheetRId);
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if (pPair != arrWorksheets.end())
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{
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OOX::Spreadsheet::CWorksheet *pWorksheet = pPair->second;
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if (NULL != pWorksheet && pWorksheet->m_oSheetData.IsInit())
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{
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OOX::Spreadsheet::CSharedStrings *pSharedStrings = oXlsx.GetSharedStrings();
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std::wstring sDelimiter = _T(""); sDelimiter += wcDelimiter;
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std::wstring sEscape = _T("\"\n");
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sEscape += wcDelimiter;
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std::wstring sEndJson = std::wstring(_T("]"));
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std::wstring sQuote = _T("\"");
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std::wstring sDoubleQuote = _T("\"\"");
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std::wstring sBkt = std::wstring(_T("["));
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std::wstring sBktComma = _T(",[");
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if (bJSON)
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CSVWriter::WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sBkt, nCodePage);
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INT nRowCurrent = 1;
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for (INT i = 0; i < pWorksheet->m_oSheetData->m_arrItems.size(); ++i)
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{
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OOX::Spreadsheet::CRow *pRow = static_cast<OOX::Spreadsheet::CRow *>(pWorksheet->m_oSheetData->m_arrItems[i]);
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INT nRow = pRow->m_oR.IsInit() ? pRow->m_oR->GetValue() : 0 == i ? nRowCurrent : nRowCurrent + 1;
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if (bJSON)
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CSVWriter::WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, (0 == i ? sBkt: sBktComma), nCodePage);
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else
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{
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while (nRow > nRowCurrent)
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{
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// Write new line
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++nRowCurrent;
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WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sNewLineN, nCodePage);
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}
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}
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INT nColCurrent = 1;
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bool bIsWriteCell = false; // Нужно только для записи JSON-а
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for (INT j = 0; j < pRow->m_arrItems.size(); ++j)
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{
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INT nRowTmp = 0;
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INT nCol = 0;
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OOX::Spreadsheet::CCell *pCell = static_cast<OOX::Spreadsheet::CCell *>(pRow->m_arrItems[j]);
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if (pCell->isInitRef())
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{
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pCell->getRowCol(nRowTmp, nCol);
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nRowTmp++;
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nCol++;
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}
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else
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{
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nCol = 0 == j ? nColCurrent : nColCurrent + 1;
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}
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while (nCol > nColCurrent)
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{
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if (bJSON && false == bIsWriteCell)
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{
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// Запишем пустые строки (для JSON-а)
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WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sDoubleQuote, nCodePage);
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}
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// Write delimiter
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++nColCurrent;
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WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sDelimiter, nCodePage);
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bIsWriteCell = false;
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}
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// Get cell value
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std::wstring sCellValue = _T("");
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if (pCell->m_oValue.IsInit())
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{
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if (pCell->m_oType.IsInit() && SimpleTypes::Spreadsheet::celltypeNumber != pCell->m_oType->GetValue())
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{
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int nValue = _wtoi(pCell->m_oValue->ToString().c_str());
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if (0 <= nValue && nValue < pSharedStrings->m_arrItems.size())
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{
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OOX::Spreadsheet::CSi *pSi = static_cast<OOX::Spreadsheet::CSi *>(pSharedStrings->m_arrItems[nValue]);
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if(NULL != pSi)
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{
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sCellValue = pSi->ToString();
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}
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}
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}
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else
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{
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sCellValue = pCell->m_oValue->ToString();
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}
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}
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// Escape cell value
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if(bJSON)
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{
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NSStringUtils::CStringBuilder oBuilder;
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oBuilder.WriteString(_T("\""));
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escapeJson(sCellValue, oBuilder);
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oBuilder.WriteString(_T("\""));
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sCellValue = std::wstring(oBuilder.GetBuffer(), oBuilder.GetCurSize());
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}
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else if (std::wstring::npos != sCellValue.find_first_of(sEscape))
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{
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NSStringExt::Replace(sCellValue, sQuote, sDoubleQuote);
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sCellValue = sQuote + sCellValue + sQuote;
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}
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// Write cell value
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WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sCellValue, nCodePage);
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bIsWriteCell = true;
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}
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if (bJSON)
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WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sEndJson, nCodePage);
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}
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if (bJSON)
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{
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WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sEndJson, nCodePage);
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WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sEndJson, nCodePage, true);
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}
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}
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}
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}
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// Теперь мы пишем как MS Excel (новую строку записываем в файл)
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if (!bJSON)
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{
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WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sNewLineN, nCodePage);
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WriteFile(&oFile, &pWriteBuffer, nCurrentIndex, sNewLineN, nCodePage, true);
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}
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RELEASEARRAYOBJECTS(pWriteBuffer);
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oFile.CloseFile();
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}
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}
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