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479 lines
15 KiB
C++
479 lines
15 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2017
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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 "CSVReader.h"
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#include <map>
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#include <locale>
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#include "../../DesktopEditor/common/File.h"
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#include "../../Common/DocxFormat/Source/Base/unicode_util.h"
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#include "../../Common/OfficeFileErrorDescription.h"
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#include "../../UnicodeConverter/UnicodeConverter.h"
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#include "../../UnicodeConverter/UnicodeConverter_Encodings.h"
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#include "../../Common/DocxFormat/Source/XlsxFormat/Workbook/Workbook.h"
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#include "../../Common/DocxFormat/Source/XlsxFormat/SharedStrings/SharedStrings.h"
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#include "../../Common/DocxFormat/Source/XlsxFormat/Styles/Styles.h"
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namespace CSVReader
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{
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const std::wstring ansi_2_unicode(const unsigned char* data, DWORD data_size)
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{
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std::wstring result;
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std::locale loc("");
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std::ctype<wchar_t> const &facet = std::use_facet<std::ctype<wchar_t> >(loc);
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result.resize(data_size);
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facet.widen((char*)data, (char*)data + data_size, &result[0]);
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return result;
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}
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const std::wstring utf8_2_unicode(const unsigned char* data, DWORD data_size)
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{
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if (sizeof(wchar_t) == 2)//utf8 -> utf16
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{
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unsigned int nLength = data_size;
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UTF16 *pStrUtf16 = new UTF16 [nLength + 1];
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memset ((void *) pStrUtf16, 0, sizeof (UTF16) * (nLength + 1));
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UTF8 *pStrUtf8 = (UTF8 *) data;
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const UTF8 *pStrUtf8_Conv = pStrUtf8;
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UTF16 *pStrUtf16_Conv = pStrUtf16;
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ConversionResult eUnicodeConversionResult = ConvertUTF8toUTF16 (&pStrUtf8_Conv, &pStrUtf8[nLength]
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, &pStrUtf16_Conv, &pStrUtf16 [nLength]
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, strictConversion);
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if (conversionOK != eUnicodeConversionResult)
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{
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delete [] pStrUtf16;
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return std::wstring();
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}
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std::wstring utf16Str ((wchar_t *) pStrUtf16);
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delete [] pStrUtf16;
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return utf16Str;
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}
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else //utf8 -> utf32
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{
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unsigned int nLength = data_size;
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UTF32 *pStrUtf32 = new UTF32 [nLength + 1];
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memset ((void *) pStrUtf32, 0, sizeof (UTF32) * (nLength + 1));
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UTF8 *pStrUtf8 = (UTF8 *) data;
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const UTF8 *pStrUtf8_Conv = pStrUtf8;
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UTF32 *pStrUtf32_Conv = pStrUtf32;
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ConversionResult eUnicodeConversionResult = ConvertUTF8toUTF32 (&pStrUtf8_Conv, &pStrUtf8[nLength]
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, &pStrUtf32_Conv, &pStrUtf32 [nLength]
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, strictConversion);
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if (conversionOK != eUnicodeConversionResult)
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{
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delete [] pStrUtf32;
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return std::wstring();
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}
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std::wstring utf32Str ((wchar_t *) pStrUtf32);
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delete [] pStrUtf32;
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return utf32Str;
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}
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}
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const std::wstring utf16_2_unicode(const unsigned char* data, DWORD data_size)
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{
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if (sizeof(wchar_t) == 2)//utf16 -> utf16
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{
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return std::wstring((wchar_t*)data, data_size / 2);
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}
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else //utf16 -> utf32
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{
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unsigned int nLength = data_size / 2;
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UTF32 *pStrUtf32 = new UTF32 [nLength + 1];
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memset ((void *) pStrUtf32, 0, sizeof (UTF32) * (nLength + 1));
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UTF16 *pStrUtf16 = (UTF16 *) data;
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const UTF16 *pStrUtf16_Conv = pStrUtf16;
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UTF32 *pStrUtf32_Conv = pStrUtf32;
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ConversionResult eUnicodeConversionResult = ConvertUTF16toUTF32 (&pStrUtf16_Conv, &pStrUtf16[nLength]
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, &pStrUtf32_Conv, &pStrUtf32 [nLength]
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, strictConversion);
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if (conversionOK != eUnicodeConversionResult)
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{
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delete [] pStrUtf32;
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return std::wstring();
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}
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std::wstring utf32Str ((wchar_t *) pStrUtf32);
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delete [] pStrUtf32;
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return utf32Str;
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}
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}
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const std::wstring utf32_2_unicode(const unsigned char* data, DWORD data_size)
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{
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if (sizeof(wchar_t) == 4)//utf32 -> utf32
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{
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return std::wstring((wchar_t*)data, data_size / 4);
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}
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else //utf32 -> utf16
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{
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unsigned int nLength = data_size / 4;
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UTF16 *pStrUtf16 = new UTF16 [nLength + 1];
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memset ((void *) pStrUtf16, 0, sizeof (UTF16) * (nLength + 1));
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UTF32 *pStrUtf32 = (UTF32 *) data;
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const UTF32 *pStrUtf32_Conv = pStrUtf32;
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UTF16 *pStrUtf16_Conv = pStrUtf16;
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ConversionResult eUnicodeConversionResult = ConvertUTF32toUTF16 (&pStrUtf32_Conv, &pStrUtf32[nLength]
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, &pStrUtf16_Conv, &pStrUtf16 [nLength]
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, strictConversion);
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if (conversionOK != eUnicodeConversionResult)
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{
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delete [] pStrUtf16;
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return std::wstring();
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}
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std::wstring utf16Str ((wchar_t *) pStrUtf16);
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delete [] pStrUtf16;
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return utf16Str;
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}
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}
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//-----------------------------------------------------------------------------------------------
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void AddCell(std::wstring &sText, INT nStartCell, std::stack<INT> &oDeleteChars, OOX::Spreadsheet::CRow &oRow, INT nRow, INT nCol, bool bIsWrap)
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{
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while(!oDeleteChars.empty())
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{
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INT nIndex = oDeleteChars.top() - nStartCell;
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sText.erase(nIndex, 1);
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oDeleteChars.pop();
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}
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// Пустую не пишем
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if (0 == sText.length())
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return;
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OOX::Spreadsheet::CCell *pCell = new OOX::Spreadsheet::CCell();
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pCell->m_oType.Init();
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WCHAR *pEndPtr;
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double dValue = wcstod(sText.c_str(), &pEndPtr);
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if (NULL != *pEndPtr)
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{
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// Не число
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pCell->m_oType->SetValue(SimpleTypes::Spreadsheet::celltypeInlineStr);
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pCell->m_oRichText.Init();
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OOX::Spreadsheet::CText *pText = new OOX::Spreadsheet::CText();
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pText->m_sText = sText;
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pCell->m_oRichText->m_arrItems.push_back(pText);
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}
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else
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{
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// Число
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pCell->m_oValue.Init();
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pCell->m_oValue->m_sText = sText;
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}
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if (bIsWrap)
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{
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// WrapStyle
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pCell->m_oStyle.Init();
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pCell->m_oStyle->SetValue(1);
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}
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pCell->setRowCol(nRow, nCol);
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oRow.m_arrItems.push_back(pCell);
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}
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int ReadFromCsvToXlsx(const std::wstring &sFileName, OOX::Spreadsheet::CXlsx &oXlsx, UINT nCodePage, const std::wstring& sDelimiter)
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{
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NSFile::CFileBinary oFile;
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if (false == oFile.OpenFile(sFileName)) return AVS_FILEUTILS_ERROR_CONVERT;
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//-----------------------------------------------------------------------------------
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// Создадим Workbook
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oXlsx.CreateWorkbook();
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// Создадим стили
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oXlsx.CreateStyles();
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// Добавим стили для wrap-а
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oXlsx.m_pStyles->m_oCellXfs.Init();
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oXlsx.m_pStyles->m_oCellXfs->m_oCount.Init();
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oXlsx.m_pStyles->m_oCellXfs->m_oCount->SetValue(2);
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// Normall default
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OOX::Spreadsheet::CXfs* pXfs = NULL;
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pXfs = new OOX::Spreadsheet::CXfs();
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pXfs->m_oBorderId.Init();
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pXfs->m_oBorderId->SetValue(0);
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pXfs->m_oFillId.Init();
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pXfs->m_oFillId->SetValue(0);
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pXfs->m_oFontId.Init();
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pXfs->m_oFontId->SetValue(0);
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pXfs->m_oNumFmtId.Init();
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pXfs->m_oNumFmtId->SetValue(0);
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oXlsx.m_pStyles->m_oCellXfs->m_arrItems.push_back(pXfs);
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// Wrap style
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pXfs = new OOX::Spreadsheet::CXfs();
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pXfs->m_oBorderId.Init();
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pXfs->m_oBorderId->SetValue(0);
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pXfs->m_oFillId.Init();
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pXfs->m_oFillId->SetValue(0);
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pXfs->m_oFontId.Init();
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pXfs->m_oFontId->SetValue(0);
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pXfs->m_oNumFmtId.Init();
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pXfs->m_oNumFmtId->SetValue(0);
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pXfs->m_oApplyAlignment.Init();
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pXfs->m_oApplyAlignment->SetValue(SimpleTypes::onoffTrue);
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pXfs->m_oAligment.Init();
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pXfs->m_oAligment->m_oWrapText.Init();
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pXfs->m_oAligment->m_oWrapText->SetValue(SimpleTypes::onoffTrue);
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oXlsx.m_pStyles->m_oCellXfs->m_arrItems.push_back(pXfs);
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std::wstring sSheetRId = L"rId1";
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OOX::Spreadsheet::CWorksheet* pWorksheet = new OOX::Spreadsheet::CWorksheet(NULL);
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pWorksheet->m_oSheetData.Init();
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OOX::Spreadsheet::CSheet *pSheet = new OOX::Spreadsheet::CSheet();
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pSheet->m_oName.Init();
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pSheet->m_oName->append(L"Sheet1");
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pSheet->m_oSheetId.Init();
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pSheet->m_oSheetId->SetValue(1);
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pSheet->m_oRid.Init();
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pSheet->m_oRid->SetValue(sSheetRId);
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oXlsx.m_pWorkbook->m_oSheets.Init();
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oXlsx.m_pWorkbook->m_oSheets->m_arrItems.push_back(pSheet);
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//-----------------------------------------------------------------------------------
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DWORD nFileSize = 0;
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BYTE* pFileData = new BYTE[oFile.GetFileSize()];
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oFile.ReadFile(pFileData, oFile.GetFileSize(), nFileSize);
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oFile.CloseFile();
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//skip bom
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DWORD nInputBufferSize = nFileSize;
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BYTE* pInputBuffer = pFileData;
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if (nInputBufferSize >= 3 && 0xef == pInputBuffer[0] && 0xbb == pInputBuffer[1] && 0xbf == pInputBuffer[2])
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{
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nInputBufferSize -= 3;
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pInputBuffer += 3;
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}
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else if (nInputBufferSize >= 2 && ((0xfe == pInputBuffer[0] && 0xff == pInputBuffer[1]) || (0xff == pInputBuffer[0] && 0xfe == pInputBuffer[1])))
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{
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nInputBufferSize -= 2;
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pInputBuffer += 2;
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}
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std::wstring sFileDataW;
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if (nCodePage == 1000)
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{
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sFileDataW = ansi_2_unicode(pInputBuffer, nInputBufferSize);
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}
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else if (nCodePage == 46)//utf-8
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{
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sFileDataW = utf8_2_unicode(pInputBuffer, nInputBufferSize);
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}
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else if (nCodePage == 48)//utf-16
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{
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sFileDataW = utf16_2_unicode(pInputBuffer, nInputBufferSize);
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}
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else if (nCodePage == 50) // utf-32
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{
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sFileDataW = utf32_2_unicode(pInputBuffer, nInputBufferSize);
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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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sFileDataW = oUnicodeConverter.toUnicode((const char*)pInputBuffer, nInputBufferSize, oEncodindId.Name);
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}
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//------------------------------------------------------------------------------------------------------------------------------
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size_t nSize = sFileDataW.length();
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if (nSize < 1 && nInputBufferSize > 0)
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{//для синхронности вывода превью и нормального результата
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const NSUnicodeConverter::EncodindId& oEncodindId = NSUnicodeConverter::Encodings[nCodePage];
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NSUnicodeConverter::CUnicodeConverter oUnicodeConverter;
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sFileDataW = oUnicodeConverter.toUnicode((const char*)pInputBuffer, nInputBufferSize, oEncodindId.Name);
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nSize = sFileDataW.length();
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//return AVS_FILEUTILS_ERROR_CONVERT_ICU;
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}
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const WCHAR *pTemp = sFileDataW.c_str();
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WCHAR wcDelimiterLeading = L'\0';
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WCHAR wcDelimiterTrailing = L'\0';
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int nDelimiterSize = 0;
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if (sDelimiter.length() > 0)
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{
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wcDelimiterLeading = sDelimiter[0];
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nDelimiterSize = 1;
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if (2 == sizeof(wchar_t) && 0xD800 <= wcDelimiterLeading && wcDelimiterLeading <= 0xDBFF && sDelimiter.length() > 1)
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{
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wcDelimiterTrailing = sDelimiter[1];
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nDelimiterSize = 2;
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}
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}
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const WCHAR wcNewLineN = _T('\n');
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const WCHAR wcNewLineR = _T('\r');
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const WCHAR wcQuote = _T('"');
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const WCHAR wcTab = _T('\t');
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bool bIsWrap = false;
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WCHAR wcCurrent;
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INT nStartCell = 0;
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std::stack<INT> oDeleteChars;
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bool bInQuote = false;
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INT nIndexRow = 0;
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INT nIndexCol = 0;
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OOX::Spreadsheet::CRow *pRow = new OOX::Spreadsheet::CRow();
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pRow->m_oR.Init();
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pRow->m_oR->SetValue(nIndexRow + 1);
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for (size_t nIndex = 0; nIndex < nSize; ++nIndex)
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{
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wcCurrent = pTemp[nIndex];
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if (wcDelimiterLeading == wcCurrent && (L'\0' == wcDelimiterTrailing || (nIndex + 1 < nSize && wcDelimiterTrailing == pTemp[nIndex + 1])))
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{
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if (bInQuote)
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continue;
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// New Cell
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std::wstring sCellText(pTemp + nStartCell, nIndex - nStartCell);
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AddCell(sCellText, nStartCell, oDeleteChars, *pRow, nIndexRow, nIndexCol++, bIsWrap);
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bIsWrap = false;
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nStartCell = nIndex + nDelimiterSize;
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if (nStartCell == nSize)
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{
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pWorksheet->m_oSheetData->m_arrItems.push_back(pRow);
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pRow = NULL;
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}
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}
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else if (wcNewLineN == wcCurrent || wcNewLineR == wcCurrent)
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{
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if (bInQuote)
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{
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// Добавим Wrap
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bIsWrap = true;
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continue;
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}
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// New line
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if (nStartCell != nIndex)
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{
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std::wstring sCellText(pTemp + nStartCell, nIndex - nStartCell);
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AddCell(sCellText, nStartCell, oDeleteChars, *pRow, nIndexRow, nIndexCol++, bIsWrap);
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bIsWrap = false;
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}
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if (wcNewLineR == wcCurrent && nIndex + 1 != nSize && wcNewLineN == pTemp[nIndex + 1])
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{
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// На комбинацию \r\n должен быть только 1 перенос
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++nIndex;
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}
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nStartCell = nIndex + 1;
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pWorksheet->m_oSheetData->m_arrItems.push_back(pRow);
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pRow = new OOX::Spreadsheet::CRow();
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pRow->m_oR.Init();
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pRow->m_oR->SetValue(++nIndexRow + 1);
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nIndexCol = 0;
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}
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else if (wcQuote == wcCurrent)
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{
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// Quote
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if (false == bInQuote && nStartCell == nIndex && nIndex + 1 != nSize)
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{
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// Начало новой ячейки (только если мы сразу после разделителя и не в конце файла)
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bInQuote = !bInQuote;
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nStartCell = nIndex + 1;
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}
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else if ( bInQuote )
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{
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// Нужно удалить кавычку ограничитель
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oDeleteChars.push(nIndex);
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// Если следующий символ кавычка, то мы не закончили ограничитель строки (1997,Ford,E350,"Super, ""luxurious"" truck")
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if (nIndex + 1 != nSize && wcQuote == pTemp[nIndex + 1])
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++nIndex;
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else
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bInQuote = !bInQuote;
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}
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}
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else if (wcTab == wcCurrent)
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{
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// delete tab if not delimiter
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||
oDeleteChars.push(nIndex);
|
||
}
|
||
}
|
||
|
||
if (nStartCell != nSize)
|
||
{
|
||
// New line
|
||
std::wstring sCellText(pTemp + nStartCell, nSize - nStartCell);
|
||
AddCell(sCellText, nStartCell, oDeleteChars, *pRow, nIndexRow, nIndexCol++, bIsWrap);
|
||
pWorksheet->m_oSheetData->m_arrItems.push_back(pRow);
|
||
}
|
||
else
|
||
{
|
||
RELEASEOBJECT(pRow);
|
||
}
|
||
oXlsx.m_arWorksheets.push_back(pWorksheet);
|
||
oXlsx.m_mapWorksheets.insert(std::make_pair(sSheetRId, pWorksheet));
|
||
|
||
return 0;
|
||
}
|
||
}
|