355 lines
9.2 KiB
C++
355 lines
9.2 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#include "TxtFile.h"
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#include "../../../OOXML/SystemUtility/File.h"
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static const std::string BadSymbols = "\x0A\x0B\x0C\x0D\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19";
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TxtFile::TxtFile(const std::wstring & path) : m_path(path), m_linesCount(0)
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{
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}
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const int TxtFile::getLinesCount()
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{
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return m_linesCount;
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}
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const std::vector<std::string> TxtFile::readAnsiOrCodePage() // == readUtf8withoutPref также
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{
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std::vector<std::string> result;
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NSFile::CFileBinary file_binary;
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if (file_binary.OpenFile(m_path) == false) return result;
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DWORD file_size = file_binary.GetFileSize();
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char *file_data = new char[file_size];
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if (file_data == NULL) return result;
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file_binary.ReadFile((BYTE*)file_data, file_size, file_size);
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DWORD start_pos = 0;
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for (DWORD end_pos = 0; end_pos < file_size; end_pos++)
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{
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BYTE cCurChar = file_data[end_pos];
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if (0x0a == cCurChar || 0x0d == cCurChar)
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{
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//string from start_pos to end_pos
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std::string str(file_data + start_pos, file_data + end_pos);
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start_pos = end_pos + 1;
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if(0x0d == cCurChar && start_pos < file_size && 0x0a == file_data[start_pos])
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{
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end_pos++;
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start_pos++;
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}
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result.push_back(str);
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m_linesCount++;
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}
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}//last
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std::string str(file_data + start_pos, file_data + file_size);
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result.push_back(str);
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m_linesCount++;
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return result;
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}
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const std::vector<std::wstring> TxtFile::readUnicodeFromBytes(char *file_data, long file_size)
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{
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std::vector<std::wstring> result;
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if (file_size < 3) return result;
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long start_pos = 2; // skip Header
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for (long end_pos = start_pos; end_pos + 1 < file_size; end_pos += 2)
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{
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BYTE cCurChar = file_data[end_pos];
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if (0x00 == file_data[end_pos + 1] && (0x0a == cCurChar || 0x0d == cCurChar))
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{
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result.push_back(NSFile::CUtf8Converter::GetWStringFromUTF16((unsigned short*)(file_data + start_pos), (end_pos - start_pos) / 2));
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start_pos = end_pos + 2;
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if(0x0d == cCurChar && start_pos + 1 < file_size && 0x00 == file_data[start_pos + 1] && 0x0a == file_data[start_pos])
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{
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end_pos += 2;
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start_pos += 2;
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}
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m_linesCount++;
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}
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}
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//last
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result.push_back(NSFile::CUtf8Converter::GetWStringFromUTF16((unsigned short*)(file_data + start_pos), (file_size - start_pos) / 2));
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m_linesCount++;
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return result;
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}
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const std::vector<std::wstring> TxtFile::readUnicode()
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{
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std::vector<std::wstring> result;
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NSFile::CFileBinary file_binary;
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if (file_binary.OpenFile(m_path) == false ) return result;
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DWORD file_size = file_binary.GetFileSize();
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char *file_data = new char[file_size];
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if (file_data == NULL) return result;
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file_binary.ReadFile((BYTE*)file_data, file_size, file_size);
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return readUnicodeFromBytes(file_data, file_size);
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}
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const std::vector<std::wstring> TxtFile::readBigEndian()
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{
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std::vector<std::wstring> result;
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NSFile::CFileBinary file_binary;
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if (file_binary.OpenFile(m_path) == false) return result;
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DWORD file_size = file_binary.GetFileSize();
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char *file_data = new char[file_size];
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if (file_data == NULL) return result;
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file_binary.ReadFile((BYTE*)file_data, file_size, file_size);
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//swap bytes
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DWORD file_size_round = (file_size / 2) * 2;
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for (DWORD i = 0; i < file_size_round; i+=2)
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{
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char v = file_data[i];
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file_data[i] = file_data[i+1];
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file_data[i+1] = v;
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}
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return readUnicodeFromBytes(file_data, file_size);
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}
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const std::vector<std::string> TxtFile::readUtf8()
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{
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std::vector<std::string> result;
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NSFile::CFileBinary file_binary;
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if (file_binary.OpenFile(m_path) == false) return result;
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DWORD file_size = file_binary.GetFileSize();
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char *file_data = new char[file_size];
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if (file_data == NULL) return result;
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file_binary.ReadFile((BYTE*)file_data, file_size, file_size);
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DWORD start_pos = 3; //skip header
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for (DWORD end_pos = start_pos; end_pos < file_size; end_pos++)
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{
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BYTE cCurChar = file_data[end_pos];
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if (0x0a == cCurChar || 0x0d == cCurChar)
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{
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//string from start_pos to end_pos
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std::string str(file_data + start_pos, file_data + end_pos);
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start_pos = end_pos + 1;
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if(0x0d == cCurChar && start_pos < file_size && 0x0a == file_data[start_pos])
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{
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end_pos++;
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start_pos++;
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}
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result.push_back(str);
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m_linesCount++;
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}
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}//last
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std::string str(file_data + start_pos, file_data + file_size);
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result.push_back(str);
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m_linesCount++;
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return result;
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}
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bool TxtFile::writeAnsiOrCodePage(const std::vector<std::string>& content) // === writeUtf8withoutPref также
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{
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NSFile::CFileBinary file;
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if (!file.CreateFileW(m_path)) return false;
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BYTE endLine[2] = {0x0d, 0x0a};
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for (std::vector<std::string>::const_iterator iter = content.begin(); iter != content.end(); ++iter)
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{
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file.WriteFile((BYTE*)(*iter).c_str(), (*iter).length());
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file.WriteFile(endLine, 2);
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m_linesCount++;
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}
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return true;
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}
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bool TxtFile::writeUnicode(const std::vector<std::wstring>& content)
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{
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NSFile::CFileBinary file;
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if (!file.CreateFileW(m_path)) return false;
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BYTE Header[2] = {0xff, 0xfe};
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BYTE EndLine[4] = { 0x0d, 0x00, 0x0a, 0x00 };
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file.WriteFile(Header, 2);
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for (std::vector<std::wstring>::const_iterator iter = content.begin(); iter != content.end(); ++iter)
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{
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const wchar_t * data = (*iter).c_str();
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int size = (*iter).length();
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if (sizeof(wchar_t) == 2)
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{
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file.WriteFile((BYTE*)data, size << 1);
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}
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else
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{
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//convert Utf 32 to Utf 16
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}
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file.WriteFile(EndLine, 4);
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m_linesCount++;
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}
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file.CloseFile();
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return true;
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}
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bool TxtFile::writeBigEndian(const std::vector<std::wstring>& content)
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{
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NSFile::CFileBinary file;
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if (!file.CreateFileW(m_path)) return false;
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BYTE Header[2] = {0xfe, 0xff};
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BYTE EndLine[4] = { 0x00, 0x0d, 0x00, 0x0a };
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file.WriteFile(Header, 2);
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for (std::vector<std::wstring>::const_iterator iter = content.begin(); iter != content.end(); ++iter)
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{
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if (sizeof(wchar_t) == 2)
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{
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BYTE* data = (BYTE*)(*iter).c_str();
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int size = (*iter).length();
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//swap bytes
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for (long i = 0; i < size << 1; i += 2)
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{
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char v = data[i];
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data[i] = data[i + 1];
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data[i + 1] = v;
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}
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file.WriteFile((BYTE*)(*iter).c_str(), size << 1);
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}
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else
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{
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//convert Utf 32 to Utf 16
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}
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file.WriteFile(EndLine, 4);
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m_linesCount++;
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}
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file.CloseFile();
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return true;
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}
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bool TxtFile::writeUtf8(const std::vector<std::string>& content)
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{
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NSFile::CFileBinary file;
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if (!file.CreateFileW(m_path)) return false;
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BYTE Header[3] = { 0xef ,0xbb , 0xbf };
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BYTE EndLine[2] = { 0x0d ,0x0a };
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file.WriteFile(Header, 3);
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for (std::vector<std::string>::const_iterator iter = content.begin(); iter != content.end(); ++iter)
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{
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file.WriteFile((BYTE*)(*iter).c_str(), (*iter).length());
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if (iter + 1 != content.end())
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{
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file.WriteFile((BYTE*)EndLine, 2);
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}
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m_linesCount++;
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}
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file.CloseFile();
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return true;
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}
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const bool TxtFile::isUnicode()
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{
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NSFile::CFileBinary file;
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if (file.OpenFile(m_path) == false) return false;
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DWORD dwRead;
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BYTE data [2];
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file.ReadFile(data, 2, dwRead);
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file.CloseFile();
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if ((data [0] == 0xff) && (data [1] == 0xfe))return true;
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return false;
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}
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const bool TxtFile::isBigEndian()
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{
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NSFile::CFileBinary file;
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if (file.OpenFile(m_path) == false) return false;
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DWORD dwRead;
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BYTE data [2];
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file.ReadFile(data, 2, dwRead);
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file.CloseFile();
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if ((data [0] == 0xfe) && (data [1] == 0xff))return true;
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return false;
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}
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const bool TxtFile::isUtf8()
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{
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NSFile::CFileBinary file;
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if (file.OpenFile(m_path) == false) return false;
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DWORD dwRead;
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BYTE data [3];
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file.ReadFile(data, 3, dwRead);
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file.CloseFile();
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if ((data [0] == 0xef) && (data [1] == 0xbb) && (data [2] == 0xbf))return true;
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return false;
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}
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