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https://github.com/rizonesoft/Notepad3.git
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134 lines
3.3 KiB
C++
134 lines
3.3 KiB
C++
// sktoolslib - common files for SK tools
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// Copyright (C) 2013 - Stefan Kueng
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#include "stdafx.h"
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#include "CircularLog.h"
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#include "codecvt.h"
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#include "StringUtils.h"
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#include <fstream>
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#include <vector>
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#include <time.h>
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CCircularLog::CCircularLog()
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: m_maxlines(10000)
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{
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}
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CCircularLog::~CCircularLog()
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{
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Save();
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}
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CCircularLog& CCircularLog::Instance()
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{
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static CCircularLog instance;
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return instance;
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}
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bool CCircularLog::Init( const std::wstring& path, int maxlines )
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{
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m_path = path;
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m_maxlines = maxlines;
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try
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{
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std::wifstream File;
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File.imbue(std::locale(std::locale(), new utf8_conversion()));
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File.open(m_path);
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if (!File.good())
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{
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CreateDirectory(path.substr(0, path.find_last_of('\\')).c_str(), NULL);
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HANDLE hFile = CreateFile(path.c_str(), GENERIC_WRITE, FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL);
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if (hFile != INVALID_HANDLE_VALUE)
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CloseHandle(hFile);
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return false;
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}
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std::wstring line;
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while (std::getline(File, line))
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{
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m_lines.push_back(line);
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};
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File.close();
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}
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catch (std::exception&)
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{
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return false;
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}
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return true;
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}
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bool CCircularLog::AddLine( const std::wstring& line )
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{
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wchar_t tmpbuf1[128] = {0};
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_wstrtime_s(tmpbuf1, 128);
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wchar_t tmpbuf2[128] = {0};
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_wstrdate_s(tmpbuf2, 128);
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m_lines.push_back(CStringUtils::Format(L"%s %s : %s", tmpbuf2, tmpbuf1, line.c_str()));
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while ((int)m_lines.size() > m_maxlines)
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m_lines.pop_front();
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return true;
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}
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bool CCircularLog::Save()
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{
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if (m_path.empty())
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return false;
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try
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{
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std::wofstream File;
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File.imbue(std::locale(std::locale(), new utf8_conversion()));
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File.open(m_path);
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if (!File.good())
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{
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return false;
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}
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for (const auto& line : m_lines)
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{
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File << line << std::endl;
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}
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File.close();
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}
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catch (std::exception&)
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{
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return false;
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}
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return true;
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}
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void CCircularLog::operator()( LPCWSTR pszFormat, ... )
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{
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va_list marker;
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// Initialize variable arguments
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va_start(marker, pszFormat);
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// Get formatted string length adding one for the NULL
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size_t len = _vscwprintf(pszFormat, marker) + 1;
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// Create a char vector to hold the formatted string.
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std::vector<wchar_t> buffer(len, L'\0');
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_vsnwprintf_s(&buffer[0], buffer.size(), len, pszFormat, marker);
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// Reset variable arguments
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va_end(marker);
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AddLine(&buffer[0]);
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}
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