Notepad3/grepWinNP3/sktoolslib_mod/TempFile.h
2020-04-17 14:19:38 +02:00

74 lines
2.4 KiB
C++

// sktoolslib - common files for SK tools
// Copyright (C) 2014 - Stefan Kueng
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#pragma once
#include <string>
#include <set>
/**
* This singleton class handles temporary files.
* All temp files are deleted at the end
*/
class CTempFiles
{
public:
static CTempFiles& Instance();
/**
* Returns a path to a temporary file.
* \param bRemoveAtEnd if true, the temp file is removed when this object
* goes out of scope.
* \param path if set, the temp file will have the same file extension
* as this path.
*/
std::wstring GetTempFilePath(bool bRemoveAtEnd, const std::wstring& path = std::wstring());
std::wstring GetTempFilePathString();
/**
* Returns a path to a temporary directory.
* \param bRemoveAtEnd if true, the temp directory is removed when this object
* goes out of scope.
* \param path if set, the temp directory will have the same file extension
* as this path.
*/
std::wstring GetTempDirPath(bool bRemoveAtEnd, const std::wstring& path = std::wstring());
void AddFileToRemove(const std::wstring& file) { m_TempFileList.insert(file); }
private:
// try to allocate an unused temp file / dir at most MAX_RETRIES times
enum {MAX_RETRIES = 100};
// list of paths to delete when terminating the app
std::set<std::wstring> m_TempFileList;
// actual implementation
std::wstring ConstructTempPath(const std::wstring& path) const;
std::wstring CreateTempPath(bool bRemoveAtEnd, const std::wstring& path, bool directory);
// construction / destruction
CTempFiles(void);
~CTempFiles(void);
};