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/**
* @file thtmpdir.h
* Temporary directory module.
*/
/* Copyright (C) 2000 Stacho Mudrak
*
* $Date: $
* $RCSfile: $
* $Revision: $
*
* --------------------------------------------------------------------
* 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
* 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* --------------------------------------------------------------------
*/
#ifndef thtmpdir_h
#define thtmpdir_h
#include <string>
/**
* Temporary directory module.
*
* Creates and remove temporary directory.
*/
class thtmpdir {
private:
/**
* @brief Helper class to switch between cwd and tmpdir.
* Constructor will set current working directory to the temporary directory,
* destructor vice versa.
*/
class [[nodiscard]] tmpdir_handle
{
public:
explicit tmpdir_handle(const std::string& tmp_dir);
~tmpdir_handle();
/**
* @brief Explicitly switch to the previous working directory.
*/
void switch_from_tmpdir() noexcept;
// copy and move disabled, we don't need them
tmpdir_handle(const tmpdir_handle&) = delete;
tmpdir_handle(tmpdir_handle&& other) = delete;
tmpdir_handle& operator=(const tmpdir_handle&) = delete;
tmpdir_handle& operator=(tmpdir_handle&& other) = delete;
private:
std::string prev_dir;
};
public:
bool exist; ///< ID whether temp directory exist.
bool tried; ///< ID, if we've tried to create temp directory.
bool delete_all; ///< ID whether to delete temporary directory.
bool debug; ///< ID, whether debugging mode is on.
std::string name = "."; ///< Name of temp dir.
std::string file_name; ///< Name of temporary file.
std::string tmp_remove_script; ///< Script for tmp directory deletion.
/**
* Creates temporary directory.
*/
void create();
/**
* Removes temporary directory.
*/
void remove();
/**
* Standard constructor.
*/
thtmpdir();
/**
* Standard destructor.
*/
~thtmpdir();
/**
* Retrieve temporary directory name.
*/
const char* get_dir_name();
/**
* Form valid path from temporary directory name and given file name.
*/
const char* get_file_name(const char *fname);
/**
* Set deleting state.
*/
void set_delete(bool delete_id);
/**
* Retrieve deleting state.
*/
bool get_delete();
/**
* Turn deleting temp directory on.
*/
void delete_on();
/**
* Turn deleting temp directory off.
*/
void delete_off();
/**
* @brief Switch working directory to the temporary directory.
* @return Handle object which will switch back to the previous
* working directory in its destructor.
*/
tmpdir_handle switch_to_tmpdir();
};
extern thtmpdir thtmp;
#endif
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