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// Copyright (C) 2019-2021 Joel Rosdahl and other contributors
//
// See doc/AUTHORS.adoc for a complete list of contributors.
//
// 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 3 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, Inc., 51
// Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#pragma once
#include "NonCopyable.hpp"
#include <cstdio>
#include <string>
class File : public NonCopyable
{
public:
File() = default;
File(FILE* file);
File(const std::string& path, const char* mode);
File(File&& other) noexcept;
~File();
File& operator=(File&& other) noexcept;
void open(const std::string& path, const char* mode);
void close();
operator bool() const;
FILE* operator*() const;
FILE* get();
private:
FILE* m_file = nullptr;
bool m_owned = false;
};
inline File::File(FILE* const file)
{
m_file = file;
m_owned = false;
}
inline File::File(const std::string& path, const char* mode)
{
open(path, mode);
}
inline File::File(File&& other) noexcept
: m_file(other.m_file),
m_owned(other.m_owned)
{
other.m_file = nullptr;
other.m_owned = false;
}
inline File::~File()
{
close();
}
inline File&
File::operator=(File&& other) noexcept
{
m_file = other.m_file;
m_owned = other.m_owned;
other.m_file = nullptr;
other.m_owned = false;
return *this;
}
inline void
File::open(const std::string& path, const char* mode)
{
close();
m_file = fopen(path.c_str(), mode);
m_owned = true;
}
inline void
File::close()
{
if (m_file && m_owned) {
fclose(m_file);
m_file = nullptr;
}
m_owned = false;
}
inline File::operator bool() const
{
return m_file;
}
inline FILE*
File::operator*() const
{
return m_file;
}
inline FILE*
File::get()
{
return m_file;
}
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