FDFile.hxx

#pragma once
 
// cosmos
#include <cosmos/fs/FileBase.hxx>
 
namespace cosmos {
 
 
class COSMOS_API FDFile :
                public FileBase {
public: // functions
 
        FDFile() = default;
 
        FDFile(const FileDescriptor fd, const AutoCloseFD auto_close) {
                open(fd, auto_close);
        }
 
        FDFile(FDFile &&other) noexcept {
                *this = std::move(other);
        }
 
        FDFile& operator=(FDFile &&other) noexcept {
                m_auto_close = other.m_auto_close;
                other.m_auto_close = AutoCloseFD{true};
 
                FileBase::operator=(std::move(other));
                return *this;
        }
 
        ~FDFile();
 
 
        void open(const FileDescriptor fd, const AutoCloseFD auto_close) {
                m_fd = fd;
                m_auto_close = auto_close;
        }
 
 
        void close() override {
 
                if (!m_auto_close) {
                        m_fd.reset();
                        m_auto_close = AutoCloseFD{true};
                        return;
                }
 
                FileBase::close();
        }
 
protected: // data
        AutoCloseFD m_auto_close;
};
 
} // end ns