FileSystem::TemporaryFile Class Reference

Helper file to create a temporary file and ensure deletion if object goes out of scope. More...

#include <FileSystem.h>

Inheritance diagram for FileSystem::TemporaryFile:

Collaboration diagram for FileSystem::TemporaryFile:

Public Member Functions
	TemporaryFile (std::ios_base::openmode mode=std::ios_base::trunc|std::ios_base::out)
	construct a new temporary file
	TemporaryFile (const TemporaryFile &)=delete
	prevent assignment
	TemporaryFile (TemporaryFile &&)=delete
	and no move construction as basic_ios doesn't allow that
TemporaryFile &	operator= (const TemporaryFile &)=delete
	prevent copy constructor
	~TemporaryFile ()
	close file and delete on destruction
std::string	getName () const
	get filename of the temporary file

Private Attributes
std::string	m_filename
	filename of the temporary file

Detailed Description

Helper file to create a temporary file and ensure deletion if object goes out of scope.

Definition at line 128 of file FileSystem.h.

Constructor & Destructor Documentation

TemporaryFile()

TemporaryFile ( std::ios_base::openmode  mode = std::ios_base::trunc | std::ios_base::out )

explicit

construct a new temporary file

Definition at line 223 of file FileSystem.cc.

                                                              : std::fstream()
{
  char* temporaryFileName = strdup((std::filesystem::temp_directory_path() / "basf2_XXXXXX").c_str());
  int fileDescriptor = mkstemp(temporaryFileName);
  if (fileDescriptor == -1) {
    B2ERROR("Cannot create temporary file: " << strerror(errno));
    free(temporaryFileName);
    return;
  }
  m_filename = std::string(temporaryFileName);
  open(temporaryFileName, mode);
  if (!is_open()) {
    B2ERROR("Cannot open temporary file: " << strerror(errno));
  }
  free(temporaryFileName);
  ::close(fileDescriptor);
}

~TemporaryFile()

~TemporaryFile

(

)

close file and delete on destruction

Definition at line 241 of file FileSystem.cc.

{
  close();
  fs::remove(m_filename);
}

Member Function Documentation

getName()

std::string getName ( ) const

inline

get filename of the temporary file

Definition at line 141 of file FileSystem.h.

{ return m_filename; }

Member Data Documentation

m_filename

std::string m_filename

private

filename of the temporary file

Definition at line 144 of file FileSystem.h.

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The documentation for this class was generated from the following files:

• framework/utilities/include/FileSystem.h
• framework/utilities/src/FileSystem.cc