// open a 7Z file and parse its central directory
public static error open_7z(string filename, out archive_file result)
{
// ensure we start with a nullptr result
result = null; //result.reset();
// see if we are in the cache, and reopen if so
m7z_file_impl newimpl = m7z_file_impl.find_cached(filename);
if (newimpl == null)
{
// allocate memory for the 7z file structure
try { newimpl = new m7z_file_impl(filename); } //try { newimpl = std.make_unique<m7z_file_impl>(filename); }
catch (Exception e) { return(error.OUT_OF_MEMORY); }
error err = newimpl.initialize();
if (err != error.NONE)
{
return(err);
}
}
try
{
result = new m7z_file_wrapper(newimpl); //result = std.make_unique<m7z_file_wrapper>(std::move(newimpl));
return(error.NONE);
}
catch (Exception e)
{
m7z_file_impl.close(newimpl);
return(error.OUT_OF_MEMORY);
}
}
//typedef std::unique_ptr<archive_file> ptr;
/* ----- archive file access ----- */
// open a ZIP file and parse its central directory
/*-------------------------------------------------
* zip_file_open - opens a ZIP file for reading
* -------------------------------------------------*/
public static error open_zip(string filename, out archive_file result)
{
//throw new emu_unimplemented();
result = null;
return(error.UNSUPPORTED);
}