//static std::error_condition open_zip(std::unique_ptr<random_read> &&file, ptr &result) noexcept;
// open a 7Z file and parse its central directory
public static std.error_condition 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); //m7z_file_impl::ptr 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(std.errc.not_enough_memory); }
var err = newimpl.initialize();
if (err)
{
return(err);
}
}
// allocate the archive API wrapper
result = new m7z_file_wrapper(newimpl); //result.reset(new (std::nothrow) m7z_file_wrapper(std::move(newimpl)));
if (result != null)
{
return(new std.error_condition());
}
else
{
m7z_file_impl.close(newimpl); //m7z_file_impl::close(std::move(newimpl));
return(std.errc.not_enough_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 std.error_condition open_zip(string filename, out archive_file result)
{
//throw new emu_unimplemented();
result = null;
return(std.errc.not_supported);
}
