internal static IO prep_stdio(Stream f, int mode, Class klass)
{
IO io = new IO(klass);
io.Init(f, mode);
return io;
}
internal static IO rb_file_open(Frame caller, string fname, string mode)
{
IO io = new IO(Ruby.Runtime.Init.rb_cIO);
int mode1 = IO.rb_io_mode_flags(caller, mode);
int mode2 = rb_io_mode_modenum(caller, mode);
FileMode fm = IO.modenumToFileMode(mode2);
FileAccess fa = IO.modenumToFileAccess(mode2);
io.Init(fname, fm, fa, mode1);
return io;
}
internal static object rb_open_file(IO io, Frame caller, Array rest)
{
Class.rb_scan_args(caller, rest, 1, 2, false);
object vmode = null, perm = null;
if (rest.Count > 1)
vmode = rest[1];
if (rest.Count > 2)
perm = rest[2];
string fname = String.SafeStringValue(rest[0], caller);
if (vmode is int || perm != null)
{
int flags;
if (vmode is int)
flags = (int)vmode;
else
flags = IO.rb_io_mode_modenum(caller, String.SafeStringValue(vmode, caller));
// TODO: fmode / perm not used
//int fmode = (perm == null) ? 438 /*0666*/ : Integer.rb_num2long(perm);
io.Init(fname, IO.modenumToFileMode(flags), IO.modenumToFileAccess(flags), IO.rb_io_modenum_flags(flags));
}
else
{
string mode = (vmode == null) ? "r" : String.StringValue(vmode, caller);
int flags = IO.rb_io_mode_modenum(caller, mode);
io.Init(fname, IO.modenumToFileMode(flags), IO.modenumToFileAccess(flags), IO.rb_io_mode_flags(caller, mode));
}
return io;
}