Exemple #1
0
/*
 * call-seq:
 *   io.iflush
 *
 * Flushes input buffer in kernel.
 *
 * You must require 'io/console' to use this method.
 */
static VALUE
console_iflush(VALUE io)
{
    rb_io_t *fptr;
    int fd;

    GetOpenFile(io, fptr);
    fd = GetReadFD(fptr);
#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
    if (tcflush(fd, TCIFLUSH)) rb_sys_fail(0);
#endif
    return io;
}
Exemple #2
0
/*
 * call-seq:
 *   io.cooked!
 *
 * Enables cooked mode.
 *
 * If the terminal mode needs to be back, use io.cooked { ... }.
 *
 * You must require 'io/console' to use this method.
 */
static VALUE
console_set_cooked(VALUE io)
{
    conmode t;
    rb_io_t *fptr;
    int fd;

    GetOpenFile(io, fptr);
    fd = GetReadFD(fptr);
    if (!getattr(fd, &t)) rb_sys_fail(0);
    set_cookedmode(&t, NULL);
    if (!setattr(fd, &t)) rb_sys_fail(0);
    return io;
}
Exemple #3
0
/*
 * call-seq:
 *   io.raw!(min: nil, time: nil)
 *
 * Enables raw mode.
 *
 * If the terminal mode needs to be back, use io.raw { ... }.
 *
 * You must require 'io/console' to use this method.
 */
static VALUE
console_set_raw(int argc, VALUE *argv, VALUE io)
{
    conmode t;
    rb_io_t *fptr;
    int fd;
    rawmode_arg_t opts, *optp = rawmode_opt(argc, argv, &opts);

    GetOpenFile(io, fptr);
    fd = GetReadFD(fptr);
    if (!getattr(fd, &t)) rb_sys_fail(0);
    set_rawmode(&t, optp);
    if (!setattr(fd, &t)) rb_sys_fail(0);
    return io;
}
Exemple #4
0
/*
 * call-seq:
 *   io.echo = flag
 *
 * Enables/disables echo back.
 * On some platforms, all combinations of this flags and raw/cooked
 * mode may not be valid.
 *
 * You must require 'io/console' to use this method.
 */
static VALUE
console_set_echo(VALUE io, VALUE f)
{
    conmode t;
    rb_io_t *fptr;
    int fd;

    GetOpenFile(io, fptr);
    fd = GetReadFD(fptr);
    if (!getattr(fd, &t)) rb_sys_fail(0);
    if (RTEST(f))
	set_echo(&t, NULL);
    else
	set_noecho(&t, NULL);
    if (!setattr(fd, &t)) rb_sys_fail(0);
    return io;
}
Exemple #5
0
/*
 * call-seq:
 *   io.ioflush
 *
 * Flushes input and output buffers in kernel.
 *
 * You must require 'io/console' to use this method.
 */
static VALUE
console_ioflush(VALUE io)
{
    rb_io_t *fptr;
#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
    int fd1, fd2;
#endif

    GetOpenFile(io, fptr);
#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
    fd1 = GetReadFD(fptr);
    fd2 = GetWriteFD(fptr);
    if (fd2 != -1 && fd1 != fd2) {
	if (tcflush(fd1, TCIFLUSH)) rb_sys_fail(0);
	if (tcflush(fd2, TCOFLUSH)) rb_sys_fail(0);
    }
    else {
	if (tcflush(fd1, TCIOFLUSH)) rb_sys_fail(0);
    }
#endif
    return io;
}
Exemple #6
0
/*
 * call-seq:
 *   IO.console      -> #<File:/dev/tty>
 *
 * Returns an File instance opened console.
 *
 * You must require 'io/console' to use this method.
 */
static VALUE
console_dev(VALUE klass)
{
    VALUE con = 0;
    rb_io_t *fptr;

    if (klass == rb_cIO) klass = rb_cFile;
    if (rb_const_defined(klass, id_console)) {
	con = rb_const_get(klass, id_console);
	if (RB_TYPE_P(con, T_FILE)) {
	    if ((fptr = RFILE(con)->fptr) && GetReadFD(fptr) != -1)
		return con;
	}
	rb_mod_remove_const(klass, ID2SYM(id_console));
    }
    {
	VALUE args[2];
#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H || defined HAVE_SGTTY_H
# define CONSOLE_DEVICE "/dev/tty"
#elif defined _WIN32
# define CONSOLE_DEVICE "con$"
# define CONSOLE_DEVICE_FOR_READING "conin$"
# define CONSOLE_DEVICE_FOR_WRITING "conout$"
#endif
#ifndef CONSOLE_DEVICE_FOR_READING
# define CONSOLE_DEVICE_FOR_READING CONSOLE_DEVICE
#endif
#ifdef CONSOLE_DEVICE_FOR_WRITING
	VALUE out;
	rb_io_t *ofptr;
#endif
	int fd;

#ifdef CONSOLE_DEVICE_FOR_WRITING
	fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_WRITING, O_WRONLY, 0);
	if (fd < 0) return Qnil;
        rb_update_max_fd(fd);
	args[1] = INT2FIX(O_WRONLY);
	args[0] = INT2NUM(fd);
	out = rb_class_new_instance(2, args, klass);
#endif
	fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_READING, O_RDWR, 0);
	if (fd < 0) {
#ifdef CONSOLE_DEVICE_FOR_WRITING
	    rb_io_close(out);
#endif
	    return Qnil;
	}
        rb_update_max_fd(fd);
	args[1] = INT2FIX(O_RDWR);
	args[0] = INT2NUM(fd);
	con = rb_class_new_instance(2, args, klass);
	GetOpenFile(con, fptr);
#ifdef HAVE_RUBY_IO_H
	fptr->pathv = rb_obj_freeze(rb_str_new2(CONSOLE_DEVICE));
#else
	fptr->path = ruby_strdup(CONSOLE_DEVICE);
#endif
#ifdef CONSOLE_DEVICE_FOR_WRITING
	GetOpenFile(out, ofptr);
# ifdef HAVE_RB_IO_GET_WRITE_IO
	ofptr->pathv = fptr->pathv;
	fptr->tied_io_for_writing = out;
# else
	fptr->f2 = ofptr->f;
	ofptr->f = 0;
# endif
	ofptr->mode |= FMODE_SYNC;
#endif
	fptr->mode |= FMODE_SYNC;
	rb_const_set(klass, id_console, con);
    }
    return con;
}
Exemple #7
0
			inline bool IsClosed()
			{
				return GetReadFD() < 0;
			}
Exemple #8
0
			inline bool IsReadReady()
			{
				return GetReadFD() > 0;
			}
Exemple #9
0
/*
 * call-seq:
 *   IO.console      -> #<File:/dev/tty>
 *   IO.console(sym, *args)
 *
 * Returns an File instance opened console.
 *
 * If +sym+ is given, it will be sent to the opened console with
 * +args+ and the result will be returned instead of the console IO
 * itself.
 *
 * You must require 'io/console' to use this method.
 */
static VALUE
console_dev(int argc, VALUE *argv, VALUE klass)
{
    VALUE con = 0;
    rb_io_t *fptr;
    VALUE sym = 0;

    rb_check_arity(argc, 0, UNLIMITED_ARGUMENTS);
    if (argc) {
	Check_Type(sym = argv[0], T_SYMBOL);
    }
    if (klass == rb_cIO) klass = rb_cFile;
    if (rb_const_defined(klass, id_console)) {
	con = rb_const_get(klass, id_console);
	if (!RB_TYPE_P(con, T_FILE) ||
	    (!(fptr = RFILE(con)->fptr) || GetReadFD(fptr) == -1)) {
	    rb_const_remove(klass, id_console);
	    con = 0;
	}
    }
    if (sym) {
	if (sym == ID2SYM(id_close) && argc == 1) {
	    if (con) {
		rb_io_close(con);
		rb_const_remove(klass, id_console);
		con = 0;
	    }
	    return Qnil;
	}
    }
    if (!con) {
	VALUE args[2];
#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H || defined HAVE_SGTTY_H
# define CONSOLE_DEVICE "/dev/tty"
#elif defined _WIN32
# define CONSOLE_DEVICE "con$"
# define CONSOLE_DEVICE_FOR_READING "conin$"
# define CONSOLE_DEVICE_FOR_WRITING "conout$"
#endif
#ifndef CONSOLE_DEVICE_FOR_READING
# define CONSOLE_DEVICE_FOR_READING CONSOLE_DEVICE
#endif
#ifdef CONSOLE_DEVICE_FOR_WRITING
	VALUE out;
	rb_io_t *ofptr;
#endif
	int fd;

#ifdef CONSOLE_DEVICE_FOR_WRITING
	fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_WRITING, O_RDWR, 0);
	if (fd < 0) return Qnil;
        rb_update_max_fd(fd);
	args[1] = INT2FIX(O_WRONLY);
	args[0] = INT2NUM(fd);
	out = rb_class_new_instance(2, args, klass);
#endif
	fd = rb_cloexec_open(CONSOLE_DEVICE_FOR_READING, O_RDWR, 0);
	if (fd < 0) {
#ifdef CONSOLE_DEVICE_FOR_WRITING
	    rb_io_close(out);
#endif
	    return Qnil;
	}
        rb_update_max_fd(fd);
	args[1] = INT2FIX(O_RDWR);
	args[0] = INT2NUM(fd);
	con = rb_class_new_instance(2, args, klass);
	GetOpenFile(con, fptr);
	fptr->pathv = rb_obj_freeze(rb_str_new2(CONSOLE_DEVICE));
#ifdef CONSOLE_DEVICE_FOR_WRITING
	GetOpenFile(out, ofptr);
	ofptr->pathv = fptr->pathv;
	fptr->tied_io_for_writing = out;
	ofptr->mode |= FMODE_SYNC;
#endif
	fptr->mode |= FMODE_SYNC;
	rb_const_set(klass, id_console, con);
    }
    if (sym) {
	return rb_f_send(argc, argv, con);
    }
    return con;
}