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/*
* SPL - The SPL Programming Language
* Copyright (C) 2004, 2005 Clifford Wolf <clifford@clifford.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* mod_termio.c: Simple terminal IO library
*/
/**
* Terminal IO module
*
* This module provides simple functions for controlling ANSI terminals.
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "spl.h"
#include "compat.h"
extern void SPL_ABI(spl_mod_termio_init)(struct spl_vm *vm, struct spl_module *mod, int restore);
extern void SPL_ABI(spl_mod_termio_done)(struct spl_vm *vm, struct spl_module *mod);
/**
* This function sets the current curos position
* The X and Y coordinates are relative to the upper left corner.
* The upper left corner has the coordinates (1, 1).
*/
// builtin termio_setpos(x, y)
static struct spl_node *handler_termio_setpos(struct spl_task *task, void *data UNUSED)
{
int x = spl_clib_get_int(task);
int y = spl_clib_get_int(task);
printf("\e[%d;%dH", y, x);
fflush(stdout);
return 0;
}
/**
* This function clears the screen.
*/
// builtin termio_clear()
static struct spl_node *handler_termio_clear(struct spl_task *task UNUSED, void *data UNUSED)
{
printf("\e[2J");
fflush(stdout);
return 0;
}
/**
* This function sleeps for one second.
*/
// builting termio_sleep()
static struct spl_node *handler_termio_sleep(struct spl_task *task UNUSED, void *data UNUSED)
{
my_sleep(1);
return 0;
}
void SPL_ABI(spl_mod_termio_init)(struct spl_vm *vm, struct spl_module *mod UNUSED, int restore UNUSED)
{
spl_clib_reg(vm, "termio_setpos", handler_termio_setpos, 0);
spl_clib_reg(vm, "termio_clear", handler_termio_clear, 0);
spl_clib_reg(vm, "termio_sleep", handler_termio_sleep, 0);
}
void SPL_ABI(spl_mod_termio_done)(struct spl_vm *vm UNUSED, struct spl_module *mod UNUSED)
{
return;
}
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