/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   checker.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/02/23 13:35:15 by tmaze             #+#    #+#             */
/*   Updated: 2019/02/23 14:55:14 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

int	ft_issign(char c)
{
	return (c == '+' || c == '-');
}

int	ft_iswhitespace(char c)
{
	return (c == ' ' || c == '\t' || c == '\n' || c == '\v' || c == '\f'
			|| c == '\r');
}

int ft_hasdigit(char *s)
{
	int	i;

	i = 0;
	while (s[i] && !ft_isdigit(s[i]))
		i++;
	return (ft_isdigit(s[i]));
}

int	check_input(char *in, int *ret)
{
	int		i;

	i = 0;
	ret = 0;
	while (in[i] && ft_iswhitespace(in[i]))
		i++;
	if (in[i] && ft_issign(in[i]))
		i++;
	while (in[i] && ft_iswhitespace(in[i]))
		i++;
	while (in[i] && ft_isdigit(in[i]))
		i++;
	while (in[i] && ft_iswhitespace(in[i]))
		i++;
	if (in[i] == '\0' && ft_hasdigit(in))
		*ret = ft_atoi(in);
	return (in[i] == '\0' && ft_hasdigit(in));
}

int	main(int ac, char **av)
{
	int			i;
	int			nb;
	t_stack		*new;
	t_psdata	data;

	i = ac;
	while (i > 0)
	{
		if (check_input(av[i], &nb) && (new = ps_stknew(nb)) != NULL)
			ps_stkpsh(&(data.a), new);
		else
		{
			ft_putendl_fd("Error", 2);
			ps_stkclean(&data);
			return (2);
		}
		i--;
	}
}