/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_parser.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: pbonilla <eirodeis.lepnj@gmail.com>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/03/03 02:19:59 by pbonilla          #+#    #+#             */
/*   Updated: 2021/03/21 20:00:15 by pbonilla         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../includes/ft_printf.h"

t_param			ft_init_param(void)
{
	t_param		param;

	param.minus = 0;
	param.zero = 0;
	param.width = 0;
	param.prec = -1;
	param.type = 0;
	param.len = 0;
	return (param);
}

int				is_valid_type(const char c)
{
	return (c == 'c' || c == 's' || c == 'p' || c == 'd' ||
			c == 'i' || c == 'u' || c == 'x' || c == 'X' || c == '%');
}

int				ft_parse_para2(const char *s, int i, t_param *par, va_list args)
{
	if (s[i] == '.')
	{
		par->prec = 0;
		if (s[++i] == '*')
		{
			par->prec = va_arg(args, int);
			++i;
		}
		else if (s[i] >= '0' && s[i] <= '9')
		{
			par->prec = ft_atoi(&s[i]);
			while (s[i] >= '0' && s[i] <= '9')
				++i;
		}
	}
	if (is_valid_type(s[i]))
		par->type = (int)s[i];
	else
		return (-1);
	return (i);
}

int				ft_parse_param(const char *s, int i, t_param *par, va_list args)
{
	while (s[i] == '0' || s[i] == '-')
	{
		if (s[i] == '0')
			par->zero = 1;
		else if (s[i] == '-')
			par->minus = 1;
		++i;
	}
	if (s[i] >= '0' && s[i] <= '9')
		par->width = ft_atoi(&s[i]);
	while (s[i] >= '0' && s[i] <= '9')
		++i;
	if (s[i] == '*')
	{
		par->width = va_arg(args, int);
		++i;
	}
	if (par->width < 0)
	{
		par->width *= -1;
		par->minus = 1;
	}
	i = ft_parse_para2(s, i, par, args);
	return (i);
}