/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   pf_getflags.c                                      :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/02/07 14:14:38 by tmaze             #+#    #+#             */
/*   Updated: 2019/02/07 17:11:26 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libftprintf.h"

void	pf_initflags(t_flags *flags)
{
	flags->convtype = none;
	flags->minus = '\0';
	flags->sign = '\0';
	flags->hash = '\0';
	flags->width = 0;
	flags->precision = 0;
	flags->size = '\0';
}

size_t	pf_getflags(const char *format, t_flags *flags)
{
	size_t	i;

	pf_initflags(flags);
	i = 0;
	while (format[++i] && ft_strchr("%cspdiouxXf", format[i]) != NULL)
	{
		if (format[i] == '-')
			flags->minus = '-';
		if (format[i] == '#')
			flags->hash = '#';
		if (format[i] == ' ' || format[i] == '+')
			flags->sign = format[i];
		if (ft_isdigit(format[i])
			|| (format[i] == '.' && ft_isdigit(format[i + 1])))
		{
			if (ft_isdigit(format[i]))
				flags->width = ft_atoi(&format[i]);
			else
				flags->precision = ft_atoi(&format[i + 1]);
			while (format[i + 1] && ft_isdigit(format[i + 1]))
				i++;
			continue ;
		}
		if (format[i] == 'h' || format[i] == 'l')
		{
			flags->size = format[i];
			if (format[i + 1] && format[i + 1] == format[i])
				flags->size = ft_toupper(format[++i]);
		}
	}
	flags->convtype = format[i];
	return (i);
}