/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strcapitalize.c                                 :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/07/18 10:52:54 by cchauvet          #+#    #+#             */
/*   Updated: 2022/07/20 13:08:31 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

int	ft_is_lower(char c)
{
	if ('a' <= c && c <= 'z')
		return (1);
	return (0);
}

int	ft_is_upper(char c)
{
	if ('A' <= c && c <= 'Z')
		return (1);
	return (0);
}

int	ft_is_alpha(char c)
{
	if (ft_is_lower(c) || ft_is_upper(c))
		return (1);
	return (0);
}

int	ft_is_digit(char c)
{
	if ('0' <= c && c <= '9')
		return (1);
	return (0);
}

char	*ft_strcapitalize(char *str)
{
	int	i;

	i = 1;
	if (ft_is_lower(str[0]))
		str[i] -= 32;
	while (str[i] != 0)
	{
		if (!(ft_is_alpha(str[i - 1]) || ft_is_digit(str[i - 1])))
		{
			if (ft_is_lower(str[i]))
				str[i] -= 32;
		}
		else
			if (ft_is_upper(str[i]))
				str[i] += 32;
		i++;
	}
	return (str);
}

/*
#include <stdio.h>

int	main()
{
	char	str[] = "salut, comment tu vas ? 42mots quarante-deux; cinquante+et+un";
	printf("%s\n", str);
	printf("%s", ft_strcapitalize(str));
}
*/