/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strcapitalize.c                                 :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: whaffman <whaffman@student.codam.nl>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/06/06 15:57:01 by whaffman          #+#    #+#             */
/*   Updated: 2024/06/09 17:29:10 by whaffman         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

int	ft_is_num(char c)
{
	return (c >= '0' && c <= '9');
}

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

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

int	ft_is_alphanumeric(char c)
{
	return (ft_is_num(c) || ft_is_upper(c) || ft_is_lower(c));
}

char	*ft_strcapitalize(char *str)
{
	int		first_letter;
	char	*org_str;

	org_str = str;
	first_letter = 1;
	while (*str)
	{
		if (first_letter && ft_is_lower(*str))
			*str = *str - 'a' + 'A';
		if (!first_letter && ft_is_upper(*str))
			*str = *str - 'A' + 'a';
		if (ft_is_alphanumeric(*str))
			first_letter = 0;
		else
			first_letter = 1;
		str++;
	}
	return (org_str);
}
/*
#include <stdio.h>
int main(void)
{
	char str[] = "salut, comment tu vas ? 42mots quaRante-deux; cinquante+et+un";
	ft_strcapitalize(&str[0]);
	printf("%s", str);
	return (0);
}
*/