/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_split.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: pbonilla <eirodeis.lepnj@gmail.com>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/02/01 08:32:47 by pbonilla          #+#    #+#             */
/*   Updated: 2021/02/07 14:09:27 by pbonilla         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int			count_word(char const *s, char c)
{
	int		i;
	int		nb_word;

	i = -1;
	nb_word = 0;
	while (s[++i])
	{
		if (s[i] == c && i != 0 && s[i - 1] != c)
			++nb_word;
	}
	if (i == 0 || s[i - 1] != c)
		++nb_word;
	return (nb_word);
}

int			count_char(char const *s, char c, int i)
{
	int size;

	size = 0;
	while (s[i] && s[i] != c)
	{
		++size;
		++i;
	}
	return (size);
}

char		**free_all(char **splitey, int n)
{
	while (n > 0)
	{
		--n;
		free(splitey[n]);
	}
	free(splitey);
	return (NULL);
}

char		**fill_splitey(char const *s, char **splitey, char c, int nb)
{
	int		i;
	int		j;
	int		k;

	i = 0;
	j = 0;
	while (s[i] && j < nb)
	{
		k = 0;
		while (s[i] == c)
			++i;
		if (!(splitey[j] = malloc(sizeof(char) * (count_char(s, c, i) + 1))))
			return (free_all(splitey, j));
		while (s[i] && s[i] != c)
			splitey[j][k++] = s[i++];
		splitey[j][k] = 0;
		++j;
	}
	splitey[j] = 0;
	return (splitey);
}

char		**ft_split(char const *s, char c)
{
	char	**splitey;
	int		nb_words;

	if (!s)
		return (NULL);
	nb_words = count_word(s, c);
	if (!(splitey = malloc(sizeof(char *) * (nb_words + 1))))
		return (NULL);
	if (!nb_words)
	{
		splitey[0] = 0;
		return (splitey);
	}
	return (fill_splitey(s, splitey, c, nb_words));
}