/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_split.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: gbaconni <gbaconni@42lausanne.ch>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/08/22 18:14:04 by gbaconni          #+#    #+#             */
/*   Updated: 2021/08/23 18:02:47 by gbaconni         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stdlib.h>
#include <stdio.h>

static int	ft_strlen(char *str)
{
	char	*p_str;

	p_str = str;
	while (*p_str != '\0')
		p_str++;
	return (p_str - str);
}

static char	*ft_strncpy(char *dest, char *src, unsigned int n)
{
	unsigned int	i;

	i = 0;
	while (i < n && src[i] != '\0')
	{
		dest[i] = src[i];
		i++;
	}
	while (i < n)
	{
		dest[i] = '\0';
		i++;
	}
	return (dest);
}

static int	ft_is_charset(char c, char *charset)
{
	char	*p_charset;
	int		r;

	r = 1;
	p_charset = charset;
	while (*p_charset != '\0')
		r &= (*p_charset++ == c);
	return (r);
}

static int	ft_split_len(char *str, char *charset)
{
	char	*p_str;
	int		size;

	size = 2;
	p_str = str;
	while (*p_str != '\0')
	{
		if (ft_is_charset(*p_str++, charset) == 1)
			size++;
	}
	return (size);
}

char	**ft_split(char *str, char *charset)
{
	char	**strs;
	char	*p_str;
	char	*start;
	int		size;
	int		i;

	size = ft_split_len(str, charset);
	strs = malloc((size) * sizeof(strs));
	p_str = str;
	start = str;
	i = 0;
	while (*p_str != '\0')
	{
		if (ft_is_charset(*p_str, charset) == 1)
		{
			size = end - begin;
			if (size > 0)
			{
				strs[i++] = (char *) malloc((size + 1) * sizeof(char));
				ft_strncpy(strs[i], str + start, size);
			}
			start = p_str + 1;
		}
		p_str++;
	}
	strs[i] = (char *) malloc(sizeof(char));
	strs[i][0] = '\0';
	return (strs);
}