42_minishell/utils/ft_split_charset_quoted.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_split_charset_quoted.c                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/04/11 14:50:26 by erey-bet          #+#    #+#             */
/*   Updated: 2023/04/14 15:53:49 by erey-bet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "utils.h"

int	new_strs(char ***strs, const char *to_split, int *i, int *j)
{
	if (ft_strlen((*strs)[(*i)]) <= 0)
		return (0);
	(*i)++;
	(*j) = 0;
	(*strs)[(*i)] = ft_calloc(sizeof(char),
			(ft_strlen(to_split) + 1));
	if (!(*strs)[(*i)])
		return (1);
	return (0);
}

int	get_strs(const char *to_split, const char *charset, char ***strs, int *i)
{
	int	j;
	int	x;
	int	y;
	int	check;

	x = -1;
	j = 0;
	while (to_split[++x])
	{
		y = -1;
		check = 1;
		while (charset[++y])
		{
			if (to_split[x] == charset[y] && !ft_is_in_quote(to_split, x))
			{
				check = 0;
				if (new_strs(strs, to_split, i, &j))
					return (1);
			}
		}
		if (check)
			(*strs)[(*i)][j++] = to_split[x];
	}
	return (0);
}

void	free_set_null(char ***strs, int i)
{
	if (ft_strlen((*strs)[i]) == 0)
	{
		free((*strs)[i]);
		(*strs)[i] = NULL;
	}
}

char	**ft_split_charset_quoted(const char *to_split, const char *charset)
{
	char	**strs;
	int		i;

	strs = ft_calloc(sizeof(char *), (ft_strlen(to_split) + 1));
	if (!strs)
		return (NULL);
	i = 0;
	strs[0] = ft_calloc(sizeof(char), (ft_strlen(to_split) + 1));
	if (!strs[0])
	{
		free(strs);
		return (NULL);
	}
	if (get_strs(to_split, charset, &strs, &i))
	{
		i = -1;
		while (strs[++i])
			free(strs[i]);
		free(strs);
		return (NULL);
	}
	free_set_null(&strs, i);
	return (strs);
}