split_unquoted.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   split_unquoted.c                                   :+:    :+:            */
/*                                                     +:+                    */
/*   By: sde-rijk <sde-rijk@student.codam.nl>         +#+                     */
/*                                                   +#+                      */
/*   Created: 2021/12/13 10:23:06 by sde-rijk      #+#    #+#                 */
/*   Updated: 2022/01/18 10:28:37 by sde-rijk      ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */

#include <stdlib.h>
#include "Libft/libft.h"
#include <stdio.h> //TODO remove

static int	ft_words(char *s, char c, const int *quoted);

static char	*ft_copy(char *arr, char *s, char c, const int *quoted);

static void	ft_next_word(char **s, char c, int **quoted);

char	**ft_split_unquoted(char const *s, char c, const int *quoted)
{
	char	**arr;
	int		words;
	int		i;

	if (!s)
		return (0);
	i = 0;
	words = ft_words((char *)s, c, quoted);
	arr = malloc((words + 1) * sizeof(char *));
	if (!arr)
		return (0);
	while (i < words)
	{
		arr[i] = ft_copy(arr[i], (char *)s, c, quoted);
		if (!arr[i])
		{
			ft_free_ptr_array((void **)arr);
			return (0);
		}
		ft_next_word((char **)&s, c, (int **)&quoted);
		i++;
	}
	arr[i] = NULL;
	return (arr);
}

static int	ft_words(char *s, char c, const int *quoted)
{
	int	w;

	w = 0;
	while (*s)
	{
		while (*s == c && !*quoted)
		{
			s++;
			quoted++;
		}
		if (*s)
			w++;
		while (!(*s == c && !*quoted) && *s)
		{
			quoted++;
			s++;
		}
	}
	return (w);
}

static char	*ft_copy(char *arr, char *s, char c, const int *quoted)
{
	int	len;

	while (*s == c && !*quoted)
	{
		quoted++;
		s++;
	}
	len = 0;
	while (s[len] && !(s[len] == c && !quoted[len]))
		len++;
	arr = malloc((len + 1) * sizeof(char));
	if (!arr)
		return (0);
	ft_strlcpy(arr, s, len + 1);
	return (arr);
}

void	ft_next_word(char **s, char c, int **quoted)
{
	while (**s == c && !**quoted)
	{
		(*s)++;
		(*quoted)++;
	}
	while (!(**s == c && !**quoted) && **s)
	{
		(*s)++;
		(*quoted)++;
	}
}