UtilLib

ft_split.c

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_split.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: hexplor <marvin@42.fr>                     +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/11/16 17:06:15 by hexplor           #+#    #+#             */
+/*   Updated: 2023/11/29 13:19:56 by hexplor          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+static size_t	count_word(char	*str, char c)
+{
+	int	count;
+
+	count = 0;
+	while (*str)
+	{
+		while (*str == c)
+			str++;
+		if (*str != c && *str)
+			count++;
+		while (*str && *str != c)
+			str++;
+	}
+	return (count);
+}
+
+static size_t	len_word(char *s, char c, size_t start)
+{
+	size_t	i;
+
+	i = 0;
+	while (s[start] && s[start] != c)
+	{
+		i++;
+		start++;
+	}
+	return (i);
+}
+
+static void	free_array(char **s1)
+{
+	size_t	i;
+
+	i = 0;
+	while (s1[i])
+	{
+		free(s1[i]);
+		i++;
+	}
+	free(s1);
+}
+
+static char	**divisor(char *str1, char c, char **array, size_t len)
+{
+	size_t	i;
+	size_t	j;
+
+	i = 0;
+	j = 0;
+	while (i < len)
+	{
+		while (str1[j] && str1[j] == c)
+			j++;
+		array[i] = ft_substr(str1, j, len_word(str1, c, j));
+		if (!array[i])
+		{
+			free_array(array);
+			return (NULL);
+		}
+		while (str1[j] && str1[j] != c)
+			j++;
+		i++;
+	}
+	array[i] = NULL;
+	return (array);
+}
+
+char	**ft_split(char const *s, char c)
+{
+	size_t	words;
+	char	**array;
+
+	if (!s)
+		return (NULL);
+	words = count_word((char *)s, c);
+	array = (char **)malloc((words + 1) * (sizeof(char *)));
+	if (!array)
+		return (NULL);
+	array = divisor((char *)s, c, array, words);
+	return (array);
+}
+/*
+int	main()
+{
+	char	**list;
+
+	list = ft_split("--1-2--3---4----5-----42", '-');
+	for (int i = 0; list[i] != NULL; ++i)
+                free(list[i]);
+	free(list);
+	return (0);
+}
+*/