From 281c8c0f63f3da2af534fbc39ddd29bc8b8c75b7 Mon Sep 17 00:00:00 2001
From: Nathan Lebrun <gaz.honsepaskwa@gmail.com>
Date: Tue, 21 Jan 2025 12:02:30 +0100
Subject: [PATCH] split_keep

---
 lib/libft/libft.h                      |   2 +
 lib/libft/srcs/format/ft_split.c       |  24 ++----
 lib/libft/srcs/format/ft_split_keep.c  | 102 +++++++++++++++++++++++++
 lib/libft/srcs/format/ft_split_utils.c |  26 +++++++
 4 files changed, 135 insertions(+), 19 deletions(-)
 create mode 100644 lib/libft/srcs/format/ft_split_keep.c

diff --git a/lib/libft/libft.h b/lib/libft/libft.h
index e8c894e..0b42e70 100644
--- a/lib/libft/libft.h
+++ b/lib/libft/libft.h
@@ -59,8 +59,10 @@ void	*ft_calloc(size_t count, size_t size);
 void	ft_bzero(void *s, size_t n);
 
 char	**ft_split(const char *s, char *set);
+char	**ft_split_keep(const char *s, char *set);
 int		is_charset(char c, char *set);
 void	free_tab(char **tab);
+char	**free_all(char **tab, int count);
 
 void	ft_put_c_fd(char c, int fd);
 void	ft_put_s_fd(char *s, int fd);
diff --git a/lib/libft/srcs/format/ft_split.c b/lib/libft/srcs/format/ft_split.c
index 50163a1..5f3028b 100644
--- a/lib/libft/srcs/format/ft_split.c
+++ b/lib/libft/srcs/format/ft_split.c
@@ -3,29 +3,15 @@
 /*                                                        :::      ::::::::   */
 /*   ft_split.c                                         :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
-/*   By: nalebrun <nalebrun@student.s19.be>         +#+  +:+       +#+        */
+/*   By: nalebrun <nalebrun@student.s19.be>        +#+  +:+       +#+         */
 /*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2024/10/11 16:15:47 by nalebrun          #+#    #+#             */
-/*   Updated: 2024/11/27 12:58:41 by nalebrun         ###   ########.fr       */
+/*   Created: 2025/01/21 11:31:07 by nalebrun          #+#    #+#             */
+/*   Updated: 2025/01/21 11:31:07 by nalebrun         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "../../libft.h"
 
-static char	**free_all(char **tab, int count)
-{
-	int	i;
-
-	i = 0;
-	while (i < count)
-	{
-		free(tab[i]);
-		i++;
-	}
-	free(tab);
-	return (NULL);
-}
-
 static int	count_strings(char const *s, char *set)
 {
 	int	count;
@@ -33,8 +19,8 @@ static int	count_strings(char const *s, char *set)
 	count = 0;
 	while (*s)
 	{
-		if (!is_charset(*s, set) && ( is_charset(*(s + 1), set)
-			|| *(s + 1) == '\0'))
+		if (!is_charset(*s, set) && (is_charset(*(s + 1), set)
+				|| *(s + 1) == '\0'))
 			count ++;
 		s++;
 	}
diff --git a/lib/libft/srcs/format/ft_split_keep.c b/lib/libft/srcs/format/ft_split_keep.c
new file mode 100644
index 0000000..24c4a71
--- /dev/null
+++ b/lib/libft/srcs/format/ft_split_keep.c
@@ -0,0 +1,102 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_split_keep.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: nalebrun <nalebrun@student.s19.be>        +#+  +:+       +#+         */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/01/21 11:31:48 by nalebrun          #+#    #+#             */
+/*   Updated: 2025/01/21 11:31:48 by nalebrun         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../../libft.h"
+
+static int	count_strings(char const *s, char *set)
+{
+	int	count;
+	int	in_word;
+
+	count = 0;
+	in_word = 0;
+	while (*s)
+	{
+		if (!is_charset(*s, set) && !in_word)
+		{
+			count++;
+			in_word = 1;
+		}
+		else if (is_charset(*s, set))
+			in_word = 0;
+		s++;
+	}
+	return (count);
+}
+
+static void	build_str(char const *src, char *dest, char *set)
+{
+	int	i;
+
+	i = 0;
+	while (src[i] && !is_charset(src[i], set))
+	{
+		dest[i] = src[i];
+		i++;
+	}
+	while (src[i] && is_charset(src[i], set))
+	{
+		dest[i] = src[i];
+		i++;
+	}
+	dest[i] = '\0';
+}
+
+static char	**alloc_tab(char const *s, char *set)
+{
+	int		count;
+	char	**tab;
+
+	count = count_strings(s, set);
+	tab = ft_calloc(count + 1, sizeof(char *));
+	return (tab);
+}
+
+static char	**build_tab(char **tab, char const *s, char *set)
+{
+	int	i;
+	int	j;
+	int	count;
+
+	i = 0;
+	count = 0;
+	while (tab && s[i])
+	{
+		if (is_charset(s[i], set))
+			i++;
+		else
+		{
+			j = 0;
+			while (s[i + j] && !is_charset(s[i + j], set))
+				j++;
+			while (s[i + j] && is_charset(s[i + j], set))
+				j++;
+			tab[count] = ft_calloc((j + 1), sizeof(char));
+			if (!tab[count])
+				return (free_all(tab, count));
+			build_str(&s[i], tab[count++], set);
+			i += j;
+		}
+	}
+	return (tab);
+}
+
+char	**ft_split_keep(char const *s, char *set)
+{
+	char	**tab;
+
+	tab = alloc_tab(s, set);
+	if (!tab)
+		return (NULL);
+	tab = build_tab(tab, s, set);
+	return (tab);
+}
diff --git a/lib/libft/srcs/format/ft_split_utils.c b/lib/libft/srcs/format/ft_split_utils.c
index 3baf6f6..dd44b0b 100644
--- a/lib/libft/srcs/format/ft_split_utils.c
+++ b/lib/libft/srcs/format/ft_split_utils.c
@@ -1,3 +1,15 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_split_utils.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: nalebrun <nalebrun@student.s19.be>        +#+  +:+       +#+         */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/01/21 11:31:30 by nalebrun          #+#    #+#             */
+/*   Updated: 2025/01/21 11:31:30 by nalebrun         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
 #include "../../libft.h"
 
 int	is_charset(char c, char *set)
@@ -26,3 +38,17 @@ void	free_tab(char **tab)
 	}
 	free(tab);
 }
+
+char	**free_all(char **tab, int count)
+{
+	int	i;
+
+	i = 0;
+	while (i < count)
+	{
+		free(tab[i]);
+		i++;
+	}
+	free(tab);
+	return (NULL);
+}