diff --git a/lib/libft/srcs/drawio/drawio.h b/lib/libft/srcs/drawio/drawio.h
index 781ecd0..ad1da83 100644
--- a/lib/libft/srcs/drawio/drawio.h
+++ b/lib/libft/srcs/drawio/drawio.h
@@ -13,7 +13,7 @@
 #ifndef DRAWIO_H
 # define DRAWIO_H
 
-#include "../../libft.h" 
+# include "../../libft.h" 
 
 typedef enum e_dio_elemtype
 {
@@ -35,8 +35,8 @@ typedef struct s_dio_elem
 
 }	t_dio_elem;
 
-int drawio_init(char *file_path);
-int drawio_create_elem(int fd, t_dio_elem *elem);
-void drawio_end_file(int fd);
+int		drawio_init(char *file_path);
+int		drawio_create_elem(int fd, t_dio_elem *elem);
+void	drawio_end_file(int fd);
 
 #endif
diff --git a/lib/libft/srcs/drawio/header/dio_private.h b/lib/libft/srcs/drawio/header/dio_private.h
index 3a533b7..a0ed9b6 100644
--- a/lib/libft/srcs/drawio/header/dio_private.h
+++ b/lib/libft/srcs/drawio/header/dio_private.h
@@ -10,8 +10,8 @@
 /*                                                                            */
 /* ************************************************************************** */
 
-#ifndef DIO_PRIVATE
-# define DIO_PRIVATE
+#ifndef DIO_PRIVATE_H
+# define DIO_PRIVATE_H
 
 int	draw_rect(int fd, int id, t_dio_elem *elem);
 int	draw_arrow(int fd, int id, t_dio_elem *elem);
diff --git a/lib/libft/srcs/drawio/srcs/create_elem.c b/lib/libft/srcs/drawio/srcs/create_elem.c
index 02838c9..6728863 100644
--- a/lib/libft/srcs/drawio/srcs/create_elem.c
+++ b/lib/libft/srcs/drawio/srcs/create_elem.c
@@ -17,12 +17,12 @@ int	draw_rect(int fd, int id, t_dio_elem *elem)
 {
 	ft_fprintf(fd, "<mxCell id=\"%d\" ", id);
 	ft_fprintf(fd, "value=\"%s\" ", elem->text);
-	ft_fprintf(fd, "style=\"rounded=%d;whiteSpace=wrap;html=1;\" ", elem->rounded);
-	ft_fprintf(fd, "vertex=\"1\" parent=\"1\"> \n");
-	ft_fprintf(fd, "<mxGeometry x=\"%d\" y=\"%d\" ", elem->x, elem->y); 
+	ft_fprintf(fd, "style=\"rounded=%d;whiteSpace=wrap;", elem->rounded);
+	ft_fprintf(fd, "html=1;\" vertex=\"1\" parent=\"1\"> \n");
+	ft_fprintf(fd, "<mxGeometry x=\"%d\" y=\"%d\" ", elem->x, elem->y);
 	ft_fprintf(fd, "width=\"%d\" height=\"%d\" ", elem->w, elem->h);
 	ft_fprintf(fd, "as=\"geometry\"/>\n");
-    ft_fprintf(fd, "</mxCell>\n");
+	ft_fprintf(fd, "</mxCell>\n");
 	return (id);
 }
 
@@ -31,8 +31,8 @@ int	draw_arrow(int fd, int id, t_dio_elem *elem)
 	if (!elem->id_src || !elem->id_dst)
 		return (0);
 	ft_fprintf(fd, "<mxCell id=\"%d\" ", id);
-	ft_fprintf(fd, "edge=\"1\" parent=\"1\" "); 
-	ft_fprintf(fd, "source=\"%d\" target=\"%d\">\n", elem->id_src, elem->id_dst);
-    ft_fprintf(fd, "<mxGeometry relative=\"1\" as=\"geometry\"/>\n</mxCell>\n");
+	ft_fprintf(fd, "edge=\"1\" parent=\"1\" source=");
+	ft_fprintf(fd, "\"%d\" target=\"%d\">\n", elem->id_src, elem->id_dst);
+	ft_fprintf(fd, "<mxGeometry relative=\"1\" as=\"geometry\"/>\n</mxCell>\n");
 	return (id);
 }
diff --git a/lib/libft/srcs/drawio/srcs/drawio.c b/lib/libft/srcs/drawio/srcs/drawio.c
index e442717..e97b122 100644
--- a/lib/libft/srcs/drawio/srcs/drawio.c
+++ b/lib/libft/srcs/drawio/srcs/drawio.c
@@ -13,33 +13,32 @@
 #include "../drawio.h"
 #include "../header/dio_private.h"
 
-int drawio_init(char *file_path)
+int	drawio_init(char *file_path)
 {
-	int fd;
+	int	fd;
 
 	fd = open(file_path, O_WRONLY | O_CREAT | O_TRUNC, 0666);
-
 	ft_fprintf(fd, "<mxfile host=\"app.diagrams.net\" ");
 	ft_fprintf(fd, "modified=\"2025-01-24T12:00:00Z\" ");
-	ft_fprintf(fd, "agent=\"c_generator\" version=\"15.8.7\" "); 
+	ft_fprintf(fd, "agent=\"c_generator\" version=\"15.8.7\" ");
 	ft_fprintf(fd, "type=\"device\">\n");
 	ft_fprintf(fd, "<diagram id=\"GEN\" name=\"GEN-Diagram\">\n");
-    ft_fprintf(fd, "<mxGraphModel>\n");
-    ft_fprintf(fd, "<root>\n");
-    ft_fprintf(fd, "<mxCell id=\"0\"/>\n");
+	ft_fprintf(fd, "<mxGraphModel>\n");
+	ft_fprintf(fd, "<root>\n");
+	ft_fprintf(fd, "<mxCell id=\"0\"/>\n");
 	ft_fprintf(fd, "<mxCell id=\"1\" parent=\"0\"/>\n");
-	return(fd);
+	return (fd);
 }
 
-void drawio_end_file(int fd)
+void	drawio_end_file(int fd)
 {
 	ft_fprintf(fd, "</root>\n</mxGraphModel>\n</diagram>\n</mxfile>");
 	close(fd);
 }
 
-int drawio_create_elem(int fd, t_dio_elem *elem)
+int	drawio_create_elem(int fd, t_dio_elem *elem)
 {
-	static int id = 1;
+	static int	id = 1;
 
 	id ++;
 	if (elem->type == ARROW)
diff --git a/tests/drawio.c b/tests/drawio.c
new file mode 100644
index 0000000..4dafb0b
--- /dev/null
+++ b/tests/drawio.c
@@ -0,0 +1,90 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   drawio.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: nalebrun <nalebrun@student.s19.be>        +#+  +:+       +#+         */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/01/24 14:41:02 by nalebrun          #+#    #+#             */
+/*   Updated: 2025/01/24 14:41:02 by nalebrun         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "parsing.h"
+#include "tokenizer/tokenizer.h"
+
+int	get_amp_count(char *str)
+{
+	int	i;
+	int	count;
+
+	i = 0;
+	count = 0;
+	while (str[i])
+	{
+		if (str[i] == '&')
+			count++;
+		i++;
+	}
+	return (count);
+}
+
+char* replace_ampercent(char *src)
+{
+	int		i;
+	int		j;
+	int		amp_count;
+	char	*out;
+
+	i = -1;
+	j = 0;
+	amp_count = get_amp_count(src);
+	out = malloc(ft_strlen(src) + amp_count * 4);
+	while (src[++i])
+	{
+		if (src[i] == '&')
+		{
+			out[j] = '&';
+			out[j + 1] = 'a';
+			out[j + 2] = 'm';
+			out[j + 3] = 'p';
+			out[j + 4] = ';';
+			j += 5;
+		}
+		else
+			out[j++] = src[i];
+	}
+	out[j] = 0;
+	return (out);
+}
+
+void gen_dio_linked_list(t_node *head, char *fp)
+{
+	int fd;
+	t_dio_elem rect;
+	t_dio_elem arrow;
+	t_node *current;
+
+	current = head;
+	fd = drawio_init(fp);
+	rect.type = RECT;
+	rect.rounded = 0;
+	rect.x = 50;
+	rect.y = 50;
+	rect.w = 100;
+	rect.h = 50;
+	arrow.id_src = 0;
+	arrow.type = ARROW;
+	while (current != NULL)
+	{
+		rect.text = ft_sprintf("|||%s|||", current->val);
+		rect.text = replace_ampercent(rect.text);
+		arrow.id_dst = drawio_create_elem(fd, &rect);
+		drawio_create_elem(fd, &arrow);
+		arrow.id_src = arrow.id_dst;
+		rect.x += 150;
+		free(rect.text);
+		current = current->next;
+	}
+	drawio_end_file(fd);
+}
diff --git a/tests/parsing.h b/tests/parsing.h
new file mode 100644
index 0000000..f6c207d
--- /dev/null
+++ b/tests/parsing.h
@@ -0,0 +1,21 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parsing.h                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: nalebrun <nalebrun@student.s19.be>        +#+  +:+       +#+         */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/01/24 14:45:28 by nalebrun          #+#    #+#             */
+/*   Updated: 2025/01/24 14:45:28 by nalebrun         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef PARSING_H
+# define PARSING_H
+
+# include "tokenizer/tokenizer.h"
+
+// drawio
+void 	gen_dio_linked_list(t_node *head, char *fp);
+
+#endif
diff --git a/tests/test.c b/tests/test.c
index 7441d7a..ad33661 100644
--- a/tests/test.c
+++ b/tests/test.c
@@ -10,7 +10,7 @@
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "tokenizer/tokenizer.h"
+#include "parsing.h"
 /*#include "../includes/env.h"*/
 
 void	truncate_comment(char *str)
@@ -37,36 +37,6 @@ void	truncate_comment(char *str)
 	}
 }
 
-void gen_dio_linked_list(t_node *head, char *fp)
-{
-	int fd;
-	t_dio_elem rect;
-	t_dio_elem arrow;
-	t_node *current;
-
-	current = head;
-	fd = drawio_init(fp);
-	rect.type = RECT;
-	rect.rounded = 0;
-	rect.x = 50;
-	rect.y = 50;
-	rect.w = 100;
-	rect.h = 50;
-	arrow.id_src = 0;
-	arrow.type = ARROW;
-	while (current != NULL)
-	{
-		rect.text = ft_sprintf("%s", current->val);
-		arrow.id_dst = drawio_create_elem(fd, &rect);
-		drawio_create_elem(fd, &arrow);
-		arrow.id_src = arrow.id_dst;
-		rect.x += 150;
-		free(rect.text);
-		current = current->next;
-	}
-	drawio_end_file(fd);
-}
-
 /*static t_data	*init_data(char **envp)*/
 /*{*/
 /*	t_data	*data;*/
@@ -96,7 +66,7 @@ int	main(int ac, char **av, char **envp)
 	lst = tokenize(av[2]);
 	if (!lst)
 		return (1);
-	debug_linked_list(lst, "Tokenized");
 	gen_dio_linked_list(lst, av[1]);
+	debug_linked_list(lst, "ff");
 	free_linked_list(lst);
 }