diff --git a/includes/parsing.h b/includes/parsing.h
new file mode 100644
index 0000000..9a24dc0
--- /dev/null
+++ b/includes/parsing.h
@@ -0,0 +1,44 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parsing.h                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apago <apago@student.42.fr>                +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/04/04 18:22:11 by apago             #+#    #+#             */
+/*   Updated: 2023/04/04 18:28:44 by apago            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef PARSING_H
+# define PARSING_H
+
+# include "fcntl.h"
+# include "stdio.h"
+# include "stdlib.h"
+# include "unistd.h"
+
+typedef struct Meta
+{
+	char	empty;
+	char	obstacle;
+	char	full;
+	int		height;
+	int		width;
+}			t_meta;
+
+typedef struct Map
+{
+	t_meta	meta;
+	char	*data;
+}			t_map;
+
+char		*read_file(int file);
+size_t		read_uint(char *str);
+int			parse_valid_uint(char *str, size_t len);
+int			read_char(char *str, char *dst);
+int			printable(char c);
+size_t		count_first_line(char *line);
+int			read_fname(char *name, t_map *map);
+
+#endif
\ No newline at end of file
diff --git a/srcs/io.c b/srcs/io.c
new file mode 100644
index 0000000..ddcfa03
--- /dev/null
+++ b/srcs/io.c
@@ -0,0 +1,73 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   io.c                                               :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apago <apago@student.42.fr>                +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/04/04 18:23:57 by apago             #+#    #+#             */
+/*   Updated: 2023/04/04 18:24:50 by apago            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "parsing.h"
+
+void	copy_bytes(char *dst, char *src, size_t bytes)
+{
+	size_t	i;
+
+	i = 0;
+	while (i < bytes)
+	{
+		dst[i] = src[i];
+		i++;
+	}
+}
+
+int	push_bytes(size_t n_read, char **res, size_t *offset, size_t *size)
+{
+	char	*new_res;
+
+	if (n_read <= 0)
+		return (n_read);
+	*offset += n_read;
+	if (*offset == *size)
+	{
+		new_res = malloc(*size * 2);
+		if (!new_res)
+			return (-1);
+		copy_bytes(new_res, *res, *size);
+		free(*res);
+		*res = new_res;
+		*size *= 2;
+	}
+	return (n_read);
+}
+
+char	*read_file(int file)
+{
+	size_t	size;
+	size_t	offset;
+	size_t	n_read;
+	char	*res;
+
+	offset = 0;
+	size = 1024;
+	res = malloc(size);
+	if (!res)
+		return (0);
+	while (1)
+	{
+		n_read = read(file, &res[offset], size - offset);
+		n_read = push_bytes(n_read, &res, &offset, &size);
+		if (!n_read)
+			break ;
+		if (n_read < 0)
+		{
+			free(res);
+			return (0);
+		}
+	}
+	res[offset] = 0;
+	return (res);
+}
diff --git a/srcs/parsing.c b/srcs/parsing.c
new file mode 100644
index 0000000..eaed3e8
--- /dev/null
+++ b/srcs/parsing.c
@@ -0,0 +1,123 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parsing.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apago <apago@student.42.fr>                +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/04/04 16:19:27 by apago             #+#    #+#             */
+/*   Updated: 2023/04/04 18:26:39 by apago            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "parsing.h"
+
+int	parse_meta(char *str, t_meta *meta)
+{
+	int	read_bytes;
+
+	read_bytes = read_uint(str);
+	meta->height = parse_valid_uint(str, read_bytes);
+	if (meta->height < 1)
+		return (0);
+	if (!read_char(&str[read_bytes++], &meta->empty))
+		return (0);
+	if (!read_char(&str[read_bytes++], &meta->obstacle))
+		return (0);
+	if (!read_char(&str[read_bytes++], &meta->full))
+		return (0);
+	if (!printable(meta->empty) || !printable(meta->obstacle)
+		|| !printable(meta->full))
+		return (0);
+	if ((meta->empty == meta->obstacle) || (meta->obstacle == meta->full))
+		return (0);
+	if (str[read_bytes++] != '\n')
+		return (0);
+	return (read_bytes);
+}
+
+size_t	parse_line(char *line, char *dst, t_meta *meta)
+{
+	int	i;
+
+	i = 0;
+	while (i < meta->width)
+	{
+		if (!line[i])
+			return (0);
+		if (line[i] == meta->empty)
+			dst[i] = '.';
+		else if (line[i] == meta->obstacle)
+			dst[i] = 'o';
+		else
+			return (0);
+		i++;
+	}
+	if (line[i] != '\n')
+		return (0);
+	return (meta->width + 1);
+}
+
+char	*parse_data(char *data, t_meta *meta)
+{
+	char	*res;
+	size_t	offset;
+	size_t	read_bytes;
+	int		i;
+
+	i = 0;
+	res = malloc(meta->width * meta->height * sizeof(char));
+	if (!res)
+		return (0);
+	while (i < meta->height)
+	{
+		read_bytes = parse_line(data, res, meta);
+		if (!read_bytes)
+		{
+			free(res);
+			return (0);
+		}
+		data += read_bytes;
+		i++;
+	}
+	if (!*data)
+		return (res);
+	free(res);
+	return (0);
+}
+
+int	parse_input(char *str, t_map *map)
+{
+	size_t	offset;
+	size_t	read_bytes;
+
+	read_bytes = parse_meta(str, &map->meta);
+	if (!read_bytes)
+		return (0);
+	offset = read_bytes;
+	map->meta.width = count_first_line(&str[offset]);
+	if (!map->meta.width)
+		return (0);
+	map->data = parse_data(&str[offset], &map->meta);
+	if (!map->data)
+		return (0);
+	return (1);
+}
+
+int	read_fname(char *name, t_map *map)
+{
+	int		file;
+	char	*text;
+	int		res;
+
+	file = open(name, O_RDONLY);
+	if (file == -1)
+		return (0);
+	text = read_file(file);
+	close(file);
+	if (!text)
+		return (0);
+	res = parse_input(text, map);
+	free(text);
+	return (res);
+}
diff --git a/srcs/parsing_simple.c b/srcs/parsing_simple.c
new file mode 100644
index 0000000..7eb21ca
--- /dev/null
+++ b/srcs/parsing_simple.c
@@ -0,0 +1,67 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parsing_simple.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: apago <apago@student.42.fr>                +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/04/04 18:25:47 by apago             #+#    #+#             */
+/*   Updated: 2023/04/04 18:28:51 by apago            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "parsing.h"
+
+size_t	read_uint(char *str)
+{
+	int	i;
+
+	i = 0;
+	while (*str >= '0' && *str <= '9')
+	{
+		str++;
+		i++;
+	}
+	return (i);
+}
+
+int	parse_valid_uint(char *str, size_t len)
+{
+	int	res;
+	int	i;
+
+	res = 0;
+	i = 0;
+	while (i < len)
+	{
+		res = res * 10 + str[i] - '0';
+		i++;
+	}
+	return (res);
+}
+
+int	read_char(char *str, char *dst)
+{
+	if (!*str)
+		return (0);
+	*dst = *str;
+	return (1);
+}
+
+int	printable(char c)
+{
+	return (c >= 32 && c <= 127);
+}
+
+size_t	count_first_line(char *line)
+{
+	size_t	cnt;
+
+	cnt = 0;
+	while (*line && *line != '\n')
+	{
+		line++;
+		cnt++;
+	}
+	return (cnt);
+}