02 bonus WIP

02_b/parsing.c

@@ -0,0 +1,85 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parsing.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/12/05 13:52:40 by dgaillet          #+#    #+#             */
+/*   Updated: 2025/12/05 16:42:18 by dgaillet         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "aoc02.h"
+#include "get_next_char.h"
+
+static t_comb	*create_comb(void)
+{
+	t_comb	*comb;
+
+	comb = malloc(sizeof(t_comb));
+	if (!comb)
+		return (NULL);
+	comb->first = 0;
+	comb->second = 0;
+	comb->invalids = NULL;
+	comb->nb_invalid = 0;
+	comb->next = NULL;
+	return (comb);
+}
+
+static t_comb	*comb_add_back(t_comb **lst, t_comb *comb)
+{
+	t_comb	*temp;
+
+	if (!lst)
+		return (NULL);
+	temp = *lst;
+	if (!*lst)
+		*lst = comb;
+	else
+	{
+		while (temp->next)
+			temp = temp->next;
+		temp->next = comb;
+	}
+	return (*lst);
+}
+
+static t_comb	*get_next_comb(int fd)
+{
+	char	*str;
+	t_comb	*comb;
+	int		i = 0;
+
+	str = get_next_char(fd, ',');
+	if (!str)
+		return (NULL);
+	comb = create_comb();
+	if (!comb)
+		return (NULL);
+	comb->first = atoll(str);
+	while (str[i] && str[i] != '-')
+		i++;
+	if (str[i])
+		comb->second = atoll(&str[i + 1]);
+	else
+		return (free(comb), NULL);
+	return (comb);
+}
+
+t_comb	*ft_parsing(int fd)
+{
+	t_comb	*lst = NULL;
+	t_comb	*temp;
+
+	temp = get_next_comb(fd);
+	while (temp)
+	{
+		temp = comb_add_back(&lst, temp);
+		if (!temp)
+			return (NULL);
+		temp = get_next_comb(fd);
+	}
+	return (lst);
+}