split

ft_split.c

@@ -0,0 +1,111 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_split.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lderidde <lderidde@student.s19.be>         +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/17 12:48:12 by lderidde          #+#    #+#             */
+/*   Updated: 2024/07/25 14:13:12 by lderidde         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdlib.h>
+
+int	check_sep(char c, char *charset)
+{
+	while (*charset)
+	{
+		if (c == *charset)
+			return (1);
+		charset++;
+	}
+	return (0);
+}
+
+int	count_strings(char *str, char *charset)
+{
+	int	i;
+	int	count;
+
+	i = 0;
+	count = 0;
+	while (str[i])
+	{
+		if (!(check_sep(str[i], charset))
+			&& (check_sep(str[i + 1], charset)
+				|| str[i + 1] == '\0'))
+			count++;
+		i++;
+	}
+	return (count);
+}
+
+void	build_str(char *charset, char *src, char *dest)
+{
+	int	i;
+
+	i = 0;
+	while (src[i] && !(check_sep(src[i], charset)))
+	{
+		dest[i] = src[i];
+		i++;
+	}
+	dest[i] = '\0';
+}
+
+void	build_tab(char **tab, char *str, char *charset)
+{
+	int	i;
+	int	count;
+	int	j;
+
+	i = 0;
+	count = 0;
+	while (str[i])
+	{
+		if (check_sep(str[i], charset))
+			i++;
+		else
+		{
+			j = 0;
+			while (!(check_sep(str[j + i], charset)) && str[j + i])
+				j++;
+			tab[count] = malloc(sizeof(char) * (j + 1));
+			build_str(charset, &str[i], tab[count]);
+			count++;
+			i = i + j;
+		}
+	}
+}
+
+char	**ft_split(char *str, char *charset)
+{
+	int		count;
+	char	**tab;
+
+	count = count_strings(str, charset);
+	tab = malloc(sizeof(char *) * (count + 1));
+	if (tab == NULL)
+		return (NULL);
+	tab[count] = 0;
+	build_tab(tab, str, charset);
+	return (tab);
+}
+/*
+#include <stdio.h>
+int main (int argc, char **argv)
+{
+	int	i = 0;
+	(void)argc;
+	char **res = ft_split(argv[1], argv[2]);
+	int len = count_strings(argv[1], argv[2]);
+	while (i < len)
+	{
+		printf("%s\n", res[i]);
+		free(res[i]);
+		i++;
+	}
+	free(res);
+}
+*/