tokenizer v2

tests/tokenizer/copy_token_string.c

@@ -0,0 +1,93 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   copy_token_string.c                                :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: nalebrun <nalebrun@student.s19.be>        +#+  +:+       +#+         */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/01/16 12:48:50  by nalebrun         #+#    #+#             */
+/*   Updated: 2025/01/16 12:48:50  by nalebrun        ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "tokenizer.h" 
+
+int	is_meta_token(char c)
+{
+	if (c == '&' || c == '|'
+		|| c == '(' || c == ')'
+		|| c == '>' || c == '<')
+		return (1);
+	return (0);
+}
+
+int	skip_meta_token(char *str)
+{
+	int	i;
+
+	i = 0;
+	if ((str[i] == '&')
+		|| (str[i] == '|' && str[i + 1] && str[i + 1] == '|')
+		|| (str[i] == '<' && str[i + 1] && str[i + 1] == '<')
+		|| (str[i] == '>' && str[i + 1] && str[i + 1] == '>'))
+		i = 2;
+	else
+		i = 1;
+	return (i);
+}
+
+int	go_to_next_meta_token(char *str)
+{
+	int	i;
+
+	i = 0;
+	while (str [i]
+		&& str[i] != '&'
+		&& str[i] != '|'
+		&& str[i] != '('
+		&& str[i] != ')'
+		&& str[i] != '<'
+		&& str[i] != '>')
+		i++;
+	return (i);
+}
+
+static int	go_to_second_next_space_block(char *str)
+{
+	int	i;
+
+	i = 0;
+	while (str[i] && str[i] == ' ')
+		i++;
+	while (str[i] && str[i] != ' ')
+		i++;
+	return (i);
+}
+
+char	*copy_token_string(char *str, char last_token)
+{
+	char	*out;
+	char	*trimed_out;
+	int		i;
+	int		j;
+
+	i = 0;
+	while (str[i] && str[i] == ' ')
+		i++;
+	if (is_meta_token(str[i]))
+		i += skip_meta_token(&str[i]);
+	else if (last_token != '<' && last_token != '>')
+		i += go_to_next_meta_token(&str[i]);
+	else
+		i += go_to_second_next_space_block(&str[i]);
+	out = malloc(i + 1);
+	if (!out)
+		return (NULL);
+	j = -1;
+	while (++j < i)
+		out[j] = str[j];
+	out[j] = 0;
+	trimed_out = ft_strtrim(out, " ");
+	free(out);
+	return (trimed_out);
+}