「🏗️」 wip: __to_token nearly done

src/parsing/tokenizer/__to_token.c

@@ -0,0 +1,77 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   __to_token.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/05/20 21:05:04 by adjoly            #+#    #+#             */
+/*   Updated: 2024/05/23 20:12:03 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "tokenizer.h"
+
+t_redirection_sign	__to_redir_sign(char *redir_sign)
+{
+	if (redir_sign[0] == '<' && redir_sign[1] != '<')
+		return (INFILE);
+	else if (redir_sign[0] == '<' && redir_sign[1] == '<')
+		return (HEREDOC);
+	else if (redir_sign[0] == '>' && redir_sign[1] != '>')
+		return (OUT_APPEND);
+	else if (redir_sign[0] == '>' && redir_sign[1] != '>')
+		return (OUTFILE);
+	return (0);
+}
+
+t_redirection	*__to_redir(char	*redir_s)
+{
+	char			*tmp;
+	t_redirection	*redir;
+	char			*start_of_filename;
+	char			*filename;
+
+	redir = ft_calloc(sizeof(t_redirection), 1);
+	redir->sign = __to_redir_sign(redir_s);
+	tmp = redir_s;
+	if (!redir->sign)
+		return (NULL);
+	if (redir->sign % 2)
+		tmp++;
+	else
+		tmp += 2;
+	while (*tmp && *tmp != ' ')
+		tmp++;
+	start_of_filename = tmp;
+	while (*tmp && !ft_isalnum(*tmp))
+		tmp++;
+	filename = ft_calloc(tmp - start_of_filename + 1, sizeof(char));
+	ft_strlcpy(filename, start_of_filename, (tmp - start_of_filename));
+	redir->file_name = filename;
+	return (redir);
+}
+
+t_token	*__to_token(char *cmd)
+{
+	char			*tmp;
+	t_token			*token;
+	t_redirection	*tmp_redir;
+	char			*argv;
+
+	tmp = cmd;
+	argv = NULL;
+	token = ft_calloc(sizeof(t_token), 1);
+	while (*tmp)
+	{
+		if (*tmp == '<' || *tmp == '>')
+		{
+			tmp_redir = __to_redir(tmp);
+			ft_lstadd_back(&(token->redirection), ft_lstnew((void *)&tmp_redir));
+		}
+		else
+			ft_strjoin_free_s1(argv, &(*tmp));
+		tmp++;
+	}
+	return (token);
+}