norm

2025-02-12 10:10:29 +01:00
parent ced584b17a
commit adc59eb33b
20 changed files with 822 additions and 662 deletions
--- a/srcs/execution/exec_heredoc.c
+++ b/srcs/execution/exec_heredoc.c
@@ -0,0 +1,138 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   exec_heredoc.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lderidde <lderidde@student.s19.be>        +#+  +:+       +#+         */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/02/12 09:53:26 by lderidde          #+#    #+#             */
+/*   Updated: 2025/02/12 09:53:26 by lderidde         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../../includes/exec/exec.h"
+
+void	expander_here(char **str, t_ast_n *node)
+{
+	char	*new;
+	int		i;
+	int		j;
+	int		len;
+
+	i = -1;
+	len = get_dup_len(*str, node);
+	new = ft_calloc(len + 1, sizeof(char));
+	if (!new)
+		return ;
+	j = 0;
+	while ((*str)[j] && ++i < len)
+	{
+		if ((*str)[j] != '$')
+			new[i] = (*str)[j++];
+		else if ((*str)[j] == '$' && execvalid_next((*str)[j + 1]))
+		{
+			ft_strlcat(new, execextract_env(&((*str)[j]), node->msh->env), -1);
+			i = ft_strlen(new) - 1;
+			while ((*str)[++j] && execis_validchar((*str)[j]))
+				continue ;
+		}
+	}
+	ft_free(str);
+	*str = new;
+}
+
+void	here_remove_quote(t_ast_n *node, int j, char c)
+{
+	char	*new;
+	int		i;
+	int		k;
+	int		len;
+
+	i = 0;
+	k = 0;
+	len = ft_strlen(node->files[j]);
+	new = ft_calloc(len - 1, sizeof(char));
+	while (i < len - 2)
+	{
+		if ((&(node->files[j][k]) == ft_strchr(node->files[j], c)) ||
+			(&(node->files[j][k]) == ft_strrchr(node->files[j], c)))
+		{
+			k++;
+		}
+		else
+			new[i++] = node->files[j][k++];
+	}
+	ft_free(&node->files[j]);
+	node->files[j] = new;
+}
+
+int	ifhere_remove_quote(t_ast_n *node, int j)
+{
+	char	c;
+	int		ret;
+
+	ret = 0;
+	if (!ft_strchr(node->files[j], '\'') && !ft_strchr(node->files[j], '\"'))
+		c = 0;
+	else if (!ft_strchr(node->files[j], '\"'))
+		c = '\'';
+	else if (!ft_strchr(node->files[j], '\''))
+		c = '\"';
+	else if (ft_strchr(node->files[j], '\'') < ft_strchr(node->files[j], '\"'))
+		c = '\'';
+	else
+		c = '\"';
+	if (c && (ft_strchr(node->files[j], c) != ft_strrchr(node->files[j], c)))
+		here_remove_quote(node, j, c);
+	if (c)
+		ret = 1;
+	return (ret);
+}
+
+void	read_input(t_ast_n *node, int j)
+{
+	char	*str;
+	int		len;
+	int		check;
+
+	check = ifhere_remove_quote(node, j);
+	len = ft_strlen(node->files[j]);
+	str = get_next_line(node->msh->here_fd, 0);
+	while (str && ft_strncmp(str, node->files[j], len) != 0)
+	{
+		if (!check)
+			expander_here(&str, node);
+		write(1, str, ft_strlen(str));
+		ft_free(&str);
+		str = get_next_line(node->msh->here_fd, 0);
+	}
+	if (!str)
+		get_next_line(node->msh->here_fd, 1);
+	ft_free(&str);
+}
+
+void	here_doc(t_ast_n *node, int i)
+{
+	pid_t	pid;
+
+	pipe(node->fds);
+	pid = fork();
+	if (pid == 0)
+	{
+		dup2(node->fds[1], STDOUT_FILENO);
+		close(node->fds[0]);
+		close(node->fds[1]);
+		read_input(node, i);
+		free_child(node->msh);
+		exit(EXIT_SUCCESS);
+	}
+	else if (pid > 0)
+	{
+		close(node->fds[1]);
+		dup2(node->fds[0], STDIN_FILENO);
+		close(node->fds[0]);
+		waitpid(pid, NULL, 0);
+	}
+	else if (pid < 0)
+		exit (err_msg_cmd("fork", NULL, "failed to fork", 1));
+}