redirection parsing: parse redirections for cmdgroup

src/minishell.c

@@ -6,7 +6,7 @@
 /*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/02/06 13:44:06 by kcolin            #+#    #+#             */
-/*   Updated: 2025/03/19 16:30:32 by khais            ###   ########.fr       */
+/*   Updated: 2025/03/19 16:38:42 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,6 +15,7 @@
 #include "parser/cmdgroup/cmdgroup.h"
 #include "parser/wordlist/wordlist.h"
 #include "parser/wordsplit/wordsplit.h"
+#include "postprocess/redirections/redirection_parsing.h"
 #include <stdlib.h>
 
 /*
@@ -34,6 +35,9 @@ static t_cmdgroup	*parse_command(char *line)
 	return (cmd);
 }
 
+/*
+** debug-print a cmdgroup
+*/
 static void	debug_command(t_cmdgroup *cmd)
 {
 	t_buffer	*indent;
@@ -44,6 +48,19 @@ static void	debug_command(t_cmdgroup *cmd)
 	cmdgroup_destroy(cmd);
 }
 
+/*
+** Do all the post-processing steps relating to a command.
+**
+** Currently, this is the following:
+** 1. redirection parsing
+*/
+static t_cmdgroup	*post_process_command(t_cmdgroup *cmd)
+{
+	if (cmdgroup_parse_redirections(cmd) == NULL)
+		return (cmdgroup_destroy(cmd), NULL);
+	return (cmd);
+}
+
 int	main(int argc, char *argv[], char **envp)
 {
 	char		*line;
@@ -56,6 +73,7 @@ int	main(int argc, char *argv[], char **envp)
 	while (line != NULL)
 	{
 		cmd = parse_command(line);
+		cmd = post_process_command(cmd);
 		debug_command(cmd);
 		line = get_command();
 	}

src/postprocess/redirections/cmdgroup_redirection_parsing.c

@@ -0,0 +1,83 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   cmdgroup_redirection_parsing.c                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/03/19 16:37:09 by khais             #+#    #+#             */
+/*   Updated: 2025/03/19 18:40:04 by khais            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "redirection_parsing.h"
+#include "../../parser/cmdlist/cmdlist_item.h"
+
+static t_pipeline	*pipeline_parse_redirections(t_pipeline *pipeline)
+{
+	int	i;
+
+	if (pipeline == NULL)
+		return (NULL);
+	i = 0;
+	while (i < pipeline->num_cmd)
+	{
+		if (parse_redirections(pipeline->cmds[i]) == NULL)
+			return (NULL);
+		i++;
+	}
+	return (pipeline);
+}
+
+static t_cmdlist_item	*cmdlist_item_parse_redirections(t_cmdlist_item *item)
+{
+	if (item == NULL)
+		return (NULL);
+	if (item->type == TYPE_PIPELINE)
+	{
+		if (pipeline_parse_redirections(item->inner.pipeline) == NULL)
+			return (NULL);
+	}
+	if (item->type == TYPE_CMDGROUP)
+	{
+		if (cmdgroup_parse_redirections(item->inner.cmdgroup) == NULL)
+			return (NULL);
+	}
+	return (item);
+}
+
+/*
+** Iterate over all simple_cmd contained withing this cmdlist, and do
+** redirection parsing on them.
+*/
+static t_cmdlist	*cmdlist_parse_redirections(t_cmdlist *cmd)
+{
+	int	i;
+
+	if (cmd == NULL)
+		return (NULL);
+	i = 0;
+	while (i < cmd->num_cmds)
+	{
+		if (cmdlist_item_parse_redirections(cmd->cmds[i]) == NULL)
+			return (NULL);
+		i++;
+	}
+	return (cmd);
+}
+
+/*
+** Iterate over all simple_cmd contained within this cmdgroup, and do
+** redirection parsing on them.
+**
+** This DOES NOT parse redirections that are applied to a whole cmdgroup. This
+** MUST be done by cmdgroup_from_wordlist.
+*/
+t_cmdgroup	*cmdgroup_parse_redirections(t_cmdgroup *cmd)
+{
+	if (cmd == NULL)
+		return (NULL);
+	if (cmdlist_parse_redirections(cmd->item) == NULL)
+		return (NULL);
+	return (cmd);
+}

src/postprocess/redirections/redirection_parsing.h

@@ -6,7 +6,7 @@
 /*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/03/07 11:59:31 by khais             #+#    #+#             */
-/*   Updated: 2025/03/07 14:38:30 by khais            ###   ########.fr       */
+/*   Updated: 2025/03/19 16:38:01 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,7 +14,9 @@
 # define REDIRECTION_PARSING_H
 
 # include "../../parser/simple_cmd/simple_cmd.h"
+# include "../../parser/cmdgroup/cmdgroup.h"
 
 t_simple_cmd	*parse_redirections(t_simple_cmd *cmd);
+t_cmdgroup		*cmdgroup_parse_redirections(t_cmdgroup *cmd);
 
 #endif // REDIRECTIONS_H