From 5ab0c197cebef701b3a7a5310b9f185369108a5b Mon Sep 17 00:00:00 2001
From: tomoron <tomoron@student.42angouleme.fr>
Date: Mon, 15 Apr 2024 18:55:52 +0200
Subject: [PATCH] wildcards

---
 Makefile         |  3 ++-
 srcs/minishell.h |  4 +++-
 srcs/parsing.c   |  4 ++--
 srcs/wildcards.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 69 insertions(+), 4 deletions(-)
 create mode 100644 srcs/wildcards.c

diff --git a/Makefile b/Makefile
index a83daed..24cc128 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2023/07/28 00:35:01 by tomoron           #+#    #+#              #
-#    Updated: 2024/04/13 12:56:12 by tomoron          ###   ########.fr        #
+#    Updated: 2024/04/15 16:41:54 by tomoron          ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -32,6 +32,7 @@ SRCS_RAW =	main.c\
 			input_redirections.c\
 			output_redirections.c\
 			builtins.c\
+			wildcards.c\
 			commands.c\
 			pipe.c\
 			utils.c\
diff --git a/srcs/minishell.h b/srcs/minishell.h
index a69bfb9..b631a5a 100755
--- a/srcs/minishell.h
+++ b/srcs/minishell.h
@@ -6,7 +6,7 @@
 /*   By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/02/04 17:31:38 by tomoron           #+#    #+#             */
-/*   Updated: 2024/04/13 13:31:40 by babonnet         ###   ########.fr       */
+/*   Updated: 2024/04/15 16:42:28 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -24,6 +24,7 @@
 # include <signal.h>
 # include <stdint.h>
 # include <termios.h>
+# include <dirent.h>
 
 typedef enum e_cmd_type
 {
@@ -100,6 +101,7 @@ t_token	*parsing_syntax_error(t_token *res);
 t_cmd	*parsing_bonus(char *cmd);
 int		file_access(t_msh *msh, int *found);
 void	remove_command_from_msh(t_msh *msh);
+t_token	*expand_wildcards(t_token *res, char *value);
 void	ft_exit(t_msh *msh, int error_code);
 void	signal_handler_command(int signum);
 void	ft_exit(t_msh *msh, int exit_code);
diff --git a/srcs/parsing.c b/srcs/parsing.c
index 78096c1..7d17cf1 100755
--- a/srcs/parsing.c
+++ b/srcs/parsing.c
@@ -6,7 +6,7 @@
 /*   By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/02/09 15:26:01 by tomoron           #+#    #+#             */
-/*   Updated: 2024/04/02 00:42:36 by tomoron          ###   ########.fr       */
+/*   Updated: 2024/04/15 15:56:17 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 #include "minishell.h"
@@ -73,7 +73,7 @@ t_token	*parse_command(char *command, t_env *env)
 		value = get_token(&command, &in_quote, &in_dquote, env);
 		if (!value)
 			return (free_token(res));
-		res = token_add_back(res, value);
+		res = expand_wildcards(res, value);
 		while (ft_isspace(*command))
 			command++;
 	}
diff --git a/srcs/wildcards.c b/srcs/wildcards.c
new file mode 100644
index 0000000..2062cb4
--- /dev/null
+++ b/srcs/wildcards.c
@@ -0,0 +1,62 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   wildcards.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <marvin@42.fr>                     +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/04/15 12:53:29 by tomoron           #+#    #+#             */
+/*   Updated: 2024/04/15 18:54:15 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+#include "minishell.h"
+
+int		filename_corresponds(char *wildcard, char *value)
+{
+	if(*value == '.' && *wildcard != '.')
+		return(0);
+	while(*wildcard && *value && (*wildcard == '*' || *wildcard == *value))
+	{
+		if(*wildcard == '*')
+		{
+			while(*wildcard && *value && *value != wildcard[1])
+				value++;
+			wildcard++;
+		}
+		while(*wildcard && *value && *value == *wildcard && *wildcard != '*')
+		{
+			wildcard++;
+			value++;
+		}
+	}
+	return(!*wildcard);
+}
+
+t_token	*expand_wildcards(t_token *res, char *value)
+{
+	DIR *dir;
+	char *cwd;
+	struct dirent *content;
+
+	if(!ft_strchr(value, '*'))
+		return(token_add_back(res, value));
+	cwd = getcwd(NULL, 100000);
+	if(!cwd)
+		return(token_add_back(res, value));
+	dir = opendir(cwd);
+	free(cwd);
+	if(!dir)
+		return(token_add_back(res, value));
+	content = readdir(dir);
+	while(content)
+	{
+		if(filename_corresponds(value, content->d_name))
+			res = token_add_back(res,ft_strdup(content->d_name));
+		content = readdir(dir);
+	}
+	closedir(dir);
+	if(!res)
+		return(token_add_back(res, value));
+	free(value);
+	return(res);
+}