core: rebuild of parsing and the execution

syntax/syntax.c

@@ -0,0 +1,114 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   syntatics.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/02/21 13:00:05 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/02/21 23:40:20 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../libftx/libftx.h"
+#include "../utils/utils.h"
+
+static int	ft_quote_verif(const char *str)
+{
+	if (ft_is_in_quote(str, ft_strlen(str)))
+	{
+		ft_eprintf("minishell: Quote is not closed\n");
+		return (1);
+	}
+	else
+		return (0);
+}
+
+static int	ft_pipe_is_alone(const char *str)
+{
+	size_t	i;
+	int		check;
+
+	check = 0;
+	i = 0;
+	while (str[i] != '\0')
+	{
+		while (str[i] == ' ')
+			i++;
+		while (ft_is_in_quote(str, i))
+			i++;
+		if (str[i] == '\0')
+			break ;
+		if (str[i] != '|')
+			check = 1;
+		else
+		{
+			if (check == 0)
+			{
+				ft_eprintf("minishell: Pipe must be followed and ");
+				ft_eprintf("preced by a command or redirection\n");
+				return (1);
+			}
+			check = 0;
+		}
+		i++;
+	}
+	if (check == 0)
+	{
+		ft_eprintf("minishell: Pipe must be followed and ");
+		ft_eprintf("preced by a command or redirection\n");
+	}
+	return (check == 0);
+}
+
+static int	ft_special_char_dub(const char *str)
+{
+	size_t	i;
+	size_t	y;
+
+	i = 0;
+	while (str[i] != '\0')
+	{
+		while (ft_is_in_quote(str, i))
+			i++;
+		if (ft_is_in("|<>", str[i]))
+		{
+			y = 0;
+			while (str[i] == str[i + y])
+				y++;
+			if ((y > 2 && (str[i] == '>' || str[i] == '<'))
+				|| (y > 1 && str[i] == '|'))
+			{
+				ft_eprintf("minishell: too many %s in a row\n", str);
+				return (1);
+			}
+			i = i + y;
+		}
+		else
+			i++;
+	}
+	return (0);
+}
+
+static int	ft_empty_verif(const char *str)
+{
+	size_t	i;
+
+	i = 0;
+	while (str[i] == ' ')
+		i++;
+	return (str[i] == '\0');
+}
+
+int	ft_syntax_verif(t_data *data, const char *str)
+{
+	if (ft_quote_verif(str)
+		|| ft_empty_verif(str)
+		|| ft_pipe_is_alone(str)
+		|| ft_special_char_dub(str))
+	{
+		data->exit_code = 2;
+		return (1);
+	}
+	return (0);
+}

syntax/syntax.h

@@ -0,0 +1,7 @@
+#ifndef SYNTAX_H
+# define SYNTAX_H
+# include "../data/data.h"
+
+int	ft_syntax_verif(t_data *data, const char *str);
+
+#endif