/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   syntax.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: nalebrun <nalebrun@student.s19.be>        +#+  +:+       +#+         */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/02/07 12:08:53 by nalebrun          #+#    #+#             */
/*   Updated: 2025/02/07 12:08:53 by nalebrun         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "../../includes/parser/parsing.h"

int only_operator(t_node *head)
{
	if (!head->next && head->token == OPERATOR)
		return (1);
	return (0);
}

int syntax_err_mess(char *token)
{
	ft_fprintf(2, "minishell : syntax error near unexpected token `%s'\n", token);
	return (1);
}

int unexpected_token(t_node *node)
{
	if (!ft_strncmp(node->val, "%", 1)
		|| (!ft_strncmp(node->val, "&", 1) && ft_strncmp(node->val, "&&", 2))
		|| !ft_strncmp(node->val, ";", 1)
		|| !ft_strncmp(node->val, "[", 1) || !ft_strncmp(node->val, "]", 1)
		|| !ft_strncmp(node->val, "{", 1) || !ft_strncmp(node->val, "}", 1)
		)
		return (1);
	return (0);
}

int syntax_error(t_node *head)
{
	t_node *cpy;

	if (only_operator(head))
		return(syntax_err_mess(head->val));
	cpy = head;
	while (cpy)
	{
		if (unexpected_token(cpy))
			return (syntax_err_mess(cpy->val));
		cpy = cpy->next;
	}
	
	return (0);
}