/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   parsing.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/10/24 10:52:40 by lperrey           #+#    #+#             */
/*   Updated: 2021/11/07 04:37:30 by lperrey          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

// HUGO WIP
void	handle_argv(t_token *token, t_cmd **cmd, size_t cmd_nbr);
void	handle_path(t_cmd **cmd_arr, char **envp);
void	handle_fd(t_token *token, t_cmd **cmd_arr);
void	fd_heredoc(t_token *token, t_cmd *cmd);
void	fd_redirection(t_token *token, t_cmd *cmd);
void	find_path(char **argv, char **envp);
int		handle_builtin(t_cmd *cmd);
int		fill_builtin(t_cmd *cmd, int (*builtin)(int, char **, t_all *));
int		next_cmd(t_token *token);
int		is_redirection(enum e_token_id id);
// HUGO WIP

t_cmd	**parsing(t_token *token_list)
{
	t_cmd	**cmd_arr;

	if (!valid_syntax(token_list))
		return (NULL);
	// Struct CMD alloc
	cmd_arr = alloc_cmd_array(count_pipes(token_list) + 1);
	if (!cmd_arr)
		return (NULL);

	// 2.9.1 - 2) Expansion
	words_expansions(token_list);

	// 2.9.1 - 3) Redirection
	
	// Struct CMD fill


	// HUGO WIP
//	cmd_expansion(cmd_arr, envp);
//	handle_argv(token_list, cmd_arr, cmd_nbr);
//	handle_path(cmd_arr, envp);
//	handle_fd(token_list, cmd_arr);
	return (cmd_arr);
}

/* -------------------------------------------------------
   The grammar symbols
   ------------------------------------------------------- */
/*
%token  WORD
%token  LESS // '<'
%token  GREAT // '>'
%token  DLESS // '<<'
%token  DGREAT // '>>'
%token  PIPE // '|'
*/

/* -------------------------------------------------------
   The Simplified Grammar
   ------------------------------------------------------- */
/*
%start program
%%
pipeline         :                   command
                 | pipeline      '|' command
                 ;
command          : cmd_prefix cmd_name cmd_suffix
                 | cmd_prefix cmd_name
                 | cmd_name cmd_suffix
                 | cmd_name
                 ;
cmd_name         : WORD                   // Apply rule 7a
                 ;
cmd_prefix       :            io_redirect
                 | cmd_prefix io_redirect
                 ;
cmd_suffix       :            io_redirect
                 | cmd_suffix io_redirect
                 |            WORD
                 | cmd_suffix WORD
                 ;
io_redirect      :           io_file
                 |           io_here
                 ;
io_file          : '<'       filename
                 | '>'       filename
                 | DGREAT    filename
                 ;
filename         : WORD                      // Apply rule 2
                 ;
io_here          : DLESS     here_end
                 ;
here_end         : WORD                      // Apply rule 3
                 ;
*/