/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   e_line.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:19:27 by rbousset          #+#    #+#             */
/*   Updated: 2020/02/14 17:19:29 by rbousset         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <libft.h>
#include <stdint.h>
#include <unistd.h>

#include "e_builtins.h"
#include "e_externs.h"
#include "e_pipes.h"
#include "s_lpipes.h"
#include "s_com.h"
#include "s_struct.h"

static uint8_t
	get_builtin_id(const char bin[],
					t_msh *msh)
{
	uint8_t	i;

	i = 0;
	while (msh->bu_ref[i] != NULL && ft_strncmp(bin, msh->bu_ref[i],
		ft_strlen(msh->bu_ref[i]) + 1) != 0)
	{
		i++;
	}
	return (i);
}

static void
	e_line_destroy(t_line *ptr)
{
	if (ptr->pipes != NULL)
	{
		lpipes_clear(&ptr->pipes);
	}
}

void
	e_line(t_msh *msh)
{
	t_line	*ptr;
	uint8_t	bu_id;
	uint8_t	previf;

	previf = 0;
	ptr = msh->curr;
	while (ptr != NULL)
	{
		if ((previf == 0) || (previf == 1 && msh->ret == 0) ||
			(previf == 2 && msh->ret != 0))
		{
			if (ptr->pipes != NULL)
				e_pipes(ptr, msh);
			else if (ptr->com != NULL)
			{
				if (ptr->com->bin != NULL &&
					(bu_id = get_builtin_id(ptr->com->bin, msh))
					< FT_BUILTINS_COUNT)
					e_builtin(ptr->com, bu_id, msh);
				else if (ptr->com->bin != NULL)
					e_extern(ptr->com, msh);
			}
		}
		else
			e_line_destroy(ptr);
		previf = ptr->nextif;
		ptr = ptr->next;
	}
}