/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   u_utils.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 <stdlib.h>
#include <unistd.h>

#include "d_define.h"
#include "f_fail.h"
#include "s_struct.h"

t_bool			u_is_not_escaped(const char *head, const char *ptr)
{
	if (((ptr - head) == 0) ||
		((ptr - head) >= 1 && *(ptr - 1) != C_BACKS) ||
		((ptr - head) > 1 && *(ptr - 1) == C_BACKS && *(ptr - 2) == C_BACKS))
		return (TRUE);
	return (FALSE);
}

void			u_eof_fd(int fd)
{
	char	*line;

	close(fd);
	get_next_line(fd, &line);
	ft_memdel((void*)&line);
}

char			**u_get_env_var_names(t_msh *msh)
{
	char	**vars;
	size_t	i;

	i = 0;
	while (msh->envp[i] != NULL)
		i++;
	if ((vars = (char**)malloc((i + 1) * sizeof(char*))) == NULL)
		f_alloc_and_destroy_msh(msh);
	i = 0;
	while (msh->envp[i] != NULL)
	{
		if ((vars[i] =
			(char*)malloc((ft_strclen(msh->envp[i], '=') + 1)
			* sizeof(char))) == NULL)
			f_alloc_and_destroy_msh(msh);
		ft_strlcpy(vars[i], msh->envp[i], ft_strclen(msh->envp[i], '=') + 1);
		i++;
	}
	vars[i] = NULL;
	return (vars);
}

unsigned long	u_builtins_get_argc(const char *args[])
{
	unsigned long	argc;

	argc = 0;
	while (args[argc] != NULL)
	{
		argc++;
	}
	return (argc);
}

unsigned char	u_get_builtin_id(const char bin[])
{
	char			tmp[M_BUILTINS_REF_LEN];
	char			*tok;
	unsigned char	i;

	i = 0;
	ft_strlcpy(tmp, M_BUILTINS_REF, M_BUILTINS_REF_LEN);
	tok = ft_strtok(tmp, ":");
	while (tok != NULL && ft_strncmp(bin, tok, ft_strlen(tok) + 1) != 0)
	{
		tok = ft_strtok(NULL, ":");
		i++;
	}
	return (i);
}