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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   b_sqb.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 <unistd.h>

#include "b_sqb_err.h"
#include "b_sqb_file.h"
#include "b_sqb_nbr.h"
#include "b_sqb_str.h"
#include "d_define.h"
#include "s_struct.h"
#include "u_utils.h"

static unsigned char	b_get_sqb_id(char *argv[], t_msh *msh)
{
	unsigned char	i;

	i = 0;
	while (i < B_ID_SQB_COUNT)
	{
		if (i < B_ID_SQB_NT &&
			ft_strncmp(argv[0],
				msh->sqb_ref[i],
				ft_strlen(msh->sqb_ref[i]) + 1) == 0)
			return (i);
		if (i >= B_ID_SQB_NT &&
			ft_strncmp(argv[1],
				msh->sqb_ref[i],
				ft_strlen(msh->sqb_ref[i]) + 1) == 0)
			return (i);
		i++;
	}
	return (i);
}

static unsigned char	b_eval_sqb(char *argv[], t_msh *msh)
{
	unsigned char	id;
	unsigned char	ret;

	id = b_get_sqb_id(argv, msh);
	if (id == B_ID_SQB_COUNT)
	{
		ft_dprintf(STDERR_FILENO, "[: %s: unexpected operator\n", argv[0]);
		return (2);
	}
	if (b_sqb_err_check(id, argv) != 0)
		return (2);
	ret = 0;
	if (id < B_ID_SQB_NT && id != B_ID_SQB_Z && id != B_ID_SQB_N)
		ret = b_sqb_file_tests(id, argv);
	else if (id == B_ID_SQB_NT || id == B_ID_SQB_OT)
		ret = b_sqb_double_file_tests(id, argv);
	else if (id == B_ID_SQB_N || id == B_ID_SQB_Z ||
		id == B_ID_SQB_EQUA || id == B_ID_SQB_DIFF)
		ret = b_sqb_str(id, argv);
	else if (id >= B_ID_SQB_EQ)
		ret = b_sqb_nbr(id, argv);
	return (ret);
}

unsigned char			b_sqb(char *args[], t_msh *msh)
{
	const unsigned long	argc = u_builtins_get_argc((const char**)args);

	if (ft_strncmp(args[argc - 1], "]", 2) != 0)
	{
		ft_dprintf(STDERR_FILENO, "[: missing ]\n");
		return (2);
	}
	if (argc == 1)
	{
		return (1);
	}
	else if (argc == 2)
	{
		return (0);
	}
	return (b_eval_sqb(args, msh));
}