check_last_map.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   check_last_map.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kamitsui <kamitsui@student.42tokyo.jp>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/12/17 19:20:57 by kamitsui          #+#    #+#             */
/*   Updated: 2024/12/18 02:12:23 by kamitsui         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "cub3d.h"
 
static bool is_map_line(const char *str)
{
    const char  *identifier = " 10NWES";
    size_t      i;
    size_t      len;
 
    if (*str == '\n')
        return (false);
    len = ft_strlen(identifier);
    while (*str != '\n' && *str != '\0')
    {
        i = 0;
        while (i < len)
        {
            if (ft_strncmp(str, identifier + i, (size_t)1) == 0)
                break ;
            i++;
        }
        if (i == len)
            return (false);
        str++;
    }
    return (true);
}
 
static int  check_continue_of_map(bool is_map_line, const char *line)
{
    if (is_map_line == true && *line != '\n')
    {
        ft_eprintf("%s%s\nNG line: [", ERR_PROMPT, EMSG_MAP_CHAR);
        print_until_ch(STDOUT_FILENO, line, '\n');
        ft_eprintf("]\n");
        return (EXIT_FAILURE);
    }
    if (is_map_line == false && *line != '\n')
    {
        ft_eprintf("%s%s\n", ERR_PROMPT, EMSG_MAP_NOT_LAST);
        return (EXIT_FAILURE);
    }
    return (EXIT_SUCCESS);
}
 
int check_last_map(const char *line, t_parse *parse)
{
    bool    is_find_map;
 
    while (line != NULL)
    {
        is_find_map = false;
        while (is_map_line(line) == true)
        {
            is_find_map = true;
            line = find_next_line(line);
            if (line == NULL)
                return (EXIT_SUCCESS);
        }
        if (check_continue_of_map(is_find_map, line) != EXIT_SUCCESS)
            return (EXIT_FAILURE);
        line = find_next_line(line);
    }
    (void)parse;
    return (EXIT_SUCCESS);
}