miniRT/parser.c at master · fv99/miniRT · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   parser.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: fvonsovs <fvonsovs@student.42prague.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/02/22 09:48:04 by fvonsovs          #+#    #+#             */
/*   Updated: 2024/09/14 15:20:23 by fvonsovs         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minirt.h"

// free map later!
t_map	*parser(char *filename)
{
	t_map	*map;
	int		fd;
	char	*line;

	map = malloc_map();
	fd = open_file(filename);
	test_map(fd);
	close(fd);
	fd = open_file(filename);
	line = get_next_line(fd);
	while (line != NULL)
	{
		line = sanitize(line);
		parse_line(map, line);
		free(line);
		line = get_next_line(fd);
	}
	close(fd);
	return (map);
}

char	*sanitize(char *line)
{
	int		i;
	char	*str;

	i = -1;
	str = line;
	while (str && str[++i])
	{
		if (str[i] == '\t' || str[i] == '\n')
			str[i] = '\t';
	}
	line = ft_strtrim(str, "\t");
	free(str);
	return (line);
}

int	parse_line(t_map *map, char *line)
{
	if (ft_strncmp(line, "A", 1) == 0)
		return (parse_ambient(map, line));
	if (ft_strncmp(line, "C", 1) == 0)
		return (parse_camera(map, line));
	if (ft_strncmp(line, "L", 1) == 0)
		return (parse_light(map, line));
	if (ft_strncmp(line, "sp", 2) == 0)
		return (parse_sphere(map, line));
	if (ft_strncmp(line, "pl", 2) == 0)
		return (parse_plane(map, line));
	if (ft_strncmp(line, "cy", 2) == 0)
		return (parse_cylinder(map, line));
	return (0);
}

int	parse_float(char *str, float *num)
{
	if (!is_float(str))
		return (1);
	*num = str_to_float(str);
	return (0);
}

int	parse_ulong(char *str, size_t *num)
{
	if (!is_ulong(str))
		return (1);
	*num = (size_t)ft_atoi(str);
	return (0);
}