miniRT/parse_general.c at master · StefdeRijk/miniRT · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   parse_general.c                                    :+:    :+:            */
/*                                                     +:+                    */
/*   By: dnoom <marvin@codam.nl>                      +#+                     */
/*                                                   +#+                      */
/*   Created: 2022/04/06 11:25:33 by dnoom         #+#    #+#                 */
/*   Updated: 2022/04/06 11:25:33 by dnoom         ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */

#include "miniRT.h"

char	line_next(t_parse_line *line)
{
	line->i++;
	return (line->line[line->i]);
}

void	skip_one_char(t_parse_line *line, char c)
{
	if (line->line[line->i] != c)
	{
		printf("Expected '%c' (as number: %d) at line %d, \
		column %d, found '%c' (as number: %d) \n", \
		c, c, line->line_nr, line->i + 1, \
			line->line[line->i], line->line[line->i]);
		error("Parse error");
	}
	line->i++;
}

void	skip_zero_or_more_char(t_parse_line *line, char c)
{
	while (line->line[line->i] == c)
		line->i++;
}

void	skip_one_or_more_char(t_parse_line *line, char c)
{
	skip_one_char(line, c);
	skip_zero_or_more_char(line, c);
}

void	parse_string(t_parse_line *line, char *buffer, int size)
{
	int		i;
	char	c;

	c = line->line[line->i];
	i = 0;
	while (c && c != ' ' && c != '\n')
	{
		if (i >= size)
		{
			printf("String too long at line %d, \
					column %d\n", line->line_nr, line->i + 1);
			error("Parse error");
		}
		buffer[i] = c;
		c = line_next(line);
		i++;
	}
	buffer[i] = 0;
}